CN218468638U

CN218468638U - Tunnel inner wall supporting structure

Info

Publication number: CN218468638U
Application number: CN202222670801.1U
Authority: CN
Inventors: 廖威
Original assignee: Guangxi University
Current assignee: Guangxi University
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-02-10
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses a tunnel inner wall supporting structure, including base, bottom plate and support, the hydraulic stem is installed to the top inboard of base, the bottom plate is installed at the top of base, remove the top of seat and install the support, the regulation pole is installed to the inboard of support, the support section of thick bamboo is installed on the top of adjusting the pole. The utility model discloses an install on the top of adjusting the pole and support a section of thick bamboo, the cushion realizes supporting the balance of tunnel with the contact of tunnel top, the tensile length that changes anti-seismic spring according to supporting structure's bearing demand realizes the regulation to resist anti-seismic spring elasticity, excavation in-process tunnel produces when rocking that the loading board moves down and promotes the connecting rod and make the sliding block remove on the slide bar and extrude the coupling spring of both sides, coupling spring cushions the impact force on the horizontal direction, the supporting structure pressurized buckling and the structural deformation that leads to have reduced the tunnel and rock, the support intensity of supporting structure to the tunnel has been improved.

Description

Tunnel inner wall supporting structure

Technical Field

The utility model relates to a tunnel support technical field specifically is a tunnel inner wall supporting structure.

Background

With the development of infrastructure construction in China, more and more cities are put into the construction of underground rail transit, the total mileage of the urban underground rail transit breaks through the new height continuously, and the tunnel support is the most common and very important structural component in a tunnel and is mainly used for supporting communication lines, power supply equipment, lighting equipment, water supply and drainage pipelines, emergency evacuation platforms and the like in the tunnel.

The tunnel support in the prior art has the following defects:

the patent document CN215981574U is an assembled tunnel support "which includes vertical rods, both ends of the vertical rods are connected to connecting pieces pre-embedded in a tunnel; the cable clamp comprises a mounting seat, a mounting groove matched with the supporting arm supporting rod is transversely arranged on the mounting seat in a penetrating mode, mounting holes which are symmetrically arranged in the left-right mode are formed in the mounting seat and communicated with the mounting groove, a plurality of connecting holes are formed in the supporting arm supporting rod at equal intervals, and the mounting seat is connected with the supporting arm supporting rod through the mounting groove; by adopting the technical scheme, the two ends of the vertical rod are fixed in the tunnel through the connecting piece, the mounting seat can slide on the supporting arm supporting rod, and after the mounting seat moves to an ideal position, the bolt sequentially penetrates through the mounting hole and the corresponding connecting hole to fix the mounting seat on the supporting arm supporting rod, so that the position of the mounting seat can be adjusted, and a cable can be favorably passed through the cable groove and laid in the tunnel. "tunnel support can not carry out the support of high strength among the prior art, also can not cushion the extrusion force in tunnel, and cable duct is firm inadequately to the fixed of cable, is unfavorable for cable run's safe operation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tunnel inner wall supporting structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tunnel inner wall support structure comprises a base, a bottom plate and a support, wherein a hydraulic rod is arranged on the inner side of the top of the base;

the top of the base is provided with a bottom plate, the top of the bottom plate is provided with a supporting seat, the inner wall of the supporting seat is provided with a limiting groove, the inner side of the limiting groove is embedded with a bearing plate, the top of the bearing plate is provided with a bearing rod, the top end of the bearing rod is provided with a movable seat, and the top of the movable seat is provided with a support;

the inside of support is installed and is adjusted the pole, the top of adjusting the pole is installed and is supported a section of thick bamboo.

Preferably, the inner wall of the base is provided with a lifting groove, and the bottom of the base is provided with a movable wheel.

Preferably, the output end of the hydraulic rod is provided with a lifting plate, the two ends of the lifting plate are embedded and arranged on the inner side of the lifting groove, and the bottom of the lifting plate is provided with a supporting foot pad.

