Crossing gear ground wire sag adjusting device
By designing a cross-speed ground wire slack adjustment device for chain adjustment components, fine-tuning rings and fine-tuning rods, the problems of high labor intensity and insufficient sag adjustment during the ground wire slack adjustment process are solved, and faster and more precise sag adjustment and more labor-saving operation are achieved.
Patent Information
- Application Number
- CN202510068519.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2025-03-25
AI Technical Summary
During the slack adjustment of the cross-speed ground wire, it is difficult for the staff to pull the wire at the upper end of the wire rod, the labor intensity is high, and the sag adjustment is not fast and accurate enough.
A cross-speed ground wire slack adjustment device is designed including a chain adjustment assembly, a fine-tuning ring, and a fine-tuning rod. The chain adjustment assembly quickly tightens the traction rope through the adjustment wheel and the chain section, while the fine-tuning ring and fine-tuning rod are used to accurately adjust the sag.
The rapid and accurate sag adjustment is achieved, which reduces labor intensity, and makes adjustments more labor-saving through the fine-tuning rod and ring of the threaded structure.
Smart Images
Figure CN119695713A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of electric power installation, and relates to a device for adjusting the sag of a ground wire across a gear. Background Art
[0002] The sag adjustment of the ground wire of the crossing stage is to adjust the sag of the conductor. During the adjustment process, the staff needs to install the pulley above the wire pole, loosen the tension rod drainage wire, install the tensioner between the conductor and the wire pole and tighten it, then install the triangular clamp head between the tensioner and the conductor, and fix it to the ground anchor with a traction rope to prevent the conductor from falling off in the subsequent process.
[0003] The crossing-stage ground wire usually has a large span. Affected by the gravity of the wire and the tension of the rope, it is quite strenuous for the workers to pull the wire at the upper end of the pole during the adjustment process, and the labor intensity is high. Summary of the invention
[0004] In view of the above problems, the present invention proposes a device for adjusting the sag of a ground wire across a gear, which well solves the problems in the prior art.
[0005] In order to achieve the above object, the technical solution adopted by the present invention is as follows:
[0006] A device for adjusting the sag of a ground wire across a gear, comprising:
[0007] A chain adjustment assembly, the chain adjustment assembly comprising an adjustment portion and two chain portions, the chain portion being slidably mounted on the adjustment portion, an adjustment wheel for adjusting the length of the chain portion being mounted in the adjustment portion, the adjustment wheel being connected to an adjustment handle, and a one-way assembly being mounted at one end of the adjustment wheel;
[0008] A fine-tuning ring, wherein both ends of the fine-tuning ring are provided with threaded holes, and the threaded holes have opposite thread rotation directions;
[0009] Fine-tuning rods, two of which are respectively threadedly connected to the threaded holes at both ends of the fine-tuning ring;
[0010] A hook is installed on one end of the chain portion away from the adjusting portion and one end of the fine-tuning rod away from the fine-tuning ring.
[0011] Optionally, the adjustment part includes a shell, the adjustment wheel is in the shape of a sprocket, the adjustment wheel is rotatably installed in the shell, the two chain parts are respectively fixedly installed on both sides of the adjustment wheel, and the chain rings of the chain parts are meshed with the adjustment wheel.
[0012] Optionally, the one-way component is a one-way bearing.
[0013] Optionally, a worm wheel is rotatably mounted on the housing, the worm wheel is mounted on the outer ring of the one-way bearing, the adjusting wheel is mounted on the inner ring of the one-way bearing, and the worm wheel is meshed with a worm.
[0014] Optionally, the shell is hinged with a chain return member, and the first end of the worm is rotatably mounted on the chain return member. The shell is provided with an arc-shaped hole at the position of the second end of the worm, and the second end of the worm is slidably mounted in the arc-shaped hole. Fixing members are arranged at both ends of the arc-shaped hole, and the fixing members are used to fix the position of the second end of the worm.
[0015] Optionally, the fixing member includes grooves arranged at both ends of the arc-shaped hole, the worm is connected to a screw rod which can be slidably installed in the arc-shaped hole, the screw rod is threadedly connected to a fixing nut, and the fixing nut is located in the groove after being tightened.
[0016] Optionally, two arc-shaped holes are provided, respectively located on both sides of the screw rod.
