CN212927946U - Emergent linkage that supports of tunnel setpoint - Google Patents

Emergent linkage that supports of tunnel setpoint Download PDF

Info

Publication number
CN212927946U
CN212927946U CN202020596871.5U CN202020596871U CN212927946U CN 212927946 U CN212927946 U CN 212927946U CN 202020596871 U CN202020596871 U CN 202020596871U CN 212927946 U CN212927946 U CN 212927946U
Authority
CN
China
Prior art keywords
tunnel
telescopic
cylinder
telescoping
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020596871.5U
Other languages
Chinese (zh)
Inventor
李飞
赖声钢
蔡教勇
徐万平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Metro Group Co Ltd
Original Assignee
Guangzhou Metro Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Metro Group Co Ltd filed Critical Guangzhou Metro Group Co Ltd
Priority to CN202020596871.5U priority Critical patent/CN212927946U/en
Application granted granted Critical
Publication of CN212927946U publication Critical patent/CN212927946U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Lining And Supports For Tunnels (AREA)

Abstract

The utility model relates to an urban rail contact net technical field specifically discloses an emergent linkage that supports of tunnel setpoint, include: a telescoping device that extends to abut two opposing tunnel walls; the driving device is electrically connected with the telescopic device and used for driving the telescopic device to stretch and retract; and the pressure monitoring device is arranged at one end of the telescopic device, is electrically connected with the driving device and is used for suspending the driving device to work when the force of the telescopic device acting on the tunnel wall is greater than or equal to a preset value. The utility model discloses a set up telescoping device, drive arrangement, pressure monitoring device, drive arrangement makes it flexible for the telescoping device power supply, and the telescoping device butt is fixed on the lateral wall in tunnel, acts on as the telescoping device during power more than or equal to default on the tunnel, pressure monitoring device breaks off the power of telescoping device, and then prevents that the telescoping device from acting on pressure on the tunnel is too big and damage the deformation.

