CN220687373U - Anchor rod stress sensing monitoring device - Google Patents

Anchor rod stress sensing monitoring device Download PDF

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Publication number
CN220687373U
CN220687373U CN202322501515.7U CN202322501515U CN220687373U CN 220687373 U CN220687373 U CN 220687373U CN 202322501515 U CN202322501515 U CN 202322501515U CN 220687373 U CN220687373 U CN 220687373U
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CN
China
Prior art keywords
anchor rod
rod main
clamping plate
main part
stress
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Active
Application number
CN202322501515.7U
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Chinese (zh)
Inventor
李涛
陈锐
李亚鹏
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Shaanxi Youhan Measurement And Control Technology Co ltd
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Shaanxi Youhan Measurement And Control Technology Co ltd
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Priority to CN202322501515.7U priority Critical patent/CN220687373U/en
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Abstract

The utility model discloses an anchor rod stress sensing monitoring device, in particular to the technical field of anchor rod stress monitoring, which comprises an anchor rod main body and an anchor rod base plate fixed on the anchor rod main body, wherein a first clamping plate is sleeved at the outer end of the anchor rod main body, a second clamping plate and a stress sensor are sleeved at the outer end of the anchor rod main body, a data acquisition device is connected to the stress sensor, an external threaded pipe is sleeved at the bottom end of the anchor rod main body, and a nut is connected to the external end of the external threaded pipe in a threaded manner. According to the utility model, the force sensor is limited and supported through the screw cap and the second clamping plate, and the second clamping plate is supported and fixed through the limiting mechanism, the external threaded pipe and the screw cap, so that the disassembly process of the second clamping plate is simple and convenient, the condition that the screw cap is required to be disassembled by using an external tool when the second clamping plate and the force sensor are disassembled is avoided, and the force sensor is convenient to disassemble and install.

