CN214363507U - Anchor rod tension real-time monitoring and automatic compensation system and anchor rod supporting system - Google Patents
Anchor rod tension real-time monitoring and automatic compensation system and anchor rod supporting system Download PDFInfo
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- CN214363507U CN214363507U CN202023245017.3U CN202023245017U CN214363507U CN 214363507 U CN214363507 U CN 214363507U CN 202023245017 U CN202023245017 U CN 202023245017U CN 214363507 U CN214363507 U CN 214363507U
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Abstract
The application provides an anchor rod pulling force real-time supervision and automatic compensation system and anchor bolt support system includes: the device comprises a split type bearing plate, a lifting device, a pressure sensor and a control system; the split type bearing plate comprises an upper bearing plate and a lower bearing plate, wherein corresponding preformed holes are formed in the upper bearing plate and the lower bearing plate and are used for penetrating through the anchor rod, so that the head end of the anchor rod is connected with the upper bearing plate; the lifting device is positioned between the upper bearing plate and the lower bearing plate and is used for controlling the upper bearing plate to be far away from or close to the lower bearing plate; the pressure sensor is used for monitoring the tension change of the anchor rod; the control system is connected with the lifting device and the pressure sensor. The tension compensation device can be flexibly configured according to the tension of the anchor rod, the tension change of the anchor rod can be monitored in real time in the process of excavation and use of a foundation pit, and the tension can be automatically compensated according to the monitored numerical value.
Description
Technical Field
The application belongs to the technical field of anchor bolt support, concretely relates to anchor bolt pulling force real-time supervision and automatic compensation system and anchor bolt support system.
Background
The prestressed anchor rod supporting technology is an active reinforcing means, has the advantages of low cost, good supporting effect, simple and convenient operation, flexible use, small occupied construction clearance and the like, and is widely applied to the field of foundation pit engineering. In the field of foundation pit engineering, the prestressed anchor rod supporting technology mainly changes the stress state of a certain rock mass in surrounding rocks from one-way (or two-way) compression into three-way compression through the axial acting force of an anchor rod, so that the annular compressive strength of the surrounding rocks is improved, a compression belt can bear the weight of the surrounding rocks and certain external load, and the deformation of the surrounding rocks is effectively controlled.
However, due to the rock-soil mass, the anchor rod material, the construction process and other reasons, the tension loss of the prestressed anchor rod can be caused, and the safety of the foundation pit is threatened. Therefore, foundation pit reinforcement is needed in the using process, the existing foundation pit reinforcement measures are usually pile soil back pressure or anchor rod repairing, but the foundation pit reinforcement measures of pile soil back pressure or anchor rod repairing have the defects of high manufacturing cost and long construction period.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of high manufacturing cost and long construction period of foundation pit reinforcing measures for piling soil and back pressure or repairing an anchor rod in the prior art, the application provides an anchor rod tension real-time monitoring and automatic compensation system and an anchor rod supporting system.
In a first aspect, the present application provides an anchor rod tension real-time monitoring and automatic compensation system, including: the device comprises a split type bearing plate, a lifting device, a pressure sensor and a control system; the split type bearing plate comprises an upper bearing plate and a lower bearing plate, wherein corresponding preformed holes are formed in the upper bearing plate and the lower bearing plate and are used for penetrating through the anchor rod, and the head end of the anchor rod is connected with the upper bearing plate; the lifting device is positioned between the upper bearing plate and the lower bearing plate and is used for controlling the upper bearing plate to be far away from or close to the lower bearing plate; the pressure sensor is used for monitoring the tension change of the anchor rod; and the control system is connected with the lifting device and the pressure sensor.
Further, the lifting device comprises a top supporting plate, a telescopic rod and a driving device; the top end of the top supporting plate is connected with the upper bearing plate, and the bottom end of the top supporting plate is connected with the top end of the telescopic rod; the bottom end of the telescopic rod is connected with the driving device; the driving device is connected with the control system.
Furthermore, the lifting device is a hydraulic lifting device, the driving device comprises a hydraulic oil pump and a hydraulic oil cylinder, the hydraulic oil pump is connected with the hydraulic oil cylinder through an oil pipe, and the bottom end of the telescopic rod is located in the cavity of the hydraulic oil cylinder.
Further, the control system comprises at least one controller, wherein the lifting device and the pressure sensor corresponding to each anchor rod in the anchor rod group are connected with the same controller, the anchor rod group comprises at least two anchor rods, and the tension value of each anchor rod in the anchor rod group is the same.