Description

Emergent linkage that supports of tunnel setpoint
Technical Field
The utility model relates to an urban rail contact net technical field, in particular to emergent linkage that supports of tunnel setpoint.
Background
Subway line main lines are mostly underground line, and the power supply mode has partial contact net to adopt the form that rigid contact hung, and the setpoint is installed at the tunnel top through supporting linkage, if support linkage when breaking down, need a large amount of manpowers to carry numerous and diverse heavy multiplexer utensil and material like percussion drill, drill bit, reinforcing bar detection instrument, bolt, drum, base, adjusting bolt etc to punch again the tunnel through using like multiplexer utensil, support linkage with the new tunnel setpoint of installation and fix. The operation procedures are complex, the time for processing the fault is long, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides an emergent linkage that supports of tunnel setpoint, the device need not to punch through extension butt on tunnel wall, and the setpoint supports and hangs during as emergent, improves trouble emergency treatment efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a tunnel setpoint emergency support linkage, comprising:
a telescoping device that extends to abut two opposing tunnel walls;
the driving device is electrically connected with the telescopic device and used for driving the telescopic device to stretch and retract;
and the pressure monitoring device is arranged at one end of the telescopic device, is electrically connected with the driving device and is used for suspending the driving device to work when the force of the telescopic device acting on the tunnel wall is greater than or equal to a preset value.
Preferably, the telescopic device further comprises a protective sleeve, and the telescopic device is arranged in the protective sleeve.
Preferably, the pressure monitoring device comprises a spring, an overpressure bolt, a support cylinder and a travel switch electrically connected with the driving device;
the wall of the protective sleeve is provided with two sliding chutes which are centrosymmetric by taking the circle center of the protective sleeve as a fixed point;
the spring is arranged in the protective sleeve, one end of the spring is connected with the telescopic device, and the other end of the spring is connected with the support sleeve;
the overpressure bolt is fixed on the supporting cylinder, and two ends of the overpressure bolt are respectively clamped in the two sliding grooves;
the travel switch is arranged on the cylinder wall and is positioned at the end part of one end, close to the spring, of the sliding chute.
Preferably, the pressure monitoring device further comprises a transition cylinder, and the spring is connected with the telescopic device through the transition cylinder.
Preferably, the telescopic device comprises a telescopic rod and a plurality of connecting rods which can be spliced mutually, and one end of each connecting rod is detachably connected with the telescopic rod of the telescopic device.
Preferably, the connecting rod is provided with two second connecting holes which are centrosymmetric by taking the circle center of the connecting rod as a fixed point, and the telescopic rod is provided with two first connecting holes which are centrosymmetric by taking the circle center of the telescopic rod as a fixed point;
the connecting rod and the telescopic rod are fixedly connected through a first fixing bolt penetrating through the first connecting hole and the second connecting hole;
and the adjacent connecting rods penetrate through the second connecting holes through second fixing bolts to be fixedly connected.
Preferably, the tunnel further comprises anti-slip means, and the telescopic means abuts against the tunnel wall through the anti-slip means.
Preferably, the anti-slip device comprises an abutting plate and a connecting cylinder;
the connecting cylinder is arranged on one surface of the abutting plate, and a nail-shaped bulge is arranged on the other surface of the abutting plate;
the connecting cylinder with the telescopic link can be dismantled and be connected, perhaps the connecting cylinder with the connecting rod can be dismantled and be connected.
Preferably, the connecting cylinder is provided with two third connecting holes which are centrosymmetric by taking the circle center as a fixed point;
the connecting cylinder and the telescopic rod penetrate through the third connecting hole and the first connecting hole through a third fixing bolt or the connecting cylinder and the connecting rod penetrate through the third connecting hole and the second connecting hole through the third fixing bolt.
Preferably, a through hole is formed in the wall of the protective sleeve, and a power line of the telescopic device penetrates through the through hole to be electrically connected with the driving device.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses emergent suspension that supports of tunnel setpoint, through setting up telescoping device, drive arrangement, pressure monitoring device, drive arrangement makes it flexible for the telescoping device power supply, and when the elongation of telescoping device equals the distance of two relative lateral walls in tunnel, the lateral wall in telescoping device butt tunnel is worked as the telescoping device when the power on the tunnel is less than the default, drive arrangement continues to drive the telescoping device extension, works as the telescoping device and is worked as during the power more than or equal to default on the tunnel, pressure monitoring device breaks off the power of telescoping device, and then prevents that the telescoping device from being used in pressure on the tunnel is too big and damage the deformation. Use the utility model discloses an emergent linkage that supports of tunnel setpoint is fixed through butt tunnel lateral wall mode, need not to punch again the tunnel, can realize arranging fast as required, fixes the setpoint on strutting arrangement, can resume equipment operation after the adjustment, improves fault treatment efficiency. The utility model discloses emergent linkage that supports of tunnel setpoint only needs to carry a small amount of instruments such as drum, spanner and can use, and a large amount of manpowers, material resources and fault handling time can be practiced thrift to the mode of punching again relatively.
Drawings
The present invention will now be further described with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic structural view of the connecting rod of the present invention
Fig. 4 is a state diagram of the pressure monitoring device of the present invention before being pressurized;
fig. 5 is a state diagram of the pressure monitoring device of the present invention after being pressurized;
fig. 6 is a schematic structural view of the antiskid device of the present invention.
In the figure:
