CN215733158U

CN215733158U - A tensioner bullwheel for electric power installation

Info

Publication number: CN215733158U
Application number: CN202121099869.8U
Authority: CN
Inventors: 陈天勇
Original assignee: Chongqing Tianwen Power Grid Construction Co ltd
Current assignee: Chongqing Southern Power Grid Co.,Ltd.
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2022-02-01
Anticipated expiration: 2031-05-21

Abstract

The utility model relates to the technical field of electric power installation, in particular to a wire tightening device for electric power installation, which comprises a first rack, a second rack, a sliding sleeve, a rotating shaft and a gear, wherein the first rack and the second rack are slidably installed in the sliding sleeve, the rotating shaft is rotatably installed on the sliding sleeve, the gear is fixedly connected onto the rotating shaft, the gear is rotatably arranged in the sliding sleeve, the gear is meshed with the first rack and the second rack, a short shaft is fixedly connected onto the first rack and the second rack, a clamp is arranged on the short shaft, and the distance between the clamps on the first rack and the second rack is changed by driving a worm, so that a cable is tensioned or loosened.

Description

A tensioner bullwheel for electric power installation

Technical Field

The utility model relates to the technical field of electric power installation, in particular to a wire tightening device for electric power installation.

Background

With the rapid increase of national economy, the demand of people for electric power is also increasing. The construction of corresponding electrical devices ensues. The most important of the power equipment is the construction of power lines, and in order to reduce the danger of the power lines to residents and provide space utilization rate, the power lines are laid by adopting a power overhead line form in most of China at the present stage.

The prior art often adopts a reinforced pile anchor or a temporary pull rope for tensioning the power overhead line, which only has the function of tightening the line and cannot perform gradual line loosening operation in real time, which brings great inconvenience to the laying construction work of the power cable, while the addition of the reinforced pile anchor or the temporary pull rope wastes time and labor, and the later-stage dismantling operation is needed, so that the laying construction steps of the cable become very complicated,

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defect that the gradual wire loosening operation cannot be carried out in real time after the tension of an electric overhead wire in the prior art, and provides a wire tightening device for electric power installation.

In order to achieve the purpose, the utility model adopts the following technical scheme:

designing a wire tightening device for electric power installation, which comprises a first rack, a second rack, a sliding sleeve, a rotating shaft and a gear, wherein the first rack and the second rack are slidably installed in the sliding sleeve, the rotating shaft is rotatably installed on the sliding sleeve, the gear is fixedly connected to the rotating shaft, the gear is rotatably arranged in the sliding sleeve, the gear is meshed with the first rack and the second rack, a short shaft is fixedly connected to the first rack and the second rack, and a clamp is arranged on the short shaft;

the bearing seat is fixedly connected to the sliding sleeve, a worm is rotatably mounted in the bearing seat, a worm wheel is fixedly connected to one end of the rotating shaft in a coaxial line mode, and the worm wheel is matched with the worm.

Preferably, anchor clamps include splint, link board, stopper and spring, the through-hole has all been seted up to the splint both sides, the screw rod is equipped with in the through-hole interpolation, the spiro union has the nut on one end of screw rod, it has the cam handle to articulate on the other end of screw rod, link the board rigid coupling and be in on the splint outer wall, link having seted up the perforation on the board, minor axis sliding fit is in the perforation, the stopper rigid coupling is in on the tip of minor axis, the spring housing is established on the minor axis.

Preferably, the spring is always in compression.

Preferably, a handle is fixedly connected to one end of the worm.

The utility model provides a wire tightening device for electric power installation, which has the beneficial effects that: the tightening device for electric installation changes the distance between the clamps on the first rack and the second rack by driving the worm, thereby tightening or loosening the cable.

Drawings

Fig. 1 is a schematic structural diagram of a wire tightening device for electric power installation according to the present invention.

Fig. 2 is a top view of a tensioner for electrical installation in accordance with the present invention.

Fig. 3 is a front view of a tensioner for electrical installation in accordance with the present invention.

Fig. 4 is a cross-sectional view of a tensioner for electrical installation in accordance with the present invention.

Fig. 5 is a schematic structural view of a clamping plate of a tightening device for electric power installation according to the present invention.

Fig. 6 is an enlarged view of a wire tensioner for electric power installation according to the present invention at a.

Fig. 7 is an enlarged view of a wire tensioner for electric power installation according to the present invention at B.

