Sand blowing auxiliary equipment in large-scale pipe jacking sleeve

By designing auxiliary equipment for sand blowing inside large-scale jacking pipe casings, and using arc-shaped rings and clamping plate structures to support the jetting machine's delivery pipe, the problem of the delivery pipe being unable to extend into deep gaps was solved, achieving efficient concrete filling and improving construction efficiency and quality.

CN223579088UActive Publication Date: 2025-11-21THE SECOND CONSTR OF CHINA CONSTR EIGHTH ENG DIV
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Patent Information

Application Number
CN202520152742.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-11-21
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

In existing construction techniques, the delivery pipe of a concrete spraying machine cannot be extended into deep gaps, making it inconvenient to carry out urban stormwater and sewage pipeline renovation.

Method used

A large-scale jacking pipe casing internal sand blowing auxiliary device was designed, including a pair of parallel long rods and an arc-shaped ring structure for supporting the concrete spraying machine delivery pipe, and fixed by clamping plates and locking bolts to achieve stable installation of the device.

Benefits of technology

It improves construction efficiency and quality, effectively fills concrete in deep gaps, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223579088U_ABST
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Abstract

The utility model provides sand blowing auxiliary equipment in a large pipe jacking sleeve, and belongs to the technical field of municipal pipeline construction. According to the technical scheme, the device comprises a pair of long rods which extend into a gap and are arranged in parallel, a plurality of sets of left arc-shaped rings are arranged between the long rods on the two sides for connection, right arc-shaped rings matched with the left arc-shaped rings are arranged on one sides of the left arc-shaped rings, and the left arc-shaped rings and the right arc-shaped rings are matched to form clamping rings used for supporting a conveying pipe of the concrete spraying machine; and a clamping plate connected to the side wall of the port of the pipe jacking sleeve is arranged on one side of the pair of long rods. The device has the advantages that the device is simple in structure and convenient to operate, the auxiliary operation effect on deep gaps is achieved, and the construction efficiency and quality are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a municipal pipeline construction technical field especially relates to a large -scale pipe jacking sleeve sand blowing auxiliary equipment. BACKGROUND

[0002] Now, in the process of city development, with the city construction and the one after another landing and formation of newly built building structures, the reconstruction / new construction of the existing rainwater and sewage drainage pipeline also increases, due to the influence of the existing building structures, a large number of rainwater and sewage pipelines with large buried depth need to be constructed by pipe jacking construction technology to ensure the stability of the surrounding existing building structures and the safety of the surrounding environment. The specific construction method is that cement, sand and water are mixed and stirred according to a certain proportion, then are sent into a concrete injection machine, the mixed material is compressed and sent to the nozzle by compressed air, and is injected into the gap between the inside of the pipe jacking sleeve and the outside of the formal sewage pipeline, which plays a role in reinforcing the formal pipeline to avoid its movement or settlement deformation in the pipe jacking sleeve. In the field construction, some gaps are relatively deep, and the delivery pipe of the concrete injection machine is a hose, so the hose cannot be stretched into the deep gap, and the construction is not convenient, therefore, the present application provides a large -scale pipe jacking sleeve sand blowing auxiliary equipment. SUMMARY

[0003] The utility model discloses a large -scale pipe jacking sleeve sand blowing auxiliary equipment, which is simple to operate and convenient to fix the delivery pipe of the concrete injection machine.

[0004] The utility model is realized through the following measures:

[0005] A large -scale pipe jacking sleeve sand blowing auxiliary equipment, characterized by including a pair of long rods arranged in parallel and stretched into a gap, the gap is the space between the pipe jacking sleeve and the sewage pipeline, a plurality of groups of left arc rings are arranged between the long rods on both sides, the left arc ring is provided with a right arc ring matched on one side, and the left arc ring and the right arc ring are matched to form a snap ring for supporting the delivery pipe of the concrete injection machine.

[0006] One side of the pair of long rods is provided with a clamping plate connected to the side wall of the pipe jacking sleeve port.

[0007] The utility model also has the following specific features:

[0008] The opposite outer sides of the pair of long rods are provided with a sliding groove on both sides;

[0009] The card plate comprises sliding blocks arranged in the sliding grooves on both sides, a U-shaped plate arranged between the two sliding blocks, a connecting plate arranged on one side of the U-shaped plate and extending to the outside of the top pipe sleeve, and a pair of locking bolts arranged on the connecting plate through a threaded structure.

[0010] One end of the right arc-shaped ring is hinged to the corresponding end of the left arc-shaped ring.

[0011] An arc-shaped groove one is arranged on the free end face of the left arc-shaped ring, an arc-shaped groove two that matches the arc-shaped groove one is arranged on the free end face of the right arc-shaped ring, a matching arc-shaped plate is slidably arranged in the arc-shaped groove one, an arc-shaped groove three that penetrates into the arc-shaped groove one is arranged on the side face of the left arc-shaped ring, the arc-shaped plate is provided with a threaded rod that penetrates out of the arc-shaped groove three, a sleeve is screwed on the outer periphery of the threaded rod, the diameter of the sleeve is greater than the width of the arc-shaped groove three, and a handle is arranged on the free end of the sleeve.

[0012] When the device is used, the cement sand prepared according to the mixing ratio is artificially filled into a concrete spraying machine, and the cement sand mixture is sent to the working surface through a conveying pipeline by compressed air to fill, specifically, first, the card plate is fixed on the side wall of the top pipe sleeve port, then the conveying pipe is inserted into the clamping rings for support, the pipe head of the conveying pipe, that is, the spray head, can be fixed on the clamping ring at the head through the corresponding clamping hoop or be fixed by binding with a wire, then the long rod is slid into the gap at the bottom, and then sand blowing filling is performed, along with the filling process, the long rod is slowly slid outward until the whole sand blowing filling process is completed.

[0013] In addition, the filling process is sequentially performed according to the I area, the II area and the III area, the sand blowing sequence is ensured to be lower, middle and upper layers, the sand blowing amount is controlled by the sand filling personnel located at the spraying machine position, the conveying pipe retreat time is determined according to the sand blowing amount, so that the sand filling in the top pipe sleeve is compact and effective.

[0014] The device has the advantages of simple structure, convenient operation, auxiliary operation for deep gaps, and improved construction efficiency and quality. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1It is a whole structure schematic view of the embodiment of the utility model.

[0016] Figure 2 For Figure 1 The enlarged view of A.

[0017] Figure 3 It is a related structure schematic view of the arc plate in the embodiment of the utility model.

[0018] Figure 4 It is a related schematic view of the pipe sleeve and the sewage pipeline in the embodiment of the utility model.

[0019] Wherein, the sign is: 1, long rod;2, sliding groove;3, left arc ring;4, right arc ring;5, U-shaped plate;6, locking bolt;7, connecting plate;8, arc slot three;9, handle;10, sleeve;11, threaded rod;12, arc plate;13, sewage pipeline;14, gap;15, pipe sleeve. Specific implementation

[0020] It should be noted that, in the case of no conflict, the embodiments in the utility model and the features in the embodiments can be combined with each other.

[0021] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0022] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0023] In order to clearly illustrate the technical features of the scheme, the scheme will be described below through specific embodiments.

[0024] Referring to Figures 1-4 A large pipe jacking sleeve sand blowing auxiliary equipment, including a pair of long rod 1 set into the gap 14, the gap 14 is the space between the pipe jacking sleeve 15 and the sewer pipe 13, a plurality of groups of left arc ring 3 is arranged between the two long rod 1, the left arc ring 3 is provided with a matching right arc ring 4 on one side, the left arc ring 3 and the right arc ring 4 are matched to form a snap ring for supporting the concrete jet machine delivery pipe;

[0025] One side of the pair of long rod 1 is provided with a clamping plate connected to the port side wall of the pipe jacking sleeve 15.

[0026] The pair of long rod 1 is provided with a chute 2 on the outer side of the two opposite sides;

[0027] The clamping plate includes a sliding block arranged in the two side chutes 2, a U-shaped plate 5 is arranged between the two sliding blocks, the U-shaped plate 5 is provided with a connecting plate 7 extending to the outside of the pipe jacking sleeve 15 on one side, a pair of locking bolts 6 is arranged on the connecting plate 7 through a threaded structure, after the side wall of the port of the pipe jacking sleeve 15 is clamped between the pair of long rod 1 and the connecting plate 7, the locking bolts 6 are tightened, and the end portion thereof is abutted on the outer side of the pipe jacking sleeve 15, so as to fix the whole equipment.

[0028] One end of the right arc ring 4 is hinged to the corresponding end of the left arc ring 3.

[0029] An arc-shaped groove one is arranged on the free end face of the left arc ring 3, an arc-shaped groove two is arranged on the free end face of the right arc ring 4 and matched with the arc-shaped groove one, an arc-shaped plate 12 is slidably arranged in the arc-shaped groove one, an arc-shaped groove three 8 is arranged on the side surface of the left arc ring 3 and penetrates into the arc-shaped groove one, the arc-shaped plate 12 is provided with a threaded rod 11 penetrating out of the arc-shaped groove three 8, a sleeve 10 is screwed on the outer periphery of the threaded rod 11, the diameter of the sleeve 10 is greater than the width of the arc-shaped groove three 8, and the free end of the sleeve is provided with a handle 9, when the left arc ring 3 and the right arc ring 4 are aligned, the corresponding end of the arc-shaped plate 12 is slid into the arc-shaped groove two, then the handle 9 is tightened, so that the sleeve 10 is pressed on the side surface of the left arc ring 3, the fixation of the arc-shaped plate 12 is realized, and since the arc-shaped plate 12 is simultaneously in the arc-shaped groove one and the arc-shaped groove two, the fixation of the right arc ring 4 is realized.

[0030] When the device is used, the cement sand prepared according to the mixing ratio is filled into the concrete spraying machine, and the cement sand mixture is sent to the working surface through the conveying pipeline by compressed air. Specifically, the clamping plate is first fixed on the side wall of the top pipe sleeve 15 port, then the conveying pipe is inserted into the clamping ring for support, the pipe head of the conveying pipe, that is, the spray head, can be fixed on the clamping ring at the head by the corresponding clamping hoop, or fixed by iron wire, then the long rod 1 is slid into the gap 14 at the bottom, then the sand blowing filling is carried out, along with the filling process, the long rod 1 is slowly slid outward until the whole sand blowing filling process is completed.

[0031] In addition, the filling process is carried out in the order of region I, region II and region III, so that the sand blowing sequence is lower layer, middle layer and upper layer, and the sand blowing amount is controlled by the sand filling personnel at the spraying machine position, the conveying pipe is retreated according to the sand blowing amount to ensure that the sand in the top pipe sleeve 15 is dense and effective.

[0032] The technical features not described in the utility model can be realized by or using the prior art, which will not be described here. Of course, the above description is not a limitation of the utility model, and the utility model is not limited to the above examples. Changes, modifications, additions or replacements made by ordinary skilled persons in the technical field within the essential scope of the utility model should also be within the protection scope of the utility model.

Claims

1. A sandblasting assist device within a large pipe jacking casing, characterized by, The utility model provides a concrete spraying machine pipe support, which comprises a pair of long rods (1) arranged in parallel and extending into a gap (14), a plurality of groups of left arc-shaped rings (3) are arranged between the long rods (1), a right arc-shaped ring (4) is arranged on one side of each left arc-shaped ring (3), and the left arc-shaped ring (3) and the right arc-shaped ring (4) are matched to form a clamping ring for supporting a concrete spraying machine conveying pipe. One side of the long rods (1) is provided with a clamping plate connected to a port side wall of a pipe sleeve (15).

2. A sandblasting assist apparatus within a jacking pipe for large pipes according to claim 1, characterized in that, The long rods (1) are provided with a sliding groove (2) on the outer side of each of the two opposite sides. The clamping plate comprises sliding blocks arranged in the sliding grooves (2), a U-shaped plate (5) is arranged between the sliding blocks, one side of the U-shaped plate (5) is provided with a connecting plate (7) extending to the outside of the pipe sleeve (15), and a pair of locking bolts (6) are arranged on the connecting plate (7) through a threaded structure.

3. A sandblasting assist device within a jacking pipe of a large pipe jacking according to claim 1, characterized in that, One end of the right arc-shaped ring (4) is hingedly connected to a corresponding end of the left arc-shaped ring (3).

4. A sandblasting aid inside a large pipe jacking casing according to claim 3, characterized in that, An arc-shaped groove one is arranged on the free end face of the left arc-shaped ring (3), an arc-shaped groove two matched with the arc-shaped groove one is arranged on the free end face of the right arc-shaped ring (4), an arc-shaped plate (12) matched with the arc-shaped groove one is arranged in the arc-shaped groove one in a sliding mode, an arc-shaped groove three (8) penetrating through the side of the left arc-shaped ring (3) and into the arc-shaped groove one is arranged, the arc-shaped plate (12) is provided with a threaded rod (11) penetrating out of the arc-shaped groove three (8), a sleeve (10) is screwed on the outer periphery of the threaded rod (11), the diameter of the sleeve (10) is greater than the width of the arc-shaped groove three (8), and a handle (9) is arranged on the free end of the sleeve.