Pipe jacking device and equipment

Abstract

The utility model discloses a pipe jacking device and equipment. The pipe jacking device comprises a rack assembly. The pushing mechanism is arranged on the rack assembly; the driving assembly is arranged on the rack assembly; the transmission assembly is arranged on the rack assembly, the transmission assembly comprises a plurality of rotating cylinders which are movably arranged, the rotating cylinders are sequentially arranged in the pushing direction of the pushing mechanism, every two adjacent rotating cylinders make contact with each other, and the driving assembly is connected with one rotating cylinder so that the rotating cylinders can rotate at the same time. The multiple rotating drums are sequentially arranged in a contact mode, the driving assembly drives the rotating drums to rotate so as to be matched with the pushing mechanism to achieve movement of the tool pipe, the tool pipe is prevented from being forcibly moved on the frame body, the pushing mode is small in friction force, and abrasion to the bottom of the tool pipe can be reduced.

Description

Technical Field

[0001] The present application relates to the technical field of water conservancy engineering, and in particular to a pipe jacking device and equipment. Background Art

[0002] Pipe jacking is a method of underground pipeline construction developed after shield construction. It does not require excavation of the surface layer and is widely used in water source engineering construction and embankment engineering construction in water conservancy projects. In pipe jacking, the tool pipe or tunnel boring machine is pushed from the working well through the soil layer to the receiving well for hoisting with the help of the thrust of the main jacking cylinder and the pipeline relay room. At the same time, the pipeline following the tool pipe or tunnel boring machine is buried between the two wells, in order to realize the construction of trenchless laying of underground pipelines.

[0003] However, when the traditional pipe jacking device is in use, the tool pipe is basically placed on the frame and directly pushed by the main jacking cylinder. The tool pipe is forcibly moved on the frame, and the friction is large, which easily causes wear on the bottom of the tool pipe. Summary of the invention

[0004] The purpose of this application is to at least solve the technical problem in the prior art that the tool pipe is forcibly moved on the frame, the friction is large, and the bottom of the tool pipe is easily worn. To this end, this application proposes a pipe jacking device that can reduce the friction of the tool pipe movement and reduce the wear of the tool pipe.

[0005] The present application also proposes a pipe jacking device including the above-mentioned pipe jacking device.

[0006] The pipe jacking device according to the first embodiment of the present application includes:

[0007] Rack components;

[0008] A push mechanism, arranged on the frame assembly;

[0009] A driving assembly, arranged on the frame assembly;

[0010] A transmission assembly is arranged on the frame assembly, and the transmission assembly includes a plurality of movably arranged rotating drums, each of which is arranged in sequence along the pushing direction of the pushing mechanism, and adjacent rotating drums are in contact with each other. The driving assembly is connected to one of the rotating drums so that each of the rotating drums can rotate simultaneously.

[0011] The pipe jacking device according to the first aspect of the present application has at least the following beneficial effects: a plurality of rotating drums are arranged in sequence and in contact with each other, and a driving assembly drives the rotating drums to rotate so as to cooperate with a pushing mechanism to realize the movement of the tool pipe, thereby avoiding the tool pipe from being forced to move on the frame. This pushing method has low friction and can reduce the wear on the bottom of the tool pipe.

[0012] According to the pipe jacking device described in the embodiment of the first aspect of the present application, the transmission assembly includes a chain and a sprocket, the rotating drum includes a rotating shaft, one end of the driving assembly is connected to one end of one of the rotating shafts, and the other end of each of the rotating shafts is respectively provided with the sprocket, and each of the sprockets is meshed and connected to the chain.

[0013] According to the pipe jacking device described in the embodiment of the first aspect of the present application, the frame assembly includes a foot plate assembly, a placement frame and a fixed frame, the fixed frame is arranged on the foot plate assembly, the drive assembly and the transmission assembly are respectively arranged on the fixed frame, and the placement frame is arranged on the foot plate assembly and is located at the periphery of the fixed frame.

[0014] According to the pipe jacking device described in the embodiment of the first aspect of the present application, the placement frame includes two groups of connecting parts, slot blocks and fixed plates, each of the slot blocks is arranged at intervals on the outer periphery of the fixed frame, a plurality of first fixing holes are provided on the fixed plate, and a second fixing hole is provided on the slot block. The fixing plate is detachably arranged in the slot block by means of connecting parts passing through one of the first fixing holes and the second fixing holes respectively.

[0015] According to the pipe jacking device described in the embodiment of the first aspect of the present application, the top surface of the fixing plate is provided with a curved surface.

[0016] According to the pipe jacking device described in the first aspect embodiment of the present application, the foot plate assembly includes a plurality of foot plate bodies, each of the foot plate bodies is arranged at intervals from each other along the pushing direction of the pushing mechanism at the bottom of the placement frame, and a fixing assembly for inserting into a foundation pit is provided at the bottom of each of the foot plate bodies.

