Anti-fracture strain clamp

Abstract

The utility model discloses an anti-fracture strain clamp, and relates to the strain clamp technical field, the anti-fracture strain clamp comprises a U-shaped strain clamp and an anti-fracture assembly, the left side of the inner part of the U-shaped strain clamp in the horizontal direction is inserted with a fixing bolt in a penetrating manner, the upper surface of the U-shaped strain clamp in the horizontal direction is fixedly connected with two clamping rubber blocks in a mirror image manner, and the upper surface of the U-shaped strain clamp in the horizontal direction is fixedly connected with the anti-fracture assembly. The upper surface of the anti-fracture assembly is fixedly connected with a protection assembly. According to the utility model, through the movement of the plate, the insertion block can be inserted into the socket to further extend the spring, and meanwhile, the fixing bolt is arranged in the U-shaped strain clamp and is locked by the nut, so that the U-shaped strain clamp can be prevented from being deformed and even fractured due to rotation after the bolt is fastened, and the structure ensures that the U-shaped strain clamp cannot be damaged after the U-shaped strain clamp is fixed. And the outer surface of the U-shaped strain clamp in the horizontal direction is always kept on the same straight line, so that the U-shaped strain clamp is endowed with an anti-fracture characteristic, and the service life of the U-shaped strain clamp is also remarkably prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of strain clamp, concretely relates to a strain clamp capable of preventing fracture. BACKGROUND

[0002] Strain clamp is a kind of hardware specially used in power system, and its main function is to fix conductor and can bear the tension generated by conductor in the operation process.This clamp is usually installed on strain string group or tower to ensure that the conductor can keep stable under various weather and load conditions.The design of strain clamp must be strong enough to cope with the tension generated by conductor under the action of wind force, ice load, temperature change and other external factors.In addition, strain clamp also needs to have good anticorrosion performance to prolong its service life and ensure the safe and reliable operation of power system.

[0003] The existing technology has the following problems:

[0004] In the existing strain clamp design, a fixing bolt is arranged to facilitate its fixation.However, when the bolt is rotated and tightened, further rotation may cause the strain clamp to crack, thereby causing damage problems.In addition, due to the simple structure of strain clamp, lacking of protection measures, the fixing bolt and nut are easily affected by external environment, resulting in surface rust, which further affects the fastening effect of bolt. UTILITY MODEL CONTENTS

[0005] The utility model provides a strain clamp capable of preventing fracture to solve the problems in the background art.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] A strain clamp capable of preventing fracture, comprising a U-shaped strain clamp and a fracture prevention assembly, a fixing bolt is inserted through the left side of the inside of the U-shaped strain clamp in the horizontal direction, two clamping rubber blocks are fixedly connected to the upper surface of the U-shaped strain clamp in the horizontal direction in mirror image, and a protection assembly is fixedly connected to the upper surface of the fracture prevention assembly.

[0008] The fracture prevention assembly comprises a plate, connecting plates are fixedly connected to the upper and lower sides of the front and rear sides of the plate, plug blocks are fixedly connected to the upper and lower sides of the right side of the plate, circular holes are formed in the upper surface of the plug blocks on the upper and lower sides, the left side of the U-shaped strain clamp is provided with a socket, a nut is threadedly connected to the upper surface of the fixing bolt, and the lower surface of the nut is in abutment with the upper surface of the U-shaped strain clamp in the horizontal direction.

[0009] The further improvement in the utility model technical scheme lies in that the outer surfaces of the fixing bolts are penetrated into the interiors of the upper and lower circular holes and are overlapped with each other, and the outer surfaces of the plug blocks of the upper and lower sides are respectively inserted into the interiors of the sockets.

[0010] The further improvement in the utility model technical scheme lies in that the U-shaped strain clamp is provided with a sliding groove on each of the upper and lower sides of the horizontal direction, a sliding block is slidably connected in the sliding groove, the length of the sliding block is greater than the depth of the sliding groove, a spring is fixedly connected to the left side of the sliding block, the left end of the spring is fixedly connected to the inner wall of the sliding groove, and the left side of the sliding block is overlapped with the right end of the connecting plate.

