CN218376474U

CN218376474U - Precast concrete shield constructs section of jurisdiction

Info

Publication number: CN218376474U
Application number: CN202222844707.3U
Authority: CN
Inventors: 金雪波; 刘胤; 邹李白
Original assignee: Ningbo Tianhe Yongda Metro Segment Co ltd
Current assignee: Ningbo Tianhe Yongda Metro Segment Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-01-24
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a precast concrete shield constructs section of jurisdiction relates to the shield and constructs section of jurisdiction technical field, shield including being used for precast concrete's shield pipe fitting, the inside of shield pipe fitting is provided with the strutting arrangement who is used for supporting the shield pipe fitting, the surface of shield pipe fitting is provided with the fixing device who is used for consolidating the shield pipe fitting and connects, strutting arrangement includes the hydro-cylinder, the fixed surface of hydro-cylinder is connected with hydraulic pressure pipe, the inner wall sliding connection of hydraulic pressure pipe has and is used for at the gliding piston of hydraulic pressure pipe wall. This precast concrete shield constructs section of jurisdiction, after shield pipe fitting concatenation is installed, put into the inside of shield pipe fitting with strutting arrangement, start the oil pump and pass through the inside that the hose extracted hydraulic pressure pipe with hydraulic oil, thereby promote the piston, hydraulic stem and supporting shoe remove, thereby support the shield pipe fitting, before preventing that the concrete from not solidifying, the inboard holding power of shield pipe piece is not enough, lead to the concrete to produce the crack, thereby waterproof performance and the durability that has reached improve equipment.

Description

Precast concrete shield constructs section of jurisdiction

Technical Field

The utility model relates to a shield constructs section of jurisdiction technical field, specifically is a precast concrete shield constructs section of jurisdiction.

Background

The shield segment is a main assembly component for shield construction, is the outermost barrier of the tunnel and plays a role in resisting soil layer pressure, underground water pressure and some special loads. The shield segment is a permanent lining structure of a shield tunnel, and the quality of the shield segment is directly related to the overall quality and safety of the tunnel, so that the waterproof performance and the durability of the tunnel are influenced.

The publication number is CN211666722U discloses a tunnel shield constructs section of jurisdiction, including the section of jurisdiction body, the equal fixedly connected with connecting block in both sides of section of jurisdiction body bottom, the surface of connecting block is provided with the rotation axis, the surperficial swing joint of rotation axis has the arc piece, the inner chamber threaded connection of arc piece has fixing bolt, the logical groove that cooperation fixing bolt used has been seted up on the surface of section of jurisdiction body, the left side fixedly connected with block post of section of jurisdiction body, the right side of section of jurisdiction body have been seted up the cooperation block post and have been used the block groove, but the above-mentioned device has following not enough, and the device passes through arc piece and fixing bolt and fixes the shield section of jurisdiction, nevertheless before the concrete has not solidified yet, and the inboard holding power of shield section of jurisdiction is not enough, leads to the concrete easily and produces the crack, influences shield section of jurisdiction waterproof performance and durability.

Therefore, the utility model provides a precast concrete shield constructs section of jurisdiction to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a precast concrete shield constructs section of jurisdiction has the function of strengthening supporting shield the section of jurisdiction in the installation, has solved the aforesaid before the concrete has not solidified yet, and the inboard holding power of shield section of jurisdiction is not enough, leads to the concrete to produce the crack easily, influences the problem of shield section of jurisdiction waterproof performance and durability.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a precast concrete shield constructs section of jurisdiction, constructs the pipe fitting including the shield that is used for precast concrete, the inside of shield pipe fitting is provided with the strutting arrangement who is used for supporting the shield pipe fitting, the surface that the shield pipe fitting was provided with is used for consolidating the fixing device that the shield pipe fitting is connected, strutting arrangement includes the hydro-cylinder, the outer fixed surface of hydro-cylinder is connected with the hydraulic pressure pipe, the inner wall sliding connection of hydraulic pressure pipe has the piston that is used for sliding at the hydraulic pressure pipe wall, one side fixedly connected with of piston is used for supporting the hydraulic stem that the shield pipe fitting was connected at the concrete setting in-process, the one end of hydraulic stem extend to the surface of hydraulic pressure pipe and with the outer wall swing joint of hydraulic pressure pipe, the one end fixed mounting of hydraulic stem has the supporting shoe that is used for contacting the shield pipe fitting inner wall, the inner wall fixed mounting of hydro-cylinder has the oil pump that is used for extracting hydraulic oil, the output setting of oil pump is in the inside of hydraulic pressure pipe, the input setting of oil pump is in the inside of hydro-cylinder, the input fixedly connected with hose of oil pump.