[0017] According to the jacking device described in the embodiment of the first aspect of the present application, the fixing assembly includes a fixing rod and a plurality of reinforcing rods, the top end of the fixing rod is connected to the foot plate body, the bottom end of the fixing rod extends in a direction away from the foot plate body, and the reinforcing rods are spaced apart on the circumferential side wall of the fixing rod.

[0018] According to the pipe jacking device described in the embodiment of the first aspect of the present application, a pointed cone structure is provided at the bottom end of the fixing rod.

[0019] According to the pipe jacking device described in the embodiment of the first aspect of the present application, the reinforcing rods are arranged in multiple layers at intervals along the axial direction of the fixing rod, and the reinforcing rods of each layer are arranged in a circular array with the axis of the fixing rod as a reference.

[0020] The pipe jacking equipment according to the embodiment of the second aspect of the present application includes: the pipe jacking device as described in the embodiment of the first aspect of the present application.

[0021] It is not difficult to understand that the pipe jacking equipment in the second aspect embodiment of the present application has the technical effect of the pipe jacking device in the first aspect embodiment described above, and therefore will not be described in detail.

[0022] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present application is further described below with reference to the accompanying drawings and embodiments;

[0024] Figure 1 It is a front view of an embodiment of the present application;

[0025] Figure 2 for Figure 1 A magnified view of middle;

[0026] Figure 3 It is a side view of an embodiment of the present application.

[0027] Reference numerals:

[0028] 100, rack assembly; 110, footboard assembly; 120, placement rack; 121, connector; 122, slot block; 1221, second fixing hole; 123, fixing plate; 1231, first fixing hole; 130, fixing rack; 141, fixing rod; 1411, pointed cone structure; 142, reinforcing rod;

[0029] 200, push mechanism;

[0030] 300, drive assembly;

[0031] 410, rotating drum; 411, rotating shaft; 420, chain; 430, sprocket. DETAILED DESCRIPTION

[0032] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0033] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0034] In the description of this application, "several" means one or more, "more" means at least two, "greater than", "less than", "exceed", etc. are understood to exclude the number itself, and "above", "below", "within", etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0035] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application after combining the specific content of the technical solution.

[0036] Reference Figures 1 to 3 The pipe jacking device of the first embodiment of the present application is applied to the pipe jacking construction of water conservancy projects. The pipe jacking device includes a frame assembly 100, a pushing mechanism 200, a driving assembly 300 and a transmission assembly.

[0037] The pushing mechanism 200 is arranged on the frame assembly 100; the driving assembly 300 is arranged on the frame assembly 100; the transmission assembly is arranged on the frame assembly 100, and the transmission assembly includes a plurality of movable rotating cylinders 410, each rotating cylinder 410 is arranged in sequence along the pushing direction of the pushing mechanism 200, and adjacent rotating cylinders 410 are in contact with each other, and the driving assembly 300 is connected to one of the rotating cylinders 410 so that each rotating cylinder 410 can rotate simultaneously. It can be understood that by sequentially arranging and contacting a plurality of rotating cylinders 410, the driving assembly 300 drives the rotating cylinder 410 to rotate, thereby cooperating with the pushing mechanism 200 to realize the movement of the tool tube, thereby avoiding the tool tube from being forcibly moved on the frame, and the pushing method has low friction and can reduce the wear on the bottom of the tool tube.

[0038] In some embodiments, the rotating drums 410 are arranged in contact with each other, so that a driving assembly 300 can be used to drive the rotating drums 410 to rotate simultaneously, ensuring the smooth movement of the tool pipe. The pushing mechanism 200 is located behind each rotating drum 410. After the tool pipe is set in the transportation channel composed of multiple rotating drums 410, the pushing mechanism 200 pushes forward to move the tool pipe to a suitable construction position with the help of the rotating drum 410, thereby realizing the construction of trenchless laying of underground pipelines. In some embodiments, the driving assembly 300 includes a motor, the axes of each rotating drum 410 are located on the same horizontal plane, and the structures and sizes of each rotating drum 410 are the same, thereby forming a stable conveying plane.

[0039] In some embodiments of the present application, the transmission assembly includes a chain 420 and a sprocket 430, the rotating drum 410 includes a rotating shaft 411, one end of the driving assembly 300 is connected to one end of one of the rotating shafts 411, and the other end of each rotating shaft 411 is provided with a sprocket 430, and each sprocket 430 is meshed and connected to the chain 420. It can be understood that through the meshing transmission of the sprocket 430 and the chain 420, each rotating drum 410 can reliably rotate synchronously on the basis of sequentially contacting to achieve transmission, and the transmission accuracy and efficiency are ensured to avoid slipping.

