CN112240440B

CN112240440B - Support beam supporting device of municipal shield tunnel

Info

Publication number: CN112240440B
Application number: CN202011105308.4A
Authority: CN
Inventors: 饶金龙
Original assignee: Guangdong Jinhua Construction Engineering Co ltd
Current assignee: Guangdong Jinhua Construction Engineering Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2022-07-12
Anticipated expiration: 2040-10-15
Also published as: CN112240440A

Abstract

The invention belongs to the field of municipal shield tunnels, and particularly relates to a support crossbeam support device of a municipal shield tunnel, wherein two struts are clamped on one side, close to each other, of a first fixed seat and a second fixed seat in a prefabricated pipe, one sides, far away from each other, of the two struts are fixedly connected with support seats, one sides, far away from each other, of four crossbeams are respectively abutted against the inner walls of the two sides of the prefabricated pipe, one sides, close to each other, of the four crossbeams are respectively attached to the two support seats, one sides, close to each other, of the four crossbeams are respectively provided with a clamping groove, the top end of a rotating shaft of the inner wall at the bottom of a fixed cavity extends to the upper part of the top of the support seats and is fixedly connected with a knob, two gears which are engaged with a connecting plate are symmetrically and fixedly sleeved on the rotating shaft, two fixed columns which are matched with the clamping grooves are symmetrically and fixedly connected to one side of the connecting plate, and the problem that the existing support crossbeam does not have a good support device is solved, the supporting beam is easy to be unstable, the supporting effect is influenced, and the beam is not easy to be disassembled and maintained.

Description

Municipal shield tunnel's supporting beam supporting device

Technical Field

The invention belongs to the field of municipal shield tunnels, and relates to a support beam supporting device of a municipal shield tunnel.

Background

The municipal shield tunnel is built under the city and used as a tunnel for laying various municipal facility underground pipelines, and a support beam capable of penetrating various pipelines is usually arranged in the shield tunnel.

The existing supporting beam is not provided with a good supporting device, the supporting beam is unstable easily, the supporting effect is influenced, and the beam is not easy to detach and maintain, so that the supporting beam supporting device of the municipal shield tunnel is provided for solving the problems.

Disclosure of Invention

In view of the above, the invention provides a support beam support device for a municipal shield tunnel, which aims to solve the problems that the existing support beam has no good support device, the support beam is easy to be unstable, the support effect is influenced, and the support beam is difficult to disassemble and maintain.

In order to achieve the purpose, the invention provides a supporting beam supporting device of a municipal shield tunnel, which comprises a prefabricated pipe and four beams, wherein a first fixing seat and a second fixing seat are respectively and fixedly connected in the prefabricated pipe, two supporting columns are clamped at the mutually close sides of the first fixing seat and the second fixing seat, supporting seats are respectively and fixedly connected at the mutually far sides of the two supporting columns, a fixing cavity is respectively arranged on the two supporting seats, the mutually far sides of the four beams are respectively abutted against the inner walls at the two sides of the prefabricated pipe, the mutually close sides of the four beams are respectively attached to the mutually far sides of the two supporting seats, clamping grooves are respectively arranged at the mutually close sides of the four beams, a rotating shaft is rotatably connected on the inner wall at the bottom of the fixing cavity, the top end of the rotating shaft extends to the upper part of the supporting seats and is fixedly connected with a knob, and two gears are symmetrically and fixedly sleeved on the rotating shaft, all the toothed plates are meshed on the two gears, one side of each toothed plate is fixedly connected with the same connecting plate, two fixing columns are symmetrically and fixedly connected to one side of each connecting plate, and the fixing columns are matched with the clamping grooves.

The beneficial effect of this basic scheme lies in: through setting up pillar and supporting seat, be convenient for strut the crossbeam, through rotating the pivot, can make fixed column and draw-in groove dress of blocking mutually, just so can fix the crossbeam, make the position of crossbeam more firm, be difficult for droing, crossbeam also convenient to detach maintains the facilitate use simultaneously.

Further, two locating plates of equal symmetry fixedly connected with on the both sides inner wall of prefabricated pipe, the constant head tank has all been seted up at the top of four locating plates, the equal fixedly connected with reference column in bottom of four crossbeams, reference column and positioning groove looks adaptation, beneficial effect: when the bottom of reference column contacted with the bottom inner wall of reference column, the draw-in groove on the crossbeam just corresponded with the fixed column to.

