A power string tensioning jaw wire gripper

Abstract

The utility model discloses a kind of electric power stringing pull tight jaw cable clamp, belong to electric power overhead line construction technical field, including upper jaw plate, the side of upper jaw plate is rotatably installed with pivot, pivot side is equipped with bottom plate, the other side of pivot is evenly provided with tooth block one, the side of upper jaw plate close to bottom plate and located the upper position fixed with fixed sleeve of pivot, the inside thread of fixed sleeve is installed with lead screw, the bottom end of lead screw is rotatably installed with limit plate, the side close to tooth block one of limit plate is evenly provided with tooth block two, the top of bottom plate is hingedly installed with lower jaw plate, the bottom of bottom plate is hingedly installed with pull rod, the bottom of upper jaw plate one end is obliquely fixed with supporting plate.The utility model can be after clamping cable Secondary limiting of the rotation angle of bottom plate, avoid causing the whole sliding adjustment position of upper jaw plate to appear jam or reverse rotation leads to loose and other problems, simultaneously play certain overall stable effect, to improve the stability of electric power stringing pull tight jaw cable clamp.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wire clamp, in particular to a power line stringing tensioning jaw wire clamp, belong to power overhead line construction technical field. BACKGROUND

[0002] As a kind of power overhead line construction and maintenance tool, wire clamp is widely used in power industry for a long time, its function, specification, model are not identical, but its most basic function is, used for the adjustment sag of overhead power line, fixed tensioning. Since the purpose of tightening and tensioning conductor is realized, this requires that the jaw of wire clamp is tightly clamped to conductor.

[0003] In the prior art, the application number for 201910280363.8 discloses a kind of electric power line stringing tensioning adjustable jaw wire clamp, is designed to realize the occlusion of cable by connecting rod mechanism combined with sliding groove, when the greater the tension, the greater the occlusion, ensure that cable is continuously clamped and pulled during pulling;Meanwhile, the lower jaw plate of the wire clamp jaw of the application is movably embedded with rack, further clamps cable, reduces the wire accident, improves construction safety;It can also be conveniently adjusted according to the caliber of the jaw of different types of cable configuration, to adapt to various construction requirements;The electric power line stringing tensioning adjustable jaw wire clamp of the application has reasonable overall structure design, small size, convenient to use, and is suitable for construction requirements under various conditions.

[0004] Similar to the above application, there are still some deficiencies:

[0005] The electric power line stringing tensioning adjustable jaw wire clamp adopts connecting rod mechanism combined with sliding groove design to realize occlusion of cable, although it has certain clamping effect, but during high-altitude installation operation, the position of wire clamp needs to be moved, the upper and lower jaw openings need to be not so close to the outside of cable, and the position of wire clamp needs to be moved back and forth, which will drive the upper and lower jaw openings to clamp when pulling the traction rod, causing the problem of jamming during movement, and the problem of difficulty in moving, and after clamping, if the traction connecting rod is touched in reverse, the upper and lower jaw openings will be loosened, causing the wire clamp to fall off, reducing the installation efficiency;

[0006] Therefore, a kind of electric power line stringing tensioning jaw wire clamp is designed to optimize the above problems. UTILITY MODEL CONTENTS

[0007] The main purpose of the utility model is to provide a kind of electric power line stringing tensioning jaw wire clamp, to solve the problems raised in the above background.

[0008] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0009] The utility model provides a power stringing tensioning jaw cable clamp, including the upper jaw plate, the one side of upper jaw plate rotatory installation has the pivot, the one side of pivot is equipped with the bottom plate, the other side of pivot is uniformly provided with the tooth block no.

[0010] Preferably: the limiting assembly includes a fixed block and a clamping groove, the fixed block is located on the inner top wall of the upper jaw plate and the top of the lower jaw plate, respectively, a clamping groove is formed in the middle position of the fixed block, an arc-shaped plate is arranged in the clamping groove, springs are arranged on both sides of the arc-shaped plate, and the other end of the spring is fixedly connected with the inner side wall of the clamping groove.

[0011] Preferably: the clamping sleeve includes a protective block and a through hole, the protective block is symmetrically installed inside the clamping sleeve, and a through hole is formed in the middle position of the protective block.

[0012] Preferably: the arc-shaped plate is provided with an anti-slip layer inside, and the anti-slip layer is provided with anti-slip lines.

[0013] Preferably: the limiting plate is a semicircular arc plate, and the outer side of the tooth block no.

[0014] Preferably: the end of the lead screw away from the limiting plate is uniformly fixed with a rotating block, and the rotating block is an anti-slip rotating block.

