Convenient-to-adjust stringing construction tackle
By designing a locking component and an electric push rod to adjust the pulley spacing, the problem of existing pulleys being unable to adapt to cables of different diameters was solved, realizing the versatility of the pulleys and the convenient replacement of the guide wheels, thereby improving construction efficiency and line quality.
Patent Information
- Application Number
- CN202520159292.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-23
AI Technical Summary
The existing overhead line construction pulleys lack the function of easily adjusting the distance between the pulleys, which makes them unable to adapt to cables of different diameters, affecting construction efficiency and line quality.
A wire-laying construction trolley including a locking assembly, an electric push rod, and guide wheels was designed. The pulley spacing is adjusted by a ratchet and pawl mechanism, and the guide wheels are fixed by an electric push rod and a C-shaped plate, so as to achieve flexible adjustment of the pulley spacing and guide wheels.
It enables the trolley to adapt to cables of different diameters, reduces cable friction loss, improves construction efficiency and line quality, and facilitates the replacement and maintenance of guide wheels.
Smart Images
Figure CN223912164U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of stringing construction pulley, especially to a stringing construction pulley convenient to adjust. BACKGROUND
[0002] The stringing construction pulley is a tool for power, communication and other line erection, mainly used for supporting and guiding the conductor in the stringing process, which is usually installed on the conductor erection tower or other support structure, can help to slide the conductor and ensure its smooth laying in the predetermined position.
[0003] The stringing construction pulley is used for different construction environment and conductor requirements, and the mechanism is convenient to adjust, so that the pulley can work at different height, angle and position through adjustment, ensuring the conductor to keep stable and accurate in the laying process, which helps to improve the construction efficiency, reduce the friction loss and ensure the quality and safety of the line.
[0004] Most of the stringing construction pulley is fixed with pulley in the pulley during use, and then the cable is started to be pulled, which lacks the distance between the pulleys, resulting in the problem that the pulley cannot adapt to different diameter cables during use. TECHNICAL CONTENT
[0005] In order to make up for the above shortcomings, the utility model provides a stringing construction pulley convenient to adjust, which aims at improving the problem that the stringing construction pulley lacks the distance between the pulleys during use.
[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:
[0007] A stringing construction pulley convenient to adjust, including the work frame, the inner wall of the work frame is rotatably connected with the connecting rod, the outer wall of the connecting rod is fixedly connected with the rotating plate, the left outer wall of the connecting rod is fixedly connected with the handle, the left outer wall of the rotating plate is rotatably connected with the transmission plate, the inner wall of the transmission plate is rotatably connected with the first fixed rod, the right outer wall of the first fixed rod is fixedly connected with the sliding plate, the inner wall of the sliding plate is slidably connected with the first sliding rod, both ends of the first sliding rod are fixedly connected with the inner wall of the work frame, the right outer wall of the sliding plate is fixedly connected with the first fixed column, the outer wall of the first fixed column is slidably connected with the inner wall of the work frame, the outer wall of the first fixed column is rotatably connected with the pulley, the upper surface of the work frame is fixedly connected with the lifting hook, the outer wall of the connecting rod is provided with the locking assembly, and the locking assembly is used for locking after the rotation of the connecting rod.
[0008] Preferably, the locking assembly comprises a ratchet wheel, the inner wall of the ratchet wheel is fixedly connected to the outer wall of the connecting rod, the outer wall of the ratchet wheel is engaged with a pawl, the inner wall of the pawl is rotatably connected to the left outer wall of the working frame, the lower surface of the pawl is fixedly connected with a spring, and the lower surface of the spring is fixedly connected to the left outer wall of the working frame.
[0009] Preferably, the lower surface of the working frame is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a second sliding rod, and the outer wall of the second sliding rod is slidably connected with a fixed block.
[0010] Preferably, the upper surface of the fixed block is fixedly connected to the lower surface of the working frame, the left outer wall of the fixed block is fixedly connected with a fixed plate, and the right outer wall of the fixed plate is fixedly connected with a limiting block.
[0011] Preferably, the front outer wall of the second sliding rod is fixedly connected with a transmission block, and the front outer wall of the transmission block is arranged on the rear outer wall of the limiting block.