[0017] Optionally, a C-shaped rod is further included, and both ends of the C-shaped rod are slidably keyed to the fine-tuning rod.
[0018] Optionally, a handle ring is fixedly installed in the middle of the fine-tuning ring.
[0019] Compared with the prior art, the present invention has the following beneficial effects:
[0020] 1. The chain adjustment assembly and the fine-tuning ring and fine-tuning rod are set up to tighten the traction rope and adjust the sag, forming two adjustment modes: quick adjustment and fine-tuning, making the sag adjustment faster and more accurate. At the same time, the fine-tuning ring and fine-tuning rod are threaded structures, which makes the adjustment more labor-saving;
[0021] 2. By setting a one-way bearing, the adjusting wheel can rotate in one direction relative to the worm wheel. During the tightening process, the adjusting wheel is prevented from reversing. The worm and the worm wheel are set. On the one hand, by rotating the worm, the worm wheel can drive the adjusting wheel to rotate partially to complete fine-tuning. On the other hand, the worm and the worm wheel have a self-locking function and are connected to the adjusting wheel to prevent the adjusting wheel from reversing.
[0022] 3. By providing an articulated chain return member and an arc-shaped hole, the worm can rotate along the articulated axis of the chain return member, thereby disengaging from the worm wheel, so that the worm wheel can be reversed and the adjusting wheel can quickly reset the chain portion. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
[0024] Figure 2 is a schematic structural diagram of a chain adjustment assembly according to an embodiment of the present invention;
[0025] Figure 3 It is a structural schematic diagram of the chain adjustment component from another perspective of an embodiment of the present invention.
[0026] : Illustrations: 1. chain adjustment assembly; 11. adjustment part; 111. adjustment wheel; 112. adjustment handle; 113. housing; 12. chain part; 13. one-way assembly; 131. one-way bearing; 132. worm; 133. worm wheel; 141. chain return member; 142. arc hole; 143. fixing member; 1431. groove; 1432. screw; 1433. fixing nut; 21. fine-tuning ring; 22. fine-tuning rod; 23. C-shaped rod; 24. handle ring; 3. hook. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on 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.
[0028] See also Figure 1-Figure 3 , a slack adjustment device for a grounding wire across a gear disclosed in an embodiment of the present invention, comprises a chain adjustment component 1, the chain adjustment component 1 comprises an adjustment portion 11 and two chain portions 12, the chain portion 12 is slidably mounted on the adjustment portion 11, an adjustment wheel 111 for adjusting the length of the chain portion 12 is mounted in the adjustment portion 11, the adjustment wheel 111 is connected to an adjustment handle 112, a one-way component 13 is mounted at one end of the adjustment wheel 111, a hook 3 is mounted at one end of the chain portion 12 away from the adjustment portion 11, one of the hooks 3 is connected to a fine-tuning rod 22, the fine-tuning rod 22 is threadedly connected to a fine-tuning ring 21, threaded holes are arranged at both ends of the fine-tuning ring 21, the threaded holes have opposite threaded directions, a fine-tuning rod 22 is also threadedly connected in the other threaded hole, and hooks 3 are also arranged at both ends of the fine-tuning rod 22.
[0029] Specifically, the chain adjustment assembly 1, the fine-adjustment ring 21, and the fine-adjustment rod 22 are provided, the chain adjustment assembly 1 is connected to the ground anchor through the hook 3, and the fine-adjustment rod 22 is connected to the traction rope. During installation, the chain adjustment assembly 1 tightens the chain portion 12 to quickly tighten the traction rope. When adjusting the sag, the fine-adjustment ring 21 is adjusted to tighten or loosen the fine-adjustment rod 22, thereby adjusting the sag.
[0030] In this way, by setting the chain adjustment assembly 1 and the fine-tuning ring 21 and the fine-tuning rod 22, two adjustment mechanisms are respectively used to tighten the traction rope and adjust the sag, forming two adjustment modes of quick adjustment and fine-tuning, so that the sag adjustment is faster and more accurate. At the same time, the fine-tuning ring 21 and the fine-tuning rod 22 are partly threaded structures, which makes the adjustment more labor-saving.
[0031] In some feasible embodiments, the chain portion 12 can be selected as a chain or an iron chain, the adjusting wheel 111 is set as a corresponding sprocket, the one-way component 13 can be selected as a ratchet pawl, the fine-tuning rod 22 and the fine-tuning ring 21 can be selected as a basket screw structure, and the end of the fine-tuning rod 22 can also be set as a ring shape to facilitate the installation of the hook 3.