[0011] The further improvement in the utility model technical scheme lies in that two arc-shaped grooves are arranged on the opposite surfaces of the clamping rubber blocks of the upper and lower sides, an inclined surface one is arranged on the side of the left arc-shaped groove close to the right arc-shaped groove, and inclined surfaces two are arranged on the left sides of the clamping rubber blocks of the upper and lower sides.

[0012] The further improvement in the utility model technical scheme lies in that the protection assembly comprises a U-shaped block, an L-shaped protection plate is movably connected to the groove of the U-shaped block, and fixed plates are fixedly connected to the front and rear sides of the L-shaped protection plate.

[0013] The further improvement in the utility model technical scheme lies in that the length of the L-shaped protection plate is greater than the length of the fixed plates of the front and rear sides, and the lower surfaces of the L-shaped protection plate in the vertical direction and the fixed plates of the front and rear sides are overlapped with the upper surface of the U-shaped strain clamp in the horizontal direction.

[0014] The further improvement in the utility model technical scheme lies in that an L-shaped elastic plate is fixedly connected to the lower side of the middle part of the right side of the L-shaped protection plate in the vertical direction, a blocking block is fixedly connected to the lower side of the L-shaped elastic plate in the vertical direction, and the blocking block is in an isosceles triangle state.

[0015] The further improvement in the utility model technical scheme lies in that an L-shaped limiting plate is overlapped with the upper surface of the blocking block in the horizontal direction, and the lower surface of the L-shaped limiting plate in the vertical direction is fixedly connected with the upper surface of the U-shaped strain clamp in the horizontal direction.

[0016] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0017] The utility model provides a kind of anti-fracture strain clamp, adopt the mutual cooperation of socket, sliding slot, slider, spring, fixed peg, nut, anti-fracture assembly, slab, connecting plate, plug block, circular hole, by the movement of slab, plug block can be inserted into socket interior, and then stretch spring, simultaneously, by the fixed peg is placed into U-shaped strain clamp, and locking is carried out using nut, can prevent U-shaped strain clamp from deforming or even breaking due to rotation after bolt fastening, this structure ensures that the outer surface of U-shaped strain clamp in horizontal direction always remains on a straight line after being fixed, such design not only endows U-shaped strain clamp with the characteristics of anti-fracture, but also significantly improves its service life.

[0018] The utility model provides a kind of anti-fracture strain clamp, adopt the mutual cooperation of U-shaped block, L-shaped protection board, fixed plate, L-shaped elastic plate, blocking block, L-shaped limiting plate, by ingeniously setting L-shaped protection board, fixed plate and U-shaped block, an effective protective cover is built, this design is convenient for the connecting part of fixed peg or nut after being tightened to be protected, especially, the configuration of L-shaped elastic plate, blocking block and L-shaped limiting plate helps to accurately position and limit L-shaped protection board, effectively avoids the problem that protection board is blown open under the action of wind, the innovative design of this structure ensures the protection performance of the connecting part of fixed peg and nut in U-shaped strain clamp, prevents the intrusion of external rainwater, to ensure the fastening of fixed peg. ACCURACY

[0019] Figure 1 It is the structural schematic drawing of the utility model;

[0020] Figure 2 It is the U-shaped strain clamp of the utility model, the exploded structural schematic drawing of anti-fracture assembly;

[0021] Figure 3 It is the enlarged structural schematic drawing of A place of the utility model;

[0022] Figure 4 It is the clamping rubber structure schematic drawing of the utility model;

[0023] Figure 5 It is the protection assembly structure schematic drawing of the utility model.

