CN220133978U - Shield constructs section of jurisdiction grout hole shutoff equipment - Google Patents

Abstract

The utility model relates to the technical field of plugging equipment, and discloses grouting hole plugging equipment for shield segments, which comprises an air bag, wherein the bottom of the air bag is sleeved with a film sleeve, a rubber band piece for connection is fixedly arranged at the bottom of the film sleeve, a through hole for placing an external grouting pipe is formed in the center of the rubber band piece, and a stainless steel connecting ring for connection is fixedly arranged at an air inlet of the air bag. This shield constructs section of jurisdiction grout hole shutoff equipment, through the combination setting of film cover, gasbag, rubber band piece and through-hole, because the film cover can overlap in the bottom of gasbag, consequently can avoid cement and gasbag direct contact, the effectual back that solidifies of avoiding cement is in the same place with the gasbag adhesion, and the staff of being inconvenient for takes out the gasbag from the grout hole of shield section of jurisdiction, can cause the gasbag to break when taking out again and influence the use, thereby effectually reduced the waste of resource, the effectual practicality that improves the device.

Description

Shield constructs section of jurisdiction grout hole shutoff equipment

Technical Field

The utility model relates to the technical field of plugging equipment, in particular to grouting hole plugging equipment for shield segments.

Background

The shield segment is a main assembly component for shield construction, is the innermost barrier of a tunnel, and plays roles of resisting soil layer pressure, underground water pressure and some special loads.

Because constructors perform construction operations above the device, the equipment is broken by falling down of the appliance, so that the existing equipment is improved to solve the problems.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a shield segment grouting hole plugging device, which solves the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a shield constructs section of jurisdiction grout hole shutoff equipment, has cup jointed the gasbag of film cover including the bottom, film cover's bottom fixed mounting has the rubber band piece that is used for connecting, the through-hole that is used for placing peripheral grouting pipe is offered to the center department of rubber band piece, the air inlet fixed mounting of gasbag has the stainless steel go-between that is used for connecting, the inner wall fixed mounting of stainless steel go-between has the sealed closing cap that is used for sealed, make the inner wall fixed connection of sealed closing cap is connected the stainless steel go-between at the air inlet of gasbag, the top threaded connection of stainless steel go-between has the upper cover plate that is used for sheltering from, the top grafting of upper cover plate has the sealing plug that is used for sheltering from, makes the sealing plug runs through upper cover plate and the one end of gas inlet inner wall of gas in proper order supports tightly at the top of through-hole and blocks mud, the air guide hole's upper surface has been offered and is used for the air guide hole of intercommunication, the top grafting of air guide hole has the gas receiver that is used for inflating.

Optionally, the inner wall fixed mounting of gas receiver has the air pump that is used for inflating, the side fixed mounting of air pump has the sealing washer that is used for the gas leakage prevention, the bottom grafting of gas vent has the piston that is used for blockking, the upper surface fixed mounting of piston has the spring that is used for tensile, makes the top fixed connection of spring pulls the piston at the inner wall of sealed closing cap.

Optionally, the lower surface of upper cover plate closely laminates has the shield segment that is used for supporting, the grout hole that is used for the intercommunication has been seted up on the surface of shield segment.

Optionally, the bottom of grout hole closely laminates in the upper surface of film cover, the cambered surface that is used for puncture-proof has all been seted up at the inner wall both ends of grout hole.

(III) beneficial effects

The utility model provides a shield segment grouting hole plugging device, which has the following beneficial effects:

1. this shield constructs section of jurisdiction grout hole shutoff equipment, through the combination setting of film cover, gasbag, rubber band piece and through-hole, because the film cover can overlap in the bottom of gasbag, consequently can avoid cement and gasbag direct contact, the effectual back that solidifies of avoiding cement is in the same place with the gasbag adhesion, and the staff of being inconvenient for takes out the gasbag from the grout hole of shield section of jurisdiction, can cause the gasbag to break when taking out again and influence the use, thereby effectually reduced the waste of resource, the effectual practicality that improves the device.

2. This shield constructs section of jurisdiction grout hole shutoff equipment sets up through the combination of stainless steel go-between, sealed closing cap, upper cover plate and sealing plug, because the stainless steel go-between can fix the gasbag in the inside of upper cover plate, therefore smash the device when can avoiding the staff walking or when the instrument drops, causes the device to break cement and overflows from the grout hole, increases staff's work load, further effectual practicality that has improved the device.

Drawings

FIG. 1 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic view of an exploded view of a stainless steel connecting ring according to the present utility model;

FIG. 4 is a schematic view of an explosive structure at a sealing cover of the present utility model.

