CN218211243U - Device for monitoring internal displacement of surrounding rock - Google Patents
Device for monitoring internal displacement of surrounding rock Download PDFInfo
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- CN218211243U CN218211243U CN202222196797.XU CN202222196797U CN218211243U CN 218211243 U CN218211243 U CN 218211243U CN 202222196797 U CN202222196797 U CN 202222196797U CN 218211243 U CN218211243 U CN 218211243U
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Abstract
The application discloses a device for monitoring inside displacement of country rock, it include the mount pad, set up in displacement sensor on the mount pad and with displacement sensor's pull rod fixed connection's measuring staff, still include with the stock of the coaxial setting of measuring staff with be used for with the stock ann tear open in the coupling mechanism of measuring staff. This application has and makes measuring staff and displacement sensor be used for the effect to the monitoring of other positions country rock displacements after once monitoring is accomplished.
Description
Technical Field
The application relates to a country rock detection device field especially relates to a device for monitoring inside displacement of country rock.
Background
The surrounding rock monitoring is to adopt various measuring instruments to measure the surrounding rocks and the supporting structure in order to know the mechanical properties of the rocks of the surrounding rocks of the tunnel under construction or already operated and the stress state of the supporting structure and keep the safety of construction and engineering.
Chinese patent with application number CN201920470421.9 among the correlation technique, a tunnel engineering country rock internal displacement monitoring device is proposed, including guard shield and mounting base, mounting base one end threaded connection has the guard shield, mounting base's other end welding has the sensor pipe, the inside of guard shield is provided with wireless transmitter, the inside of sensor pipe is provided with displacement sensor, the one end that mounting base was kept away from to the sensor pipe is provided with the pillar connecting seat, the inside of pillar connecting seat is provided with the measuring staff, the one end of measuring staff passes through sensor pull rod and displacement sensor fixed connection, the other end welding of measuring staff has the anchor head. When the measured structure object is deformed by displacement, the measuring rod is driven to move through the anchor head, the measuring rod can pull the displacement sensor pull rod on the displacement sensor to deform, and the displacement sensor pull rod deforms, so that the displacement sensor can calculate the deformation of the measured structure object, the detection precision is high, and the measurement is convenient.
During the use, at first inlay this inside displacement monitoring devices of tunnel engineering country rock and establish in the hole that tunnel engineering country rock was seted up, it is fixed to be in the grout, fix mounting base bolt on the outer table wall of tunnel engineering country rock, then the power cable with connecting on the mounting base connects good outward the power, alright with having used, during the use, when being surveyed the structure object and taking place the displacement deformation, will drive the measuring staff through the anchor head and remove, the measuring staff can stimulate the displacement sensor pull rod on the displacement sensor to take place to warp, the displacement sensor pull rod warp, thereby displacement sensor can calculate the deflection of being surveyed the structure object, thereby realize the inside displacement monitoring of tunnel engineering country rock, whole device is complete to be operated.
In view of the above-mentioned related art, the inventors found that the following drawbacks exist: when the related technology is used, firstly, a hole is drilled in surrounding rock, then the anchor head is stretched into the drilled hole, and the anchor head and the surrounding rock are fixed in a grouting mode, so that the surrounding rock on the periphery of the anchor head is displaced to drive the anchor head to move, further drive a pull rod of a displacement sensor to move, and monitor the moving distance of the pull rod through the displacement sensor; however, the anchor head and the measuring rod in the related art are welded and fixed, so that after the displacement monitoring of the surrounding rock at the position is completed, the anchor head and the measuring rod which are poured into the surrounding rock into a whole are difficult to separate, and the measuring rod and the displacement sensor fixedly connected with the other end of the measuring rod are difficult to be repeatedly used for the displacement monitoring of the surrounding rock at other positions.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem that is difficult to be used for the surrounding rock displacement monitoring of other positions with stock welded measuring staff, this application provides a device for monitoring the inside displacement of surrounding rock.
The application provides a device for monitoring inside displacement of country rock adopts following technical scheme:
the utility model provides a device for inside displacement of monitoring country rock, include the mount pad, set up in displacement sensor on the mount pad and with displacement sensor's pull rod fixed connection's measuring staff, still include with the stock of the coaxial setting of measuring staff with be used for with the stock ann tear open in the coupling mechanism of measuring staff.
