Pipe jacking construction method and device for cutting metal obstacles

Abstract

The invention relates to the technical field of pipe jacking construction methods, in particular to a pipe jacking construction method and device for cutting metal obstacles, and the pipe jacking construction method for cutting the metal obstacles comprises the steps that a special cutter special for cutting the obstacles is arranged in a pipe jacking machine, and when the pipe jacking machine encounters the obstacles, a telescopic rod stretches out to cut the obstacles; the pipe jacking machine is connected with an electromagnetic wave detector and a special grouting pipe, obstacles can be found in advance, and sedimentation cannot be caused in the metal cutting process; the pipe jacking machine has the beneficial effects that a telescopic rod drives a cutting head to stretch out of the interior of the pipe jacking machine, a cutting assembly is arranged at the end of the cutting head, the cutting assembly cuts a metal obstacle, a driving shaft rotates, a gear at the end of the driving shaft rotates along with the driving shaft, and teeth on the surface of the gear are meshed with teeth on the surface of an extension ring; and the rotating ring rotates on the surface of the first rotating shaft, the rotating ring rotates to drive the extending block to rotate, and an adjusting rod is arranged at the end of the extending block.

Description

Technical Field

[0001] The invention relates to the technical field of pipe jacking methods, and in particular to a pipe jacking construction method and device for cutting metal obstacles. Background Art

[0002] In order to achieve efficient and environmentally friendly trenchless jacking, Japan has developed a pipe jacking method that can cut metal obstacles - the Milling-mole method. The special pipe jacking machine used in this method has a built-in special tool for cutting obstacles. When encountering obstacles, it extends through a special telescopic tube to cut them. In recent developments, this technology has also integrated electromagnetic wave detection and special grouting pipes to ensure that the equipment can detect obstacles in advance and does not cause settlement during the metal cutting process;

[0003] However, after the special telescopic tube is extended, gravel from the inner wall of the tunnel will fall down, so that when the special telescopic tube is retracted, it may be blocked by the falling gravel, which will affect the retraction of the special telescopic tube and the progress of the project. Summary of the invention

[0004] The object of the present invention is to provide a pipe jacking construction method and device for cutting metal obstacles to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a pipe jacking construction method for cutting metal obstacles, characterized in that it includes:

[0006] Step 1: Cutting. The pipe jacking machine is equipped with a special tool for cutting obstacles. When encountering an obstacle, it extends through a telescopic rod to cut it.

[0007] Step 2: Detection. The pipe jacking machine is connected with electromagnetic wave detection and special grouting pipes, which can detect obstacles in advance and will not cause settlement during the metal cutting process.

[0008] A pipe jacking construction device for cutting metal obstacles is characterized by comprising a pipe jacking machine, a ring groove is provided at the end of the pipe jacking machine, a telescopic rod is inserted at the end of the pipe jacking machine, a first rotating shaft is arranged at the end of the telescopic rod, a second rotating shaft is arranged on the surface of the first rotating shaft, a rotating ring is arranged on the surface of the second rotating shaft, and an extension ring is arranged at the end of the rotating ring.

[0009] Preferably, the rotating ring is sleeved on the surface of the second rotating shaft, the rotating ring can rotate on the surface of the second rotating shaft, the extension ring rotates with the rotating ring, the surface of the extension ring is provided with teeth, the teeth rotate with the extension ring, a cutting head is fixed to the end of the second rotating shaft, the telescopic rod can move inside the pipe jacking machine, the cutting head moves with the telescopic rod, and a cutting assembly is provided at the end of the cutting head.

[0010] Preferably, an extension block is fixed to the surface of the rotating ring, and the extension block rotates with the rotating ring. An adjusting rod is inserted into the surface of the extension block, and the adjusting rod can move on the surface of the extension block. An adjusting block is fixed to the end of the adjusting rod, and the adjusting block moves with the adjusting rod. A crushing roller is arranged on the surface of the adjusting block, and the crushing roller can roll on the surface of the adjusting block. A through groove is opened on the surface of the adjusting block, and a vibration rod is inserted in the through groove, and the vibration rod can move inside the through groove.

