Self-diameter-adaptive railway tunnel drainage pipeline desilting device

Abstract

The utility model relates to the technical field of pipeline desilting, and solves the problem that most desilting machines can only desilt drainage pipelines with single sizes, so that the application range of a sewage pipeline desilting device is narrow. The self-diameter-adaptive railway tunnel drainage pipeline dredging device comprises a dredging mechanism which forms an acting surface on drainage pipeline sludge, and a supporting mechanism which circumferentially surrounds the dredging mechanism to support the dredging mechanism and comprises two fixed connecting rings, the two fixed connecting rings are connected through a fixed rod, and the fixed rod is connected with the dredging mechanism. A plurality of fixed side plates used for forming a central supporting surface are arranged in the two fixed connecting rings, a camera used for observing the working condition in the pipeline is arranged on one of the fixed side plates, and the guide mechanism is arranged between the two fixed connecting rings, is used for self-adapting to the change of the pipe wall and is provided with a guide rail connected with the fixed connecting rings; and two moving rods penetrating through the guide rail are mounted on the guide rail in a bilateral symmetry manner.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline desilting, in particular to a self-adaptive railway tunnel drainage pipeline desilting device. Background Art

[0002] With the increasing number of newly built tunnels in China and the extension of tunnel operation life, various problems have emerged in most tunnels. The most common problem is the blockage of the drainage system in the tunnel, which will directly affect the safety of railway tunnel driving and the service status of the tunnel structure.

[0003] The disadvantages of traditional dredging methods are very obvious: the cleaning period is long due to the need for manual intervention, the blockage situation cannot be obtained in advance, and the safety of workers cannot be effectively guaranteed. As a result, problems that arise at any time will affect driving safety. Most dredging machines can only dredge drainage pipes of a single size, which results in a narrow scope of application of sewage pipe dredging equipment.

[0004] In summary, how to conveniently and safely complete the dredging of railway tunnel drainage pipes is a problem that needs to be urgently solved by technical personnel in this field. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a self-adaptive railway tunnel drainage pipe dredging device, which solves the problem that most dredging machines can only dredge drainage pipes of a single size, thereby resulting in a narrow application range of the sewage pipe dredging device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a self-adaptive railway tunnel drainage pipe dredging device, comprising:

[0007] A desilting mechanism, which forms an action surface for the silt in the drainage pipe;

[0008] A support mechanism, which surrounds the dredging mechanism in a circumferential direction to form support for the dredging mechanism, comprises two fixed connection rings, the two fixed connection rings are connected by a fixed rod, a plurality of fixed side plates for forming a central support surface are arranged inside the two fixed connection rings, and a camera for observing the working conditions in the pipeline is installed on one of the fixed side plates;

[0009] The guide mechanism is installed between two fixed connecting rings for adaptively adapting to changes in the pipe wall. It is provided with a guide rail connected to the fixed connecting ring. Two moving rods running through it are symmetrically installed on the guide rail. The two ends of the moving rod are respectively connected with a micro spring and a bent rod, and the two bent rods are connected by a connecting rod.

[0010] In one of the specific embodiments, the dredging mechanism includes a plugging flexible shaft and a dredging drill bit installed at one end thereof. The plugging flexible shaft is installed between two fixed connecting rings and is limited by a fixed side plate.

[0011] In one of the specific embodiments, two single fixed side plates are symmetrically arranged on a fixed connecting ring, a stepped shaft is connected between the two fixed side plates, a support bearing is arranged on the stepped shaft, and the support bearing is in contact with the plugging flexible shaft and rotates synchronously with it.

[0012] In one specific embodiment, the bending rod includes a force-bearing end connected to the micro-spring, the force-bearing end extends toward the connecting rod and is connected to a rotational end connected to the connecting rod, and an end of the rotational end extending away from the force-bearing end is connected to a guide bearing;

[0013] The guide rail is provided with a slot with a width greater than the diameter of the moving rod.

[0014] In one of the specific embodiments, circular ports are provided on the opposite end surfaces of the two fixed connection rings, and the guide rails are installed on the fixed connection rings by adapting to the circular ports.

[0015] In one specific embodiment, the outer surface of the dredging drill bit is rough.

[0016] Compared with the prior art, the utility model provides a self-adaptive railway tunnel drainage pipe dredging device, which has the following beneficial effects:

[0017] In the technical solution disclosed by the utility model, based on the different direction movement of the two moving rods under the action of spring force, the two moving rods will indirectly drive the guide bearing to adjust upward or downward in the radial direction after the force or external force disappears, thereby realizing the adjustment of the distance between the guide bearing and the guide rail, and adapting to the diameter of the operating pipeline, so as to achieve the purpose of dredging railway tunnel drainage pipelines with different inner diameters, thereby greatly improving the scope of application of the utility model.

