Pay-off mechanism and crawler-type tensioner
By introducing auxiliary support components and crimping components into the wire laying mechanism, combined with the crawler chassis, the problems of wire tail drop and collision are solved, ensuring the quality of wires and reducing safety risks, and using electrical energy drives to improve the equipment efficiency and environmental protection.
Patent Information
- Application Number
- CN202421109477.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-20
AI Technical Summary
During power line construction, the tail of the wire falls off the cable tray due to lack of support, resulting in wear of the wire and lack of restraint, causing the tail end to collide with surrounding objects, which poses a safety risk.
A wire laying mechanism is designed, including an auxiliary support assembly and a crimping assembly. The auxiliary support assembly supports the wire through a threaded rod and a servo motor. The crimping assembly limits the tail end of the wire through an electric push rod and a crimping roller. Combined with a crawler chassis for easy climbing and positioning.
It effectively avoids the fall and wear of the tail of the wire, reduces safety risks, and achieves energy saving and environmental protection through electrical energy drive, which is suitable for movement in complex road conditions.
Smart Images
Figure CN222204355U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of tension machines, and specifically relates to a wire-releasing mechanism and a crawler-type tension machine. Background Art
[0002] The construction technology of tension wire laying for power lines has been widely used in the construction of high-voltage and ultra-high-voltage power lines. In the construction of power lines, tension wire laying is to use construction machinery such as traction machines and tension machines to lay out the conductors, so that the conductors are separated from the ground or crossing objects during the laying process and are in an overhead state, thereby effectively avoiding damage to the conductors during the laying process.
[0003] At present, the main process of the tension wire laying construction process is as follows: first, arrange the traction field and the tension field, and hang the wire laying pulley, then use the drone to unfold the smallest and lightest guide rope from the traction field to the tension field to connect the two points, and then unfold the traction rope. After the traction rope is in place, start to lay the wire. After the wire is laid, anchor the wire and complete the wire laying. However, in the process of laying the wire, when the wire on the cable drum is about to be laid out, there will be a 2-3 meter gap between the cable drum and the tension machine. After the tail of the wire is separated from the cable drum, it will fall to the ground due to lack of support, and drag on the ground with the traction of the tension machine, causing wear on the outer skin of the wire and affecting the quality of the wire; in addition, when the tail end of the wire passes through the tension wheel, due to the lack of a wire pressing mechanism to restrain it, the tail end of the wire will collide with surrounding objects under the action of gravity and inertia every time it passes through the side and bottom of the tension wheel, and there may even be a risk of injury.
[0004] Therefore, improvements are urgently needed. Utility Model Content
[0005] In view of this, the purpose of the utility model is to provide a wire-releasing mechanism and a crawler-type tension machine, which can play a supporting role between the tension wheel and the cable drum through an auxiliary support component, so as to prevent the tail of the wire from falling to the ground and being dragged, causing wear on the outer skin of the wire, thereby ensuring the quality of the wire; through the wire pressing component, the tail end of the wire on the tension wheel can be constrained and limited, thereby reducing its collision with surrounding objects and reducing safety risks; in addition, the drive motor is driven by electric energy, which is energy-saving, environmentally friendly, pollution-free and efficient; a crawler-type chassis is provided at the bottom of the tension machine, which is convenient for climbing slopes, suitable for complex road conditions such as mountains, and is flexible to move and easy to put into place.
[0006] In the first aspect, the embodiment of the utility model provides a wire-releasing mechanism, including a frame, a cable drum bracket and an auxiliary support assembly, a tension wheel group and a drive motor are arranged on the frame, the tension wheel group includes two tension wheels arranged side by side in front and back, and each tension wheel is provided with a groove, the groove is convenient for winding the wire, the drive motor is used to drive the two tension wheels to rotate, the drive motor is connected to the wheel axles of the two traction wheels through a reducer, the drive motor is powered by a lithium battery pack, and can also be connected to the mains to power it, or hydrogen energy is used as a power source, which is pollution-free and efficient; the front side, bottom and oblique front and bottom of the tension wheel in the front of the tension wheel group, and the rear side, bottom and oblique rear and bottom of the tension wheel in the rear of the tension wheel group are provided with a wire pressing assembly, each wire pressing assembly includes a fixed plate, an electric push rod and a mounting seat, the fixed plate is fixedly connected to the frame, the electric push rod is fixed to the side of the fixed plate close to the tension wheel, the mounting seat is fixedly connected to the free end of the electric push rod, a wire pressing roller is provided in the mounting seat, a bracket is provided at the rear end of the frame, and a first guide roller group is provided above the bracket.