[0015] Preferably: the side of the protective block close to each other is an arc surface, and the protective block is a spring block.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1. The utility model cooperates with the upper jaw plate, the bottom plate, the lower jaw plate, the supporting plate, the pivot, the tooth block no. 1, the fixed sleeve, the lead screw, the limiting plate, the tooth block no. 2 and the tensioning rod to position the rotation angle of the bottom plate again after clamping the cable, avoid the problems of jamming or reverse rotation caused by the sliding adjustment position of the upper jaw plate, and play a certain overall stabilizing role, thereby improving the stability of the power stringing tensioning jaw cable clamp.

[0018] 2. The utility model cooperates with the fixed block, the clamping groove, the arc-shaped plate and the spring to position the cables with different diameters under the action of the spring and the spring force, and the arc-shaped plate and the spring increase the clamping area of the lower jaw plate and the upper jaw plate on the cable, thereby improving the limiting force.

[0019] 3. The utility model discloses a cooperation of wear, protection block and through -hole, the outside will be contacted with the inside of wear when pulling the pull rod, under the elastic force of protection block and through -hole, the outside of pull rod and the inside of wear are protected, reduce the friction of pull rod and wear in the operation process to improve the overall protection. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the front view sectional view of the utility model;

[0021] Figure 2 It is the front view sectional view of the utility model; Figure 1 It is the structure enlarged view of A place in the middle;

[0022] Figure 3 It is the connection schematic drawing of limit pad and gear block two of the utility model;

[0023] Figure 4 It is the limit component schematic drawing of the utility model.

[0024] In the drawing: 1, maxillary plate;2, bottom plate;3, mandibular plate;

[0025] 4, limit component;401, fixed block;402, clamping groove;403, arc plate;404, spring;

[0026] 5, support plate;

[0027] 6, wear;601, protection block;602, through -hole;

[0028] 7, rotating shaft;8, gear block one;9, fixed sleeve;10, screw;11, limit pad;12, gear block two;13, pull rod. DETAILED DESCRIPTION

[0029] To make the purpose, technical scheme and advantage of the utility model embodiment clearer, the following will combine the drawing, and the technical scheme in the utility model embodiment is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment.

[0030] Therefore, the following detailed description of the embodiment of the utility model is not intended to limit the scope of the claimed utility model, but only represents some embodiments of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0031] It should be noted that the embodiments and the features and technical solutions in the embodiments in the utility model can be combined with each other without conflict.

[0032] It should be noted that like reference numerals and letters refer to like items in the several views, and once an item is defined in one view, it is not necessary to further define and explain it in the subsequent views.

[0033] In the description of the utility model, it needs to explain, the term "upper", "lower" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, or is the orientation or position relation of the product of the invention when using usual, or is the orientation or position relation that the person skilled in the art usually understands, the terms are only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, is constructed and operated with a particular orientation, therefore can not be understood as the restriction of the utility model.In addition, the terms "first", "second" and so on are only used for distinguishing description, and can not be understood as indicating or implying relative importance.

[0034] Embodiment 1

[0035] As Figure 1 、 Figure 2 、 Figure 3 And Figure 4 The utility model discloses a power stringing tensioning jaw wire clamp, including the upper jaw plate 1, one side of the upper jaw plate 1 is rotatably installed with the pivot 7, the pivot 7 one side is equipped with the bottom plate 2, the other side of pivot 7 evenly is provided with the tooth block one 8, the upper jaw plate 1 is fixed with the fixed sleeve 9 in the upper jaw plate 1 close to the bottom plate 2 one side and be located the position above pivot 7, the inside screw thread of fixed sleeve 9 is installed with the lead screw 10, the bottom end of lead screw 10 is rotatably installed with the limit plate 11, the limit plate 11 close to tooth block one 8 one side evenly is provided with the tooth block two 12, the top of bottom plate 2 is hingedly installed with the lower jaw plate 3, the bottom of bottom plate 2 is hingedly installed with the pull rod 13, the bottom of the upper jaw plate 1 one end is obliquely fixed with the supporting plate 5, the supporting plate 5 bottom end one side is installed with the through sleeve 6, and the limit assembly 4 is arranged between the upper jaw plate 1 and the lower jaw plate 3.