Further, the same controller is used for controlling 4-5 anchor rods with the same tension value.
In a second aspect, the application further provides an anchor rod supporting system which comprises a plurality of slope protection piles, wherein an anchor hole is formed between every two adjacent slope protection piles, an anchor rod is correspondingly arranged in each anchor hole, and a steel waist beam is arranged between the anchor rods; the tail end of each anchor rod is poured into a corresponding anchor hole through cement paste, the head end of each anchor rod penetrates through corresponding reserved holes in the upper bearing plate and the lower bearing plate, and the head end of each anchor rod is connected with the upper bearing plate; a lifting device is arranged between the upper bearing plate and the lower bearing plate, the top end of the lifting device is connected with the upper bearing plate, the bottom end of the lifting device is connected with the lower bearing plate, and the lifting device supports the upper bearing plate and the lower bearing plate so that the anchor rod meets a target tension value; the anchor rod is provided with a pressure sensor, and the pressure sensor is used for monitoring the tension change of the anchor rod; and the lifting device and the pressure sensor are connected with the control system.
Further, the lifting device comprises a top supporting plate, a telescopic rod and a driving device; the top end of the top supporting plate is connected with the upper bearing plate, and the bottom end of the top supporting plate is connected with the top end of the telescopic rod; the bottom end of the telescopic rod is connected with the driving device; the driving device is connected with the control system.
Furthermore, the lifting device is a hydraulic lifting device, the driving device comprises a hydraulic oil pump and a hydraulic oil cylinder, the hydraulic oil pump is connected with the hydraulic oil cylinder through an oil pipe, and the bottom end of the telescopic rod is located in the cavity of the hydraulic oil cylinder.
Further, the control system comprises at least one controller, wherein the lifting device and the pressure sensor corresponding to each anchor rod in the anchor rod group are connected with the same controller, the anchor rod group comprises at least two anchor rods, and the tension value of each anchor rod in the anchor rod group is the same.
Further, the same controller is used for controlling 4-5 anchor rods with the same tension value.
The application provides a pair of stock pulling force real-time supervision and automatic compensation system and anchor bolt supporting system can dispose according to the pulling force size of stock is nimble, and the tensile change of real-time supervision stock in excavation of foundation ditch and the use to carry out tensile automatic compensation according to the numerical value of monitoring. The anchor rope and anchor device can be conveniently removed without cutting off the anchor rope and anchor device by unloading the tension after the foundation pit is used, and the anchor rod tension real-time monitoring and automatic compensation system can be recycled for many times.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Figure 1 is a schematic view of a prior art bolting system;
FIG. 2 is an enlarged partial view of the head end of the anchor rod of FIG. 1;
fig. 3 is a schematic structural diagram of a system for monitoring tension of an anchor rod in real time and automatically compensating the tension of the anchor rod according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a control system of a real-time anchor rod tension monitoring and automatic compensation system according to an embodiment of the present disclosure;
fig. 5 is a schematic structural view of a bolting system according to an embodiment of the present application.
Description of the reference numerals
01-I-steel, 02-anchor head, 03-angle plate, 04-bearing plate;
1-split type bearing plate, 11-upper bearing plate, 12-lower bearing plate, 13-preformed hole, 2-lifting device, 21-top supporting plate, 22-telescopic rod, 23-driving device, 231-hydraulic oil pump, 232-hydraulic oil cylinder, 233-oil pipe, 3-pressure sensor, 4-control system, 5-anchor rod, 6-slope protection pile, 7-anchor hole and 8-steel waist beam.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the anchor bolt support system among the prior art, the tail end of stock 5 is fixed in anchor eye 7, and the head end of stock 5 is located outside anchor eye 7, as shown in fig. 1 and fig. 2, the head end of stock 5 passes I-steel 01 and guarantees that stock 5 reaches predetermined pulling force through the cooperation of anchor head 02 and bearing plate 04, wherein, still is connected with set-square 03 between I-steel 01 and slope protection stake 6. However, due to the rock-soil mass, the anchor rod material, the construction process and other reasons, the tension loss of the prestressed anchor rod is caused, and the head end of the anchor rod 5 in the prior art is fixed by the non-adjustable bearing plate 04 and the i-steel 01, so that when the foundation pit needs to be reinforced, only the mode of piling up the earth and back pressing or repairing the anchor rod can be adopted, and the foundation pit reinforcing measures of piling up the earth and back pressing or repairing the anchor rod have the defects of high manufacturing cost and long construction period.
