Automatic guiding device in pipe jacking project

Abstract

The utility model relates to the technical field of pipe jacking engineering equipment, and discloses an automatic guide device in pipe jacking engineering, which is characterized in that a pipeline is placed on the surface of a placement guide rail, and a lifting mechanism can drive the device to lift integrally, so that the height of the device can adapt to different construction sites, and the construction efficiency is improved. The two limiting rods limit the two sides of the pipeline, the pushing mechanism drives the top plate to jack the pipeline, the two limiting rods limit the front end of the pipeline while the pipeline moves, the pipeline is prevented from deviating towards the two sides, and in the moving process of the pipeline in the stratum, the height of the lifting plate is adjusted through the adjusting mechanism; the lifting plate drives the top plate to adjust the height, limiting and guiding are conveniently carried out in the moving process of the jacking pipe, the jacking pipe is prevented from deviating, the mounting accuracy of the jacking pipe is improved, and meanwhile the height during pipe jacking can be adjusted so as to adapt to the change of a front machine head of a pipeline when a stratum suddenly changes from soft soil to hard rock or enters the soft soil from the hard rock.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pipe jacking engineering equipment technical field, concretely is an automatic guiding device in pipe jacking engineering. BACKGROUND

[0002] Pipe jacking engineering is a kind of trenchless underground pipeline construction technology, and prefabricated pipeline is sequentially jacked into stratum by hydraulic or mechanical jacking equipment, which is widely applied in municipal pipe network, traffic tunnel, water conservancy engineering and other fields.

[0003] Among them, the jacking system is arranged in the pipe jacking engineering, and the main jacking device is composed of multiple hydraulic jacks to provide pipeline jacking power.

[0004] According to CN222067791U disclosed in the automatic guiding device in engineering pipe jacking, including guide rail assembly and propelling mechanism, guide rail assembly includes cross tie and support rail, support rail is fixedly installed on the upper side wall surface of cross tie, propelling mechanism is located at the right side position of guide rail assembly, propelling mechanism includes hydraulic push rod, the left side wall surface of hydraulic push rod is fixedly installed with detachable mounting box. The pipe jacking can be placed on the upper wall surface of guide rail assembly, and the pipe jacking is moved by the elongation of hydraulic push rod, during the elongation of hydraulic push rod, the mounting box will move to the left, the contact plate will first contact the pipe jacking, the contact plate will move to the right under the action of force, the hydraulic telescopic rod and the first spring will be compressed, the first spring and the hydraulic telescopic rod will generate reaction force to reduce the force suffered by the contact plate, thereby reducing the damage to the pipe jacking, in addition, when the mounting box moves, the sliding roller will roll on the guide rail assembly to play a supporting role.

[0005] The above-mentioned device moves the pipe jacking by the elongation of hydraulic push rod, but still has the following deficiencies:

[0006] 1. The pipe jacking in the above-mentioned device is placed on the upper wall surface of guide rail assembly, without limiting the pipe jacking, so that the pipe jacking will swing left and right on the upper surface of guide rail assembly during movement, affecting the precision of pipe jacking installation.

[0007] 2. When the stratum suddenly changes from soft soil to hard rock during pipe jacking of the above-mentioned device, the contact plate cannot reduce the height to increase the bottom supporting force, and the machine head is easy to suddenly penetrate (plant head), which causes ground subsidence, and vice versa, when the machine head is planted in soft soil from hard rock, the machine head may be damaged.

[0008] Therefore, we propose an automatic guiding device in pipe jacking engineering to solve the problems in the above background. INVENTION CONTENTS

[0009] The utility model aims at providing an automatic guiding device in pipe jacking engineering to solve the problems of pipe jacking deviation during movement and the contact plate unable to be lifted and lowered.