[0040] In some embodiments, the frame assembly 100 includes a foot plate assembly 110, a placement rack 120 and a fixed rack 130, the fixed rack 130 is disposed on the foot plate assembly 110, the drive assembly 300 and the transmission assembly are respectively disposed on the fixed rack 130, and the placement rack 120 is disposed on the foot plate assembly 110 and is located on the periphery of the fixed rack 130.

[0041] It can be understood that the adjacent rotating drums 410 are in contact with each other, the inner walls of the plurality of rotating drums 410 are fixedly connected with the rotating shafts 411, the left side of the fixed frame 130 is fixedly connected with a motor, the output end of the motor extends to the inner wall of the fixed frame 130 and is fixedly connected with the left end of one of the rotating shafts 411, the left ends of the other plurality of rotating shafts 411 are rotatably connected with the left side of the inner wall of the fixed frame 130, the right ends of the plurality of rotating shafts 411 penetrate the right side of the inner wall of the fixed frame 130 and extend to the right side thereof, the right sides of the shaft walls of the plurality of rotating shafts 411 are fixedly connected with sprockets 430, the plurality of sprockets 430 are meshedly connected with chains 420, and a pushing device is provided on the rear side of the upper surface of the placement frame 120. When the device is in use, the tool pipe is not placed on the frame body and directly pushed by the main pushing oil cylinder, the tool pipe is not forcibly moved on the frame body, the friction force is small, and the wear on the bottom of the tool pipe is reduced.

[0042] In some embodiments of the present application, the placement rack 120 includes two groups of connecting parts 121, slot blocks 122 and fixed plates 123, each slot block 122 is arranged at intervals on the outer periphery of the fixed rack 130, a plurality of first fixing holes 1231 are provided on the fixed plate 123, and a second fixing hole 1221 is provided on the slot block 122. The fixed plate 123 is detachably arranged in the slot block 122 by means of the connecting parts 121 passing through one of the first fixing holes 1231 and the second fixing hole 1221 respectively.

[0043] It can be understood that the slot block 122 has a mounting slot for accommodating the fixing plate 123, wherein the mounting slot is provided with at least one second fixing hole 1221, and the fixing plate 123 is provided with a plurality of first fixing holes 1231 in sequence and at intervals in the vertical direction, so that the placement rack 120 can be raised and lowered according to tool pipes of different diameters, so that the device can be suitable for tool pipes of a certain range of sizes, and the top surface of the fixing plate 123 is designed to reduce the friction of the tool pipe movement and reduce the wear of the tool pipe. For example, a flexible cushion layer can be provided on the top surface of the fixing plate 123.

[0044] In some embodiments, the connecting member 121 is a fixing bolt, through which the fixing plate 123 can be detachably installed in the slot block 122. In other embodiments, the connecting member 121 is a component capable of detachable connection, such as a pin or a screw, which can be passed through one of the first fixing holes 1231 and the second fixing holes 1221 respectively to relatively connect and fix the slot block 122 and the fixing plate 123.

[0045] In some embodiments, the top surface of the fixing plate 123 is provided with an arc surface, which can more stably support the tool tube, wherein based on the multiple first fixing holes 1231 on the fixing plate 123, the position of the arc surface can be adaptively adjusted according to the diameter of the tool tube.

[0046] In some embodiments of the present application, the foot plate assembly 110 includes a plurality of foot plate bodies, each of which is arranged at intervals from each other along the pushing direction of the pushing mechanism 200 at the bottom of the placement rack 120, and a fixing assembly for inserting into a foundation pit is provided at the bottom of each foot plate body.

[0047] In some embodiments, two slot blocks 122 are commonly disposed on the upper surfaces of the plurality of foot plates, and the inner walls of the two slot blocks 122 are both provided with fixing plates 123. In some embodiments, the plurality of foot plates and the two slot blocks 122 are an integrated structure.

[0048] In some embodiments of the present application, the fixing assembly includes a fixing rod 141 and a plurality of reinforcing rods 142, the top end of the fixing rod 141 is connected to the foot plate body, the bottom end of the fixing rod 141 extends in a direction away from the foot plate body, and the reinforcing rods 142 are arranged at intervals on the circumferential side wall of the fixing rod 141. It can be understood that the fixing rod 141 and the reinforcing rod 142 improve the stability of the device during use and enhance the safety of the device during use.

[0049] In some embodiments, the bottom end of the fixing rod 141 is provided with a pointed cone structure 1411, which can facilitate the fixing of the position and improve the stability. In some embodiments, each reinforcing rod 142 is arranged in multiple layers along the axial direction of the fixing rod 141, and the reinforcing rods 142 of each layer are arranged in a circular array with the axis of the fixing rod 141 as the reference. By arranging the reinforcing rods 142 in a targeted manner, the stability of the device is further improved, and the safety of the device is enhanced.

