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You are here: 159Ʊ > Technical Literature > Industry Standards > Smart Tensioner for Precast Beams

预制梁智能张拉机哪卖智能张拉机价格@新闻 Title Prefabricated Beam Smart Tensioner Where to Sell Smart Tensioner Price @ 新闻

发布时间:2020/1/12 阅读次数:18次>>进入该公司展台 Provided by: Anhui Lianta Shengtong Machinery Manufacturing Co., Ltd. Release time: 1/12/2020 Read times: 18 times >> Enter the company's booth

Prefabricated beam tensioner
Application areas : The basic requirements for the prestressed members on the same fracture and the prestressed tendons on the upper and lower sides are symmetrical and synchronized, and they are well balanced. The unfavorable situation of unilateral tension or local concentrated tension cannot occur, but they should be on the same section. Reasonably arrange multiple jacks for simultaneous tensioning, which puts forward high requirements for symmetrical and synchronous control of multiple jacks. At the current prestressed cable tensioning construction site, the control of multiple simultaneous tensioning often depends on the backward means of oil meter reading and oral shouting communication.It is difficult to accurately achieve the symmetrical synchronization of the multiple tensioning, which causes the members to be in the same cross-section. The prestress or cable force is not equal on the left and right, and the member may undergo adverse deformation such as lateral deflection and torsion. Problems existing in the traditional tensioning construction process: 1. The hardware system is basically complete. The materials, equipment, and equipment required for the traditional tensioning construction have constituted a relatively complete system, and corresponding standards and quality inspection specifications are basically available. 2. The calculation theory and analysis methods need to be deepened. The core theoretical foundation of prestressing technology has been established, but the prestressing loss, especially the pipeline friction loss of extra-long prestressing tendons, the prestressing loss caused by concrete creep, etc. The calculation needs to be further studied.
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What are the shortcomings of traditional prestressed tension construction? Traditional prestressed construction mainly relies on manual operation of the tension oil pump. For example, in our common prefabricated field beam and slab tensioning construction operation, two workers operate two oil pumps at both ends, relying on the "password" and the experience of the operator to achieve synchronous tensioning at both ends. The operator reads the indication of the oil pressure gauge to control the tensile force, and measures the elongation value with a ruler during the pause process when the graded control point of the tensile force is reached. Such a manual operation has the phenomenon of poor synchronization at both ends, large tension value errors, and large measurement value errors. And the tension quality is greatly affected by the subjective factors of the operator's technical level and sense of responsibility. The accuracy and authenticity of the filled-in construction technical data are also affected by human factors. To sum up, the traditional tensioning construction operation methods have large tension control errors, large measurement errors, unrecoverable retraction values, low synchronization rates at both ends, dual control of tension and tension, and lack of reliable process control methods. And effective testing and evaluation methods.
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Intelligent tensioning machine for prefabricated beams where to sell the price of intelligent tensioning machine @ News Intelligent tensioning equipment Before tensioning, the following preparations must be made: (1) the anchorage is installed correctly, and for the post-tensioning members, the concrete must reach the required strength. (2) The pre-stressed tendons and the installation of the pre-stressed tendons before tensioning are inspected in accordance with the relevant provisions of the current bridge and culvert construction technical specifications (3). The appearance and dimensions shall meet the requirements of quality standards. The key to control the tensioning process is the control of the four valves of the oil pump and the combination of the valves to make the jacks perform the tensioning work procedure 23-20. Two stepper motors are installed on the left and right throttle valves, and two DC motors are installed on the two unloading valves. The control of the valve during the tensioning process is directly converted to the control of the four motors. The entire tensioning process of the oil pump can be divided into four states: initialization state, loading state, holding state, unloading and returning oil state. Proposal of digitally controlled intelligent tensioning equipment technologyWith the widespread application of prestressed structures in bridge engineering, traditional prestressed tensioning technology, that is, the use of oil pump jack intelligent tensioning equipment, manual control of oil pump valves, and manual reading of hydraulic meter values The method of controlling the tensile force and the manual reading of the prestressed tendon elongation value with a ruler exposes more and more problems during the construction process. (1) During the tensioning process, the method of manually controlling the oil pump valve to control the tensile force is The sensitivity of the hand is limited, and it is gradually unable to meet the requirements of the high accuracy of the tension of the bridge structure.
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Application case : The working principle of the intelligent tensioning system: The pre-stressed intelligent tensioning system uses pre-stress as the control index and the elongation error as the calibration index. The working pressure and steel strand of each tensioning device (jack) are collected by sensing. Elongation (including retraction) and other data, and real-time transmission of the data to the computer for analysis and judgment, while the tensioning equipment (pump station) receives system instructions, real-time variable-frequency motor operating parameters, so as to achieve high-precision real-time regulation of the oil pump motor Speed to control the tension and loading speed. The system also sends instructions from the computer according to a preset program to control each mechanical action of each device synchronously to complete the entire tensioning process automatically.
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There is no problem in terms of quality, and it is also excellent in terms of service. There are also many repeat customers. The company mainly produces prestressed anchors, tensioning equipment, grouting and grouting equipment, intelligent tensioning, intelligent large-cycle grouting and intelligence. Six series of bridge maintenance equipment. The equipment is relatively complete and can meet the requirements of various constructions. The above is the related knowledge of Hefei tensioning equipment manufacturers recommended by Xiaobian for you. If you want to purchase prestressing machinery or tensioning equipment, you can find Anhui Lianta Shengtong Prestressing Co., Ltd., if there is anything else If you have any questions, please click the manual service on the right or dial directly, and we will explain what you want to know. The city of Hefei is back to the ancient feeling as soon as it is heard, but due to economic development, Hefei now has the appearance of a modern city. The construction of houses or the unblocking of traffic require very large projects, so construction is underway. The requirements for materials and technology are very critical. Check the connection points between the smart tensioner and the jack, including oil pipes, data cables, etc. Each interface must be intact before tensioning the construction; check the tool clips to ensure that the installation is in place. (4) During the tensioning process, the speed of the intelligent tensioner to enter and return to the oil, the pointer of the pressure gauge is raised and lowered, and the readings of each sensor should be stable, uniform. Check the safety valve frequently to make sure it is sensitive and reliable. (5) During tensioning construction, ensure that the tensioning equipment is not exposed to the sun and rain; in summer, the instrument should be ventilated. (6) When tensioning construction, ensure that the console and the tensioning equipment maintain a straight visible distance, and the maximum controllable distance is 200m. (7) During the tensioning construction, each intelligent tensioning instrument should be assigned to be on duty. If an abnormality is found, immediately press the "emergency stop" button and report to the tensioning operator. After the problem is eliminated, the tensioning construction can be continued; tensioning operation During the tensioning process, the staff member must not leave the console. If they find any abnormalities, they should click the software interface “pause tensioning”, press the “emergency stop” button of the instrument, disconnect the power of the tensioning instrument, and investigate the cause.
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Shelf life : The selection and requirements of intelligent tensioning equipment: 1. The additional tonnage of the tensioning jack should be 1.5 times the tension and not less than 1.2 times. Proofreading is necessary before use. The proofreading coefficient must not be greater than 1.05. The proofreading period is one month and does not exceed 200 tensioning operations. The stroke of the tensioning jack should meet the requirements of the tensioning process; 2. The tensioning jack, pressure gauge, and oil pump should be matched for proofreading and matching use. When abnormalities appear in the use of *, proofreading from scratch. 3. The extra pressure of the oil pump should be 1.4 times the corresponding pressure value of the tensile force. The fuel tank capacity should be 1.5 times the total oil delivery capacity of the tensioning jack; 4. The pressure gauge should be vibration-proof, and most should be 1.5 to 2.0 times the corresponding pressure value of the tensioning force. The accuracy should not be less than 1.0. It is necessary to be verified by the metrology department before the first use. It is necessary to check periodically. The test is valid for one week. When using level 0.4, the validity of the test can be one month.

