Strain clamp

Abstract

The utility model relates to the technical field of strain clamps, and discloses a strain clamp which comprises two connecting shells and a fixing clamp, the left and right sides of the two connecting shells are fixedly connected with clamping shells, the adjacent sides of the multiple clamping shells are provided with limiting grooves, the left and right ends of the outer wall of the fixing clamp are fixedly connected with limiting columns, and the limiting columns are fixedly connected with the clamping shells. And the outer walls of the two limiting columns are slidably connected with the corresponding limiting grooves correspondingly, locking plates are rotationally connected to the front side and the rear side of the bottom connecting shell correspondingly, locking grooves are formed in the front side and the rear side of the top connecting shell correspondingly, and the tops of the two locking plates are clamped with the corresponding locking grooves correspondingly. According to the utility model, through rotation of the bolt, locking of the locking plate and the top connecting shell can be released, then the locking plate is turned over, the two connecting shells can be unlocked, meanwhile, the clamping shell is separated synchronously, replacement of the fixing clamp of the strain clamp can be completed, and the problem that the service life of the integrally designed strain clamp is shortened is avoided.

Description

Technical Field

[0001] This utility model relates to the field of tension clamp technology, and in particular to a tension clamp. Background Technology

[0002] Tension clamps are important accessories used in power lines. Their main function is to fix cables or conductors to power towers or other supporting structures, ensuring that the conductors remain taut under the influence of external factors such as wind and temperature changes, and preventing the conductors from loosening or falling off. They are used in high-voltage and ultra-high-voltage transmission lines, especially in tension sections or places where the direction changes.

[0003] A search revealed Chinese Patent Publication No. CN220874196U, which discloses a tension clamp belonging to the field of clamp technology. The clamp includes a fixing block with a retaining ring rotatably connected to one side. A movable clamping assembly is fixedly installed inside the fixing block. The movable clamping assembly includes a lead screw, a clamping block, a fixing plate, a movable plate, and a threaded rod. The lead screw is rotatably connected inside the fixing block, and the clamping block is slidably connected inside the fixing block. A fixing plate is fixedly connected inside the clamping block, and a threaded rod is threadedly connected inside the clamping block. The bottom end of the threaded rod is fixedly connected to the movable plate. The beneficial effects achieved by this invention are... By moving the wire clamp assembly, the fixed position can be adjusted according to the diameter of the wire to ensure the wire is securely fixed. Simultaneously, rotating the screw allows for displacement of the clamp block, enabling fine-tuning of the wire's fixed position based on actual usage needs, improving the clamp block's practicality and ease of use for staff. However, in actual use, the tension clamp, which bears the responsibility of conducting electricity, will gradually increase its resistance over long-term operation due to poor contact and oxidation. This is especially true under high-load power transmission, where increased resistance leads to severe heat generation, not only increasing energy loss but also causing electrical faults such as line short circuits or tripping. This reduces the service life of the integrated tension clamp design. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a tension clamp, which aims to improve the problem in the prior art where the increased resistance during high-load power transmission leads to severe heat generation, which not only increases power loss but also causes electrical faults, thus reducing the service life of the integrated tension clamp.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a tension clamp, comprising two connecting shells and a fixing clamp, wherein engaging shells are fixedly connected to the left and right sides of the two connecting shells, and limiting grooves are formed on adjacent sides of the multiple engaging shells; limiting posts are fixedly connected to the left and right ends of the outer wall of the fixing clamp; the outer walls of the two limiting posts are slidably connected to the corresponding limiting grooves; locking plates are rotatably connected to the front and rear sides of the bottom connecting shell; locking grooves are formed on the front and rear sides of the top connecting shell; the tops of the two locking plates are engaged with the corresponding locking grooves; a bolt is threadedly connected to one side of the locking plate; the end of the bolt is threadedly connected to the outside of the top connecting shell; and a locking mechanism is provided on the opposite sides of the two connecting shells.

[0006] The above technical solution allows the locking plate to be released from the top connecting shell by rotating the bolt. Then, the locking plate can be flipped over to unlock the two connecting shells, thus separating them and releasing the locking of the limiting post and the fixing clip. Conversely, the installation is completed, allowing the fixing clip to be disassembled and replaced.

