CN218030223U

CN218030223U - Soft rock tunnel steel bow member supporting construction

Info

Publication number: CN218030223U
Application number: CN202220043774.2U
Authority: CN
Inventors: 祁海生; 丁燕方; 刘科; 宋致永
Original assignee: Sinohydro Bureau 10 Co Ltd
Current assignee: Sinohydro Bureau 10 Co Ltd
Priority date: 2022-01-10
Filing date: 2022-01-10
Publication date: 2022-12-13
Anticipated expiration: 2032-01-10

Abstract

The utility model relates to the technical field of tunnel excavation, and discloses a soft rock tunnel steel arch support structure, which solves the technical problem that the support structure for the soft rock tunnel steel arch is inconvenient for adjusting the height; the device comprises a support and a rectangular frame, wherein the inside of the support is sequentially divided into a transmission cavity and an operation cavity through a partition plate, the inside of the transmission cavity is rotatably connected with a lead screw, the lead screw is in threaded connection with a threaded sleeve, the threaded sleeve is embedded in the middle of the bottom end of the rectangular frame, the rectangular frame is in sliding connection with the support, and a pressure-bearing assembly is fixedly arranged at the top end of the rectangular frame; the utility model discloses a layer board can support the bottom of steel bow member, and the spacing groove through the layer board can be spacing to the bottom of steel bow member, and the rubber pad can improve laminating degree and stability between layer board and the steel bow member, rotates hexagonal post through the spanner, and hexagonal post can drive the lead screw through the connecting axle and rotate, and the lead screw rotates the in-process, can drive the rectangle frame through the thread bush and go up and down.

Description

Soft rock tunnel steel bow member supporting construction

Technical Field

The utility model relates to a tunnel excavation technical field especially relates to a soft rock tunnel steel bow member supporting construction.

Background

The tunnel is an engineering building buried in the stratum and is a form of utilizing underground space by human beings, and can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mountain tunnel and a military tunnel; in the process of excavating the soft rock tunnel, the soft rock tunnel is generally supported by a steel arch, and the steel arch needs to be supported for the initial period;

the supporting structure for the soft rock tunnel steel arch at present is not convenient for height-adjusting, is difficult to support different positions of steel arch bottom, and does not have the pressure monitoring function, and when the pressure that supporting structure receives is greater than self bearing capacity, damage easily has certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model provides a soft rock tunnel steel bow member supporting construction has solved the technical problem that the height-adjusting is not convenient for of the supporting construction who is used for soft rock tunnel steel bow member at present.

For solving the technical problem, the utility model provides a pair of soft rock tunnel steel bow member supporting construction, including support and rectangle frame, the inside of support is separated for transmission chamber and operation chamber in proper order through the baffle, the inside in transmission chamber is rotated and is connected with the lead screw, lead screw threaded connection has the thread bush, the thread bush inlays the middle part of locating the rectangle frame bottom, rectangle frame and support sliding connection, the fixed pressure-bearing subassembly that is equipped with in top of rectangle frame, the top of support both sides is all fixed and is equipped with audible-visual annunciator, two audible-visual annunciator establishes ties.

Preferably, the pressure-bearing assembly comprises an audible and visual alarm, a pressure sensor, a supporting plate, a limiting groove and a rubber pad, the bottom end of the pressure sensor is fixedly connected with the middle of the top end of the rectangular frame, the top end of the pressure sensor is fixedly connected with the middle of the bottom end of the supporting plate, the limiting groove is formed in the top end of the supporting plate, and the rubber pad is arranged in the limiting groove.

Preferably, the surface in transmission chamber and the surface in operation chamber articulate respectively has first dustproof door and second dustproof door, the front fixed mounting of second dustproof door has weight controller, audible-visual annunciator and pressure sensor all with weight controller electric connection.

