CN216362222U - Universal closed card - Google Patents

Abstract

The utility model provides a universal closed card which comprises an upper card, a lower card, a buckle and a worm and gear assembly, wherein the upper card is connected with the lower card through a wire grip; the buckles are annularly distributed on the inner wall of the through hole; the worm and gear assembly is used for driving the buckle to move along the radial direction. According to the closed clamp provided by the utility model, the buckle can move along the radial direction by rotating the worm, so that the closed clamp is suitable for insulator steel caps with different sizes, operators basically do not need to consider whether the size of the clamp is matched with that of the insulator steel cap, and a plurality of sets of closed clamps do not need to be prepared.

Description

Universal closed card

Technical Field

The utility model relates to the technical field of power transmission line construction equipment, in particular to a universal closed type clamp.

Background

The closed clamp is a metal clamp used when replacing a single glass or porcelain insulator in the maintenance of the power transmission line, and during use, the closed clamp is only required to be clamped on two insulator steel caps before and after the insulator is to be replaced, and the load on the insulator to be replaced is transferred to the closed clamp by tightening the screw rod, so that the insulator can be replaced. Because insulator steel caps with different tonnages produced by insulator manufacturers are different in size, insulator steel caps with the same model and different batches are different, the existing closed clamp can only aim at the insulator steel cap with one size and cannot be universal, a plurality of sets of clamps need to be prepared before each overhaul, and the burden of workers is increased.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. To this end, the utility model proposes a universal closed card comprising:

the upper clamp and the lower clamp are connected through a wire tightener, and through holes are formed in the middle parts of the upper clamp and the lower clamp;

the buckles are annularly distributed on the inner wall of the through hole;

the worm and gear assembly is used for driving the buckle to move along the radial direction.

Further, the worm and gear assembly comprises an annular worm gear and a worm, the annular worm gear is respectively installed in the upper clamp and the lower clamp, the worm is matched with the corresponding annular worm gear, a handle is arranged at one end of the worm, a first plane thread is arranged on the upper surface of the annular worm gear, and a second plane thread matched with the first plane thread is arranged on the lower surface of the buckle.

Further, the upper clamp and the lower clamp comprise a first clamp seat and a second clamp seat, a first semicircular hole and a first arc-shaped groove are formed in the first clamp seat, a second semicircular hole and a second arc-shaped groove are formed in the second clamp seat, a first arc-shaped worm wheel is installed in the first arc-shaped groove, a second arc-shaped worm wheel is installed in the second arc-shaped groove, when the first clamp seat is connected with the second clamp seat, the through hole is formed between the first semicircular hole and the second semicircular hole, and the annular worm wheel is formed between the first arc-shaped worm wheel and the second arc-shaped worm wheel.

Furthermore, guide grooves are further formed in the first clamping seat and the second clamping seat, the buckle comprises a clamping rod and a clamping block, the second plane thread is arranged on the lower surface of the clamping rod, one end of the clamping rod extends into the guide grooves, the clamping block is arranged at the other end of the clamping rod, and the clamping block is located in the through hole.

According to the closed clamp provided by the utility model, the buckle can move along the radial direction by rotating the worm, so that the closed clamp is suitable for insulator steel caps with different sizes, operators basically do not need to consider whether the size of the clamp is matched with that of the insulator steel cap, and a plurality of sets of closed clamps do not need to be prepared.

