CN218674022U - Prestressed anchor rod stress monitoring device - Google Patents
Prestressed anchor rod stress monitoring device Download PDFInfo
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- CN218674022U CN218674022U CN202222806627.9U CN202222806627U CN218674022U CN 218674022 U CN218674022 U CN 218674022U CN 202222806627 U CN202222806627 U CN 202222806627U CN 218674022 U CN218674022 U CN 218674022U
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- clamping plate
- anchor rod
- wall
- stock
- stress
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Abstract
The utility model discloses a belong to the technical field of the stock, specifically be a prestressed anchorage pole stress monitoring devices, including the stock body, anchor head and nut, the right-hand member at the stock body is installed to the anchor head, the left end outer wall at the stock body is installed to the nut screw thread, still includes: the coupling assembling of dismouting is carried out to the sensor to the convenience, coupling assembling installs on the stock body, coupling assembling includes first grip block and second grip block, first grip block and second grip block are pegged graft respectively at the outer wall of the stock body, the utility model discloses beneficial effect is: through installing first grip block and second grip block on the stock, centre gripping installation stress sensor between first grip block and second grip block, not only make the installation that the stock can be stable, stress sensor installation is also very convenient with the dismantlement simultaneously, need not dismantle the nut on the stock and also can accomplish.
Description
Technical Field
The utility model relates to an stock technical field specifically is a prestressed anchorage pole stress monitoring devices.
Background
The prestressed anchor consists of anchor head, rod body and backing plate, and the anchoring force produced by anchor head can apply a certain prestress to the surrounding rock to actively reinforce the surrounding rock, and according to the different anchoring modes or anchoring materials, the commonly-used prestressed anchor includes mechanically-expanded shell prestressed anchor, resin prestressed anchor and cement cartridge prestressed anchor, and the mechanically-expanded shell anchor is suitable for hard rock, and because the rock contacted with wedge body is deformed and damaged, they are not good in the effect of intensive joint rock and soft rock, and also not suitable for nearby anchoring which is subjected to blasting vibration.
Once the existing sensor is disassembled, the nut needs to be disassembled at the same time, and the technical index of the anchor rod for re-installation cannot be guaranteed; if the sensor is not disassembled, the sensor material also affects the stress of the anchor rods, and each anchor rod needs to be provided with a corresponding permanent sensor, so that resource waste is caused.
Therefore, the invention is necessary to develop a stress monitoring device for prestressed anchors.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a problem that exists among the above-mentioned and/or current prestressed anchorage pole stress monitoring devices has been proposed.
Therefore, the utility model aims at providing a prestressed anchor rod stress monitoring device, through installing first grip block and second grip block on the stock, centre gripping installation stress sensor between first grip block and second grip block, not only make the stock can stable installation, stress sensor installation and dismantlement are also very convenient at the same time, can also accomplish without dismantling the nut on the stock, can solve once dismantle need dismantle nut at the same time after the above-mentioned existing sensor installation is accomplished, the technical index that the stock is installed once again can not be guaranteed; if the sensor is not disassembled, the sensor material also influences the stress of the anchor rods, and the problem of resource waste is caused when each anchor rod needs to be provided with a corresponding permanent sensor.
For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:
a prestressed anchor stress monitoring device, comprising: stock body, anchor head and nut, the right-hand member at the stock body is installed to the anchor head, the left end outer wall at the stock body is installed to the nut screw thread, still includes:
the coupling assembling of dismouting is carried out to the sensor to the convenience, coupling assembling installs on the stock body.
As a pre-stressed anchor rod stress monitoring devices a preferred scheme, wherein: the connecting assembly comprises a first clamping plate and a second clamping plate, and the first clamping plate and the second clamping plate are respectively inserted into the outer wall of the anchor rod body.
As a pre-stressed anchor rod stress monitoring devices a preferred scheme, wherein: the stress sensor is clamped on the inner sides of the lower ends of the first clamping plate and the second clamping plate, a first bolt is installed on the inner wall of the first clamping plate and the inner wall of the second clamping plate, and the first bolt penetrates through the stress sensor.