[0011] Preferably, there are multiple groups of through grooves, multiple groups of vibration rods are provided, the multiple groups of vibration rods are connected by connecting rods, the multiple groups of vibration rods move simultaneously, an arc plate is fixed on the surface of the vibration rod, the arc plate moves with the vibration rod, and a sleeve ring is fixed on the end of the arc plate.

[0012] Preferably, the sleeve ring is sleeved on the surface of the adjusting rod, and a spring is connected to the surface of the sleeve ring, the other end of the spring is connected to the surface of the adjusting rod, and the sleeve ring can swing outside the adjusting rod.

[0013] Preferably, a driving shaft is provided on the surface of the telescopic rod, and the driving shaft can rotate on the surface of the telescopic rod. A force-bearing rod is provided on the surface of the driving shaft, and the force-bearing rod rotates along with the driving shaft. A rubber ball is provided at the end of the force-bearing rod, and the rubber ball swings along with the force-bearing rod. An arc groove is provided on the surface of the telescopic rod, and a swing ring is inserted in the arc groove, and the swing ring can move in the arc groove, and an elastic rod is provided in the arc groove. A gear is fixed to the end of the driving shaft, and the teeth on the surface of the gear are meshed with the teeth on the surface of the extension ring.

[0014] Preferably, one end of the elastic rod is connected to the inner wall of the arc groove, and the other end is connected to the end of the swing ring. A force block is provided on the surface of the swing ring, and there are multiple groups of force blocks. The rubber ball at the end of the force rod will contact the surface of the force block during the swinging process.

[0015] Preferably, a swing rod is fixed to the surface of the swing ring, a telescopic rod is inserted at the end of the swing rod, a spring is arranged inside the swing rod, one end of the spring is connected to the inside of the swing rod, and the other end is connected to the end of the telescopic rod, a cleaning head is fixed to the end of the telescopic rod, a brush is arranged at the end of the cleaning head, and a limiting block is arranged at the end of the telescopic rod.

[0016] Preferably, the swing rod swings with the swing ring, the cleaning head and the telescopic rod swing with the swing ring, and the brush and the cleaning head are held on the inner wall of the tunnel. When the telescopic rod moves with the telescopic rod, the limit block is held in the annular groove at the end of the pipe jacking machine, so that the telescopic rod is retracted into the inside of the swing rod under force.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] The telescopic rod driving cutting head proposed by the present invention extends out from the inside of the pipe jacking machine, and a cutting assembly is arranged at the end of the cutting head. The cutting assembly cuts the metal obstacle, and the driving shaft rotates. The gear at the end of the driving shaft rotates accordingly. The teeth on the surface of the gear mesh with the teeth on the surface of the extension ring, so that the rotating ring rotates on the surface of the first rotating shaft. After the rotating ring rotates, the extension block is driven to rotate. An adjusting rod is arranged at the end of the extension block. The adjusting rod extends from the extension block. The adjusting block at the end of the extension block moves accordingly. A crushing roller is arranged on the surface of the adjusting block. The crushing roller is held on the inner wall of the tunnel. The crushing roller digs a groove on the inner wall of the tunnel. The surface of the adjusting rod is connected to a sleeve ring through a spring. The sleeve ring vibrates and drives the vibration The rod vibrates in the through groove to prevent gravel from being blocked inside the through groove and hindering the rotation of the crushing roller. The force-bearing rod is driven to rotate during the rotation of the driving shaft. The end of the force-bearing rod hits the surface of the force block on the surface of the swing ring, and the force-bearing rod drives the swing ring to swing. After the force-bearing rod slides over the surface of the force block, the swing ring is pushed back to the initial position by the elastic rod in the arc groove, and the swing ring drives the swing rod to swing. A telescopic rod is inserted at the end of the swing rod, and a spring is arranged inside the swing rod. The spring pushes the telescopic rod out, so that the cleaning head and the brush are held against the inner wall of the tunnel to clean the gravel remaining on the inner wall of the tunnel. When the telescopic rod is retracted into the interior of the pipe jacking machine, the limit block is held in the ring groove, so that the telescopic rod is inserted into the interior of the swing rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention;

[0021] Figure 3 It is a schematic structural diagram of another viewing angle of the cross section of the present invention;

[0022] Figure 4 It is a schematic diagram of the telescopic rod structure of the present invention;

[0023] Figure 5 for Figure 2 A schematic diagram of the structure enlargement in the middle;

[0024] Figure 6 It is a schematic diagram of the structure of the swing ring of the present invention;

[0025] Figure 7 It is a schematic diagram of the structure of the swing ring of the present invention;

[0026] Figure 8 It is a schematic diagram of the structure of the swing ring of the present invention;

[0027] Fig. 9 for Figure 4 A magnified schematic diagram of the structure at B in the middle;

[0028] Fig.10 It is a schematic diagram of the process of the present invention.

[0029] In the figure: pipe jacking machine 1, annular groove 2, telescopic rod 3, cutting head 4, first rotating shaft 5, second rotating shaft 6, extension ring 7, rotating ring 8, extension block 9, swing rod 10, force block 11, swing ring 12, force rod 13, drive shaft 14, gear 15, telescopic rod 16, crushing roller 17, adjustment block 18, arc plate 19, spring 20, sleeve ring 21, adjustment rod 22, vibration rod 23, through groove 24, connecting rod 25, limit block 26, cleaning head 27, brush 28, arc groove 29, elastic rod 30. DETAILED DESCRIPTION

[0030] In order to make the purpose and technical solution of the present invention clearly and completely described, and the advantages more clearly understood, the embodiments of the present invention are further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments 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.

[0031] See also Figures 1 to 10 The present invention provides a technical solution: a pipe jacking construction method and device for cutting metal obstacles, comprising:

[0032] The pipe jacking machine 1 is equipped with a special tool for cutting obstacles. When encountering an obstacle, the tool is extended through the telescopic rod 3 to cut it. The pipe jacking machine 1 is connected with an electromagnetic wave detection and a special grouting pipe, which can detect obstacles in advance and will not cause settlement during the metal cutting process. A pipe jacking assembly used in a pipe jacking method that can cut metal obstacles is characterized in that it includes a pipe jacking machine 1, an annular groove 2 is provided at the end of the pipe jacking machine 1, a telescopic rod 3 is inserted at the end of the pipe jacking machine 1, a first rotating shaft 5 is provided at the end of the telescopic rod 3, a second rotating shaft 6 is provided on the surface of the first rotating shaft 5, a rotating ring 8 is provided on the surface of the second rotating shaft 6, an extension ring 7 is provided at the end of the rotating ring 8, the rotating ring 8 is sleeved on the surface of the second rotating shaft 6, the rotating ring 8 can rotate on the surface of the second rotating shaft 6, and the extension ring 7 rotates with the rotation The moving ring 8 rotates, and the surface of the extension ring 7 is provided with teeth, and the teeth rotate with the extension ring 7. A cutting head 4 is fixed to the end of the second rotating shaft 6. The telescopic rod 3 can move inside the pipe jacking machine 1. The cutting head 4 moves with the telescopic rod 3. A cutting assembly is provided at the end of the cutting head 4. A driving shaft 14 is provided on the surface of the telescopic rod 3. The driving shaft 14 can rotate on the surface of the telescopic rod 3. When the driving shaft 14 rotates, the gear 15 at the end of the driving shaft 14 rotates accordingly, and the teeth on the surface of the gear 15 mesh with the teeth on the surface of the extension ring 7, so that the rotating ring 8 rotates on the surface of the first rotating shaft 5. After the rotating ring 8 rotates, the extension block 9 is driven to rotate. An adjusting rod 22 is provided at the end of the extension block 9. The adjusting rod 22 extends from the extension block 9, and the adjusting block 18 at the end of the extension block 9 moves accordingly;

[0033] A force-bearing rod 13 is arranged on the surface of the driving shaft 14, and the force-bearing rod 13 rotates with the driving shaft 14. A rubber ball is arranged at the end of the force-bearing rod 13, and the rubber ball swings with the force-bearing rod 13. An arc groove 29 is opened on the surface of the telescopic rod 3, and a swing ring 12 is inserted in the arc groove 29. The swing ring 12 can move in the arc groove 29, and an elastic rod 30 is arranged in the arc groove 29. One end of the elastic rod 30 is connected to the inner wall of the arc groove 29, and the other end is connected to the end of the swing ring 12. The surface of the swing ring 12 is provided with a force block 11, and the force block 11 is provided with multiple groups. The surface of the swing ring 12 is fixed with a swing rod 10, and the end of the swing rod 10 is plugged with a telescopic rod 16. A spring is provided inside the swing rod 10, and one end of the spring is connected to the inside of the swing rod 10. The swing rod 10 swings with the swing ring 12, and the cleaning head 27 and the telescopic rod 16 swing with the swing ring 12, and the brush 28 and the cleaning head 27 are supported on the inner wall of the tunnel, and the telescopic rod 16 swings with the telescopic rod 16. When the retracting rod 3 moves, the limit block 26 is held in the annular groove 2 at the end of the pipe jacking machine 1, so that the telescopic rod 16 is retracted into the inside of the swing rod 10 under force, and the other end is connected to the end of the telescopic rod 16, and a cleaning head 27 is fixed to the end of the telescopic rod 16, and a brush 28 is arranged at the end of the cleaning head 27. A limit block 26 is arranged at the end of the telescopic rod 16, and the rubber ball at the end of the force-bearing rod 13 will contact the surface of the force-bearing block 11 during the swinging process, and a gear 15 is fixed to the end of the drive shaft 14, and the gear 1 The teeth on the surface of the rotating ring 8 mesh with the teeth on the surface of the extension ring 7. The extension block 9 is fixed on the surface of the rotating ring 8. The extension block 9 rotates with the rotating ring 8. The surface of the extension block 9 is plugged with an adjusting rod 22. The end of the extension block 9 is provided with an adjusting rod 22. The adjusting rod 22 extends from the extension block 9. The adjusting block 18 at the end of the extension block 9 moves with it. The surface of the adjusting block 18 is provided with a crushing roller 17. The crushing roller 17 is supported on the inner wall of the tunnel, and the crushing roller 17 digs a groove on the inner wall of the tunnel.

[0034] The adjusting rod 22 can move on the surface of the extension block 9, and the adjusting block 18 is fixed at the end of the adjusting rod 22. The adjusting block 18 moves with the adjusting rod 22. The surface of the adjusting block 18 is provided with a crushing roller 17, and the crushing roller 17 can roll on the surface of the adjusting block 18. The surface of the adjusting block 18 is provided with a through groove 24, and a vibration rod 23 is inserted in the through groove 24. The vibration rod 23 can move inside the through groove 24. There are multiple groups of through grooves 24, and there are multiple groups of vibration rods 23. The multiple groups of vibration rods 23 are connected by connecting rods 25. The multiple groups of vibration rods 23 move simultaneously, and the vibration rods 23 An arc plate 19 is fixed to the surface of the arc plate 19, and the arc plate 19 moves with the vibration rod 23. A sleeve ring 21 is fixed to the end of the arc plate 19. The sleeve ring 21 is sleeved on the surface of the adjusting rod 22, and a spring 20 is connected to the surface of the sleeve ring 21. The other end of the spring 20 is connected to the surface of the adjusting rod 22. The sleeve ring 21 can shake outside the adjusting rod 22. The surface of the adjusting rod 22 is connected to the sleeve ring 21 through the spring 20. After the sleeve ring 21 vibrates, it drives the vibration rod 23 to vibrate in the through groove 24, so as to prevent the gravel from being blocked inside the through groove 24 and hindering the rotation of the crushing roller 17.

[0035] The telescopic rod 3 drives the cutting head 4 to extend from the inside of the pipe jacking machine 1. A cutting assembly is provided at the end of the cutting head 4. The cutting assembly cuts the metal obstacle. The driving shaft 14 rotates, and the gear 15 at the end of the driving shaft 14 rotates accordingly. The teeth on the surface of the gear 15 mesh with the teeth on the surface of the extension ring 7, so that the rotating ring 8 rotates on the surface of the first rotating shaft 5. After the rotating ring 8 rotates, it drives the extension block 9 to rotate. An adjusting rod 22 is provided at the end of the extension block 9. The adjusting rod 22 extends from the extension block 9. The adjusting block 18 at the end of the extension block 9 moves accordingly. A crushing roller 17 is provided on the surface of the adjusting block 18. The crushing roller 17 is supported on the inner wall of the tunnel. The crushing roller 17 digs a groove on the inner wall of the tunnel, and the surface of the adjusting rod 22 is connected to a sleeve ring 21 through a spring 20. After the sleeve ring 21 vibrates, it drives the vibration rod 23 to vibrate in the through groove 24. The driving shaft 14 drives the force-bearing rod 13 to rotate during the rotation of the driving shaft 14, and the end of the force-bearing rod 13 hits the surface of the force-bearing block 11 on the surface of the swing ring 12, and the force-bearing rod 13 drives the swing ring 12 to swing. After the force-bearing rod 13 slides over the surface of the force-bearing block 11, the swing ring 12 returns to the initial position under the push of the elastic rod 30 in the arc groove 29, and the swing ring 12 drives the swing rod 10 to swing. The end of the swing rod 10 is plugged with a telescopic rod 16, and a spring is arranged inside the swing rod 10. The spring pushes the telescopic rod 16 out, so that the cleaning head 27 and the brush 28 are held on the inner wall of the tunnel to clean the gravel remaining on the inner wall of the tunnel. When the telescopic rod 3 is retracted into the interior of the pipe jacking machine 1, the limit block 26 is held in the annular groove 2, so that the telescopic rod 16 is inserted into the interior of the swing rod 10.

[0036] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A pipe jacking construction method for cutting metal obstacles, characterized in that: include: Step 1: Cutting: The pipe jacking machine (1) is equipped with a special tool for cutting obstacles. When encountering an obstacle, the tool is extended through a telescopic rod (3) to cut the obstacle. Step 2: Detection: The pipe jacking machine (1) is connected with electromagnetic wave detection and special grouting pipes, which can detect obstacles in advance and will not cause settlement during the metal cutting process.

2. A pipe jacking construction device for cutting metal obstacles as claimed in claim 1, characterized in that: The invention comprises a pipe jacking machine (1), wherein an annular groove (2) is provided at the end of the pipe jacking machine (1), a telescopic rod (3) is inserted at the end of the pipe jacking machine (1), a first rotating shaft (5) is arranged at the end of the telescopic rod (3), a second rotating shaft (6) is arranged on the surface of the first rotating shaft (5), a rotating ring (8) is arranged on the surface of the second rotating shaft (6), and an extension ring (7) is arranged at the end of the rotating ring (8).

3. The pipe jacking construction device for cutting metal obstacles according to claim 2, characterized in that: The rotating ring (8) is sleeved on the surface of the second rotating shaft (6), and the rotating ring (8) can rotate on the surface of the second rotating shaft (6). The extension ring (7) rotates along with the rotating ring (8). The surface of the extension ring (7) is provided with teeth, and the teeth rotate along with the extension ring (7). A cutting head (4) is fixed at the end of the second rotating shaft (6). The telescopic rod (3) can move inside the pipe jacking machine (1). The cutting head (4) moves along with the telescopic rod (3), and a cutting assembly is provided at the end of the cutting head (4).