[0024] In the drawing: 1, U-shaped strain clamp;11, socket;12, sliding slot;13, slider;14, spring;2, fixed peg;21, nut;3, anti-fracture assembly;31, slab;32, connecting plate;33, plug block;34, circular hole;4, clamping rubber block;41, arc-shaped recess;42, inclined surface one;43, inclined surface two;5, protection assembly;51, U-shaped block;52, L-shaped protection board;53, fixed plate;54, L-shaped elastic plate;55, blocking block;56, L-shaped limiting plate. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0026] As shown in Figure 1 The utility model provides a kind of anti-fracture strain clamp, including U-shaped strain clamp 1 and anti-fracture assembly 3, the horizontal direction inside left side of U-shaped strain clamp 1 is inserted with fixed bolt 2, the horizontal direction upper surface mirror image of U-shaped strain clamp 1 is fixedly connected with two clamping rubber blocks 4, and the upper surface of anti-fracture assembly 3 is fixedly connected with protection assembly 5;

[0027] First, the electric wire is placed at the opening of U-shaped strain clamp 1, then, U-shaped strain clamp 1 is moved, and the electric wire is smoothly entered between two clamping rubber blocks 4, thanks to the elasticity of clamping rubber block 4, the electric wire is stably clamped, then, by the cooperation of fixed bolt 2, anti-fracture assembly 3 and nut 21, fixation is realized, and in the process of fixation, the setting of anti-fracture assembly 3 ensures that the horizontal direction outer surface of U-shaped strain clamp 1 remains horizontal and linear state, effectively prevents the fracture phenomenon, in addition, the configuration of protection assembly 5 further protects the connecting part of fixed bolt 2 and nut 21, prevents the invasion of external rainwater to cause the rust of connecting part, so as to guarantee the fastening of fixed bolt 2 and nut 21.

[0028] As shown in Figure 2 - Figure 3 Anti-fracture assembly 3 includes plate 31, and the upper and lower sides of the front and back of plate 31 are fixedly connected with connecting plate 32, the upper and lower sides of the right side of plate 31 are fixedly connected with insertion block 33, the upper surfaces of upper and lower insertion blocks 33 are provided with upper and lower communicating circular holes 34 on the right side, the horizontal direction left side of U-shaped strain clamp 1 is provided with insertion opening 11, the outer surface of fixed bolt 2 is threadedly connected with nut 21, the lower surface of nut 21 is tightly overlapped with the horizontal direction upper surface of U-shaped strain clamp 1, the outer surface of fixed bolt 2 penetrates the inside of upper and lower circular holes 34 and is overlapped with each other, the outer surfaces of upper and lower insertion blocks 33 are respectively inserted into the inside of insertion opening 11, the horizontal direction upper and lower sides of U-shaped strain clamp 1 are provided with sliding groove 12, sliding groove 12 is slidingly connected with sliding block 13, the length of sliding block 13 is greater than the depth of sliding groove 12, the left side of sliding block 13 is fixedly connected with spring 14, the left end of spring 14 is fixedly connected with the inner wall of sliding groove 12, and the left side of sliding block 13 is overlapped with the right end of connecting plate 32;

[0029] By pushing the plate 31, the plug 33 is inserted into the socket 11, when the connecting plate 32 is moved to the appropriate position and contacts the slider 13, the slider 13 is pushed, sliding in the sliding groove 12, thereby stretching the spring 14, then, the fixing pin 2 is inserted into the U-shaped strain clamp 1 and the circular hole 34, and is tightened by rotating the nut 21, to achieve the fixing effect, preventing the U-shaped strain clamp 1 from being deformed and broken after being tightened in the horizontal direction, on the contrary, by counterclockwise rotating the nut 21 and separating the fixing pin 2, the fixing pin 2 is removed from the inside of the U-shaped strain clamp 1, the stretched spring 14 drives the slider 13 to slide under the elastic action, moving the connecting plate 32 and the plate 31, so that the plug 33 is withdrawn from the inside of the socket 11, thereby completing the disassembly of the anti-breaking assembly 3.