1. a protective sleeve; 11. a chute; 12. a through hole; 2. a telescoping device; 21. a telescopic rod; 211. a first connection hole; 22. a connecting rod; 221. a second connection hole; 3. a pressure monitoring device; 31. a spring; 32. an overvoltage bolt; 33. a support cylinder; 331. a fourth connection hole; 34. a travel switch; 35. a transition cylinder; 4. an anti-skid device; 41. a butt joint plate; 411. a nail-shaped protrusion; 42. a connecting cylinder; 421. a third connection hole; 5. a power line.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1-6, the embodiment discloses an emergent suspension device that supports of tunnel setpoint, includes:
a telescopic device 2 which is extended to abut against two opposite tunnel walls;
the driving device is electrically connected with the telescopic device 2 and used for driving the telescopic device 2 to stretch and retract;
and the pressure monitoring device 3 is arranged at one end of the telescopic device 2, is electrically connected with the driving device, and is used for suspending the working of the driving device when the force of the telescopic device 2 acting on the tunnel wall is greater than or equal to a preset value.
This embodiment is through setting up telescoping device 2, drive arrangement, pressure monitoring device 3, and drive arrangement makes it flexible for the power supply of telescoping device 2, and when the elongation of telescoping device 2 equals the distance of the two relative lateral walls in tunnel, the lateral wall in 2 butt tunnels of telescoping device, works as telescoping device 2 and is in when the power in the tunnel is less than the default, drive arrangement continues drive telescoping device 2 extension, works as telescoping device 2 and is in when the power in the tunnel is more than or equal to the default, pressure monitoring device 3 disconnection telescoping device 2's power, and then prevents that telescoping device 2 from being used in too big and damage deformation of pressure in the tunnel. Use the emergent linkage that supports of tunnel setpoint of this embodiment, then need not to punch again to the tunnel, can realize having accomplished the installation fast, the recovery plant operation improves fault handling efficiency greatly, and the emergent linkage that supports of tunnel setpoint of this embodiment only needs to carry a small amount of instruments such as drum, spanner, practices thrift manpower, material resources and fault handling time greatly.
As shown in fig. 2 to 5, in the present embodiment, the telescopic device further includes a protective sleeve 1, and the telescopic device 2 is disposed in the protective sleeve 1; the pressure monitoring device 3 comprises a spring 31, an overpressure bolt 32, a support cylinder 33 and a travel switch 34 electrically connected with the driving device pressure monitoring device 3;
the wall of the protective sleeve 1 is provided with two sliding chutes 11, and the two sliding chutes 11 are centrosymmetric by taking the circle center of the protective sleeve 1 as a fixed point;
the spring 31 is arranged in the protective sleeve 1, one end of the spring is connected with the telescopic device 2, and the other end of the spring is connected with the supporting sleeve 33;
the overpressure bolt 32 is fixed on the support cylinder 33, and two ends of the overpressure bolt are respectively clamped in the two sliding grooves 11;
the travel switch 34 is disposed on the cylinder wall and is located at an end of the chute 11 close to one end of the spring 31.
When the distance of two relative lateral walls in tunnel such as the elongation of telescoping device 2, drive arrangement continues to drive telescoping device 2 extension, spring 31 is compressed, excessive pressure bolt 32 removes to the direction that spring 31 compressed in spout 11 this moment, when excessive pressure bolt 32 removed the tip of spout 11, travel switch 34 is triggered, telescoping device 2 is cut off the power supply and makes the tunnel setpoint promptly support linkage automatic shutdown, and then effective protection contact net tunnel setpoint is emergent to be supported linkage and is damaged the deformation because pressure is too big.
In this embodiment, the connecting rod 22 is provided with two second connecting holes 221 which are centrosymmetric with the circle center thereof being a fixed point, and the telescopic rod 21 is provided with two first connecting holes 211 which are centrosymmetric with the circle center thereof being a fixed point;
the connecting rod 22 and the telescopic rod 21 are fixedly connected through a first fixing bolt passing through the first connecting hole 211 and the second connecting hole 221;
the adjacent connecting rods 22 are fixedly connected through the second connecting holes 221 by a second fixing bolt.
Specifically, the outer diameter of one end of the connecting rod 22 is slightly smaller than the inner diameter of the telescopic rod 21, the connecting rod 22 is sleeved in the telescopic rod 21 to enable the first connecting hole 211 and the second connecting hole 221 to correspond to each other, and then the first fixing bolt can penetrate into the first connecting hole 211 and the second connecting hole 221 to enable the connecting rod 22 and the telescopic rod 21 to be detachably and fixedly connected. The connection between the connecting rod 22 and the connecting rod 22 is the same as the connection between the connecting rod 22 and the telescopic rod 21.
In this embodiment, the pressure monitoring device 3 further includes a transition cylinder 35, and the spring 31 is connected to the telescopic device 2 through the transition cylinder 35. The connection mode of the transition cylinder 35 and the telescopic device 2 is the same as the connection mode of the connecting rod 22 and the telescopic rod 21.
The setting of the connecting rod 22 of this embodiment for the length of telescoping device 2 can be decided according to the environment in place, can assemble by oneself according to the tunnel width, with the purpose that reaches the butt tunnel wall. In other words, the tunnel positioning point emergency support suspension device of the embodiment can be assembled by selecting connecting rod pieces with different lengths according to the suspension installation form of the tunnel and combining the requirements of tunnel structure type, equipment limitation and clearance height, and then the expansion device 2 is extended to a certain extent to be abutted and fixed to the tunnel wall at the two sides above the central line of the bus bar contact line of the original suspension point, the tunnel positioning point is installed on the protection sleeve, and the use can be met after parameters are adjusted.
As shown in fig. 6, in this embodiment, the present invention further includes an anti-slip device 4, and the retractable device 2 abuts against the tunnel wall through the anti-slip device 4; the anti-skid device 4 comprises an abutting plate 41 and a connecting cylinder 42;
the connecting cylinder 42 is installed on one surface of the abutting plate 41, and the other surface of the abutting plate 41 is provided with a nail-shaped protrusion 411;
the connecting cylinder 42 is detachably connected with the telescopic rod 21, or the connecting cylinder 42 is detachably connected with the connecting rod 22;