By adopting the technical scheme, the connecting mechanism is used for connecting/separating the anchor rod and the measuring rod, so that after the anchor rod is connected with the measuring rod through the connecting mechanism, the anchor rod can drive the measuring rod and the pull rod of the displacement sensor to move when moving along with the surrounding rock, and the anchor rod is used for monitoring the displacement of the surrounding rock; after the anchor rod is separated from the measuring rod through the connecting mechanism, the measuring rod is connected to anchor rods at other positions, and the measuring rod and the displacement sensor can be used for monitoring the displacement of surrounding rocks at other positions; furthermore, the measuring rod and the anchor rod are separated, so that workers can conveniently fix the anchor rod in the surrounding rock in a grouting mode, the measuring rod is connected with the anchor rod after the anchor rod is fixed in the surrounding rock, and the whole installation of the surrounding rock monitoring equipment is more convenient.
It is optional, the cambered surface lateral wall of measuring staff is close to first location annular has been seted up along its circumference to the one end of stock, the cambered surface lateral wall of stock is close to the one end of measuring staff has seted up the second location annular along its circumference, coupling mechanism is including connecting the staple bolt, the inner wall of connecting the staple bolt around its length direction rigid coupling have with the first sand grip of first location annular grafting adaptation, the inner wall of connecting the staple bolt around its length direction still the rigid coupling have with the second sand grip of second location annular grafting adaptation, first sand grip with the second sand grip sets up along its width direction interval, coupling mechanism still including be used for with the locking subassembly of two free end locking of connecting the staple bolt.
By adopting the technical scheme, after the two mutually close ends of the measuring rod and the anchor rod are coaxially abutted, the connecting hoop is sleeved at the joint of the measuring rod and the anchor rod, the first convex strip is embedded into the first positioning ring groove, the second convex strip is embedded into the second positioning ring groove, and finally the two free ends of the connecting hoop are driven to be mutually abutted through the locking assembly, so that the connecting hoop can be jointly locked on the measuring rod and the anchor rod and the measuring rod is connected with the anchor rod; and after the two free ends of the connecting anchor ear are loosened and the first convex strip and the second convex strip are separated from the first positioning ring groove and the second positioning ring groove, the connecting anchor ear is slid to the measuring rod, and the measuring rod and the anchor rod can be separated.
Optionally, the locking assembly includes a connecting rod passing through two free ends of the connecting hoop, one end of the connecting rod is fixedly connected with an anti-falling block, the other end of the connecting rod is rotatably connected with a cam, and the rotation axis direction of the cam is perpendicular to the axial direction of the connecting rod;
when the cam rotates to enable the long shaft end of the cam to be abutted against the free end of the connecting hoop, the two free ends of the connecting hoop abut against each other tightly.
By adopting the technical scheme, after the connecting hoop is moved and the first convex strip is embedded into the first positioning ring groove and the second convex strip is embedded into the second positioning ring groove, the cam is rotated to enable the long shaft end of the cam to be tightly abutted against the connecting hoop, so that two free ends of the hoop can be driven to be tightly abutted against each other, the connecting hoop is jointly locked on the measuring rod and the anchor rod, and the measuring rod is connected with the anchor rod; the cam is rotated to ensure that the long shaft end of the cam is not abutted with the connecting hoop, and then the two free ends of the hoop can be loosened.
Optionally, a handle is fixedly connected to the cam.
Through adopting above-mentioned technical scheme, the staff of being convenient for of handle rotates the cam.
Optionally, the outer side wall of the connecting hoop is provided with an embedded groove which is in plug-in fit with the long shaft end of the cam.
Through adopting above-mentioned technical scheme, when the major axis end of cam rotated to support tightly in connecting the staple bolt, the major axis end of cam imbeds the caulking groove just in, can fix a position the rotation degree of the long axle end of cam through the caulking groove, avoids the cam excessively to rotate.
Optionally, the bottom wall of the caulking groove is provided with anti-slip lines.
Through adopting above-mentioned technical scheme, the anti-skidding line can increase the frictional force between cam long shaft end and the scarf groove bottom wall, and then avoids the cam not to rotate to a certain extent.
Optionally, the bottom walls of the first positioning ring groove and the second positioning ring groove are provided with elastic buffer layers.
Through adopting above-mentioned technical scheme, first sand grip supports tightly in first positioning ring groove diapire, when the second sand grip supports tightly in second positioning ring groove diapire, certain deformation takes place for the elastic buffer layer, and then improves the tight degree of supporting of first sand grip and measuring staff, second sand grip and stock, and the measuring staff, stock and the connection of connecting the staple bolt that are inseparabler.
Optionally, the locking assembly comprises a locking bolt and a locking nut, the locking bolt penetrates through the two free ends of the connecting hoop, and the locking nut is in threaded connection with the small end of the locking bolt.