[0018] The utility model limits the plugging flexible shaft at the center position of the pipeline through the supporting mechanism. When the dredging device starts the dredging operation, the plugging flexible shaft will shake to a certain extent. At this time, the supporting mechanism will limit the plugging flexible shaft within a certain range. At the same time, the plugging flexible shaft will contact the supporting bearing when shaking. The supporting bearing will rotate under the action of the plugging flexible shaft to eliminate the influence of the shaking of the plugging flexible shaft on the entire device and prevent the dredging drill bit from causing destructive effects on the pipe wall when the plugging flexible shaft shakes. Therefore, the utility model can greatly reduce the destructive effects on the pipe wall during the dredging operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0020] Figure 1 This is the main view of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the guide mechanism structure of the utility model;

[0022] Figure 3 This is the axonometric diagram of the overall structure of the utility model

[0023] Figure 4 This is a schematic diagram of the support mechanism structure of the utility model;

[0024] Figure 5 It is a schematic diagram of the structure of the dredging mechanism of the utility model.

[0025] In the figure: 1. dredging mechanism; 11. plugging flexible shaft; 12. dredging drill bit; 2. supporting mechanism; 21. fixed connecting ring; 22. fixed rod; 23. fixed side plate; 24. camera; 25. stepped shaft; 26. supporting bearing; 3. guiding mechanism; 31. guide rail; 32. moving rod; 33. micro spring; 34. bending rod; 341. force end; 342. rotation end; 35. guide bearing; 36. connecting rod. DETAILED DESCRIPTION

[0026] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0028] There are two basic methods for dredging at present: manual and mechanical. The operation that requires manual intervention will result in a long cleaning period, and the siltation situation cannot be obtained in advance, resulting in the safety of workers not being effectively guaranteed. As a result, problems that arise at any time will affect driving safety. The other method is mechanical dredging, which has the problem that most existing machines can only dredge drainage pipes of a single size, resulting in a narrow scope of application of sewage pipe dredging devices. Based on the above problems, this solution is based on the basic idea of ​​mechanical dredging, and solves the problem of mechanical adaptability to pipe diameters based on this idea.

[0029] Specifically, this solution describes a self-adaptive railway tunnel drainage pipe desilting device, such as Figure 1-Figure 5 As shown, based on the combination of the moving rod 32 and the micro spring 33 in the guide mechanism 3, the two moving rods 32 move in different directions under the action of the spring force. After the force or external force disappears, the two moving rods 32 will indirectly drive the guide bearing 35 to adjust upward or downward in the radial direction, thereby adjusting the distance between the guide bearing 35 and the guide rail 31, adapting to the diameter of the operating pipeline, and achieving the purpose of being able to perform dredging operations on railway tunnel drainage pipelines with different inner diameters, thereby greatly improving the scope of application of the utility model.

[0030] A self-adaptive railway tunnel drainage pipe desilting device is also provided with a desilting mechanism 1 which forms an action surface for the drainage pipe silt, such as Figure 5 As shown, the dredging mechanism 1 is provided with a plugging flexible shaft 11 and a dredging drill bit 12 installed at one end thereof. The plugging flexible shaft 11 is made of flexible material to meet the purpose of being bendable and is suitable for various U-shaped / S-shaped / L-shaped working conditions in the pipe. The plugging flexible shaft 11 is connected to the motor shaft of an external driving motor for driving the dredging drill bit 12 to rotate. The dredging drill bit 12 is fixed to the left side of the plugging flexible shaft 11 by a threaded connection. The external motor is driven by the controller to drive the dredging drill bit 12 to rotate through the plugging flexible shaft 11, thereby clearing the silt in the drainage pipe. By gradually increasing the advancement length of the plugging flexible shaft 11 in the pipe, the dredging drill bit 12 is advanced in the pipe to clear the blockage. Based on the purpose of clearing, the outer surface of the dredging drill bit 12 is rough, thereby increasing the contact area with the silt and accelerating the cleaning efficiency.

[0031] On the basis of the dredging mechanism 1, in order to solve the shaking caused by the dredging mechanism 1 during the dredging process, this solution sets the following Figure 4The support mechanism 2 shown in the figure limits the centering thereof. The support mechanism 2 circumferentially surrounds the dredging mechanism 1 to form support for the dredging mechanism 1. Two fixed connecting rings 21 are arranged to surround the plugging flexible shaft 11. The two fixed connecting rings 21 are connected by a fixed rod 22. However, the limiting effect of the plugging flexible shaft 11 by only the fixed connecting rings 21 is still not good. Therefore, a plurality of fixed side plates 23 for forming a central supporting surface are arranged inside the two fixed connecting rings 21 to reduce the limiting radius of the plugging flexible shaft 11. The above-mentioned fixed side plates 23 are arranged in groups, and a single group is symmetrically arranged on a fixed connecting ring 21. The spacing between two or a group of fixed side plates 23 can be further installed to reduce the impact of vibration generated during the dredging process of the plugging flexible shaft 11 on the overall structure. In this solution, a stepped shaft 25 is connected between the two fixed side plates 23. A support bearing 26 is rotatably arranged on the stepped shaft 25. The support bearing 26 contacts the plugging flexible shaft 11 and rotates synchronously with it to eliminate the impact of the plugging flexible shaft 11 on the entire device when it shakes, and prevents the dredging drill 12 from causing destructive effects on the pipe wall when the plugging flexible shaft 11 shakes. The utility model can greatly reduce the destructive effects on the pipe wall during dredging operations. At the same time, a camera 24 for observing the working conditions in the pipe is installed on one of the fixed side plates 23. The high-definition camera 24 can be used to observe the dredging effect inside the drainage pipe in real time, and decide whether to complete the dredging operation while checking the situation in the pipe. The end node is determined by intuitive observation, thereby increasing the efficiency of local dredging operations in the pipe.