Further, the mounting groove has all been seted up to the both sides of first fixing base, all rotates on the one side inner wall that two mounting grooves are close to each other and is connected with the screw thread axle, and the equal fixedly connected with handle of one end that two screw thread axles kept away from each other, the equal threaded connection has L shape card post on two screw thread axles, and the fixed orifices has all been seted up to one side that two pillars kept away from each other, L shape card post and fixed orifices looks adaptation, beneficial effect: the L-shaped clamping column can be clamped with the fixing hole by rotating the threaded shaft, so that the supporting column is convenient to fix, and the cross beam can be supported.

Further, two fixed slots have been seted up to the top symmetry of second fixing base, and equal sliding connection has a sliding plate in two fixed slots, and the bottom of two pillars extends to respectively in two fixed slots and contacts beneficial effect with the top of two sliding plates respectively: through setting up fixed slot and sliding plate, can make the pillar have the space of removing, the installation and the dismantlement of pillar of being convenient for.

Further, equal sliding connection has the limiting plate on the top inner wall of fixed cavity and the bottom inner wall, one side of two limiting plates respectively with the opposite side fixed connection of two pinion racks, beneficial effect: the limiting plate can support the toothed plate, and the toothed plate can be moved more stably.

Further, two telescopic links of symmetry fixedly connected with on one side inner wall of fixed cavity, the one end of two telescopic links all with one side fixed connection of connecting plate, beneficial effect: the telescopic link can make the connecting plate can steady movement, can not take place the offset.

Further, the top fixedly connected with fixed plate of supporting the seat, threaded connection has spacing axle on the fixed plate, the one end of spacing axle is rotated and is connected with the movable plate, the bottom of movable plate and the top sliding connection who supports the seat, the spacing post of one side fixedly connected with of movable plate, a plurality of spacing holes have been seted up to the ring shape in the pivot, spacing post and spacing hole looks adaptation, beneficial effect: the limiting shaft is rotated inwards, so that the movable plate can drive the limiting columns to move, the limiting columns are clamped with the corresponding limiting holes, the rotating shaft can be limited, the rotating shaft is not easy to rotate randomly, and the stability of the cross beam is improved.

Further, the spout has been seted up on the top inner wall of mounting groove, the top of L shape card post and the top inner wall sliding connection of spout, beneficial effect: the spout can carry on spacingly to L shape card post, makes L shape card post can only lateral shifting.

Further, two springs of symmetry fixedly connected with on the bottom inner wall of fixed slot, the top of two springs all with the bottom fixed connection of sliding plate, beneficial effect: the spring may provide a return power to the slide plate.

Further, the limiting grooves have been all seted up on the both sides inner wall of fixed slot, the both sides of sliding plate respectively with one side inner wall sliding connection of two limiting grooves, beneficial effect: the limiting groove can reduce friction force, so that the sliding plate moves more smoothly.

The invention has the beneficial effects that:

1. the support device for the support beam of the municipal shield tunnel disclosed by the invention has the advantages that the bottom of the support column moves downwards, the sliding plate can be enabled to downwards compress the spring, the two support columns are loosened, the top ends of the support columns can be abutted against the inner wall of the top of the prefabricated pipe under the reset elasticity of the spring, the two fixing holes are exactly corresponding to the two L-shaped clamping columns, at the moment, the two threaded shafts are rotated, the two L-shaped clamping columns can be moved by the two threaded shafts, and therefore, the two L-shaped clamping columns can be clamped with the fixing holes, the support column can be fixed in the prefabricated pipe, and the support beam can be conveniently supported.

2. According to the support crossbeam supporting device for the municipal shield tunnel, disclosed by the invention, the two gears can drive the toothed plate to move by rotating the rotating shaft, so that the connecting plate can drive the fixed columns to move, the four fixed columns are close to each other to move and can be clamped with the clamping grooves, the crossbeam can be fixed, the position of the crossbeam is more stable and is not easy to fall off, and meanwhile, the crossbeam is convenient to detach for maintenance and convenient to use.

3. According to the support cross beam support device for the municipal shield tunnel, disclosed by the invention, the limiting shaft is inwards rotated, so that the movable plate can drive the limiting column to move, the limiting column is clamped with the corresponding limiting hole, the rotating shaft can be limited, the rotating shaft is not easy to rotate randomly, and the stability of the cross beam is improved.

