CN212837829U - Tunnel passes through broken area canopy and protects structure - Google Patents

Tunnel passes through broken area canopy and protects structure Download PDF

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Publication number
CN212837829U
CN212837829U CN202021946195.6U CN202021946195U CN212837829U CN 212837829 U CN212837829 U CN 212837829U CN 202021946195 U CN202021946195 U CN 202021946195U CN 212837829 U CN212837829 U CN 212837829U
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China
Prior art keywords
fixed
canopy
bow member
slip casting
tunnel
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CN202021946195.6U
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Chinese (zh)
Inventor
杨天羽
汤春阳
郑世杰
杨宏伟
王振
梁忠信
温泉
张国山
冯超
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CCCC Tunnel Engineering Co Ltd
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CCCC Tunnel Engineering Co Ltd
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Abstract

The utility model discloses a tunnel passes through broken area canopy and protects structure, protect device and strutting arrangement including the canopy, the canopy is protected the device and is included the bow member, fixed bow member is installed at the top of bow member, the internally mounted of bow member has defeated thick liquid pipe, the outside that the device was protected to the terminal intercommunication canopy of defeated thick liquid pipe, the side intercommunication of defeated thick liquid pipe has the one end of a plurality of slip casting pipe, the other end of slip casting pipe runs through the outside of bow member and the inner wall of fixed bow member to the inside of fixed bow member and install the slip casting nozzle, the end of slip casting nozzle runs through side to the outside of fixed bow member. The utility model discloses in the crack of the even entering mountain stone of thick liquid ability, the stability that makes the tunnel promotes greatly.

