Guiding system special for pipe jacking

Abstract

The invention provides a guide system special for pipe jacking, and relates to the technical field of pipe jacking construction. A group of moving seats are slidably mounted on the guide rail base, a group of supporting blocks are slidably mounted at each of the two ends of the guide rail base, the inner ends of the supporting blocks are of inclined body structures, and clamping blocks at the outer ends of positioning supporting plates are mounted on limiting grooves of the mounting seats in a clamped manner; a jack and a double-thread screw are used for driving a moving block to enable a guide wheel to be tightly attached to the inner wall of the pipeline for positioning, and the pipeline butt joint precision and the using effect are improved; the positioning supporting plate and the guide wheel thereof are rapidly disassembled, assembled and maintained through a clamping block and an elastic piece, the position of the guide wheel is adjusted through a second electric telescopic rod, and deviation during pipe jacking operation is avoided; the problems that a pipeline is not prone to being rapidly positioned, positioning precision is lowered due to the fact that a positioning part on the pipeline is prone to being used and abraded for a long time, and deviation is prone to occurring during pipe jacking operation due to the fact that soil pressure on different faces is different in the pipe jacking process of the pipeline are solved.

Description

Technical Field

[0001] The invention relates to the technical field of pipe jacking construction, and in particular to a special guide system for pipe jacking. Background Art

[0002] In recent years, with the vigorous development of urban rail transit systems, the pipe jacking construction method has ushered in a new chapter of extensive application in urban underground pipelines and other related projects; this advanced technology, with its unique advantages, not only greatly reduces the impact on the environment, avoids large-scale ground excavation and space transformation, thereby ensuring smooth urban traffic; but also, its short construction period and high efficiency provide strong support for the fast-paced development of the city; more importantly, the pipe jacking construction method, while ensuring the progress of the project, strictly abides by the building safety regulations, and builds a solid line of defense for the development and utilization of urban underground space.

[0003] As for the existing special guide system for pipe jacking, it is not easy to quickly position the pipeline, and the pipe docking accuracy and use effect need to be improved; the positioning components thereon are prone to wear due to long-term use, resulting in a decrease in positioning accuracy, and the different soil pressures on different sides of the pipeline during the pipe jacking process can easily lead to deviation problems during the pipe jacking operation. Summary of the invention

[0004] The disclosed embodiment relates to a special guide system for jacking pipes, which utilizes a jack and a double-headed screw to drive a moving block so that the guide wheel is positioned close to the inner wall of the pipe, thereby improving the pipe docking accuracy and the use effect; the positioning support plate and its guide wheel can be quickly disassembled and maintained through a clamping block and an elastic member, and the position of the guide wheel can be adjusted through a second electric telescopic rod.

[0005] In a first aspect of the present disclosure, a special guide system for jacking pipes is provided, which specifically comprises: a guide rail base and a positioning support plate;

[0006] The transmission shaft of the second electric telescopic rod is fixedly mounted on the support block, and the transmission shaft of the second electric telescopic rod is fixedly mounted on the support block. Two sets of moving blocks are threadedly mounted on the moving block, and four sets of connecting rods are rotatably mounted on the outer ends of the moving blocks. An external connecting plate is rotatably mounted on the adjacent left and right sets of connecting rods, and a second electric telescopic rod is fixedly mounted on the external connecting plate. Pipes are mounted on the two sets of supporting blocks, and a set of mounting seats is slidably mounted on the outer ends of the external connecting plates. The transmission shaft of the second electric telescopic rod is fixedly mounted on the mounting seat. The outer ends of the positioning support plates are rotatably mounted with guide wheels, and the outer ends of the guide wheels contact the inner wall of the pipe. The positioning support plates are clamped and mounted on the outer ends of the mounting seats. A limiting groove is provided on the mounting seat. A clamping block is slidably mounted on the outer ends of the positioning support plates, and the clamping block on the outer ends of the positioning support plates is clamped and mounted on the limiting groove of the mounting seat.

[0007] In at least some embodiments, a group of guide rail blocks are fixedly installed at the bottom of the movable seat, a group of guide rail grooves are opened at the top of the guide rail base, and the guide rail blocks at the bottom of the movable seat are slidably installed on the guide rail grooves at the top of the guide rail base.