Preferably, the fixed battery that is equipped with in inside in operation chamber, the bottom of support one side is inlayed and is equipped with the charging terminal, charging terminal and battery electric connection, the surface of weight controller is equipped with weight controller switch, the weight controller passes through weight controller switch and battery electric connection.

Preferably, guide grooves are formed in the two sides of the top end of the support, the two guide grooves are respectively in sliding connection with the two sides of the rectangular frame, sliding grooves are formed in the two sides of the transmission cavity, sliding blocks are fixedly arranged at the bottoms of the two sides of the rectangular frame, and the two sliding blocks are respectively in sliding connection with the two sliding grooves.

Preferably, the bottom mounting of lead screw is equipped with the connecting axle, the inside in operation chamber is equipped with the hexagonal column, the bottom of connecting axle runs through the baffle and with the top fixed connection of hexagonal column.

Compared with the prior art, the utility model provides a pair of soft rock tunnel steel bow member supporting construction has following beneficial effect:

the utility model provides a soft rock tunnel steel bow member supporting construction, can support the bottom of steel bow member through the layer board, spacing groove through the layer board can be spacing to the bottom of steel bow member, the rubber pad can improve laminating degree and stability between layer board and the steel bow member, rotate hexagonal post through the spanner, hexagonal post can drive the lead screw through the connecting axle and rotate, the lead screw rotates the in-process, can drive the rectangle frame through the thread bush and go up and down, the rectangle frame can drive the layer board and go up and down, be convenient for adjust the height of layer board, can make it support the different positions of steel bow member bottom, two guide ways and two spouts can lead the rectangle frame, the rectangle frame is difficult to incline, the stability of rectangle frame has been improved, stop rotating hexagonal post, the lead screw can be injectd to the thread bush, keep the height of layer board.

The utility model provides a soft rock tunnel steel bow member supporting construction, adopt weight controller to set for the pressure monitoring scope, weight controller can be to the pressure real-time supervision that the layer board received through pressure sensor, pressure sensor can transmit monitoring data to weight controller, when the pressure that the layer board receives is higher than the pressure monitoring scope, weight controller can control audible-visual annunciator and send audible-visual annunciator signal, warn the staff, the staff receives the signal and can in time carry out the reinforcement measure, the pressure of having avoided rectangle frame and layer board to receive is greater than self bearing capacity, the phenomenon that leads to its damage, can reduce the potential safety hazard, when the pressure that the layer board received is less than the pressure monitoring scope, weight controller can control audible-visual annunciator and get into the sleep state.

Drawings

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

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic structural view of a rectangular frame of the present invention;

fig. 4 is a schematic structural diagram of the pressure-bearing assembly of the present invention.

Reference numbers in the figures: 1. a support; 2. a partition plate; 3. a transmission cavity; 4. an operating chamber; 5. a screw rod; 6. a connecting shaft; 7. a hexagonal column; 8. a rectangular frame; 9. a threaded sleeve; 10. a pressure-bearing assembly; 101. a pressure sensor; 102. a support plate; 103. a limiting groove; 104. a rubber pad; 11. a slider; 12. a chute; 13. a storage battery; 14. a first dust-proof door; 15. a second dust-proof door; 16. a weight controller; 17. an audible and visual alarm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 work belong to the protection scope of the present invention.

Embodiment one, given by fig. 1-4, the utility model discloses a support 1 and rectangle frame 8, the inside of support 1 is separated in proper order for transmission chamber 3 and operation chamber 4 through baffle 2, the inside rotation of transmission chamber 3 is connected with

lead screw

5, 5 threaded connection of lead screw has thread bush 9, thread bush 9 inlays the middle part of locating rectangle frame 8 bottom, rectangle frame 8 and support 1 sliding connection, the fixed pressure-bearing subassembly 10 that is equipped with in top of rectangle frame 8, the top of support 1 both sides is all fixed and is equipped with audible-visual annunciator 17, two audible-visual annunciators 17 establish ties.