[0030] As shown in Figure 4 The opposite sides of the upper and lower clamping rubber blocks 4 are provided with two arc-shaped grooves 41, and the left arc-shaped groove 41 is provided with an inclined surface one 42 close to the right arc-shaped groove 41. The left side of the upper and lower clamping rubber blocks 4 is provided with an inclined surface two 43.

[0031] By providing the arc-shaped grooves 41 in the upper and lower clamping rubber blocks 4, the electric wire can be conveniently clamped, and the U-shaped strain clamp 1 is moved to make the electric wire enter its inside and contact the inclined surface two 43. When the U-shaped strain clamp 1 is moved again, the force of the electric wire will cause the upper and lower clamping rubber blocks 4 to be squeezed and deformed. When the U-shaped strain clamp 1 reaches the appropriate position, the electric wire falls within the range of action of the arc-shaped grooves 41. Then, due to the elastic restoring force of the clamping rubber blocks 4, the electric wire is firmly clamped and fixed. The design of the inclined surface one 42 and the inclined surface two 43 helps to enhance the squeezing effect of the electric wire on the clamping rubber blocks 4.

[0032] As shown in Figure 5 The protection assembly 5 includes a U-shaped block 51, the groove of the U-shaped block 51 is movably connected with an L-shaped protection plate 52, the front and rear sides of the L-shaped protection plate 52 are fixedly connected with fixing plates 53, the length of the L-shaped protection plate 52 is greater than the length of the front and rear fixing plates 53, the vertical direction lower surface of the L-shaped protection plate 52 and the lower surfaces of the front and rear fixing plates 53 are overlapped with the horizontal direction upper surface of the U-shaped strain clamp 1, the vertical direction right side middle lower part of the L-shaped protection plate 52 is fixedly connected with an L-shaped elastic plate 54, the vertical direction lower part of the L-shaped elastic plate 54 is fixedly connected with a blocking block 55, the blocking block 55 is in an isosceles triangle state, the horizontal direction upper surface of the blocking block 55 is overlapped with an L-shaped limiting plate 56, and the vertical direction lower surface of the L-shaped limiting plate 56 is fixedly connected with the horizontal direction upper surface of the U-shaped strain clamp 1.

[0033] After installation, by rotating the L-shaped protective plate 52, the fixed plate 53 can be driven to rotate, so as to protect the connecting part of the fixing bolt 2 and the nut 21, when the L-shaped protective plate 52 is rotated to the appropriate position, the inclined surface in the blocking block 55 contacts with the L-shaped limiting plate 56, so as to extrude the blocking block 55 and the L-shaped elastic plate 54, which causes the L-shaped elastic plate 54 to be deformed and bent in the vertical direction, when the L-shaped protective plate 52 is rotated again, so that the blocking block 55 is located below the horizontal lower surface of the L-shaped limiting plate 56, due to the elastic recovery effect of the bent L-shaped elastic plate 54, the horizontal upper surface of the blocking block 55 contacts with the horizontal lower surface of the L-shaped limiting plate 56, so as to realize the position limiting and fixing, if disassembly is needed, the worker can directly press the L-shaped elastic plate 54 to deform, and then drive the blocking block 55 to separate from the L-shaped limiting plate 56, and the opening is realized by rotating the L-shaped protective plate 52.

[0034] The working principle of the anti-fracture tension clamp will be described in detail below.

[0035] By pushing the plate 31, the plug 33 is inserted into the socket 11, when the connecting plate 32 moves to the appropriate position and contacts the sliding block 13, the sliding block 13 is pushed and then the fixing bolt 2 is inserted into the U-shaped tension clamp 1 and the circular hole 34, and is tightened by rotating the nut 21, the deformation and fracture of the U-shaped tension clamp 1 in the horizontal direction after being tightened is prevented by the structure of the anti-fracture assembly 3, and a protective cover is formed by the cooperation of the L-shaped protective plate 52, the U-shaped block 51 and the two fixed plates 53, so as to protect the connection of the fixing bolt 2 and the nut 21, and the cooperation of the L-shaped elastic plate 54, the blocking block 55 and the L-shaped limiting plate 56 realizes the locking or opening of the protective cover, so as to facilitate the use effect.

