A new rock pipe jacking machine

By introducing a movable base plate and splicing track structure into the pipe jacking machine, the problems of the support plate not being able to move with the machine and the slow track laying were solved, realizing continuous movement of the support plate and rapid track installation, thus improving the working efficiency and performance of the pipe jacking machine.

CN115853520BActive Publication Date: 2026-04-14YANGZHOU DILONG MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
YANGZHOU DILONG MASCH CO LTD
Filing Date
2022-11-30
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

During operation, the support plate of the pipe jacking machine needs to be frequently disassembled and installed, and cannot move with the machine, resulting in low work efficiency; traditional pipe jacking machines require the laying of tracks and lack a quick assembly structure, which affects the performance.

Method used

A novel rock jacking machine is designed, employing a moving base plate and a splicing track structure. The moving base plate is hydraulically driven to follow the moving pipe, and the support plate can be quickly fixed and disassembled. Rapid track installation and cleaning are achieved through inclined push blocks and splicing tracks, and synchronous movement is realized in conjunction with hydraulic rods and fixed cones.

Benefits of technology

This enables continuous movement of the support plate, improving the working efficiency and effectiveness of the pipe jacking machine. The support plate can move synchronously with the machine, simplifying the track installation process and ensuring continuous operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a novel rock pipe jacking machine, which comprises a moving pipe, hydraulic rods and a hydraulic oil cylinder, the moving pipe is movably installed on one side of the hydraulic oil cylinder, a plurality of groups of hydraulic rods are arranged between the moving pipe and the hydraulic oil cylinder, the moving pipe is driven by the hydraulic rods, the lower part of the moving pipe is provided with a plurality of groups of spliced tracks, the spliced tracks and the moving pipe are movably connected by first sliding seats and second sliding seats respectively, a moving base plate is fixedly installed on the outer surface of one side of the hydraulic oil cylinder, two groups of fixing cones are movably installed on the lower part of the moving base plate, and the outer surfaces of the side edges of the moving base plate are movably installed with two groups of supporting blocks; the fixing cones and the supporting blocks are used to quickly complete the fixing operation between the moving base plate and the ground, shorten the time required for fixing and dismounting the moving base plate, and the setting of the moving base plate is used in cooperation with the use of the fixing cones and the supporting blocks to optimize the structure of the traditional supporting plate and improve the tunneling efficiency of the pipe jacking machine.
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Description

Technical Field

[0001] This invention belongs to the field of pipe jacking machine technology, and more specifically, it is a new type of rock pipe jacking machine. Background Technology

[0002] The main structure of a pipe jacking unit consists of four parts: the main body, primarily composed of two double-acting hydraulic cylinders; the hydraulic pump station, equipped with both a diesel engine pump station and an electric motor pump station; the support plate, used to fix the machine and support the pit walls; and the jacking rod and pull head, used for jacking and pulling back the borehole to enlarge it. Pipe jacking machines are mainly used for excavating underground pipelines.

[0003] Patent document CN111520537A discloses a pipe jacking machine for laying pipes, including a moving pipe, a fixing ring disposed on the moving pipe, at least two lifting devices, and a cutting assembly disposed on the moving pipe. The cutting assembly includes a cutting motor connected to the moving pipe and a cutting blade disposed on the output shaft of the cutting motor. When the moving pipe deflects during movement, some of the lifting devices are activated. The output end of the lifting device extends out and touches the moving pipe. When the lifting device touches the moving pipe, it is subjected to the reaction force of the pipe. Since the lifting device is installed on the fixing ring, i.e., the moving pipe, the moving pipe is subjected to the reaction force of the pipe. Since there are two or more lifting devices, different lifting devices are selected according to the direction in which the moving pipe deviates from the preset line.

[0004] The aforementioned pipe jacking machines have certain shortcomings in use. During operation, the support plate serves to fix the machine and support the pit walls. However, after the machine moves a certain distance, the support plate structure needs to be disassembled and moved. Since the support plate cannot move with the machine, this requires repeated installation and removal after each movement, reducing the machine's efficiency. Secondly, traditional pipe jacking machines require track laying based on the machine's movement position, lacking a quick assembly structure, which further diminishes their effectiveness. Summary of the Invention

[0005] The purpose of this invention is to provide a new type of rock pipe jacking machine that can solve existing problems.