[0007] As a further description of the above technical solution:

[0008] The locking mechanism includes two threaded rods, with one adjacent end of each threaded rod threadedly connected to the opposite side of the two connecting shells. Each opposite end of the two threaded rods is fixedly connected to a cap. The interior of each of the two connecting shells has a sliding groove. The outer walls of each of the two threaded rods are threadedly connected to a lifting rod. The outer walls of the two lifting rods are slidably connected to the corresponding sliding grooves. The left and right ends of one side of each lifting rod have fixed grooves, and the middle part of the fixing clamp engages with the corresponding fixing groove.

[0009] The above technical solution enables the fixing groove on one side of the lifting rod to lock and limit the fixing clamp under the rotation of the threaded rod, thereby fixing the cable according to the diameter of the cable and achieving the effect of fixing cables of different specifications.

[0010] As a further description of the above technical solution:

[0011] The locking mechanism also includes multiple rubber posts, the bottoms of which are fixedly connected to the corresponding screw caps.

[0012] The above technical solution improves the protection of the screw cap by connecting multiple rubber pillars.

[0013] As a further description of the above technical solution:

[0014] Two rubber pads are fixedly connected to each adjacent side of the two lifting rods, and each adjacent side of the plurality of rubber pads is provided with an arc-shaped groove.

[0015] The above technical solution improves the fixing effect of the clamp by connecting the rubber pad.

[0016] As a further description of the above technical solution:

[0017] The top connecting shell has connecting posts fixedly connected to the left and right sides of its bottom wall, and the bottom connecting shell has connecting grooves on the left and right sides of its top wall, with the bottom end of the connecting post engaging with the connecting groove.

[0018] The above technical solution improves the connection effect of the connecting shell by engaging the connecting post and the connecting groove.

[0019] As a further description of the above technical solution:

[0020] Protective plates are fixedly connected to the opposite sides of the two connecting shells, and grooves are provided on the front sides of the two protective plates.

[0021] The above technical solution enables the front locking plate to be protected by connecting the protective plate.

[0022] As a further description of the above technical solution:

[0023] Both bolts are fixedly connected to the middle of a rubber ring, and both rubber rings are symmetrically designed.

[0024] The above technical solution reduces the rotational damage to the locking plate caused by the bolts, thanks to the connection of the rubber ring.

[0025] As a further description of the above technical solution:

[0026] The outer walls of all the multiple locking shells are designed to be smooth, and the horizontal height of all the multiple locking shells is the same.

[0027] The above technical solution improves the compressive strength of the outer wall of the locking shell by making the outer wall smooth.

[0028] This utility model has the following beneficial effects:

[0029] 1. In this utility model, by rotating the bolt, the locking plate and the top connecting shell can be unlocked. Then, the locking plate is flipped over, so that the two connecting shells can be unlocked, thereby achieving the purpose of separating the two connecting shells. At the same time, the locking shell is separated synchronously, releasing the locking of the limiting post and the fixing clamp, so that the fixing clamp of the tension clamp can be replaced, avoiding the situation of reduced service life of the tension clamp with integrated design.

[0030] 2. In this utility model, the rotation of the threaded rod drives the rotating lifting rod inside the connecting shell, and the lifting rod rises and falls under the limit of the sliding groove, so that the fixing groove on one side of the lifting rod can lock and limit the fixing clamp, thereby fixing the cable according to the diameter of the cable, achieving the effect of adaptation, and thus improving the applicability of the structure. Attached Figure Description

[0031] Figure 1 This is a perspective view of a tension clamp proposed in this utility model;

[0032] Figure 2 This is a front view of a tension clamp proposed in this utility model;

[0033] Figure 3 This is a schematic diagram of the locking plate of a tension clamp proposed in this utility model;

[0034] Figure 4 This is a schematic diagram of the fixing clip of a tension clamp proposed in this utility model;

[0035] Figure 5 This is a schematic diagram of a locking mechanism for a tension clamp proposed in this utility model.

[0036] Legend:

[0037] 1. Connecting shell; 2. Locking mechanism; 201. Threaded rod; 202. Screw cap; 203. Rubber column; 204. Lifting rod; 205. Fixing groove; 206. Rubber pad; 207. Sliding groove; 3. Engaging shell; 4. Locking plate; 5. Locking groove; 6. Bolt; 7. Rubber ring; 8. Limiting groove; 9. Fixing clamp; 10. Limiting post; 11. Connecting post; 12. Connecting groove; 13. Protective plate; 14. Groove. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0039] Reference Figure 1 , Figure 3 and Figure 4This utility model provides an embodiment of a tension clamp, comprising two connecting shells 1 and a fixing clamp 9. Each of the two connecting shells 1 has a locking shell 3 fixedly connected to its left and right sides. Each of the adjacent sides of the locking shells 3 has a limiting groove 8, which can lock and limit the position of the limiting post 10. The outer walls of the fixing clamp 9 are fixedly connected to the left and right ends of the limiting post 10. The outer walls of the two limiting posts 10 are slidably connected to their corresponding limiting grooves 8, thereby limiting the sliding position of the fixing clamp 9. The bottom connecting shell 1 has a locking plate 4 rotatably connected to its front and rear sides. The top of the top connecting shell 1 has a locking groove 5. The top of the two locking plates 4 engages with the corresponding locking groove 5. The locking connection of the locking plates 4 allows the two connecting shells 1 to be installed or disassembled. One side of the locking plate 4 is threaded with a bolt 6, the end of which is threaded to the outside of the top connecting shell 1. The connection of the bolt 6 improves the connection effect of the connecting shells 1. The two connecting shells 1 are provided with locking mechanisms 2 on their opposite sides.

[0040] Specifically, during the disassembly of the fixing clamp 9, the bolt 6 is rotated to ensure that its end can be separated from the top connecting shell 1, thereby releasing the locking effect between the locking plate 4 and the top connecting shell 1. By flipping the locking plate 4, its top is disengaged from the locking groove 5, thus releasing the locking state between the two connecting shells 1. At this time, the connecting shell 1 can be pulled to achieve the purpose of disassembling the two connecting shells 1. The locking shell 3 will also be separated, thereby releasing the locking state of the limiting post 10 and the fixing clamp 9, enabling the replacement of the fixing clamp 9 of the tension clamp, effectively avoiding the problem of reduced service life of the tension clamp due to the integrated design.

[0041] Reference Figure 1 , Figure 2 and Figure 5 The locking mechanism 2 includes two threaded rods 201. The adjacent ends of the two threaded rods 201 are respectively threaded to the opposite sides of the two connecting shells 1. The opposite ends of the two threaded rods 201 are fixedly connected to a cap 202. By rotating the cap 202, the threaded rods 201 can be driven to rotate. The interior of the two connecting shells 1 is provided with a sliding groove 207. The outer wall of the two threaded rods 201 is threaded with a lifting rod 204. The rotation of the lifting rod 204 is restricted by the sliding groove 207, so that the lifting rod 204 can slide and rise. The outer wall of the two lifting rods 204 is slidably connected to the corresponding sliding groove 207. The left and right ends of one side of the lifting rod 204 are provided with a fixing groove 205. The fixing groove 205 can lock the fixing clip 9, thereby restricting the position of the two connecting shells 1. The middle part of the fixing clip 9 is engaged with the corresponding fixing groove 205.

[0042] Specifically, by rotating the cap 202, the threaded rod 201 can be driven to rotate, which is further transmitted to the lifting rod 204, causing it to rise and fall along the guide of the sliding groove 207. The rising and falling of the lifting rod 204 allows it to move to one side of the fixing clamp 9. As the lifting rod 204 rises and falls, the fixing groove 205 at its bottom also moves, which can lock and limit the fixing clamp 9, so that the position of the connecting shell 1 can be locked. This allows it to be adjusted according to the diameter of the cable to fix the cable, improving the applicability of the entire structure, making it able to adapt to cables of different diameters, and enhancing its flexibility and practicality.

[0043] Reference Figure 1 , Figure 4 and Figure 5 The locking mechanism 2 also includes multiple rubber pillars 203, the bottom of which is fixedly connected to the corresponding screw caps 202; two rubber pads 206 are fixedly connected to adjacent sides of the two lifting rods 204, and arc-shaped grooves are provided on adjacent sides of the multiple rubber pads 206; connecting pillars 11 are fixedly connected to the left and right sides of the bottom wall of the top connecting shell 1, and connecting grooves 12 are provided on the left and right sides of the top wall of the bottom connecting shell 1, with the bottom end of the connecting pillar 11 engaging with the connecting groove 12;

[0044] Specifically, the connection of multiple rubber pillars 203 enables the outer wall of the cap 202 to be protected, the rubber pad 206 improves the locking effect of the lifting rod 204 on the fixing clamp 9, and the engagement of the connecting pillar 11 and the connecting groove 12 improves the connection strength of the connecting shell 1.

[0045] Reference Figure 1 , Figure 2 and Figure 3 Two bolts 6 are fixedly connected to the middle of a rubber ring 7, and the two rubber rings 7 are symmetrically designed; the outer walls of multiple locking shells 3 are all smooth, and the horizontal height of multiple locking shells 3 is the same; a protective plate 13 is fixedly connected to the opposite side of the two connecting shells 1, and a groove 14 is opened on the front side of the two protective plates 13.

