CN108895286B - Tunnel monitoring sensor safety cover with fixing device - Google Patents
Tunnel monitoring sensor safety cover with fixing device Download PDFInfo
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- CN108895286B CN108895286B CN201810804432.6A CN201810804432A CN108895286B CN 108895286 B CN108895286 B CN 108895286B CN 201810804432 A CN201810804432 A CN 201810804432A CN 108895286 B CN108895286 B CN 108895286B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 43
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 230000000903 blocking effect Effects 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 7
- 239000011435 rock Substances 0.000 abstract description 21
- 239000008187 granular material Substances 0.000 abstract description 10
- 238000000151 deposition Methods 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 description 17
- 238000010276 construction Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/263—Drying gases or vapours by absorption
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geophysics And Detection Of Objects (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention relates to the technical field of a sensor fixing and protecting accessory device, in particular to a tunnel monitoring sensor protecting cover with a fixing device, which can improve the stability of a pressure box, keep the pressure box and surrounding rocks in a tight state, reduce the influence of the existence of a gap on the overall safety and stability of a tunnel, reduce the influence of moisture in the tunnel on the pressure box and improve the use reliability; the clamp plate comprises a square steel plate, a group of butterfly-shaped anchor bolts, a group of fixing springs, a fixing seat, a group of limiting springs and a group of clamp plates, wherein the right ends of the group of butterfly-shaped anchor bolts are in a sharp-pointed shape; still including keeping off lid, filter screen, a set of communicating pipe and a set of transparent receiving flask, the inside left half regional of fixing base is provided with deposits the chamber to fill at the intracavity of depositing of fixing base and be provided with anhydrous calcium chloride granule, the left half regional of fixing base bottom is provided with a set of liquid hole, is provided with corresponding internal thread and external screw thread on a set of liquid hole department and a set of communicating pipe outer wall respectively.
Description
Technical Field
The invention relates to the technical field of sensor fixing and protecting auxiliary devices, in particular to a tunnel monitoring sensor protecting cover with a fixing device.
Background
It is known that in the construction of a tunnel, in order to ensure the safety and stability of the tunnel in the construction process, various sensors, such as a soil pressure cell, a reinforcing bar meter, a concrete strain gauge and the like, need to be installed inside the surrounding rock of the tunnel or on the surface of a lining, and all the instruments are precise instruments, although the instruments are protected by a rigid membrane, due to the severe field conditions and the complexity of the environment, the installed instruments can be damaged to different degrees, so that the field detection cannot last for a long time, and the tunnel construction is uninterrupted construction for 24 hours in a bench, and once the instruments are damaged, the damage cannot be compensated, so that the field monitoring is greatly disturbed. The existing installation method commonly used on site is to embed the pressure box in the gap between the surrounding rock and the steel arch frame, so that the stability of the pressure box is greatly reduced, the pressure box and the surrounding rock cannot be kept in a tight state, the influence on the whole safety and stability of the tunnel is increased due to the existence of the gap, and meanwhile, the pressure box is easily influenced by moisture in the tunnel, and the use reliability is poor, so that the development of a novel sensor protection device is very necessary.
Disclosure of Invention
In order to solve the technical problems, the invention provides the tunnel monitoring sensor protective cover with the fixing device, which can improve the stability of the pressure box, keep the pressure box and the surrounding rock in a tight state, reduce the influence of the existence of gaps on the overall safety and stability of the tunnel, reduce the influence of moisture in the tunnel on the pressure box and improve the use reliability.
The invention discloses a tunnel monitoring sensor protection cover with a fixing device, which comprises a square steel plate, a group of butterfly anchors, a group of fixing springs, a fixed seat, a group of limiting springs and a group of clamping plates, wherein the front end and the rear end of the upper half area and the lower half area of the square steel plate are respectively provided with a group of fixing holes; still include fender lid, filter screen, a set of communicating pipe and a set of transparent receiving bottle, the inside left half regional of fixing base is provided with deposits the chamber to be provided with the feed inlet at the left half regional of fixing base top, the feed inlet with deposit the chamber intercommunication, the fender lid is installed in feed inlet department to keep covering and be provided with a set of through-hole, the filter screen is placed in and is deposited chamber department bottom to it is provided with anhydrous calcium chloride granule to fill at the intracavity of depositing of fixing base, the fixing base bottom left half regional is provided with a set of liquid hole, be provided with a set of receiving chamber in a set of transparent receiving bottle respectively, a set of communicating pipe bottom communicates with a set of transparent receiving bottle top respectively to be provided with corresponding internal thread and external screw thread on a set of liquid hole department and a set of communicating pipe outer wall respectively, a set of communicating pipe inserts respectively.