[0008] In at least some embodiments, a group of guide rods are fixedly mounted on both ends of the inner side of the mounting seat, two groups of guide holes are opened on the external plate, and the guide rods on the inner side of the mounting seat are slidably mounted on the guide holes of the external plate.

[0009] In at least some embodiments, a rotating hole is formed at the outer end of the connecting rod, a rotating rod is fixedly mounted at the outer end of the external plate, and the rotating hole at the outer end of the connecting rod is rotatably mounted on the rotating rod at the outer end of the external plate.

[0010] In at least some embodiments, a group of double-headed screws are rotatably mounted on the moving seat, a group of drive motors are fixedly mounted on the outer end of the moving seat, the outer end of the double-headed screws are fixedly mounted on the transmission shaft of the drive motor, a group of threaded holes are opened on the moving block, and the threaded holes on the moving block are threadedly mounted on the double-headed screws of the moving seat.

[0011] In at least some embodiments, a group of elastic members are respectively sleeved and installed on the support rods at both ends of the positioning support plate, and the inner ends of the elastic members are in contact with the outer end surfaces of the upper ear plates of the clamping block.

[0012] In at least some embodiments, four groups of guide blocks are fixedly mounted on the moving seat, four groups of guide grooves are opened on the moving blocks, and the guide grooves of the moving blocks are slidably mounted on the guide blocks of the moving seat respectively.

[0013] In at least some embodiments, support rods are fixedly installed at both ends of the positioning support plate, and side ear plates are fixedly installed at both ends of the clamping block. Sliding holes are opened on the side ear plates, and the sliding holes of the side ear plates at both ends of the clamping block are slidably installed on the support rods at both ends of the positioning support plate.

[0014] In at least some embodiments, two groups of positioning blocks are fixedly installed at the bottom of the positioning support plate, a group of positioning grooves are respectively opened at both ends of the mounting seat, and the positioning grooves at both ends of the mounting seat are respectively slidably installed on the positioning blocks at the bottom of the positioning support plate.

[0015] In at least some embodiments, a guide block is fixedly mounted on the bottom of the support block, side guide grooves are respectively provided at both ends of the guide rail base, and the guide blocks at the bottom of the support block are respectively slidably mounted on the side guide grooves at both ends of the guide rail base.

[0016] The present invention provides a special guide system for jacking pipes, which has the following beneficial effects:

[0017] The present invention uses a slidably installed support block and an electric telescopic rod to adapt to different pipeline specifications for preliminary positioning, and uses a jack and a double-headed screw to drive the moving block to make the guide wheel close to the inner wall of the pipeline for positioning, thereby improving the pipeline docking accuracy and use effect; the positioning support plate and its guide wheel can be quickly disassembled and maintained through a clamping block and an elastic member, which solves the problem of reduced positioning accuracy caused by long-term use, and a displacement and angle sensor is installed on the pipeline to monitor the deviation caused by soil pressure, and the position of the guide wheel is adjusted by the second electric telescopic rod to avoid deviation during the jacking operation.

[0018] The guide grooves of the moving block are slidably installed on the guide blocks at the bottom of the support block and are respectively installed on the side guide grooves at both ends of the guide rail base, and the support blocks are synchronously driven to the appropriate position through the first electric telescopic rod according to the specifications of the pipeline, and the pipeline is placed on the two groups of support blocks, and the jack is fixed to the side end of the excavation chamber, and the jack pushes the moving seat so that the double-headed screw is placed in the pipeline, and the threaded hole on the moving block is threadedly installed on the double-headed screw of the moving seat, and the guide grooves of the moving block are respectively slidably installed on the guide blocks of the moving seat, and the driving motor drives the double-headed screw to rotate, so that the two groups of moving blocks move inward at the same time, so that the guide wheels on the positioning support plate move outward at the same time, and the outer ends of the guide wheels contact the inner wall of the pipeline, so that the device is convenient for positioning the pipeline, and when the jack pushes the moving seat, the moving seat pushes the pipeline to be moved, and the positioning support plate extends into the fixed pipeline, so that the device is convenient for centering and positioning the pipeline, which effectively improves the docking accuracy of the pipeline of the device and improves the use effect of the device.