[0050] It is understandable that when the pipe jacking device of the present application is used, the tool pipe is not placed on the frame and pushed directly by the main jacking cylinder. The tool pipe is not forcibly moved on the frame, and the friction is small, which reduces the wear on the bottom of the tool pipe. Through the setting of the first fixing hole 1231 and the second fixing hole 1221, the fixing plate 123 can be raised and lowered, so that the device can be suitable for tool pipes of a certain range of sizes. The top surface of the fixing plate 123 is an arc-shaped device, which can reduce the friction of the tool pipe movement and reduce the wear on the tool pipe. The fixing rod 141 and the reinforcing rod 142 improve the stability of the device and enhance the safety of the device.

[0051] Reference Figures 1 to 3 The jacking equipment of the second embodiment of the present application includes the jacking device of the first embodiment of the present application, and also includes other jacking construction devices for setting the jacking device in the foundation pit. When using the equipment, the placement frame 120 is placed in the excavated foundation pit by a crane, and then the tool pipe is placed on the placement frame 120 by a crane, and the motor and the jacking device are started at the same time. When the jacking device pushes the tool pipe, the motor causes one of the rotating shafts 411 to rotate, and under the action of the sprocket 430 and the chain 420, all the rotating shafts 411 rotate, and the rotating shaft 411 drives the rotating drum 410 to rotate, and the rotating drum 410 moves and moves with the tool pipe, thereby reducing the friction between the tool pipe and the tool pipe, thereby reducing the wear on the tool pipe.

[0052] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0053] The embodiments of the present application are described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present application.

Claims

1. A pipe jacking device, characterized in that: include: A rack assembly (100); A pushing mechanism (200) is arranged on the frame assembly (100); A drive assembly (300) is arranged on the frame assembly (100); A transmission assembly is arranged on the frame assembly (100), and the transmission assembly includes a plurality of movably arranged rotating cylinders (410), each of the rotating cylinders (410) is arranged in sequence along the pushing direction of the pushing mechanism (200), and adjacent rotating cylinders (410) are in contact with each other, and the driving assembly (300) is connected to one of the rotating cylinders (410) so that each of the rotating cylinders (410) can rotate simultaneously.

2. The pipe jacking device according to claim 1, characterized in that: The transmission assembly comprises a chain (420) and a sprocket (430), the rotating drum (410) comprises a rotating shaft (411), one end of the driving assembly (300) is connected to one end of one of the rotating shafts (411), the other end of each rotating shaft (411) is respectively provided with the sprocket (430), and each sprocket (430) is meshed and connected with the chain (420).

3. The pipe jacking device according to claim 1, characterized in that: The frame assembly (100) comprises a footboard assembly (110), a placement frame (120) and a fixing frame (130); the fixing frame (130) is arranged on the footboard assembly (110); the driving assembly (300) and the transmission assembly are respectively arranged on the fixing frame (130); and the placement frame (120) is arranged on the footboard assembly (110) and is located on the periphery of the fixing frame (130).

4. The pipe jacking device according to claim 3, characterized in that: The placement rack (120) comprises two groups of connecting members (121), slot blocks (122) and fixing plates (123); the slot blocks (122) are arranged at intervals on the outer periphery of the fixing rack (130); the fixing plate (123) is provided with a plurality of first fixing holes (1231); the slot block (122) is provided with a second fixing hole (1221); the fixing plate (123) is detachably arranged in the slot block (122) by means of the connecting member (121) passing through one of the first fixing holes (1231) and the second fixing hole (1221).

5. The pipe jacking device according to claim 4, characterized in that: The top surface of the fixing plate (123) is provided with an arc surface.

6. The pipe jacking device according to claim 4, characterized in that: The foot plate assembly (110) includes a plurality of foot plate bodies, each of which is arranged at intervals from one another along the pushing direction of the pushing mechanism (200) at the bottom of the placement rack (120), and a fixing assembly for inserting into a foundation pit is provided at the bottom of each of the foot plate bodies.

7. The pipe jacking device according to claim 6, characterized in that: The fixing assembly comprises a fixing rod (141) and a plurality of reinforcing rods (142), wherein the top end of the fixing rod (141) is connected to the foot plate body, the bottom end of the fixing rod (141) extends in a direction away from the foot plate body, and the reinforcing rods (142) are arranged at intervals on the circumferential side wall of the fixing rod (141).

8. The pipe jacking device according to claim 7, characterized in that: The bottom end of the fixing rod (141) is provided with a pointed cone structure (1411).

9. The pipe jacking device according to claim 7, characterized in that: The reinforcing rods (142) are arranged in multiple layers at intervals along the axial direction of the fixing rod (141), and the reinforcing rods (142) of each layer are arranged in a circular array with the axis of the fixing rod (141) as a reference.

10. A pipe jacking device, characterized in that: include: A pipe jacking device as claimed in any one of claims 1 to 9.

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