[0036] The upper jaw plate 1 is placed on the cable, so that the upper jaw plate 1 and the lower jaw plate 3 are located on the upper and lower sides of the cable, in the initial state that the lower jaw plate 3 is not clamped with the bottom of the cable, the position of the upper jaw plate 1 can be directly moved by screwing the lead screw 10 or not screwing the lead screw 10, if the lead screw 10 is screwed, the lead screw 10 drives the limit plate 11 and the tooth block two 12 to move to the pivot 7 direction, until the tooth block two 12 is clamped between the tooth block one 8, the rotation angle of the pivot 7 is limited, then the position of the upper jaw plate 1 on the cable is slid, when it is moved to the appropriate position, the lead screw 10 is screwed in the reverse direction to make the tooth block two 12 disengage between the tooth block one 8, the pull rod 13 is pulled again, the bottom plate 2 and the lower jaw plate 3 are rotatably moved and clamped on the bottom side of the cable, then the lead screw 10 is screwed again to the pivot 7 direction, drives the limit plate 11 and the tooth block two 12 to stagger the tooth block one 8, plays the role of limiting and fixing.

[0037] Embodiment 2

[0038] The scheme in embodiment 1 is further introduced in combination with a specific working mode, and details are described as follows:

[0039] As shown in Figure 1 and Figure 4 , as a preferred embodiment, on the basis of the above mode, further, the limiting assembly 4 comprises a fixed block 401 and a clamping groove 402, the fixed block 401 is located at the inner top wall of the upper jaw plate 1 and the top of the lower jaw plate 3 respectively, the middle position of the fixed block 401 is provided with the clamping groove 402, the inside of the clamping groove 402 is provided with an arc-shaped plate 403, the two sides of the arc-shaped plate 403 are provided with springs 404, and the other end of the spring 404 is fixedly connected with the inner side wall of the clamping groove 402.

[0040] The cable is clamped between the upper jaw plate 1 and the lower jaw plate 3, and then the pulling rod 13 is pulled to link the lower jaw plate 3 to the bottom of the cable, so that the upper jaw plate 1 and the lower jaw plate 3 clamp the cable, so that the outer side of the cable is attached between the arc-shaped plates 403, and under the elastic force of the springs 404, the arc-shaped plates 403 are more attached to the outer side of the cable, and the contact area with the cable is larger, and the clamping stability is better.

[0041] As shown in Figure 1 , as a preferred embodiment, on the basis of the above mode, further, the through sleeve 6 comprises a protection block 601 and a through hole 602, the protection block 601 is symmetrically installed inside the through sleeve 6, and the middle position of the protection block 601 is provided with the through hole 602.

[0042] When the pulling rod 13 is pulled, the outside will contact the inside of the through sleeve 6, and under the elastic buffering action of the protection block 601 and the through hole 602, the outside of the pulling rod 13 and the inside of the through sleeve 6 are protected, and the friction or impact loss of the pulling rod 13 and the through sleeve 6 in the operation process is reduced.

[0043] As shown in Figure 1 and Figure 4 , as a preferred embodiment, on the basis of the above mode, further, the inside of the arc-shaped plate 403 is provided with an anti-skid layer, and the anti-skid layer is provided with anti-skid lines.

[0044] The friction between the arc-shaped plate 403 and the outer side of the cable is increased by the anti-skid layer and the anti-skid lines, and the limiting effect is improved.

[0045] As shown in Figure 2 and Figure 3 , as a preferred embodiment, on the basis of the above mode, further, the limiting plate 11 is provided as a semicircular arc plate, and the outside of the tooth block two 12 is provided with an anti-skid strip.

[0046] The limiting plate 11 arranged in an arc shape is better matched with the shape of the rotating shaft 7, and the anti-skid strip increases the anti-skid force on the outer side of the second tooth block 12 to improve the friction between the first tooth block 8 and the second tooth block 12.

[0047] As shown in Figure 2 and Figure 3 , as a preferred embodiment, on the basis of the above mode, further, the end of the lead screw 10 away from the limiting plate 11 is uniformly fixed with a rotating block, and the rotating block is an anti-skid rotating block.

[0048] The arrangement of the anti-skid rotating block facilitates the rotation and adjustment of the lead screw 10 by the staff.

[0049] As shown in Figure 1 , as a preferred embodiment, on the basis of the above mode, further, the side of the protection block 601 close to each other is arranged as an arc surface, and the protection block 601 is a spring block.

[0050] The arc surface and the spring block 601 of the elastic material improve the buffering effect and reduce the friction loss.