Preferably, install the slide bar on the inner wall of supporting seat, the sliding block is installed to the outside gomphosis of slide bar, and coupling spring has been cup jointed in the outside of slide bar, and coupling spring's one end and the interior wall connection of supporting seat, and coupling spring's the other end is connected with the outside of sliding block, and the top of sliding block articulates there is the connecting rod, and the top of connecting rod is articulated with the bottom of loading board.

Preferably, a first moving groove is formed in the inner wall of the support, a fixed plate is mounted on the inner wall of the support, a motor is mounted at the bottom of the fixed plate, the output end of the motor penetrates through the fixed plate and is connected with the input end of a threaded rod, a moving block is sleeved on the outer side of the threaded rod and is mounted on the inner side of the first moving groove in an embedded mode, and the top of the moving block is connected with the bottom end of the adjusting rod.

Preferably, the lifter is installed to the bottom inboard of a support section of thick bamboo, has seted up the spout on the inner wall of a support section of thick bamboo, and the carriage is installed to the output of lifter, and the carriage gomphosis is installed in the inboard of spout, and the antidetonation spring is installed in the outside of carriage, and the roof is installed at the top of carriage, and the top of antidetonation spring is connected with the bottom of roof, and the cushion is installed at the top of roof.

Preferably, the lantern ring is installed in the outside of adjusting the pole, and the loop bar is installed in the outside of the lantern ring, and the cable holder is installed at the top of loop bar, and the top of cable holder is run through and is installed the locking double-screw bolt, and the locking frame is installed to the output of locking double-screw bolt, has seted up shifting chute two on the inner wall of locking frame, and the contact pad is installed to the inboard gomphosis of shifting chute two, installs pressure spring on the inner wall of locking frame, and pressure spring's outer end is connected with the inboard of contact pad.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an install on the top of adjusting the pole and support a section of thick bamboo, the cushion realizes supporting the balance of tunnel with the contact of tunnel top, the antidetonation spring cushions impact force when excavation in-process tunnel production rocks, lifter work drives the slider and carries out the position control on the vertical direction at the inboard removal of spout, the tensile length that changes the antidetonation spring according to supporting structure's bearing demand realizes the regulation of antithetical couplet spring elasticity, the loading board moves down and promotes to the connecting rod and make the sliding block remove the coupling spring who extrudees the both sides on the slide bar, coupling spring cushions the impact force on the horizontal direction, the supporting structure pressurized buckling and the structural deformation that the tunnel rocked and lead to have been reduced, the support intensity of supporting structure to the tunnel has been improved.

2. The utility model discloses a run through at the top of cable holder and install the locking double-screw bolt, the cable passes behind the cable holder screw in locking double-screw bolt and makes the locking frame and the contact of cable outside make the contact pad extrude compression spring in two inboard removals in the shifting chute, has reduced the wearing and tearing that cause the cable outer wall when improving the installation steadiness, has guaranteed the safety and stability nature of cable run to cable run's stable centre gripping.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the base of the present invention;

FIG. 3 is a schematic view of the internal structure of the support base of the present invention;

fig. 4 is an enlarged schematic view of the structure at a of the present invention;

FIG. 5 is a schematic view of the internal structure of the supporting cylinder of the present invention;

fig. 6 is a schematic view of the internal structure of the locking frame of the present invention.

