Pawl type lead windproof wire clamp

Abstract

The utility model discloses a pawl type lead windproof wire clamp, which is provided with a clamping plate, a locking assembly arranged below the clamping plate, a hinge screw and an opening and closing screw, a clamping part is arranged on the clamping plate, and connecting holes formed in the clamping plate are formed in the two sides of the clamping part in the width direction; the hinge screw penetrates through one connecting hole of the first end of the first stirrup, the first end of the second stirrup and the clamping plate to hinge the first end of the first stirrup, the first end of the second stirrup and the clamping plate together, and the opening and closing screw penetrates through the second end of the first stirrup and the other connecting hole of the clamping plate to hinge the first end of the first stirrup and the clamping plate together. A pawl piece is arranged at the second end of the second stirrup and comprises a connecting plate arranged at the end of the second stirrup, an inner groove allowing the opening and closing screw to move in is formed in the connecting plate, and pawls are evenly arranged on the inner wall of the inner groove. The problems that in the prior art, the installation technology of a high-low-difference line is complex and not easy to operate, a power transmission line breaks down due to unstable positioning, and stable operation of electric power is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of distribution line building, specifically relates to a ratchet pawl type wire windproof wire clamp. BACKGROUND

[0002] In the field of high-low difference line construction, the wire fixing insulator process adopts a "front three and rear four double cross" wire winding mode. However, this process has many drawbacks in practical application.

[0003] The existing high-low difference line installation process operation is extremely complex, and the binding of each insulator takes 2-3 minutes, which not only significantly prolongs the overall construction period, but also correspondingly increases the labor cost investment. The installation process of the low-difference line also has a high degree of dependence on the skill level of the construction personnel. Due to the uneven skill proficiency of the construction personnel, the construction quality presents a large randomness. In the hands of experienced construction personnel, the binding operation can be accurately completed, but beginners often cannot achieve the desired effect due to lack of experience. In the actual construction process, there are often errors in the selection of binding wires, insufficient winding turns, and improper binding force, which can increase the probability of insulation deterioration, damage, and even wire sliding of the power transmission line, thereby increasing the probability of unstable operation of the power transmission line due to unstable positioning. SUMMARY

[0004] The utility model aims at solving the problem of complex installation process of high-low difference line in the prior art, which is not easy to operate and can cause unstable positioning of the power transmission line and affect stable operation of the power transmission line, and provides a ratchet pawl type wire windproof wire clamp.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of a ratchet pawl type wire windproof wire clamp, characterized by a clamping plate, a locking assembly arranged below the clamping plate, a hinge screw, and an opening and closing screw.

[0006] The clamping plate is provided with a clamping portion, and the two sides of the clamping portion in the width direction are provided with connecting holes formed in the clamping plate.

[0007] The locking assembly includes a first stirrup and a second stirrup that are not in the same plane, and the first stirrup and the second stirrup are both semi-circular. The hinge screw passes through the first end of the first stirrup, the first end of the second stirrup, and one of the connecting holes of the clamping plate to hinge them together, and the opening and closing screw passes through the second end of the first stirrup and the other connecting hole of the clamping plate to hinge them together.

[0008] The second end of the second stirrup is provided with a ratchet piece, which includes a connecting plate arranged at the end of the second stirrup. The connecting plate is provided with an inner recess into which the opening and closing screw can move, and the inner recess inner wall is uniformly provided with ratchets.

[0009] As a further optimization of the utility model kind of ratchet pawl formula wire windproof wire clamp: the clamping part is arc plate, both sides of clamping part width direction are equipped with butterfly wing plate, two connecting holes are respectively set up in the opposite sides of two butterfly wing plates.

[0010] As a further optimization of the utility model kind of ratchet pawl formula wire windproof wire clamp: the clamping part is arc plate, both sides of clamping part width direction are equipped with butterfly wing plate, two connecting holes are respectively set up in the opposite sides of two butterfly wing plates.

[0011] As a further optimization of the utility model kind of ratchet pawl formula wire windproof wire clamp: the clamping part is arc plate, both sides of clamping part width direction are equipped with butterfly wing plate, two connecting holes are respectively set up in the opposite sides of two butterfly wing plates.