[0012] Preferably, the left outer wall of the transmission block is rotatably connected with a moving plate, and the inner wall of the moving plate is rotatably connected with a C-shaped plate.
[0013] Preferably, the inner wall of the C-shaped plate is rotatably connected with a second fixed rod, and the two ends of the second fixed rod are fixedly connected to the inner wall of the limiting block.
[0014] Preferably, the outer wall of the C-shaped plate is provided with a second fixed column, and the outer wall of the second fixed column is rotatably connected with a guide wheel.
[0015] The utility model has the advantages of the following beneficial effects:
[0016] 1. In the utility model, the handle is rotated backward to drive the connecting rod and the rotating plate to rotate backward, drive the transmission plate to move upward, drive the sliding plate and the first fixed column to move upward through the transmission plate, drive the pulley to move upward, so that the interval of the pulley is adjusted conveniently, and the effect of adapting to various cables with different diameters is achieved.
[0017] 2. In the utility model, the electric push rod drives the second sliding rod and the transmission block to move forward, drives the moving plate to move forward, and drives the C-shaped plate to rotate upward through the moving plate under the action of the second fixed rod and the limiting block, so that the second fixed column and the guide wheel are fixed, and the effect of reducing the swing of the cable caused by wind force or vibration factors in the stringing construction is achieved. ACCURATE DRAWINGS
[0018] Figure 1 A three-dimensional view of the utility model is provided.
[0019] Figure 2A rotating plate schematic view of the wire stringing construction pulley convenient to adjust is provided in the utility model.
[0020] Figure 3 A pulley schematic view of the wire stringing construction pulley convenient to adjust is provided in the utility model.
[0021] Figure 4 A guide wheel schematic view of the wire stringing construction pulley convenient to adjust is provided in the utility model.
[0022] Figure 5 A transmission block schematic view of the wire stringing construction pulley convenient to adjust is provided in the utility model.
[0023] Legend:
[0024] 1, work stand; 2, connecting rod; 3, handle; 4, rotating plate; 5, transmission plate; 6, first fixed rod; 7, sliding plate; 8, first sliding rod; 9, first fixed column; 10, pulley; 11, ratchet wheel; 12, ratchet pawl; 13, spring; 14, lifting hook; 15, electric push rod; 16, second sliding rod; 17, fixed block; 18, limit block; 19, transmission block; 20, moving plate; 21, second fixed rod; 22, C-shaped plate; 23, second fixed column; 24, guide wheel; 25, fixed plate. Specific implementation
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0026] Reference Figures 1-3The utility model provides an embodiment: a stringing construction pulley convenient to adjust, including work frame 1, the inner wall rotationally connected with connecting rod 2 of work frame 1, the outer wall fixedly connected with rotating plate 4 of connecting rod 2, the left side outer wall fixedly connected with handle 3 of connecting rod 2, the left side outer wall rotationally connected with transmission plate 5 of rotating plate 4, the inner wall rotationally connected with first fixed link 6 of transmission plate 5, the right side outer wall fixedly connected with sliding plate 7 of first fixed link 6, the inner wall slidingly connected with first sliding rod 8 of sliding plate 7, both ends of first sliding rod 8 are fixedly connected in the inner wall of work frame 1, the right side outer wall fixedly connected with first fixed column 9 of sliding plate 7, the inner wall slidingly connected with first fixed column 9 of work frame 1, the middle part outer wall rotationally connected with pulley 10 of first fixed column 9, the upper surface fixedly connected with lifting hook 14 of work frame 1, the outer wall of connecting rod 2 is provided with locking assembly, and locking assembly is used for the locking after the rotation of connecting rod 2, locking assembly includes ratchet wheel 11, the inner wall fixedly connected with the outer wall of connecting rod 2 of ratchet wheel 11, the outer wall is engaged with pawl 12 of ratchet wheel 11, the inner wall rotationally connected with the left side outer wall of work frame 1 of pawl 12, the lower surface fixedly connected with spring 13 of pawl 12, the lower surface fixedly connected with the left side outer wall of work frame 1 of spring 13,
[0027] Specifically, the forward rotation of the connecting rod 2 is locked by the ratchet wheel 11 and the pawl 12, the outer wall of the pawl 12 is slid out of the outer wall of the ratchet wheel 11 by pressing the pawl 12 downward, and the effect of freely rotating the connecting rod 2 is achieved, the handle 3 is rotated forward, the connecting rod 2 and the rotating plate 4 are rotated forward, the transmission plate 5 is moved downward and rotated forward at the same time, the first fixed link 6 is moved downward by the transmission plate 5, the inner wall of the sliding plate 7 is slid downward on the outer wall of the first sliding rod 8, the first fixed column 9 is moved downward by the sliding plate 7, and the pulley 10 is moved downward, so that the spacing between the pulley 10 and the cable is easily adjusted.
[0028] Referring to Figure 4 And Figure 5 The lower surface of the work frame 1 is fixedly connected with the electric push rod 15, the output end of the electric push rod 15 is fixedly connected with the second sliding rod 16, and the outer wall of the second sliding rod 16 is slidingly connected with the fixed block 17; the upper surface of the fixed block 17 is fixedly connected to the lower surface of the work frame 1, the left side outer wall of the fixed block 17 is fixedly connected with the fixed plate 25, and the right side outer wall of the fixed plate 25 is fixedly connected with the limiting block 18; the front side outer wall of the second sliding rod 16 is fixedly connected with the transmission block 19, and the front side outer wall of the transmission block 19 is arranged on the rear side outer wall of the limiting block 18; the left side outer wall of the transmission block 19 is rotationally connected with the moving plate 20, and the inner wall of the moving plate 20 is rotationally connected with the C-shaped plate 22; the inner wall of the C-shaped plate 22 is rotationally connected with the second fixed link 21, and both ends of the second fixed link 21 are fixedly connected to the inner wall of the limiting block 18;
[0029] Specifically, the second sliding rod 16 is driven to move backward by the electric push rod 15, the transmission block 19 is driven to move backward, the moving plate 20 is driven to move backward, the inner wall of the C-shaped plate 22 rotates on the outer wall of the second fixed rod 21, the second fixed rod 21 is fixed on the inner wall of the limiting block 18, the C-shaped plate 22 is driven to rotate downward under the action of the second fixed rod 21 through the backward movement of the moving plate 20, the second fixed column 23 is released through the downward rotation of the C-shaped plate 22, and the effect of facilitating the replacement of the guide wheel 24 is achieved.
[0030] With reference to Figure 4 , the outer wall of the C-shaped plate 22 is provided with the second fixed column 23, and the outer wall of the second fixed column 23 is rotatably connected with the guide wheel 24;
[0031] Specifically, the guide wheel 24 is added to the trolley, the cable is accurately guided, the cable is laid according to the predetermined path, and the effect of ensuring the accuracy of the line direction is achieved.
[0032] Working principle: when using the pulley, by rotating the handle 3, drive connecting rod 2 and rotating plate 4 to rotate backward, drive transmission plate 5 to move upward and rotate backward at the same time, drive first fixed rod 6 to move upward through transmission plate 5, drive sliding plate 7 to slide upward on the outer wall of first sliding rod 8, drive first fixed column 9 to move upward through sliding plate 7, drive pulley 10 to move upward, under the action of rotating plate 4, realize the movement of pulley 10 to the middle of working frame 1, achieve the effect of adjusting the distance between pulley 10 and cable, through the effect of self locking of ratchet 11 and pawl 12 to the backward rotation of connecting rod 2, support and fix the upward movement of pulley 10, through the effect of offset limiting of first sliding rod 8 to the upward movement of sliding plate 7, through the effect of range limiting of the inner wall of working frame 1 to the upward movement of first fixed column 9, through the effect of hook 14 to the pulley, facilitate hoisting and transporting other equipment, through the effect of electric push rod 15 to drive second sliding rod 16 to move forward, drive transmission block 19 to move forward, drive moving plate 20 to move forward through transmission block 19, drive C-shaped plate 22 to rotate in second fixed rod 21 through the inner wall of C-shaped plate 22, provide upward rotation power for C-shaped plate 22 with second fixed rod 21 as the center through the forward movement of moving plate 20, fix second fixed column 23 through the upward rotation of C-shaped plate 22, achieve the effect of fixing the position of guide wheel 24, through the effect of working frame 1 to fixed block 17, fixed plate 25 and limiting block 18, the pulley not only achieves the effect of facilitating the adjustment of the distance between pulley 10, so that the pulley can adapt to cables of various diameters, improves the versatility and applicability of the pulley, but also has the effect of realizing the installation of guide wheel 24 on the pulley, reducing unnecessary friction between the cable and the frame of the pulley, causing damage to the surface of the cable, and simultaneously fixing the guide wheel 24 can be disassembled, achieving the effect of facilitating the maintenance or replacement of guide wheel 24.