the connecting cylinder 42 is provided with two third connecting holes 421 which are centrosymmetric by taking the circle center as a fixed point;
the connecting cylinder 42 and the telescopic rod 21 are fixedly connected by a third fixing bolt penetrating through the third connecting hole 421 and the first connecting hole 211, or the connecting cylinder 42 and the connecting rod 22 are fixedly connected by the third fixing bolt penetrating through the third connecting hole 421 and the second connecting hole 221.
Meanwhile, the support cylinder 33 is provided with two fourth connection holes 331 which are centrosymmetric with the circle center thereof as a fixed point, and the support cylinder 33 and the connection cylinder 42 are fixedly connected with the fourth connection holes 331 by a fourth fixing bolt passing through the third connection hole 421.
Namely, the connection manner of the connecting cylinder 42 and the telescopic rod 21 (or the connecting rod 22), the connection manner of the supporting cylinder 33 and the connecting cylinder 42, and the connection manner of the connecting rod 22 and the telescopic rod 21 are the same.
The antiskid device 4 of this embodiment is provided, so that the expansion device 2 is more firmly abutted against the tunnel wall, and the reliability of the emergency support suspension device for the tunnel positioning point is ensured.
In this embodiment, according to the suspension installation form of the tunnel, in combination with the requirements of the tunnel structure type, the equipment limitation and the clearance height, the connection rods 22 with different lengths are selected for assembly, and the assembly form is as follows: antiskid 4+ telescoping device 2+ equipment connecting rod 22 pieces + antiskid 4 constitutes, makes the telescopic link extension through the circular telegram of telescoping device 2 body, and the butt is fixed to the tunnel wall on, and the tunnel setpoint is installed on protective sleeve, can satisfy the use behind the adjustment parameter.
In this embodiment, a through hole 12 is formed in the wall of the protection sleeve 1, and the power line 5 of the telescopic device 2 passes through the through hole 12 and is electrically connected to the driving device.
The present invention is not limited to the above embodiment, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology if they do not depart from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides an emergent suspension device that supports of tunnel setpoint which characterized in that includes:
a telescoping device that extends to abut two opposing tunnel walls;
the driving device is electrically connected with the telescopic device and used for driving the telescopic device to stretch and retract;
and the pressure monitoring device is arranged at one end of the telescopic device, is electrically connected with the driving device and is used for suspending the driving device to work when the force of the telescopic device acting on the tunnel wall is not less than a preset value.
2. The tunnel setpoint emergency support suspension device of claim 1, further comprising a protective sleeve, the telescoping device being disposed within the protective sleeve.
3. The tunnel positioning point emergency support suspension device as claimed in claim 2, wherein the pressure monitoring device comprises a spring, an overpressure latch, a support cylinder, a travel switch electrically connected with the driving device;
the wall of the protective sleeve is provided with two sliding chutes which are centrosymmetric by taking the circle center of the protective sleeve as a fixed point;
the spring is arranged in the protective sleeve, one end of the spring is connected with the telescopic device, and the other end of the spring is connected with the support sleeve;
the overpressure bolt is fixed on the supporting cylinder, and two ends of the overpressure bolt are respectively clamped in the two sliding grooves;
the travel switch is arranged on the cylinder wall and is positioned at the end part of one end, close to the spring, of the sliding chute.
4. The tunnel anchor point emergency support suspension device of claim 3, wherein the pressure monitoring device further comprises a transition cylinder, and the spring is connected with the telescopic device through the transition cylinder.
5. The tunnel positioning point emergency support suspension device as claimed in claim 1, wherein the telescopic device comprises a telescopic rod and a plurality of connecting rods which can be spliced with each other, and one end of each connecting rod is detachably connected with the telescopic rod.
6. The tunnel positioning point emergency supporting and suspending device according to claim 5, wherein the connecting rod is provided with two second connecting holes which are centrosymmetric with the circle center thereof as a fixed point, and the telescopic rod is provided with two first connecting holes which are centrosymmetric with the circle center thereof as a fixed point;
the connecting rod and the telescopic rod are fixedly connected through a first fixing bolt penetrating through the first connecting hole and the second connecting hole;
and the adjacent connecting rods penetrate through the second connecting holes through second fixing bolts to be fixedly connected.
7. The tunnel anchor point emergency support suspension device of claim 6, further comprising an anti-slip device by which the telescoping device abuts the tunnel wall.
8. The tunnel anchor point emergency support suspension device of claim 7, wherein the anti-skid device comprises an abutment plate and a connecting cylinder;
the connecting cylinder is arranged on one surface of the abutting plate, and a nail-shaped bulge is arranged on the other surface of the abutting plate;
the connecting cylinder with the telescopic link can be dismantled and be connected, perhaps the connecting cylinder with the connecting rod can be dismantled and be connected.
9. The tunnel positioning point emergency support suspension device as claimed in claim 8, wherein the connecting cylinder is provided with two third connecting holes which are centrosymmetric with the circle center thereof as a fixed point;
the connecting cylinder and the telescopic rod penetrate through the third connecting hole and the first connecting hole through a third fixing bolt, or the connecting cylinder and the connecting rod penetrate through the third connecting hole and the second connecting hole through the third fixing bolt.
10. The tunnel positioning point emergency support hanging device as claimed in claim 2, wherein a through hole is provided on the wall of the protection sleeve, and a power line of the telescopic device passes through the through hole to be electrically connected with the driving device.
CN202020596871.5U 2020-04-20 2020-04-20 Emergent linkage that supports of tunnel setpoint Active CN212927946U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020596871.5U CN212927946U (en) 2020-04-20 2020-04-20 Emergent linkage that supports of tunnel setpoint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020596871.5U CN212927946U (en) 2020-04-20 2020-04-20 Emergent linkage that supports of tunnel setpoint

