A spring-loaded insulating lock rod for live working

Abstract

The present invention belongs to the technical field of live tools for distribution lines, and specifically relates to a spring-loaded live working insulating lock rod, comprising a hollow cylindrical outer insulating rod, a fixed lock hook arranged at one end of the outer insulating rod, a clamping mechanism and a locking mechanism arranged inside the outer insulating rod; the outer insulating rod is provided with an opening at one end away from the fixed lock hook, and a through hole is provided at one end of the outer insulating rod close to the fixed lock hook. The present invention can quickly disassemble and assemble the lock wire in the case of live working, and is flexible in operation, and is convenient for changing the operating position in contact with the live cable conductor, and has the characteristics of simple structure and convenient use.

Description

Technical Field

[0001] The invention belongs to the technical field of live tools for power distribution lines, and in particular relates to a spring-loaded live working insulating locking rod. Background Art

[0002] The insulating lock rod is one of the necessary tools in the live operation of 10kV distribution lines. The existing insulating lock rod is a rotating movable head insulating lock rod, which is extremely inconvenient to operate in actual work, often resulting in the lock head being stuck and the wire being loose, which is easy to cause safety hazards of accidents, and the operation intensity is high and extremely inconvenient.

[0003] A Chinese patent with publication number CN208190117U discloses an insulating locking rod for live working, comprising a fixing seat, a cavity being provided in the fixing seat, a clamping plate being provided in the cavity, a side wall of one side of the clamping plate being fixedly connected with a threaded rod, an end of the threaded rod away from the clamping plate passes through the side wall of the fixing seat and is fixedly connected with a clamping plate, a threaded plate is threadedly sleeved on the threaded rod, a side wall of the threaded plate away from the fixing seat is fixedly connected with a connecting rod, an end of the connecting rod away from the threaded plate is fixedly connected with the fixing plate, the other end of the limit rod passes through the threaded plate and is fixedly connected with a limiting block, and by providing a rotating rod and a locking block, the locking block can be clamped in the locking groove on the rotating rod as needed, thereby adjusting the length of the insulating locking rod, which can mainly solve the problem that the length of the existing insulating locking rod is difficult to adjust, but its use is relatively cumbersome, the connection structure is relatively complex, and the operation is not flexible.

[0004] Therefore, there is an urgent need for an insulating locking rod tool that is easy to operate, can reduce labor intensity, improve work efficiency, and avoid accidents caused by improper operation. Summary of the invention

[0005] The object of the present invention is to provide a spring-loaded live working insulating lock rod, which can be quickly disassembled and assembled to lock the wire under live working conditions, is flexible to operate, and is convenient for changing the operating position in contact with the live cable conductor.

[0006] In order to achieve the above-mentioned purpose, the present invention designs a spring-loaded live working insulating lock rod, comprising a hollow cylindrical outer insulating rod, a fixed lock hook arranged at one end of the outer insulating rod, a clamping mechanism and a locking mechanism arranged in the outer insulating rod; an opening is arranged at one end of the outer insulating rod away from the fixed lock hook, and a through hole is arranged at one end of the outer insulating rod close to the fixed lock hook;

[0007] The clamping mechanism includes a first support rod, a second support rod and a movable lock head, the movable lock head is arranged at one end close to the fixed lock hook, and one end of the first support rod extends out of the through hole and is fixedly connected to the movable lock head, a first stopper is arranged at one end of the first support rod close to the second support rod, a second stopper is arranged at one end of the second support rod close to the first support rod, a third stopper is arranged at one end of the second support rod away from the first support rod, and a first compression spring is arranged between the first stopper and the second stopper;

[0008] The locking mechanism includes a front stop bar and a rear stop bar which are arranged on the outer insulating rod and away from one end of the clamping mechanism, and a sliding block which is arranged between the front stop bar and the rear stop bar, and the front and rear of the sliding block are respectively in contact with the front stop bar and the rear stop bar; a plurality of adjusting teeth are arranged on the top of the sliding block, and the adjusting teeth are inclined teeth extending in the direction toward the open end of the outer insulating rod; a vertically extending support rod is arranged on the top of the rear stop bar, and a snap-in strip hinged to the support rod is arranged on the support rod, and the left end of the snap-in strip is bent downward and extends into the gap between the adjusting teeth; a protrusion extending in the vertical direction is arranged on the top of the left end of the snap-in strip, and a second compression spring is sleeved on the protrusion.

[0009] Furthermore, a first notch is provided on the side wall of the outer insulating rod near the opening end, and the right end of the clamping strip extends out of the first notch.

[0010] Furthermore, the first compression spring sleeve is provided with a clamping ring, the side wall of the outer insulating rod is provided with an adjustment long hole extending in the axial direction, one side of the adjustment long hole is provided with a plurality of adjustment bayonet holes, and the top of the clamping ring is provided with an adjustment head extending out of the outer insulating rod, and the adjustment head moves along the extension direction of the adjustment long hole.

