CN220853526U - Wall-attached strip type multi-point intelligent displacement meter for monitoring deformation of surrounding rock of roadway - Google Patents
Wall-attached strip type multi-point intelligent displacement meter for monitoring deformation of surrounding rock of roadway Download PDFInfo
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- CN220853526U CN220853526U CN202322756426.7U CN202322756426U CN220853526U CN 220853526 U CN220853526 U CN 220853526U CN 202322756426 U CN202322756426 U CN 202322756426U CN 220853526 U CN220853526 U CN 220853526U
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- displacement meter
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- surrounding rock
- hole
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 70
- 239000011435 rock Substances 0.000 title claims abstract description 47
- 238000012544 monitoring process Methods 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 15
- 238000005553 drilling Methods 0.000 claims abstract description 10
- 239000013013 elastic material Substances 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 230000001464 adherent effect Effects 0.000 claims 4
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The wall-attached strip type multipoint intelligent displacement meter comprises a supporting mechanism, a displacement meter mechanism and a mounting mechanism, wherein the supporting mechanism comprises two supporting strips which are oppositely arranged, a plurality of supporting holes are formed in the supporting strips, and at least one group of opposite supporting holes are coaxially arranged with a drilling hole of the surrounding rock of the roadway; the displacement meter mechanism is arranged between the supporting strips and is provided with a mounting hole which is coaxial with the drilling hole of the surrounding rock of the roadway; the displacement meter mechanism is used for measuring the deformation of the surrounding rock of the roadway; the installation mechanism is fixedly connected with the anchor rod, and the anchor rod sequentially penetrates through the supporting hole and the installation hole and is then fixed in the surrounding rock drilling hole of the roadway; the mounting mechanism can fixedly mount the supporting mechanism and the displacement meter mechanism on the surrounding rock wall of the roadway; the strip type multipoint intelligent displacement meter can monitor deformation conditions of a plurality of positions in real time, can comprehensively and accurately reflect deformation conditions of surrounding rocks of a roadway, improves monitoring efficiency and accuracy, and reduces cost and difficulty of monitoring the surrounding rocks of the roadway.
Description
Technical Field
The utility model relates to the technical field of roadway surrounding rock deformation monitoring, in particular to an adherence strip type multipoint intelligent displacement meter for monitoring roadway surrounding rock deformation.
Background
Roadway surrounding rock refers to rock or soil surrounding a roadway in underground excavation engineering. In the process of tunnel excavation, surrounding rocks of a tunnel can be deformed and destroyed due to the influences of factors such as underground water, ground stress, geological structures and the like, and the stability and the safety of the tunnel are seriously influenced. Therefore, the method is particularly important for monitoring and early warning of roadway surrounding rock.
The traditional roadway surrounding rock monitoring method mainly adopts a single-point displacement meter for monitoring. As the deformation of the surrounding rock of the roadway is a spatially distributed process, the single-point displacement meter cannot comprehensively reflect the deformation condition of the surrounding rock of the roadway.
In the field of roadway surrounding rock monitoring, in order to more comprehensively and accurately reflect the deformation condition of the roadway surrounding rock, the utility model provides the strip type multipoint intelligent displacement meter which is used for monitoring the deformation condition of the roadway surrounding rock in a multipoint, real-time and accurate manner, can greatly improve the monitoring efficiency and accuracy, and has very important technical support for guaranteeing the stability and safety of the roadway.
Disclosure of utility model
In order to solve the problems in the prior art, the utility model provides an adherence strip type multipoint intelligent displacement meter for monitoring deformation of surrounding rock of a roadway.
The technical scheme of the utility model is as follows:
The wall-attached strip type multipoint intelligent displacement meter comprises a supporting mechanism, a displacement meter mechanism and a mounting mechanism, wherein the supporting mechanism comprises two supporting strips which are oppositely arranged, a plurality of supporting holes are formed in the supporting strips, and at least one group of opposite supporting holes are coaxially arranged with a drilling hole of the surrounding rock of the roadway; the displacement meter mechanism is arranged between the supporting strips and is provided with a mounting hole which is coaxial with the surrounding rock drilling of the roadway; the displacement meter mechanism is used for measuring the deformation of the surrounding rock of the roadway; the installation mechanism is fixedly connected with the anchor rod, and the anchor rod sequentially passes through the support hole and the installation hole and is then fixed in the surrounding rock drilling hole of the roadway; the mounting mechanism can fixedly mount the supporting mechanism and the displacement meter mechanism on the surrounding rock wall of the roadway.
Further, the displacement meter mechanism comprises a multi-point intelligent displacement meter, and a measuring rope of the multi-point intelligent displacement meter passes through the mounting hole and is fixedly connected with the mounting mechanism.
Further, the mounting mechanism is a pre-tightening bolt.
Further, the displacement meter mechanism further comprises a reading display, wherein the reading display is used for displaying measurement data of the multipoint intelligent displacement meter.
Further, the distance between the supporting holes on the same supporting strip is 800mm-1200mm.
Further, the supporting strip is made of micro-elastic materials; the width of the supporting strip ranges from 5mm to 50mm.
The beneficial effects of the utility model are as follows:
1. The strip type multipoint intelligent displacement meter disclosed by the utility model has the advantages of simple structure, reasonable design and convenience in material acquisition, and is convenient to process and use.
2. The strip type multipoint intelligent displacement meter disclosed by the utility model adopts an advanced sensing technology and a data processing method, has the characteristics of high precision and high sensitivity, and can accurately monitor the deformation condition of the surrounding rock of the roadway in real time. Meanwhile, deformation conditions of a plurality of positions can be monitored in real time, deformation conditions of surrounding rocks of a roadway can be reflected more comprehensively and accurately, monitoring efficiency and accuracy are improved, efficient and low-cost monitoring can be realized, and cost and difficulty of monitoring the surrounding rocks of the roadway are reduced.
Drawings
Fig. 1: a structural decomposition schematic diagram of the strip-type multipoint intelligent displacement meter;
Fig. 2: a strip-type multipoint intelligent displacement meter mounting schematic diagram 1;
fig. 3: a strip-type multipoint intelligent displacement meter installation schematic diagram 2;
fig. 4: a strip-type multipoint intelligent displacement meter installation schematic diagram 3;
Fig. 5: a strip-type multipoint intelligent displacement meter installation schematic diagram 4;
Symbol description
The device comprises a first supporting strip, a second supporting strip, a 3-supporting space, a 4-supporting hole A, a 5-supporting hole B, a 6-supporting hole C, a 7-supporting hole D, an 8-multipoint intelligent displacement meter, a 9-reading display, a 10-mounting hole and an 11-pre-tightening bolt.
Detailed Description
The utility model is described in detail below by way of examples with reference to the accompanying drawings.
As shown in the accompanying drawings from 1 to 5, the wall-attached strip type multi-point intelligent displacement meter for monitoring the deformation of surrounding rock of a roadway comprises a supporting mechanism, a displacement meter mechanism and a mounting mechanism.
The support mechanism comprises at least 2 support strips. The present embodiment preferably uses two support strips, a first support strip 1 and a second support strip 2, respectively. The support strip is preferably made of a material having micro elasticity, such as rubber; the width of the support strip ranges from 5mm to 50mm.
The broad surface of the first supporting strip 1 is opposite to and parallel to the broad surface of the second supporting strip 2; the first support strip 1 is spaced apart from the second support strip 2 by a distance to form a support space 3, which support space 3 is used for mounting a displacement meter mechanism.
The first supporting strip 1 is provided with 2 supporting holes in a penetrating mode, namely a supporting hole A4 and a supporting hole B5; the second supporting strip 2 is provided with 2 supporting holes in a penetrating mode, namely a supporting hole C6 and a supporting hole D7. Wherein the supporting hole A4 and the supporting hole C6 are coaxial and oppositely arranged, namely, the supporting hole A4 and the supporting hole C6 are positioned on the same central axis; the supporting hole B5 and the supporting hole D7 are coaxial and are oppositely arranged, namely, the supporting hole B5 and the supporting hole D7 are positioned on the same central axis. The distance range of the supporting holes on the same supporting strip is 800mm-1200mm; the aperture of the support hole should be adapted to the outer diameter setting of the anchor rod for insertion therethrough.
The displacement meter mechanism comprises a multipoint intelligent displacement meter 8, a reading display 9 and a mounting hole 10.
The outer surface of the multipoint intelligent displacement meter 8 is provided with a groove for installing the reading display 9, and as a preferable installation mode, the surface of the reading display 9 should not be higher than the outer surface of the multipoint intelligent displacement meter 8 so as to be convenient for installation and use. The reading display 9 is preferably arranged on the upper end face of the multipoint intelligent displacement meter 8, so that the user can observe and read conveniently.
The reading display 9 is connected with the multipoint intelligent displacement meter 8 through a signal wire and is used for displaying the measured value of the multipoint intelligent displacement meter 8. The multipoint intelligent displacement meter 8 preferably uses a VWM type vibrating wire multipoint displacement meter (intelligent) manufactured by nanjing Ge Na, a real company.
The multi-point intelligent displacement meter 8 is provided with a mounting hole 10 in a penetrating mode near the lower end face of the multi-point intelligent displacement meter, and the aperture size of the mounting hole 10 is the same as that of the supporting hole.
The multipoint intelligent displacement meter 8 is fixedly installed in the supporting space 3, and after the installation is completed, the installation hole 10 and a group of opposite supporting holes of the supporting strip are positioned on the same central axis, for example: the mounting hole 10 is located on the same central axis as the support hole A4 and the support hole B5.
The installation mechanism comprises a pre-tightening bolt 11, the pre-tightening bolt 11 is fixedly connected with a measuring rope of the multipoint intelligent displacement meter 8, and the pre-tightening bolt 11 is in threaded connection with a hollow part at the front end of the anchor rod.
The following is a detailed description of the strip-type multipoint intelligent displacement meter 8 according to the present embodiment through the steps of installation and use, and the specific steps are as follows:
S1: determining a proper position on the surrounding rock wall of the roadway, and excavating a drill hole by using a drilling machine;
S2: placing a high-strength expansion anchoring agent in the drill hole;
S3: the second supporting strip 2 is preset and attached to the surrounding rock wall of the roadway, so that the supporting holes C6 are aligned and drilled;
S4: placing the multi-point intelligent displacement meter 8 on the second supporting strip 2 so that the mounting holes 10 are aligned with the supporting holes C6;
s5: placing the first support strip 1 on the multipoint intelligent displacement meter 8 so that the support holes A4 are aligned with the mounting holes 10;
S6: the pre-tightening bolt 11 is screwed into the hollow part of the front end of the anchor rod and is screwed, then the anchor rod sequentially passes through the supporting hole A4, the mounting hole 10 and the supporting hole C6 and is inserted into the drilled hole, and the anchor rod and the high-strength expansion anchoring agent are fully stirred until the anchor rod is firmly mounted.
The measuring process of the strip type multipoint intelligent displacement meter comprises the following steps: when the surrounding rock wall of the roadway is displaced or deformed, the surrounding rock extrudes the supporting strip, the supporting strip drives the measuring rope to move in the roadway, the multipoint intelligent displacement meter 8 measures the displacement value and displays the value through the reading display 9, and the displacement of the surrounding rock can be recorded.
In the above-described embodiments of the present invention,
1. The number of the supporting holes on the supporting strip can be multiple, but at least 2 supporting holes are needed to be arranged;
2. every two supporting strips are a supporting group, and the opposite supporting holes in the supporting group are coaxially arranged;
3. At least one displacement meter mechanism is arranged in each supporting group.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (6)
1. An adherent strip type multipoint intelligent displacement meter for monitoring deformation of surrounding rock of a roadway is characterized by comprising a supporting mechanism, a displacement meter mechanism and a mounting mechanism,
The supporting mechanism comprises two supporting strips which are oppositely arranged, a plurality of supporting holes are formed in the supporting strips, and at least one group of opposite supporting holes are coaxially arranged with the surrounding rock drilling holes of the roadway;
The displacement meter mechanism is arranged between the supporting strips and is provided with a mounting hole which is coaxial with the surrounding rock drilling of the roadway; the displacement meter mechanism is used for measuring the deformation of the surrounding rock of the roadway;
the installation mechanism is fixedly connected with the anchor rod, and the anchor rod sequentially passes through the support hole and the installation hole and is then fixed in the surrounding rock drilling hole of the roadway; the mounting mechanism can fixedly mount the supporting mechanism and the displacement meter mechanism on the surrounding rock wall of the roadway.
2. The wall-attached strip type multipoint intelligent displacement meter for monitoring deformation of surrounding rock of a roadway according to claim 1, wherein the displacement meter mechanism comprises a multipoint intelligent displacement meter, and a measuring rope of the multipoint intelligent displacement meter is fixedly connected with the mounting mechanism after passing through the mounting hole.
3. The wall-attached strip type multipoint intelligent displacement meter for monitoring deformation of surrounding rock of roadway according to claim 2, wherein the mounting mechanism is a pre-tightening bolt.
4. An adherent strip type multipoint intelligent displacement meter for monitoring deformation of surrounding rock of a roadway according to claim 2, wherein the displacement meter mechanism further comprises a reading display for displaying measurement data of the multipoint intelligent displacement meter.
5. An adherent strip type multipoint intelligent displacement meter for monitoring deformation of surrounding rock of roadway according to any one of claims 2-4, wherein the distance between supporting holes on the same supporting strip is 800-1200 mm.
6. An adherent strip type multipoint intelligent displacement meter for monitoring deformation of surrounding rock of a roadway according to any one of claims 2-4, wherein the support strip is made of micro-elastic material; the width of the supporting strip ranges from 5mm to 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322756426.7U CN220853526U (en) | 2023-10-15 | 2023-10-15 | Wall-attached strip type multi-point intelligent displacement meter for monitoring deformation of surrounding rock of roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322756426.7U CN220853526U (en) | 2023-10-15 | 2023-10-15 | Wall-attached strip type multi-point intelligent displacement meter for monitoring deformation of surrounding rock of roadway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220853526U true CN220853526U (en) | 2024-04-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322756426.7U Active CN220853526U (en) | 2023-10-15 | 2023-10-15 | Wall-attached strip type multi-point intelligent displacement meter for monitoring deformation of surrounding rock of roadway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220853526U (en) |
-
2023
- 2023-10-15 CN CN202322756426.7U patent/CN220853526U/en active Active
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