Guiding device suitable for jacking pipes with various outer diameters

Abstract

The utility model relates to the technical field of guiding devices, and provides a guiding device suitable for jacking pipes with various outer diameters, which comprises a bottom plate, a plurality of sleepers are parallelly and fixedly connected to the top surface of the bottom plate at equal intervals, a movable base is slidably connected to the upper portions of the sleepers, and two symmetrically distributed side plates are hinged to the top surface of the movable base. A plurality of electric push rods are connected to the sides, away from each other, of the two side plates at equal intervals, one ends of the electric push rods are hinged to the adjacent side plates, the other ends of the electric push rods are hinged to the movable base, and guide assemblies are arranged on the adjacent sides of the two side plates and the middle of the top face of the movable base; the jacking pipe guiding device has the advantages that the problems that jacking pipes with different outer diameters cannot be conveniently conveyed into receiving wells with different sizes through an existing guiding device, and limitation exists in the using process are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of guide devices, in particular to a guide device suitable for jacking pipes with various outer diameters. Background Art

[0002] Pipe jacking, also known as trenchless construction, is a trenchless pipeline burial technique. Pipe jacking involves creating a working well and a receiving well at the end of the pipeline route. Within the working well, the jacking force generated by jacking equipment overcomes the friction between the pipeline and the surrounding soil, pushing the pipeline into the soil in the designed direction and into the receiving well. Pipe jacking does not damage surface structures or the environment and is widely used for the trenchless laying of various large and medium-sized pipes, such as those for urban drainage, natural gas, oil, and telecommunications cables.

[0003] In the existing technology, the jacking construction guide device can be installed for different construction sites, but it can only be adapted to jacking pipes of the same specification, that is, it is not convenient to adjust the size of the guide device, and thus it is not convenient to transport jacking pipes of different outer diameters to receiving wells of different sizes. There are limitations in use. Therefore, a guide device suitable for jacking pipes of various outer diameters is proposed to optimize the above-mentioned existing technology. Utility Model Content

[0004] In response to the above technical problems existing in the prior art, a guiding device suitable for jacking pipes of various outer diameters is provided, which solves the problem that the existing guiding device is not convenient for transporting jacking pipes of different outer diameters to receiving wells of different sizes and has limitations in use.

[0005] The purpose and effect of this utility model are achieved by the following specific technical means:

[0006] A guide device suitable for jacking pipes of various outer diameters, comprising a bottom plate;

[0007] The top surface of the base plate is fixedly connected with multiple sleeper rails in parallel and equidistantly, and a movable base is slidably connected to the top of the sleeper rails. The top surface of the movable base is hinged with two symmetrically distributed side panels, and a plurality of electric push rods are connected at equal distances on the sides of the two side panels that are away from each other. One end of the electric push rod is hinged to the adjacent side panel, and the other end is hinged to the movable base, and a guide assembly is provided on the adjacent side of the two side panels and the middle of the top surface of the movable base.

[0008] Furthermore, each of the guide assemblies includes a guide and several rollers, wherein two of the guides are respectively fixed on the adjacent sides of the two side plates, and the other guide is fixed on the movable base and located between the two side plates, and the several rollers are divided into three rows and are respectively rotatably connected to the three guides.

[0009] Further, the middle part of the guide is provided with a mounting groove, a U-shaped connecting piece is slidably connected in the mounting groove, and the carrier roller is rotatably connected in the connecting piece and protrudes outward from the connecting piece.

[0010] Further, the bottom surface of the moving base is fixedly connected in parallel with a plurality of steel rails, the plurality of steel rails are slidably connected to a plurality of sleeper rails respectively, two driving mechanisms symmetrically arranged between adjacent two sleeper rails, and the driving mechanisms are arranged between the moving base and the bottom plate.

[0011] Further, the driving mechanism comprises a first groove body, a second groove body and a driving piece, the first groove body is fixedly connected to the moving base, the second groove body is fixedly connected to the bottom plate, and the driving piece is installed between the first groove body and the second groove body.