[0011] Furthermore, the movable lock is Y-shaped.

[0012] Furthermore, an operating sleeve is provided on the outer wall of the open end of the outer insulating rod, and a second notch is provided at a position of the operating sleeve corresponding to the first notch.

[0013] Beneficial effects of the present invention:

[0014] The present invention can achieve the close proximity of the movable lock head and the fixed lock hook and clamp the live cable through the clamping mechanism arranged in the outer insulating rod, and the movable lock head and the fixed lock hook can tighten the clamped live cable through the locking mechanism and the first compression spring. The present invention can not only clamp the live cable, but also loosen the movable lock head by adjusting the locking mechanism, so as to facilitate the change of the operating position of the movable lock head and the fixed lock hook on the live cable.

[0015] The present invention effectively lowers the threshold for use by operators, embodies the characteristics of simple operation, easy separation and combination, reduced physical energy consumption, and avoidance of accidents, and has the characteristics of simple structure and convenient use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Schematic diagram of the internal structure of the spring-loaded live working insulating lock rod described in Example 1;

[0017] Figure 2 It is a top view of the spring-loaded live working insulating lock rod described in Example 1. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited thereto.

[0019] Example 1

[0020] like Figure 1-2 As shown, a spring-loaded live working insulating lock rod comprises a hollow cylindrical outer insulating rod 1, a fixed lock hook 2 arranged at one end of the outer insulating rod 1, and a clamping mechanism and a locking mechanism arranged in the outer insulating rod 1; an opening is arranged at one end of the outer insulating rod 1 away from the fixed lock hook 2, and a through hole is arranged at one end of the outer insulating rod 1 close to the fixed lock hook;

[0021] The clamping mechanism includes a first support rod 4, a second support rod 61 and a Y-shaped movable lock head 3, the movable lock head 3 is arranged at one end close to the fixed lock hook 2, and one end of the first support rod 4 extends out of the through hole and is fixedly connected to the movable lock head 3, a first stopper 41 is arranged at one end of the first support rod 4 close to the second support rod 61, a second stopper 62 is arranged at one end of the second support rod 61 close to the first support rod 4, and a third stopper 63 is arranged at one end of the second support rod 61 away from the first support rod 4, a first compression spring 51 is arranged between the first stopper 41 and the second stopper 62, and one end of the first compression spring 51 is fixedly connected to the first stopper 41 or the second stopper 62;

[0022] A clamping ring 52 is provided on the outer sleeve of the first compression spring 51, and an adjusting long hole 11 extending in the axial direction is provided on the side wall of the outer insulating rod 1. A plurality of adjusting bayonet holes are provided on one side of the adjusting long hole 11. An adjusting head 53 extending out of the outer insulating rod 1 is provided on the top of the clamping ring 52, and the adjusting head 53 moves along the extending direction of the adjusting long hole 11.

[0023] The locking mechanism includes a front stop bar 82 and a rear stop bar which are arranged in the outer insulating rod 1 and away from one end of the clamping mechanism, and a sliding block 81 which is arranged between the front stop bar 82 and the rear stop bar, and the front and rear sides of the sliding block 81 are respectively in contact with the front stop bar 82 and the rear stop bar (that is, the sliding block 81 slides along the front stop bar 82 and the rear stop bar); a plurality of adjusting teeth are arranged at the top of the sliding block 81, and the adjusting teeth are inclined teeth extending in the direction toward the open end of the outer insulating rod 1, and a vertically extending support rod 83 is arranged at the top of the rear stop bar. The support rod 83 is provided with a clamping strip 84 hinged with the support rod 83, the left end of the clamping strip 84 is bent downward and extends into the gap between the adjusting teeth, the top of the left end of the clamping strip 84 is provided with a protrusion extending in the vertical direction, and the protrusion is sleeved with a second compression spring 85, and the second compression spring 85 gives a downward force to the left end of the clamping strip 84, so that the left end of the clamping strip 84 tilts downward, and a first notch is provided at a position near the opening end of the side wall of the outer insulating rod 1, and the right end of the clamping strip 84 extends out of the first notch;

[0024] An outer wall of the open end of the outer insulating rod 1 is sleeved with an operating sleeve 7 , and a second notch is provided at a position of the operating sleeve 7 corresponding to the first notch.

[0025] When in use, hold the operating sleeve 7, lift the end of the outer insulating rod 1 with the fixed lock hook 2, hook the live cable that needs to be moved with the fixed lock hook 2, turn the adjustment head 53, and move the adjustment head 53 along the extension direction of the adjustment slot 11. At this time, the clamping ring 52 abuts the first stopper 41, thereby driving the first support rod 4 and the movable lock head 3 to move in the direction close to the fixed lock hook 2. The movable lock head 3 and the fixed lock hook 2 clamp the live cable, and then the adjustment head 53 is clamped in the adjustment port. The initial clamping of the live cable by the movable lock head 3 and the fixed lock hook 2 can move the position on the live line that needs to be repaired or connected to a place that is convenient for personnel to operate.