After the signal is processed by the main pump, the control signal is transmitted to the auxiliary pump to control the oil supply, interruption and oil return of the jack. During the tensioning construction, the tension parameters of the main pump site are wirelessly transmitted to the site monitoring computer. The control module of the main pump of the intelligent tensioning equipment can store about 40,000 tensioning parameters to prevent the tensioning parameters from being lost due to transmission problems. The intelligent tensioning system can accurately control the value of the prestressing force applied by the jack, and control the fault planning to 1%, reducing the risk of bridge cracking and deflection caused by the lack of or surpassing the prestressing force, which is conducive to ensuring the safety of the structure. Forward durability, extended service life, reduced protection and repair costs. Advantages of intelligent tensioning equipment: The main pump and the auxiliary pump of the intelligent tensioning equipment use a wireless connection interval of no more than 200M. The auxiliary pump transmits displacement and pressure signals to the main pump. After the signal is processed by the main pump, the control signal is transmitted to the auxiliary pump to control the oil supply, interruption and oil return of the jack. During the tensioning construction, the tension parameters of the main pump site are wirelessly transmitted to the site monitoring computer. Note for intelligent tensioning system: when the oil level is too low, the pump plane bearing oil level must not work under pressure for a long time. Using high-quality mineral oil, it is recommended to use 32 # anti-wear hydraulic oil in winter and 46 # anti-wear hydraulic oil in summer. The fluid must be kept clean and replaced regularly. Before installing the tubing, the inner wire of the tubing end must be kept clean and equipped with a copper pad. The oil ports of the jack should be kept clean. When the oil pipe is not connected, the oil nozzle should be equipped with a dust cap. During transportation, care should be taken to prevent the oil nozzle from being hurt. Before the jack is used, it must be run several times with no load to remove the accumulated air in the cylinder. The jack is loaded, unloaded must be smooth to avoid impact, and it must be returned to its original position after use. Over-stroke is strictly forbidden when the jack is used. It is not allowed to pressurize the two-way oil supply during no-load. It is recommended that the return valve of the oil pump be adjusted to 10MPa, otherwise the jack may be damaged easily.