Description

Anchor rod stress sensing monitoring device
Technical Field
The utility model relates to the technical field of anchor rod stress monitoring, in particular to an anchor rod stress sensing monitoring device.
Background
The anchor rod is the most basic component part of roadway support in contemporary coal mines, and the anchor rod reinforces surrounding rocks of the roadway together so that the surrounding rocks support themselves. The anchor rod is not only used for mines, but also used for engineering technology, and the main body of the tunnel and the dam body is reinforced. The anchor rod is used as tension member for deep stratum, and has one end connected to engineering structure and the other end deep stratum.
At present, when the anchor rod stress sensing monitoring device is in actual use, once the sensor is installed, the nut is required to be detached simultaneously after the sensor is detached, and an external tool is required to be used for detaching, so that the detaching process is troublesome, and the technical index of the reinstallation of the anchor rod cannot be guaranteed.
Therefore, it is necessary to invent a device for monitoring the stress of an anchor rod to solve the above problems.
Disclosure of Invention
The utility model aims to provide an anchor rod stress sensing monitoring device, which is used for carrying out limit support on a force sensor through a screw cap and a second clamping plate, and carrying out support and fixation on the second clamping plate through a limit mechanism, an external threaded pipe and the screw cap, so that the disassembly process of the second clamping plate is simpler and more convenient, the condition that the screw cap is required to be disassembled by using an external tool when the second clamping plate and the force sensor are disassembled is avoided, and the disassembly and the installation of the force sensor are more convenient, so as to solve the defects in the technology.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides an anchor rod stress sensing monitoring devices, includes the anchor rod main part and fixes the stock backing plate in the anchor rod main part, the outer pot head of anchor rod main part is equipped with first grip block, first grip block is established in stock backing plate bottom, the outer pot head of anchor rod main part is equipped with second grip block and stress sensor, stress sensor establishes in first grip block bottom, the second grip block is established in stress sensor bottom, be connected with data acquisition ware on the stress sensor, anchor rod main part bottom cover is equipped with the external screw thread pipe, external screw thread pipe external screw thread connection has the nut, the nut is established in second grip block bottom, through stop gear fixed connection between anchor rod main part bottom and the external screw thread pipe.
Preferably, the outer end cover of stock main part is equipped with the grout stop stopper, the grout stop stopper is fixed to be established between stock backing plate and first grip block, is convenient for prevent that some silt etc. from falling on the first grip block.
Preferably, the stop gear is including establishing the spacing dead lever in external screw thread pipe outer end bottom, the external screw thread pipe is run through to spacing dead lever one end, spacing hole has been seted up to stock main part bottom, spacing dead lever one end passes spacing hole inside, is convenient for fix stock main part and external screw thread union coupling together.
Preferably, the other end of the limiting fixing rod is fixedly provided with a pull block, and the pull block is arranged at the bottom of the nut, so that the limiting fixing rod can be conveniently pulled to move outwards.
Preferably, the outer end of the limiting fixing rod is sleeved with a reset spring, and two ends of the reset spring are fixedly connected with the outer end of the external threaded pipe and the inner side of the pull block respectively, so that the limiting fixing rod can be reset automatically.
In the technical scheme, the utility model has the technical effects and advantages that:
carry out spacing support through nut and second grip block to the force transducer, rethread stop gear, external screw thread pipe and nut come to support fixedly to the second grip block, this makes the dismantlement process of second grip block comparatively simple convenient, has avoided dismantling the condition that needs to use external tool to dismantle the nut when second grip block and force transducer to appear for force transducer's dismantlement and installation are comparatively convenient.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the overall perspective cross-sectional structure of the present utility model;
FIG. 3 is a schematic perspective sectional view of a second clamping plate according to the present utility model;
fig. 4 is a schematic perspective sectional structure of the externally threaded pipe of the present utility model.
Reference numerals illustrate:
1. an anchor body; 2. an anchor rod backing plate; 3. a grout stop plug; 4. a first clamping plate; 5. a second clamping plate; 6. a stress sensor; 7. a data collector; 8. an external threaded tube; 9. a screw cap; 10. a limit fixing rod; 11. a limiting hole; 12. pulling blocks; 13. and a return spring.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
The utility model provides an anchor rod stress sensing monitoring device as shown in figures 1-4, which comprises an anchor rod main body 1 and an anchor rod base plate 2 fixed on the anchor rod main body 1, wherein a first clamping plate 4 is sleeved at the outer end of the anchor rod main body 1, the first clamping plate 4 is arranged at the bottom end of the anchor rod base plate 2, a second clamping plate 5 and a stress sensor 6 are sleeved at the outer end of the anchor rod main body 1, the stress sensor 6 is arranged at the bottom end of the first clamping plate 4, the second clamping plate 5 is arranged at the bottom end of the stress sensor 6, a data collector 7 is connected to the stress sensor 6, an external threaded pipe 8 is sleeved at the bottom end of the anchor rod main body 1, a nut 9 is connected to the external end of the external threaded pipe 8 in a threaded manner, the nut 9 is arranged at the bottom end of the second clamping plate 5, and the bottom end of the anchor rod main body 1 is fixedly connected with the external threaded pipe 8 through a limiting mechanism.
The outer end of the anchor rod main body 1 is sleeved with a grout stop plug 3, and the grout stop plug 3 is fixedly arranged between the anchor rod backing plate 2 and the first clamping plate 4.
The limiting mechanism comprises a limiting fixed rod 10 arranged at the bottom of the outer end of the external threaded pipe 8, one end of the limiting fixed rod 10 penetrates through the external threaded pipe 8, a limiting hole 11 is formed in the bottom end of the anchor rod main body 1, one end of the limiting fixed rod 10 penetrates through the inside of the limiting hole 11, a pull block 12 is fixedly arranged at the other end of the limiting fixed rod 10, the pull block 12 is arranged at the bottom of the nut 9, a reset spring 13 is sleeved at the outer end of the limiting fixed rod 10, and two ends of the reset spring 13 are fixedly connected with the outer end of the external threaded pipe 8 and the inner side of the pull block 12 respectively.
The anchor rod is characterized in that one end of the anchor rod main body 1 is arranged in a rock-mineral layer, the anchor rod backing plate 2 can support the rock-mineral layer, the stress sensor 6 is arranged at the bottom end of the first clamping plate 4, then the second clamping plate 5 is arranged at the bottom end of the stress sensor 6, the pull block 12 is pulled outwards, the pull block 12 drives one end of the limiting fixing rod 10 to leave the inside of the externally threaded pipe 8, the bottom end of the anchor rod main body 1 is inserted into the externally threaded pipe 8, the pull block 12 is loosened, the pull block 12 drives the limiting fixing rod 10 to be inserted into the limiting hole 11 under the elastic force of the reset spring 13, the nut 9 is rotated, the nut 9 can jack up the second clamping plate 5 upwards, the stress sensor 6 can be abutted against the bottom end of the first clamping plate 4, the stress sensor 6 can monitor the stress of the anchor rod main body 1, monitored data can be transmitted to the data collector 7, the pull block 12 and the limiting fixing rod 10 are pulled outwards, and then the externally threaded pipe 8 and the nut 9 can be detached from the bottom end of the anchor rod main body 1, and the second clamping plate 5 and the stress sensor 6 are detached, and the stress sensor 6 are convenient to detach and install the stress sensor 6.
According to the utility model, the force sensor 6 is supported in a limiting way through the screw cap 9 and the second clamping plate 5, and the second clamping plate 5 is supported and fixed through the limiting mechanism, the external threaded pipe 8 and the screw cap 9, so that the disassembling process of the second clamping plate 5 is simple and convenient, the condition that the screw cap 9 needs to be disassembled by using an external tool when the second clamping plate 5 and the force sensor 6 are disassembled is avoided, the stress sensor 6 is convenient to disassemble and assemble, the embodiment specifically solves the problems that in the prior art, the screw cap is required to be disassembled once the sensor is disassembled after the sensor is assembled in actual use, the external tool is required to be used during the disassembly, the disassembling process is troublesome, and the technical index of the re-installation of the anchor is not guaranteed.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (5)