Second embodiment, on the basis of first embodiment, pressure-bearing component 10 includes audible-visual annunciator 17, pressure sensor 101, layer board 102, spacing groove 103 and rubber pad 104, the middle part fixed connection on pressure sensor 101's bottom and the 8 tops of rectangle frame, the middle part fixed connection of pressure sensor 101's top and layer board 102 bottom, spacing groove 103 has been seted up on layer board 102's top, the inside of spacing groove 103 is equipped with rubber pad 104, can support the bottom of steel bow member through layer board 102, and can transmit the pressure that receives to pressure sensor 101, spacing groove 103 through layer board 102 can be spacing to the bottom of steel bow member, rubber pad 104 can improve laminating degree and stability between layer board 102 and the steel bow member.

Third embodiment, on the basis of second embodiment, the surface of transmission chamber 3 and the surface of operation chamber 4 articulate respectively has first dustproof door 14 and second dustproof door 15, the front fixed mounting of second dustproof door 15 has weight controller 16, audible and visual alarm 17 and pressure sensor 101 all with weight controller 16 electric connection, can prevent through first dustproof door 14 and second dustproof door 15 that the dust from getting into the inside of transmission chamber 3 and the inside of operation chamber 4, set for the pressure monitoring scope through weight controller 16, weight controller 16 can be to the pressure real-time supervision that layer board 102 received through pressure sensor 101.

Fourth embodiment, on the basis of third embodiment, the inside of operation chamber 4 is fixed and is equipped with battery 13, and the bottom of support 1 one side is inlayed and is equipped with the charging terminal, charging terminal and battery 13 electric connection, and the surface of weight controller 16 is equipped with the weight controller switch, and weight controller 16 passes through the weight controller switch and is connected with battery 13 electric connection, is convenient for charge battery 13 through the charging terminal, is convenient for control weight controller 16's work through the weight controller switch.

Fifth embodiment, on the basis of first embodiment, the guide way has all been seted up to the both sides on 1 top of support, two guide ways respectively with the both sides sliding connection of rectangle frame 8, spout 12 has all been seted up to the both sides in transmission chamber 3, the bottom of rectangle frame 8 both sides is all fixed and is equipped with slider 11, two slider 11 respectively with two spout 12 sliding connection, can lead rectangle frame 8 through two guide ways and two spout 12, rectangle frame 8 is difficult for inclining, has improved rectangle frame 8's stability.

Sixth embodiment, on the basis of first embodiment, the bottom mounting of lead screw 5 is equipped with connecting axle 6, and the inside of operation chamber 4 is equipped with hexagonal column 7, and baffle 2 is run through to the bottom of connecting axle 6 and with the top fixed connection of hexagonal column 7, rotates hexagonal column 7 through the spanner, and hexagonal column 7 can drive lead screw 5 through connecting axle 6 and rotate.

The working principle is as follows:

the first innovation point implementation step:

the first step is as follows: a worker places the supporting plate 102 at the bottom end of the steel arch, the supporting plate 102 can support the bottom end of the steel arch and carry out primary support on the bottom end of the steel arch, the limiting groove 103 of the supporting plate 102 can limit the bottom of the steel arch, and the rubber pad 104 can improve the attaching degree and stability between the supporting plate 102 and the steel arch;

the second step: a worker rotates the hexagonal column 7 through a wrench, the hexagonal column 7 can drive the screw rod 5 to rotate through the connecting shaft 6, the rectangular frame 8 can be driven to lift through the threaded sleeve 9 in the rotating process of the screw rod 5, the rectangular frame 8 can drive the supporting plate 102 to lift, the height of the supporting plate 102 can be adjusted, and different parts of the bottom end of the steel arch frame can be supported by the supporting plate;

the third step: when the supporting plate 102 goes up and down, the two guide grooves and the two sliding grooves 12 can guide the rectangular frame 8, the rectangular frame 8 is not prone to inclination, the stability of the rectangular frame 8 can be improved, and after the hexagonal column 7 stops rotating, the threaded sleeve 9 can limit the height of the screw rod 5 and the supporting plate 102.