[0036] The above has made a detailed description of the present application, but some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit and principles of the present application are within the protection scope of the present application.

Claims

1. A break-resistant tension clamp, comprising a U-shaped tension clamp (1) and a break-resistant component (3), characterized in that: A fixing bolt (2) is inserted through the left side of the U-shaped tension clamp (1) in the horizontal direction. Two clamping rubber blocks (4) are fixedly connected to the upper surface of the U-shaped tension clamp (1) in the horizontal direction. A protective component (5) is fixedly connected to the upper surface of the anti-breakage component (3). The anti-fracture component (3) includes a plate (31), and connecting plates (32) are fixedly connected to the front and rear sides, the upper and lower sides of the plate (31). Insert blocks (33) are fixedly connected to the upper and lower sides of the right side of the plate (31). The upper and lower sides of the insert blocks (33) are provided with circular holes (34) that are connected vertically. The left side of the U-shaped tension clamp (1) has a socket (11) in the horizontal direction. The upper surface of the fixing bolt (2) is threaded with a nut (21). The lower surface of the nut (21) is tightly fitted against the upper surface of the U-shaped tension clamp (1) in the horizontal direction.

2. The anti-breakage tension clamp according to claim 1, characterized in that: The outer surface of the fixing bolt (2) penetrates the interior of the upper and lower circular holes (34) and overlaps with each other. The outer surfaces of the upper and lower inserts (33) are respectively inserted into the interior of the socket (11).

3. The anti-breakage tension clamp according to claim 1, characterized in that: The U-shaped tension clamp (1) has grooves (12) on both the upper and lower sides and the front and back sides in the horizontal direction. A slider (13) is slidably connected inside the groove (12). The length of the slider (13) is greater than the depth of the groove (12). A spring (14) is fixedly connected to the left side of the slider (13). The left end of the spring (14) is fixedly connected to the inner wall of the groove (12). The left side of the slider (13) overlaps with the right end of the connecting plate (32).

4. The anti-breakage tension clamp according to claim 1, characterized in that: Two arc-shaped grooves (41) are provided on the opposite surfaces of the upper and lower clamping rubber blocks (4). An inclined surface (42) is provided on the side of the left arc-shaped groove (41) close to the right arc-shaped groove (41), and an inclined surface (43) is provided on the left side of the upper and lower clamping rubber blocks (4).

5. A break-resistant tension clamp according to claim 1, characterized in that: The protective component (5) includes a U-shaped block (51), an L-shaped protective plate (52) is movably connected to the groove of the U-shaped block (51), and a fixing plate (53) is fixedly connected to both the front and rear sides of the L-shaped protective plate (52).

6. A break-resistant tension clamp according to claim 5, characterized in that: The length of the L-shaped protective plate (52) is greater than the length of the front and rear fixing plates (53). The lower surface of the L-shaped protective plate (52) in the vertical direction and the lower surface of the front and rear fixing plates (53) overlap with the upper surface of the U-shaped tension clamp (1) in the horizontal direction.

7. A break-resistant tension clamp according to claim 5, characterized in that: An L-shaped elastic plate (54) is fixedly connected to the lower right side of the L-shaped protective plate (52) in the vertical direction, and a blocking block (55) is fixedly connected to the lower vertical side of the L-shaped elastic plate (54). The blocking block (55) is an isosceles triangle.

8. A break-resistant tension clamp according to claim 7, characterized in that: The horizontal surface of the blocking block (55) is overlapped with an L-shaped limiting plate (56), and the vertical lowering surface of the L-shaped limiting plate (56) is fixedly connected to the horizontal surface of the U-shaped tension clamp (1).

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