[0012] As a further optimization of the utility model kind of ratchet pawl formula wire windproof wire clamp: the clamping part is arc plate, both sides of clamping part width direction are equipped with butterfly wing plate, two connecting holes are respectively set up in the opposite sides of two butterfly wing plates.

[0013] As a further optimization of the utility model kind of ratchet pawl formula wire windproof wire clamp: the clamping part is arc plate, both sides of clamping part width direction are equipped with butterfly wing plate, two connecting holes are respectively set up in the opposite sides of two butterfly wing plates.

[0014] As a further optimization of the utility model kind of ratchet pawl formula wire windproof wire clamp: the clamping part is arc plate, both sides of clamping part width direction are equipped with butterfly wing plate, two connecting holes are respectively set up in the opposite sides of two butterfly wing plates.

[0015] As a further optimization of the utility model kind of ratchet pawl formula wire windproof wire clamp: the clamping part is arc plate, both sides of clamping part width direction are equipped with butterfly wing plate, two connecting holes are respectively set up in the opposite sides of two butterfly wing plates.

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

[0017] The utility model discloses a hinge screw and corresponding nut are set to hinge first stirrup, second stirrup and clamping plate, to make first stirrup and second stirrup relative rotation, to supply porcelain bottle of insulator top to enter between first stirrup and second stirrup, can follow through the pawl piece including the inner recess, and the pawl on the inner recess inner wall, to hold the open -and -close screw and nut that first stirrup and clamping plate are hinged together, subsequently, the second stirrup and first stirrup combination is circular, to lock insulator top porcelain bottle, can subsequently be screwed down and hinge screw and open -and -close screw cooperation nut, to push corresponding two butterfly wing board steady downward, can then make clamping portion drive slider and insulating sheet compression transmission line, i. e. transmission line is positioned to insulator top steadily, and the process of positioning transmission line to insulator top of prior art is simplified to facilitate different staff operation uses, and the quality of positioning transmission line to insulator top is stable after operation use, and the possibility of the failure such as transmission line falling from insulator due to installation process is reduced, i. e. the probability of affecting power steady operation due to the unstable positioning of transmission line is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view structure schematic diagram of the utility model;

[0019] Figure 2 It is the front view structure schematic diagram of the utility model use state;

[0020] Figure 3 It is the cross section structure schematic diagram of the utility model use state;

[0021] Mark in drawing: 1, clamping plate;101, butterfly wing board;102, connecting hole;103, sliding slot;104, clamping portion;2, hinge screw;3, locking assembly;301, first stirrup;302, second stirrup;303, pawl piece;3031, connecting plate;3032, inner recess;3033, pawl;3034, through -hole;3035, closed pin;4, insulating piece;401, insulating sheet;402, slider;5, open -and -close screw;6, nut;7, insulator;8, transmission line. DETAILED DESCRIPTION

[0022] In order to better understand the utility model, the content of the utility model is further illustrated below in conjunction with examples, but the content of the utility model is not limited to the following examples.