Publications (1)

Publication Number Publication Date
CN212927946U true CN212927946U (en) 2021-04-09

Family

ID=75297012

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020596871.5U Active CN212927946U (en) 2020-04-20 2020-04-20 Emergent linkage that supports of tunnel setpoint

Country Status (1)

Country Link
CN (1) CN212927946U (en)

Similar Documents

Publication Publication Date Title
CN212927946U (en) Emergent linkage that supports of tunnel setpoint
CN108798691B (en) TBM shield body anti-blocking device
CN201206434Y (en) Mast protection arrangement for rotary drill rig
CN203495873U (en) Hydraulic drawing device of cylinder body shaft sleeve
CN206987852U (en) A kind of piggyback temporary support device
CN215639109U (en) Earthwork blasting is with blast hole plugging device
CN205000334U (en) Recoverable prestressed anchorage cable
CN205778524U (en) A kind of chassis of one people controlled multiple stage rock drill
CN204960976U (en) Tunnel ventilation manages simple and easy telescoping device
CN210420963U (en) Protective net for highway engineering construction
CN208605194U (en) A kind of effective top cover of jacking construction tool
CN209195260U (en) A kind of no-dig technique drilling machine with drill rod bracket structure
CN206617108U (en) A kind of steel wire rope that reduces breaks the hydraulic catwork of injury
CN203589234U (en) Novel ground wire device
CN210178292U (en) Handheld pressure relief hole drilling machine supporting device
CN217683970U (en) Drive arrangement fixed bolster for oil drilling
CN117404097B (en) Construction method for taking out broken bolts on cutter head of shield tunneling machine
CN219119247U (en) Convenient protector of construction modularization in shield constructs quick-witted hole
CN206477870U (en) A kind of anchor pole and roof-bolter attachment means
CN214170578U (en) Drill carriage protection device and drill carriage
CN215595495U (en) Outburst prevention drill bit
CN219691171U (en) Static crushing and dismantling structure for concrete
CN212264691U (en) Pipe end machining device for multi-section pipe
CN218062215U (en) Underground geotechnical engineering test drilling orifice protection device suitable for different apertures
CN210264767U (en) Tunnel roof prevents strutting arrangement that collapses

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant