Pipe jacking machine convenient to adjust

Abstract

The utility model discloses a pipe jacking machine convenient to adjust, which relates to the technical field of pipe jacking machines and comprises a bottom plate, a case is arranged at one end of the bottom plate, an electric push rod is arranged on the inner side of the case, a top plate is arranged at the top end of the electric push rod, and a laser theodolite is arranged at the center of the top plate on the inner side of the case. Two sets of moving plates are arranged on the bottom plate and located on one side of the machine box, the moving plates and the bottom plate are connected through sliding mechanisms, supporting mechanisms are arranged on the moving plates, guide mechanisms are arranged on the two sides of the moving plates, and a laser theodolite can play a positioning role, so that an installed cement joint pipe and a front cement joint pipe are coaxial. The supporting mechanism can move on the bottom plate through the sliding mechanism, the supporting mechanism can be more stable in the moving process through the guiding mechanism, the cement joint pipe can be prevented from shaking, and the cement joint pipe can be rapidly positioned.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe jacking machines, in particular to a pipe jacking machine convenient for adjustment. Background Technique

[0002] Pipe jacking construction is a trenchless construction method, which is a pipeline laying construction technology with little or no excavation. Pipe jacking method construction is to generate jacking force by means of a pipe jacking machine in a working pit, overcome the friction between the pipeline and the surrounding soil, jack the pipeline into the soil according to the designed slope, and transport the soil away. After one pipe is jacked into the soil layer, the second pipe is lowered and the jacking continues. Its principle is to use a jacking oil cylinder to push the tool pipe or tunneling machine from the working pit through the soil layer until it is lifted in the receiving pit, and the pipeline follows behind the tool pipe or tunneling machine and is buried between the two pits.

[0003] Before the pipe jacking machine works, it needs to be installed inside the foundation pit on the ground to perform pipe jacking operations on the soil inside the foundation pit. However, during the working process of the pipe jacking machine, the cement joint pipe placed on the pipe jacking machine cannot be limited, which easily causes the cement joint pipe to shake, affecting the accuracy, and the cement joint pipe cannot be quickly docked. When placing the cement joint pipe, it needs to be placed in the accurate position, affecting the work efficiency.

[0004] Based on this, a pipe jacking machine convenient for adjustment is now provided, which can eliminate the drawbacks of the existing device. Content of the Utility Model

[0005] The purpose of the utility model is to provide a pipe jacking machine convenient for adjustment, so as to solve the problems that during the working process of the existing pipe jacking machine, the cement joint pipe placed on the pipe jacking machine cannot be limited, which easily causes the cement joint pipe to shake, affecting the accuracy, and the cement joint pipe cannot be quickly docked. When placing the cement joint pipe, it needs to be placed in the accurate position, affecting the work efficiency.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A pipe jacking machine convenient for adjustment includes a bottom plate. One end of the bottom plate is provided with a machine box. An electric push rod is arranged inside the machine box. The top end of the electric push rod is provided with a top plate. A laser theodolite is arranged at the center position of the top plate inside the machine box. Two groups of moving plates are arranged on the bottom plate on one side of the machine box. The moving plates are connected with the bottom plate through a sliding mechanism. A supporting mechanism is arranged on the moving plates. Guide mechanisms are arranged on both sides of the moving plates.

[0008] On the basis of the above technical solutions, the utility model also provides the following optional technical solutions:

[0009] In an alternative solution: The sliding mechanism includes a chute, and several chutes are arranged on the bottom plate. A slider is slidably connected to the inside of the chute at the bottom of the moving plate.

[0010] In an alternative solution: The support mechanism includes an arc-shaped support plate, and the arc-shaped support plate is fixedly connected to the top of the moving plate.

[0011] In an alternative solution: The guiding mechanism includes a connecting block, and the connecting blocks are located on both sides of the moving plate. An activity groove is arranged at the outer end of the connecting block, and a guide wheel is rotatably connected to the inside of the activity groove. A fixing plate is arranged on the bottom plate on one side of the guide wheel, and a guiding groove is arranged on the inner side of the fixing plate, and the guide wheel is rollingly connected to the inside of the guiding groove.