In order to solve above-mentioned technical problem in the prior art, this application embodiment provides an anchor rod pulling force real-time supervision and automatic compensation system, includes: the pressure-bearing device comprises a split type pressure-bearing plate 1, a lifting device 2, a pressure sensor 3 and a control system 4; the split type bearing plate 1 comprises an upper bearing plate 11 and a lower bearing plate 12, wherein corresponding preformed holes 13 are formed in the upper bearing plate 11 and the lower bearing plate 12, and the preformed holes 13 are used for penetrating through the anchor rod 5 to enable the head end of the anchor rod 5 to be connected with the upper bearing plate 11; the lifting device 2 is positioned between the upper bearing plate 11 and the lower bearing plate 12, and the lifting device 2 is used for controlling the upper bearing plate 11 to move away from or close to the lower bearing plate 12; the pressure sensor 3 is used for monitoring the tension change of the anchor rod 5; the control system 4 is connected with the lifting device 2 and the pressure sensor 3.
The anchor rod tension real-time monitoring and automatic compensation system provided by the embodiment of the application can replace the bearing plate 04 and the I-steel 01 which cannot be adjusted in the prior art. As shown in fig. 3, in the anchor rod tension real-time monitoring and automatic compensation system provided in the embodiment of the present application, a split type pressure bearing plate 1 is adopted, an upper pressure bearing plate 11 and a lower pressure bearing plate 12 in the split type pressure bearing plate 1 are connected together by using a lifting device 2, and the lifting device 2 can drive the upper pressure bearing plate 11 to move in a direction away from or close to the lower pressure bearing plate 12. Wherein, go up bearing plate 11 and all be equipped with corresponding preformed hole 13 on the bearing plate 12 down, when using, the head end of stock passes preformed hole 13, can utilize the anchor head to be connected the head end of stock with last bearing plate 11, consequently, when lifting device 2 drove the motion of bearing plate 11 to keeping away from lower bearing plate 12 direction, can improve the pulling force value of the stock of being connected with last bearing plate 11 simultaneously.
In order to realize the tension of the anchor rod and the tension compensation of the anchor rod in real time, the anchor rod tension real-time monitoring and automatic compensation system provided by the embodiment of the application further comprises a pressure sensor 3 and a control system 4. Wherein, pressure sensor 3 installs on stock 5 for the pulling force of monitoring stock 5 changes, and further, pressure sensor 3 can also connect a pressure display device, and pressure display device can fixed mounting be rather than the corresponding position of the stock of monitoring, so that the field construction personnel monitor the pulling force value of corresponding stock at any time. The pressure sensor 3 and the lifting device 2 are both connected with a control system 4. Pressure sensor 3 can transmit the pulling force value of the stock 5 of gathering in real time for control system 4, control system 4 judges whether the current pressure value that pressure sensor 3 gathered meets the demands, if the current pressure value that pressure sensor 3 gathered does not meet the demands, then control system 4 instructs to start elevating gear 2 corresponding with this stock, elevating gear 2 makes upper bearing plate 11 move to keeping away from lower bearing plate 12, thereby further tensioning stock 5, the pressure value that meets the demands until stock 5.
It should be noted that, in the embodiment of the present application, the number of the preformed holes 13 on each of the upper bearing plate 11 and the lower bearing plate 12 is not limited, and if a plurality of anchor rods need to be placed in each anchor hole in an application scenario, the number of the preformed holes 13 on the corresponding upper bearing plate 11 and lower bearing plate 12 needs to be greater than or equal to the number of the anchor rods that need to be placed in each anchor hole.
In the embodiment of the present application, the lifting device 2 is not limited as long as the lifting device can drive the upper bearing plate 11 to move in the direction away from or close to the lower bearing plate 12. In a specific embodiment, the lifting device 2 comprises a top supporting plate 21, a telescopic rod 22 and a driving device 23; the top end of the top supporting plate 21 is connected with the upper bearing plate 11, and the bottom end of the top supporting plate 21 is connected with the top end of the telescopic rod 22; the bottom end of the telescopic rod 22 is connected with the driving device 23; the drive 23 is connected to the control system 4.
