CN211183309U

CN211183309U - Strain clamp

Info

Publication number: CN211183309U
Application number: CN201922059659.5U
Authority: CN
Inventors: 缪磊; 戴洋洋; 尤文婷
Original assignee: Jiangsu Sumac Power Technology Co ltd
Current assignee: Jiangsu Sumac Power Technology Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-04
Anticipated expiration: 2029-11-26

Abstract

The utility model relates to the technical field of electric power fittings, and discloses a strain clamp, which comprises a first round pipe, a second round pipe and a boosting assembly, wherein the left end of the first round pipe is movably connected with a connecting rod, the left side surface of the connecting rod is fixedly connected with a round rod, the left side surface of the round rod is fixedly connected with a ring, the right side surface of the first round pipe is fixedly connected with a first spring, the upper end of the first spring is fixedly connected with a buckle, the round pipe is sleeved in the second round pipe, the lower part of the left side surface of the second round pipe is fixedly connected with a drainage assembly, the upper part of the left side surface of the second round pipe is provided with a round hole, the upper part of the round hole is fixedly connected with a round cover, the boosting assembly is arranged at the right end of the first round pipe, when a wire extends from the right end, the clamp plate clamps the wire through a second compression spring and a third spring, the, the lead is prevented from falling off in the installation process, so that the effect of convenient installation is achieved.

Description

Strain clamp

Technical Field

The utility model relates to an electric power fitting technical field specifically is a strain clamp.

Background

The strain clamp is a hardware tool used for fixing a lead to bear the tension of the lead and hanging the lead on a strain insulator string group or a tower, can fix the lead or a lightning conductor on a strain insulator string of a non-linear tower, plays an anchor role and is also used for fixing a stay wire of a stay wire tower. The strain clamp can be used for corner connection, connection and terminal connection, and is an important hardware fitting in a power transmission line. The strain clamp of the first type only bears all the tension of a lead, a lightning conductor and a stay wire, but does not serve as a conductor; the second type of strain clamp is used as a conductor except for bearing all tensile forces of a conducting wire and a lightning conductor.

In the installation use of strain clamp, need installer at high altitude construction usually, hold the wire with one hand, wear into the strain clamp that another hand was held with the wire and fix the back and carry out other operations again, be difficult to guarantee that the wire does not drop from strain clamp, consequently, need a strain clamp of being convenient for to install to urgent.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a strain clamp has solved the problem that strain clamp is not convenient for install.

(II means for solving the problems

In order to achieve the above object, the utility model provides a following technical scheme: a strain clamp comprises a first round pipe, a second round pipe and a boosting assembly, wherein the left end of the first round pipe is movably connected with a connecting rod, a threaded hole is formed in the lower surface of the connecting rod, an arc-shaped plate is arranged inside the connecting rod, a threaded rod is arranged inside the threaded hole, the upper surface of the threaded rod is movably connected with the lower surface of the arc-shaped plate through a bearing, a round rod is fixedly connected with the left surface of the connecting rod, a ring is fixedly connected with the left surface of the round rod, a first spring is fixedly connected with the right end of the side surface of the first round pipe, a buckle is fixedly connected with the upper end of the first spring, the round pipe is sleeved in the second round pipe, a drainage assembly is fixedly connected below the left end of the side surface of the second round pipe, a round hole is formed above the left end of the side surface of the second round pipe, two recesses have evenly been seted up to the side surface left end equidistance of boosting subassembly, every be provided with the ball in the recess, every the inner wall contact of ball and pipe one, the inner wall left end equidistance of boosting subassembly evenly is provided with two springs two, the inner wall right-hand member equidistance of boosting subassembly evenly is provided with two springs three, the inside of boosting subassembly is provided with two splint, every the left end and the two fixed connection of a spring of splint, every the right-hand member and the three fixed connection of a spring of splint.

Preferably, the inner wall of the left end of the first round pipe is provided with threads, and the first round pipe is detachably connected with the connecting rod through the threads.

Preferably, the size of the round hole is matched with the buckle, and the first spring is in a compressed state when the buckle is in contact with the inner wall of the second round tube.

Preferably, the length of each second spring is longer than that of each third spring, and the opening of each groove is smaller than the diameter of each round ball.