[0026] When it is necessary to use the fixed lock hook 2 and the movable lock head 3 to lock the operating position of the live cable, the construction worker reaches into one end of the notch of the outer insulating rod 1 with his hand, and contacts the sliding block 81, so that the sliding block 81 slides along the gap between the front stop bar 82 and the rear stop bar. At this time, due to the contact of the adjusting teeth, the left end of the clamping strip 84 rotates upward. As the sliding block 81 moves to the left, the left end of the clamping strip 84 is pressed by the second compression spring 85, so that the left end of the clamping strip 84 extends into the gap between the other two adjusting teeth again; at the same time, the sliding block 81 contacts the third stop block 63, so that the second support rod 61 moves closer to the first The support rod 4 moves in the direction, the second stop block 62 abuts against the first compression spring 51, and the first compression spring 51 abuts against the first support rod 4, so that the movable lock head 3 and the fixed lock hook 2 clamp the live cable. Since the adjusting teeth are inclined teeth extending in the direction toward the open end of the outer insulating rod 1, and the left end of the clamping strip 84 is pressed downward by the second compression spring 85 to abut the sliding block 81, the sliding block 81 can be prevented from rebounding to the right. At this time, the fixed lock hook 2 and the movable lock head 3 lock the position of the live cable that needs to be operated, so as to facilitate the construction personnel to perform construction on the position of the live cable that needs to be repaired or operated.

[0027] When the operating position of the live cable needs to be changed, just press down the right end of the clamping strip 84 to move the left end of the clamping strip 84 away from the sliding block 81. Due to the top contact of the first compression spring 51, the second support rod 61 moves to the right, and finally drives the sliding block 81 to move to the right. At this time, the gap between the movable lock head 3 and the fixed lock hook 2 becomes loose, and the construction personnel hold the operating sleeve 7 and move the top of the outer insulating rod 1, thereby changing the operating position of the outer insulating rod 1 and the live cable. When it moves to the position where it needs to be operated again, adjust the locking mechanism so that the movable lock head 3 and the fixed lock hook 2 clamp the live cable again.

[0028] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like, indicating directions and positional relationships based on the directions or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and cannot be understood as limiting the specific scope of protection of the present invention.

[0029] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0030] The above description is only a preferred embodiment of the present invention, so all equivalent changes or modifications made according to the structure, characteristics and principles described in the scope of the patent application of the present invention are included in the protection scope of the patent application of the present invention.

Claims

1. A spring-loaded live working insulating lock rod, characterized in that: It comprises a hollow cylindrical outer insulating rod, a fixed lock hook arranged at one end of the outer insulating rod, a clamping mechanism and a locking mechanism arranged inside the outer insulating rod; an opening is arranged at one end of the outer insulating rod away from the fixed lock hook, and a through hole is arranged at one end of the outer insulating rod close to the fixed lock hook; The clamping mechanism includes a first support rod, a second support rod and a movable lock head, the movable lock head is arranged at one end close to the fixed lock hook, and one end of the first support rod extends out of the through hole and is fixedly connected to the movable lock head, a first stopper is arranged at one end of the first support rod close to the second support rod, a second stopper is arranged at one end of the second support rod close to the first support rod, a third stopper is arranged at one end of the second support rod away from the first support rod, and a first compression spring is arranged between the first stopper and the second stopper; The locking mechanism comprises a front stop bar and a rear stop bar which are arranged on the outer insulating rod and away from one end of the clamping mechanism, and a sliding block which is arranged between the front stop bar and the rear stop bar, and the front and rear ends of the sliding block are respectively in contact with the front stop bar and the rear stop bar; a plurality of adjusting teeth are arranged at the top of the sliding block, and the adjusting teeth are inclined teeth whose extension direction is toward the open end of the outer insulating rod; a vertically extending support rod is arranged at the top of the rear stop bar, and a clamping strip which is hinged to the support rod is arranged on the support rod, and the left end of the clamping strip is bent downward and extends into the gap between the adjusting teeth, and a protrusion extending in the vertical direction is arranged at the top of the left end of the clamping strip, and a second compression spring is sleeved on the protrusion; A first notch is provided at a position of the side wall at the top end of the outer insulating rod near the opening end, and the right end of the clamping strip extends out of the first notch; The outer sleeve of the first compression spring is provided with a clamping ring, the side wall of the outer insulating rod is provided with an adjustment long hole extending in the axial direction, one side of the adjustment long hole is provided with a plurality of adjustment bayonet holes, and the top of the clamping ring is provided with an adjustment head extending out of the outer insulating rod, and the adjustment head moves along the extension direction of the adjustment long hole; An operating sleeve is provided on the outer wall of the open end of the outer insulating rod, and a second notch is provided at a position of the operating sleeve corresponding to the first notch.

2. The spring-loaded live working insulating lock rod according to claim 1 is characterized in that: The movable lock is Y-shaped.

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