[0023] As Figure 1As shown, a kind of pawl wire windproof clamp, it has the clamping plate 1 for pressing the power transmission line 8 to insulator 7, the locking assembly 3 is arranged below the clamping plate 1, hinged screw 2 and open-close screw 5 are arranged.The clamping plate 1 is provided with clamping part 104, the both sides of the width direction of clamping part 104 are provided with connecting hole 102 opened in clamping plate 1, specifically, clamping part 104 is arc-shaped plate, the both sides of clamping part 104 are provided with butterfly plate 101 with wing tail connecting hole 102, clamping plate 1 is integrally made of aluminum alloy material.Locking assembly 3 includes first hoop 301 and second hoop 302 arranged in different planes, first hoop 301 and second hoop 302 are all semicircular, hinged screw 2 passes through the first end of first hoop 301 and second hoop 302 and one connecting hole 102 opened in clamping plate 1 to be hinged together, specifically, hinged screw 2 passes through the first end of first hoop 301, the first end of second hoop 302 and corresponding connecting hole 102 and is screwed with corresponding nut 6, open-close screw 5 passes through the second end of first hoop 301 and another connecting hole 102 of clamping plate 1 to be hinged together, specifically, open-close screw 5 passes through the second end of first hoop 301 and corresponding connecting hole 102 and is screwed with another nut 6, so that the second end of second hoop 302 can be moved to make the porcelain bottle at the top of insulator 7 enter first hoop 301 and second hoop 302, the second end of second hoop 302 is provided with pawl piece 303, such as Figure 2 As shown, pawl piece 303 can grab open-close screw 5 to cooperate with first hoop 301 to form a circular ring, so as to limit open-close screw 5 and hinged screw 2 to insulator 7, pawl piece 303 includes connecting plate 3031 fixedly connected with the end of second hoop 302, inner groove 3032 is opened in connecting plate 3031, specifically, inner groove 3032 is U-shaped, a group of pawls 3033 are arranged on the opposite inner walls of inner groove 3032, two groups of pawls 3033 are inclined towards second hoop 302 and are symmetrically arranged, the pressure angle of pawl 3033 can realize dynamic tension compensation and self-locking, to avoid artificial secondary fastening, inner groove 3032 can guide open-close screw 5 into, then the pawls 3033 in inner groove 3032 press the outer surface of open-close screw 5, to prevent open-close screw 5 from being pulled out of inner groove 3032, then the staff can adjust the tightness of first hoop 301 and second hoop 302, to facilitate the staff to clamp insulator 7 by first hoop 301 and second hoop 302, then the staff can tighten nut 6 to press clamping plate 1 downward, so that clamping plate 1 presses power transmission line 8 to insulator 7, to quickly, stably and high-quality complete the installation and positioning of power transmission line 8.

[0024] The cross section of the first hoop 301 and the second hoop 302 is circular arc shape with large upper inner diameter and small lower inner diameter, the curvature of the first hoop 301 and the second hoop 302 is approximately the same as the curvature of the top of the insulator 7, and the inner wall of the first hoop 301 and the second hoop 302 is provided with anti-skid insulation pad, so that the first hoop 301 and the second hoop 302 are stably connected with the insulator 7, and the probability of the first hoop 301 and the second hoop 302 colliding with the porcelain bottle is reduced, thereby the first hoop 301 and the second hoop 302 can stably press the insulator 7 and stably connect the insulator 7.

[0025] The end of the connecting plate 3031 away from the second hoop 302 is provided with a through hole 3034 vertically penetrating the inner recess 3032, and a closed pin 3035 is matched in the through hole 3034, after the opening and closing screw 5 is pressed into the inner recess 3032 matched with the ratchet claw 3033, the staff can insert the closed pin 3035 into the through hole 3034 to lock, so as to reduce the probability that the ratchet claw 3033 is worn or fatigued and separated from the inner recess 3032 of the opening and closing screw 5, that is, the probability that the clamping plate 1 is separated from the insulator 7 to cause the power transmission line 8 to be separated from the insulator 7 is reduced. As shown in Figure 3 The clamping part 104 is provided below the insulating piece 4, the insulating piece 4 includes a sliding block 402 connected with the clamping part 104, and the lower side of the sliding block 402 is fixedly provided with an insulating sheet 401, the insulating sheet 401 can assist the clamping part 104 to press the power transmission line 8, so as to maintain the stability of the power transmission line 8 positioned on the insulator 7, and can also protect the power transmission line 8 to a certain extent. Specifically, the insulating sheet 401 is circular arc shape, and the radius of the insulating sheet 401 is greater than the radius of the matched power transmission line 8, and the specification is 5mm-20mm, and anti-skid protrusions are arranged on the inner wall of the insulating sheet 401, so as to achieve the purpose of stably positioning the power transmission line 8. The inner wall of the clamping part 104 is provided with a sliding groove 103, the length of the sliding groove 103 is greater than the length of the sliding block 402, and the sliding block 402 is slidingly arranged in the sliding groove 103, so that when the tension on one side of the power transmission line 8 in the length direction is too large, the sliding block 402 and the insulating sheet 401 slide in the sliding groove 103 in the corresponding direction, thereby dispersing the tension of the power transmission line 8 to a certain extent, and achieving the protection effect on the power transmission line 8.