[0007] The cable tray bracket is located on the rear side of the rack and is used to hold the cable tray.
[0008] The auxiliary support assembly is located between the frame and the cable drum bracket. The auxiliary support assembly includes a base, a threaded rod, a support plate, two guide telescopic rods and a servo motor arranged above the base. The bottom end of the threaded rod is rotatably connected to the base, the threaded rod passes through the support plate, and the support plate is slidably connected to the threaded rod through a nut pair of the threaded rod. A second guide roller group is arranged at the front and rear ends above the support plate. The two guide telescopic rods are fixedly connected between the support plate and the base, and the two guide telescopic rods are respectively located on the front and rear sides of the threaded rod, and the output shaft of the servo motor is transmission-connected to the threaded rod through a bevel gear transmission pair.
[0009] Optionally, the width of the crimping roller is matched to the width of the tension wheel.
[0010] Optionally, movable wheels are provided below the base, and telescopic feet are provided at both the front and rear ends of the base.
[0011] Specifically, the moving wheels are universal wheels with a locking function, which are convenient for movement; and the telescopic legs are convenient for fixing on the ground.
[0012] Optionally, a limit block is provided at the top end of the threaded rod.
[0013] Optionally, the first guide roller group and the second guide roller group each include a transverse guide roller and two longitudinal guide rollers, and the two longitudinal guide rollers are located at left and right ends of the rear side of the transverse guide roller.
[0014] Specifically, when in use, the wire is passed between two longitudinal guide rollers and rests on the transverse guide roller, thereby providing guidance for the wire.
[0015] Optionally, the bevel gear transmission pair includes a meshing vertical bevel gear and a horizontal bevel gear, the vertical bevel gear is mounted on the output shaft of the servo motor, and the horizontal bevel gear is fixed on the outside of the threaded rod.
[0016] In a second aspect, an embodiment of the utility model provides a crawler-type tension machine, and the crawler-type tension machine includes the above-mentioned wire-releasing mechanism.
[0017] Optionally, a crawler chassis is provided below the frame, and hydraulic legs are provided at both the front and rear ends of the frame.
[0018] Specifically, the crawler chassis is easy to climb, suitable for complex road conditions such as mountainous areas, flexible to move, and easy to put into position; the hydraulic outriggers facilitate the fixation of the entire machine.
[0019] Optionally, an air cooler and an electric control box are also provided on the rack, and a controller for controlling the actions of the drive motor, the servo motor, the air cooler and each electric push rod is provided inside the electric control box.
[0020] The utility model also includes other components that enable a pay-off mechanism and a crawler tension machine to be used normally, which are all conventional technical means in the field. In addition, the devices or components not limited in the utility model all adopt conventional technical means in the field, such as drive motors, servo motors, electric push rods, cooling fans and crawler chassis.
[0021] The working principle of the utility model is to make one end of the wire in the cable drum cross the first guide roller group, bypass the two tension wheels, and then connect with the traction rope through the walking plate, move the auxiliary support assembly between the frame and the cable drum bracket, control the output shaft of the servo motor to rotate, drive the threaded rod to rotate, so that the support plate moves up under the guidance of the guide telescopic rod, and then the two second guide roller groups can support the wire; when the wire on the cable drum is about to be fully unfolded, the tail of the wire will be pulled to the tension wheel under the support of the support plate and the two second guide roller groups after leaving the cable drum. At this time, the electric push rod of the wire pressing assembly at each location is controlled to stretch the free end, drive the wire pressing roller wheel close to the tension wheel, limit and restrain the tail end of the wire, reduce its collision with surrounding objects, and reduce safety risks.
[0022] The beneficial effects of the utility model are that, through the auxiliary support component, it can play an auxiliary support role between the tension wheel and the cable drum, preventing the tail of the wire from falling to the ground and being dragged, causing wear on the outer skin of the wire, thereby ensuring the quality of the wire; through the wire pressing component, it can restrain and limit the tail end of the wire on the tension wheel, reduce its collision with surrounding objects, and reduce safety risks; in addition, the drive motor is driven by electric energy, which is energy-saving, environmentally friendly, pollution-free and highly efficient; a crawler chassis is provided at the bottom of the tension machine, which is convenient for climbing slopes, suitable for complex road conditions such as mountains, and is flexible to move and easy to put into place. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0024] Figure 1 A schematic structural diagram of a wire-releasing mechanism provided in an embodiment of the utility model.
[0025] Figure 2 A schematic structural diagram of an auxiliary support assembly of a wire-releasing mechanism provided in an embodiment of the utility model.