By adopting the technical scheme, the two free ends of the connecting hoop can be driven to mutually abut tightly by screwing the locking nut, and then the measuring rod is connected with the anchor rod; the two free ends of connecting the staple bolt can be separated by unscrewing the locking nut, and the measuring rod is detached.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the connecting mechanism is used for connecting/separating the anchor rod and the measuring rod, so that after the anchor rod is connected with the measuring rod through the connecting mechanism, the anchor rod can drive the measuring rod and the pull rod of the displacement sensor to move when moving along with the surrounding rock, and the anchor rod is used for monitoring the displacement of the surrounding rock; after the anchor rod is separated from the measuring rod through the connecting mechanism, the measuring rod is connected to the anchor rods at other positions, and the measuring rod and the displacement sensor can be used for monitoring the displacement of the surrounding rock at other positions; furthermore, the separated measuring rod and the anchor rod are convenient for workers to fix the anchor rod in surrounding rocks in a grouting mode, and the measuring rod is connected with the anchor rod after the anchor rod is fixed in the surrounding rocks, so that the whole surrounding rock monitoring equipment is more convenient to install;
2. after the connecting anchor ear is moved and the first convex strip is embedded into the first positioning ring groove and the second convex strip is embedded into the second positioning ring groove, the cam is rotated to enable the long shaft end of the cam to be tightly abutted against the connecting anchor ear, so that two free ends of the anchor ear can be driven to be tightly abutted against each other, the connecting anchor ear is locked on the measuring rod and the anchor rod together, and the measuring rod is connected with the anchor rod; the cam is rotated to ensure that the long shaft end of the cam is not abutted to the connecting hoop, and then the two free ends of the hoop can be loosened;
3. screwing the locking nut can drive the two free ends of the connecting hoop to abut against each other, so that the measuring rod is connected with the anchor rod; the two free ends of the hoop can be connected in a separated mode by unscrewing the locking nut, and the measuring rod is detached.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic structural diagram mainly used for showing a connection mechanism in an embodiment of the application.
Fig. 3 is a schematic structural diagram mainly used for showing a locking assembly in another embodiment.
Reference numerals: 11. a mounting seat; 12. a displacement sensor; 13. a measuring rod; 14. an anchor rod; 2. a connecting mechanism; 21. a first positioning ring groove; 22. a second positioning ring groove; 23. a first rib; 24. a second convex strip; 25. a locking assembly; 251. a cam; 252. a connecting rod; 253. an anti-drop block; 254. a handle; 255. caulking grooves; 256. locking the bolt; 257. a lock nut; 26. and connecting the anchor ear.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a device for monitoring internal displacement of country rock. Referring to fig. 1, a device for monitoring inside displacement of country rock includes mount pad 11, sets up displacement sensor 12 on mount pad 11, and displacement sensor 12 is provided with threely along the width direction interval of mount pad 11, and coaxial rigid coupling has measuring staff 13 on displacement sensor 12's the pull rod, and measuring staff 13 keeps away from the one end releasable connection of pull rod and is used for with the fixed stock 14 of country rock.
Referring to fig. 2, the measuring rod 13 is further provided with a connecting mechanism 2 for attaching and detaching the anchor rod 14 to the measuring rod 13. When monitoring the displacement volume of country rock, earlier be fixed in the country rock department that awaits measuring with stock 14 grout, rethread coupling mechanism 2 is with stock 14 and measuring staff 13 fixed connection, and the country rock displacement can drive the pull rod removal of stock 14, measuring staff 13 and displacement sensor 12 in proper order this moment, monitors the displacement volume of country rock through displacement sensor 12.
Specifically, the outer side wall of the arc surface of the measuring rod 13 is provided with a first positioning ring groove 21 along the circumferential direction at one end of the outer side wall close to the anchor rod 14, the outer side wall of the arc surface of the anchor rod 14 is provided with a second positioning ring groove 22 along the circumferential direction at one end of the outer side wall close to the measuring rod 13, and the connecting mechanism 2 comprises a connecting hoop 26.
Referring to fig. 2, the inner side wall of the connecting hoop 26 is fixedly connected with a first protruding strip 23 and a second protruding strip 24 at intervals, the first protruding strip 23 and the second protruding strip 24 are both arranged to extend along the length direction of the connecting hoop 26, the first protruding strip 23 is in insertion fit with the first positioning ring groove 21, and the second protruding strip 24 is in insertion fit with the second positioning ring groove 22.
