CN211081878U

CN211081878U - Hydraulic engineering construction is with excavating anti-collapse device

Info

Publication number: CN211081878U
Application number: CN201921591869.2U
Authority: CN
Inventors: 牛志丰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-07-24
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a hydraulic engineering construction is with excavating anti-collapse device in the technical field of hydraulic engineering, the bottom of the supporting frame is provided with a movable wheel, a connecting plate is arranged between the fixed stations, the inner cavity of a first cylinder is slidably provided with a first supporting rod, the top of the first supporting rod is fixedly connected with a first supporting seat, one end of the first supporting rod is provided with a piston, the air inlet end of the air pipe is provided with an air inlet valve seat, the side wall of the fixed station is horizontally provided with a second cylinder assembly, the end of the second cylinder assembly is fixedly connected with a second supporting seat, a reinforcing plate is obliquely arranged between the first supporting seat and the second supporting seat, the two ends of the reinforcing plate are fixed by a connecting piece, the utility model provides effective and reliable support for the installed duct piece, so that the duct piece has enough acting force to cope with the pressure of the local tunnel, avoid taking place the accident of collapsing, convenient operation is swift, and the security is high.

Description

Hydraulic engineering construction is with excavating anti-collapse device

Technical Field

The utility model relates to a hydraulic engineering technical field specifically is a hydraulic engineering construction is with excavating anti-collapse device.

Background

The hydraulic engineering shield tunnel passes through or is adjacent to the existing underground pipelines, traffic facilities and buildings inevitably, and the development and the utilization of the underground structure are increased day by day. Therefore, the shield construction of the hydraulic engineering must be considered, the collapse of an affected area must be avoided, and the safety of the existing structure is determined.

The shield constructs the machine at the during operation, needs to install the section of jurisdiction in the tunnel that link up, lacks the holding power after the section of jurisdiction installation, can lead to the not enough problem that leads to collapsing of section of jurisdiction atress, and the security is not high, for this reason, we provide a hydraulic engineering construction with excavating anti-collapse device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic engineering construction is with excavating anti-collapse device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an excavation collapse prevention device for hydraulic engineering construction comprises a support frame, wherein moving wheels are installed at the bottom of the support frame, a fixed table is fixedly connected to the top of the support frame, a first air cylinder barrel is vertically arranged at the top of the fixed table, a connecting plate is arranged between the fixed tables, a first supporting rod is arranged in a sliding mode in an inner cavity of the first air cylinder barrel, a first supporting seat is fixedly connected to the top of the first supporting rod, a piston is arranged at one end of the first supporting rod, two groups of air pipes are arranged on the side wall of the first air cylinder barrel, air inlet ends of the two groups of air pipes penetrate through the connecting plate and extend to the bottom of the connecting plate, an air inlet valve seat is arranged at the air inlet end of each air pipe, a second air cylinder assembly is horizontally arranged on the side wall of the fixed table, a second supporting seat is fixedly connected to the tail end of the second air, the reinforcing plate both ends are fixed through the connecting piece, just the reinforcing plate surface is provided with the backup pad.

Furthermore, the inner cavity of the first cylinder barrel is provided with a first air cavity and a second air cavity respectively, the two groups of air pipes are connected with the first air cavity and the second air cavity respectively, and air valves are arranged on the air pipes.

Furthermore, the breather pipe is of a T-shaped pipe structure, the breather pipes are connected to the air inlet valve seat in an inserted mode, and two air inlets are formed in the air inlet valve seat.

Furthermore, the surfaces of the first supporting seat and the second supporting seat are provided with connecting concave platforms, the two ends of the reinforcing plate are of concave structures matched with the shapes of the side walls of the supporting seats, and the reinforcing plate is movably clamped on the side walls of the supporting seats.

Further, the connecting piece is bolt and nut group, the connecting piece runs through reinforcing plate and supporting seat in proper order, just the connecting piece runs through supporting seat inner chamber and is close to surperficial one side.

Furthermore, the surfaces of the first supporting seat and the second supporting seat are both in arc structures, and the first supporting seat and the second supporting seat are both in elastic structures.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, reasonable in design after tunnel shield has installed the section of jurisdiction, removes this device to the tunnel in, through the mode that starts to compress tightly for the support seat removes and provides reliable support to the section of jurisdiction surface, makes the section of jurisdiction have sufficient effort, carries out concrete placement around the section of jurisdiction again afterwards, avoids the problem that tunnel part sinks, and convenient operation is swift, and the security is high.