[0026] Figure 3 A schematic structural diagram of a wire pressing assembly of a wire paying-off mechanism provided in an embodiment of the utility model.
[0027] In the figure: 1. frame, 2. cable drum bracket, 3. auxiliary support assembly, 4. tension wheel group, 5. groove, 6. wire pressing assembly, 7. fixing plate, 8. electric push rod, 9. mounting seat, 10. wire pressing roller, 11. first guide roller group, 12. cable drum, 13. base, 14. threaded rod, 15. support plate, 16. guide telescopic rod, 17. servo motor, 18. second guide roller group, 19. bevel gear transmission pair, 20. crawler chassis, 21. hydraulic support leg, 22. wire. DETAILED DESCRIPTION
[0028] The present invention is described in detail below in conjunction with the drawings and specific embodiments in the embodiments of the present invention. The description here is only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., should be included in the protection scope of the present invention.
[0029] Example
[0030] like Figure 1-3As shown, the embodiment of the utility model provides a wire-releasing mechanism, including a frame 1, a cable drum bracket 2 and an auxiliary support assembly 3. A tension wheel group 4 and a driving motor (not shown in the figure) are arranged on the frame 1. The tension wheel group 4 includes two tension wheels arranged side by side in front and back, and each tension wheel is provided with a groove 5, which is convenient for winding the wire 22. The driving motor (not shown in the figure) is used to drive the two tension wheels to rotate. The driving motor (not shown in the figure) is connected to the wheel axles of the two traction wheels through a reducer. The driving motor (not shown in the figure) is powered by a lithium battery pack, and can also be connected to the mains to power it, or use hydrogen energy as a power source. Source, pollution-free and high efficiency; a wire pressing assembly 6 is arranged on the front side, bottom and oblique front and bottom of the tension wheel in the tension wheel group 4, and the rear side, bottom and oblique rear and bottom of the tension wheel in the tension wheel group 4, each wire pressing assembly 6 includes a fixed plate 7, an electric push rod 8 and a mounting seat 9, the fixed plate 7 is fixedly connected to the frame 1, the electric push rod 8 is fixed on the side of the fixed plate 7 close to the tension wheel, the mounting seat 9 is fixedly connected to the free end of the electric push rod 8, a wire pressing roller 10 is arranged in the mounting seat 9, the width of the wire pressing roller 10 is adapted to the width of the tension wheel, a bracket is arranged at the rear end of the frame 1, and a first guide roller group 11 is arranged above the bracket.
[0031] The cable drum support 2 is located at the rear side of the rack 1 and is used for placing the cable drum 12 .
[0032] The auxiliary support assembly 3 is located between the frame 1 and the cable drum bracket 2. The auxiliary support assembly 3 includes a base 13, a threaded rod 14, a support plate 15, two guide telescopic rods 16 and a servo motor 17 arranged above the base 13. A universal wheel with a locking function is arranged below the base 13 for easy movement; telescopic feet are arranged at the front and rear ends of the base 13 for easy fixation on the ground; the bottom end of the threaded rod 14 is rotatably connected to the base 13, and a limited position block is arranged at the top of the threaded rod 14. The threaded rod 14 passes through the support plate 15, and the support plate 15 is slidably connected to the threaded rod 14 through the nut pair of the threaded rod 14. A second guide roller group 18 is arranged at the front and rear ends above the support plate 15. The two guide telescopic rods 16 are fixedly connected between the support plate 15 and the base 13, and the two guide telescopic rods 16 are respectively located at the front and rear sides of the threaded rod 14, and the output shaft of the servo motor 17 is transmission-connected to the threaded rod 14 through a bevel gear transmission pair 19.
[0033] In addition, the first guide roller group 11 and the second guide roller group 18 each include a transverse guide roller and two longitudinal guide rollers, and the two longitudinal guide rollers are located at the left and right ends of the rear side of the transverse guide roller. When in use, the wire 22 passes between the two longitudinal guide rollers and rests on the transverse guide rollers, thereby providing guidance for the wire 22. The bevel gear transmission pair 19 includes a meshing vertical bevel gear and a horizontal bevel gear, the vertical bevel gear is mounted on the output shaft of the servo motor 17, and the horizontal bevel gear is fixed to the outside of the threaded rod 14.
[0034] The embodiment of the utility model further provides a crawler type tension machine, which includes the wire release mechanism mentioned in the above embodiment.