The supporting device is reasonable in structure and simple in operation, the supporting columns and the supporting seats are arranged to support the cross beam conveniently, the fixing columns and the clamping grooves can be clamped and installed by rotating the rotating shaft, the cross beam can be fixed, the position of the cross beam is stable and not prone to falling off, and meanwhile the cross beam is convenient to disassemble and maintain and convenient to use.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of a support beam support device of a municipal shield tunnel according to the present invention in a front view;

FIG. 2 is a schematic sectional view of a support base in the support beam support device of the municipal shield tunnel according to the present invention;

FIG. 3 is a schematic view of a partial three-dimensional structure of a supporting beam supporting device of a municipal shield tunnel according to the present invention;

FIG. 4 is an enlarged view of the portion A of FIG. 1;

FIG. 5 is an enlarged view of the portion B in FIG. 1 according to the present invention

FIG. 6 is an enlarged view of the portion C of FIG. 2 according to the present invention.

Reference numerals are as follows: the device comprises a prefabricated pipe 1, a first fixing seat 2, a second fixing seat 3, a support column 4, a support seat 5, a crossbeam 6, a fixing cavity 7, a rotating shaft 8, a gear 9, a toothed plate 10, a connecting plate 11, a fixing column 12, a mounting groove 13, a threaded shaft 14, a clamping column 15L-shaped, a sliding groove 16, a fixing groove 17, a sliding plate 18, a spring 19, a limiting groove 20, a positioning plate 21, a positioning column 22, a limiting plate 23, a telescopic rod 24, a fixing plate 25, a limiting shaft 26, a moving plate 27, a limiting hole 28 and a limiting column 29.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the invention only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the invention thereto; for a better explanation of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not an indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes, and are not to be construed as limiting the present invention, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

As shown in fig. 1-6, a supporting beam support device for a municipal shield tunnel comprises a prefabricated pipe 1 and four beams 6, wherein a first fixing seat 2 and a second fixing seat 3 are respectively and fixedly connected in the prefabricated pipe 1, two pillars 4 are clamped at the side where the first fixing seat 2 and the second fixing seat 3 are close to each other, a supporting seat 5 is respectively and fixedly connected at the side where the two pillars 4 are far away from each other, a fixing cavity 7 is respectively arranged on the two supporting seats 5, the side where the four beams 6 are far away from each other is respectively abutted against the inner walls at the two sides of the prefabricated pipe 1, the side where the four beams 6 are close to each other is respectively abutted against the side where the two supporting seats 5 are far away from each other, clamping grooves are respectively arranged at the side where the four beams 6 are close to each other, a rotating shaft 8 is rotatably connected on the inner wall at the bottom of the fixing cavity 7, the top end of the rotating shaft 8 extends to the top of the supporting seats 5 and is fixedly connected with a knob, the fixed cover of symmetry is equipped with two gears 9 in pivot 8, all mesh toothed plate 10 on two gears 9, the same connecting plate 11 of one side fixedly connected with of two toothed plate 10, two fixed columns 12 of one side symmetrical fixedly connected with of connecting plate 11, fixed column 12 and draw-in groove looks adaptation, through setting up pillar 4 and a support seat 5, be convenient for strut crossbeam 6, through rotating pivot 8, can make fixed column 12 clamp with the draw-in groove mutually, just so can fix crossbeam 6, make crossbeam 6's position more firm, be difficult for droing, crossbeam 6 is also convenient for detach maintains simultaneously, and is convenient to use.

In this embodiment, two positioning plates 21 are symmetrically and fixedly connected to inner walls of two sides of the prefabricated pipe 1, positioning slots are formed at tops of the four positioning plates 21, positioning columns 22 are fixedly connected to bottoms of the four cross beams 6, the positioning columns 22 are matched with the positioning slots, when bottoms of the positioning columns 22 are contacted with inner walls of the bottoms of the positioning slots, clamping slots on the cross beams 6 just correspond to the fixed columns 12, limiting plates 23 are slidably connected to inner walls of the top and the bottom of the fixed chamber 7, one sides of the two limiting plates 23 are respectively and fixedly connected to the other sides of the two toothed plates 10, the limiting plates 23 can support the toothed plates 10 and can enable the toothed plates 10 to move more stably, two telescopic rods 24 are symmetrically and fixedly connected to inner walls of one side of the fixed chamber 7, one ends of the two telescopic rods 24 are fixedly connected to one side of the connecting plate 11, and the telescopic rods 24 can enable the connecting plate 11 to move stably, position deviation can not take place, the top fixedly connected with fixed plate 25 of supporting seat 5, threaded connection has spacing axle 26 on the fixed plate 25, the one end of spacing axle 26 is rotated and is connected with movable plate 27, the bottom of movable plate 27 and the top sliding connection who supports seat 5, one side fixedly connected with spacing post 29 of movable plate 27, a plurality of spacing holes 28 have been seted up to the ring shape on the pivot 8, spacing post 29 and spacing hole 28 looks adaptation, spacing axle 26 of inward rotation, thereby can make movable plate 27 drive spacing post 29 and remove, make spacing post 29 and corresponding spacing hole 28 looks chucking, can carry on spacingly to pivot 8 like this, can make pivot 8 be difficult for rotating at will like this, the steadiness of crossbeam 6 has been improved.