As a pre-stressed anchor rod stress monitoring devices a preferred scheme, wherein: the outer wall of the bolt I is sleeved with a third gasket and a fourth gasket respectively, the third gasket is arranged at the left end of the stress sensor, and the fourth gasket is arranged at the right end of the stress sensor.
As a pre-stressed anchor rod stress monitoring devices a preferred scheme, wherein: the rubber ring is clamped on the inner sides of the upper ends of the first clamping plate and the second clamping plate, and a second bolt is mounted on the inner walls of the upper ends of the first clamping plate and the second clamping plate and penetrates through the rubber ring.
As a pre-stressed anchor rod stress monitoring devices a preferred scheme, wherein: the outer wall of the anchor rod body is sleeved with a sleeve, and the sleeve is clamped between the first clamping plate and the second clamping plate.
As a pre-stressed anchor rod stress monitoring devices a preferred scheme, wherein: the outer wall of the anchor rod body is further respectively sleeved with a first gasket and a second gasket, the first gasket is arranged at the left end of the sleeve, and the second gasket is arranged at the right end of the sleeve.
As a pre-stressed anchor rod stress monitoring devices a preferred scheme, wherein: the outer wall of the anchor rod body is respectively sleeved with a grout stopping plug and a backing plate, the grout stopping plug is tightly attached to the right side of the first clamping plate, and the backing plate is tightly attached to the right end of the grout stopping plug.
Compared with the prior art:
through installing first grip block and second grip block on the stock, centre gripping installation stress sensor between first grip block and second grip block not only makes the installation that the stock can be stable, and stress sensor installation is also very convenient with the dismantlement simultaneously, need not dismantle the nut on the stock and also can accomplish.
Drawings
Fig. 1 is a schematic view of a prestressed anchor stress monitoring device according to the present invention;
fig. 2 is a schematic view of a connecting assembly in a prestressed anchor rod stress monitoring device according to the present invention;
fig. 3 is a schematic view of an anchor rod body in the prestressed anchor rod stress monitoring device of the present invention;
fig. 4 is a left side view of the prestressed anchor rod stress monitoring device of the present invention.
In the figure: the anchor rod comprises an anchor rod body 1, an anchor head 11, a backing plate 12, a grout stop plug 13, a sleeve 14, a nut 15, a first gasket 16, a second gasket 17, a connecting assembly 2, a first clamping plate 21, a stress sensor 22, a second clamping plate 23, a first bolt 24, a third gasket 25, a fourth gasket 251, a second bolt 26 and a rubber ring 27.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The utility model provides a prestressed anchor rod stress monitoring device, which has the advantages that a first clamping plate and a second clamping plate are arranged on an anchor rod, a stress sensor is clamped and arranged between the first clamping plate and the second clamping plate, the anchor rod can be stably arranged, the stress sensor can be conveniently arranged and disassembled, and a nut on the anchor rod is not required to be disassembled, and please refer to fig. 1-4, comprising an anchor rod body 1, an anchor head 11 and a nut 15;
The connecting assembly 2 comprises a first clamping plate 21 and a second clamping plate 23, the first clamping plate 21 and the second clamping plate 23 are respectively inserted into the outer wall of the anchor rod body 1, the first clamping plate 21 and the second clamping plate 23 are used for clamping the stress sensor 22, the stress sensor 22 is clamped at the inner side of the lower end of the first clamping plate 21 and the inner side of the lower end of the second clamping plate 23, the first clamping plate 21 and the second clamping plate 23 are clamped by the stress sensor 22 and then are subjected to clamping force of the first clamping plate 21 and the second clamping plate 23, so that the stress monitoring effect on the anchor rod body 1 is achieved, a first bolt 24 is installed on the inner wall of the first clamping plate 21 and the inner wall of the second clamping plate 23, the first bolt 24 is used for supporting the installation effect of the stress