[0033] Finally, it should be pointed out that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A stringing trolley facilitating adjustment, comprising a working frame (1), characterized in that: The inner wall of the work stand (1) is rotationally connected with a connecting rod (2), the outer wall of the connecting rod (2) is fixedly connected with a rotating plate (4), the left outer wall of the connecting rod (2) is fixedly connected with a handle (3), the left outer wall of the rotating plate (4) is rotationally connected with a transmission plate (5), the inner wall of the transmission plate (5) is rotationally connected with a first fixed rod (6), the right outer wall of the first fixed rod (6) is fixedly connected with a sliding plate (7), the inner wall of the sliding plate (7) is slidingly connected with a first sliding rod (8), both ends of the first sliding rod (8) are fixedly connected with the inner wall of the work stand (1), the right outer wall of the sliding plate (7) is fixedly connected with a first fixed column (9), the outer wall of the first fixed column (9) is slidingly connected with the inner wall of the work stand (1), the middle outer wall of the first fixed column (9) is rotationally connected with a pulley (10), the upper surface of the work stand (1) is fixedly connected with a lifting hook (14), the outer wall of the connecting rod (2) is provided with a locking assembly, and the locking assembly is used for locking after the connecting rod (2) rotates.
2. A stringing car according to claim 1, characterized in that: The locking assembly comprises a ratchet wheel (11), the inner wall of the ratchet wheel (11) is fixedly connected with the outer wall of the connecting rod (2), the outer wall of the ratchet wheel (11) is engagedly connected with a pawl (12), the inner wall of the pawl (12) is rotationally connected with the left outer wall of the work stand (1), the lower surface of the pawl (12) is fixedly connected with a spring (13), and the lower surface of the spring (13) is fixedly connected with the left outer wall of the work stand (1).
3. A stringing car according to claim 1, wherein: The lower surface of the work stand (1) is fixedly connected with an electric push rod (15), the output end of the electric push rod (15) is fixedly connected with a second sliding rod (16), and the outer wall of the second sliding rod (16) is slidingly connected with a fixed block (17).
4. A stringing car according to claim 3, wherein: The upper surface of the fixed block (17) is fixedly connected with the lower surface of the work stand (1), the left outer wall of the fixed block (17) is fixedly connected with a fixed plate (25), and the right outer wall of the fixed plate (25) is fixedly connected with a limiting block (18).
5. A stringing car according to claim 3, wherein: The front outer wall of the second sliding rod (16) is fixedly connected with a transmission block (19), and the front outer wall of the transmission block (19) is arranged on the rear outer wall of the limiting block (18).
6. A stringing car according to claim 5, wherein: The left outer wall of the transmission block (19) is rotationally connected with a moving plate (20), and the inner wall of the moving plate (20) is rotationally connected with a C-shaped plate (22).
7. A stringing car according to claim 6, wherein: The inner wall of the C-shaped plate (22) is rotationally connected with a second fixed rod (21), and both ends of the second fixed rod (21) are fixedly connected with the inner wall of the limiting block (18).
8. A stringing car according to claim 7, characterized in that: The outer wall of the C-shaped plate (22) is provided with a second fixed column (23), and the outer wall of the second fixed column (23) is rotationally connected with a guide wheel (24).