The tunnel monitoring sensor protective cover with the fixing device further comprises a group of limiting rods and a limiting plate, a group of limiting holes are formed in the square steel plate, the right ends of the group of limiting rods respectively penetrate through the group of limiting holes and are connected with the left side wall of the fixing seat, the right half areas of the group of limiting rods are respectively located inside the group of fixing springs, and the limiting plate is installed at the left end of the group of limiting rods.
The tunnel monitoring sensor protective cover with the fixing device further comprises a group of first balls, a group of first grooves are formed in a group of limiting holes of the square steel plate respectively, the group of first balls are located in the group of first grooves respectively, and the group of first balls are in contact with the outer wall of the group of limiting rods respectively.
The tunnel monitoring sensor protection cover with the fixing device further comprises a cushion pad, and the cushion pad is mounted on the left side wall in the placing groove of the fixing seat.
The tunnel monitoring sensor protective cover with the fixing device further comprises a group of movable handles, and the movable handles are respectively arranged in the front half area and the rear half area of the top of the blocking cover.
The tunnel monitoring sensor protection cover with the fixing device further comprises a group of pull rods and a group of pull plates, wherein a group of drawing holes are formed in the right half area of the top, the bottom, the front side wall and the rear side wall of the fixing seat respectively, one end of each group of pull rods penetrates through the group of drawing holes respectively and is connected with the group of clamping plates, and the group of pull plates are installed at the other end of each group of pull rods respectively.
The tunnel monitoring sensor protective cover with the fixing device further comprises a group of second balls, a group of second grooves are formed in the group of drawing holes of the fixing seat respectively, the group of second balls are located in the group of second grooves respectively, and the group of second balls are in contact with the outer wall of the group of pull rods respectively.
The tunnel monitoring sensor protective cover with the fixing device further comprises an indicating rod, an upper stop block and a lower stop block, wherein a moving hole is formed in the central area of the stop cover, the bottom end of the indicating rod penetrates through the moving hole and extends into the storage cavity, and the upper stop block and the lower stop block are respectively installed at the top end and the bottom end of the indicating rod.
The tunnel monitoring sensor protective cover with the fixing device further comprises a sealing ring, wherein the sealing ring is arranged at the position of the feeding port and is in contact with the blocking cover.
The tunnel monitoring sensor protection cover with the fixing device further comprises a group of connecting ropes and a group of fixing rings, wherein the group of fixing rings are respectively arranged at the left ends of the group of butterfly anchor bolts and the top and the bottom of the square steel plate, and the two ends of the group of connecting ropes are respectively connected with the group of fixing rings.
Compared with the prior art, the invention has the beneficial effects that: the pressure box can be firstly compressed by moving a group of clamping plates respectively, the left half area of the pressure box is placed in a fixed groove of a fixed seat, the group of clamping plates is loosened, the group of clamping plates tightly presses the pressure box under the elastic action of the group of limiting springs, so that the pressure box is initially fixed on the fixed seat, the stressed surface of the pressure box is contacted with surrounding rocks, pre-drilling is carried out at the surrounding rocks at the position where the pressure box needs to be fixed, a group of butterfly-shaped anchor bolts respectively penetrate through a group of fixed holes and are inserted into the drilled holes, a square steel plate is continuously close to the surrounding rocks, meanwhile, a group of fixing springs are compressed, the butterfly-shaped anchor bolts can not be continuously rotated, the pressure box is tightly contacted with the surrounding rocks through the elastic force of the group of fixing springs, the stability of the pressure box can be improved, the tight state between the pressure box and the surrounding rocks can be kept, and the influence of the existence of gaps, meanwhile, the blocking cover can be opened, the storage cavity is filled with anhydrous calcium chloride particles, the blocking cover is closed at the feed inlet, moisture in the air around the pressure box enters the storage cavity through the through holes and is combined with the anhydrous calcium chloride particles into an irreversible aqueous solution, the water in the air around the pressure box is absorbed through the communicating pipes in the transparent receiving bottles, and therefore the influence of moisture in the tunnel on the pressure box can be reduced, and the use reliability is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