sensor 22, the first bolt 24 penetrates through the stress sensor 22, the outer wall of the first bolt 24 is respectively sleeved with a third gasket 25 and a fourth gasket 251, and the third gasket 25 and the fourth gasket 251 are used for increasing the installation stability effect of the stress sensor 22, the third gasket 25 is arranged at the left end of the stress sensor 22, the fourth gasket 251 is arranged at the right end of the stress sensor 22, the rubber ring 27 is clamped at the inner sides of the upper ends of the first clamping plate 21 and the second clamping plate 23, the rubber ring 27 is used for increasing the stability of the upper ends of the first clamping plate 21 and the second clamping plate 23, the second bolt 26 is installed on the inner wall of the upper ends of the first clamping plate 21 and the second clamping plate 23, the second bolt 26 penetrates through the rubber ring 27, the second bolt 26 is used for supporting the installation effect of the rubber ring 27, the stress sensor 22 is installed between the first clamping plate 21 and the second clamping plate 23 in a clamping mode by installing the first clamping plate 21 and the second clamping plate 23 on the anchor rod body 1, the anchor rod body 1 can be installed stably, meanwhile, the installation and the disassembly of the stress sensor 22 are also convenient, and the installation can be completed without disassembling the nut 15 on the anchor rod body 1.
The outer wall of the anchor rod body 1 is sleeved into the sleeve 14, the sleeve 14 is elastic and can be compressed, the effect of protecting the stress sensor 22 is achieved, the first clamping plate 21 and the second clamping plate 23 are reset, the sleeve 14 is clamped between the first clamping plate 21 and the second clamping plate 23, the outer wall of the anchor rod body 1 is further sleeved with a first gasket 16 and a second gasket 17 respectively, the first gasket 16 and the second gasket 17 are used for increasing the installation stability of the sleeve 14, the first gasket 16 is arranged at the left end of the sleeve 14, the second gasket 17 is arranged at the right end of the sleeve 14, the outer wall of the anchor rod body 1 is sleeved with a grout stopping plug 13 and a backing plate 12 respectively, the grout stopping plug 13 is tightly attached to the right side of the first clamping plate 21, grouting pressure is kept in the grouting process, the grout stopping plug 13 enables grout to be fully filled into a surrounding rock gap, the backing plate 12 is tightly attached to the right end of the grout stopping plug 13, and the backing plate 12 is used for bearing large surrounding rock stress.
When the anchor rod is used specifically, the anchor head 11 is installed at the right end of the anchor rod body 1, the nut 15 is installed on the outer wall of the left end of the anchor rod body 1 in a threaded manner, the first clamping plate 21 and the second clamping plate 23 are respectively inserted into the outer wall of the anchor rod body 1, the stress sensor 22 is clamped on the inner sides of the lower ends of the first clamping plate 21 and the second clamping plate 23, the first bolt 24 is installed on the inner wall of the first clamping plate 21 and the inner wall of the second clamping plate 23, the first bolt 24 penetrates through the stress sensor 22, the outer wall of the first bolt 24 is respectively sleeved into the third gasket 25 and the fourth gasket 251, the third gasket 25 is arranged at the left end of the stress sensor 22, the fourth gasket 251 is arranged at the right end of the stress sensor 22, the inner sides of the upper ends of the first clamping plate 21 and the second clamping plate 23 are respectively clamped into the rubber ring 27, the second bolt 26 penetrates through the rubber ring 27, the outer wall of the anchor rod body 1 is sleeved into the sleeve 14, the sleeve 14 is clamped between a first clamping plate 21 and a second clamping plate 23, the outer wall of the anchor rod body 1 is respectively sleeved with a first gasket 16 and a second gasket 17, the first gasket 16 is arranged at the left end of the sleeve 14, the second gasket 17 is arranged at the right end of the sleeve 14, the outer wall of the anchor rod body 1 is respectively sleeved with a grout stop plug 13 and a backing plate 12, the grout stop plug 13 is tightly attached to the right side of the first clamping plate 21, the backing plate 12 is tightly attached to the