[0006] The problem solved by this invention is:

[0007] 1. When the pipe jacking machine is in operation, the support plate plays the role of fixing the machine and supporting the pit wall. After the pipe jacking machine moves a certain distance, the support plate structure needs to be disassembled and moved. The support plate cannot move with the pipe jacking machine, so the support plate needs to be reinstalled every time the pipe jacking machine moves a certain distance, thus reducing the working efficiency of the pipe jacking machine.

[0008] 2. Traditional pipe jacking machines require track laying based on their movement position, and lack a quick assembly structure, which reduces their effectiveness.

[0009] The objective of this invention can be achieved through the following technical solutions:

[0010] A novel rock jacking machine includes a moving pipe, hydraulic rods, and hydraulic cylinders. The moving pipe is movably mounted on one side of the hydraulic cylinders. Several sets of hydraulic rods are provided between the moving pipe and the hydraulic cylinders. The moving pipe is driven by the hydraulic rods. Several sets of splicing tracks are provided at the lower part of the moving pipe. The splicing tracks and the moving pipe are movably connected by a first slide and a second slide, respectively. The first slide and the second slide are arranged side by side. A moving base plate is fixedly mounted on one side of the outer surface of the hydraulic cylinders, and two sets of fixed cones are movably mounted on the lower part of the moving base plate. Two sets of support blocks are movably mounted on the side outer surface of the moving base plate.

[0011] As a further technical solution of the present invention, the upper outer surfaces of the first slide and the second slide are provided with arc-shaped bases for fixing the moving tube. Two sets of inclined push blocks are spliced ​​and installed on one side of the outer surface of the first slide and the second slide. When the first slide and the second slide move on the splicing track, the inclined push blocks can be used to clean the surface of the splicing track.

[0012] As a further technical solution of the present invention, the sides of the first slide and the second slide are provided with splicing slots for use with the inclined push block. The upper outer surface of the arc-shaped base is an arc-shaped structure, and the outer surface of one end of the inclined push block is an inclined structure. The arc-shaped base plays an auxiliary role in fixing the installation of the moving tube.

[0013] As a further technical solution of the present invention, a number of pads are fixedly installed at the bottom of the splicing track, and a number of circular slots are provided at the middle of the outer surface of one end of the splicing track. Rectangular slots are provided on both sides of the outer surface of one end of the splicing track near the circular slots. The pads provide a buffer protection for the bottom of the splicing track and prevent the splicing track from tilting.

[0014] As a further technical solution of the present invention, a number of sets of mating rods for use with circular slots are fixedly installed at the middle position of the outer surface of the other end of the splicing track. On both sides of the other end of the splicing track near the mating rods, mating plates are fixedly installed. By using the mating plates and rectangular slots, as well as the mating rods and circular slots, and the fixing with bolts, the combination and fixing between the two sets of splicing tracks can be quickly completed. When the moving tube moves, it can be used in conjunction with the following movement of the moving base plate to quickly complete the installation operation of the splicing track in the direction of movement of the moving tube.

[0015] As a further technical solution of the present invention, the inner side of the movable base plate is provided with a drill for driving the fixed cone. The movable base plate and the support block are connected by a sliding groove. The lower end of the movable base plate is provided with rollers for use with the splicing track. When the pipe jacking machine is used, the movable base plate is first fixed by the fixed cone and the support block. When the hydraulic rod drives the movable pipe to move, the movable base plate supports one end of the hydraulic rod, so that the movable pipe can move normally. After the movable pipe moves a certain distance, the drill is used to drive the fixed cone, so that the fixed cone is retracted to the inner side of the movable base plate. The sliding groove is then used to move the support block, so that the support block is separated from the ground. The support block is fixed by the limiting mechanism. At the same time, the limiting mechanism is used to fix the first slide and the second slide. The hydraulic rod is used to pull the movable base plate to move. The fixed cone and the support block are then used to fix it, which facilitates the continuous drilling and movement of the movable pipe.

[0016] As a further technical solution of the present invention, a crushing head is movably installed on the outer surface of one end of the moving tube, and rollers are provided at the lower part of the first slide and the second slide.