Preferably, the shield pipe fitting includes the shield structure section of jurisdiction, the upper end fixedly connected with connecting block of shield structure section of jurisdiction, the spread groove has been seted up to the lower extreme of shield structure section of jurisdiction, the right fixed surface of shield structure section of jurisdiction is connected with the fixture block, the draw-in groove has been seted up to the left wall of shield structure section of jurisdiction.

Preferably, the shield constructs the inside of section of jurisdiction and has seted up notes silo, the feed port has been seted up to the internal surface of shield constructs the section of jurisdiction, the one end setting of feed port is on annotating the surface in silo.

Preferably, the inner wall of the material injection groove is fixedly connected with a reinforcing strip.

Preferably, fixing device includes the arc piece, one side hinged joint of arc piece is at the surface of shield pipe fitting, the mounting hole has been seted up on the surface of arc piece, the inner wall threaded connection of mounting hole has the gim peg, the other end threaded connection of gim peg is on the surface of shield pipe fitting.

Preferably, the outer side of the supporting block is provided with a sealing rubber block, and the surface of the sealing rubber block is arranged on the surface of the feeding hole.

Preferably, one end of the hose is fixedly provided with a gravity ball.

Preferably, a through hole is formed in the gravity ball.

Advantageous effects

The utility model provides a precast concrete shield constructs section of jurisdiction. Compared with the prior art, the method has the following advantages

Has the beneficial effects that:

1. this precast concrete shield constructs section of jurisdiction, after the shield pipe fitting concatenation is installed, put into the inside of shield pipe fitting with strutting arrangement, start the oil pump and pass through the hose and extract the inside of hydraulic pressure pipe with hydraulic oil to promote the piston, hydraulic stem and supporting shoe and remove, thereby support the shield pipe fitting, before preventing that the concrete from not solidifying, the inboard holding power of shield section of jurisdiction is not enough, leads to the concrete to produce the crack, thereby has reached improve equipment's waterproof performance and durability.

2. This precast concrete shield constructs section of jurisdiction through the inside with fixture block insert draw-in groove, inserts the inside of spread groove with the connecting block, is convenient for splice the shield pipe fitting, can effectively improve the installation rate, through the setting of arc piece and gim peg for two shield constructs that the section of jurisdiction is connected more stably, through the setting of reinforcing strip, improves the bulk strength that the shield constructs the section of jurisdiction, thereby has reached the effect of improve equipment practicality.

Drawings

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

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

fig. 3 is a schematic structural diagram of the present invention;

fig. 4 is a schematic sectional structure of the present invention.

In the figure: 1. a shield pipe fitting; 2. a support device; 3. a fixing device; 11. a shield segment; 12. a clamping block; 13. a card slot; 14. a material injection groove; 15. a feed port; 16. connecting blocks; 17. connecting grooves; 18. reinforcing the strips; 21. an oil cylinder; 22. a hydraulic tube; 23. a piston; 24. a hydraulic lever; 25. a supporting block; 26. an oil pump; 27. a hose; 28. a gravity ball; 29. sealing the rubber block; 31. an arc-shaped sheet; 32. a fixing bolt; 33. and (7) mounting holes.