in the drawings, the reference numbers: 1. a square steel plate; 2. a butterfly anchor bolt; 3. fixing the spring; 4. a fixed seat; 5. a limiting spring; 6. clamping a plate; 7. a blocking cover; 8. a filter screen; 9. a communicating pipe; 10. a transparent receiving bottle; 11. a limiting rod; 12. a limiting plate; 13. a first ball bearing; 14. a cushion pad; 15. moving the handle; 16. a pull rod; 17. pulling a plate; 18. a second ball bearing; 19. an indication lever; 20. a lower stop block; 21. a seal ring; 22. connecting ropes; 23. and (4) fixing the ring.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 3, the tunnel monitoring sensor protection cover with a fixing device of the invention comprises a square steel plate 1, a set of butterfly anchors 2, a set of fixing springs 3, a fixing seat 4, a set of limiting springs 5 and a set of clamping plates 6, wherein the front end and the rear end of the upper half area and the lower half area of the square steel plate are respectively provided with a set of fixing holes, the right ends of the set of butterfly anchors respectively penetrate through the set of fixing holes, the right ends of the set of butterfly anchors are all in a spine shape, the left ends and the right ends of the set of fixing springs are respectively connected with the right side wall of the square steel plate and the left side wall of the fixing seat, the right side wall of the fixing seat is provided with a fixing groove, one end of the set of limiting springs is respectively arranged on the top side wall, the; the device is characterized by further comprising a blocking cover 7, a filter screen 8, a group of communicating pipes 9 and a group of transparent receiving bottles 10, wherein a storage cavity is arranged in the left half area inside the fixing seat, a feed inlet is formed in the left half area of the top of the fixing seat and is communicated with the storage cavity, the blocking cover is installed at the feed inlet and is provided with a group of through holes, the filter screen is placed at the bottom of the storage cavity, anhydrous calcium chloride particles are filled in the storage cavity of the fixing seat, a group of liquid outlet holes are formed in the left half area of the bottom of the fixing seat, a group of receiving cavities are formed in the group of transparent receiving bottles respectively, the bottom ends of the group of communicating pipes are communicated with the tops of the group of transparent receiving bottles respectively, corresponding internal threads and external threads are formed in the group of liquid outlet holes and the; the pressure box can be firstly compressed by moving a group of clamping plates respectively, the left half area of the pressure box is placed in a fixed groove of a fixed seat, the group of clamping plates is loosened, the group of clamping plates tightly presses the pressure box under the elastic action of the group of limiting springs, so that the pressure box is initially fixed on the fixed seat, the stressed surface of the pressure box is contacted with surrounding rocks, pre-drilling is carried out at the surrounding rocks at the position where the pressure box needs to be fixed, a group of butterfly-shaped anchor bolts respectively penetrate through a group of fixed holes and are inserted into the drilled holes, a square steel plate is continuously close to the surrounding rocks, meanwhile, a group of fixing springs are compressed, the butterfly-shaped anchor bolts can not be continuously rotated, the pressure box is tightly contacted with the surrounding rocks through the elastic force of the group of fixing springs, the stability of the pressure box can be improved, the tight state between the pressure box and the surrounding rocks can be kept, and the influence of the existence of gaps, meanwhile, the blocking cover can be opened, the storage cavity is filled with anhydrous calcium chloride particles, the blocking cover is closed at the feed inlet, moisture in the air around the pressure box enters the storage cavity through the through holes and is combined with the anhydrous calcium chloride particles into an irreversible aqueous solution, the water in the air around the pressure box is absorbed through the communicating pipes in the transparent receiving bottles, and therefore the influence of moisture in the tunnel on the pressure box can be reduced, and the use reliability is improved.
The tunnel monitoring sensor protective cover with the fixing device further comprises a group of limiting rods 11 and a limiting plate 12, wherein a group of limiting holes are formed in a square steel plate, the right ends of the group of limiting rods respectively penetrate through the group of limiting holes and are connected with the left side wall of the fixing seat, the right half areas of the group of limiting rods are respectively positioned in the group of fixing springs, and the limiting plate is installed at the left end of the group of limiting rods; can be when a set of fixed spring compression with relax, move about can conveniently inject the moving direction of fixing base through a set of gag lever post in a set of spacing hole to can reduce the distortion of a set of fixed spring, and can reduce the displacement of fixing base.
The tunnel monitoring sensor protective cover with the fixing device further comprises a group of first balls 13, a group of first grooves are formed in a group of limiting holes of a square steel plate respectively, the group of first balls are located in the group of first grooves respectively, and the group of first balls are in contact with the outer wall of a group of limiting rods respectively; when the group of limiting rods moves left and right at the group of limiting holes, the friction force between the group of first limiting rods and the square steel plate is reduced through rolling of the group of first balls, and therefore the group of limiting rods can move at the group of limiting holes conveniently.