[0012] In an alternative solution: The outer side of the fixing plate is fixedly connected to the bottom plate through a rib plate.

[0013] In an alternative solution: Several second telescopic rods are arranged between the moving plates, and a return spring is sleeved outside the second telescopic rods.

[0014] In an alternative solution: A rubber pad is arranged at the outer end of the top plate.

[0015] In an alternative solution: Several hydraulic cylinders are arranged at the bottom of the bottom plate, and a first telescopic rod is arranged at the output end of the hydraulic cylinder and is fixedly connected to the bottom plate.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] In the present utility model, a laser theodolite is arranged at the center position of the top plate inside the chassis, and two groups of moving plates are arranged on the bottom plate on one side of the chassis. The moving plates and the bottom plate are connected through a sliding mechanism, a support mechanism is arranged on the moving plates, and guiding mechanisms are arranged on both sides of the moving plates. The laser theodolite can play a positioning role, so that the installed cement joint pipe and the previous cement joint pipe are coaxial. The support mechanism can move on the bottom plate through the sliding mechanism, and the guiding mechanism can make the support mechanism more stable during the movement process, which can not only prevent the cement joint pipe from shaking, but also quickly position it. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the first perspective of the present utility model.

[0019] Figure 2 It is a schematic diagram of the overall structure of the second perspective of the present utility model.

[0020] Figure 3 It is a schematic diagram of the overall structure of the third perspective of the present utility model.

[0021] Annotation of reference numerals: 1, bottom plate; 2, chassis; 3, electric push rod; 4, top plate; 5, rubber pad; 6, laser theodolite; 7, hydraulic cylinder; 8, chute; 9, moving plate; 10, slider; 11, arc-shaped support plate; 12, connecting block; 13, movable groove; 14, guide wheel; 15, fixed plate; 16, guide groove; 17, rib plate; 18, first telescopic rod; 19, second telescopic rod; 20, return spring. Detailed implementation manners

[0022] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0023] Embodiment 1

[0024] In one embodiment, as Figures 1 - 3 shown, a pipe jacking machine that is convenient to adjust includes a bottom plate 1, a chassis 2 is arranged at one end of the bottom plate 1, an electric push rod 3 is arranged inside the chassis 2, a top plate 4 is arranged at the top end of the electric push rod 3, a laser theodolite 6 is arranged at the center position of the top plate 4 inside the chassis 2, two groups of moving plates 9 are arranged on the bottom plate 1 on one side of the chassis 2, the moving plates 9 are connected to the bottom plate 1 through a sliding mechanism, a support mechanism is arranged on the moving plates 9, and guiding mechanisms are arranged on both sides of the moving plates 9. The laser theodolite 6 can play a positioning role, so that the installed cement joint pipe and the previous cement joint pipe are coaxial. The support mechanism can move on the bottom plate through the sliding mechanism, and the guiding mechanism can make the support mechanism more stable during the movement.

[0025] In one embodiment, as Figure 1 shown, the sliding mechanism includes a chute 8, a plurality of chutes 8 are arranged on the bottom plate 1, and sliders 10 are slidably connected inside the chutes 8 at the bottom of the moving plates 9, and the moving plates 9 can slide horizontally.

[0026] In one embodiment, as Figure 1 shown, the support mechanism includes an arc-shaped support plate 11, the arc-shaped support plate 11 is fixedly connected to the top of the moving plate 9, the arc-shaped support plate 11 and the top plate 4 are at the same height, and the cement joint pipe is placed on the arc-shaped support plate 11, and it can be quickly positioned through the arc-shaped support plate 11.

[0027] In one embodiment, as Figure 1 and Figure 2As shown in the figure, the guiding mechanism includes a connecting block 12. The connecting block 12 is located on both sides of the moving plate 9. An activity slot 13 is arranged at the outer end of the connecting block 12. A guide wheel 14 is rotatably connected in the activity slot 13. On the bottom plate 1, a fixing plate 15 is arranged on one side of the guide wheel 14. A guiding slot 16 is arranged inside the fixing plate 15, and the guide wheel 14 is in rolling connection in the guiding slot 16. The rolling of the guide wheel 14 in the guiding slot 16 can make the connecting block 12 more stable during the moving process.