(three advantageous effects)

Compared with the prior art, the utility model provides a strain clamp possesses following beneficial effect:

1. this strain clamp is in the right-hand member of pipe one through setting up the boosting subassembly, and when the wire stretched into from the right-hand member, through compression spring two and spring three, it was tight with the wire clamp to make splint, through two balls that set up on the boosting subassembly, made things convenient for the boost motor to drive the left end motion of wire to pipe one, prevented that the wire from droing in the installation to reach the effect of the installation of being convenient for.

2. This strain clamp, when the wire has passed the pipe for one time, the wire front end stretches into in the connecting rod, rotatory threaded rod can push up the arc, the arc can compress tightly intraductal wire, thereby it is fixed with the wire on the basis of the wire that does not wear and tear, the wire is fixed back with the connecting rod, the first shrink originally of pipe is inside two pipes, reduce strain clamp volume, and convenient to carry, two movements left of pulling pipe, when pulling a certain position, the spring is upwards pushed up the buckle, the card is in the round hole, pipe two is fixed no longer moving promptly, originally, the partial wire that exposes at a pipe right-hand member just is fixed by two pipes of taking out, thereby be convenient for fixed wire, reach the effect of being convenient for install.

Drawings

FIG. 1 is a schematic diagram of the formal structure of the present invention;

FIG. 2 is a schematic view of a circular tube structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the boosting assembly of the present invention;

figure 4 is the schematic diagram of the internal structure of the connecting rod of the present invention.

In the figure: the device comprises a first round pipe, a second round pipe, a 3 drainage component, a 4 round cover, a 5 connecting rod, a 501 arc-shaped plate, a 502 threaded hole, a 503 threaded rod, a 6 round ring, a 7 round rod, a first spring, a 9 buckle, a 10 round hole, a 11 clamping plate, a 12 boosting component, a 13 groove, a 14 round ball, a second spring, and a third spring, wherein the 1 round pipe, the 2 round pipe, the 3 drainage component, the 4 round cover, the 5 connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a strain clamp comprises a first round tube 1, a second round tube 2 and a boosting assembly 12, wherein the left end of the first round tube 1 is movably connected with a connecting rod 5, the inner wall of the left end of the first round tube 1 is provided with a thread, the first round tube 1 is detachably connected with the connecting rod 5 through the thread, the strain clamp is convenient to install, the lower surface of the connecting rod 5 is provided with a threaded hole 502, an arc plate 501 is arranged inside the connecting rod 5, a threaded rod 503 is arranged inside the threaded hole 502, the upper surface of the threaded rod 503 is movably connected with the lower surface of the arc plate 501 through a bearing, when a lead passes through the first round tube 1, the front end of the lead extends into the connecting rod 5, the arc plate 501 is pressed upwards by rotating the threaded rod 503, the arc plate 501 can compress the lead in the tube, so that the lead is fixed on the basis of not wearing the lead, the left surface of, the ring 6 is used for fixing the strain clamp, the first spring 8 is fixedly connected to the right end of the side surface of the first round pipe 1, the buckle 9 is fixedly connected to the upper end of the first spring 8, the first round pipe 1 is sleeved in the second round pipe 2, the drainage component 3 is fixedly connected to the lower portion of the left end of the side surface of the second round pipe 2, the round hole 10 is formed in the upper portion of the left end of the side surface of the second round pipe 2, the size of the round hole 10 is matched with that of the buckle 9, the first spring 8 is in a compression state when the buckle 9 is in contact with the inner wall of the second round pipe 2, the round cover 4 is fixedly connected to the upper portion of the round hole 10, ash or water can be prevented from entering the pipe, corrosion elements are avoided, the service life of the strain clamp is shortened, when a lead passes through the first round pipe 1 and is fixed by the connecting rod 5, the first round pipe, when the push-aid assembly is pulled to a certain position, the first spring 8 pushes the buckle 9 upwards and is clamped in the round hole 10, the second round pipe 2 is fixed and can not move any more, part of wires originally exposed at the right end of the first round pipe 1 are wrapped by the second round pipe 2, the installation is convenient, the installation time is saved, the push-aid assembly 12 is arranged in the first round pipe 1, two grooves 13 are uniformly formed in the left end of the side surface of the push-aid assembly 12 at equal intervals, round balls 14 are arranged in each groove 13, each round ball 14 is in contact with the inner wall of the first round pipe 1, two springs 15 are uniformly arranged at the left end of the inner wall of the push-aid assembly 12 at equal intervals, two springs 16 are uniformly arranged at the right end of the inner wall of the push-aid assembly 12 at equal intervals, two clamping plates 11 are arranged in the push-aid assembly 12, the left end of each clamping plate 11 is fixedly connected with one spring 15, the right end of each clamping plate 11 is fixedly, like this splint 11 is in the state of putting to one side, it is fixed to make things convenient for the wire to insert from the right-hand member, every recess 13 opening is less than the diameter of every ball 14, prevent that ball 14 from coming off in recess 13, the strain clamp is when using, boosting subassembly 12 is in the right-hand member of a pipe 1, when the wire stretches out from the right-hand member, through two 15 and three 16 of compression spring, make splint 11 press from both sides the wire tightly, through two balls 14 that set up on boosting subassembly 12, make things convenient for the boost motor to drive the left end motion of wire to a pipe 1, prevent that the wire from coming off in the installation, and the installation of being convenient for.