4. The pipe jacking construction device for cutting metal obstacles according to claim 3, characterized in that: An extension block (9) is fixed on the surface of the rotating ring (8), and the extension block (9) rotates with the rotating ring (8). An adjusting rod (22) is inserted into the surface of the extension block (9), and the adjusting rod (22) can move on the surface of the extension block (9). An adjusting block (18) is fixed at the end of the adjusting rod (22), and the adjusting block (18) moves with the adjusting rod (22). A crushing roller (17) is arranged on the surface of the adjusting block (18), and the crushing roller (17) can roll on the surface of the adjusting block (18). A through groove (24) is opened on the surface of the adjusting block (18), and a vibration rod (23) is inserted into the through groove (24), and the vibration rod (23) can move inside the through groove (24).

5. The pipe jacking construction device for cutting metal obstacles according to claim 4, characterized in that: The through grooves (24) are provided in multiple groups, and the vibration rods (23) are provided in multiple groups. The multiple groups of vibration rods (23) are connected by connecting rods (25). The multiple groups of vibration rods (23) move simultaneously. An arc plate (19) is fixed on the surface of the vibration rod (23). The arc plate (19) moves along with the vibration rod (23). A sleeve ring (21) is fixed on the end of the arc plate (19).

6. The pipe jacking construction device for cutting metal obstacles according to claim 5, characterized in that: The sleeve ring (21) is sleeved on the surface of the adjusting rod (22), and the surface of the sleeve ring (21) is connected to a spring (20), the other end of the spring (20) is connected to the surface of the adjusting rod (22), and the sleeve ring (21) can swing outside the adjusting rod (22).

7. The pipe jacking construction device for cutting metal obstacles according to claim 6, characterized in that: The surface of the telescopic rod (3) is provided with a driving shaft (14), the driving shaft (14) can rotate on the surface of the telescopic rod (3), the surface of the driving shaft (14) is provided with a force rod (13), the force rod (13) rotates along with the driving shaft (14), a rubber ball is provided at the end of the force rod (13), the rubber ball swings along with the force rod (13), an arc groove (29) is provided on the surface of the telescopic rod (3), a swing ring (12) is inserted in the arc groove (29), the swing ring (12) can move in the arc groove (29), and an elastic rod (30) is provided in the arc groove (29), a gear (15) is fixed to the end of the driving shaft (14), the teeth on the surface of the gear (15) mesh with the teeth on the surface of the extension ring (7).

8. The pipe jacking construction device for cutting metal obstacles according to claim 7, characterized in that: One end of the elastic rod (30) is connected to the inner wall of the arc groove (29), and the other end is connected to the end of the swing ring (12). The surface of the swing ring (12) is provided with a force block (11), and the force block (11) is provided in multiple groups. The rubber ball at the end of the force rod (13) will contact the surface of the force block (11) during the swinging process.

9. The pipe jacking construction device for cutting metal obstacles according to claim 8, characterized in that: A swing rod (10) is fixed on the surface of the swing ring (12), a telescopic rod (16) is inserted into the end of the swing rod (10), a spring is arranged inside the swing rod (10), one end of the spring is connected to the inside of the swing rod (10), and the other end is connected to the end of the telescopic rod (16), a cleaning head (27) is fixed to the end of the telescopic rod (16), a brush (28) is arranged at the end of the cleaning head (27), and a limiting block (26) is arranged at the end of the telescopic rod (16).

10. The pipe jacking construction device for cutting metal obstacles according to claim 9, characterized in that: The swing rod (10) swings along with the swing ring (12), the cleaning head (27) and the telescopic rod (16) swing along with the swing ring (12), and the brush (28) and the cleaning head (27) are supported on the inner wall of the tunnel. When the telescopic rod (16) moves along with the telescopic rod (3), the limit block (26) is supported in the annular groove (2) at the end of the pipe jacking machine (1), so that the telescopic rod (16) is forced to be retracted into the inside of the swing rod (10).

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