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 first embodiment is as follows:

referring to fig. 1-4, a precast concrete shield segment includes a shield pipe 1 for precast concrete, a supporting device 2 for supporting the shield pipe 1 is disposed inside the shield pipe 1, the supporting device 2 includes an oil cylinder 21, an outer surface of the oil cylinder 21 is fixedly connected with a hydraulic pipe 22, an inner wall of the hydraulic pipe 22 is slidably connected with a piston 23 for sliding on a wall of the hydraulic pipe 22, one side of the piston 23 is fixedly connected with a hydraulic rod 24 for supporting the shield pipe 1 during a concrete solidification process, one end of the hydraulic rod 24 extends to an outer surface of the hydraulic pipe 22 and is movably connected with an outer wall of the hydraulic pipe 22, one end of the hydraulic rod 24 is fixedly mounted with a supporting block 25 for contacting an inner wall of the shield pipe 1, an inner wall of the oil cylinder 21 is fixedly mounted with an oil pump 26 for pumping hydraulic oil, an output end of the oil pump 26 is disposed inside the hydraulic pipe 22, an input end of the oil pump 26 is disposed inside the oil cylinder 21, an input end of the oil pump 26 is fixedly connected with a hose 27, one end of the hose 27 is fixedly mounted with a gravity ball 28, a through hole is disposed inside the gravity ball 28, a sealing rubber block 29 is disposed outside the supporting block 25, and a surface of the sealing rubber block 29 is disposed on a surface of the feeding hole 15.

In this embodiment, after shield pipe fitting concatenation is installed, put into the inside of shield pipe fitting with strutting arrangement 2, start oil pump 26 and extract fluid to hydraulic pressure pipe 22's inside through hose 27, thereby promote piston 23, hydraulic stem 24 and supporting shoe 25 remove, thereby support the shield pipe fitting, before preventing that the concrete from not solidifying, the inboard holding power of shield pipe piece is not enough, lead to the concrete to produce the crack, the gravity of hose 27's feed liquor end is strengthened through setting up of gravity ball 28, prevent that hose 27 from floating in the top of hydraulic oil, the influence drawing liquid effect.

The second embodiment:

referring to fig. 1-4, the present embodiment provides a technical solution based on the first embodiment: shield pipe fitting 1 includes shield segment 11, shield segment 11's upper end fixedly connected with connecting block 16, connecting groove 17 has been seted up to shield segment 11's lower extreme, shield segment 11's right side fixed surface is connected with fixture block 12, draw-in groove 13 has been seted up to shield segment 11's left wall, shield segment 11's inside has been seted up and has been annotated silo 14, feed port 15 has been seted up to shield segment 11's internal surface, feed port 15's one end sets up on annotating silo 14's surface, annotate silo 14's inner wall fixedly connected with reinforcing bar 18, fixing device 3 includes arc piece 31, one side hinged joint of arc piece 31 is at shield pipe fitting 1's surface, mounting hole 33 has been seted up on arc piece 31's surface, the inner wall threaded connection of mounting hole 33 has gim peg 32, gim peg 32's other end threaded connection is on shield pipe fitting 1's surface.

In this embodiment, through the inside with fixture block 12 insertion draw-in groove 13, insert the inside of connecting groove 17 with connecting block 16, be convenient for splice shield pipe fitting, can effectively improve the installation rate, setting through arc piece 31 and gim peg 32, make two shield structure section of jurisdiction connect more stable, setting through reinforcing strip 18, improve the bulk strength of shield structure section of jurisdiction, setting up through feed port 15 makes things convenient for the concrete to pour into the inside of notes silo 14, then make things convenient for this shield structure section of jurisdiction to pour concrete, and seal feed port 15 through sealed gluey piece 29, when preventing that shield structure section of jurisdiction from inclining, the concrete flows back out from feed port 15.

And those not described in detail in this specification are well within the skill of those in the art.