When the anchor rod tensioning device is used, if the distance between the upper bearing plate 11 and the lower bearing plate 12 needs to be adjusted, the control system 4 can indicate to start the driving device 23, after the driving device 23 is started, the telescopic rod 22 connected with the driving device is driven to stretch, the top end of the telescopic rod 22 is connected with the upper bearing plate 11 through the top supporting plate 21, and therefore the telescopic rod 22 can drive the upper bearing plate 11 to move towards the direction far away from the lower bearing plate 12, so that the anchor rod is further tensioned, and the tension value of the anchor rod is improved. Wherein, this application does not prescribe a limit to the quantity and the arranging of telescopic link 22, for the structure that makes upper bearing plate 11 is more stable, can be between upper bearing plate 11 and lower bearing plate 12 evenly distributed 4 telescopic links 22.
Further, the driving device 23 is not limited in the present application, and may be, for example, a hydraulic driving device, a pneumatic driving device, or any other driving method that can be realized.
In a specific example, the lifting device 2 is a hydraulic lifting device, the driving device 23 includes a hydraulic oil pump 231 and a hydraulic oil cylinder 232, the hydraulic oil pump 231 and the hydraulic oil cylinder 232 are connected through an oil pipe 233, and the bottom end of the telescopic rod 22 is located in a cavity of the hydraulic oil cylinder 232.
If the lifting device 2 is a hydraulic lifting device, the telescopic rod 22 is equivalent to a piston rod, the control system controls the hydraulic oil pump 231 to open, and the hydraulic oil in the hydraulic oil cylinder 232 forms a certain pressure under the action of the hydraulic oil pump 231, so that the telescopic rod 22 is pushed to move towards the upper bearing plate 11.
In another embodiment, the control system 4 comprises at least one controller, wherein the lifting device 2 and the pressure sensor 3 corresponding to each anchor rod 5 in the anchor rod group are connected to the same controller, the anchor rod group comprises at least two anchor rods 5, and the tension value of each anchor rod 5 in the anchor rod group is the same.
First, it should be noted that in the embodiment of the present application, one controller may be configured for each anchor rod 5, and one controller may also be configured for a plurality of anchor rods 5, which is not limited in the present application.
In the foundation pit engineering, the prestressed anchor rod support generally needs a large number of anchor rods, so that in the embodiment of the application, if a plurality of anchor rods 5 are provided with one controller, the construction cost can be greatly reduced.
If a plurality of anchor rods 5 are provided with a controller, as shown in fig. 4, the embodiment of the present application groups all the installed anchor rods 5, and the present application does not limit the number of anchor rods in each anchor rod group, for example, a first anchor rod group includes 4 anchor rods, a second anchor rod group includes 5 anchor rods, a third anchor rod group includes 8 anchor rods, and the like, which are not listed herein. It should be noted, however, that in order to realize that the same controller can control the tension of each anchor rod in the same anchor rod group at the same time, the tension value of each anchor rod in the same anchor rod group should be the same. It should also be noted that each anchor rod in the same anchor rod group is individually provided with the lifting device 2 and the pressure sensor 3, and the lifting device 2 and the pressure sensor 3 of each anchor rod in the same anchor rod group are connected with the same controller. Because the pulling force value of every stock is the same in same stock group, consequently, the controller that this stock group connects only need monitor a pressure change interval can.
When the anchor rod group tensioning device is used, if the controller monitors that the tension value of a certain anchor rod in the same anchor rod group does not meet the requirement, namely the current tension value is smaller than the minimum tension value of the pressure change interval monitored by the controller, the lifting device 2 corresponding to the anchor rod is started, the anchor rod is further tensioned, and the tension value of the anchor rod meets the requirement again.
To sum up, the anchor rod tension real-time monitoring and automatic compensation system provided by the embodiment of the application can be flexibly configured according to the tension of the anchor rod, monitors the tension change of the anchor rod in real time in the process of excavation and use of a foundation pit, and automatically compensates the tension according to the monitored numerical value.
The application also provides an embodiment of applying the anchor rod tension real-time monitoring and automatic compensation system in the above embodiment to an anchor rod supporting system, and the anchor rod supporting system applying the anchor rod tension real-time monitoring and automatic compensation system comprises a plurality of slope protection piles 6, as shown in fig. 5, an anchor hole 7 is arranged between every two adjacent slope protection piles 6, each anchor hole 7 is correspondingly provided with an anchor rod 5, and a steel waist beam 8 is arranged between the anchor rods 5; the tail end of each anchor rod 5 is poured into the corresponding anchor hole 7 through cement paste, the head end of each anchor rod 5 penetrates through the corresponding preformed holes 13 on the upper bearing plate 11 and the lower bearing plate 12, and the head end of each anchor rod 5 is connected with the upper bearing plate 11; a lifting device 2 is arranged between the upper bearing plate 11 and the lower bearing plate 12, the top end of the lifting device 2 is connected with the upper bearing plate 11, the bottom end of the lifting device 2 is connected with the lower bearing plate 12, and the lifting device 2 supports the upper bearing plate 11 and the lower bearing plate 12, so that the anchor rod 5 meets a target tension value; the anchor rod 5 is provided with a pressure sensor 3, and the pressure sensor 3 is used for monitoring the tension change of the anchor rod 5; the lifting device 2 and the pressure sensor 3 are both connected with a control system 4.
The anchor rod tension real-time monitoring and automatic compensation system installed on the anchor rod specifically refers to the description in the embodiment of the anchor rod tension real-time monitoring and automatic compensation system provided above, and is not described herein again.
The bolting system in the above embodiment may be constructed as follows:
and S1, distributing the controllers according to the design drawing of the foundation pit support, wherein 4-5 same anchor rods with the same tension values form a group, and setting a corresponding tension change interval in a central control computer.
And S2, measuring and releasing the hole position of the anchor rod, fixing the drilling machine, adjusting the angle, and drilling to the depth required by the design.
And S3, manually placing the anchor rod manufactured in advance and the grouting pipe into the hole together, and enabling the anchor rod to be positioned in the center of the drilled hole.
And S4, injecting cement paste according to the design requirement, and pulling out the outer sleeve when the grouting pipe is pulled out while grouting.
And S5, mounting the steel wale or taking the crown beam as the wale.
And S6, installing a split type pressure bearing plate with a lifting device and a pressure sensor, and connecting the lifting device and the pressure sensor to corresponding controllers.
And S7, stretching and locking the anchor rod according to the requirements of design drawings and conventional construction processes.
And S8, the central control computer can control each controller, a central control computer system is started, the tension value of the anchor rod can be read in real time, and if the tension value of the anchor rod is in the set tension change interval, the anchor rod works normally without processing.
And S9, if the tension value of the anchor rod is smaller than the minimum value of the set tension change interval, starting a lifting device corresponding to the anchor rod, and jacking the upper bearing plate by the lifting device, thereby realizing the automatic compensation of the tension of the anchor rod.
And S10, when the foundation pit is used, unloading, namely dismantling the system, and recycling the system subsequently.
To sum up, the anchor bolt supporting system that this application embodiment provided can dispose according to the pulling force size flexibility of stock, and the tensile change of real-time supervision stock carries out pulling force automatic compensation according to the numerical value of monitoring in excavation of foundation ditch and the use. The anchor rope and anchor device can be conveniently removed without cutting off the anchor rope and anchor device by unloading the tension after the foundation pit is used, and the anchor rod tension real-time monitoring and automatic compensation system can be recycled for many times.
Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion.
The present application has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the presently disclosed embodiments and implementations thereof without departing from the spirit and scope of the present disclosure, and these fall within the scope of the present disclosure. The protection scope of this application is subject to the appended claims.
Claims (10)
1. The utility model provides an anchor rod pulling force real-time supervision and automatic compensation system which characterized in that includes: the pressure-bearing device comprises a split pressure-bearing plate (1), a lifting device (2), a pressure sensor (3) and a control system (4);
the split type bearing plate (1) comprises an upper bearing plate (11) and a lower bearing plate (12), corresponding preformed holes (13) are formed in the upper bearing plate (11) and the lower bearing plate (12), and the preformed holes (13) are used for penetrating through an anchor rod (5) to enable the head end of the anchor rod (5) to be connected with the upper bearing plate (11);
the lifting device (2) is positioned between the upper bearing plate (11) and the lower bearing plate (12), and the lifting device (2) is used for controlling the upper bearing plate (11) to be far away from or close to the lower bearing plate (12);
the pressure sensor (3) is used for monitoring the tension change of the anchor rod (5);
the control system (4) is connected with the lifting device (2) and the pressure sensor (3).