[0032] In addition, the pipeline desilting device is also provided with a guide mechanism 3 for adaptively adjusting the pipe wall changes. Figure 4 As shown, it is installed between two fixed connecting rings 21, and a circular port is opened on the opposite end surface of the fixed connecting ring 21, such as Figure 2As shown, the guide rail 31 is installed on the fixed connecting ring 21 by adapting to the circular port, and two moving rods 32 are symmetrically installed on the guide rail 31. A slot with a width greater than the diameter of the moving rod 32 is opened on the guide rail 31 to form a moving base for the moving rod 32 on the guide rail 31. The two ends of the moving rod 32 are respectively connected to a micro spring 33 and a bent rod 34. The two bent rods 34 are connected by a connecting rod 36. The bent rod 34 is provided with a force-bearing end 341 connected to the micro spring 33. The force-bearing end 341 extends toward the connecting rod 36 and is connected to a rotation end 342 connected to the connecting rod 36. The end of the rotation end 342 extending away from the force-bearing end 341 is connected to a guide bearing 35. When the self-adaptive railway tunnel drainage pipeline desilting device of the utility model is needed, First, the operator presses the guide mechanism 3 by hand according to the inner diameter of the drainage pipe. The two moving rods 32 will move in different directions under the action of the spring force. At this time, the guide bearing 35 fits on the guide rail 31 to reach the minimum pipe diameter value that can be adapted. Then the device is placed inside the drainage pipe. After the external force disappears, the micro spring 33 retracts, pulling the force-bearing end 341 to move, and pulling the rotation end 342 connected to it to move at the same time. Based on the setting of the connecting rod 36, the rotation end 342 only rotates. Therefore, the guide bearing 35 produces an arc trajectory movement under the structural action of the rotation end 342, and changes from the initial state of fitting the track when entering the pipe to the state of contacting the pipe wall. At this time, the guide mechanism 3 as a whole is subjected to external force, that is, the pressure exerted on it by the pipe wall, thereby maintaining the existing shape.

[0033] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0034] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-adaptive railway tunnel drainage pipe desilting device, characterized in that: include: A desilting mechanism (1) which forms an action surface for the silt in the drainage pipe; A support mechanism (2) surrounds the dredging mechanism (1) in a circumferential direction to form support for the dredging mechanism (1), and comprises two fixed connection rings (21), the two fixed connection rings (21) are connected by a fixed rod (22), a plurality of fixed side plates (23) for forming a central support surface are arranged inside the two fixed connection rings (21), and a camera (24) for observing the working conditions in the pipeline is installed on one of the fixed side plates (23); The guide mechanism (3) is installed between two fixed connection rings (21) for adapting to changes in the pipe wall. The guide mechanism (3) is provided with a guide rail (31) connected to the fixed connection ring (21). Two movable rods (32) passing through the guide rail (31) are symmetrically installed on the left and right sides. The two ends of the movable rod (32) are respectively connected to a micro spring (33) and a bent rod (34). The two bent rods (34) are connected by a connecting rod (36).

2. The drainage pipe desilting device according to claim 1, characterized in that: The desilting mechanism (1) comprises a plugging flexible shaft (11) and a desilting drill bit (12) mounted on one end thereof; the plugging flexible shaft (11) is mounted between two fixed connection rings (21) and is limited in position by a fixed side plate (23).

3. The drainage pipe desilting device according to claim 1, characterized in that: Two fixed side plates (23) are symmetrically arranged on a fixed connecting ring (21), a stepped shaft (25) is connected between the two fixed side plates (23), a support bearing (26) is arranged on the stepped shaft (25), and the support bearing (26) contacts the plugging flexible shaft (11) and rotates synchronously with it.

4. The drainage pipe desilting device according to claim 1, characterized in that: The bent rod (34) includes a force-bearing end (341) connected to the micro spring (33), the force-bearing end (341) extends in the direction of the connecting rod (36) and is connected to a rotation end (342) connected to the connecting rod (36), and the end of the rotation end (342) extending away from the force-bearing end (341) is connected to a guide bearing (35); The guide rail (31) is provided with a slot having a width greater than the diameter of the moving rod (32).

5. The drainage pipe desilting device according to claim 3, characterized in that: The two opposite end surfaces of the two fixed connection rings (21) are provided with circular ports, and the guide rail (31) is installed on the fixed connection ring (21) by adapting to the circular ports.

6. The drainage pipe desilting device according to claim 2, characterized in that: The outer surface of the dredging drill bit (12) is rough.

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