Jacking guide device for pipe jacking construction

Abstract

The utility model belongs to the technical field of municipal pipe network construction, and discloses a pipe jacking construction jacking guide device which comprises a clamping assembly used for clamping a pipeline from the two sides to be centered, and further comprises a main machine assembly and an auxiliary machine assembly which are used for pressing the ground to telescopically move and pushing the pipeline to advance, and the clamping assembly is installed on the main machine assembly; the main machine assembly comprises a first support, two limiting sliding grooves are symmetrically formed in the top end of the first support, two first oil cylinders are symmetrically installed at the bottom of the first support, and a first pressing plate is installed between the telescopic ends of the first oil cylinders. The auxiliary machine assembly comprises a second support. According to the pipe-jacking construction jacking guide device, the continuity of pipe-jacking construction is guaranteed through the arrangement that the pipe-jacking construction jacking guide device is pushed to move forwards by pressing the ground; through the arrangement of the adjusting direction of the spherical hinge support, the force application direction of pushing the pipeline again is conveniently corrected; and through the arrangement of V-shaped clamping centering, the applicability to pipelines with different diameters is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of municipal pipe network construction, in particular to a jacking guide device for jacking pipe construction. Background Art

[0002] Pipe jacking is a trenchless construction method, a pipeline burial construction technology with no excavation or minimal excavation. Pipe jacking is to use the jacking force generated by the jacking equipment in the working pit to overcome the friction between the pipeline and the surrounding soil, push the pipeline into the soil according to the designed slope, and transport the soil away.

[0003] In contrast, the Chinese patent with announcement number CN218883170U discloses a jacking guide device for jacking pipe construction, including a jacking guide mechanism, which includes an L-shaped plate, a circular plate, a first screw, an arc plate and a second screw; a circular plate is provided above the L-shaped plate, and the first screw is rotatably connected to the right inner wall of the circular plate, and the outer side of the first screw is threadedly connected to a moving rod, and the right side of the moving rod is fixedly connected to two cross bars, the circular plate is slidably sleeved on the outer sides of the two cross bars, and the right end of the cross bar is rotatably connected to a connecting rod, and the ends of the two connecting rods close to each other are rotatably connected to moving blocks, and the sides of the two moving blocks close to each other are fixedly connected to an arc plate, and two electric telescopic rods are fixedly connected to the bottom inner wall of the L-shaped plate, and the output shaft end of the electric telescopic rod is fixedly connected to a cross plate.

[0004] However, the above patent requires additional external force to promote the overall movement and re-fixation, and cannot ensure the continuity of the pipe jacking construction. Therefore, a new equipment must be designed. Utility Model Content

[0005] The utility model aims to provide a jacking guide device for jacking pipe construction to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A jacking guide device for pipe jacking construction comprises a clamping assembly for clamping a pipe from both sides to center it, and also comprises a main assembly and an auxiliary assembly for pressing the ground to telescopically move and push the pipe forward, wherein the clamping assembly is mounted on the main assembly; the main assembly comprises a first bracket, wherein two limiting slide grooves are symmetrically arranged on the top of the first bracket, and two first oil cylinders are symmetrically arranged on the bottom of the first bracket, and a first pressure plate is installed between the telescopic ends of the first oil cylinders; the auxiliary assembly comprises a second bracket, wherein a third oil cylinder is installed in the middle of the second bracket, and a ball joint support is installed on the telescopic end of the third oil cylinder, and two second oil cylinders are symmetrically arranged on the bottom of the second bracket, and a second pressure plate is installed between the telescopic ends of the second oil cylinders, and the ball joint support is bolted to the first bracket.

[0008] Furthermore: the clamping assembly includes a positive and negative threaded screw, a servo motor is arranged at one end of the positive and negative threaded screw, two screw sleeves are symmetrically installed on the positive and negative threaded screw, a clamping seat is installed at the bottom of the screw sleeve, and the clamping seat is a V-shaped block with relatively distributed openings.