[0046] Specifically, the rubber ring 7 can reduce the damage of the bolt 6 to the outer wall of the locking plate 4, the smooth design of the outer wall of the multiple locking shells 3 improves its pressure resistance, and the protective plate 13 can support the cable to protect the front locking plate 4.

[0047] Working principle: When disassembling the fixing clip 9, the bolt 6 is rotated so that its end can be separated from the top connecting shell 1, thereby releasing the locking effect between the locking plate 4 and the top connecting shell 1. Then, by flipping the locking plate 4, the top of the locking plate 4 is separated from the locking groove 5, that is, the two connecting shells 1 can be unlocked. Then, the connecting shell 1 is pulled to achieve the purpose of disassembling the two connecting shells 1. At the same time, the locking shell 3 is separated, releasing the locking of the limiting post 10 and the fixing clip 9. Thus, the fixing clip 9 of the tension clamp can be replaced, avoiding the situation of reduced service life of the integrated tension clamp.

[0048] Furthermore, by rotating the cap 202, the threaded rod 201 is driven to rotate, thereby causing the lifting rod 204, whose rotation is restricted by the sliding groove 207, to rise and fall. This allows the lifting rod 204 to move to one side of the fixing clamp 9, and the fixing groove 205 at the bottom of the lifting rod 204 can lock and limit the fixing clamp 9, thus locking the position of the connecting shell 1 and achieving the effect of fixing the cable according to the diameter of the cable, thereby improving the applicability of the structure.

[0049] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A strain clamp comprising two connecting shells (1) and a fixing clamp (9), characterized in that: Both connecting shells (1) are fixedly connected to the left and right sides with locking shells (3). Each of the multiple locking shells (3) has a limiting groove (8) on an adjacent side. The outer walls of the fixing clamp (9) are fixedly connected to the left and right ends with limiting posts (10). The outer walls of the two limiting posts (10) are slidably connected to the corresponding limiting grooves (8). The bottom connecting shell (1) is rotatably connected to the front and rear sides with locking plates (4). The top connecting shell (1) is provided with locking grooves (5) on the front and rear sides. The tops of the two locking plates (4) are respectively engaged with the corresponding locking grooves (5). One side of the locking plate (4) is threaded with a bolt (6). The end of the bolt (6) is threaded to the outside of the top connecting shell (1). The two connecting shells (1) are provided with locking mechanisms (2) on opposite sides.

2. A strain clamp according to claim 1, characterised in that: The locking mechanism (2) includes two threaded rods (201). The adjacent ends of the two threaded rods (201) are respectively threaded to the opposite sides of the two connecting shells (1). The opposite ends of the two threaded rods (201) are fixedly connected to a cap (202). The interior of the two connecting shells (1) is provided with a sliding groove (207). The outer walls of the two threaded rods (201) are threaded with a lifting rod (204). The outer walls of the two lifting rods (204) are respectively slidably connected to the corresponding sliding grooves (207). The left and right ends of one side of the lifting rod (204) are provided with a fixing groove (205). The middle part of the fixing clamp (9) is engaged with the corresponding fixing groove (205).

3. A strain clamp according to claim 2, wherein: The locking mechanism (2) also includes a plurality of rubber posts (203), the bottoms of which are fixedly connected to the corresponding screw caps (202).

4. A strain clamp according to claim 2, wherein: Two rubber pads (206) are fixedly connected to each adjacent side of the two lifting rods (204), and each adjacent side of the multiple rubber pads (206) is provided with an arc-shaped groove.

5. A strain clamp according to claim 1, wherein: The bottom wall of the top connecting shell (1) is fixedly connected to the left and right sides of the bottom wall, and the top wall of the bottom connecting shell (1) is provided with connecting grooves (12) on the left and right sides. The bottom end of the connecting column (11) engages with the connecting groove (12).

6. A strain clamp according to claim 1, wherein: Protective plates (13) are fixedly connected to the opposite sides of the two connecting shells (1), and grooves (14) are provided on the front side of the two protective plates (13).

7. A strain clamp according to claim 1, wherein: A rubber ring (7) is fixedly connected to the middle of each of the two bolts (6), and the two rubber rings (7) are symmetrically designed.

8. A strain clamp according to claim 1, wherein: The outer walls of all the multiple locking shells (3) are designed to be smooth, and the horizontal height of all the multiple locking shells (3) is the same.

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