CN201989231U - Automatic and synchronous stretch-draw control device for precast beam - Google Patents
Automatic and synchronous stretch-draw control device for precast beam Download PDFInfo
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- CN201989231U CN201989231U CN2010206946160U CN201020694616U CN201989231U CN 201989231 U CN201989231 U CN 201989231U CN 2010206946160 U CN2010206946160 U CN 2010206946160U CN 201020694616 U CN201020694616 U CN 201020694616U CN 201989231 U CN201989231 U CN 201989231U
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Abstract
An automatic and synchronous stretch-draw control device for a precast beam comprises a hydraulic system, a measurement system, a numerical control system and a wireless communication system, wherein the hydraulic system comprises two independent hydraulic power units, and each power unit comprises a control valve, a hydraulic jack, a cylinder, an oil pipe, a high-pressure oil pump, a motor, a meter, an oil tank, a filter and a liquid level displayer; the measurement system comprises a pressure sensor and a displacement sensor, the output ends of the sensors transmit signals to the wireless communication system through wireless communication; and the wireless communication system is connected with the numerical control system which comprises a pump station control box, a panel connecting port, a driver, an industrial grade computer, an external storage device and a lead, an output port of the industrial grade computer is connected with an input port of the driver, an output port of the driver is connected with an input port of the pump station control box, and the pump station control box is connected with a control valve. The automatic and synchronous stretch-draw control device is used for controlling by the hardware and software of an industrial personal computer according to the specified technological requirements, has high precision and is convenient to operate.
Description
Technical field
The utility model belongs to concrete prefabricated beam field, relates to a kind of device that is used to control synchronous tension.
Background technology
At present, the traditional precast beam two ends stretch-draw of China is by control manually, and the integral tension manufacturing can cause the compressor wire discontinuity, and sync rates is very low, and artificial departure is bigger, and prestressed loss is also bigger.Therefore, adopt traditional tensioning equipment can not satisfy now to precast beam stretch-draw synchronously and the requirement of precision.
The utility model content
The purpose of this utility model provides the automatic synchronous tension control appliance of a kind of precast beam, and solve the stretch-draw of precast beam two ends can't Synchronization Control, the big and big technical problem of loss of prestress of departure.
For achieving the above object, the utility model adopts following technical scheme: the automatic synchronous tension control appliance of a kind of precast beam comprises hydraulic system, measuring system, numerical control system and wireless telecommunication system.
Described hydraulic system is two independent hydraulically controlled pumping plants, and each pumping plant also comprises control valve, hydraulic jack, oil cylinder, oil pipe, high-pressure oil pump, motor, instrument, fuel tank, filter and liquid level display; Described oil cylinder connects high-pressure oil pump through oil pipe, and high-pressure oil pump connects fuel tank through filter, and fuel tank connects high-pressure oil pump again; Be connected with liquid level display on the described fuel tank; The power input end of described high-pressure oil pump connects the power output end of motor, is connected with instrument on the high-pressure oil pump.
Described measuring system, comprise pressure sensor and displacement transducer, control valve connects the control port of oil cylinder and hydraulic jack respectively, oil cylinder connects the signal input port of pressure sensor, hydraulic jack connects the signal input port of displacement transducer, the output of displacement transducer and pressure sensor passes the signal to wireless telecommunication system by wireless transmission, and wireless telecommunication system connects numerical control system.
Described numerical control system comprises pumping plant control cabinet, fishplate bar mouth, driver, technical grade computer, peripheral hardware memory device and lead, the output port of technical grade computer connects the driver input end mouth, the output end of driver mouth connects the input port of pumping plant control cabinet, and the pumping plant control cabinet connects control valve.
The application software of described technical grade computer system is based on the special use control software of Windows XP platform.
Described numerical control system has EtlaeFnet 100M network interface.