Drawings

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

fig. 2 is the schematic view of the cross-sectional structure of the supporting seat of the present invention.

In the figure: 1. a support frame; 2. a moving wheel; 3. a fixed table; 4. a connecting plate; 5. a first cylinder tube; 51. a first air cavity; 52. a second air cavity; 6. a piston; 7. a first support bar; 8. a first support base; 81. connecting the concave platform; 9. a breather pipe; 10. an air inlet valve seat; 11. a second cylinder assembly; 12. a second support seat; 13. a connecting member; 14. a reinforcing plate; 15. and a support plate.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features 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.

Detailed Description

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

The utility model provides a digging anti-collapse device for hydraulic engineering construction, which has the advantage of providing effective and reliable support for the installed duct piece, so that the duct piece has enough acting force to deal with the pressure of the local tunnel wall, and the collapse accident is avoided;

referring to fig. 1, a moving wheel 2 is installed at the bottom of a support frame 1, the top of the support frame 1 is fixedly connected with fixed tables 3, a connecting plate 4 is arranged between the fixed tables 3, and a pipe hole is formed in the connecting plate 4;

referring to fig. 1, a first cylinder 5 is vertically arranged at the top of a fixed table 3, a first support rod 7 is slidably arranged in an inner cavity of the first cylinder 5, a first support seat 8 is fixedly connected to the top of the first support rod 7 and used for supporting a duct piece at the top of a tunnel, the first support seat 8 and a second support seat 12 below are both made of elastic materials, a piston 6 is arranged at one end of the first support rod 7, the piston 6 is slidably arranged in the inner cavity of the first cylinder 5, and the first support rod 7 is pushed to move by using the change of air pressure;

referring to fig. 1, two sets of air pipes 9 are disposed on the side wall of the first air cylinder 5, air holes are disposed on the side wall of the first air cylinder 5, air inlet ends of the two sets of air pipes 9 penetrate through the connecting plate 4 and extend to the bottom of the connecting plate, the two sets of air pipes 9 are disposed in tandem, and an air inlet valve seat 10 is disposed at the air inlet end of the air pipe 9;

referring to fig. 1, a second cylinder assembly 11 is horizontally arranged on the side wall of the fixed table 3, the second cylinder assembly 11 has the same structure as the inner cavity of the first cylinder 5, and the end of the second cylinder assembly 11 is fixedly connected with a second support base 12 for supporting the duct pieces on the two sides of the tunnel;

referring to fig. 1, a reinforcing plate 14 is obliquely disposed between the first support seat 8 and the second support seat 12, bolt holes are disposed at two ends of the reinforcing plate 14, two ends of the reinforcing plate 14 are fixed by a connecting member 13, a support plate 15 is disposed on a surface of the reinforcing plate 14, a cross section of the support plate 15 is an arch structure, and the support plate 15 is made of a steel structure material.

Example (b): when a tunnel shield is started and received, a three-shaft stirring reinforcement or freezing and steel sleeve mode is adopted, surrounding soil bodies are lowered, the shield is tunneled strictly according to appointed bottom crossing parameters during normal tunneling, soil pressure and slag discharge are controlled, slurry leakage, sand leakage and the like at the tail of the shield are prevented strictly, a segment sealing rubber gasket is bonded, water leakage and the like of segments are prevented strictly, slurry is replenished to a settlement part in time, after the segments are installed, the device is moved into the tunnel through a moving wheel 2, one end of a gas guide pipe is connected with an air inlet valve seat 10, the other end of the gas guide pipe is connected with an air pump, the air pump is started, an air valve on a vent pipe 9 connected with a second gas cavity 52 is opened, the air pressure in the inner cavity of the second gas cavity 52 is larger than the pressure in a first gas cavity 51, a piston 6 rises along the inner cavity wall of a first gas cylinder barrel 5, a first supporting rod 7 is pushed to rise until a first supporting seat, utilize the same method to support the section of jurisdiction that compresses tightly both sides with second supporting seat 12, at last with reinforcing plate 14 card on first supporting seat 8 and second supporting seat 12 of one side, and fix through connecting piece 13, backup pad 15 supports on the section of jurisdiction between two sets of supporting seats this moment, it is fixed to form effectual support to the section of jurisdiction, avoid the section of jurisdiction to bear the pressure in the tunnel and the problem that sinks, the security is high, pour the reinforcement through the concrete afterwards, during the dismantlement, to first air cavity 51 in pour into gas can, high durability and convenient use is swift.