1. The utility model provides an anchor rod stress sensing monitoring devices, includes anchor rod main part (1) and fixes anchor rod backing plate (2) on anchor rod main part (1), its characterized in that: the utility model provides a novel anchor rod, including anchor rod main part (1), anchor rod main part (1) outer pot head is equipped with first grip block (4), first grip block (4) are established in anchor rod backing plate (2) bottom, anchor rod main part (1) outer pot head is equipped with second grip block (5) and stress sensor (6), stress sensor (6) are established in first grip block (4) bottom, second grip block (5) are established in stress sensor (6) bottom, be connected with data acquisition ware (7) on stress sensor (6), anchor rod main part (1) bottom cover is equipped with external screw thread pipe (8), external screw thread pipe (8) outer end threaded connection has nut (9), nut (9) are established in second grip block (5) bottom, through stop gear fixed connection between anchor rod main part (1) bottom and external screw thread pipe (8).
2. The anchor rod stress sensing and monitoring device according to claim 1, wherein: the outer end of the anchor rod main body (1) is sleeved with a grout stop plug (3), and the grout stop plug (3) is fixedly arranged between the anchor rod backing plate (2) and the first clamping plate (4).
3. The anchor rod stress sensing and monitoring device according to claim 1, wherein: the limiting mechanism comprises a limiting fixing rod (10) arranged at the bottom of the outer end of the external threaded pipe (8), one end of the limiting fixing rod (10) penetrates through the external threaded pipe (8), a limiting hole (11) is formed in the bottom end of the anchor rod main body (1), and one end of the limiting fixing rod (10) penetrates through the inside of the limiting hole (11).
4. A rock bolt stress sensing monitoring device according to claim 3, wherein: the other end of the limiting fixing rod (10) is fixedly provided with a pull block (12), and the pull block (12) is arranged at the bottom of the screw cap (9).
5. The anchor bar stress sensing and monitoring device according to claim 4, wherein: the outer end of the limiting fixing rod (10) is sleeved with a reset spring (13), and two ends of the reset spring (13) are fixedly connected with the outer end of the external threaded pipe (8) and the inner side of the pull block (12) respectively.
CN202322501515.7U 2023-09-14 2023-09-14 Anchor rod stress sensing monitoring device Active CN220687373U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322501515.7U CN220687373U (en) 2023-09-14 2023-09-14 Anchor rod stress sensing monitoring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322501515.7U CN220687373U (en) 2023-09-14 2023-09-14 Anchor rod stress sensing monitoring device

Publications (1)

Publication Number Publication Date
CN220687373U true CN220687373U (en) 2024-03-29

Family

ID=90370124

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322501515.7U Active CN220687373U (en) 2023-09-14 2023-09-14 Anchor rod stress sensing monitoring device

Country Status (1)

Country Link
CN (1) CN220687373U (en)

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