right end of the grout stop plug 13, the first clamping plate 21 and the second clamping plate 23 are installed on the anchor rod body 1, the stress sensor 22 is clamped and installed between the first clamping plate 21 and the second clamping plate 23, the anchor rod body 1 can be stably installed, the stress sensor 22 can be conveniently installed and detached, the installation can be completed without disassembling a nut 15 on the anchor rod body 1, when the stress on the anchor rod body 1 is changed, the backing plate 12 and the grout stop plug 13 extrude the first clamping plate 21, and the first clamping plate 21 extrudes the stress sensor 22, the stress on the bolt body 1 is monitored by a stress sensor 22.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The utility model provides a prestressed anchorage pole stress monitoring devices, includes the stock body (1), anchor head (11) and nut (15), the right-hand member in the stock body (1) is installed in anchor head (11), the left end outer wall in the stock body (1) is installed to nut (15) screw thread, its characterized in that still includes:
the sensor is convenient to be assembled and disassembled, and the connecting assembly (2) is installed on the anchor rod body (1).
2. The prestressed anchor rod stress monitoring device according to claim 1, wherein the connecting assembly (2) comprises a first clamping plate (21) and a second clamping plate (23), and the first clamping plate (21) and the second clamping plate (23) are respectively inserted into the outer wall of the anchor rod body (1).
3. The prestressed anchor rod stress monitoring device of claim 2, wherein the first clamping plate (21) and the second clamping plate (23) clamp the stress sensor (22) at the inner side of the lower ends thereof, and the first bolt (24) is mounted on the inner walls of the first clamping plate (21) and the second clamping plate (23), and the first bolt (24) penetrates through the stress sensor (22).
4. The prestressed anchor rod stress monitoring device according to claim 3, wherein the first bolt (24) is sleeved with a third gasket (25) and a fourth gasket (251) on the outer wall, the third gasket (25) is arranged at the left end of the stress sensor (22), and the fourth gasket (251) is arranged at the right end of the stress sensor (22).
5. The prestressed anchor rod stress monitoring device of claim 2, wherein the first clamping plate (21) and the second clamping plate (23) clamp a rubber ring (27) at the inner side of the upper end, and a second bolt (26) is mounted on the inner wall of the upper end of the first clamping plate (21) and the second clamping plate (23), and the second bolt (26) penetrates through the rubber ring (27).
6. A prestressed anchorage stress monitoring device according to claim 1, characterized in that the outer wall of the anchorage body (1) is sleeved with a sleeve (14), and the sleeve (14) is clamped between a first clamping plate (21) and a second clamping plate (23).
7. The prestressed anchor stress monitoring device of claim 1, wherein a first spacer (16) and a second spacer (17) are respectively sleeved on the outer wall of the anchor body (1), the first spacer (16) is arranged at the left end of the sleeve (14), and the second spacer (17) is arranged at the right end of the sleeve (14).
8. The prestressed anchor stress monitoring device according to claim 1, wherein a grout stop plug (13) and a backing plate (12) are respectively sleeved on the outer wall of the anchor rod body (1), the grout stop plug (13) clings to the right side of the first clamping plate (21), and the backing plate (12) clings to the right end of the grout stop plug (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222806627.9U CN218674022U (en) | 2022-10-25 | 2022-10-25 | Prestressed anchor rod stress monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222806627.9U CN218674022U (en) | 2022-10-25 | 2022-10-25 | Prestressed anchor rod stress monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218674022U true CN218674022U (en) | 2023-03-21 |
Family
ID=85563634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222806627.9U Active CN218674022U (en) | 2022-10-25 | 2022-10-25 | Prestressed anchor rod stress monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218674022U (en) |
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2022
- 2022-10-25 CN CN202222806627.9U patent/CN218674022U/en active Active
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