Compared with prior art the utlity model has following characteristics and beneficial effect: the utility model is the specialized control equipment that is applied to precast beam stretch-draw, can realize that 2 or 4 precast beams carry out synchronous tension control, the precast beam presstressed reinforcing steel is applied prestressed hydraulic jack with the synchronous at twice load application of plane symmetry mode, on the one hand, the overall process that is applied tensile load by hydraulic jack is to control by industrial computer hardware, software technological requirement in accordance with regulations, the precision height, easy and simple to handle.Wherein the dynamic pressure holding function, the liquid level defencive function that have of hydraulic system can guarantee that system works is reliable and stable, also can normally use when preheat function can be guaranteed winter.
On the other hand, the main contral parameter in the precast beam stretching process is that load and check parameter are that displacement is to gather in real time by sensor, and gives computer by wireless communication transmission, handle by computer, and by the computer Whole Process Control, the precision height, easy and simple to handle.The stretch-draw operation realizes by the relevant oil cylinder work of technical grade computer-controlled hydraulic system, whole stretch-draw control appliance can be realized the automation control of stretch-draw overall process by predefined tensioning process requirement, and technological parameters such as load, elongation are monitored in real time, the special shown payload values of adopts pressure sensor is that the shown elongation of major control value and displacement transducer is as two prosecutor formulas of checking.Computer control system is gathered, transmits, handles, shows, is write down and store load, the elongation data of real-time collection; Computer software is the special-purpose software based on WindowsXP operating system, has functions such as data record, inquiry, storage and technological parameter modification, and operation system interface close friend has extensibility.
Wireless telecommunication system of the present utility model has adopted advanced wireless communication technique, can guarantee the effective communication in the 500m, fully guarantee the promptness of digital control system collection and control, thereby guaranteed the accuracy of control, and respectively the load and the elongation of each oil cylinder are gathered and monitoring in real time, guarantee the requirement synchronous working of oil cylinder by the tension technology condition.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing.
Fig. 1 is control of the present utility model and measuring principle module map.
Fig. 2 is the hardware module figure of numerical control system of the present utility model.
The specific embodiment
Referring to shown in Figure 1, the automatic synchronous tension control appliance of a kind of precast beam is characterized in that: comprise hydraulic system, measuring system, numerical control system and wireless telecommunication system.
Described hydraulic system is two independent hydraulically controlled pumping plants, and each pumping plant also comprises control valve, hydraulic jack, oil cylinder, oil pipe, high-pressure oil pump, motor, instrument, fuel tank, filter and liquid level display; Described oil cylinder connects high-pressure oil pump through oil pipe, and high-pressure oil pump connects fuel tank through filter, and fuel tank connects high-pressure oil pump again; Be connected with liquid level display on the described fuel tank; The power input end of described high-pressure oil pump connects the power output end of motor, is connected with instrument on the high-pressure oil pump.
Described measuring system, comprise pressure sensor and displacement transducer, control valve connects the control port of oil cylinder and hydraulic jack respectively, oil cylinder connects the signal input port of pressure sensor, hydraulic jack connects the signal input port of displacement transducer, the output of displacement transducer and pressure sensor passes the signal to wireless telecommunication system by wireless transmission, and wireless telecommunication system connects numerical control system.
Referring to shown in Figure 2, the hardware module figure of numerical control system, numerical control system is used to the tensioning process requirement that realizes that precast beam is required, respectively the load and the elongation of each oil cylinder are gathered and monitoring in real time, guaranteed the requirement synchronous working of oil cylinder by the tension technology condition.Described numerical control system comprises that signal is transferred to industrial computer, the described numerical control system of control valve by control cabinet control hydraulic system comprises pumping plant control cabinet, fishplate bar mouth, driver, technical grade computer, peripheral hardware memory device and lead at last, the output port of technical grade computer connects the driver input end mouth, the output end of driver mouth connects the input port of pumping plant control cabinet, and the pumping plant control cabinet connects control valve.