[0035] A crawler chassis 20 is provided below the frame 1, and hydraulic legs 21 are provided at both the front and rear ends of the frame 1. The crawler chassis 20 is convenient for climbing, suitable for complex road conditions such as mountainous areas, flexible in movement, and convenient in position; the hydraulic legs 21 facilitate the fixing of the entire machine. An air cooler and an electric control box are also provided on the frame 1. The air cooler is used to cool down the drive motor (not shown in the figure) and other equipment, and a controller for controlling the drive motor (not shown in the figure), the servo motor 17, the air cooler, and the actions of each electric push rod 8 is provided inside the electric control box.
[0036] The working principle of the utility model is that one end of the wire 22 in the cable drum 12 is passed over the first guide roller group 11, and after passing around the two tension wheels, it is connected to the traction rope through the walking board, and the auxiliary support assembly 3 is moved between the frame 1 and the cable drum bracket 2, and the output shaft of the servo motor 17 is controlled to rotate, and the threaded rod 14 is driven to rotate, so that the support plate 15 moves up under the guidance of the guide telescopic rod 16, and then the two second guide roller groups 18 can support the wire 22; when the wire 22 on the cable drum 12 is about to be fully unfolded, the tail of the wire 22 will be pulled to the tension wheel under the support of the support plate 15 and the two second guide roller groups 18 after leaving the cable drum 12. At this time, the electric push rod 8 of the wire pressing assembly 6 at each location is controlled to stretch the free end, and the wire pressing roller 10 is driven to approach the tension wheel, so as to limit and restrain the tail end of the wire 22, reduce its collision with surrounding objects, and reduce safety risks.
[0037] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.
Claims
1. A cable pay-off mechanism, comprising a frame, a cable drum support and an auxiliary support assembly, characterized in that: A tension wheel group and a driving motor are arranged on the frame, the tension wheel group includes two tension wheels arranged side by side in front and back, and each tension wheel is provided with a groove, the driving motor is used to drive the two tension wheels to rotate, and a wire pressing assembly is arranged on the front side, the bottom and the oblique front and lower side of the tension wheel in the tension wheel group, and the rear side, the bottom and the oblique rear and lower side of the tension wheel in the tension wheel group, each wire pressing assembly includes a fixing plate, an electric push rod and a mounting seat, the fixing plate is fixedly connected to the frame, the electric push rod is fixed to a side of the fixing plate close to the tension wheel, the mounting seat is fixedly connected to the free end of the electric push rod, a wire pressing roller is arranged in the mounting seat, a bracket is arranged at the rear end of the frame, and a first guide roller group is arranged above the bracket; The cable tray bracket is located at the rear side of the rack and is used to place the cable tray; The auxiliary support assembly is located between the frame and the cable drum bracket. The auxiliary support assembly includes a base, a threaded rod, a support plate, two guide telescopic rods and a servo motor arranged above the base. The bottom end of the threaded rod is rotatably connected to the base, the threaded rod passes through the support plate, and the support plate is slidably connected to the threaded rod through a nut pair of the threaded rod. A second guide roller group is arranged at the front and rear ends above the support plate. The two guide telescopic rods are fixedly connected between the support plate and the base, and the two guide telescopic rods are respectively located on the front and rear sides of the threaded rod, and the output shaft of the servo motor is transmission-connected to the threaded rod through a bevel gear transmission pair.
2. The wire-releasing mechanism according to claim 1, characterized in that: The width of the crimping roller is matched with the width of the tension wheel.
3. The wire-releasing mechanism according to claim 2, characterized in that: Moving wheels are arranged below the base, and telescopic supporting feet are arranged at both the front and rear ends of the base.
4. The wire-releasing mechanism according to claim 3, characterized in that: A limit block is arranged on the top end of the threaded rod.
5. The wire-releasing mechanism according to claim 4, characterized in that: The first guide roller group and the second guide roller group each include a transverse guide roller and two longitudinal guide rollers, and the two longitudinal guide rollers are located at the left and right ends of the rear side of the transverse guide roller.
6. The wire-releasing mechanism according to claim 5, characterized in that: The bevel gear transmission pair comprises a meshing vertical bevel gear and a horizontal bevel gear, the vertical bevel gear is mounted on the output shaft of the servo motor, and the horizontal bevel gear is fixed on the outside of the threaded rod.
7. A crawler type tension machine, characterized in that: It comprises the line-releasing mechanism as described in any one of claims 1 to 6 above.
8. The crawler type tension machine according to claim 7, characterized in that: A crawler chassis is arranged below the frame, and hydraulic outriggers are arranged at both the front and rear ends of the frame.
9. The crawler type tension machine according to claim 8, characterized in that: The frame is also provided with an air cooler and an electric control box, and the inside of the electric control box is provided with a controller for controlling the driving motor, the servo motor, the air cooler and the actions of each electric push rod.