CN205394821U - Automatic straining means of prestressing force - Google Patents
Automatic straining means of prestressing force Download PDFInfo
- Publication number
- CN205394821U CN205394821U CN201620185814.1U CN201620185814U CN205394821U CN 205394821 U CN205394821 U CN 205394821U CN 201620185814 U CN201620185814 U CN 201620185814U CN 205394821 U CN205394821 U CN 205394821U
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- jack
- main pump
- roof beam
- prestressing force
- reinforcing bar
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Abstract
The utility model relates to a building engineering equipment technical field, concretely relates to automatic straining means of prestressing force. The utility model provides a pair of automatic straining means of prestressing force, the roof beam body of reinforcing bar in being equipped with the roof beam, the reinforcing bar is including the outer reinforcing bar of the roof beam that sets up the external portion of roof beam in the roof beam, the outer reinforcing bar of roof beam is connected with the jack that sets up at roof beam body both ends respectively, be equipped with displacement sensor on every jack, the jack of the external one end of roof beam is connected with the main pump through displacement line and oil pipe, the jack of the roof beam body other end is connected with the auxiliary pump through displacement line and oil pipe, be equipped with main pump control plate making and the plate making of vice pump control on main pump and the auxiliary pump, the radio signal transmission is carried out with the plate making of vice pump control with monitor computer to main pump control plate making. The utility model discloses simple structure, convenient operation, the control of tension precision reaches 1%, and the displacement sensor that the extension value was measured on very heavy top passes through pin connection, the good reliability, it is the same with former manually operation that the workman operates the jack, reduces the extension value and measure recording working, has improved work efficiency.
Description
Technical field
This utility model relates to building engineering equipment technical field, is specifically related to a kind of prestressing force automatic Tensioning equipment.
Background technology
In prior art, the employing of current China major part cast-in-situ box girder is traditional manual operation, adopts oil pump, jack, and hand fit operates tensioning equipment, it is difficult to ensure that prestress wire realizes synchronous tension, and tension data exists error in the process of measuring, very heavy in stretching process hold lotus process, it is impossible to ensure, the prestress wire that length is longer, in secondary falls top, there is steel strand wires retraction equal error, tension data is brought misleading, it is difficult to ensure stretch-draw quality.
Chinese patent CN104329309A discloses a kind of prestressing force pull system, including the tensioning pump station controlled by PLC, described tensioning pump station is connected with jack, described tensioning pump station includes the oil pump being connected to motor, it is characterised in that: the oil pipe between oil-out and the oil-in of described jack of described oil pump is connected with step-type flow control valve, reversal valve and pressure-relief valve in turn；The oil-out place of described pressure-relief valve is provided with and the described PLC pressure transducer being connected.This patent is it cannot be guaranteed that prestress wire realizes synchronous tension, very heavy in stretching process hold lotus process, the prestress wire that length is longer cannot be ensured, in secondary falls top, there is steel strand wires retraction equal error, tension data is brought and misleads the problem being difficult to ensure that stretch-draw quality.
Utility model content
In order to overcome defect of the prior art, the prestressing force automatic Tensioning equipment that this utility model provides, carries out automatic numerical control tensioning equipment by monitoring calculation machine, eliminates anthropic factor and cause that stretch-draw quality reduces, by the automation mechanized operation of overall process, meeting and very heavy in stretching process hold the lotus time, after oil pressure reduces, system can carry out ftercompction automatically, ensure that stretching force meets requirement, ensure that construction stretching quality, accelerate construction speed, save duration and cost.
This utility model is achieved by the following technical solution: a kind of prestressing force automatic Tensioning equipment, including the beam body being provided with in beam reinforcing bar, in described beam, reinforcing bar includes the outer reinforcing bar of beam arranged outside beam body, the outer reinforcing bar of described beam is connected with the jack being arranged on beam body two ends respectively, each described jack is provided with displacement transducer, the jack of the outer one end of described beam body is connected with main pump by displacement line and oil pipe, the jack of the described beam body other end is connected with auxiliary pump by displacement line and oil pipe, described main pump is provided with main pump panel, described auxiliary pump is provided with auxiliary pump panel, described main pump panel and auxiliary pump panel carry out transmission of wireless signals with monitoring calculation machine.
Further, described beam body two ends arrange jack be two sets and tonnage equal.
Further, described main pump and auxiliary pump are actuated for stretch-draw simultaneously.
Further, each jack tension of described main pump and auxiliary pump, to builder's tonnage, stops stretch-draw sustained load immediately.
Further, described monitoring calculation machine is provided with one-key start and alarm device.
Further, described monitoring calculation machine includes monitoring module, tension data memory module, Bit andits control module, main pump and auxiliary pump working control module, alarm module and data delivery and reception module.
Compared with prior art, superior effect is in that: this utility model simple in construction, easy to operate, the prestress tensioning equipment that this utility model provides is integrated with computer automatic control system technology, Radio Transmission Technology and data monitoring analysis technology, the control accuracy of stretch-draw can reach 1% requirement, and very heavy top has the displacement transducer measuring stretch value to need lead-in wire, good reliability, operative's jack is identical with former manual operation, decreases measurement of elongation and writing task amount.
Accompanying drawing explanation
Fig. 1 is the structural representation of prestressing force automatic Tensioning equipment described in the utility model.
Accompanying drawing labelling is as follows:
The outer reinforcing bar of 1-beam, 2-jack, reinforcing bar in 3-beam, 4-beam body, 51-main pump panel, 52-auxiliary pump panel, 61-main pump, 62-auxiliary pump, 7-roller, 8-monitoring calculation machine, 9-displacement line, 10-oil pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model detailed description of the invention is described in further detail.
As shown in Figure 1, illustrate a kind of prestressing force automatic Tensioning equipment that this utility model provides, including the beam body 4 being provided with in beam reinforcing bar 3, in described beam, reinforcing bar 3 includes the outer reinforcing bar 1 of beam arranged outside beam body 4, the outer reinforcing bar 1 of described beam is connected with the jack 2 being arranged on beam body 4 two ends respectively, each described jack 2 is provided with displacement transducer, the jack 2 of described beam body 4 one end is connected with main pump 61 by displacement line 9 and oil pipe 10, the jack 2 of described beam body 4 other end is connected with auxiliary pump 62 by displacement line 9 and oil pipe 10, described main pump 61 is provided with main pump panel 51, described auxiliary pump 62 is provided with auxiliary pump panel 52, described main pump panel 51 and auxiliary pump panel 52 carry out transmission of wireless signals with monitoring calculation machine 8.In the present embodiment, described beam body 4 two ends arrange jack 2 be two sets and tonnage equal, described main pump 61 and auxiliary pump 62 are actuated for stretch-draw simultaneously, and each jack tension of described main pump 61 and auxiliary pump 62 setting, to builder's tonnage, stops stretch-draw sustained load immediately.Preferably, the bottom of described main pump 61 and auxiliary pump 62 is provided with roller 7, and described roller 7 is four and is separately positioned on inside the right angle of rectangular base plate of main pump 61 and auxiliary pump 62.Described monitoring calculation machine 8 is provided with one-key start and alarm device, and described monitoring calculation machine 8 includes monitoring module, tension data memory module, Bit andits control module, main pump and auxiliary pump working control module, alarm module and data delivery and reception module.
A kind of prestressing force automatic Tensioning equipment that this utility model provides, in stretching process, from the corresponding stretch-draw force value of 4 jack of motion tracking collection 2 and stretch value and then realize balanced synchronization stretch-draw, so that the stretch-draw force value of 4 jack 2 and stretch value simultaneous equation increase.In beam, the stretch value of the prestressed strand of reinforcing bar 3 is as the auxiliary parameter of reference and tensioning process, and when stretch value variable quantity is big, when namely tensioning speed is too fast, the oil pump automatically controlled regulates the tensioning speed of jack 2.When stretch-draw force value and stretch value corresponding data occur abnormal, alarm carries out manual intervention, is further continued for automatic Tensioning after process.Prestressing force automatic Tensioning equipment realizes two ends and is synchronously performed, monitoring calculation machine 8 is adopted to control two main pumps 61 and auxiliary pump 62, confirm online normal after, realize 4 jack 2 synchronous tensions, or adopt main pump 61 to control auxiliary pump 62, online normal after, it is achieved control four jack 2 at main pump 61 and be synchronously performed stretch-draw.Realize automatically accurately measuring shift value, measured actual displacement by displacement transducer (not shown) when described tensioning equipment can terminate holding the lotus time, then the design starting next stage carries out stress tension.Realizing being precisely controlled of tension stress by monitoring calculation machine 8, the numerical value that tensioning equipment input is concrete, tension stress can reach design load, can hold lotus by autostop when stretch-draw is to design stress.There is stress disappearance to be automatically replenished in lotus holding, can shut down again in numerical range, be continued until that the time of setting terminates, carry out next stage stress tension.
Control tensioning equipment by monitoring calculation machine 8 intelligence, it is achieved precisely record data, described tensioning equipment can record data after completing stretch-draw automatically, is stored in equipment, is transferred on computer by data, and initial data can not be changed.Described prestressing force automatic Tensioning equipment is set to stress and displacement with dual controls, during stretch-draw, as needed extraordinary stretch-draw, after tension stress reaches the tension stress of design, system can stop stretch-draw under sustained load, and alarm is the need of carrying out extraordinary stretch-draw, as displacement reaches, when stress is not reaching to design load, meeting alarm, if stretch-draw need to be carried out again.Whole stretching process achieves Automated condtrol, it is to avoid extraordinary stretch-draw and design stretch value be not in the scope that specification allows.In the present embodiment, a pump is adopted to control two jack 2, two ducts of simultaneous tension, 4 jack 2 work simultaneously and 2 ducts are carried out synchronous tension, also being able to adopt a pump one jacking row stretch-draw operation, main pump 61 and auxiliary pump 62 adopt wireless connections to control auxiliary pump 62, connect distance and can reach 200m, connecting post-stretching operation, displacement, pressure signal are transferred to main pump 61 by auxiliary pump 62.Main pump 61, by, after signal processing, control signal being transferred to auxiliary pump 62, controls the fuel feeding of jack 2, stopping, oil return.During stretching construction, main pump 61 is instant is wirelessly transmitted to site monitoring computer 8 by scene stretch-draw parameter, and the control module of main pump 61 stores stretch-draw parameter simultaneously.
This utility model is not limited to above-mentioned embodiment, and when without departing substantially from flesh and blood of the present utility model, any deformation that it may occur to persons skilled in the art that, improvement, replacement each fall within protection domain of the present utility model.
Claims (6)
- null1. a prestressing force automatic Tensioning equipment，It is characterized in that，The beam body (4) of described tensioning equipment includes being provided with in beam reinforcing bar (3)，In described beam, reinforcing bar (3) includes arranging the outer reinforcing bar (1) of the outside beam of beam body (4)，The outer reinforcing bar (1) of described beam is connected with the jack (2) being arranged on beam body (4) two ends respectively，Each described jack (2) is provided with displacement transducer，The jack (2) of described beam body (4) outer one end is connected with main pump (61) by displacement line (9) and oil pipe (10)，The jack (2) of described beam body (4) other end is connected with auxiliary pump (62) by displacement line (9) and oil pipe (10)，Described main pump (61) is provided with main pump panel (51)，Described auxiliary pump (62) is provided with auxiliary pump panel (52)，Described main pump panel (51) and auxiliary pump panel (52) carry out transmission of wireless signals with monitoring calculation machine (8).
- 2. prestressing force automatic Tensioning equipment according to claim 1, it is characterised in that the jack (2) that described beam body (4) two ends are arranged be two sets and tonnage equal.
- 3. prestressing force automatic Tensioning equipment according to claim 1, it is characterised in that the bottom of described main pump (61) and auxiliary pump (62) is provided with roller (7).
- 4. prestressing force automatic Tensioning equipment according to claim 3, it is characterised in that described roller (7) is four and is separately positioned on inside the right angle of rectangular base plate of main pump (61) and auxiliary pump (62).
- 5. prestressing force automatic Tensioning equipment according to claim 1, it is characterised in that described monitoring calculation machine (8) is provided with one-key start and alarm device.
- 6. prestressing force automatic Tensioning equipment according to claim 1, it is characterized in that, described monitoring calculation machine (8) includes monitoring module, tension data memory module, Bit andits control module, main pump and auxiliary pump working control module, alarm module and data delivery and reception module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620185814.1U CN205394821U (en) | 2016-03-10 | 2016-03-10 | Automatic straining means of prestressing force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620185814.1U CN205394821U (en) | 2016-03-10 | 2016-03-10 | Automatic straining means of prestressing force |
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| Publication Number | Publication Date |
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| CN205394821U true CN205394821U (en) | 2016-07-27 |
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| CN201620185814.1U Active CN205394821U (en) | 2016-03-10 | 2016-03-10 | Automatic straining means of prestressing force |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000893A (en) * | 2019-03-08 | 2019-07-12 | 深汕特别合作区盛腾科技工业园有限公司 | A kind of prestressing force double-T beam nomadic process units and method |
| CN111140019A (en) * | 2020-01-15 | 2020-05-12 | 柳州市桥厦工程有限公司 | Intelligent control's suspension tensioning equipment |
| CN111472552A (en) * | 2020-04-03 | 2020-07-31 | 上海建工集团股份有限公司 | Interaction device and method of numerical control tensioning equipment |
| CN112127636A (en) * | 2020-09-22 | 2020-12-25 | 柳州市广路预应力智能设备制造有限公司 | Intelligent tensioning Internet of things remote system |
| CN113268094A (en) * | 2021-05-18 | 2021-08-17 | 中铁北京工程局集团有限公司 | Bridge prestress tension construction monitoring cloud management device and method |
-
2016
- 2016-03-10 CN CN201620185814.1U patent/CN205394821U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000893A (en) * | 2019-03-08 | 2019-07-12 | 深汕特别合作区盛腾科技工业园有限公司 | A kind of prestressing force double-T beam nomadic process units and method |
| CN111140019A (en) * | 2020-01-15 | 2020-05-12 | 柳州市桥厦工程有限公司 | Intelligent control's suspension tensioning equipment |
| CN111472552A (en) * | 2020-04-03 | 2020-07-31 | 上海建工集团股份有限公司 | Interaction device and method of numerical control tensioning equipment |
| CN112127636A (en) * | 2020-09-22 | 2020-12-25 | 柳州市广路预应力智能设备制造有限公司 | Intelligent tensioning Internet of things remote system |
| CN113268094A (en) * | 2021-05-18 | 2021-08-17 | 中铁北京工程局集团有限公司 | Bridge prestress tension construction monitoring cloud management device and method |
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