The inner cavity of the first cylinder barrel 5 is respectively provided with a first air cavity 51 and a second air cavity 52, the two groups of vent pipes 9 are respectively connected with the first air cavity 51 and the second air cavity 52, air valves are arranged on the vent pipes 9, and air is respectively introduced into the first air cavity 51 and the second air cavity 52 by controlling the on-off of the air valves, so that the first supporting seat 8 is pressed and detached.

The breather pipe 9 is a T-shaped pipe structure, the two groups of breather pipes 9 are inserted into the air inlet valve seat 10, and two air inlets are formed in the air inlet valve seat 10.

Referring to fig. 2, the first support seat 8 and the second support seat 12 are both provided with a connecting concave 81 on the surface, the two ends of the stiffener 14 are concave structures adapted to the shape of the side wall of the support seat, and the stiffener 14 is movably clamped on the side wall of the support seat.

The connecting piece 13 is a bolt and nut group, so that the installation and the disassembly are convenient, the connecting piece 13 sequentially penetrates through the reinforcing plate 14 and the supporting seat, and the connecting piece 13 penetrates through one side of the inner cavity of the supporting seat, which is close to the surface.

The surfaces of the first support seat 8 and the second support seat 12 are both arc structures, and the first support seat 8 and the second support seat 12 are both elastic structures.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 hydraulic engineering construction is with excavating anti-collapse device, includes support frame (1), its characterized in that: the movable wheel (2) is installed at the bottom of the support frame (1), the top of the support frame (1) is fixedly connected with the fixed table (3), a first air cylinder barrel (5) is vertically arranged at the top of the fixed table (3), a connecting plate (4) is arranged between the fixed tables (3), a first supporting rod (7) is arranged in the inner cavity of the first air cylinder barrel (5) in a sliding mode, the top of the first supporting rod (7) is fixedly connected with a first supporting seat (8), a piston (6) is arranged at one end of the first supporting rod (7), two groups of air pipes (9) are arranged on the side wall of the first air cylinder barrel (5), air inlets of the two groups of air pipes (9) penetrate through the connecting plate (4) and extend to the bottom of the air pipes, an air inlet valve seat (10) is arranged at the air inlet of the air pipes (9), a second air cylinder assembly (11) is, the end of the second cylinder assembly (11) is fixedly connected with a second supporting seat (12), a reinforcing plate (14) is obliquely arranged between the first supporting seat (8) and the second supporting seat (12), two ends of the reinforcing plate (14) are fixed through connecting pieces (13), and a supporting plate (15) is arranged on the surface of the reinforcing plate (14).

2. The excavation collapse prevention device for the hydraulic engineering construction according to claim 1, characterized in that: the inner cavity of the first air cylinder barrel (5) is provided with a first air cavity (51) and a second air cavity (52) respectively, the two groups of air pipes (9) are connected with the first air cavity (51) and the second air cavity (52) respectively, and air valves are arranged on the air pipes (9).

3. The excavation collapse prevention device for the hydraulic engineering construction according to claim 1, characterized in that: the ventilating pipes (9) are of a T-shaped pipe structure, the two groups of ventilating pipes (9) are inserted into the air inlet valve seat (10), and two air inlets are formed in the air inlet valve seat (10).

4. The excavation collapse prevention device for the hydraulic engineering construction according to claim 1, characterized in that: connection concave station (81) have all been seted up on first supporting seat (8) and second supporting seat (12) surface, reinforcing plate (14) both ends are the concave type structure of adaptation and supporting seat lateral wall shape, just reinforcing plate (14) activity joint in the supporting seat lateral wall.

5. The excavation collapse prevention device for the hydraulic engineering construction according to claim 1, characterized in that: the connecting piece (13) is a bolt and nut group, the connecting piece (13) penetrates through the reinforcing plate (14) and the supporting seat in sequence, and the connecting piece (13) penetrates through the inner cavity of the supporting seat and is close to one side of the surface.

6. The excavation collapse prevention device for the hydraulic engineering construction according to claim 1, characterized in that: the surfaces of the first supporting seat (8) and the second supporting seat (12) are both arc structures, and the first supporting seat (8) and the second supporting seat (12) are both elastic structures.