In operation, through the inside with fixture block 12 insertion draw-in groove 13, insert the inside of connecting block 16 with connecting block 16, be convenient for splice the shield pipe fitting, the inside of concrete injection groove 14 is made things convenient for through setting up of feed port 15, then make things convenient for this shield section of jurisdiction to pour the concrete, then put into the inside of shield pipe fitting with strutting arrangement 2, start the inside of drawing fluid to hydraulic pressure pipe 22 through hose 27 through oil pump 26, thereby promote piston 23, hydraulic stem 24 and supporting shoe 25 remove, thereby support the shield pipe fitting, before preventing that the concrete from not solidifying, the inboard holding power of shield section of jurisdiction is not enough, lead to the concrete to produce the crack, and seal up feed port 15 through sealed glue piece 29, when preventing the shield section of jurisdiction side, the concrete flows back from feed port 15 and comes out.

It is noted that, herein, relational terms such as first and second, and the like may be 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 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 precast concrete shield constructs section of jurisdiction, includes shield pipe fitting (1) that is used for precast concrete, its characterized in that: a supporting device (2) for supporting the shield pipe fitting (1) is arranged inside the shield pipe fitting (1), and a fixing device (3) for reinforcing the connection of the shield pipe fitting (1) is arranged on the outer surface of the shield pipe fitting (1);

support arrangement (2) are including hydro-cylinder (21), the external fixed surface of hydro-cylinder (21) is connected with hydraulic pressure pipe (22), the inner wall sliding connection of hydraulic pressure pipe (22) has and is used for at the gliding piston (23) of hydraulic pressure pipe (22) wall, one side fixedly connected with of piston (23) is used for supporting hydraulic stem (24) of shield pipe fitting (1) at the concrete solidification in-process, the one end of hydraulic stem (24) extend to the surface of hydraulic pressure pipe (22) and with the outer wall swing joint of hydraulic pressure pipe (22), the one end fixed mounting of hydraulic stem (24) has supporting shoe (25) that are used for contacting shield pipe fitting (1) inner wall, the inner wall fixed mounting of hydro-cylinder (21) has oil pump (26) that are used for extracting hydraulic oil, the output setting of oil pump (26) is in the inside of hydraulic pressure pipe (22), the input setting of oil pump (26) is in the inside of hydro-cylinder (21), the input fixedly connected with hose (27) of oil pump (26).

2. The precast concrete shield segment of claim 1, wherein: the shield constructs pipe fitting (1) including shield structure section of jurisdiction (11), the upper end fixedly connected with connecting block (16) of shield structure section of jurisdiction (11), spread groove (17) have been seted up to the lower extreme of shield structure section of jurisdiction (11), the right fixed surface of shield structure section of jurisdiction (11) is connected with fixture block (12), draw-in groove (13) have been seted up to the left wall of shield structure section of jurisdiction (11).

3. The precast concrete shield segment of claim 2, characterized in that: the shield constructs the inside of section of jurisdiction (11) and has seted up notes silo (14), feed port (15) have been seted up to the internal surface of shield constructs section of jurisdiction (11), the one end setting of feed port (15) is on the surface of annotating silo (14).

4. The precast concrete shield segment of claim 3, wherein: the inner wall of the material injection groove (14) is fixedly connected with a reinforcing strip (18).

5. The precast concrete shield segment of claim 1, characterized in that: fixing device (3) include arc piece (31), one side hinged joint of arc piece (31) is at the surface of shield pipe fitting (1), mounting hole (33) have been seted up on the surface of arc piece (31), the inner wall threaded connection of mounting hole (33) has gim peg (32), the other end threaded connection of gim peg (32) is on the surface of shield pipe fitting (1).

6. The precast concrete shield segment of claim 1, wherein: the outer side of the supporting block (25) is provided with a sealing rubber block (29), and the surface of the sealing rubber block (29) is arranged on the surface of the feeding hole (15).

7. The precast concrete shield segment of claim 1, wherein: one end of the hose (27) is fixedly provided with a gravity ball (28).

8. The precast concrete shield segment of claim 7, wherein: the gravity ball (28) is internally provided with a through hole.