In the figure: 1. a base; 101. a lifting groove; 102. a moving wheel; 2. a hydraulic rod; 201. a lifting plate; 202. supporting the foot pad; 3. a base plate; 301. a supporting seat; 302. a limiting groove; 303. carrying a plate; 304. a slide bar; 305. a slider; 306. a connecting spring; 307. a connecting rod; 308. a carrier bar; 309. a movable seat; 4. a support; 401. moving the first groove; 402. a fixing plate; 403. an electric motor; 404. a threaded rod; 405. a moving block; 406. adjusting a rod; 5. a support cylinder; 501. a lifting rod; 502. a chute; 503. a carriage; 504. an anti-seismic spring; 505. a top plate; 506. an elastic pad; 6. a collar; 601. a loop bar; 602. a cable holder; 603. locking the stud; 604. locking the frame; 605. a second moving groove; 606. a contact pad; 607. compressing the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection or a movable connection, or may be a detachable connection, or may be integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, the present invention provides an embodiment: a tunnel inner wall bracket structure;

including base 1, hydraulic stem 2 and lifter plate 201, lift groove 101 has been seted up on base 1's the inner wall, removal wheel 102 is installed to base 1's bottom, move the position of supporting structure through removing wheel 102, hydraulic stem 2 is installed to base 1's top inboard, lifter plate 201 is installed to the output of hydraulic stem 2, and the both ends gomphosis of lifter plate 201 installs the inboard at lift groove 101, support callus on the sole 202 is installed to lifter plate 201's bottom, it promotes lifter plate 201 and removes in lift groove 101 inboard to remove to the appointed back of supporting site of tunnel hydraulic stem 2 operation, support callus on the sole 202 and ground contact production frictional force realize fixed to supporting structure.

Referring to fig. 1, 3 and 4, a supporting structure of the inner wall of the tunnel;

the device comprises a bottom plate 3, a supporting seat 301 and a bracket 4, wherein the bottom plate 3 is installed at the top of a base 1, the supporting seat 301 is installed at the top of the bottom plate 3, a limiting groove 302 is formed in the inner wall of the supporting seat 301, a bearing plate 303 is installed at the inner side of the limiting groove 302 in an embedded mode, a bearing rod 308 is installed at the top of the bearing plate 303, a moving seat 309 is installed at the top end of the bearing rod 308, the bracket 4 is installed at the top of the moving seat 309, a sliding rod 304 is installed on the inner wall of the supporting seat 301, a sliding block 305 is installed at the outer side of the sliding rod 304 in an embedded mode, a connecting spring 306 is sleeved at the outer side of the sliding rod 304, one end of the connecting spring 306 is connected with the inner wall of the supporting seat 301, the other end of the connecting spring 306 is connected with the outer side of the sliding block 305, a connecting rod 307 is hinged at the top end of the connecting rod 307 with the bottom of the bearing plate 303, the moving seat 309 presses the bearing rod 308 to enable the bearing plate 303 to move downwards in the limiting groove 302 when a tunnel shakes, the bearing plate 303 moves downwards to push the connecting rod 307, so that the sliding block 305 moves on the sliding rod 304 to extrude the connecting springs 306 on two sides, the connecting springs 306 buffer impact force in the horizontal direction, the supporting strength of the support structure on a tunnel is improved, the inner side of the support 4 is provided with the adjusting rod 406, the inner wall of the support 4 is provided with the first moving groove 401, the inner wall of the support 4 is provided with the fixing plate 402, the bottom of the fixing plate 402 is provided with the motor 403, the output end of the motor 403 penetrates through the fixing plate 402 to be connected with the input end of the threaded rod 404, the outer side of the threaded rod 404 is sleeved with the moving block 405, the moving block 405 is embedded and arranged on the inner side of the first moving groove 401, the top of the moving block 405 is connected with the bottom end of the adjusting rod 406, and the fixing plate 402 provides an installation position for the motor 403 and ensures the stability of the motor in operation, the motor 403 operates to drive the threaded rod 404 to rotate, the threaded rod 404 rotates to enable the moving block 405 to move smoothly inside the first moving groove 401 to achieve height adjustment of the adjusting rod 406, and the supporting height of the top plate 505 can also be adjusted.