[0010] To solve the above technical problems, the utility model provides the following technical scheme:

[0011] An automatic guiding device in pipe jacking engineering, including the bottom of the placement guide rail is installed with the lifting mechanism that drives the whole device to lift, the surface of the placement guide rail is all slidingly connected with two limit rods that guide the pipeline, one end of two limit rods is installed with the moving mechanism that drives two limit rods to move, one end of the placement guide rail is fixedly connected with the supporting plate, the inside of the supporting plate is slidingly connected with the liftable lifting plate, the surface of the lifting plate is installed with the adjusting mechanism that drives the lifting plate to lift, one end of the lifting plate is provided with the top plate that guides the pipeline to push in, the other end of the lifting plate is installed with the advancing mechanism that drives the top plate to move.

[0012] Preferably, the surface of the placement guide rail is rotatably connected with a plurality of rollers that reduce the friction of the bottom of the pipeline.

[0013] Preferably, the inner wall of the limit rod is rotatably connected with a guide roller that reduces the friction of the two sides of the pipeline.

[0014] Preferably, the lifting mechanism includes the main plate arranged below the placement guide rail, the surface of the main plate is fixedly connected with a plurality of hydraulic rods that drive the placement guide rail to lift, and the output end of the hydraulic rod is fixedly connected with the placement guide rail below.

[0015] Preferably, the bottom of the main plate is fixedly connected with a plurality of universal wheels that drive the main plate to move.

[0016] Preferably, the moving mechanism includes the motor two fixedly connected on one side of the placement guide rail, the output shaft of the motor two is fixedly connected with the bidirectional screw rod, the bidirectional screw rod is rotatably connected in the placement guide rail, and the surface of the bidirectional screw rod is respectively threadedly connected with two limit rods on both sides, so as to drive two limit rods to relatively move on the surface of the placement guide rail.

[0017] Preferably, the adjusting mechanism includes the motor one fixedly connected on one end of the supporting plate, the output shaft of the motor one is fixedly connected with the screw rod, the screw rod is rotatably connected in the supporting plate, and the surface of the screw rod is threadedly connected with the lifting plate, so as to drive the lifting plate to move in the supporting plate.

[0018] Preferably, the inner wall of the supporting plate is fixedly connected with the limit rod that limits the movement of the lifting plate, and the lifting plate is slidingly connected on the surface of the limit rod.

[0019] Preferably, the advancing mechanism includes the air cylinder fixedly connected on the surface of the lifting plate, and the output shaft of the air cylinder is fixedly connected with the surface of the top plate, so as to provide power for the top plate.

[0020] Preferably, the surface of the lifting plate is slidingly connected with the positioning rod, one end of the positioning rod is fixedly connected with the surface of the top plate, and the movement direction of the top plate is limited.

[0021] Compared with the prior art, the utility model has the advantages that:

[0022] The utility model discloses a placing guide rail is placed on the surface of placing guide rail, and a plurality of hydraulic rods are started to drive placing guide rail to move upwards, the height of the device can adapt to different construction sites, and the two limiting rods are relatively moved on the surface of placing guide rail under the rotation of the bidirectional screw rod driven by motor no.

[0023] The motor no. 1 drives the screw rod to rotate during the movement of the pipeline in the stratum, the lifting plate slides in the support plate under the screw rod, and the lifting plate slides on the surface of the limiting rod, the lifting plate drives the top plate to move in position, the lifting plate drives the top plate to adjust the height, changes the height of the top plate contacting the pipeline, and adapts to the change of the pipeline front head when the stratum suddenly changes from soft soil to hard rock or when the stratum suddenly changes from hard rock to soft soil. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the whole structure schematic view of the utility model;

[0025] Figure 2 It is the side structure schematic view of the utility model;

[0026] Figure 3 It is the three -dimensional structure schematic view of the utility model;

[0027] Figure 4 It is the structure schematic view of the utility model's propelling mechanism and adjusting mechanism.