The tunnel monitoring sensor protection cover with the fixing device further comprises a cushion pad 14, wherein the cushion pad is installed on the left side wall in the placing groove of the fixing seat; can reduce the damage of fixing base to the pressure cell through the blotter to can play certain guard action to the pressure cell.
The invention relates to a tunnel monitoring sensor protective cover with a fixing device, which further comprises a group of movable handles 15, wherein the group of movable handles are respectively arranged in the front half area and the rear half area of the top of a blocking cover; the position of the blocking cover can be conveniently moved through a group of moving handles.
The tunnel monitoring sensor protection cover with the fixing device further comprises a group of pull rods 16 and a group of pull plates 17, wherein a group of drawing holes are formed in the top, the bottom, the front side wall and the right half area of the rear side wall of the fixing seat respectively, one end of each group of pull rods penetrates through the group of drawing holes respectively and is connected with the group of clamping plates, and the group of pull plates are arranged at the other end of each group of pull rods respectively; can compress a set of spacing spring when needs, can stimulate a set of arm-tie, a set of arm-tie drives the position that a set of pull rod removed a set of cardboard to can conveniently compress a set of spacing spring.
The tunnel monitoring sensor protective cover with the fixing device further comprises a group of second balls 18, a group of second grooves are formed in a group of drawing holes of the fixing seat respectively, the group of second balls are located in the group of second grooves respectively, and the group of second balls are in contact with the outer wall of the group of pull rods respectively; when the group of pull rods moves at the group of pull holes, the friction force between the group of pull rods and the fixed seat can be reduced through the rolling of the group of second balls, so that the group of pull rods can conveniently move at the group of pull holes.
The tunnel monitoring sensor protective cover with the fixing device further comprises an indicating rod 19, an upper stop block and a lower stop block 20, wherein a moving hole is formed in the central area of the stop cover, the bottom end of the indicating rod penetrates through the moving hole and extends into the storage cavity, and the upper stop block and the lower stop block are respectively installed at the top end and the bottom end of the indicating rod; can only can reciprocate at the removal hole department through last dog and lower dog messenger's instruction pole to can be when depositing the anhydrous calcium chloride granule altitude decline of intracavity, the lower dog descends along with the decline of anhydrous calcium chloride granule height together, makes the high decline of instruction pole, and the staff can be through the remaining condition of observing the anhydrous calcium chloride granule of deposit intracavity of highly judgement of last dog, so that in time to wherein add anhydrous calcium chloride granule.
The invention relates to a tunnel monitoring sensor protective cover with a fixing device, which further comprises a sealing ring 21, wherein the sealing ring is arranged at a feed inlet and is in contact with a blocking cover; the friction force between the blocking cover and the fixed seat can be increased through the sealing ring, so that the fixing capacity of the blocking cover can be improved, and the displacement of the blocking cover is reduced.
The tunnel monitoring sensor protection cover with the fixing device further comprises a group of connecting ropes 22 and a group of fixing rings 23, wherein the group of fixing rings are respectively arranged at the left ends of the group of butterfly anchor bolts and the top and the bottom of the square steel plate, and the two ends of the group of connecting ropes are respectively connected with the group of fixing rings; a set of butterfly anchor bolts and a square steel plate can be indirectly connected through a set of connecting ropes, and therefore the phenomenon that the set of butterfly anchor bolts are lost can be reduced.