[0026] As shown in Figure 1 , Figure 2 and Figure 3As shown, in specific use, first, the nuts 6 on the open-close screw 5 and the hinge screw 2 are unloaded, then the first hoop 301, the second hoop 302 and the clamping plate 1 are in a relaxed state, then the closing pin 3035 is pulled out of the through hole 3034, then the second hoop 302 is rotated and the inner recess 3032 is expanded, so that the pawl 3033 arranged on the inner recess 3032 is connected with the open-close screw 5, then the open-close screw 5 is led out of the inner recess 3032, then the power transmission line 8 is placed in the porcelain bottle top recess of the insulator 7, then the first hoop 301 is sleeved on the porcelain bottle at the top of the insulator 7, then the second hoop 302 is rotated, so that the open-close screw 5 is led into the inner recess 3032, and the pawl 3033 arranged in the inner recess 3032 is matched to realize locking and positioning, then the closing pin 3035 is reset to close the inner recess 3032, so as to cooperate with the pawl 3033 to make the connecting plate 3031 provided with the inner recess 3032 and the open-close screw 5 be stably connected, and the inner recess 3032 and the open-close screw 5 are kept stable in connection as a safety measure, then the two nuts 6 are tightened, so that the two butterfly wings 101 drive the clamping part 104 to move vertically downward under the action of the open-close screw 5 and the hinge screw 2, then the sliding block 402 drives the insulating sheet 401 to press downward, so that the power transmission line 8 is pressed tightly on the porcelain bottle of the insulator 7 under the action of the downward pressure.

[0027] The specific embodiments of the utility model are described above. It should be understood that the utility model is not limited to the specific embodiments described above, and various modifications or changes can be made by those skilled in the art within the scope of the claims, which does not affect the essential content of the utility model.

Claims

1. A ratchet wire chock, characterized by: It has a clamping plate (1), a locking assembly (3) arranged below the clamping plate (1), a hinge screw (2) and an opening and closing screw (5); The clamping plate (1) is provided with a clamping portion (104), and the two sides of the clamping portion (104) in the width direction are provided with connecting holes (102) formed in the clamping plate (1); The locking assembly (3) includes a first stirrup (301) and a second stirrup (302) not located in the same plane, both of which are semicircular, the hinge screw (2) passes through the first end of the first stirrup (301), the first end of the second stirrup (302) and one of the connecting holes (102) of the clamping plate (1) to hinge them together, and the opening and closing screw (5) passes through the second end of the first stirrup (301) and the other connecting hole (102) of the clamping plate (1) to hinge them together; The second end of the second stirrup (302) is provided with a pawl piece (303), which includes a connecting plate (3031) arranged at the end of the second stirrup (302), and an inner recess (3032) is formed in the connecting plate (3031), which can allow the opening and closing screw (5) to move in, and the inner wall of the inner recess (3032) is uniformly provided with pawls (3033).

2. A pawl wire chock as claimed in claim 1, characterized in that: The clamping portion (104) is an arc-shaped plate, and the two sides of the clamping portion (104) in the width direction are provided with butterfly plates (101), and the two connecting holes (102) are formed at the opposite ends of the two butterfly plates (101).

3. The pawl-type wire chock of claim 1, wherein: The inner wall of the clamping portion (104) is provided with a sliding groove (103), and the sliding groove (103) is slidably provided with a sliding block (402) included in an insulating piece (4), and the lower side of the sliding block (402) is fixedly provided with an insulating sheet (401).

4. A pawl wire chock as claimed in claim 3, wherein: The insulating sheet (401) is circular arc-shaped, and the radius of the insulating sheet (401) is greater than the radius of the adapted power transmission line (8).

5. A pawl wire chock as defined in claim 3, wherein: The inner wall of the insulating sheet (401) is uniformly provided with anti-skid protrusions.

6. A pawl wire chock as defined in claim 1, wherein: The cross sections of the first stirrup (301) and the second stirrup (302) are circular arc-shaped, and the upper inside diameter of the first stirrup (301) and the second stirrup (302) is larger than the lower inside diameter.

7. A pawl wire chock as defined in claim 1, wherein: The tail of the connecting plate (3031) away from the second stirrup (302) is provided with a through hole (3034), the through hole (3034) vertically penetrates the inner recess (3032), and the through hole (3034) can insert a closing pin (3035) to close the inner recess (3032).

8. A pawl wire chock as defined in claim 1, wherein: The inner recess (3032) is U-shaped, and a plurality of pawls (3033) are symmetrically arranged on the opposite sides of the inner recess (3032), and the pawls (3033) are inclined towards the second stirrup (302).

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