[0028] Among them: 1, placing guide rail;2, limiting rod;3, support plate;4, lifting plate;5, top plate;6, roller;7, guide roller;8, motor no. 2;9, bidirectional screw rod;10, mainboard;11, universal wheel;12, hydraulic rod;13, motor no. 1;14, screw rod;15, limiting rod;16, cylinder;17, positioning rod. DETAILED DESCRIPTION

[0029] The specific embodiments of the utility model are described in detail below, but it should be understood that the protection scope of the utility model is not limited by the specific embodiments.

[0030] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0031] As Figures 1-3 Indicated, a automatic guiding device in pipe jacking engineering, including the placement guide rail 1, the bottom of the placement guide rail 1 is installed with the lifting mechanism of driving the whole device lifting, the surface of the placement guide rail 1 is slidably connected with the two limit rods 2 of guiding pipe, one end of the two limit rods 2 is installed with the moving mechanism of driving the two limit rods 2 moves, one end of the placement guide rail 1 is fixedly connected with the support plate 3, the inside of the support plate 3 is slidably connected with the liftable lifting plate 4, the surface of the lifting plate 4 is installed with the adjusting mechanism of driving the lifting plate 4 lifts, one end of the lifting plate 4 is provided with the top plate 5 of top entry pipe, the other end of the lifting plate 4 is installed with the propulsion mechanism of driving the top plate 5 moves.

[0032] As Figures 1-3 Indicated, the pipe is placed on the surface of the placement guide rail 1, starts the lifting mechanism and can drive the whole device lifting, makes the height of the device can adapt to different construction site, starts the moving mechanism, makes the moving mechanism drive the two limit rods 2 relative movement, makes the two limit rods 2 limit the two sides of pipe, starts the propulsion mechanism, makes the propulsion mechanism drive the top plate 5 top entry pipe, while the pipe moves, the two limit rods 2 limit the front end of pipe, prevent the pipe from deviating to both sides, in the process of pipe moving in stratum, the height of the lifting plate 4 is adjusted by adjusting mechanism, makes the lifting plate 4 drive the top plate 5 height adjustment, to adapt to the change of pipe front head when stratum suddenly changes from soft soil to hard rock or from hard rock into soft soil, it is convenient to limit guiding in the process of pipe moving, prevent the pipe from deviating, improve the precision of pipe installation, can also adjust the height of pipe simultaneously, to adapt to the change of pipe front head when stratum suddenly changes from soft soil to hard rock or from hard rock into soft soil.

[0033] Further, as Figures 1-3 Indicated, the surface of the placement guide rail 1 is rotatably connected with multiple rollers 6 of reducing the friction of pipe bottom.

[0034] The inner wall of the limit rod 2 is rotatably connected with the guide roller 7 of reducing the friction of pipe two sides.

[0035] When the pipe moves, the multiple rollers 6 and guide rollers 7 are driven by the pipe to rotate, the multiple rollers 6 and guide rollers 7 reduce the friction of the pipe when moving, improve the stability of pipe movement.

[0036] Further, asFigures 1-3 As shown, the lifting mechanism includes a main plate 10 arranged below the placing guide rail 1, the surface of the main plate 10 is fixedly connected with a plurality of hydraulic rods 12 driving the placing guide rail 1 to lift, the output end of the hydraulic rod 12 is fixedly connected with the placing guide rail 1 below.

[0037] The bottom of the main plate 10 is fixedly connected with a plurality of universal wheels 11 driving the main plate 10 to move.

[0038] The main plate 10 is moved by the plurality of universal wheels 11 to facilitate the movement of the device, and the main plate 10 can be fixed during use to ensure the stability of the main plate 10. The placing guide rail 1 is lifted by starting the plurality of hydraulic rods 12 to drive the placing guide rail 1 to move upward, so that the height of the device can adapt to different construction sites.

[0039] The plurality of universal wheels 11 have a self-locking structure, which is prior art and will not be repeated here.

[0040] Further, as shown in the figure, Figures 1-3 The moving mechanism includes a motor two 8 fixedly connected to one side of the placing guide rail 1, the output shaft of the motor two 8 is fixedly connected with a bidirectional screw rod 9, the bidirectional screw rod 9 is rotatably connected in the placing guide rail 1, the surface of the bidirectional screw rod 9 is respectively screwed with two limiting rods 2 on both sides, driving the two limiting rods 2 to move relatively on the surface of the placing guide rail 1.

[0041] The motor two 8 drives the bidirectional screw rod 9 to rotate, so that the bidirectional screw rod 9 drives the two limiting rods 2 to move relatively on the surface of the placing guide rail 1, so that the two limiting rods 2 contact the two sides of the pipe, facilitating the guidance of pipes of different specifications. While the pipe is moving, the two limiting rods 2 limit the front end of the pipe to prevent the pipe from shifting to both sides.

[0042] Further, as shown in the figure, Figures 1-4 The adjusting mechanism includes a motor one 13 fixedly connected to one end of the support plate 3, the output shaft of the motor one 13 is fixedly connected with a lead screw 14, the lead screw 14 is rotatably connected inside the support plate 3, the surface of the lead screw 14 is screwed with a lifting plate 4, driving the lifting plate 4 to move inside the support plate 3.

[0043] The inner wall of the support plate 3 is fixedly connected with a limiting rod 15 limiting the movement of the lifting plate 4, and the lifting plate 4 is slidingly connected to the surface of the limiting rod 15.

[0044] The motor one 13 drives the lead screw 14 to rotate, so that the lead screw 14 drives the lifting plate 4 to slide inside the support plate 3, and the lifting plate 4 slides on the surface of the limiting rod 15, so that the lifting plate 4 drives the top plate 5 to move in position.

[0045] Further, as shown in the figure, Figures 1-4As shown, the advancing mechanism comprises a cylinder 16 fixedly connected to the surface of the lifting plate 4, and the output shaft of the cylinder 16 is fixedly connected to the surface of the top plate 5 to provide power for the top plate 5.

[0046] The surface of the lifting plate 4 is slidably connected with a positioning rod 17, one end of the positioning rod 17 is fixedly connected to the surface of the top plate 5 to limit the moving direction of the top plate 5.

[0047] The cylinder 16 is started to drive the top plate 5 to pipe jacking, and the top plate 5 drives the positioning rod 17 to slide in the lifting plate 4 at the same time, so that the positioning rod 17 positions the moving direction of the top plate 5, mainly providing power for the top plate 5.

[0048] The working principle of the automatic guiding device in the pipe jacking project is as follows:

[0049] The pipe is placed on the surface of the placing rail 1, the plurality of hydraulic rods 12 are started to drive the placing rail 1 to move upwards, the lifting of the placing rail 1 is completed, the height of the device can adapt to different construction sites, the motor two 8 drives the bidirectional screw rod 9 to rotate, the bidirectional screw rod 9 drives the two limiting rods 2 to relatively move on the surface of the placing rail 1, the two limiting rods 2 contact the two sides of the pipe, which is convenient for guiding the pipes of different specifications, at the same time, the pipe below contacts the plurality of rollers 6, and the pipe sides contact the guide rollers 7, the cylinder 16 is started to drive the top plate 5 to pipe jacking, the top plate 5 drives the positioning rod 17 to slide in the lifting plate 4 at the same time, so that the positioning rod 17 positions the moving direction of the top plate 5, the pipe drives the plurality of rollers 6 and the guide rollers 7 to rotate at the same time of moving, which reduces the friction of the pipe when moving, the two limiting rods 2 limit the front end of the pipe, which prevents the pipe from deviating to the two sides, is convenient for limiting and guiding in the process of pipe jacking, prevents the pipe jacking from deviating, and improves the accuracy of pipe jacking installation.