Description

Tunnel passes through broken area canopy and protects structure
Technical Field
The utility model relates to a canopy protects technical field, especially relates to a tunnel passes through broken area canopy and protects structure.
Background
A fracture zone, also known as a fragmentation zone, is a zone of intense rock fragmentation caused by faults or fracture dense zones. The former is also known as a fault-breaking zone. The width of the crushing zone is hundreds of meters or even kilometers, and the length can be tens of meters or even tens of kilometers. The fissures may be filled with minerals, have a reticular shape, and may also roughly correspond to fracture zones. The fracture zone associated with the fault is filled with rock fragments torn from the fault wall, broken stones and clay substances formed by fault action. Large scale fracture zones are often multi-stage activities, and severe collapse, roof fall, water burst and even mountain slip occur when tunnels and underground projects pass through such zones.
The device is protected to current tunnel canopy often can't undertake the pressure of massif, and the stability in tunnel is not good, when the canopy in broken area protects the device and sprays the thick liquid, can't make the thick liquid get into the crack of mountain stone, and the security performance in tunnel is not fully satisfactory, and the canopy protects the device can't ensure the stability in tunnel.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the slurry can not enter the crack of the mountain stone and the shed protects the device in the prior art, and the proposed tunnel passes through the broken band shed and protects the structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a tunnel passes through broken area canopy and protects structure, protects device and strutting arrangement including the canopy, the canopy protects the device and includes the bow member, fixed bow member is installed at the top of bow member, the internally mounted of bow member has defeated thick liquid pipe, the outside of device is protected to the terminal intercommunication canopy of defeated thick liquid pipe, the side intercommunication of defeated thick liquid pipe has the one end of a plurality of slip casting pipe, the other end of slip casting pipe runs through the outside of bow member and the inner wall of fixed bow member to the inside of fixed bow member and install the slip casting nozzle, the end of slip casting nozzle runs through side to the outside of fixed bow member.
Preferably, a plurality of all set up the recess between the slip casting pipe, the internally mounted of recess has the gasbag, the gasbag passes through the pipeline and communicates in proper order, the spout has been seted up to the symmetry on the inner wall of recess, slidable mounting has the slider in the spout, the baffle is installed to the top that lies in the gasbag in the recess, the side and the slider fixed connection of baffle.
Preferably, the supporting device comprises an i-shaped steel frame, the i-shaped steel frame is mounted at the top of the inside of the shed protection device, the bottom of the inside of the shed protection device is symmetrically provided with pillars, and the tops of the pillars are fixedly connected with the i-shaped steel frame.
Preferably, a supporting rod is installed inside the shed protection device, two ends of the supporting rod are respectively fixedly connected with the side surfaces of the supporting columns on two sides, first fixing blocks are symmetrically fixed to the bottom of the I-shaped steel frame, one end of a fixing rod is installed at the bottom of the first fixing block, a supporting rod is installed at the other end of the fixing rod, one end of the supporting rod is fixed to the top of the supporting rod, a second fixing block is installed at the other end of the supporting rod, and the top of the second fixing block is fixed to the bottom of the I-shaped steel frame.
Preferably, the bases are symmetrically fixed to the bottom of the inside of the shed protection device, and through holes are formed in the tops of the bases.
Preferably, the side surfaces of the arch centering are symmetrically fixed with lock catches, and the lock catches are connected with the side surfaces of the fixed arch centering through clamping grooves.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a middle fixed arch centering is fixed to be cup jointed on the arch centering through the hasp, and the slip casting nozzle is located fixed arch centering, put the canopy protection device to the position of broken zone and place, through the through-hole on the base canopy protection device is fixed on the ground, place the canopy protection device and remove, the I-shaped steel frame at the top of the inside of the canopy protection device at the top of the upright post, and install branch and bracing piece, prevent the pressure of the mountain from making the tunnel deform, through the support of I-shaped steel frame, make the pressure of the mountain distribute to two upright posts through branch and bracing piece, and through the upright post distribute the pressure to the ground, make the tunnel safer, after the support device is installed, input the thick liquid into a plurality of slip casting pipes respectively through the defeated thick liquid pipe, the thick liquid in the slip casting pipe sprays the mountain in the broken zone through the slip casting nozzle, make the thick liquid spray in the crack of the mountain stone in the broken zone, and after the spraying is finished, inflating the air bag, expanding the air bag after the air bag is inflated, extruding the partition plate positioned above the air bag to the fixed arch truss, extruding the slurry sprayed on the hill stone by the fixed arch truss, enabling the slurry to enter cracks in the hill stone, fixing the fixed arch truss and the hill stone into a whole through the slurry, and after the slurry is fixed, opening the lock catch to take out the arch truss. Make the perfect crack that gets into the mountain stone of thick liquid ability through the extrusion to the thick liquid, make the more stability of mountain stone, the mountain stone passes through thick liquid and fixed bow member fixed connection simultaneously, makes it fixed as an organic whole, makes tunnel stability more itself, and the security performance is higher.
Drawings
Fig. 1 is a front view of a tunnel passing through a protection structure of a crushing belt of the present invention;
fig. 2 is a schematic structural view of a shed protection device of a tunnel passing through a crushing belt shed protection structure provided by the utility model;
fig. 3 is the enlarged view of the a position of the tunnel passing through the protection structure of the crushing belt of the present invention.
In the figure: 1-canopy guard, 2-support, 101-arch, 102-fixed arch, 103-base, 104-through hole, 105-lock, 106-slurry pipe, 107-slurry pipe, 108-slurry nozzle, 109-air bag, 110-baffle, 111-groove, 112-chute, 113-slide, 201-pillar, 202-strut, 203-strut, 204-first fixed block, 205-fixed rod, 206-I-shaped steel frame, 207-second fixed block.
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.
Referring to fig. 1-3, a tunnel-crossing crushing belt shed protection structure comprises a shed protection device 1 and a supporting device 2, wherein the shed protection device 1 comprises an arch 101, a fixed arch 102 is installed at the top of the arch 101, a slurry conveying pipe 106 is installed inside the arch 101, the tail end of the slurry conveying pipe 106 is communicated with the outside of the shed protection device 1, one end of a plurality of slurry injecting pipes 107 is communicated with the side surface of the slurry conveying pipe 106, the other end of each slurry injecting pipe 107 penetrates through the outside of the arch 101 and the inner wall of the fixed arch 102 to the inside of the fixed arch 102 and is provided with a slurry injecting nozzle 108, the tail end of each slurry injecting nozzle 108 penetrates through the side surface of the fixed arch 102 to the outside, grooves 111 are respectively formed among the plurality of slurry injecting pipes 107, air bags 109 are installed inside the grooves 111 and are sequentially communicated through a pipeline, sliding grooves 112 are symmetrically formed in the inner walls of the grooves 111, sliding blocks 113 are slidably installed in the sliding grooves 112, partition plates 110 are installed above the air, the side of the partition 110 is fixedly connected to the slider 113.