The protective cover with the fixing device for the tunnel monitoring sensor can firstly compress a group of limiting springs by moving a group of clamping plates, the left half area of a pressure box is placed in a fixing groove of a fixing seat, the group of clamping plates is loosened, the group of clamping plates tightly presses the pressure box under the action of the elastic force of the group of limiting springs, so that the pressure box is preliminarily fixed on the fixing seat, the stressed surface of the pressure box is contacted with surrounding rocks, holes are pre-drilled at the surrounding rocks at the position where the pressure box needs to be fixed, a group of butterfly-shaped anchor bolts respectively penetrate through the group of fixing holes and are inserted into the holes, a square steel plate is continuously close to the surrounding rocks, the group of fixing springs are compressed, the butterfly-shaped anchor bolts can not be continuously rotated, the pressure box is tightly contacted with the surrounding rocks through the elastic force of the group of fixing springs, and the stability of the pressure box can be improved, the pressure box and the surrounding rock are kept in a tight state, the influence of the existence of a gap on the whole safety and stability of the tunnel can be reduced, the blocking cover can be opened, anhydrous calcium chloride particles are filled into the storage cavity, the blocking cover is closed at the feed inlet, moisture in the air around the pressure box enters the storage cavity through the group of through holes and is combined with the anhydrous calcium chloride particles into an irreversible aqueous solution, the aqueous solution is dripped into the group of transparent receiving bottles through the group of communicating pipes, the moisture in the air around the pressure box can be absorbed, the influence of moisture in the tunnel on the pressure box can be reduced, the use reliability is improved, the moving direction of the fixing seat can be conveniently limited by moving a group of limiting rods left and right at the group of limiting holes when the group of fixing springs are compressed and relaxed, the distortion of the group of fixing springs can be reduced, and the displacement of the fixing seat can be reduced, when a group of limiting rods move left and right at a group of limiting holes, the friction force between the group of first limiting rods and the square steel plate is reduced through the rolling of the group of first balls, so that the group of limiting rods can conveniently move at the group of limiting holes, the damage of the fixed seat to the pressure box can be reduced through the buffer cushion, a certain protection effect can be realized on the pressure box, the position of the blocking cover can be conveniently moved through the group of moving handles, a group of pulling plates can be pulled when a group of limiting springs need to be compressed, the group of pulling plates drive the group of pulling rods to move the position of the group of blocking plates, so that the group of limiting springs can be conveniently compressed, the friction force between the group of pulling rods and the fixed seat can be reduced through the rolling of the group of second balls when the group of pulling rods move at the group of pulling holes, and the group of pulling rods can conveniently move, can make the indicator bar only can reciprocate at the shift gate department through last dog and lower dog, and can be when depositing the anhydrous calcium chloride granule altitude of intracavity and descend, the lower dog descends along with the decline of anhydrous calcium chloride granule height together, make the high decline of indicator bar, the surplus condition of the anhydrous calcium chloride granule of intracavity can be deposited through the height judgement of observing last dog to the staff, so that in time to wherein add anhydrous calcium chloride granule, can increase the frictional force between fender lid and the fixing base through the sealing washer, thereby can improve the fixed ability to keeping off the lid, reduce the displacement that keeps off the lid, can be connected a set of butterfly crab-bolt and square steel plate indirectly through a set of connection rope, thereby can reduce the phenomenon that a set of butterfly crab-bolt loses.
According to the tunnel monitoring sensor protective cover with the fixing device, the filter screen can be used for reducing the phenomenon that anhydrous calcium chloride particles enter a group of transparent receiving bottles through a group of communicating pipes.
The tunnel monitoring sensor protective cover with the fixing device is required to periodically take down a group of transparent receiving bottles and pour out liquid received in the transparent receiving bottles.
According to the tunnel monitoring sensor protective cover with the fixing device, the length and width of the square steel plate are slightly larger than the diameter of the pressure box and are designed to be 12mm, and the diameter of a group of fixing holes in the square steel plate is 20 mm.
A vibrating string type pressure box is generally adopted in a tunnel construction site and used for monitoring tunnel surrounding rock pressure and contact pressure between linings.
According to the tunnel monitoring sensor protection cover with the fixing device, holes need to be drilled in advance in the embedding position of the sensor before use, the drilling depth is 80mm, and the hole diameter is 20 mm.
The butterfly anchor bolt used by the tunnel monitoring sensor protection cover with the fixing device is specially designed for facilitating hand screwing operation, the transverse stress surface is enlarged by the butterfly design of the head, so that the hand screwing is more efficient, the butterfly anchor bolt is suitable for being installed with equipment on site, and the bolt is designed to be 20mm in diameter and 80mm in length.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A tunnel monitoring sensor protection cover with a fixing device comprises a fixing seat (4) and is characterized by further comprising a square steel plate (1), a group of butterfly anchors (2), a group of fixing springs (3), a group of limiting springs (5) and a group of clamping plates (6), wherein a group of fixing holes are respectively formed in the front end and the rear end of the upper half area and the lower half area of the square steel plate (1), the right end of the group of butterfly anchors (2) respectively penetrates through the group of fixing holes, the right end of the group of butterfly anchors (2) is in a sharp-pointed shape, the left end and the right end of the group of fixing springs (3) are respectively connected with the right side wall of the square steel plate (1) and the left side wall of the fixing seat (4), a fixing groove is formed in the right side wall of the fixing seat (4), one end of the group of limiting springs (5) is respectively installed on the top side wall, the clamping plates (6) are respectively arranged at the other ends of the limiting springs (5); the device is characterized by further comprising a blocking cover (7), a filter screen (8), a group of communicating pipes (9) and a group of transparent receiving bottles (10), wherein a storage cavity is arranged in the left half area inside the fixing seat (4), a feed inlet is formed in the left half area at the top of the fixing seat (4), the feed inlet is communicated with the storage cavity, the blocking cover (7) is installed at the feed inlet, a group of through holes are formed in the blocking cover (7), the filter screen (8) is placed at the bottom of the storage cavity, anhydrous calcium chloride particles are filled in the storage cavity of the fixing seat (4), a group of liquid outlet holes are formed in the left half area at the bottom of the fixing seat (4), a group of receiving cavities are formed in the group of transparent receiving bottles (10), the bottom ends of the group of communicating pipes (9) are communicated with the tops of the group of transparent receiving bottles (10), and corresponding internal threads and external threads are formed in the group of liquid outlet holes, the group of communicating pipes (9) are respectively inserted and screwed to the group of liquid outlet holes.