[0050] In the process of moving the pipe in the stratum, the motor one 13 drives the screw rod 14 to rotate, the screw rod 14 drives the lifting plate 4 to slide in the supporting plate 3, and the lifting plate 4 slides on the surface of the limiting rod 15, so that the lifting plate 4 drives the top plate 5 to move in position, the lifting plate 4 drives the top plate 5 to adjust the height, changes the height of the pipe surface contacted by the top plate 5, to adapt to the change of the pipe front head when the stratum suddenly changes from soft soil to hard rock or from hard rock to soft soil, and the height of pipe jacking can be adjusted to adapt to the change of the pipe front head when the stratum suddenly changes from soft soil to hard rock or from hard rock to soft soil.

[0051] The above disclosure is only several specific embodiments of the utility model, but the utility model embodiments are not limited to this, any change that can be thought of by any person skilled in the art should fall into the protection scope of the utility model.

Claims

1. An automatic guiding device in pipe jacking engineering, comprising a placement rail (1), characterized in that, The bottom of the placement guide rail (1) is provided with a lifting mechanism for lifting the whole device, the surface of the placement guide rail (1) is slidably connected with two limiting rods (2) for guiding the pipeline, one end of the two limiting rods (2) is provided with a moving mechanism for moving the two limiting rods (2), one end of the placement guide rail (1) is fixedly connected with a supporting plate (3), the inside of the supporting plate (3) is slidably connected with a lifting plate (4) which can be lifted, the surface of the lifting plate (4) is provided with an adjusting mechanism for lifting the lifting plate (4), one end of the lifting plate (4) is provided with a top plate (5) for pushing the pipeline, the other end of the lifting plate (4) is provided with a pushing mechanism for moving the top plate (5).

2. A device according to claim 1, characterized in that: The surface of the placement guide rail (1) is rotatably connected with a plurality of rollers (6) for reducing the friction of the bottom of the pipeline.

3. A device according to claim 1, characterized in that: The inner wall of the limiting rod (2) is rotatably connected with a guide roller (7) for reducing the friction of the two sides of the pipeline.

4. A device according to claim 1, characterized in that: The lifting mechanism comprises a main plate (10) arranged below the placement guide rail (1), the surface of the main plate (10) is fixedly connected with a plurality of hydraulic rods (12) for lifting the placement guide rail (1), the output end of the hydraulic rod (12) is fixedly connected with the placement guide rail (1) below.

5. A device according to claim 4, characterized in that: The bottom of the main plate (10) is fixedly connected with a plurality of universal wheels (11) for moving the main plate (10).

6. A device according to claim 1, characterized in that: The moving mechanism comprises a motor two (8) fixedly connected on one side of the placement guide rail (1), the output shaft of the motor two (8) is fixedly connected with a bidirectional screw rod (9), the bidirectional screw rod (9) is rotatably connected in the placement guide rail (1), the surface of the bidirectional screw rod (9) is threadedly connected with the two limiting rods (2) respectively, so as to relatively move the two limiting rods (2) on the surface of the placement guide rail (1).

7. A device according to claim 1, characterized in that: The adjusting mechanism comprises a motor one (13) fixedly connected on one end of the supporting plate (3), the output shaft of the motor one (13) is fixedly connected with a lead screw (14), the lead screw (14) is rotatably connected in the supporting plate (3), the surface of the lead screw (14) is threadedly connected with the lifting plate (4), so as to move the lifting plate (4) in the supporting plate (3).

8. A device according to claim 7, characterized in that: The inner wall of the supporting plate (3) is fixedly connected with a limiting rod (15) for limiting the movement of the lifting plate (4), the lifting plate (4) is slidably connected on the surface of the limiting rod (15).

9. A device according to claim 1, characterized in that: The pushing mechanism comprises a pneumatic cylinder (16) fixedly connected on the surface of the lifting plate (4), the output shaft of the pneumatic cylinder (16) is fixedly connected with the surface of the top plate (5), so as to provide power for the top plate (5).

10. A device according to claim 9, characterized in that: The surface of the lifting plate (4) is slidably connected with a positioning rod (17), one end of the positioning rod (17) is fixedly connected with the surface of the top plate (5), so as to limit the moving direction of the top plate (5).

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