Drawings

FIG. 1 is a schematic diagram of a generic closed card according to the present invention;

FIG. 2 is a schematic structural diagram of a top/bottom card according to the present invention;

FIG. 3 is a schematic structural view of a worm and gear assembly provided by the present invention;

FIG. 4 is a schematic structural view of the direction A-A provided by the present invention;

wherein, 1, card loading; 2. card discharging; 3. a wire grip; 301. a first screw rod; 302. a second screw; 303. a sleeve; 4. a connector; 5. a first card holder; 501. a hinged column; 502. a bolt; 503. a first semicircular hole; 504. a first arc-shaped groove; 6. a second card holder; 601. a second semicircular hole; 602. an arc-shaped groove II; 7. a through hole; 8. buckling; 801. a clamping rod; 802. a clamping block; 803. a guide groove; 9. an annular worm gear; 901. a second arc-shaped worm wheel; 902. a first arc-shaped worm wheel; 903. a first plane thread; 10. a worm; 1001. a handle.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, the utility model provides a universal closed card, which comprises an upper card 1, a lower card 2, a buckle 8 and a worm gear assembly, wherein the upper card 1 and the lower card 2 have the same structure, the upper card 1 and the lower card 2 are connected through a wire grip 3, and the middle parts of the upper card 1 and the lower card 2 are provided with through holes 7; the buckles 8 are annularly distributed on the inner wall of the through hole 7; the worm and gear assembly is used for driving the buckle 8 to move along the radial direction. The buckle can radially move to be applicable to insulator steel cap of different sizes. Connectors 4 are arranged on the left side and the right side of the upper clamp 1, connectors 4 are also arranged on the left side and the right side of the lower clamp 2, the connectors on the left side of the upper clamp are connected with the connectors on the left side of the lower clamp through a tightener, and the connectors on the right side of the upper clamp are connected with the connectors on the right side of the lower clamp through the tightener; the turn-buckle 3 is prior art, and it includes screw rod one 301, screw rod two 302 and sleeve pipe 303, the lower part threaded connection of screw rod one is in sheathed tube upper portion, the upper portion threaded connection of screw rod two is in sheathed tube lower part, screw rod one with the screw thread of screw rod two is turned round to the contrary, and during rotatory sleeve pipe, the adjustable interval of going up between card and the lower card.

The worm and gear assembly comprises an annular worm wheel 9 and a worm 10, the annular worm wheel 9 is respectively installed in the upper clamp 1 and the lower clamp 2, the worm 10 is matched with the annular worm wheel 9 correspondingly, one end of the worm 10 is provided with a handle 1001, the upper surface of the annular worm wheel 9 is provided with a first plane thread 903, and the lower surface of the buckle 8 is provided with a second plane thread matched with the first plane thread 903. When the handle is rotated, the worm can be driven to rotate, so that the annular worm wheel is driven to rotate, and the buckle moves along the radial direction.

The upper card 1 and the lower card 2 comprise a first card holder 5 and a second card holder 6, a first semicircular hole 503 and a first arc-shaped groove 504 are formed in the first card holder 5, a second semicircular hole 601 and a second arc-shaped groove 602 are formed in the second card holder 6, a first arc-shaped worm wheel 902 is installed in the first arc-shaped groove 504, a second arc-shaped worm wheel 901 is installed in the second arc-shaped groove 602, when the first card holder 5 is connected with the second card holder 6, the through hole 7 is formed between the first semicircular hole 503 and the second semicircular hole 601, and the annular worm wheel 9 is formed between the first arc-shaped worm wheel 902 and the second arc-shaped worm wheel 901. One side of the first clamping seat 5 is hinged to one side of the second clamping seat 6 through a hinge column 501, the other side of the first clamping seat 5 is connected with the other side of the second clamping seat 6 through a bolt 502 and a nut, and when the upper clamp or the lower clamp needs to be opened, the bolt and the nut only need to be detached. Specifically, when the first clamping seat is connected with the second clamping seat, the end face formed at the connection position of the first semicircular hole and the second semicircular hole and the end face formed at the connection position of the first arc-shaped worm wheel and the second arc-shaped worm wheel are on the same plane.

The first clamping seat 5 and the second clamping seat 6 are further provided with guide grooves 803, the buckle 8 comprises a clamping rod 801 and a clamping block 802, the second plane thread is arranged on the lower surface of the clamping rod 801, one end of the clamping rod 801 extends into the guide grooves 803, the other end of the clamping rod 801 is provided with the clamping block 802, and the clamping block 802 is located in the through hole 7. Specifically, one end of the clamping rod is located in the guide groove, the other end of the clamping rod penetrates through the inner wall of the through hole, and the clamping rod can move along the radial direction, so that the clamping block is driven to move along the radial direction.