In this embodiment, two mounting grooves 13 are formed on both sides of the first mounting seat 2, a threaded shaft 14 is rotatably connected to an inner wall of one side of each of the two mounting grooves 13, a handle is fixedly connected to an end of each of the two threaded shafts 14 away from each other, an L-shaped clip 15 is threadedly connected to each of the two threaded shafts 14, a fixing hole is formed in one side of each of the two support posts 4 away from each other, the L-shaped clip 15 is fitted to the fixing hole, the L-shaped clip 15 can be fastened to the fixing hole by rotating the threaded shaft 14, so as to fix the support post 4 and support the cross beam 6, a sliding groove 16 is formed on an inner wall of a top portion of the mounting groove 13, a top portion of the L-shaped clip 15 is slidably connected to an inner wall of a top portion of the sliding groove 16, the sliding groove 16 can limit the L-shaped clip 15, so that the L-shaped clip 15 can only move laterally, two fixing grooves 17 are symmetrically formed on a top portion of the second mounting seat 3, equal sliding connection has sliding plate 18 in two fixed slots 17, the bottom of two pillars 4 extends to in two fixed slots 17 respectively and contacts with the top of two sliding plates 18 respectively, through setting up fixed slot 17 and sliding plate 18, can make pillar 4 have the removal space, be convenient for the installation and the dismantlement of pillar 4, two springs 19 of symmetry fixedly connected with on the bottom inner wall of fixed slot 17, two springs 19's top all with sliding plate 18's bottom fixed connection, spring 19 can provide the power that resets for sliding plate 18, spacing groove 20 has all been seted up on fixed slot 17's the both sides inner wall, sliding plate 18's both sides respectively with one side inner wall sliding connection of two spacing grooves 20, spacing groove 20 can reduce frictional force, make sliding plate 18 remove more smooth-going.

The using method of the supporting beam supporting device of the municipal shield tunnel comprises the steps of firstly extending the bottoms of two support columns 4 into two fixing grooves 17 respectively, then moving the two support columns 4 downwards, enabling two sliding plates 18 to move downwards to compress springs 19 through the two support columns 4, then loosening the two support columns 4, enabling the top ends of the support columns 4 to be abutted to the inner wall of the top of a prefabricated pipe 1 under the reset elasticity of the springs 19, enabling the two fixing holes to correspond to two L-shaped clamping columns 15 exactly, rotating two threaded shafts 14 at the moment, enabling the two L-shaped clamping columns 15 to move through the two threaded shafts 14, enabling the two L-shaped clamping columns 15 to be clamped with the fixing clamping holes, further fixing the support columns 4 in the prefabricated pipe 1, and facilitating supporting of a beam 6.

Then, the side, far away from each other, of each of the four beams 6 is abutted against the inner walls of the two sides of the prefabricated pipe 1, then the four beams 6 are moved upwards to clamp the positioning columns 22 on the four beams 6 with the four positioning grooves, when the bottom ends of the positioning columns 22 are contacted with the inner walls of the bottoms of the positioning grooves, the clamping grooves on the beams 6 are just corresponding to the fixed columns 12, at this time, the two limiting shafts 26 are rotated outwards, the two limiting shafts 26 can enable the two moving plates 27 to drive the two limiting columns 29 to move in the directions far away from each other, so that the limiting columns 29 can be separated from the clamping of the limiting holes, so that the limitation on the rotating shaft 8 is removed, then the two rotating shafts 8 are rotated, the two toothed plates 10 can be moved by the two gears 9 through the rotating shaft 8, the two toothed plates 10 can drive the connecting plates 11 to move, and the two connecting plates 11 can respectively enable the four fixed columns 12 to approach each other, thereby can make four fixed columns 12 clamp with four draw-in grooves respectively, then inwards rotate two spacing axles 26 to can make two spacing posts 29 clamp with corresponding spacing hole respectively, fix the position in date, just so can fix crossbeam 6, make the position of crossbeam 6 more firm, be difficult for droing, crossbeam 6 also convenient to detach maintains simultaneously, facilitates the use.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.