The application software of described technical grade computer system is based on the special use control software of Windows XP platform.System can realize the both-end synchronous tension by manufacturing technique requirent, realize required stretch-draw, hold lotus and offloading functions, can show oil cylinder load and elongation data in real time, system has self-checking function, have to precast beam tensioning process data gather automatically, transmit, the function of processing, demonstration, record, storage and the inquiry of historical data.System is provided with automatically and manual two kinds of operator schemes, can select according to the actual needs in producing.
Described numerical control system has EtlaeFnet 100M network interface, for user's quality management informationization from now on lays the first stone.Wireless telecommunication system has adopted advanced wireless communication technique, can guarantee the effective communication in the 500m, fully guarantees the promptness of digital control system collection and control.Thereby guaranteed the accuracy of control.In the use, guarantee the correct installation of antenna, do not covered and block, in order to avoid influence wireless telecommunications.
Claims (2)
1. the automatic synchronous tension control appliance of precast beam is characterized in that: comprise hydraulic system, measuring system, numerical control system and wireless telecommunication system;
Described hydraulic system is two independent hydraulically controlled pumping plants, and each pumping plant also comprises control valve, hydraulic jack, oil cylinder, oil pipe, high-pressure oil pump, motor, instrument, fuel tank, filter and liquid level display; Described oil cylinder connects high-pressure oil pump through oil pipe, and high-pressure oil pump connects fuel tank through filter, and fuel tank connects high-pressure oil pump again; Be connected with liquid level display on the described fuel tank; The power input end of described high-pressure oil pump connects the power output end of motor, is connected with instrument on the high-pressure oil pump;
Described measuring system, comprise pressure sensor and displacement transducer, control valve connects the control port of oil cylinder and hydraulic jack respectively, oil cylinder connects the signal input port of pressure sensor, hydraulic jack connects the signal input port of displacement transducer, the output of displacement transducer and pressure sensor passes the signal to wireless telecommunication system by wireless transmission, and wireless telecommunication system connects numerical control system;
Described numerical control system comprises pumping plant control cabinet, fishplate bar mouth, driver, technical grade computer, peripheral hardware memory device and lead, the output port of technical grade computer connects the driver input end mouth, the output end of driver mouth connects the input port of pumping plant control cabinet, and the pumping plant control cabinet connects control valve.
2. the automatic synchronous tension control appliance of precast beam according to claim 1 is characterized in that: described numerical control system has EtlaeFnet 100M network interface.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206946160U CN201989231U (en) | 2010-12-31 | 2010-12-31 | Automatic and synchronous stretch-draw control device for precast beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206946160U CN201989231U (en) | 2010-12-31 | 2010-12-31 | Automatic and synchronous stretch-draw control device for precast beam |
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| Publication Number | Publication Date |
|---|---|
| CN201989231U true CN201989231U (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010206946160U Expired - Lifetime CN201989231U (en) | 2010-12-31 | 2010-12-31 | Automatic and synchronous stretch-draw control device for precast beam |
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| CN (1) | CN201989231U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126252A (en) * | 2010-12-31 | 2011-07-20 | 北京中铁房山桥梁有限公司 | Automatic synchronous extension control equipment for precast beam |
| CN103306488A (en) * | 2013-07-10 | 2013-09-18 | 耿晓梅 | Tension machine for automatically controlling prestressed reinforcement tension and retraction amount |
-
2010
- 2010-12-31 CN CN2010206946160U patent/CN201989231U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126252A (en) * | 2010-12-31 | 2011-07-20 | 北京中铁房山桥梁有限公司 | Automatic synchronous extension control equipment for precast beam |
| CN103306488A (en) * | 2013-07-10 | 2013-09-18 | 耿晓梅 | Tension machine for automatically controlling prestressed reinforcement tension and retraction amount |
| CN103306488B (en) * | 2013-07-10 | 2015-10-21 | 耿晓梅 | The stretching machine that tension of prestressed tendon amount of recovery controls automatically |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |