CN216616895U - Prestressed anchor bolt tensioner - Google Patents
Prestressed anchor bolt tensioner Download PDFInfo
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- CN216616895U CN216616895U CN202122942247.3U CN202122942247U CN216616895U CN 216616895 U CN216616895 U CN 216616895U CN 202122942247 U CN202122942247 U CN 202122942247U CN 216616895 U CN216616895 U CN 216616895U
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- pressure sensor
- tensioning
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- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 15
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- 230000000694 effects Effects 0.000 abstract description 3
- 238000013500 data storage Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 239000011435 rock Substances 0.000 description 4
- 230000035882 stress Effects 0.000 description 4
- 230000008093 supporting effect Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The embodiment of the utility model discloses a prestressed anchor bolt tensioning device, which comprises a tensioning oil pump and a tensioning jack, wherein the tensioning oil pump is connected with the tensioning jack through an oil pipe, a jack controller, a jack pressure sensor for detecting the oil pressure of the jack and a jack electronic display screen are arranged in the tensioning jack, the jack pressure sensor and the jack electronic display screen are both connected with the jack controller, and the jack controller acquires the data of the jack pressure sensor and displays the data through the jack electronic display screen; and the tensioning oil pump is provided with an oil pump controller, and the oil pump controller receives pressure data of the pressure sensor of the jack and controls the tensioning oil pump to discharge oil or return oil. The utility model realizes accurate reading through the pressure sensor and the electronic display screen, and also realizes remote monitoring and data storage. And pressure sensor sets up in the jack-draw, monitors from the pressure demand end, and control oil pump output pressure avoids influencing the problem of tensioning effect because of pipeline ageing, pressure leakage.
Description
Technical Field
The embodiment of the utility model relates to the technical field of a prestress tensioning device, in particular to a prestress anchor bolt tensioner.
Background
The prestress tensioning is to apply tension to the anchor rod, the steel strand and other members in advance, so that the prestressed tensioning member bears the tension stress, and further generates certain deformation to deal with the load of the structure, including the load of the self weight of the members, wind load, snow load, earthquake load action and the like.
The parameters of the member such as material strength, diameter, length, anchoring form, row spacing, prestress and the like determine the supporting effect of the member. The parameters of the components such as material strength, diameter, length, row spacing and the like are intuitive, convenient to quantify and easy to manage and control, and prestress is difficult to quantify and assess, so that management deficiency is easily caused. When the component is installed, higher pretightening force is applied, so that the initial slippage of the component can be eliminated, certain pre-stress is given to surrounding rocks, and the stress environment of the surrounding rocks is improved; secondly, because the supporting strength is improved, the expansion deformation of the surrounding rock is reduced, the cohesive force, the internal friction angle and the residual strength after the damage are improved, and the strength of the surrounding rock can be obviously enhanced, the main parameter exerting the active supporting function of the component is prestress, the prestress is applied to the component, and the supporting effect of the component is directly influenced.
The traditional prestress tensioner reads pressure by adopting a pressure gauge, the reading can only be estimated and read inaccurately, the pressure leakage condition makes the reading more inaccurate, the oil pump at the moment can not apply pressure accurately, and operation error can cause safety accidents. In addition, in the case of multiple tensioning devices, due to the poor precision, the synchronism of prestress tensioning, load-holding time, tension control stress and the uniformity of effective prestress cannot be effectively controlled. When two sets of existing hydraulic tensioning devices are used for prestress tensioning construction, two groups of personnel at a certain distance need to operate the two sets of hydraulic tensioning devices respectively. During tensioning, the operations of two groups of personnel are difficult to coordinate to keep synchronous, and the situation that the elongation of the high-strength anchor bolt is inconsistent easily occurs.
In addition, in the prior art, all tensioning data results are manually input and stored in the prestress tensioning process, and a constructor can modify a record table, so that if abnormal conditions occur in tensioning, the constructor can change relevant measurement data only by experience, and finally, the data submitted to a superior department are almost qualified, and when problems occur, the real reason cannot be found. In addition, in the prestress tensioning process, the control method cannot realize cylinder reversing for infinite times. Due to the problems, the existing prestress tensioning technology is not intelligent enough and not accurate enough, and the prestress intelligent tensioning technology capable of solving the problems has strong research significance and great application value.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a prestressed anchor bolt tensioner, which aims to solve the problems of poor safety and low precision in the prestressed tensioning process caused by poor precision in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
a prestressed anchor bolt tensioning device comprises a tensioning oil pump and a tensioning jack, wherein the tensioning oil pump is connected with the tensioning jack through an oil pipe, a jack controller, a jack pressure sensor for detecting the oil pressure of the jack and a jack electronic display screen are arranged in the tensioning jack, the jack pressure sensor and the jack electronic display screen are both connected with the jack controller, and the jack controller acquires the data of the jack pressure sensor and displays the data through the jack electronic display screen; and an oil pump controller is arranged on the tensioning oil pump, receives pressure data of the jack pressure sensor and controls the tensioning oil pump to discharge oil or return oil.
Further, the jack controller is connected with a first wireless transmission module or a first wired transmission module, the oil pump controller is connected with a second wireless transmission module or a second wired transmission module, and the jack controller and the oil pump controller are communicated with an upper computer.
Further, the jack controller is connected with a first switch indicator lamp, and the oil pump controller is connected with a second switch indicator lamp.
Further, the jack pressure sensor comprises a first pressure sensor and a second pressure sensor; the tensioning jack is provided with a first oil cavity and a second oil cavity for controlling the oil cavity to move, the first oil cavity and the second oil cavity are respectively connected with a tensioning oil pump through oil pipes, a first pressure sensor is arranged in the first oil cavity, a second pressure sensor is arranged in the second oil cavity, and the first pressure sensor and the second pressure sensor are both connected with a jack controller.
Further, the stretch-draw oil pump is equipped with the third oil pocket that communicates with first oil pocket and the fourth oil pocket of being connected with the second oil pocket, be equipped with third pressure sensor in the third oil pocket, be equipped with fourth pressure sensor in the fourth oil pocket, third pressure sensor all is connected the oil pump controller with fourth pressure sensor.
Further, the oil pump controller is provided with an oil pipe monitoring module.
Further, the oil pump controller is connected with the sound-light alarm module.
The embodiment of the utility model has the following advantages:
the prestressed anchor bolt tensioner of the embodiment of the utility model realizes accurate reading through the pressure sensor and the electronic display screen, and can also upload tension data through wireless transmission to realize remote monitoring and data storage. And pressure sensor sets up in the jack-draw, monitors from the pressure demand end, and control oil pump output pressure avoids influencing the problem of tensioning effect because of pipeline ageing, pressure leakage.
According to the prestressed anchor bolt tensioner disclosed by the embodiment of the utility model, the pressure sensors are arranged on the two sides of the oil pipe respectively, and the pressure of the oil inlet end and the pressure of the oil outlet end of the oil pipe are respectively collected, so that the detection on the effectiveness of the oil pipe and the joint of the oil pipe is realized, the working condition and the aging degree of the oil pipe are evaluated and monitored, the instant early warning is realized, and the safety risk in the tensioning process is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
Fig. 1 is a system configuration diagram of a prestressed anchor bolt tensioner according to embodiment 1 of the present invention;
fig. 2 is a system block diagram of a prestressed anchor bolt tensioner according to embodiment 1 of the present invention;
FIG. 3 is a system diagram of another prestressed anchor bolt tensioner according to embodiment 1 of the present invention;
fig. 4 is a system structural diagram of a prestressed anchor bolt tensioner according to embodiment 2 of the present invention;
fig. 5 is a system block diagram of a prestressed anchor bolt tensioner according to embodiment 2 of the present invention.
In the figure:
1. tensioning the oil pump; 2. tensioning a jack; 3. a jack controller; 4. a jack pressure sensor; 5. a jack electronic display screen; 6. an oil pump controller; 7. a first wireless transmission module; 8. a second wireless transmission module; 9. an upper computer; 10. a first switch indicator light; 11. a second switch indicator light; 12. a first oil chamber; 13. a second oil chamber; 14. an oil cylinder; 15. a first pressure sensor; 16. a second pressure sensor; 17. a third pressure sensor; 18. a fourth pressure sensor; 19. a first oil pipe; 20. a second oil pipe; 21. an oil pipe monitoring module; 22. and a sound and light alarm module.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
As shown in fig. 1-2, a prestressed anchor bolt tensioning device includes a tensioning oil pump 1 and a tensioning jack 2, wherein the tensioning oil pump 1 is connected to the tensioning jack 2 through an oil pipe, a jack controller 3, a jack pressure sensor 4 for detecting the oil pressure of the jack and a jack electronic display screen 5 are arranged in the tensioning jack 2, the jack pressure sensor 4 and the jack electronic display screen 5 are both connected to the jack controller 3, and the jack controller 3 acquires the data of the jack pressure sensor 4 and displays the data through the jack electronic display screen 5; and the tensioning oil pump 1 is provided with an oil pump controller 6, and the oil pump controller 6 receives pressure data of the jack pressure sensor 4 and controls oil discharge or oil return of the tensioning oil pump 1. The jack pressure sensor 4 can accurately sense the pressure output by the tensioning oil pump 1, the control is accurate, and the jack electronic display screen 5 can clearly display numerical values without estimation and reading. Oil pump controller 6 connects jack controller 3 to receive the oil pressure data that jack pressure sensor 4 detected, hold the pressure output of accurate control oil pump from the pressure demand, thereby can avoid reasons such as oil pipe inflation, ageing to cause the not accurate problem of pressure. The oil pump controller 6 and the jack controller 3 can be connected in a wired or wireless mode, and the oil pump controller 6 can be provided with an input device and a display device to form a console.
As shown in fig. 3, jack controller 3 connects first wireless transmission module 7 or first wired transmission module, oil pump controller 6 connects second wireless transmission module 8 or second wired transmission module, jack controller 3 and the equal communication connection host computer 9 of oil pump controller 6 realize the equal wireless connection host computer 9 of jack 2, stretch-draw oil pump 1 to reduce the safety risk, make operating personnel keep away from tensioning device. The upper computer 9 receives data acquired by the jack pressure sensor 4, and sends a control instruction to the oil pump controller 6 to control oil discharge or oil return of the oil pump. The jack controller 3 is connected with a first switch indicator lamp 10, and the oil pump controller 6 is connected with a second switch indicator lamp 11. The switch indicator light can display whether the tensioning oil pump 1 and the tensioning jack 2 are in working states.
Example 2
As shown in fig. 4, the jack pressure sensor 4 includes a first pressure sensor 15 and a second pressure sensor 16. First oil pocket 12 and second oil pocket 13 that jack 2 was equipped with control cylinder 14 and removed, first oil pocket 12 is located the both sides of hydro-cylinder 14 respectively with second oil pocket 13, first oil pocket 12 is connected stretch-draw oil pump 1 through oil pipe respectively with second oil pocket 13, be equipped with first pressure sensor 15 in the first oil pocket 12, be equipped with second pressure sensor 16 in the second oil pocket 13, jack controller 3 is all connected with second pressure sensor 16 to first pressure sensor 15. The first pressure sensor 15 detects the pressure condition in the first oil cylinder 14 and is used for detecting the condition of a first oil pipe 19 of the tensioning jack 2, the second pressure sensor 16 detects the pressure condition of the second oil chamber 13 and is used for detecting the condition of a second oil pipe 20 of the tensioning jack 2, if the pressure conditions collected by the first pressure sensor 15 and the second pressure sensor 16 cannot be mutually responded, the problem of pressure leakage of one or two oil lines is explained, and therefore maintenance is carried out, and the two oil lines respectively carry out pressure detection, so that the oil pump can accurately control the oil pressure.
As shown in fig. 5, the tensioning oil pump 1 is provided with a third oil chamber communicated with the first oil chamber 12 and a fourth oil chamber connected with the second oil chamber 13, a third pressure sensor 17 is arranged in the third oil chamber, a fourth pressure sensor 18 is arranged in the fourth oil chamber, and the third pressure sensor 17 and the fourth pressure sensor 18 are both connected with the oil pump controller 6. The third pressure sensor 17 and the fourth pressure sensor 18 respectively detect the oil outlet pressure at the oil pump end, the third pressure sensor 17 and the first pressure sensor 15 are respectively positioned at two sides of the first oil pipe 19, if the pressure difference between the third pressure sensor 17 and the first pressure sensor is large, the problem of pressure leakage or oil pipe aging at the first oil pipe 19 or the joint of the first oil pipe 19 is solved, and maintenance is needed; the fourth pressure sensor 18 and the second pressure sensor 16 are located on two sides of the second oil pipe 20, and if the pressure difference between the two is relatively large, the problem of pressure leakage or oil pipe aging at the second oil pipe 20 or the connection part thereof is solved, and maintenance is required.
The oil pump controller 6 is provided with an oil pipe monitoring module 21, which is used for acquiring pressure data of the first pressure sensor 15, the second pressure sensor 16, the third pressure sensor 17 and the fourth pressure sensor 18, comparing the data of the first pressure sensor 15 and the data of the third pressure sensor 17, and if the difference value is greater than a threshold value, indicating that the first oil pipe 19 has a problem; the data of the second pressure sensor 16 and the data of the fourth pressure sensor 18 are compared, if the difference is greater than the threshold value, the problem of the second oil pipe 20 is indicated.
The oil pump controller 6 is connected with the audible and visual alarm module 22, and if the oil pipe monitoring module 21 detects that the first oil pipe 19 or the second oil pipe 20 has a fault, an alarm signal is sent to the audible and visual alarm module 22 to give an audible and visual alarm prompt.
Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
Claims (7)
1. The utility model provides a prestressed anchorage tie stretch-draw ware, includes stretch-draw oil pump and stretch-draw jack, the stretch-draw oil pump passes through oil pipe connection stretch-draw jack, its characterized in that: a jack controller, a jack pressure sensor for detecting the oil pressure of the jack and a jack electronic display screen are arranged in the tensioning jack, the jack pressure sensor and the jack electronic display screen are both connected with the jack controller, and the jack controller acquires the data of the jack pressure sensor and displays the data through the jack electronic display screen;
and an oil pump controller is arranged on the tensioning oil pump, receives pressure data of the jack pressure sensor and controls the tensioning oil pump to discharge oil or return oil.
2. The prestressed anchor bolt tensioner as claimed in claim 1, wherein: the jack controller is connected with the first wireless transmission module or the first wired transmission module, the oil pump controller is connected with the second wireless transmission module or the second wired transmission module, and the jack controller and the oil pump controller are communicated with the upper computer.
3. The prestressed anchor bolt tensioner as claimed in claim 1, wherein: the jack controller is connected with a first switch indicator lamp, and the oil pump controller is connected with a second switch indicator lamp.
4. The prestressed anchor bolt tensioner as claimed in claim 1, wherein: the jack pressure sensor comprises a first pressure sensor and a second pressure sensor;
the tensioning jack is provided with a first oil cavity and a second oil cavity for controlling the oil cavity to move, the first oil cavity and the second oil cavity are respectively connected with a tensioning oil pump through oil pipes, a first pressure sensor is arranged in the first oil cavity, a second pressure sensor is arranged in the second oil cavity, and the first pressure sensor and the second pressure sensor are both connected with a jack controller.
5. The prestressed anchor bolt tensioner as claimed in claim 4, wherein: the tensioning oil pump is provided with a third oil cavity communicated with the first oil cavity and a fourth oil cavity connected with the second oil cavity, a third pressure sensor is arranged in the third oil cavity, a fourth pressure sensor is arranged in the fourth oil cavity, and the third pressure sensor and the fourth pressure sensor are both connected with an oil pump controller.
6. The prestressed anchor bolt tensioner as claimed in claim 5, wherein: the oil pump controller is provided with an oil pipe monitoring module.
7. The prestressed anchor bolt tensioner as claimed in claim 6, wherein: and the oil pump controller is connected with the audible and visual alarm module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122942247.3U CN216616895U (en) | 2021-11-25 | 2021-11-25 | Prestressed anchor bolt tensioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122942247.3U CN216616895U (en) | 2021-11-25 | 2021-11-25 | Prestressed anchor bolt tensioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216616895U true CN216616895U (en) | 2022-05-27 |
Family
ID=81699009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122942247.3U Expired - Fee Related CN216616895U (en) | 2021-11-25 | 2021-11-25 | Prestressed anchor bolt tensioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216616895U (en) |
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2021
- 2021-11-25 CN CN202122942247.3U patent/CN216616895U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220527 |