Make measuring staff 13 and stock 14 be close to the back each other, will connect staple bolt 26 and encircle in the junction of measuring staff 13 and stock 14, and make first sand grip 23 embedding first positioning ring groove 21, second sand grip 24 embedding second positioning ring groove 22, so set up the back, only need lock two free ends of staple bolt each other, can lock the staple bolt on measuring staff 13 and stock 14 simultaneously, simultaneously because the restriction of first sand grip 23 and second sand grip 24, make measuring staff 13 and stock 14 be difficult to produce along its axial relative movement, and then be connected measuring staff 13 and stock 14.
Therefore, the connecting hoop 26 is further provided with a locking assembly 25 for locking the two free ends of the connecting hoop 26, and with reference to fig. 2, in the embodiment of the present application, the locking assembly 25 includes a connecting rod 252 commonly passing through the two free ends of the connecting hoop, one end of the connecting rod 252 is fixedly connected with an anti-dropping block 253, and the axial direction of the connecting rod 252 is perpendicular to the plate surface direction of the connecting hoop 26.
The connecting rod 252 has one end fixedly connected with the anti-falling block 253 abutting against one free end of the connecting hoop 26, and the other end of the connecting rod 252 extends out of the other free end of the connecting hoop 26 and is rotatably connected with the cams 251, specifically, two cams 251 are disposed on two opposite sides of the connecting rod 252, the end faces of the two cams 251 are connected through a rotating shaft, the rotating shaft penetrates through and is rotatably connected to the connecting rod 252, and the axial direction of the rotating shaft is perpendicular to the axial direction of the connecting rod 252.
The end parts of the two cams 251 are fixedly connected with a handle 254 which is convenient for the cams 251 to rotate, when the long shaft end of the cam 251 rotates to be abutted against the connecting hoop 26, the two free ends of the connecting hoop 26 are abutted against the anti-falling block 253, the connecting hoop 26 is locked on the measuring rod 13 and the anchor rod 14, and the measuring rod 13 and the anchor rod 14 are coaxially and fixedly connected for monitoring the surrounding rock; the rotating cam 251 separates the long shaft end of the cam 251 from the connecting hoop 26, so that the connecting hoop 26 can be loosened until the first protruding strip 23 and the second protruding strip 24 are respectively separated from the first positioning ring groove 21 and the second positioning ring groove 22, and then the connecting hoop 26 is slid on the measuring rod 13, so that the measuring rod 13 and the anchor rod 14 can be separated, and the measuring rod 13 and the displacement sensor 12 are used for monitoring surrounding rocks at other positions.
Furthermore, the connecting hoop 26 is provided with two caulking grooves 255 which are in plug fit with the long axis end of the cam 251, when the long axis end of the cam 251 rotates to abut against the connecting hoop 26, the long axis end of the cam 251 is embedded into the caulking grooves 255, and meanwhile, the bottom wall of the caulking grooves 255 is also provided with anti-skid threads (not shown in the figure); the rotation degree of the long shaft end of the cam 251 can be positioned through the embedded groove 255, excessive rotation of the cam 251 is avoided, and the long shaft end of the cam 251 can be conveniently kept in the embedded groove 255 through the anti-slip threads.
Meanwhile, the bottom walls of the first positioning ring groove 21 and the second positioning ring groove 22 are provided with elastic buffer layers (not shown in the figure), the elastic buffer layers can be rubber layers, silica gel and the like, two free ends of the connecting hoop 26 are tightly abutted in the protruding mode, namely the first convex strip 23 and the second convex strip 24 are tightly abutted to the first positioning ring groove 21 and the bottom wall of the second positioning ring groove 22, the elastic buffer layers can deform to a certain extent, the connection hoop 26 and the measuring rod 13 are further improved, the abutting degree of the anchor rod 14 is further improved, and the measuring rod 13 is further stably connected with the anchor rod 14.
In other possible embodiments, referring to fig. 3, the locking assembly 25 includes a locking bolt 256 and a locking nut 257 in threaded fit with the locking bolt 256, after the locking bolt 256 is commonly inserted into the two free ends of the connecting hoop 26, the locking nut 257 is screwed to drive the two free ends of the connecting hoop 26 and the large end of the locking bolt 256 to abut against each other, so that the connecting hoop 26 can be locked to the measuring rod 13 and the anchor rod 14, and the measuring rod 13 and the anchor rod 14 are connected.