Referring to fig. 1, 5 and 6, a supporting structure of the inner wall of the tunnel;

comprises a supporting cylinder 5, a sliding frame 503 and a lantern ring 6, wherein the top end of an adjusting rod 406 is provided with the supporting cylinder 5, the inner side of the bottom of the supporting cylinder 5 is provided with a lifting rod 501, the inner wall of the supporting cylinder 5 is provided with a sliding groove 502, the output end of the lifting rod 501 is provided with the sliding frame 503, the sliding frame 503 is embedded and installed at the inner side of the sliding groove 502, the anti-shock spring 504 is installed at the outer side of the sliding frame 503, the top plate 505 is installed at the top of the sliding frame 503, the top end of the anti-vibration spring 504 is connected with the bottom of the top plate 505, the top of the top plate 505 is provided with an elastic pad 506, the lifting rod 501 is an electric driving rod, the lifting rod 501 drives the sliding frame 503 to move inside the sliding groove 502 to adjust the position in the vertical direction, the tensile length of the anti-seismic spring 504 is changed according to the bearing requirement of the support structure on the tunnel to realize the elastic adjustment of the anti-seismic spring 504, the elastic cushion 506 is in contact with the top of the tunnel to realize the balanced support of the tunnel, the anti-seismic spring 504 buffers the impact force when the tunnel shakes in the excavation process, the outer side of the adjusting rod 406 is provided with the lantern ring 6, the outer side of the lantern ring 6 is provided with the lantern ring 601, the top of the lantern ring 601 is provided with the cable clamp seat 602, the top of the cable clamp seat 602 is provided with the locking stud 603 in a penetrating manner, the output end of the locking stud 603 is provided with the locking frame 604, the inner wall of the locking frame 604 is provided with the moving groove II 605, the inner side of the moving groove II 605 is provided with the contact pad 606 in an embedded manner, and the inner wall of the locking frame 604 is provided with the compression spring 607, and the outer end of the pressing spring 607 is connected with the inner side of the contact pad 606, the lantern ring 6 is detachably connected with the adjusting rod 406, the height positions of the sleeve ring 6 and the sleeve rod 601 are adjusted according to the installation requirement of the cable, the cable passes through the cable holder 602 and then is screwed into the locking stud 603, so that the locking frame 604 is in contact with the outer side of the cable, the contact pad 606 moves inside the second moving groove 605, and the compression spring 607 is compressed.

The working principle is as follows: when the device is used, firstly, the position of the support structure is moved through the moving wheel 102, after the device is moved to a specified support place of a tunnel, the hydraulic rod 2 operates to push the lifting plate 201 to enable the support foot pad 202 to be in contact with the ground to fix the support structure, the motor 403 operates to drive the threaded rod 404 to rotate, the threaded rod 404 rotates to enable the moving block 405 to stably move on the inner side of the moving groove I401 to achieve height adjustment of the top plate 505, the height positions of the lantern ring 6 and the lantern ring 601 are adjusted according to the installation requirement of a cable, the cable passes through the cable clamp seat 602 and then is screwed into the locking stud 603 to enable the locking frame 604 to be in contact with the outer side of the cable to enable the contact pad 606 to move on the inner side of the moving groove II 605 to extrude the compression spring 607, the stretching length of the anti-seismic spring 504 is changed according to the bearing requirement of the support structure to the tunnel to achieve elastic adjustment of the anti-seismic spring 504, the elastic cushion 506 is in contact with the top of the tunnel to realize balanced support of the tunnel, the impact force is buffered by the anti-seismic spring 504 when the tunnel is rocked in the excavation process, the bearing rod 308 is pressed by the moving seat 309 to enable the bearing plate 303 to move downwards in the limiting groove 302, the bearing plate 303 moves downwards to push the connecting rod 307 to enable the sliding block 305 to move on the sliding rod 304 to extrude the connecting springs 306 on two sides, the connecting springs 306 buffer the impact force on the horizontal direction, the bracket structure on the inner wall of the tunnel reduces the bracket structure stressed buckling and structural deformation caused by the rocking of the tunnel, the support strength of the bracket structure on the tunnel is improved, and the safety and stability of the operation of a cable line are ensured by stable clamping of the cable line.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a tunnel inner wall supporting structure, includes base (1), bottom plate (3) and support (4), its characterized in that: a hydraulic rod (2) is arranged on the inner side of the top of the base (1);