[0012] Further, the driving piece comprises a guide rod, a threaded rod, a first moving block, a second moving block, a first supporting arm, a second supporting arm and a motor, the guide rod is fixedly connected in the first groove body, the threaded rod is rotatably connected in the second groove body, the motor is fixedly installed on the second groove body and the output end thereof is fixedly connected with the threaded rod, the first moving block is slidably connected to the guide rod, the second moving block is threadedly sleeved on the threaded rod, the first supporting arm and the second supporting arm are hingedly connected to each other, one end of the first supporting arm is hingedly connected with the first groove body, the other end is hingedly connected with the second moving block, one end of the second supporting arm is hingedly connected with the second groove body, and the other end is hingedly connected with the first moving block.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The guiding device suitable for various outer diameter pipe jacking devices has the advantages that various outer diameter pipe jacking devices can be limited and conveyed, different outer diameter pipe jacking devices can be conveniently conveyed into different size receiving wells, the guiding device has a wider application range and is more practical. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the guiding device of the utility model with pipe jacking devices placed thereon;

[0016] Figure 2 It is a three-dimensional structure schematic view of the guiding device of the utility model;

[0017] Figure 3 It is a structure schematic view of the guiding device of the utility model Figure 2 ; A is a partial structure schematic view of the utility model

[0018] Figure 4 The utility model discloses a drive mechanism three -dimensional structure schematic diagram.

[0019] Mark in drawing: bottom plate 1, pillow rail 2, mobile base 3, top pipe 4, back wall 5, back steel sheet 6, hydraulic oil cylinder 7, top iron 8, side plate 9, electric push rod 10, guide assembly 11, guide 12, installation groove 13, carrier roller 14, connecting piece 15, hand screw bolt 16, steel rail 17, drive mechanism 18, first groove body 19, second groove body 20, guide rod 21, threaded rod 22, first moving block 23, second moving block 24, first support arm 25, second support arm 26, motor 27, jacking frame 28. DETAILED DESCRIPTION

[0020] Please refer to Figure 1-4 , the embodiment of the utility model is further explained;

[0021] A kind of guide device suitable for multiple outer diameter top pipe, including bottom plate 1;

[0022] The top surface of bottom plate 1 is fixedly connected with multiple pillow rails 2 in parallel and equidistance, and the upper portion of pillow rail 2 is slidably connected with mobile base 3, specifically, the bottom surface of mobile base 3 is fixedly connected with multiple steel rails 17 in parallel, and multiple steel rails 17 are slidably connected on multiple pillow rails 2 respectively, and the top surface of mobile base 3 is hingedly connected with two symmetrically distributed side plates 9, and the side away from each other of two side plates 9 is connected with a plurality of electric push rods 10 at equal distance, one end of electric push rod 10 is hingedly connected with the side plate 9 close to it, and the other end is hingedly connected with mobile base 3, and the side close to each other of two side plates 9 and the middle portion of the top surface of mobile base 3 are both provided with guide assembly 11;Before top pipe 4 is jacked to receiving well, first adjust the space size between two side plates 9 according to the size of top pipe 4, connect power supply to a plurality of electric push rods 10, and electric push rod 10 will drive side plate 9 to turn outwards on mobile base 3 (side plate 9 is turned from vertical plane to horizontal plane), after side plate 9 is adjusted to appropriate position, close a plurality of electric push rods 10, place top pipe 4 on guide assembly 11 on the top surface of mobile base 3, and then start a plurality of electric push rods 10 to make two side plates 9 turn inwards on mobile base 3 (side plate 9 is turned from horizontal plane to vertical plane), until the guide assembly 11 on the inner side of side plate 9 contacts with top pipe 4, so that top pipe 4 is positioned in three guide assemblies 11, according to the position of receiving well, provide external force to mobile base 3 to make it move on multiple pillow rails 2, so that the top pipe 4 on guide device is accurately jacked into receiving well in later stage, through setting the side plate 9 that can turn on mobile base 3, electric push rod 10 that provides power for side plate 9 and guide assembly 11 for top pipe 4 transmission and positioning, a plurality of outer diameter top pipes 4 can be positioned and transmitted, and it is convenient to transmit top pipes of different outer diameters into receiving wells of different sizes, and the guide device has wider application range and is more practical.