[0019] In addition, the sliding holes of the side ear plates at both ends of the card block are respectively slidably installed on the support rods at both ends of the positioning support plate, and the card block is pulled outward to slide the positioning grooves at both ends of the mounting seat onto the positioning blocks at the bottom of the positioning support plate. After the positioning support plate is moved to a fixed position, the card block is released, and under the action of the elastic part on the support rod, the card block at the outer end of the positioning support plate is clamped and installed on the limiting groove of the mounting seat, so that the positioning support plate of the device and the guide wheel thereon are convenient and quick to disassemble and maintain, so as to avoid the problem of poor positioning accuracy caused by wear of the device over a long period of time.

[0020] In addition, displacement sensors and angle sensors can be fixed on the pipeline. When it is detected that the pipeline is offset due to different pressures on the soil surface, the guide rods on the inner side of the mounting seat are slidably installed on the guide holes of the external plate, and the position of the positioning support plate and the guide wheels thereon are adjusted by the second electric telescopic rod, so as to fine-tune the installation position of the pipeline and avoid the problem of pipe jacking displacement during the pipe jacking operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0022] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0023] In the attached picture:

[0024] Figure 1 It is a front side axial schematic diagram of the special guide system for jacking pipe of the present invention.

[0025] Figure 2 It is a rear side shaft type schematic diagram of the special guide system for jacking pipe of the present invention.

[0026] Figure 3 The utility model is a schematic diagram of the installation of the positioning support plate of the special guide system for jacking pipe of the present invention.

[0027] Figure 4 The utility model is a schematic diagram of the installation of the support block of the special guide system for jacking pipe of the present invention.

[0028] Figure 5 It is a schematic diagram of disassembly and assembly of a moving block of the special guide system for jacking pipe of the present invention.

[0029] Figure 6 The utility model is a schematic diagram of the installation of the moving block of the special guide system for jacking pipe of the present invention.

[0030] Figure 7 The utility model is a schematic diagram of disassembling and assembling the positioning support plate of the special guide system for jacking pipe of the present invention.

[0031] Figure 8 It is a schematic diagram of disassembly and assembly of a mounting seat of the special guide system for jacking pipe of the present invention.

[0032] Fig. 9 The utility model is a schematic diagram of the inner end installation of the mounting seat of the special guide system for jacking pipe of the present invention.

[0033] Fig.10 It is a system schematic diagram of the special guide system for jacking pipe of the present invention.

[0034] Reference numerals list

[0035] 1. Guide rail base; 101. Guide rail groove; 102. Side guide groove; 103. First electric telescopic rod; 2. Moving seat; 201. Double-headed screw; 202. Driving motor; 203. Guide rail block; 204. Guide block; 205. Moving block; 2051. Guide groove; 2052. Threaded hole; 206. Connecting rod; 207. External plate; 2071. Second electric telescopic rod; 2072. Guide hole; 3. Support block; 301. Guide block; 4. Pipeline; 5. Positioning support plate; 501. Guide wheel; 502. Positioning block; 503. Mounting seat; 5031. Positioning groove; 5032. Guide rod; 5033. Limiting groove; 504. Block; 5041. Side ear plate; 505. Support rod; 5051. Elastic member. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] Example 1: Please refer to Figures 1 to 10 As shown:

[0038] The present invention provides a special guide system for jacking pipes, comprising a guide rail base 1 and a positioning support plate 5;

[0039] A group of moving seats 2 are slidably mounted on the guide rail base 1, a group of support blocks 3 are slidably mounted on both ends of the guide rail base 1, the inner ends of the support blocks 3 are italic structures, a group of first electric telescopic rods 103 are fixedly mounted on both ends of the guide rail base 1, and the transmission shaft of the first electric telescopic rod 103 is fixedly mounted on the support blocks 3, two groups of moving blocks 205 are threadedly mounted on the moving seat 2, four groups of connecting rods 206 are rotatably mounted on the outer ends of the moving blocks 205, and external plates 207 are rotatably mounted on the adjacent left and right groups of connecting rods 206, and a second electric telescopic rod 2071 is fixedly mounted on the external plates 207 , pipes 4 are installed on the two groups of support blocks 3, a group of mounting seats 503 are slidably installed on the outer end of the external plate 207, the transmission shaft of the second electric telescopic rod 2071 is fixedly installed on the mounting seat 503, the outer end of the positioning support plate 5 is rotatably installed with a guide wheel 501, and the outer end of the guide wheel 501 contacts the inner wall of the pipe 4, the positioning support plate 5 is snap-fitted to the outer end of the mounting seat 503, and a limiting groove 5033 is provided on the mounting seat 503, and a clamping block 504 is slidably installed on the outer end of the positioning support plate 5, and the clamping block 504 at the outer end of the positioning support plate 5 is snap-fitted to the limiting groove 5033 of the mounting seat 503.

[0040] In the embodiment of the present disclosure, a guide block 301 is fixedly installed at the bottom of the support block 3, side guide grooves 102 are respectively opened at both ends of the guide rail base 1, and the guide blocks 301 at the bottom of the support block 3 are respectively slidably installed on the side guide grooves 102 at both ends of the guide rail base 1, a group of double-headed screws 201 are rotatably installed on the moving seat 2, a group of driving motors 202 are fixedly installed at the outer end of the moving seat 2, and the outer end of the double-headed screw 201 is fixedly installed on the transmission shaft of the driving motor 202, a group of threaded holes 2052 are opened on the moving block 205, and the threaded holes 2052 on the moving block 205 are threadedly installed on the moving seat 2 On the double-headed screw 201, four groups of guide blocks 204 are fixedly installed on the moving seat 2, four groups of guide grooves 2051 are opened on the moving block 205, and the guide grooves 2051 of the moving block 205 are respectively slidably installed on the guide blocks 204 of the moving seat 2, a group of guide rail blocks 203 are fixedly installed at the bottom of the moving seat 2, a group of guide rail grooves 101 are opened at the top of the guide rail base 1, and the guide rail blocks 203 at the bottom of the moving seat 2 are slidably installed on the guide rail grooves 101 at the top of the guide rail base 1, the outer end of the connecting rod 206 is opened with a rotating hole, the outer end of the external plate 207 is fixedly installed with a rotating rod, and the outer end of the connecting rod 206 The rotating hole is rotatably installed on the rotating rod at the outer end of the external plate 207; the specific function is to slide the guide blocks 301 at the bottom of the support block 3 on the side guide grooves 102 at both ends of the guide rail base 1 respectively, and according to the specifications of the pipeline 4, the support block 3 is synchronously driven to a suitable position by the first electric telescopic rod 103, and the pipeline 4 is placed on the two groups of support blocks 3. The jack is fixed to the side end of the excavation cavity, and the jack pushes the moving seat 2 so that the double-headed screw 201 is placed in the pipeline 4. The threaded hole 2052 on the moving block 205 is threadedly installed on the double-headed screw 201 of the moving seat 2, and the guide grooves 2051 of the moving block 205 are respectively slid. The guide block 204 is dynamically installed on the moving seat 2, and the driving motor 202 drives the double-headed screw 201 to rotate, so that the two groups of moving blocks 205 move inward at the same time, so that the guide wheel 501 on the positioning support plate 5 moves outward at the same time, and the outer end of the guide wheel 501 contacts the inner wall of the pipe 4, so that the device can easily position the pipe 4. When the jack pushes the moving seat 2, the moving seat 2 pushes the pipe 4 to be moved, and the positioning support plate 5 extends into the fixed pipe 4, so that the device can easily center the pipe 4, effectively improving the docking accuracy of the device pipe 4 and improving the use effect of the device.

[0041] Among them, Figure 8 and Fig. 9As shown, two groups of positioning blocks 502 are fixedly installed at the bottom of the positioning support plate 5, and a group of positioning grooves 5031 are respectively opened at both ends of the mounting seat 503, and the positioning grooves 5031 at both ends of the mounting seat 503 are respectively slidably installed on the positioning blocks 502 at the bottom of the positioning support plate 5, and support rods 505 are respectively fixedly installed at both ends of the positioning support plate 5, and side ear plates 5041 are respectively fixedly installed at both ends of the block 504, and sliding holes are opened on the side ear plates 5041, and the sliding holes of the side ear plates 5041 at both ends of the block 504 are respectively slidably installed on the support rods 505 at both ends of the positioning support plate 5, and a group of elastic members 5051 are respectively sleeved and installed on the support rods 505 at both ends of the positioning support plate 5, and the inner ends of the elastic members 5051 are connected to the side ears on the block 504. The outer end surfaces of the plates 5041 are in contact with each other; specifically, the sliding holes of the side ear plates 5041 at both ends of the block 504 are respectively slidably installed on the support rods 505 at both ends of the positioning support plate 5, and the block 504 is pulled outward to slide the positioning grooves 5031 at both ends of the mounting seat 503 onto the positioning blocks 502 at the bottom of the positioning support plate 5, and after the positioning support plate 5 moves to a fixed position, the block 504 is released, and under the action of the elastic member 5051 on the support rod 505, the block 504 at the outer end of the positioning support plate 5 is clamped and installed on the limiting groove 5033 of the mounting seat 503, so that the positioning support plate 5 of the device and the guide wheel 501 thereon are convenient for quick and easy disassembly and maintenance, so as to avoid the problem of poor positioning accuracy caused by long-term wear of the device.

[0042] Embodiment 2: Based on Embodiment 1, wherein Figure 7 and Figure 8 As shown, a group of guide rods 5032 are fixedly installed at both ends of the inner side of the mounting seat 503, two groups of guide holes 2072 are opened on the external plate 207, and the guide rods 5032 on the inner side of the mounting seat 503 are slidably installed on the guide holes 2072 of the external plate 207; specifically, a displacement sensor and an angle sensor can also be fixed on the pipeline 4. When it is detected that the pipeline 4 is offset due to different pressures on the soil surface, the guide rods 5032 on the inner side of the mounting seat 503 are slidably installed on the guide holes 2072 of the external plate 207, and the position of the positioning support plate 5 and the guide wheel 501 thereon is adjusted by the second electric telescopic rod 2071, so as to fine-tune the installation position of the pipeline 4 to avoid the problem of pipe jacking displacement during pipe jacking operation.

[0043] Specific usage and function of this embodiment: In the present invention, the guide blocks 301 at the bottom of the support block 3 are respectively slidably installed on the side guide grooves 102 at both ends of the guide rail base 1. According to the specifications of the pipeline 4, the support block 3 is synchronously driven to a suitable position by the first electric telescopic rod 103, and the pipeline 4 is placed on the two groups of support blocks 3. The jack is fixed to the side end of the excavation cavity. The jack pushes the moving seat 2 so that the double-headed screw 201 is placed in the pipeline 4. The driving motor 202 drives the double-headed screw 201 to rotate, so that the two groups of moving blocks 205 move inward at the same time, so that the guide wheels 501 on the positioning support plate 5 move outward at the same time, and the outer ends of the guide wheels 501 contact the inner wall of the pipeline 4, so that the device can easily position the pipeline 4. When the jack pushes the moving seat 2, the moving seat 2 pushes the pipeline 4 to be moved, and the positioning support plate 5 extends into the fixed pipeline 4, so that the device can easily position the pipeline The clamping block 504 is pulled outward to slide the positioning grooves 5031 at both ends of the mounting seat 503 onto the positioning blocks 502 at the bottom of the positioning support plate 5. After the positioning support plate 5 moves to a fixed position, the clamping block 504 is released. Under the action of the elastic member 5051 on the support rod 505, the clamping block 504 at the outer end of the positioning support plate 5 is clamped and mounted on the limiting groove 5033 of the mounting seat 503, so that the positioning support plate 5 of the device and the guide wheel 501 thereon are convenient for quick disassembly and maintenance. When it is detected that the pipeline 4 is offset due to different pressures on the soil surface, the position of the positioning support plate 5 and the guide wheel 501 thereon is adjusted through the second electric telescopic rod 2071, so as to fine-tune the installation position of the pipeline 4 to avoid the problem of pipe jacking offset during pipe jacking operation.