[0028] In one embodiment, as Figure 1 shown, the outer side of the fixing plate 15 is fixedly connected to the bottom plate 1 through a rib plate 17. The rib plate 17 plays a role in strengthening the fixing plate 15.

[0029] In one embodiment, as Figure 3 shown, a number of second telescopic rods 19 are arranged between the moving plates 9. A return spring 20 is sleeved outside the second telescopic rods 19. The return spring 20 has a return function.

[0030] Embodiment 2

[0031] In one embodiment, as Figure 1 shown, a rubber pad 5 is arranged at the outer end of the top plate 4. The rubber pad has an anti-slip function.

[0032] In one embodiment, as Figure 2 shown, a number of hydraulic cylinders 7 are arranged at the bottom of the bottom plate 1. The output end of the hydraulic cylinder 7 is fixedly connected to the bottom plate 1 through a first telescopic rod 18. The hydraulic cylinder 7 can adjust the height of the bottom plate 1 through the first telescopic rod 18.

[0033] The above embodiments disclose a pipe jacking machine that is easy to adjust. During use, the cement joint pipe is placed on the support plate 11 in the foundation pit through a crane. The laser theodolite 6 can play a positioning role, so that the installed cement joint pipe is coaxial with the previous cement joint pipe. The bottom plate 1 can be appropriately adjusted through the hydraulic cylinder. The electric push rod 3 is started to drive the top plate 4 to push the cement joint pipe on the support plate 11 for pipe jacking operation.

[0034] The above is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art within the technical scope disclosed in the present application can easily think of changes or substitutions, which should all be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A pipe jacking machine that is easy to adjust, comprising a bottom plate (1), a machine box (2) is arranged on one end of the bottom plate (1), an electric push rod (3) is arranged inside the machine box (2), and a top plate (4) is arranged at the top of the electric push rod (3), characterized in that: A laser theodolite (6) is arranged at the center of the top plate (4) inside the chassis (2), two groups of movable plates (9) are arranged on the bottom plate (1) at one side of the chassis (2), the movable plates (9) and the bottom plate (1) are connected via a sliding mechanism, a supporting mechanism is arranged on the movable plates (9), and guiding mechanisms are arranged on both sides of the movable plates (9).

2. The easily adjustable pipe jacking machine according to claim 1, characterized in that: The sliding mechanism comprises a sliding groove (8), wherein a plurality of the sliding grooves (8) are arranged on the bottom plate (1), and the bottom of the movable plate (9) is located in the sliding groove (8) and is slidably connected with a sliding block (10).

3. The easily adjustable pipe jacking machine according to claim 1, characterized in that: The supporting mechanism comprises an arc-shaped supporting plate (11), and the arc-shaped supporting plate (11) is located on the top of the moving plate (9) and is fixedly connected.

4. The easily adjustable pipe jacking machine according to claim 1, characterized in that: The guide mechanism comprises a connecting block (12), the connecting block (12) being located on both sides of the movable plate (9), a movable groove (13) being provided at the outer end of the connecting block (12), a guide wheel (14) being rotatably connected in the movable groove (13), a fixed plate (15) being provided on one side of the guide wheel (14) on the bottom plate (1), a guide groove (16) being provided on the inner side of the fixed plate (15), and the guide wheel (14) being located in the guide groove (16) and being rollingly connected therein.

5. The easily adjustable pipe jacking machine according to claim 4, characterized in that: The outer side of the fixing plate (15) is fixedly connected to the bottom plate (1) via a rib plate (17).

6. The easily adjustable pipe jacking machine according to claim 1, characterized in that: A plurality of second telescopic rods (19) are arranged between the movable plates (9), and a return spring (20) is sleeved on the outer side of the second telescopic rods (19).

7. The easily adjustable pipe jacking machine according to claim 1, characterized in that: A rubber pad (5) is provided at the outer end of the top plate (4).

8. The easily adjustable pipe jacking machine according to claim 1, characterized in that: A plurality of hydraulic cylinders (7) are arranged at the bottom of the base plate (1), and a first telescopic rod (18) is arranged at the output end of the hydraulic cylinder (7) and is fixedly connected to the base plate (1).

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