[0017] The beneficial effects of this invention are:

[0018] 1. By setting a movable base plate, this new type of rock pipe jacking machine can move along with the moving pipe. After the moving pipe has moved a certain distance, its hydraulic structure drives the movable base plate to move to the corresponding position, thereby shortening the time required for disassembling and installing the support plate, allowing the pipe jacking machine to operate continuously and improving its work efficiency. During operation, the movable base plate is first fixed using a fixed cone and a support block. When the hydraulic rod drives the moving pipe, the movable base plate supports one end of the hydraulic rod, allowing the moving pipe to move normally. After the moving pipe has moved a certain distance, the drilling rig drives the fixed cone, causing the fixed cone to retract to the inside of the movable base plate. Then, the sliding groove moves the support block, causing the support block to separate from the ground. The system utilizes a limiting mechanism to fix the support block, as well as the first and second sliding blocks, ensuring a fixed relationship between the moving pipe and the splicing track. A hydraulic rod pulls the moving base plate, moving it a certain distance. A fixing cone and support block then fix it in place, allowing the moving base plate to move synchronously with the moving pipe. This facilitates continuous drilling movement of the moving pipe. The fixing cone and support block allow for quick fixing of the moving base plate to the ground, reducing the time required for fixing and disassembling. The combination of the moving base plate, fixing cone, and support block creates a synchronous moving support structure for this new type of rock pipe jacking machine, optimizing the traditional support plate structure and improving the tunneling efficiency of the pipe jacking machine.

[0019] 2. By setting up splicing tracks and inclined push blocks, the splicing track installation can be quickly completed according to the distance of the jacking machine. Combined with the use of the moving base plate, the jacking machine can perform uninterrupted tunneling operations. During operation, when the hydraulic rod pulls the moving base plate, part of the splicing track moves out from the bottom of the moving base plate. After disassembling this part of the splicing track, the two sets of splicing tracks can be quickly assembled and fixed using the docking plates and rectangular slots, as well as the docking rods and circular slots, along with bolts. The disassembled splicing track is then installed in the moving direction of the moving pipe, allowing for rapid installation while the moving pipe is moving. Simultaneously, when the first and second slides move on the splicing track, the inclined push blocks can clean the surface of the splicing track. By setting up the splicing track and inclined push blocks, it can be used in conjunction with the moving base plate, facilitating continuous operation of the jacking machine and improving its performance. Attached Figure Description

[0020] The invention will now be further described with reference to the accompanying drawings.

[0021] Figure 1 This is a schematic diagram of the overall structure of a novel rock pipe jacking machine according to the present invention;

[0022] Figure 2 This is an overall structural diagram of the movable base plate in a novel rock pipe jacking machine according to the present invention;

[0023] Figure 3 This is an overall structural diagram of the splicing track in a novel rock pipe jacking machine according to the present invention;

[0024] Figure 4 This is an overall structural diagram of the first slide block in a novel rock pipe jacking machine of the present invention.

[0025] In the diagram: 1. Splicing track; 2. First slide; 3. Second slide; 4. Crushing head; 5. Moving pipe; 6. Hydraulic rod; 7. Hydraulic cylinder; 8. Moving base plate; 9. Fixed cone; 10. Support block; 11. Drilling rig; 12. Roller; 13. Docking rod; 14. Docking plate; 15. Pad; 16. Circular slot; 17. Rectangular slot; 18. Angled push block; 19. Splicing slot; 20. Arc-shaped base. Detailed Implementation

[0026] To further illustrate the technical means and effects of the present invention in achieving its intended purpose, the following detailed description of the specific implementation methods, structures, features, and effects of the present invention, in conjunction with the accompanying drawings and preferred embodiments, is provided below.

[0027] like Figure 1-4As shown, a novel rock jacking machine includes a moving pipe 5, hydraulic rods 6, and hydraulic cylinders 7. The moving pipe 5 is movably mounted on one side of the hydraulic cylinder 7. Several sets of hydraulic rods 6 are provided between the moving pipe 5 and the hydraulic cylinder 7. The moving pipe 5 is driven by the hydraulic rods 6. Several sets of splicing rails 1 are provided at the lower part of the moving pipe 5. The splicing rails 1 and the moving pipe 5 are movably connected by a first slide 2 and a second slide 3, respectively. The first slide 2 and the second slide 3 are arranged side by side. A moving base plate 8 is fixedly mounted on the outer surface of one side of the hydraulic cylinder 7. Two sets of fixed cones 9 are movably mounted on the lower part of the moving base plate 8. Two sets of support blocks 10 are movably mounted on the outer surface of the side of the moving base plate 8.