The above is the knowledge and tips on how to control the prestressed intelligent tensioning by Xiaobian. Learning the above control knowledge is very helpful for controlling the pretensioned intelligent tensioning. This is also a novice to operate the intelligent tensioning equipment. What you need to pay attention to. If you have any questions, please click the manual service on the right, we will have a professional to answer your questions. As the most common type of construction equipment in construction, smart tensioning equipment is highly valued both in terms of use and procurement. Generally, when purchasing smart tensioning equipment, the quality of the equipment, the reputation of the manufacturer and the price of the product are considered Today, I will introduce to you some knowledge about the price of prestressed tensioning equipment in Hefei. Hefei is now a very famous city of prestressed industrial products in China. The engineering construction equipment here is very complete. Prestressed tensioning equipment has also become the most exported product here. Many people choose the most when they choose here. The first thing to do is fancy the competition here. This brand is a prestressed manufacturer from Anhui-Lianta Shengtong. They have more than 20 years of production experience, so they have a reputation in credibility, followed by quality, and have triple domestic certification, so there are many in China. Customers make people feel very reliable. Anhui Lianta Shengtong Company mainly produces six series of products: prestressed anchors, tensioning equipment, grouting and grouting equipment, intelligent tensioning, intelligent large-cycle grouting and intelligent bridge maintenance equipment. Among them, the design of the tensioning equipment has its own original creativity, one-sided teaching and one-sided control on the double-sided screen, so that novices can get started quickly. Resolved within, also retained a lot of people's hearts. In many cases, bridge prestressing intelligent tensioning equipment is used in the construction of bridges. This type of equipment can bring great convenience to the construction of bridges. Since this type of equipment is relatively expensive, it is still necessary to choose certain equipment. Of expertise.

I have introduced here about the use of smart tensioning equipment. Here are some good smart tensioning equipment manufacturers for you. Their smart tensioning equipment is a dual-screen display for a device suitable for construction sites. (The external screen is a teaching screen, and the internal screen is an operating screen with an early warning.) Even people who are not too tall can accept it. It is very friendly to students. When tensioning, there should be obvious signs on the site, and personnel unrelated to the work are strictly prohibited from entering. It is strictly forbidden to stand behind the jack when tensioning or withdrawing the anchor, in order to prevent the prestressed steel bars from being disconnected or the anchors and clips from popping out to hurt people. I ’m here to introduce you about the use of smart tensioning equipment. If you want to learn more about smart tensioning equipment, you can use the manual service on the right and contact us directly. We can also help you understand some of the smart tensioning equipment. Pull the equipment or go directly to the construction site to help you install it. The following editors will introduce you to bridge prestressed intelligent tensioning equipment manufacturers, and solve some unnecessary troubles for you. Due to the domestic economic development, the extension of the route has begun to develop. Nowadays, the construction team is also getting busier. In many bridge construction and highway construction, inverted mechanized equipment will be used, which not only saves time and effort, but also Precise and reassuring. One of them is the bridge prestressed intelligent tensioning device, which helps a lot when prestressing the anchor. After trying the benefits of bridge prestressing tensioning equipment, many construction teams have the intention to purchase tensioning equipment, but because of the rigorous construction needs, there are still many concerns. If you want a good bridge prestressing intelligent tensioning equipment, Need to get a good prestressing manufacturer, today I will recommend a better bridge prestressing intelligent tensioning equipment manufacturer, I hope to help you. The editor of the bridge prestressed intelligent tensioning equipment recommended by Xiaobian is located in Hefei, one of the domestic manufacturers of prestressed equipment.

Keywords: Smart Tensioner Price

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