The second innovation point implementation step:

the first step is as follows: the supporting plate 102 is stressed, a pressure monitoring range is set by a worker through the weight controller 16, the weight controller 16 can monitor the pressure stressed by the supporting plate 102 in real time through the pressure sensor 101, and the pressure sensor 101 can transmit monitoring data to the weight controller 16;

the second step is that: when the pressure borne by the supporting plate 102 is higher than the pressure monitoring range, the weight controller 16 can control the audible and visual alarm 17 to send out audible and visual alarm signals to warn workers, and the workers can timely perform reinforcement measures after receiving the signals, so that the phenomenon that the rectangular frame 8 and the supporting plate 102 are damaged due to the fact that the pressure borne by the rectangular frame is larger than the self-bearing capacity is avoided, and potential safety hazards can be reduced;

the third step: when the pressure applied to the supporting plate 102 is lower than the pressure monitoring range, the weight controller 16 can control the audible and visual alarm 17 to enter a sleep state.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a soft rock tunnel steel bow member supporting construction, includes support (1) and rectangle frame (8), its characterized in that: the inside of support (1) is separated for transmission chamber (3) and operation chamber (4) in proper order through baffle (2), the inside rotation of transmission chamber (3) is connected with lead screw (5), lead screw (5) threaded connection has thread bush (9), thread bush (9) are inlayed and are located the middle part of rectangle frame (8) bottom, rectangle frame (8) and support (1) sliding connection, the fixed pressure-bearing subassembly (10) that is equipped with in top of rectangle frame (8), the top of support (1) both sides is all fixed and is equipped with audible-visual annunciator (17), two audible-visual annunciator (17) establish ties.

2. The soft rock tunnel steel arch frame supporting structure is characterized in that the pressure bearing assembly (10) comprises an audible-visual alarm (17), a pressure sensor (101), a supporting plate (102), a limiting groove (103) and a rubber pad (104), the bottom end of the pressure sensor (101) is fixedly connected with the middle of the top end of the rectangular frame (8), the top end of the pressure sensor (101) is fixedly connected with the middle of the bottom end of the supporting plate (102), the limiting groove (103) is formed in the top end of the supporting plate (102), and the rubber pad (104) is arranged inside the limiting groove (103).

3. The soft rock tunnel steel arch frame supporting structure is characterized in that the surface of the transmission cavity (3) and the surface of the operation cavity (4) are respectively hinged with a first dustproof door (14) and a second dustproof door (15), the front face of the second dustproof door (15) is fixedly provided with a weight controller (16), and the audible and visual alarm (17) and the pressure sensor (101) are both electrically connected with the weight controller (16).

4. The soft rock tunnel steel arch support structure of claim 3, wherein a storage battery (13) is fixedly arranged inside the operation cavity (4), a charging end is embedded at the bottom of one side of the support (1) and electrically connected with the storage battery (13), a weight controller switch is arranged on the surface of the weight controller (16), and the weight controller (16) is electrically connected with the storage battery (13) through the weight controller switch.

5. The soft rock tunnel steel arch center supporting structure of claim 1, wherein guide grooves are formed in both sides of the top end of the support (1), the two guide grooves are respectively in sliding connection with both sides of the rectangular frame (8), sliding grooves (12) are formed in both sides of the transmission cavity (3), sliding blocks (11) are fixedly arranged at the bottoms of both sides of the rectangular frame (8), and the two sliding blocks (11) are respectively in sliding connection with the two sliding grooves (12).

6. The soft rock tunnel steel arch support structure according to claim 1, characterized in that the bottom end of the screw rod (5) is fixedly provided with a connecting shaft (6), the interior of the operation cavity (4) is provided with a hexagonal column (7), and the bottom end of the connecting shaft (6) penetrates through the partition plate (2) and is fixedly connected with the top end of the hexagonal column (7).