[0009] Furthermore: the threaded sleeve is connected to the clamping seat by bolts, the forward and reverse threaded screw rod is connected to the first bracket bearing, and the servo motor is connected to the first bracket by bolts.

[0010] Furthermore: the bottom surfaces of the first pressing plate and the second pressing plate are both provided with a plurality of anti-slip bosses.

[0011] Furthermore: the first bracket is Z-shaped and made of 45 steel material.

[0012] Furthermore: the second bracket is L-shaped and is made of Q235 steel.

[0013] Compared with the prior art, the beneficial effects are:

[0014] 1. The setting of pressing the ground and pushing forward ensures the continuity of pipe jacking construction;

[0015] 2. The direction of the ball joint support can be adjusted to facilitate the correction of the force direction of the pipeline when it is pushed again;

[0016] 3. The V-shaped clamping centering setting increases the applicability to pipes of different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a jacking guide device for jacking pipe construction described in the utility model;

[0018] Figure 2 It is a schematic diagram of a main unit component of a jacking guide device for jacking construction described in the utility model;

[0019] Figure 3 It is a schematic diagram of a clamping assembly of a jacking guide device for jacking construction of a pipe according to the utility model;

[0020] Figure 4 It is a top axonometric view of an auxiliary machine component of a jacking guide device for jacking construction described in the utility model;

[0021] Figure 5 The utility model discloses a bottom-up axonometric diagram of an auxiliary machine component of a jacking guide device for jacking pipe construction.

[0022] In the accompanying drawings: 101, first bracket; 102, limiting slide groove; 103, first oil cylinder; 104, first pressure plate; 201, positive and negative threaded screw; 202, servo motor; 203, screw sleeve; 204, clamping seat; 301, second bracket; 302, third oil cylinder; 303, second oil cylinder; 304, second pressure plate; 305, ball joint support. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 A jacking guide device for pipe jacking construction includes a clamping assembly for clamping the pipe from both sides to align it, and also includes a main machine assembly and an auxiliary machine assembly for pressing the ground to telescopically move and push the pipe forward. The clamping assembly is installed on the main machine assembly.

[0025] In this embodiment: the main engine assembly includes a first bracket 101, the first bracket 101 is Z-shaped, and is made of 45 steel. Two limiting slide grooves 102 are symmetrically arranged on the top of the first bracket 101. The limiting slide grooves 102 are used to limit the moving trajectory of the screw sleeve 203. Two first oil cylinders 103 are symmetrically installed at the bottom of the first bracket 101. A first pressing plate 104 is installed between the telescopic ends of the first oil cylinder 103. The bottom surface of the first pressing plate 104 is provided with a number of anti-slip bosses, so that the side of the first bracket 101 is close to the end surface of the pipeline. The third oil cylinder 302 is extended through the ball joint support 305 to push the first bracket 101 to push the pipeline forward. The first bracket 101 supports the extension of the first oil cylinder 103, and pushes the first pressing plate 104 to press the ground to fix it, so as to facilitate the retraction of the auxiliary machine assembly forward;

[0026] In this embodiment: the clamping assembly includes a positive and negative threaded screw 201, the positive and negative threaded screw 201 is connected to the first bracket 101 with a bearing, a servo motor 202 is provided at one end of the positive and negative threaded screw 201, the servo motor 202 is bolted to the first bracket 101, two screw sleeves 203 are symmetrically installed on the positive and negative threaded screw 201, a clamping seat 204 is installed at the bottom of the screw sleeve 203, the clamping seat 204 is a V-shaped block, the openings are relatively distributed, the screw sleeve 203 and the clamping seat 204 are bolted, the servo motor 202 drives the positive and negative threaded screw 201 to rotate, pushes the screw sleeve 203 to drive the clamping seat 204 to move along the limiting slide 102, and clamps the pipeline from both sides;

[0027] In this embodiment: the auxiliary machine component includes a second bracket 301, the second bracket 301 is L-shaped and made of Q235 steel. A third oil cylinder 302 is installed in the middle of the second bracket 301, and a ball joint support 305 is installed at the telescopic end of the third oil cylinder 302. Two second oil cylinders 303 are symmetrically installed at the bottom of the second bracket 301, and a second pressure plate 304 is installed between the telescopic ends of the second oil cylinder 303. The bottom surface of the second pressure plate 304 is provided with a plurality of anti-slip bosses. The ball joint support 305 is bolted to the first bracket 101. The second bracket 301 supports the extension of the second oil cylinder 303 to push the second pressure plate 304 to press the ground and fix it. The extension of the third oil cylinder 302 pushes the first bracket 101 to push the pipeline forward through the ball joint support 305, and adjusts the direction under the support of the ball joint support 305 to correct the direction of the force applied to push the pipeline again.

[0028] Working principle: The side of the first bracket 101 is placed close to the end face of the pipeline, and the servo motor 202 drives the forward and reverse threaded screw 201 to rotate, pushing the screw sleeve 203 to drive the clamping seat 204 to move along the limiting slide groove 102, clamping the pipeline from both sides, and the second bracket 301 supports the second oil cylinder 303 to extend, pushing the second pressure plate 304 to press the ground to fix it, and the third oil cylinder 302 extends to push the first bracket 101 to push the pipeline forward through the ball joint support 305, and then the first bracket 101 supports the first oil cylinder 103 to extend, pushing the first pressure plate 104 to press the ground to fix it, the second oil cylinder 303 retracts to drive the second pressure plate 304 to loosen, and the third oil cylinder 302 retracts to drive the second bracket 301 forward, and adjusts the direction under the support of the ball joint support 305, corrects the direction of the force applied to push the pipeline again, and pushes the pipeline forward according to the above steps in a cycle.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A jacking guide device for jacking construction, comprising a clamping assembly for clamping a pipe from both sides for centering, characterized in that: It also includes a main machine component and an auxiliary machine component for pressing the ground to telescopically move and push the pipeline forward, and the clamping component is installed on the main machine component; The main machine assembly comprises a first bracket (101), two limiting slide grooves (102) are symmetrically arranged at the top of the first bracket (101), two first oil cylinders (103) are symmetrically installed at the bottom of the first bracket (101), and a first pressing plate (104) is installed between the telescopic ends of the first oil cylinders (103); The auxiliary machine assembly comprises a second bracket (301), a third oil cylinder (302) is installed in the middle of the second bracket (301), a ball joint support (305) is installed at the telescopic end of the third oil cylinder (302), two second oil cylinders (303) are symmetrically installed at the bottom of the second bracket (301), a second pressure plate (304) is installed between the telescopic ends of the second oil cylinders (303), and the ball joint support (305) and the first bracket (101) are bolted.

2. A jacking guide device for pipe jacking construction according to claim 1, characterized in that: The clamping assembly comprises a forward and reverse threaded screw rod (201), one end of which is provided with a servo motor (202), two screw sleeves (203) are symmetrically mounted on the forward and reverse threaded screw rod (201), a clamping seat (204) is mounted at the bottom of the screw sleeve (203), and the clamping seat (204) is a V-shaped block with openings relatively distributed.

3. A jacking guide device for pipe jacking construction according to claim 2, characterized in that: The threaded sleeve (203) and the clamping seat (204) are connected by bolts, the forward and reverse threaded screw rod (201) and the first bracket (101) are bearing-connected, and the servo motor (202) and the first bracket (101) are connected by bolts.

4. A jacking guide device for pipe jacking construction according to claim 1, characterized in that: The bottom surfaces of the first pressing plate (104) and the second pressing plate (304) are both provided with a plurality of anti-slip bosses.

5. A jacking guide device for pipe jacking construction according to claim 1, characterized in that: The first bracket (101) is in a Z shape and is made of 45 steel.

6. A jacking guide device for pipe jacking construction according to claim 1, characterized in that: The second bracket (301) is L-shaped and made of Q235 steel.

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