In the figure: 1. a film sleeve; 2. an air bag; 3. a rubber band sheet; 4. a through hole; 5. a stainless steel connecting ring; 6. sealing and capping; 7. an upper cover plate; 8. sealing; 9. an air guide hole; 10. an air cylinder; 11. an air pump; 12. a piston; 13. a spring; 14. shield segments; 15. grouting holes.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a shield constructs section of jurisdiction grout hole shutoff equipment, the gasbag 2 that has cup jointed film cover 1 in the bottom, film cover 1's bottom fixed mounting has the rubber band piece 3 that is used for connecting, the center department of rubber band piece 3 has been seted up and is used for placing the through-hole 4 of peripheral hardware grout pipe, in order to be convenient for the staff take out the device in the later stage, the air inlet of gasbag 2 is fixed mounting has the stainless steel go-between 5 that is used for connecting, the inner wall fixed mounting of stainless steel go-between 5 has the sealing closing cap 6 that is used for sealedly, make the inner wall fixed connection of sealing closing cap 6 connect at the air inlet of gasbag 2 to stainless steel go-between 5, the top of gasbag 2 and the cavity in the middle of the internal surface of stainless steel go-between 5 can store gas, in order to gas receiver 10 to charge into the inside of gasbag 2, make gasbag 2 inflation grow, avoid gasbag 2 to break away from out from the inside of grout hole 15 and lead to the fact cement;

the upper surface of the sealing cover 6 is provided with an air guide hole 9 used for communication, the top of the air guide hole 9 is inserted with an air cylinder 10 used for air inflation, the inner wall of the air cylinder 10 is fixedly provided with an air pump 11 used for air inflation, the side surface of the air pump 11 is fixedly provided with a sealing ring used for air leakage prevention, the bottom of the air guide hole 9 is inserted with a piston 12 used for blocking, the upper surface of the piston 12 is fixedly provided with a spring 13 used for stretching, the top of the spring 13 is fixedly connected with the inner wall of the sealing cover 6 to pull the piston 12, the piston 12 is inserted into the air guide hole 9 when the air cylinder 10 is not inflated, the piston 12 is ejected out from the inner wall of the air guide hole 9 when the air cylinder 10 is exhausted, and air is discharged into a cavity of the air bag 2;

the top threaded connection of stainless steel go-between 5 has the upper cover plate 7 that is used for sheltering from, the lower surface of upper cover plate 7 closely laminates and has the shield section of jurisdiction 14 that is used for supporting, the grout hole 15 that is used for the intercommunication has been seted up on the surface of shield section of jurisdiction 14, the bottom of grout hole 15 closely laminates at the upper surface of film cover 1, the cambered surface that is used for puncture-proof has all been seted up at the inner wall both ends of grout hole 15, the top grafting of upper cover plate 7 has the shutoff 8 that is used for sheltering from, make the one end that the shutoff 8 passed through upper cover plate 7 in proper order and gasbag 2 air inlet inner wall support tightly at the top of through-hole 4 and block mud, the laminating department of shutoff 8 and gasbag 2 air inlet is provided with the sealing washer, can increase the frictional force of shutoff 8 and gasbag 2 air inlet, avoid the pressure that cement produced to push out the shutoff 8.

In the utility model, the working steps of the device are as follows:

when the grouting device is used, the film sleeve 1 is sleeved at the bottom of the air bag 2, then the air bag 2 is inserted into the grouting hole 15, then the air cylinder 10 is inserted into the air guide hole 9, the air bag 2 is inflated by switching on the power supply of the air pump 11, the upper cover plate 7 and the air bag 2 can be clamped at two ends of the grouting hole 15 to fix the device, finally the grouting pipe is inserted into the through hole 4 from the inner wall of the top of the air bag 2, the grouting pipe is taken out after grouting is finished, and the sealing plug 8 is inserted and abutted against the through hole 4 from the inner wall of the top of the air bag 2, so that slurry overflow is avoided.

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

Claims (4)

1. The utility model provides a shield constructs section of jurisdiction grout hole shutoff equipment, has cup jointed gasbag (2) of film cover (1), its characterized in that including the bottom: the bottom fixed mounting of film cover (1) has rubber band piece (3) that are used for connecting, through-hole (4) that are used for placing peripheral grouting pipe are offered to the center department of rubber band piece (3), the air inlet fixed mounting of gasbag (2) has stainless steel go-between (5) that are used for connecting, the inner wall fixed mounting of stainless steel go-between (5) has sealed closing cap (6) that are used for sealed, makes the inner wall fixed connection of sealed closing cap (6) is connected stainless steel go-between (5) at the air inlet of gasbag (2), the top threaded connection of stainless steel go-between (5) has upper cover plate (7) that are used for sheltering from, the top of upper cover plate (7) is pegged graft and is used for the sealing plug (8) that sheltered from, makes the one end that runs through upper cover plate (7) and gasbag (2) air inlet inner wall in proper order supports tightly at the top of through-hole (4) blocks mud, the upper surface of sealed closing cap (6) has offered and is used for the air vent (9) that communicate, the top of air vent (9) is connected to the air inlet (10), the fixed mounting of air receiver (11) that is used for the air receiver to leak protection.

2. The shield segment grouting hole plugging device according to claim 1, wherein: the bottom of the air guide hole (9) is inserted with a piston (12) for blocking, and a spring (13) for stretching is fixedly arranged on the upper surface of the piston (12), so that the top of the spring (13) is fixedly connected with the inner wall of the sealing cover (6) to pull the piston (12).

3. The shield segment grouting hole plugging device according to claim 1, wherein: the shield segment (14) for supporting is tightly attached to the lower surface of the upper cover plate (7), and grouting holes (15) for communication are formed in the surface of the shield segment (14).

4. The shield segment grouting hole plugging device according to claim 3, wherein: the bottom of the grouting hole (15) is tightly attached to the upper surface of the film sleeve (1), and cambered surfaces for puncture prevention are formed at two ends of the inner wall of the grouting hole (15).