the top of the base (1) is provided with a bottom plate (3), the top of the bottom plate (3) is provided with a supporting seat (301), the inner wall of the supporting seat (301) is provided with a limiting groove (302), the inner side of the limiting groove (302) is embedded with a bearing plate (303), the top of the bearing plate (303) is provided with a bearing rod (308), the top end of the bearing rod (308) is provided with a movable seat (309), and the top of the movable seat (309) is provided with a support (4);

an adjusting rod (406) is installed on the inner side of the support (4), and a supporting cylinder (5) is installed at the top end of the adjusting rod (406).

2. The inner wall support structure of a tunnel according to claim 1, wherein: a lifting groove (101) is formed in the inner wall of the base (1), and a moving wheel (102) is mounted at the bottom of the base (1).

3. The inner wall support structure of a tunnel according to claim 1, wherein: lifting plate (201) is installed to the output of hydraulic stem (2), and the both ends gomphosis of lifting plate (201) is installed in the inboard of lift groove (101), and support callus on the sole (202) are installed to the bottom of lifting plate (201).

4. The inner wall support structure of a tunnel according to claim 1, wherein: the inner wall of the supporting seat (301) is provided with a sliding rod (304), the outer side of the sliding rod (304) is embedded with a sliding block (305), the outer side of the sliding rod (304) is sleeved with a connecting spring (306), one end of the connecting spring (306) is connected with the inner wall of the supporting seat (301), the other end of the connecting spring (306) is connected with the outer side of the sliding block (305), the top of the sliding block (305) is hinged with a connecting rod (307), and the top end of the connecting rod (307) is hinged with the bottom of the bearing plate (303).

5. The inner wall support structure of a tunnel according to claim 1, wherein: the inner wall of the support (4) is provided with a first moving groove (401), the inner wall of the support (4) is provided with a fixed plate (402), the bottom of the fixed plate (402) is provided with a motor (403), the output end of the motor (403) penetrates through the fixed plate (402) and is connected with the input end of a threaded rod (404), the outer side of the threaded rod (404) is sleeved with a moving block (405), the moving block (405) is embedded and installed on the inner side of the first moving groove (401), and the top of the moving block (405) is connected with the bottom end of an adjusting rod (406).

6. The inner wall support structure of a tunnel according to claim 1, wherein: lifting rod (501) are installed to the bottom inboard of a support section of thick bamboo (5), spout (502) have been seted up on the inner wall of a support section of thick bamboo (5), carriage (503) are installed to the output of lifting rod (501), and carriage (503) gomphosis is installed in the inboard of spout (502), antidetonation spring (504) are installed in the outside of carriage (503), roof (505) are installed to the top of carriage (503), and the top of antidetonation spring (504) is connected with the bottom of roof (505), the top of roof (505) is installed cushion (506).

7. The support structure for the inner wall of the tunnel according to claim 1, wherein: the utility model discloses a cable clamp, including adjusting pole (406), loop bar (6) are installed in the outside of adjusting pole (406), loop bar (601) are installed in the outside of loop bar (6), cable holder (602) are installed at the top of loop bar (601), the top of cable holder (602) is run through and is installed locking double-screw bolt (603), locking frame (604) are installed to the output of locking double-screw bolt (603), shifting chute two (605) have been seted up on the inner wall of locking frame (604), contact pad (606) are installed in the inboard gomphosis of shifting chute two (605), install pressure spring (607) on the inner wall of locking frame (604), and the outer end of pressure spring (607) is connected with the inboard of contact pad (606).