[0023] As Figure 2 and 3 shown, each guide assembly 11 includes a guide 12 and several rollers 14, two guides 12 are fixed on the side of the two side plates 9, another guide 12 is fixed on the moving base 3 and between the two side plates 9, several rollers 14 are divided into three rows and are rotatably connected to the three guides 12, the guide 12 is used to install the roller 14, and the roller 14 is used to convey the pipe 4.

[0024] In order to facilitate the installation of the roller 14 on the guide 12, the middle of the guide 12 is provided with an installation slot 13, the installation slot 13 is slidably connected with a U-shaped connecting piece 15, the roller 14 is rotatably connected in the connecting piece 15, and the outer end of the roller 14 protrudes from the connecting piece 15, and the top surface of the guide 12 is inclinedly screwed with a hand screw 16, the inner end of the hand screw 16 penetrates through the inner wall of the guide 12 and is tightly fixed with the connecting piece 15.

[0025] As Figure 1 , 2 and 4 shown, two driving mechanisms 18 are provided between the two adjacent sleeper rails 2, the driving mechanism 18 is arranged between the moving base 3 and the bottom plate 1, and the driving mechanism 18 is used to drive the moving base 3 to slide on the sleeper rail 2.

[0026] The driving mechanism 18 includes a first slot body 19, a second slot body 20 and a driving piece, the first slot body 19 is fixedly connected to the moving base 3, the second slot body 20 is fixedly connected to the bottom plate 1, and the driving piece is installed between the first slot body 19 and the second slot body 20.

[0027] The driving piece includes a guide rod 21, a threaded rod 22, a first moving block 23, a second moving block 24, a first support arm 25, a second support arm 26 and a motor 27, the guide rod 21 is fixedly connected in the first slot body 19, the threaded rod 22 is rotatably connected in the second slot body 20, the motor 27 is fixedly installed on the second slot body 20 and its output end is fixedly connected with the threaded rod 22, the first moving block 23 is slidably connected on the guide rod 21, the second moving block 24 is threadedly sleeved on the threaded rod 22, the first support arm 25 and the second support arm 26 are hingedly connected with each other, one end of the first support arm 25 is hingedly connected with the first slot body 19, the other end is hingedly connected with the second moving block 24, one end of the second support arm 26 is hingedly connected with the second slot body 20, and the other end is hingedly connected with the first moving block 23.

[0028] The jacking equipment includes a rear steel plate 6, a hydraulic oil cylinder 7, a jacking iron 8 and a jacking frame 28, the rear steel plate 6 is fixedly connected to the rear wall 5 beside the working well, the hydraulic oil cylinder 7 is provided with several and is fixed on the rear steel plate 6, the jacking frame 28 is fixedly connected at the output end of the several hydraulic oil cylinders 7, the jacking iron 8 is provided with several and is matched with the pipe 4, and the several jacking irons 8 are placed between the three guide assemblies 11 and behind the pipe 4.

[0029] Working principle: Before pushing the jacking pipe 4 into the receiving well, the size of the space between the two side plates 9 is adjusted according to the size of the jacking pipe 4, and several electric push rods 10 are connected to the power supply. The electric push rods 10 will drive the side plates 9 to turn outward on the movable base 3. After the side plates 9 are adjusted to the appropriate position, several electric push rods 10 are closed, and the jacking pipe 4 and multiple jacking irons 8 are placed on the guide assembly 11 on the top surface of the movable base 3, and the multiple jacking irons 8 are located behind the jacking pipe 4, that is, the multiple jacking irons 8 are close to the jacking equipment, and then several electric push rods 10 are started to turn the two side plates 9 inward on the movable base 3 until the guide assembly 11 on the inner side of the side plate 9 contacts the jacking pipe 4, so that the jacking pipe 4 is confined in the three guide assemblies 11;

[0030] Then, according to the position of the receiving well, the motor 27 is started to drive the threaded rod 22 to rotate, and the threaded rod 22 will drive the second moving block 24 hinged on the second trough 20 to move horizontally, and the second moving block 24 will push the first support arm 25 and the second support arm 26 to rotate, prompting the first trough 19 to push the moving base 3, and the moving base 3 will drive the rail 17 to slide stably on the sleeper rail 2. At the same time, the second support arm 26 will drive the first moving block 23 to slide on the guide rod 21. Therefore, under the use of the driving mechanism 18, the positions of the moving base 3, the side plate 9, the jacking pipe 4 and the multiple jacking irons 8 can be changed, so that the jacking equipment in the later stage can accurately jack the jacking pipe 4 on the guide device into the receiving well;