2. The anchor rod tension real-time monitoring and automatic compensation system according to claim 1, wherein the lifting device (2) comprises a top supporting plate (21), a telescopic rod (22) and a driving device (23);
the top end of the top supporting plate (21) is connected with the upper bearing plate (11), and the bottom end of the top supporting plate (21) is connected with the top end of the telescopic rod (22);
the bottom end of the telescopic rod (22) is connected with the driving device (23);
the drive device (23) is connected to the control system (4).
3. The anchor rod tension real-time monitoring and automatic compensating system according to claim 2, wherein the lifting device (2) is a hydraulic lifting device, the driving device (23) comprises a hydraulic oil pump (231) and a hydraulic oil cylinder (232), the hydraulic oil pump (231) and the hydraulic oil cylinder (232) are connected through an oil pipe (233), and the bottom end of the telescopic rod (22) is located in a cavity of the hydraulic oil cylinder (232).
4. The anchor rod tension real-time monitoring and automatic compensation system according to claim 1, wherein the control system (4) comprises at least one controller, wherein the lifting device (2) and the pressure sensor (3) corresponding to each anchor rod (5) in the anchor rod group are both connected with the same controller, the anchor rod group comprises at least two anchor rods (5), and the tension value of each anchor rod (5) in the anchor rod group is the same.
5. Real-time anchor rod tension monitoring and automatic compensation system according to claim 4, characterized in that the same controller is used to control 4-5 anchor rods (5) with the same tension value.
6. The anchor rod supporting system is characterized by comprising a plurality of slope protection piles (6), wherein an anchor hole (7) is formed between every two adjacent slope protection piles (6), an anchor rod (5) is correspondingly arranged in each anchor hole (7), and a steel waist beam (8) is arranged between the anchor rods (5);
the tail end of each anchor rod (5) is poured into the corresponding anchor hole (7) through cement paste, the head end of each anchor rod (5) penetrates through the corresponding preformed holes (13) in the upper bearing plate (11) and the lower bearing plate (12), and the head end of each anchor rod (5) is connected with the upper bearing plate (11);
a lifting device (2) is arranged between the upper bearing plate (11) and the lower bearing plate (12), the top end of the lifting device (2) is connected with the upper bearing plate (11), the bottom end of the lifting device (2) is connected with the lower bearing plate (12), and the lifting device (2) supports the upper bearing plate (11) and the lower bearing plate (12) so that the anchor rod (5) meets a target tension value;
the anchor rod (5) is provided with a pressure sensor (3), and the pressure sensor (3) is used for monitoring the tension change of the anchor rod (5);
the lifting device (2) and the pressure sensor (3) are connected with the control system (4).
7. Bolting system according to claim 6, characterised in that said lifting device (2) comprises a top bracket plate (21), a telescopic rod (22) and a drive means (23);
the top end of the top supporting plate (21) is connected with the upper bearing plate (11), and the bottom end of the top supporting plate (21) is connected with the top end of the telescopic rod (22);
the bottom end of the telescopic rod (22) is connected with the driving device (23);
the drive device (23) is connected to the control system (4).
8. The bolting system according to claim 7, wherein said lifting device (2) is a hydraulic lifting device, said driving device (23) comprises a hydraulic oil pump (231) and a hydraulic oil cylinder (232), said hydraulic oil pump (231) and said hydraulic oil cylinder (232) are connected by an oil pipe (233), and the bottom end of said telescopic rod (22) is located in the cavity of said hydraulic oil cylinder (232).
9. The bolting system according to claim 6, wherein said control system (4) comprises at least one controller, wherein the lifting device (2) and the pressure sensor (3) corresponding to each anchor rod (5) in a group of anchor rods comprising at least two anchor rods (5) are connected to the same controller, and wherein the tension value of each anchor rod (5) in said group of anchor rods is the same.
10. Bolting system according to claim 9, characterized in that one and the same controller is used for controlling 4-5 bolts (5) with the same tension value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023245017.3U CN214363507U (en) | 2020-12-29 | 2020-12-29 | Anchor rod tension real-time monitoring and automatic compensation system and anchor rod supporting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023245017.3U CN214363507U (en) | 2020-12-29 | 2020-12-29 | Anchor rod tension real-time monitoring and automatic compensation system and anchor rod supporting system |
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| CN214363507U true CN214363507U (en) | 2021-10-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116254832A (en) * | 2023-02-03 | 2023-06-13 | 东北大学 | Prestressed anchor cable device and use method |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116254832A (en) * | 2023-02-03 | 2023-06-13 | 东北大学 | Prestressed anchor cable device and use method |
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