2. The tunnel monitoring sensor protection cover with the fixing device according to claim 1, further comprising a set of limiting rods (11) and a set of limiting plates (12), wherein the square steel plate (1) is provided with a set of limiting holes, the right ends of the set of limiting rods (11) respectively penetrate through the set of limiting holes and are connected with the left side wall of the fixing seat (4), the right half areas of the set of limiting rods (11) are respectively located inside the set of fixing springs (3), and the limiting plates (12) are installed at the left ends of the set of limiting rods (11).
3. The tunnel monitoring sensor protection cover with the fixing device is characterized by further comprising a set of first balls (13), a set of first grooves are respectively arranged at a set of limiting holes of the square steel plate (1), the set of first balls (13) are respectively positioned in the set of first grooves, and the set of first balls (13) are respectively contacted with the outer wall of a set of limiting rods (11).
4. A tunnel monitoring sensor protection cover with fixing device according to claim 3, characterized in that, it also comprises a buffer pad (14), the buffer pad (14) is installed on the left side wall in the placement groove of the fixing seat (4).
5. A tunnel monitoring sensor protection cover with fixing device according to claim 4, characterized by further comprising a set of moving handles (15), wherein the set of moving handles (15) are respectively installed on the front half area and the rear half area of the top of the blocking cover (7).
6. The tunnel monitoring sensor protection cover with the fixing device is characterized by further comprising a set of pull rods (16) and a set of pull plates (17), wherein the right half areas of the top, the bottom, the front side wall and the rear side wall of the fixing seat (4) are respectively provided with a set of drawing holes, one end of each set of pull rods (16) respectively penetrates through the set of drawing holes and is connected with the set of clamping plates (6), and the set of pull plates (17) are respectively arranged at the other end of each set of pull rods (16).
7. The tunnel monitoring sensor protection cover with the fixing device is characterized by further comprising a set of second rolling balls (18), wherein a set of second grooves are respectively arranged at a set of drawing holes of the fixing seat (4), the set of second rolling balls (18) are respectively positioned in the set of second grooves, and the set of second rolling balls (18) are respectively contacted with the outer wall of the set of pull rods (16).
8. The tunnel monitoring sensor protection cover with the fixing device according to claim 7, further comprising an indication rod (19), an upper block and a lower block (20), wherein a moving hole is formed in the central region of the block cover (7), the bottom end of the indication rod (19) extends into the storage cavity through the moving hole, and the upper block and the lower block (20) are respectively installed at the top end and the bottom end of the indication rod (19).
9. The tunnel monitoring sensor protection cover with fixing device according to claim 8, characterized by further comprising a sealing ring (21), wherein the sealing ring (21) is installed at the feeding port, and the sealing ring (21) is in contact with the blocking cover (7).
10. The tunnel monitoring sensor protection cover with the fixing device according to claim 9, further comprising a set of connecting ropes (22) and a set of fixing rings (23), wherein the set of fixing rings (23) are respectively installed at the left end of the set of butterfly anchors (2) and the top and bottom of the square steel plate (1), and the two ends of the set of connecting ropes (22) are respectively connected with the set of fixing rings (23).
Priority Applications (1)
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| CN112595481B (en) * | 2020-12-07 | 2021-10-19 | 华亭煤业集团有限责任公司 | Roadway energy-absorbing support analog simulation experiment device |
| CN114235034A (en) * | 2021-11-29 | 2022-03-25 | 山东大学 | Auxiliary device and method for integrated measurement of tunnel surrounding rock stress and steel arch strain |
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