In the figure: the clamping plate comprises a clamping plate 1, a through hole 2, a connecting plate 3, a through hole 4, a screw rod 5, a nut 6, a cam handle 7, a short shaft 8, a limiting block 9, a spring 10, a first rack 11, a second rack 12, a sliding sleeve 13, a rotating shaft 14, a gear 15, a worm wheel 16, a bearing seat 17, a worm 18 and a handle 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-7, a stringing device for electric power installation includes a first rack 11, a second rack 12, a sliding sleeve 13, a rotating shaft 14 and a gear 15, wherein both the first rack 11 and the second rack 12 are slidably installed in the sliding sleeve 13, the rotating shaft 14 is rotatably installed on the sliding sleeve 13, the gear 15 is fixedly connected to the rotating shaft 14, the gear 15 is rotatably arranged in the sliding sleeve 13, the gear 15 is engaged with the first rack 11 and the second rack 12, a stub shaft 8 is fixedly connected to the first rack 11 and the second rack 12, and a clamp is arranged on the stub shaft 8; a bearing seat 17 is fixedly connected on the sliding sleeve 13, a worm 18 is rotatably arranged in the bearing seat 17, a worm wheel 16 is fixedly connected on one end of the rotating shaft 14 in a coaxial mode, the worm wheel 16 is matched with the worm 18, and a handle 19 is fixedly connected on one end of the worm 18. The first rack 11 and the second rack 12 clamp the cable through the clamp, the handle 19 drives the worm 18 to rotate, the worm 18 rotates to drive the worm wheel 16 to rotate, the worm wheel 16 rotates to drive the rotating shaft 14 to rotate, the rotating shaft 14 rotates to drive the gear 15 to rotate, the gear 15 rotates to change and drive the first rack 11 and the second rack 12 to slide on the sliding sleeve 13, and the first rack 11 and the second rack 12 slide on the sliding sleeve 13 to change the distance between the clamps on the first rack 11 and the second rack 12, so that the cable is tensioned or loosened.

Anchor clamps include splint 1, even board 3, stopper 9 and spring 10, through-hole 2 has all been seted up to splint 1 both sides, screw rod 5 has been equipped with in the 2 interpolations of through-hole, the spiro union has nut 6 on one of screw rod 5, it has cam handle 7 to articulate on the other end of screw rod 5, even 3 rigid couplings of board are on splint 1 outer wall, perforated hole 4 has been seted up on even board 3, 8 sliding fit of minor axis are in perforated hole 4, stopper 9 rigid coupling is on the tip of minor axis 8, spring 10 cover is established on minor axis 8, spring 10 is in compression state all the time, can drive screw rod 5 through 7 behind the cam handle and rotate, thereby change splint 1's interval, in order to carry out the centre gripping to the cable of different specifications, splint 1 is to cable clamp completion back, can make cam handle 7 rotation certain angle, thereby make splint 1 cable spare secondary locking.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The wire tightening device for electric power installation is characterized by comprising a first rack (11), a second rack (12), a sliding sleeve (13), a rotating shaft (14) and a gear (15), wherein the first rack (11) and the second rack (12) are slidably installed in the sliding sleeve (13), the rotating shaft (14) is rotatably installed on the sliding sleeve (13), the gear (15) is fixedly connected onto the rotating shaft (14), the gear (15) is rotatably arranged in the sliding sleeve (13), the gear (15) is meshed with the first rack (11) and the second rack (12), a short shaft (8) is fixedly connected onto the first rack (11) and the second rack (12), and a clamp is arranged on the short shaft (8);

sliding sleeve (13) are gone up the rigid coupling and are had bearing frame (17), rotatable worm (18) of installing in bearing frame (17), the coaxial line rigid coupling has worm wheel (16) on one end of pivot (14), worm wheel (16) with worm (18) cooperate.

2. The tightening device for electric power installation according to claim 1, wherein the clamp comprises a clamping plate (1), a connecting plate (3), a limiting block (9) and a spring (10), through holes (2) are formed in two sides of the clamping plate (1), a screw rod (5) is inserted into each through hole (2), a nut (6) is screwed on one end of the screw rod (5), a cam handle (7) is hinged to the other end of the screw rod (5), the connecting plate (3) is fixedly connected to the outer wall of the clamping plate (1), a through hole (4) is formed in the connecting plate (3), the short shaft (8) is slidably matched in the through hole (4), the limiting block (9) is fixedly connected to the end of the short shaft (8), and the spring (10) is sleeved on the short shaft (8).

3. A tensioner for electric power installations according to claim 2, characterized in that the spring (10) is always in compression.

4. A tensioner for electric power installations as claimed in claim 1, characterized in that a handle (19) is fastened to one end of the worm (18).