Claims

1. A special guide system for jacking pipe, characterized in that: It comprises a guide rail base (1) and a positioning support plate (5); A group of moving seats (2) are slidably mounted on the guide rail base (1), a group of support blocks (3) are slidably mounted on both ends of the guide rail base (1), the inner end of each group of support blocks (3) is an italic structure, a group of first electric telescopic rods (103) are fixedly mounted on both ends of the guide rail base (1), and the transmission shaft of each first electric telescopic rod (103) is fixedly mounted on the corresponding support block (3), two groups of moving blocks (205) are threadedly mounted on the moving seat (2), four groups of connecting rods (206) are rotatably mounted on the outer end of each group of moving blocks (205), and external connection plates (207) are rotatably mounted on the adjacent left and right groups of connecting rods (206), and the second electric telescopic rod (207) is fixedly mounted on the external connection plate (207). 1), the transmission shaft of the second electric telescopic rod (2071) is fixedly mounted on the mounting seat (503), the two groups of support blocks (3) are mounted with pipes (4), the outer end of the external plate (207) is slidably mounted with a group of mounting seats (503), the outer end of the positioning support plate (5) is rotatably mounted with a guide wheel (501), the outer end of the guide wheel (501) is in contact with the inner wall of the pipe (4), the positioning support plate (5) is snap-fitted and mounted on the outer end of the mounting seat (503), a limiting groove (5033) is provided on the mounting seat (503), a clamping block (504) is slidably mounted on the outer end of the positioning support plate (5), and the clamping block (504) at the outer end of the positioning support plate (5) is snap-fitted and mounted on the limiting groove (5033) of the mounting seat (503).

2. A special guide system for jacking pipe according to claim 1, characterized in that: A guide block (301) is fixedly mounted on the bottom of the support block (3), and side guide grooves (102) are respectively provided at both ends of the guide rail base (1), and the guide blocks (301) at the bottom of the support block (3) are respectively slidably mounted on the side guide grooves (102) at both ends of the guide rail base (1).

3. A special guide system for jacking pipe according to claim 1, characterized in that: A group of double-headed screws (201) are rotatably mounted on the moving seat (2); a group of driving motors (202) are fixedly mounted on the outer end of the moving seat (2); the outer end of the double-headed screw (201) is fixedly mounted on the transmission shaft of the driving motor (202); a group of threaded holes (2052) are opened on the moving block (205); and the threaded holes (2052) on the moving block (205) are threadedly mounted on the double-headed screws (201) of the moving seat (2).

4. A special guide system for jacking pipe according to claim 1, characterized in that: Four groups of guide blocks (204) are fixedly mounted on the moving seat (2), four groups of guide grooves (2051) are opened on the moving block (205), and the guide grooves (2051) of the moving block (205) are respectively slidably mounted on the guide blocks (204) of the moving seat (2).

5. A special guide system for jacking pipe according to claim 1, characterized in that: A group of guide rail blocks (203) are fixedly mounted on the bottom of the movable seat (2), a group of guide rail grooves (101) are opened on the top of the guide rail base (1), and the guide rail blocks (203) at the bottom of the movable seat (2) are slidably mounted on the guide rail grooves (101) at the top of the guide rail base (1).

6. A special guide system for jacking pipe according to claim 1, characterized in that: The outer end of the connecting rod (206) is provided with a rotating hole, the outer end of the external connecting plate (207) is fixedly mounted with a rotating rod, and the rotating hole at the outer end of the connecting rod (206) is rotatably mounted on the rotating rod at the outer end of the external connecting plate (207).

7. A special guide system for jacking pipe according to claim 1, characterized in that: Two groups of positioning blocks (502) are fixedly installed at the bottom of the positioning support plate (5), and a group of positioning grooves (5031) are respectively opened at both ends of the mounting seat (503), and the positioning grooves (5031) at both ends of the mounting seat (503) are respectively slidably installed on the positioning blocks (502) at the bottom of the positioning support plate (5).

8. A special guide system for jacking pipe according to claim 1, characterized in that: The two ends of the positioning support plate (5) are respectively fixedly mounted with support rods (505), and the two ends of the clamping block (504) are respectively fixedly mounted with side ear plates (5041), and sliding holes are opened on the side ear plates (5041), and the sliding holes of the side ear plates (5041) at both ends of the clamping block (504) are respectively slidably mounted on the support rods (505) at both ends of the positioning support plate (5).

9. A special guide system for jacking pipe according to claim 1, characterized in that: A group of elastic members (5051) are respectively sleeved and installed on the support rods (505) at both ends of the positioning support plate (5), and the inner ends of the elastic members (5051) are in contact with the outer end surfaces of the upper side ear plates (5041) of the clamping block (504).

10. A special guide system for jacking pipe according to claim 1, characterized in that: A group of guide rods (5032) are fixedly mounted at both ends of the inner side of the mounting seat (503), two groups of guide holes (2072) are opened on the external plate (207), and the guide rods (5032) on the inner side of the mounting seat (503) are slidably mounted on the guide holes (2072) of the external plate (207).

Images