[0032] In some feasible embodiments, the chain portion 12 may also be configured as a steel wire rope, and the adjusting wheel 111 may be configured as an I-shaped wheel, and tightening or loosening is achieved by winding the chain portion 12 .
[0033] As a specific implementation of the cross-gear ground wire sag adjustment device provided in the application, please refer to Figure 2 The adjusting portion 11 includes a housing 113 , the adjusting wheel 111 is sprocket-shaped, the adjusting wheel 111 is rotatably mounted in the housing 113 , the two chain portions 12 are respectively fixedly mounted on both sides of the adjusting wheel 111 , and the chain rings of the chain portion 12 are meshed with the adjusting wheel 111 .
[0034] In general, by arranging the chain parts 12 on both sides of the adjusting wheel 111 , when the adjusting wheel 111 rotates, the two chain parts 12 move in opposite directions at the same time, thereby speeding up the adjustment process.
[0035] For further information, see Figure 3 The one-way component 13 is a one-way bearing 131 , a worm wheel 133 is rotatably mounted on the housing 113 , the worm wheel 133 is mounted on the outer ring of the one-way bearing 131 , the adjusting wheel 111 is mounted on the inner ring of the one-way bearing 131 , and the worm wheel 133 is meshed with a worm 132 .
[0036] It should be understood that by providing a one-way bearing 131, the adjusting wheel 111 can rotate in one direction relative to the worm wheel 133, and during the tightening process, the adjusting wheel 111 is prevented from reversing. The worm 132 and the worm wheel 133 are provided. On the one hand, by rotating the worm 132, the worm wheel 133 can drive the adjusting wheel 111 to partially rotate to complete fine-tuning. On the other hand, the worm 132 and the worm wheel 133 both have a self-locking function and are connected to the adjusting wheel 111 to prevent the adjusting wheel 111 from reversing.
[0037] In some feasible ways, the housing 113 is rectangular, the adjusting wheel 111 is rotatably installed in the housing 113, one end of the adjusting wheel 111 is fixedly connected to the central shaft, the central shaft is fixedly connected to the one-way bearing 131, the outer ring of the one-way bearing 131 is fixedly connected to the worm wheel 133, the housing 113 is rotatably installed with a worm 132 meshed with the worm wheel 133, when the adjusting wheel 111 rotates in the tightening direction, it is not affected by the worm wheel 133, when it rotates in the reverse direction, it is self-locking and restricted by the worm wheel 133 and the worm 132, when the worm 132 drives the worm wheel 133 to rotate in the tightening direction, it drives the one-way bearing 131 to rotate, when the worm 132 rotates in the reverse direction, the adjusting wheel 111 is not affected, but affected by the gravity of the cable itself, the adjusting wheel 111 is driven by the chain part 12 to reverse, and the relaxation is completed. So that the worm 132 also has the ability of fine-tuning. The one-way bearing 131 is selected as a ball spring bearing.
[0038] For further information, see Figure 3 The shell 113 is hinged with a return chain member 141, and the first end of the worm 132 is rotatably mounted on the return chain member 141. The shell 113 is provided with an arc hole 142 at the position of the second end of the worm 132, and the second end of the worm 132 is slidably mounted in the arc hole 142. Fixing members 143 are arranged at both ends of the arc hole 142, and the fixing members 143 are used to fix the position of the second end of the worm 132.
[0039] It should be understood that by providing the hinged chain return member 141 and the arc hole 142, the worm 132 can rotate along the hinge axis of the chain return member 141 and then disengage from the worm wheel 133, so that the worm wheel 133 can reverse and the adjusting wheel 111 can quickly reset the chain portion 12.
[0040] Furthermore, the fixing member 143 includes grooves 1431 arranged at both ends of the arc hole 142, the worm 132 is connected to a screw 1432 that can be slidably installed in the arc hole 142, the screw 1432 is threadedly connected to a fixing nut 1433, and the fixing nut 1433 is located in the groove 1431 after being tightened.
[0041] It should be understood that by providing the fixing nut 1433 and the groove 1431, position locking is facilitated.
[0042] Furthermore, two arc-shaped holes 142 are provided, respectively located on both sides of the screw rod 1432 .
[0043] In some feasible embodiments, the shell 113 is located at the position of the worm 132 and protrudes upward to facilitate the rotation of the worm 132. The return chain member 141 includes a circular ring member, and the worm 132 is rotatably mounted on the circular ring member. A rotating shaft is fixedly mounted on both sides of the circular ring member, and the rotating shaft is rotatably mounted on the shell 113. The arc hole 142 takes the rotating shaft as the center of the circle. A circular ring member is also mounted on one end of the arc hole 142 of the worm 132. The screw rod 1432 is mounted on both sides of the circular ring member, and the screw rod 1432 passes through the arc hole 142.
[0044] As a specific implementation of the cross-gear ground wire sag adjustment device provided in the application, please refer to Figure 1 , and also includes a C-shaped rod 23, both ends of which are slidably connected to the fine-tuning rod 22 by keys.
[0045] Combined with the specific use environment, both ends of the fine-tuning rod 22 are connected to flexible parts. During the adjustment process, it is not easy to rotate the fine-tuning ring 21. By setting the C-shaped rod 23, the C-shaped rod 23 provides a reaction force when the fine-tuning ring 21 is rotated, which facilitates rotation.
[0046] In some feasible embodiments, a handle ring 24 is fixedly installed in the middle of the fine-tuning ring 21 to further facilitate the rotation of the fine-tuning ring 21 .
[0047] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A device for adjusting the sag of a ground conductor across a gear, characterized in that: include: A chain adjustment assembly, the chain adjustment assembly comprising an adjustment portion and two chain portions, the chain portion being slidably mounted on the adjustment portion, an adjustment wheel for adjusting the length of the chain portion being mounted in the adjustment portion, the adjustment wheel being connected to an adjustment handle, and a one-way assembly being mounted at one end of the adjustment wheel; A fine-tuning ring, wherein both ends of the fine-tuning ring are provided with threaded holes, and the threaded holes have opposite thread rotation directions; Fine-tuning rods, two of which are respectively threadedly connected to the threaded holes at both ends of the fine-tuning ring; A hook is installed on one end of the chain portion away from the adjusting portion and one end of the fine-tuning rod away from the fine-tuning ring.
2. The device for adjusting the sag of a ground conductor in a spanning gear according to claim 1, characterized in that: The adjusting part comprises a shell, the adjusting wheel is in the shape of a sprocket, the adjusting wheel is rotatably installed in the shell, the two chain parts are respectively fixedly installed on both sides of the adjusting wheel, and the chain rings of the chain parts are meshed with the adjusting wheel.
3. The device for adjusting the sag of a ground conductor in a spanning gear according to claim 2, characterized in that: The one-way component is a one-way bearing.
4. The device for adjusting the sag of a ground conductor in a spanning gear according to claim 3, characterized in that: The housing is rotatably mounted with a worm wheel, the worm wheel is mounted on the outer ring of the one-way bearing, the adjusting wheel is mounted on the inner ring of the one-way bearing, and the worm wheel is meshed with a worm.
5. The device for adjusting the sag of a ground conductor in a spanning gear according to claim 4, characterized in that: The shell is hinged with a chain return member, and the first end of the worm is rotatably mounted on the chain return member. The shell is provided with an arc hole at the position of the second end of the worm, and the second end of the worm is slidably mounted in the arc hole. Fixing members are arranged at both ends of the arc hole, and the fixing members are used to fix the position of the second end of the worm.
6. The device for adjusting the sag of a ground conductor in a spanning gear according to claim 5, characterized in that: The fixing member comprises grooves arranged at both ends of the arc-shaped hole, the worm is connected with a screw rod which can be slidably installed in the arc-shaped hole, the screw rod is threadedly connected with a fixing nut, and the fixing nut is located in the groove after being tightened.
7. The device for adjusting the sag of a ground conductor in a spanning gear according to claim 6, characterized in that: The arc-shaped holes are provided with two, which are respectively located on both sides of the screw rod.
8. The device for adjusting the sag of a ground conductor in a spanning gear according to claim 1, characterized in that: It also includes a C-shaped rod, and both ends of the C-shaped rod are slidably keyed to the fine-tuning rod.
9. The device for adjusting the sag of a ground conductor in a spanning gear according to claim 8, characterized in that: A handle ring is fixedly installed in the middle of the fine-tuning ring.