[0051] Example 3

[0052] The schemes in Examples 1 and 2 will be further introduced in combination with specific working modes, and details are described below:

[0053] Place the upper jaw plate 1 on the cable, so that the upper jaw plate 1 and the lower jaw plate 3 are located on the upper and lower sides of the cable, in the initial state that the lower jaw plate 3 is not clamped with the bottom of the cable, twist the lead screw 10, the lead screw 10 drives the limiting plate 11 and the second tooth block 12 to move to the direction of the rotating shaft 7, until the second tooth block 12 is clamped between the first tooth blocks 8, and the rotating angle of the rotating shaft 7 is limited, then slide the position of the upper jaw plate 1 on the cable, when it moves to the appropriate position, twist the lead screw 10 in the reverse direction to make the second tooth block 12 disengage from between the first tooth blocks 8, pull the pull rod 13 again, when pulling the pull rod 13, the outer side will contact the inside of the through sleeve 6, under the elastic force of the protection block 601 and the through hole 602, the outer side of the pull rod 13 and the inside of the through sleeve 6 are protected, reducing the friction of the pull rod 13 and the through sleeve 6 during operation, at the same time, the pull rod 13 drives the lower jaw plate 3 to rotate and move and clamp on the bottom side of the cable, then twist the lead screw 10 to the direction of the rotating shaft 7 again, drive the limiting plate 11 and the second tooth block 12 to stagger the first tooth block 8, play a secondary limiting and fixing role, clamp the cable between the upper jaw plate 1 and the lower jaw plate 3, then pull the pull rod 13 to drive the lower jaw plate 3 to adhere to the bottom of the cable, promote the upper jaw plate 1 and the lower jaw plate 3 to clamp the cable, so that the outer side of the cable adheres between the arc-shaped plates 403, and under the elastic force of the spring 404, the arc-shaped plates 403 adhere more to the outer side of the cable.

[0054] The above merely illustrates the further embodiments of the present application, but the protection scope of the present application is not limited thereto, any skilled in the art can make equivalent substitutions or changes according to the technical scheme and concept of the present application within the disclosed scope, which all belong to the protection scope of the present application.

Claims

1. A power stringing tensioning jaw line gripper comprising an upper jaw plate (1) characterised in that: One side of the upper plate (1) is rotatably installed with a rotating shaft (7), one side of the rotating shaft (7) is sleeved with a bottom plate (2), the other side of the rotating shaft (7) is uniformly provided with a tooth block one (8), the side of the upper plate (1) close to the bottom plate (2) and located above the rotating shaft (7) is fixed with a fixed sleeve (9), the inside of the fixed sleeve (9) is screw mounted with a lead screw (10), the bottom end of the lead screw (10) is rotatably installed with a limiting plate (11), the side of the limiting plate (11) close to the tooth block one (8) is uniformly provided with a tooth block two (12), the top end of the bottom plate (2) is hingedly installed with a lower plate (3), the bottom end of the bottom plate (2) is hingedly installed with a pull rod (13), the bottom of one end of the upper plate (1) is obliquely fixed with a supporting plate (5), one side of the bottom end of the supporting plate (5) is installed with a penetrating sleeve (6), the upper plate (1) and the lower plate (3) are provided with a limiting assembly (4).

2. A power string tensioning jaw line gripper according to claim 1, characterized in that: The limiting assembly (4) comprises a fixed block (401) and a clamping groove (402), the fixed block (401) is located at the inner top wall of the upper plate (1) and the top of the lower plate (3) respectively, the middle position of the fixed block (401) is provided with a clamping groove (402), the inside of the clamping groove (402) is provided with an arc plate (403), the two sides of the arc plate (403) are provided with springs (404), and the other end of the spring (404) is fixedly connected with the inner side wall of the clamping groove (402).

3. A power string tensioning jaw line gripper according to claim 1, wherein: The penetrating sleeve (6) comprises a protection block (601) and a through hole (602), the protection block (601) is symmetrically installed inside the penetrating sleeve (6), and the middle position of the protection block (601) is provided with a through hole (602).

4. A power string tensioning jaw line gripper according to claim 2, characterized in that: The inside of the arc plate (403) is provided with an anti-skid layer, and the anti-skid layer is provided with anti-skid lines.

5. A power string tensioning jaw line gripper according to claim 1, wherein: The limiting plate (11) is provided as a semicircular arc plate, and the outer side of the tooth block two (12) is provided with an anti-skid strip.

6. A power string tensioning jaw line gripper according to claim 1, wherein: The end of the lead screw (10) away from the limiting plate (11) is uniformly fixed with a rotating block, and the rotating block is an anti-skid rotating block.

7. A power string tensioning jaw line gripper as defined in claim 3, wherein: The side of the protection block (601) close to each other is provided as an arc surface, and the protection block (601) is a spring block.

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