[0028] The upper outer surfaces of the first slide block 2 and the second slide block 3 are provided with arc-shaped bases 20 for fixing the moving tube 5. Two sets of inclined push blocks 18 are spliced ​​and installed on one side of the outer surface of the first slide block 2 and the second slide block 3. When the first slide block 2 and the second slide block 3 move on the splicing track 1, the inclined push blocks 18 can clean the surface of the splicing track 1.

[0029] The first slide block 2 and the second slide block 3 are both provided with splicing slots 19 on their sides to cooperate with the inclined push block 18. The upper outer surface of the arc base 20 is an arc structure, and the outer surface of one end of the inclined push block 18 is an inclined structure. The arc base 20 plays an auxiliary role in fixing the installation of the moving tube 5.

[0030] Several sets of pads 15 are fixedly installed at the bottom of the splicing track 1. Several sets of circular slots 16 are provided at the middle of the outer surface of one end of the splicing track 1. Rectangular slots 17 are provided on both sides of the outer surface of one end of the splicing track 1 near the circular slots 16. The pads 15 are used to buffer and protect the bottom of the splicing track 1, and at the same time prevent the splicing track 1 from tilting.

[0031] Several sets of mating rods 13 for use with circular slots 16 are fixedly installed at the middle position of the outer surface of the other end of the splicing track 1. On both sides of the other end of the splicing track 1 near the mating rods 13, mating plates 14 are fixedly installed. By using the mating plates 14 and rectangular slots 17, and the mating rods 13 and circular slots 16 for mating, and with the fixing of bolts, the combination and fixing between the two sets of splicing tracks 1 can be completed quickly. When the moving tube 5 moves, it is used in conjunction with the following movement of the moving base plate 8, so that the installation operation of the splicing track 1 can be completed quickly in the moving direction of the moving tube 5.

[0032] The inner side of the movable base plate 8 is provided with a drill 11 for driving the fixed cone 9. The movable base plate 8 and the support block 10 are connected by a sliding groove. The lower end of the movable base plate 8 is provided with a roller 12 for use with the splicing track 1. When the pipe jacking machine is in use, the movable base plate 8 is first fixed by the fixed cone 9 and the support block 10. When the hydraulic rod 6 drives the movable pipe 5 to move, the movable base plate 8 supports one end of the hydraulic rod 6, so that the movable pipe 5 can move normally. After the movable pipe 5 moves a certain distance, the drill 11 drives the fixed cone 9, so that the fixed cone 9 is retracted to the inner side of the movable base plate 8. The sliding groove is then used to move the support block 10, so that the support block 10 is separated from the ground. The limiting mechanism is used to fix the support block 10. At the same time, the limiting mechanism is used to fix the first slide 2 and the second slide 3. The hydraulic rod 6 is used to pull the movable base plate 8 to move. The fixed cone 9 and the support block 10 are used to fix it, so as to facilitate the continuous drilling and movement of the movable pipe 5.

[0033] A crushing head 4 is movably mounted on the outer surface of one end of the moving tube 5, and rollers are provided at the lower part of the first slide 2 and the second slide 3.

[0034] This novel rock pipe jacking machine, by incorporating a movable base plate 8, moves with the moving pipe 5 during operation. After the moving pipe 5 has moved a certain distance, its hydraulic structure drives the movable base plate 8 to move to a corresponding position. By replacing the traditional support plate with the movable base plate 8, the time required for disassembly and installation of the support plate is shortened, allowing the pipe jacking machine to operate continuously and improving its work efficiency. During operation, the movable base plate 8 is first fixed using a fixed cone 9 and a support block 10. When the hydraulic rod 6 drives the moving pipe 5, the movable base plate 8 supports one end of the hydraulic rod 6, allowing the moving pipe 5 to move normally. After the moving pipe 5 has moved a certain distance, the drilling rig 11 drives the fixed cone 9, causing it to retract to the inside of the movable base plate 8. Then, the support block 10 is moved using a sliding groove. The support block 10 is separated from the ground, and the support block 10 is fixed by a limiting mechanism. At the same time, the first slide block 2 and the second slide block 3 are fixed by the limiting mechanism, so that the moving pipe 5 and the splicing track 1 are in a fixed state. The hydraulic rod 6 is used to pull the moving base plate 8 to move, so that the moving base plate 8 moves a certain distance. Then, the fixed cone 9 and the support block 10 are used to fix it, so that the moving base plate 8 and the moving pipe 5 can move synchronously, which facilitates the continuous drilling movement of the moving pipe 5. The fixed cone 9 and the support block 10 can quickly complete the fixing operation between the moving base plate 8 and the ground, shortening the time required for fixing and disassembling the moving base plate 8. With the setting of the moving base plate 8, in conjunction with the use of the fixed cone 9 and the support block 10, this new type of rock pipe jacking machine has a synchronous moving support structure, optimizes the traditional support plate structure, and improves the tunneling efficiency of the pipe jacking machine.

