CN215486048U

CN215486048U - Efficient tunnel slip casting device of slip casting

Info

Publication number: CN215486048U
Application number: CN202121206204.2U
Authority: CN
Inventors: 马立纲; 乔金丽; 孙永涛; 胡建帮; 朱祥瑞
Original assignee: Yanchong Expressway Management Center Of Hebei Province; Hebei University of Technology
Current assignee: Yanchong Expressway Management Center Of Hebei Province; Hebei University of Technology
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2022-01-11
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a tunnel grouting device with high grouting efficiency in the technical field of grouting equipment, which comprises a grouting anchor rod and a grouting gun body, wherein a grouting connecting pipe is arranged at the grouting opening of the grouting anchor rod, a combined baffle is welded on the outer wall of the grouting connecting pipe, a rubber sealing ring is bonded on the side wall of the combined baffle and is sleeved on the outer wall of the grouting connecting pipe, and a plurality of combined clamping grooves are uniformly formed in the side wall of the grouting connecting pipe. The grouting efficiency is improved.

Description

Efficient tunnel slip casting device of slip casting

Technical Field

The utility model relates to the technical field of grouting equipment, in particular to a tunnel grouting device with high grouting efficiency.

Background

The grouting method is a method of injecting certain curable grout into cracks or pores of a ground foundation to improve its physical and mechanical properties. The purpose of grouting is to prevent seepage, stop leakage, reinforce and correct building deflection. The grouting mechanism comprises: filling grouting, permeating grouting, compacting grouting and splitting grouting. The grouting material comprises granular pulp and chemical pulp, wherein the granular pulp is mainly cement paste, and the chemical pulp comprises silicate (water glass) and polymer pulp.

In the construction process of the subway tunnel, the gap between tunnel walls needs to be reduced through grouting, the existing grouting anchor rod and the grouting gun body are connected in a threaded connection mode (as shown in fig. 6), the installation and the disassembly are complex, and the grouting construction efficiency is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tunnel grouting device with high grouting efficiency so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an efficient tunnel grouting device of slip casting, includes the slip casting stock and the slip casting rifle body, the slip casting mouth department of slip casting stock is provided with the slip casting takeover, the outer wall welding of slip casting takeover has the combination baffle, the lateral wall of combination baffle bonds and has rubber seal, and the rubber seal cover establishes the outer wall of slip casting takeover, a plurality of combination draw-in grooves have evenly been seted up to the lateral wall of slip casting takeover, the muzzle end of the slip casting rifle body seted up with rubber seal matched with ladder draw-in groove, the muzzle end of the slip casting rifle body evenly welds has a plurality of positioning baffle, positioning baffle's lateral wall install with combination draw-in groove matched with combination kelly, the outer end welding of combination kelly has limit baffle, the welding has the reinforcement floor between the lateral wall of the relative lateral wall of positioning baffle and combination kelly and the muzzle lateral wall of the slip casting rifle body.

Preferably, interference fit is adopted between the stepped clamping grooves and the rubber sealing rings, and clearance fit is adopted between the combined clamping rods and the combined clamping grooves.

Preferably, the side wall of the positioning baffle is provided with a positioning screw hole matched with the combined clamping rod, and the positioning screw hole is connected with the end part of the combined clamping rod through threads.

Preferably, the outer wall of the grouting connecting pipe is smoothly arranged, and when the muzzle of the grouting gun body is arranged on the grouting connecting pipe, vaseline or grease is coated on the outer wall of the grouting connecting pipe.

Preferably, the muzzle outer wall of the slip casting rifle body still evenly is provided with a plurality of anti-disengaging mechanism, and crisscross setting each other between a plurality of anti-disengaging mechanism and the positioning baffle.

Preferably, anti-disengaging mechanism includes the support otic placode of welded fastening at slip casting rifle body muzzle lateral wall, the lateral wall that supports the otic placode is installed spacing slide bar, and the tip of spacing slide bar runs through the lateral wall setting that supports the otic placode, spacing slide bar is close to the one end welding of slip casting stock and has the anti-disengaging clamp plate, transversely install the anti-disengaging pressure spring between anti-disengaging clamp plate and the support otic placode, and the anti-disengaging pressure spring housing establishes the outer wall at spacing slide bar, the one end welding that the anti-disengaging clamp plate was kept away from to spacing slide bar has spacing lug.

Compared with the prior art, the utility model has the beneficial effects that: the utility model is convenient for the muzzle of the grouting gun body to be directly inserted on the grouting connecting pipe by replacing the grouting pipe of the existing grouting anchor rod with the grouting connecting pipe of which the outer wall is designed smoothly, and the combined clamping rod can be inserted into the inner cavity of the combined clamping groove, and the limiting baffle can be far away from the gap of the combined clamping groove by rotating the grouting gun body, so that the limiting baffle is clamped on the side wall of the combined baffle, thereby facilitating the installation and the disassembly between the grouting anchor rod and the grouting gun body, improving the grouting efficiency, and the grouting gun body and the grouting anchor rod are sleeved on the rubber sealing ring for sealing through the stepped clamping groove, avoiding the leakage phenomenon in the grouting process, avoiding the phenomenon that the grouting gun body is separated from the grouting anchor rod due to vibration in the grouting process, and also arranging an anti-falling mechanism at the gun head of the grouting gun body, utilizing the elastic force of the anti-falling pressure spring, enabling the grouting gun body and the grouting anchor rod to be combined to provide outward thrust, thereby make between slip casting rifle body and the slip casting stock be in the state of tightening, reduce the slip casting rifle body and cause the phenomenon that breaks away from because of the vibration.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

fig. 2 is a schematic structural view of a grouting anchor rod of the utility model;

FIG. 3 is a schematic view of a grouting gun according to an embodiment of the utility model;

FIG. 4 is a schematic structural diagram of a second grouting gun according to an embodiment of the utility model;

FIG. 5 is an enlarged view of part A of a grouting gun according to a second embodiment of the present invention;

fig. 6 is a schematic structural diagram of a grouting anchor rod and a grouting gun body in the prior art.

In the drawings, the components represented by the respective reference numerals are listed below:

the grouting device comprises a grouting anchor rod 1, a grouting connecting pipe 11, a combined baffle 12, a rubber sealing ring 13, a combined clamping groove 14, a grouting gun body 2, a stepped clamping groove 21, a positioning baffle 22, a combined clamping rod 23, a limiting baffle 24, a reinforcing rib plate 25, an anti-falling mechanism 3, a supporting lug plate 31, a limiting slide rod 32, an anti-falling pressing plate 33 and an anti-falling pressing spring 34.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-3, the present invention provides a technical solution: a tunnel grouting device with high grouting efficiency comprises a grouting anchor rod 1 and a grouting gun body 2, a grouting connecting pipe 11 is arranged at a grouting opening of the grouting anchor rod 1, a combined baffle plate 12 is welded on the outer wall of the grouting connecting pipe 11, a rubber sealing ring 13 is bonded on the side wall of the combined baffle plate 12, the rubber sealing ring 13 is sleeved on the outer wall of the grouting connecting pipe 11, a plurality of combined clamping grooves 14 are uniformly formed in the side wall of the grouting connecting pipe 11, a stepped clamping groove 21 matched with the rubber sealing ring 13 is formed in the gun opening end of the grouting gun body 2, the grouting gun body 2 and the grouting anchor rod 1 are sleeved on the rubber sealing ring 13 through the stepped clamping groove 21 for sealing, and leakage in the grouting process is avoided;

a plurality of positioning baffles 22 are uniformly welded at the muzzle end of the grouting gun body 2, a combined clamping rod 23 matched with the combined clamping groove 14 is installed on the side wall of each positioning baffle 22, the stepped clamping groove 21 and the rubber sealing ring 13 are in interference fit, the sealing performance of the joint of the stepped clamping groove 21 and the rubber sealing ring 13 is guaranteed, the combined clamping rod 23 and the combined clamping groove 14 are in clearance fit, the combined clamping rod 23 can conveniently slide in the inner cavity of the combined clamping groove 14, a positioning screw hole matched with the combined clamping rod 23 is formed in the side wall of each positioning baffle 22, the positioning screw hole is in threaded connection with the end part of the combined clamping rod 23, a limiting baffle 24 is welded at the outer end of the combined clamping rod 23, the grouting pipe of the existing grouting anchor rod 1 is replaced by the grouting connecting pipe 11 with the outer wall of which is in smooth design, the muzzle of the grouting gun body 2 is convenient to be directly inserted in the grouting connecting pipe 11, and the combined clamping rod 23 can be inserted in the inner cavity of the combined clamping groove 14, the limit baffle 24 can be far away from the opening of the combined clamping groove 14 by rotating the grouting gun body 2, and the limit baffle 24 is clamped on the side wall of the combined baffle 12, so that the grouting anchor rod 1 and the grouting gun body 2 are convenient to mount and dismount, and the grouting efficiency is improved;

the reinforcing rib plate 25 is welded between the side wall of the positioning baffle 22 opposite to the combined clamping rod 23 and the gun mouth side wall of the grouting gun body 2, the structural strength between the positioning baffle 22 and the grouting gun body 2 is improved, the outer wall of the grouting connecting pipe 11 is smoothly arranged, and when the gun mouth of the grouting gun body 2 is installed on the grouting connecting pipe 11, Vaseline or butter is coated on the outer wall of the grouting connecting pipe 11, so that the lubricating property and the sealing property of the grouting gun body 2 sleeved on the grouting connecting pipe 11 are improved.

Example two

Referring to fig. 1-5, the present invention provides a technical solution: because the grouting gun body 2 and the grouting anchor rod 1 are fixedly connected in a manner that the combined clamping rod 23 with the limiting baffle 24 is clamped in the inner cavity of the combined clamping groove 14, the grouting gun body 2 can generate a vibration phenomenon due to the flowing of slurry in the grouting working process, and in order to avoid the phenomenon that the grouting gun body 2 is separated from the grouting anchor rod 1 due to the vibration in the grouting process, a plurality of anti-falling mechanisms 3 are uniformly arranged on the outer wall of the muzzle of the grouting gun body 2, the anti-falling mechanisms 3 and the positioning baffles 22 are arranged in a staggered manner, each anti-falling mechanism 3 comprises a supporting ear plate 31 which is fixedly welded on the side wall of the muzzle of the grouting gun body 2, a limiting slide rod 32 is arranged on the side wall of the supporting ear plate 31, the end part of the limiting slide rod 32 penetrates through the side wall of the supporting ear plate 31, one end of the limiting slide rod 32, which is welded with an anti-falling pressing plate 33 near the grouting anchor rod 1, and an anti-falling pressing spring 34 is transversely arranged between the anti-falling pressing plate 33 and the supporting ear plate 31, and the anti-disengaging pressure spring 34 is sleeved on the outer wall of the limiting slide bar 32, a limiting bump is welded at one end, far away from the anti-disengaging pressure plate 33, of the limiting slide bar 32, and an outward thrust can be given to the grouting gun body 2 after the grouting gun body 2 is combined with the grouting anchor rod 1 by utilizing the elastic action of the anti-disengaging pressure spring 34, so that the grouting gun body 2 and the grouting anchor rod 1 are in a tightened state, and the phenomenon that the grouting gun body 2 is separated due to vibration is reduced.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a tunnel slip casting device that slip casting is efficient, includes slip casting stock (1) and slip casting rifle body (2), its characterized in that: the slip casting mouth department of slip casting stock (1) is provided with slip casting takeover (11), the outer wall welding of slip casting takeover (11) has combination baffle (12), the lateral wall of combination baffle (12) bonds and has rubber seal (13), and rubber seal (13) cover establishes the outer wall of slip casting takeover (11), a plurality of combination draw-in grooves (14) have evenly been seted up to the lateral wall of slip casting takeover (11), the muzzle end of the slip casting rifle body (2) seted up with rubber seal (13) matched with ladder draw-in groove (21), the muzzle end of the slip casting rifle body (2) evenly welds and has a plurality of positioning baffle (22), the lateral wall of positioning baffle (22) is installed and is combined draw-in groove (14) matched with combination kelly (23), the outer end welding of combination kelly (23) has limit baffle (24).

2. The efficient grouting tunnel grouting device of claim 1, characterized in that: the step clamping groove (21) and the rubber sealing ring (13) are in interference fit, and the combined clamping rod (23) and the combined clamping groove (14) are in clearance fit.

3. The efficient grouting tunnel grouting device of claim 1, characterized in that: the side wall of the positioning baffle (22) is provided with a positioning screw hole matched with the combined clamping rod (23), and the positioning screw hole is connected with the end part of the combined clamping rod (23) through threads.

4. The efficient grouting tunnel grouting device of claim 1, characterized in that: the outer wall of the grouting connecting pipe (11) is smooth, and when the muzzle of the grouting gun body (2) is installed on the grouting connecting pipe (11), vaseline or grease is smeared on the outer wall of the grouting connecting pipe (11).

5. The efficient grouting tunnel grouting device of claim 1, characterized in that: the muzzle outer wall of slip casting rifle body (2) still evenly is provided with a plurality of anti-disengaging mechanism (3), and crisscross setting each other between a plurality of anti-disengaging mechanism (3) and positioning baffle (22).

6. The efficient grouting tunnel grouting device of claim 5, characterized in that: anti-disengaging mechanism (3) include support otic placode (31) of welded fastening at slip casting rifle body (2) muzzle lateral wall, the lateral wall that supports otic placode (31) installs spacing slide bar (32), and the tip of spacing slide bar (32) runs through the lateral wall setting that supports otic placode (31), spacing slide bar (32) are close to the one end welding of slip casting stock (1) and have anticreep clamp plate (33), anticreep clamp plate (33) and support transversely install anticreep pressure spring (34) between otic placode (31), and anticreep pressure spring (34) cover establish the outer wall at spacing slide bar (32), spacing slide bar (32) are kept away from the one end welding of anticreep clamp plate (33) and are had spacing lug.