The working principle of the utility model is as follows:

in the initial state, the fixture block is attached to the inner wall of the through hole. When the insulator steel cap clamping device is used, firstly, the bolts and the nuts on the upper clamp and the lower clamp are disassembled, so that the upper clamp and the lower clamp are in an open state, then the upper clamp and the lower clamp are respectively clamped on an upper insulator steel cap and a lower insulator steel cap which need to be connected, then, the bolts and the nuts on the upper clamp and the lower clamp are screwed, so that the first clamping seat and the second clamping seat of the upper clamp and the lower clamp are in a connected state, at the moment, a through hole is formed between the first semicircular hole and the second semicircular hole on the upper clamp and the lower clamp, an annular worm wheel is formed between the first arc worm wheel and the second arc worm wheel, then, the handle on the upper clamp is rotated in one direction, the annular worm wheel on the upper clamp is rotated, so that the clamping block is driven to approach to the insulator steel cap and clamp the insulator steel cap, and similarly, the handle on the lower clamp is rotated in one direction, so that the clamping block on the lower clamp clamps the insulator steel cap; afterwards, rotatory turn-buckle's sleeve pipe coordinates to tighten up and goes up the card and lower the card, changes the insulator operation immediately, changes after the operation completion, rotates the handle on the card towards another direction and makes the fixture block keep away from the insulator steel cap, and until the fixture block pastes on the inner wall of through-hole once more, the fixture block resets to next use, and in the same way, rotate handle on the card down towards another direction and make the fixture block reset, after the fixture block resets, can dismantle last card, lower card.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (4)

1. A universal closed card, comprising:

the clamp comprises an upper clamp (1) and a lower clamp (2), wherein the upper clamp (1) is connected with the lower clamp (2) through a wire tightener (3), and through holes (7) are formed in the middle parts of the upper clamp (1) and the lower clamp (2);

the buckles (8) are annularly distributed on the inner wall of the through hole (7);

the worm and gear assembly is used for driving the buckle (8) to move along the radial direction.

2. The universal closed card according to claim 1, wherein the worm gear assembly comprises an annular worm wheel (9) and a worm (10), the annular worm wheels (9) are respectively installed in the upper card (1) and the lower card (2), the worm (10) is matched with the corresponding annular worm wheel (9), one end of the worm (10) is provided with a handle (1001), the upper surface of the annular worm wheel (9) is provided with a first plane thread (903), and the lower surface of the buckle (8) is provided with a second plane thread (903) matched with the first plane thread (903).

3. The universal closed card according to claim 2, wherein the upper card (1) and the lower card (2) comprise a first card holder (5) and a second card holder (6), the first card holder (5) is provided with a first semi-circular hole (503) and a first arc-shaped groove (504), the second card holder (6) is provided with a second semi-circular hole (601) and a second arc-shaped groove (602), the first arc-shaped groove (504) is internally provided with a first arc-shaped worm wheel (902), the second arc-shaped groove (602) is internally provided with a second arc-shaped worm wheel (901), when the first card holder (5) and the second card holder (6) are connected, the through hole (7) is formed between the first semi-circular hole (503) and the second semi-circular hole (601), and the annular worm wheel (9) is formed between the first arc-shaped worm wheel (902) and the second arc-shaped worm wheel (901).

4. The universal closed card according to claim 3, wherein the first card holder (5) and the second card holder (6) are further provided with a guide groove (803), the buckle (8) comprises a card rod (801) and a clamping block (802), the second planar thread is arranged on the lower surface of the card rod (801), one end of the card rod (801) extends into the guide groove (803), the other end of the card rod is provided with the clamping block (802), and the clamping block (802) is located in the through hole (7).

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