The working principle is as follows:

the first step is as follows: strain clamp is when using, and boosting subassembly 12 is located the right-hand member of pipe 1, and when the wire stretched into from the right-hand member, through two 15 and three 16 springs of compression spring, messenger's splint 11 pressed from both sides the wire tightly, through two balls 14 that set up on boosting subassembly 12, made things convenient for the boost motor to drive the left end motion of wire to pipe 1, prevented that the wire from droing in the installation to reach the effect of the installation of being convenient for.

The second step is that: when the wire has passed pipe 1, the wire front end stretches into in the connecting rod 5, rotatory threaded rod 503 can push up arc 501, arc 501 can compress tightly intraductal wire, thereby compress tightly the wire on the basis of the wire that does not wear and tear, the wire is fixed back with connecting rod 5, pipe 1 originally contracts inside pipe two 2, reduce strain clamp volume, and convenient to carry, stimulate pipe two 2 and move left, when stimulateeing a locating position, spring 8 pushes up buckle 9 upwards, the card is in round hole 10, pipe two 2 is fixed no longer moving promptly, originally, the partial wire that exposes at pipe 1 right-hand member just is fixed by pipe two 2 of taking out, thereby be convenient for fixed wire, reach the effect of the installation of being convenient for.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a strain clamp, includes pipe one (1), two (2) of pipe and boosting subassembly (12), its characterized in that: the left end of the first round pipe (1) is movably connected with a connecting rod (5), the left side surface of the connecting rod (5) is fixedly connected with a round rod (7), the left side surface of the round rod (7) is fixedly connected with a ring (6), the right end of the side surface of the first round pipe (1) is fixedly connected with a first spring (8), the upper end of the first spring (8) is fixedly connected with a buckle (9), the first round pipe (1) is sleeved in the second round pipe (2), a drainage assembly (3) is fixedly connected below the left end of the side surface of the second round pipe (2), a round hole (10) is formed in the upper portion of the left end of the side surface of the second round pipe (2), and a round cover (4) is fixedly connected above the round hole (10);

boost subassembly (12) set up the inside in pipe (1), two recess (13) have evenly been seted up to the side surface left end equidistance of boost subassembly (12), every be provided with ball (14) in recess (13), every ball (14) and the inner wall contact of pipe (1), the inner wall left end equidistance of boost subassembly (12) evenly is provided with two springs (15), the inner wall right-hand member equidistance of boost subassembly (12) evenly is provided with two springs (16), the inside of boost subassembly (12) is provided with two splint (11), every the left end and a spring two (15) fixed connection of splint (11), every the right-hand member and a spring three (16) fixed connection of splint (11).

2. The strain clamp of claim 1, wherein: the inner wall of the left end of the first round pipe (1) is provided with threads, and the first round pipe (1) is detachably connected with the connecting rod (5) through the threads.

3. The strain clamp of claim 1, wherein: the size of round hole (10) and buckle (9) phase-match, spring one (8) are in compression state when buckle (9) and the inner wall contact of pipe two (2).

4. The strain clamp of claim 1, wherein: the length of each second spring (15) is longer than that of each third spring (16), and the opening of each groove (13) is smaller than the diameter of each round ball (14).

5. The strain clamp of claim 1, wherein: threaded hole (502) is seted up to connecting rod (5) lower surface, the inside of connecting rod (5) is provided with arc (501), threaded hole (502) inside is provided with a threaded rod (503), the upper surface of threaded rod (503) passes through bearing swing joint together with the lower surface of arc (501).