The supporting device 2 comprises an i-shaped steel frame 206, the i-shaped steel frame 206 is installed at the top of the inside of the shed protection device 1, the pillars 201 are symmetrically installed at the bottom of the inside of the shed protection device 1, the tops of the pillars 201 are fixedly connected with the i-shaped steel frame 206, the supporting rod 202 is installed inside the shed protection device 1, two ends of the supporting rod 202 are respectively fixedly connected with the side surfaces of the pillars 201 on two sides, the first fixing blocks 204 are symmetrically fixed at the bottom of the i-shaped steel frame 206, one end of a fixing rod 205 is installed at the bottom of the first fixing block 204, a supporting rod 203 is installed at the other end of the fixing rod 205, one end of the supporting rod 203 is fixed at the top of the supporting rod 202, a second fixing block 207 is.
The bottom of the inside of the shed protection device 1 is symmetrically fixed with a base 103, the top of the base 103 is provided with a through hole 104, the side of the arch 101 is symmetrically fixed with a lock catch 105, and the lock catch 105 is connected with the side of the fixed arch 102 through a clamping groove.
The working principle is as follows: when in use, the fixed arch 102 is fixedly sleeved on the arch 101 through the lock catch 105, the grouting nozzle 108 is positioned in the fixed arch 102, the canopy guard 1 is placed at the position of the crushing belt and is well placed, the canopy guard 1 is fixed on the ground through the through hole 104 on the base 103, the canopy guard 1 is placed to move, the I-shaped steel frame 206 at the top of the canopy guard 1 at the top of the upright column 201 is arranged, the supporting rod 202 and the supporting rod 203 are arranged, the tunnel is prevented from deforming due to the pressure of the mountain, the pressure of the mountain is uniformly distributed on the two upright columns 201 through the supporting rod 202 and the supporting rod 203 through the support of the I-shaped steel frame 206, the pressure is distributed on the ground through the upright columns 201, the tunnel is safer, after the supporting device 2 is installed, the grout is respectively input into the grouting pipes 107 through the grout conveying pipes 106, the grout in the grouting pipes 107 is sprayed on the mountain in the crushing belt through the grouting nozzle 108, the slurry is sprayed into cracks of the hill stones in the crushing zone, the air bag 109 is inflated after the spraying is finished, the air bag 109 is inflated and then expands, the partition plate 110 positioned above the air bag 109 is extruded to the fixed arch 102, meanwhile, the fixed arch 102 is extruded to the slurry sprayed onto the hill stones, the slurry enters the cracks in the hill stones, the fixed arch 102 is fixed with the hill stones into a whole through the slurry, and after the slurry is fixed, the lock catch 105 is opened to take out the arch 101. Make the perfect crack that gets into the mountain stone of thick liquid ability through the extrusion to the thick liquid, make the mountain stone more stable, the mountain stone passes through thick liquid and fixed bow member 102 fixed connection simultaneously, makes it fixed as an organic whole, makes tunnel stability more itself, and the security performance is higher.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a tunnel passes through broken area canopy and protects structure, includes canopy and protects device (1) and strutting arrangement (2), its characterized in that, canopy protects device (1) and includes bow member (101), fixed bow member (102) are installed to the top of bow member (101), the internally mounted of bow member (101) has defeated thick liquid pipe (106), the outside of device (1) is protected to the end intercommunication canopy of defeated thick liquid pipe (106), the side intercommunication of defeated thick liquid pipe (106) has the one end of a plurality of slip casting pipe (107), the other end of slip casting pipe (107) runs through the outside of bow member (101) and the inner wall of fixed bow member (102) to the inside of fixed bow member (102) and installs slip casting nozzle (108), the end of slip casting nozzle (108) runs through the side of fixed bow member (102) to the outside.
2. The tunnel-penetrating fragmentation belt canopy guard structure as claimed in claim 1, wherein a groove (111) is formed between each of the plurality of grouting pipes (107), an air bag (109) is installed inside the groove (111), the air bags (109) are sequentially communicated through a pipeline, sliding grooves (112) are symmetrically formed in the inner wall of the groove (111), sliding blocks (113) are installed in the sliding grooves (112) in a sliding manner, a partition plate (110) is installed above the air bags (109) in the groove (111), and the side surface of the partition plate (110) is fixedly connected with the sliding blocks (113).
3. The structure of claim 1, wherein the supporting device (2) comprises a steel-type frame (206), the steel-type frame (206) is installed on the top of the inside of the canopy guard (1), the bottom of the inside of the canopy guard (1) is symmetrically installed with the pillars (201), and the top of the pillars (201) is fixedly connected with the steel-type frame (206).
4. The tunnel crossing crushing belt shed protection structure as claimed in claim 3, wherein a supporting rod (202) is installed inside the shed protection device (1), two ends of the supporting rod (202) are fixedly connected with the side surfaces of the pillars (201) at two sides respectively, a first fixing block (204) is symmetrically fixed on the bottom of the I-shaped steel frame (206), one end of a fixing rod (205) is installed on the bottom of the first fixing block (204), a supporting rod (203) is installed on the other end of the fixing rod (205), one end of the supporting rod (203) is fixed on the top of the supporting rod (202), a second fixing block (207) is installed on the other end of the supporting rod (203), and the top of the second fixing block (207) is fixed on the bottom of the I-shaped steel frame (206).
5. The structure of claim 1, wherein the bottom of the inside of the canopy guard (1) is symmetrically fixed with a base (103), and the top of the base (103) is provided with a through hole (104).
6. A tunnel-crossing crushing belt canopy guard structure according to claim 1, wherein the side surfaces of the arch (101) are symmetrically fixed with lock catches (105), and the lock catches (105) are connected with the side surfaces of the fixed arch (102) through clamping grooves.
CN202021946195.6U 2020-09-08 2020-09-08 Tunnel passes through broken area canopy and protects structure Active CN212837829U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021946195.6U CN212837829U (en) 2020-09-08 2020-09-08 Tunnel passes through broken area canopy and protects structure

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Application Number Priority Date Filing Date Title
CN202021946195.6U CN212837829U (en) 2020-09-08 2020-09-08 Tunnel passes through broken area canopy and protects structure

Publications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113982655A (en) * 2021-09-30 2022-01-28 中铁七局集团有限公司 Method for controlling non-uniform deformation of tunnel surrounding rock

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113982655A (en) * 2021-09-30 2022-01-28 中铁七局集团有限公司 Method for controlling non-uniform deformation of tunnel surrounding rock
CN113982655B (en) * 2021-09-30 2023-11-17 中铁七局集团有限公司 Control method for non-uniform deformation of tunnel surrounding rock

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