[0031] Afterwards, the back steel plate 6 is installed at the appropriate position of the back wall 5, so that the jacking frame 28 is aligned with the top iron 8, and several hydraulic cylinders 7 are started to push the jacking frame 28. The jacking frame 28 will push the top iron 8. The top iron 8 serves as a force transmission component to transmit the thrust of the jacking frame 28 to the jacking pipe 4. After the jacking pipe 4 is subjected to the force, it will slide on the rollers 14 of the three guide assemblies 11. As the hydraulic cylinder 7 continues to advance, the jacking pipe 4 can be pushed into the receiving well.

Claims

1. A guide device suitable for jacking pipes of various outer diameters, comprising a bottom plate (1), characterized in that: The top surface of the base plate (1) is fixedly connected to a plurality of sleeper rails (2) in parallel and equidistantly. A movable base (3) is slidably connected to the top of the sleeper rails (2). The top surface of the movable base (3) is hinged to two symmetrically distributed side panels (9). A plurality of electric push rods (10) are evenly connected to the sides of the two side panels (9) that are away from each other. One end of the electric push rod (10) is hinged to the adjacent side panel (9), and the other end is hinged to the movable base (3). A guide assembly (11) is provided on the adjacent side of the two side panels (9) and the middle of the top surface of the movable base (3).

2. The guide device for jacking pipes of various outer diameters according to claim 1, characterized in that: Each of the guide assemblies (11) comprises a guide member (12) and a plurality of rollers (14), wherein two of the guide members (12) are respectively fixed to adjacent sides of the two side plates (9), and another guide member (12) is fixed to the movable base (3) and located between the two side plates (9), and the plurality of rollers (14) are divided into three rows and are rotatably connected to the three guide members (12).

3. The guide device for jacking pipes of various outer diameters according to claim 2, characterized in that: The guide member (12) is provided with a mounting groove (13) in the middle thereof, a U-shaped connecting member (15) is slidably connected in the mounting groove (13), the roller (14) is rotatably connected in the connecting member (15), and the outer end of the roller (14) protrudes from the connecting member (15), and both ends of the top surface of the guide member (12) are connected with hand-tightening bolts (16) in an inclined threaded manner, and the inner end of the hand-tightening bolt (16) passes through the inner wall of the guide member (12) and is tightly fixed to the connecting member (15).

4. The guiding device applicable to jacking pipes of various outer diameters according to claim 1, characterized in that: The bottom surface of the movable base (3) is fixedly connected to a plurality of steel rails (17) in parallel, and the plurality of steel rails (17) are respectively slidably connected to the plurality of sleeper rails (2). Two symmetrically distributed drive mechanisms (18) are provided between two adjacent sleeper rails (2), and the drive mechanisms (18) are arranged between the movable base (3) and the bottom plate (1).

5. The guiding device applicable to jacking pipes of various outer diameters according to claim 4, characterized in that: The driving mechanism (18) comprises a first trough body (19), a second trough body (20) and a driving member, wherein the first trough body (19) is fixedly connected to the movable base (3), the second trough body (20) is fixedly connected to the bottom plate (1), and the driving member is installed between the first trough body (19) and the second trough body (20).

6. The guiding device applicable to jacking pipes of various outer diameters according to claim 5, characterized in that: The driving member comprises a guide rod (21), a threaded rod (22), a first moving block (23), a second moving block (24), a first support arm (25), a second support arm (26) and a motor (27), wherein the guide rod (21) is fixedly connected in the first trough body (19), the threaded rod (22) is rotatably connected in the second trough body (20), the motor (27) is fixedly mounted on the second trough body (20) and its output end is fixedly connected to the threaded rod (22), the first moving block (23) is slidably connected to the guide rod (21), the second moving block (24) is threadedly sleeved on the threaded rod (22), the first support arm (25) and the second support arm (26) are hinged to each other, and one end of the first support arm (25) is hinged to the first trough body (19), and the other end is hinged to the second moving block (24), and one end of the second support arm (26) is hinged to the second trough body (20), and the other end is hinged to the first moving block (23).

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