Claims

1. A supporting crossbeam supporting device of a municipal shield tunnel comprises a prefabricated pipe (1) and four crossbeams (6), and is characterized in that the prefabricated pipe (1) is internally and respectively and fixedly connected with a first fixing seat (2) and a second fixing seat (3), two pillars (4) are clamped on one sides of the first fixing seat (2) and the second fixing seat (3) close to each other, one sides of the two pillars (4) far away from each other are respectively and fixedly connected with supporting seats (5), the two supporting seats (5) are respectively provided with a fixing cavity (7), one sides of the four crossbeams (6) far away from each other are respectively abutted against the inner walls of the two sides of the prefabricated pipe (1), one sides of the four crossbeams (6) close to each other are respectively attached to one sides of the two supporting seats (5) far away from each other, one sides of the four crossbeams (6) close to each other are respectively provided with a clamping groove, and the inner wall of the bottom of the fixing cavity (7) is rotatably connected with a rotating shaft (8), the top end of the rotating shaft (8) extends to the top of the supporting seat (5) and is fixedly connected with a knob, the rotating shaft (8) is symmetrically and fixedly sleeved with two gears (9), the two gears (9) are respectively engaged with a toothed plate (10), one side of each toothed plate (10) is fixedly connected with the same connecting plate (11), one side of each connecting plate (11) is symmetrically and fixedly connected with two fixing columns (12), the fixing columns (12) are matched with the clamping grooves, the top of the second fixing seat (3) is symmetrically provided with two fixing grooves (17), the two fixing grooves (17) are respectively and slidably connected with sliding plates (18), the bottom parts of the two supporting columns (4) respectively extend into the two fixing grooves (17) and are respectively contacted with the tops of the two sliding plates (18), and the inner wall of the bottom parts of the fixing grooves (17) is symmetrically and fixedly connected with two springs (19), the top of two springs (19) all with the bottom fixed connection of sliding plate (18), the top fixedly connected with fixed plate (25) of supporting seat (5), threaded connection has spacing axle (26) on fixed plate (25), the one end of spacing axle (26) is rotated and is connected with movable plate (27), the bottom of movable plate (27) and the top sliding connection of supporting seat (5), one side fixedly connected with spacing post (29) of movable plate (27), a plurality of spacing holes (28) have been seted up to the annular on pivot (8), spacing post (29) and spacing hole (28) looks adaptation.

2. The support device for the support cross beams of the municipal shield tunnel according to claim 1, wherein two positioning plates (21) are symmetrically and fixedly connected to the inner walls of the two sides of the prefabricated pipe (1), positioning grooves are formed in the tops of the four positioning plates (21), positioning columns (22) are fixedly connected to the bottoms of the four cross beams (6), and the positioning columns (22) are matched with the positioning grooves.

3. The support device for the support beam of the municipal shield tunnel according to claim 1, wherein the first fixing seat (2) is provided with mounting grooves (13) on both sides thereof, the inner wall of the side where the two mounting grooves (13) are close to each other is rotatably connected with threaded shafts (14), the ends of the two threaded shafts (14) away from each other are fixedly connected with handles, the two threaded shafts (14) are respectively connected with L-shaped clamping columns (15) in a threaded manner, the side where the two support columns (4) are away from each other is provided with fixing holes, and the L-shaped clamping columns (15) are matched with the fixing holes.

4. The support beam support device for the municipal shield tunnel according to claim 1, wherein limiting plates (23) are slidably connected to the top inner wall and the bottom inner wall of the fixed chamber (7), and one side of each of the two limiting plates (23) is fixedly connected to the other side of each of the two toothed plates (10).

5. The support beam support device for the municipal shield tunnel according to claim 1, wherein two expansion rods (24) are symmetrically and fixedly connected to the inner wall of one side of the fixed chamber (7), and one ends of the two expansion rods (24) are fixedly connected to one side of the connecting plate (11).

6. The support device for the support beam of the municipal shield tunnel according to claim 3, wherein a sliding groove (16) is formed in the top inner wall of the mounting groove (13), and the top of the L-shaped clamp column (15) is slidably connected with the top inner wall of the sliding groove (16).

7. The support device for the support beam of the municipal shield tunnel according to claim 1, wherein the fixing grooves (17) are provided with limiting grooves (20) on both inner walls, and both sides of the sliding plate (18) are slidably connected to one inner wall of each of the limiting grooves (20).