The implementation principle of the device for monitoring the internal displacement of the surrounding rock is as follows: when the displacement of the surrounding rock is monitored, the anchor rod 14 is grouted and fixed in the surrounding rock, the connecting hoop 26 is sleeved on the measuring rod 13, the measuring rod 13 is abutted against the anchor rod 14, the hoop 26 is connected in a sliding mode, the first convex strips 23 and the second convex strips 24 are embedded into the first positioning ring groove 21 and the second positioning ring groove 22 in a one-to-one correspondence mode, the connecting hoop 26 can be locked on the measuring rod 13 and the anchor rod 14 after the long shaft end of the cam 251 is abutted against the connecting hoop 26 by rotating the cam 251, the measuring rod 13 is connected with the anchor rod 14, the displacement of the surrounding rock drives the anchor rod 14, the measuring rod 13 and a pull rod of the displacement sensor 12 to move sequentially, and the displacement of the surrounding rock is monitored through the displacement sensor 12;
the connecting hoop 26 can be connected in a mode that the long shaft end of the cam 251 is separated from the connecting hoop 26 by rotating the cam 251, the connecting hoop 26 slides to the measuring rod 13, the measuring rod 13 and the anchor rod 14 can be separated, and the measuring rod 13 and the displacement sensor 12 are used for monitoring surrounding rocks at other positions.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a device for monitoring inside displacement of country rock, include mount pad (11), set up in displacement sensor (12) on mount pad (11) and with displacement sensor (12)'s pull rod fixed connection's measuring staff (13), its characterized in that: the measuring rod (13) is coaxially arranged on the measuring rod (14), and the connecting mechanism (2) is used for mounting and dismounting the measuring rod (13) to and from the anchor rod (14).
2. A device for monitoring displacement within a surrounding rock according to claim 1, wherein: the cambered surface lateral wall of measuring staff (13) is close to first positioning ring groove (21) have been seted up along its circumference to the one end of stock (14), the cambered surface lateral wall of stock (14) is close to the one end of measuring staff (13) has seted up second positioning ring groove (22) along its circumference, coupling mechanism (2) are including connecting staple bolt (26), the inner wall of connecting staple bolt (26) have around its length direction rigid coupling with first sand grip (23) of first positioning ring groove (21) grafting adaptation, the inner wall of connecting staple bolt (26) have around its length direction still rigid coupling with second sand grip (24) of second positioning ring groove (22) grafting adaptation, first sand grip (23) with second sand grip (24) set up along its width direction interval, coupling mechanism (2) still including be used for with locking subassembly (25) of two free end locks of connecting staple bolt (26).
3. A device for monitoring displacement within a surrounding rock according to claim 2, wherein: the locking assembly (25) comprises a connecting rod (252) which is commonly arranged at two free ends of the connecting hoop (26) in a penetrating mode, one end of the connecting rod (252) is fixedly connected with an anti-falling block (253), the other end of the connecting rod (252) is rotatably connected with a cam (251), and the rotating axis direction of the cam (251) is perpendicular to the axial direction of the connecting rod (252);
when the cam (251) rotates to the position that the long shaft end of the cam is abutted to the free end of the connecting hoop (26), the two free ends of the connecting hoop (26) are abutted to each other.
4. A device for monitoring displacement within a surrounding rock according to claim 3, wherein: a handle (254) is fixedly connected to the cam (251).
5. A device for monitoring displacement within a surrounding rock according to claim 3, wherein: the outer side wall of the connecting hoop (26) is provided with a caulking groove (255) which is in plug-in fit with the long shaft end of the cam (251).
6. A device for monitoring displacement within a surrounding rock according to claim 5, wherein: the bottom wall of the embedded groove (255) is provided with anti-skid grains.
7. A device for monitoring displacement within a surrounding rock according to claim 3, wherein: the bottom walls of the first positioning ring groove (21) and the second positioning ring groove (22) are provided with elastic buffer layers.
8. A device for monitoring displacement within a surrounding rock according to claim 2, wherein: the locking assembly (25) comprises a locking bolt (256) and a locking nut (257), the locking bolt (256) and the locking nut are arranged at two free ends of the connecting hoop (26) in a penetrating mode, and the locking nut is connected to the small end of the locking bolt (256) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222196797.XU CN218211243U (en) | 2022-08-20 | 2022-08-20 | Device for monitoring internal displacement of surrounding rock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222196797.XU CN218211243U (en) | 2022-08-20 | 2022-08-20 | Device for monitoring internal displacement of surrounding rock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218211243U true CN218211243U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222196797.XU Active CN218211243U (en) | 2022-08-20 | 2022-08-20 | Device for monitoring internal displacement of surrounding rock |
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| Country | Link |
|---|---|
| CN (1) | CN218211243U (en) |
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2022
- 2022-08-20 CN CN202222196797.XU patent/CN218211243U/en active Active
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