[0035] By setting up the splicing track 1 and the inclined push block 18, the splicing track 1 can be quickly installed according to the distance of the jacking machine when using this new type of rock pipe jacking machine. In conjunction with the use of the moving base plate 8, the moving pipe 5 machine can carry out uninterrupted tunneling operations. During operation, when the hydraulic rod 6 pulls the moving base plate 8, part of the splicing track 1 is moved out from the lower part of the moving base plate 8. After disassembling this part of the splicing track 1, the two sets of splicing tracks 1 can be quickly assembled and fixed by using the docking plate 14 and the rectangular slot 17, as well as the docking rod 13 and the circular slot 16, and the bolt fixing. The disassembled splicing track 1 is installed in the moving direction of the moving pipe 5, and the installation operation of the splicing track 1 can be quickly completed when the moving pipe 5 moves. At the same time, when the first slide 2 and the second slide 3 move on the splicing track 1, the inclined push block 18 can clean the surface of the splicing track 1. By setting up the splicing track 1 and the inclined push block 18, it can be used in conjunction with the moving base plate 8 to facilitate the continuous operation of the moving pipe 5 machine and improve its use effect.

[0036] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A novel rock jacking machine, comprising a movable pipe (5), hydraulic rods (6), and a hydraulic cylinder (7), wherein the movable pipe (5) is movably mounted on one side of the hydraulic cylinder (7), and a plurality of hydraulic rods (6) are provided between the movable pipe (5) and the hydraulic cylinder (7), and the movable pipe (5) is driven by the hydraulic rods (6), characterized in that, The lower part of the moving tube (5) is provided with several sets of splicing rails (1). The splicing rails (1) and the moving tube (5) are movably connected by the first slide (2) and the second slide (3). The first slide (2) and the second slide (3) are arranged side by side. A moving base plate (8) is fixedly installed on one side of the outer surface of the hydraulic cylinder (7). Two sets of fixed cones (9) are movably installed on the lower part of the moving base plate (8). Two sets of support blocks (10) are movably installed on the side outer surface of the moving base plate (8). The upper outer surfaces of the first slide (2) and the second slide (3) are provided with arc-shaped bases (20) for fixing the moving tube (5), and two sets of inclined push blocks (18) are spliced ​​on one side of the outer surfaces of the first slide (2) and the second slide (3). The first slide (2) and the second slide (3) are provided with splicing slots (19) for use with the inclined push block (18) on their sides. The upper outer surface of the arc base (20) is an arc structure, and the outer surface of one end of the inclined push block (18) is an inclined structure.

2. The novel rock pipe jacking machine according to claim 1, characterized in that, The bottom of the splicing track (1) is fixedly installed with several sets of pads (15). Several sets of circular slots (16) are provided at the middle position of the outer surface of one end of the splicing track (1). Rectangular slots (17) are provided on both sides of the outer surface of one end of the splicing track (1) near the circular slots (16).

3. A novel rock jacking machine according to claim 1, characterized in that, Several sets of docking rods (13) for use with circular slots (16) are fixedly installed at the middle position of the outer surface of the other end of the splicing track (1). Dating plates (14) are fixedly installed on both sides of the other end of the splicing track (1) near the docking rods (13).

4. A novel rock jacking machine according to claim 1, characterized in that, The inner side of the movable base plate (8) is provided with a drill (11) for driving the fixed cone (9). The movable base plate (8) and the support block (10) are connected by a sliding groove. The lower end of the movable base plate (8) is provided with a roller (12) for use with the splicing track (1).

5. A novel rock jacking machine according to claim 1, characterized in that, A crushing head (4) is movably installed on the outer surface of one end of the moving tube (5), and rollers are provided at the lower parts of the first slide (2) and the second slide (3).

Citation Information

Patent Citations

  • Pipe jacking machine

    CN111520537A

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    CN216342164U

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    KR101353499B1