CN210985517U

CN210985517U - Cable steel framework for cable tensioning erection

Info

Publication number: CN210985517U
Application number: CN202020882495.6U
Authority: CN
Inventors: 王增军; 马晨阳; 李宾; 张振升
Original assignee: Shandong Sanyou Electrical Equipment Co ltd
Current assignee: Shandong Sanyou Electrical Equipment Co ltd
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-07-10
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses a cable stretch-draw erects and uses cable steel framework, including first fixed plate, second fixed plate, third fixed plate and dead lever, set up the braced frame about its central symmetry on the up end of third fixed plate, braced frame's top is run through and is provided with the threaded rod, the extension end of threaded rod bottom is rotated through the bearing and is connected with the briquetting, the extension end at threaded rod top runs through the second fixed plate, install the motor on the lower terminal surface of first fixed plate, the rotation piece has been cup jointed in the output shaft outside of motor. The utility model discloses in, through control motor clockwise turning, the drive rotates a rotation, closes the transmission principle according to the screw thread soon, drives the threaded rod and the briquetting of both sides and moves down simultaneously, suppresses the cable to make the cable by fixed centre gripping in braced frame, according to rotating the auto-lock action between the threaded rod, stable firm, simple structure, convenient operation when guaranteeing the cable centre gripping.

Description

Cable steel framework for cable tensioning erection

Technical Field

The utility model relates to an electric power construction technical field especially relates to a cable stretch-draw erects and uses cable steel framework.

Background

With the continuous development of social economy, power cable equipment occupies a great position in the whole industrial system, the power cable is used for transmitting and distributing electric energy, the power cable is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater, and the proportion of the power cable in the power line is gradually increased.

In the existing cable erection process, firstly, a cable steel framework for cable tensioning erection with a simple structure is lacked, which is usually a complex structure adopting a fixed clamping device, is inconvenient to use and has poor fixed clamping effect on a power cable; secondly, current cable steel framework is fixed relatively to power cable's centre gripping direction, can not carry out effectual centre gripping to the cable of different supplied materials directions, needs constantly to change the mounted position of the fixed fixture of cable, influences the efficiency of construction that power cable laid, consequently, lacks a steel framework that is applicable to the cable of the different supplied materials directions of centre gripping.

Disclosure of Invention

The utility model aims to provide a: in order to solve the problems, a cable steel framework for tensioning and erecting a cable is provided.

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

a cable steel framework for tensioning and erecting cables comprises a first fixing plate, a second fixing plate, a third fixing plate and a fixing rod, wherein the first fixing plate and the second fixing plate are arranged on the first fixing plate, the second fixing plate and the third fixing plate are fixedly connected through a fixing rod, the first fixing plate is positioned above the second fixing plate, the second fixing plate is positioned above the third fixing plate, a supporting frame which is symmetrical about the center of the third fixing plate is arranged on the upper end surface of the third fixing plate, the top of the supporting frame is provided with a threaded rod in a penetrating way, the extending end at the bottom of the threaded rod is rotationally connected with a pressing block through a bearing, the extending end of the top of the threaded rod penetrates through the second fixing plate, the lower end face of the first fixing plate is provided with a motor, the outer side of the output shaft of the motor is sleeved with a rotating part, and the rotating part is connected with the threaded rod in a screwing mode through threads.

As a further description of the above technical solution:

the rotation directions of the clamping teeth on the two threaded rods are different.

As a further description of the above technical solution:

the bearing is sleeved outside the extending end at the top of the threaded rod, and the bearing outer sleeve is elastically connected with the lower end face of the first fixing plate through the spring.

As a further description of the above technical solution:

the gear is sleeved on the outer side of the second rotating rod, the first rotating rod symmetrically arranged relative to the second rotating rod is rotatably arranged on the third fixing plate through a bearing, the first rotating rod is connected with the bottom end face of the supporting frame, a plurality of teeth at equal intervals are arranged on the outer side, close to the bottom, of the supporting frame, and the clamping teeth of the gear are meshed with the teeth.

As a further description of the above technical solution:

and V-shaped surfaces are arranged on the lower end surface inside the supporting frame and the lower end surface of the pressing block.

As a further description of the above technical solution:

and the opposite sides of the supporting frame are provided with communicated cable grooves.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through control motor clockwise turning, drive and rotate a rotation, close the transmission principle soon according to the screw thread, drive the threaded rod and the briquetting of both sides and move down simultaneously, suppress the cable to make the cable by fixed centre gripping in braced frame, according to the screw thread self-locking action between rotating and the threaded rod, stable firm, simple structure, convenient operation when guaranteeing the cable centre gripping.

2. The utility model discloses in, through rotating the second bull stick, drive the synchronous rotation of gear, according to the meshing transmission principle of latch, drive braced frame and rotate to change the direction of cable duct, the not equidirectional cable of being convenient for passes braced frame, thereby is convenient for carry out the centre gripping to the cable of not equidirectional, need not to change fixed clamping device's mounted position, convenient operation improves cable laying's efficiency of construction.

Drawings

Fig. 1 is a schematic view illustrating an internal structure of a fixing device according to an embodiment of the present invention;

fig. 2 shows a schematic top view of a support frame provided according to an embodiment of the invention;

fig. 3 shows a schematic cross-sectional view of a support frame provided according to an embodiment of the present invention.

Illustration of the drawings:

1. a first fixing plate; 2. a second fixing plate; 3. a third fixing plate; 4. fixing the rod; 5. a spring; 6. a motor; 7. a rotating member; 8. a threaded rod; 9. a support frame; 901. teeth; 902. a cable trough; 10. briquetting; 11. a V-shaped surface; 12. a first rotating lever; 13. a gear; 14. a second rotating 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The motor 6 is a positive and negative rotation servo motor, the type of which is 110ZF 1500W, and the positive and negative rotation of the servo motor is controlled through positive and negative pulses.

Referring to fig. 1-3, the present invention provides a technical solution: a cable steel framework for cable tensioning erection comprises a first fixing plate 1, a second fixing plate 2, a third fixing plate 3 and fixing rods 4, wherein the first fixing plate 1 and the second fixing plate 2 are fixedly connected with each other through the fixing rods 4, the first fixing plate 1 is positioned above the second fixing plate 2, the second fixing plate 2 is positioned above the third fixing plate 3, the fixing rods 4 at the bottom of the third fixing plate 3 are connected with the cable steel framework, a supporting frame 9 which is symmetrical about the center of the supporting frame is arranged on the upper end surface of the third fixing plate 3, a threaded rod 8 penetrates through the top of the supporting frame 9, a pressing block 10 is rotatably connected to the extending end at the bottom of the threaded rod 8 through a bearing, the pressing block 10 cannot be driven to rotate synchronously when the threaded rod 8 rotates, the stability of the pressing block 10 when pressing a cable is ensured, the extending end at the top of the threaded rod 8 penetrates through the second fixing plate 2, install motor 6 on the lower terminal surface of first fixed plate 1, the output shaft outside of motor 6 has cup jointed and has rotated piece 7, it is connected through the latch meshing between 7 and the threaded rod 8 to rotate the piece, the output shaft through motor 6 drives and rotates 7 synchronous rotations, close the transmission principle according to the screw soon, it removes at vertical direction to drive threaded rod 8, thereby realize the lift of briquetting 10, be convenient for press from both sides tightly and relax the cable, and rotate and have screw thread self-locking effect between 7 and the threaded rod 8, only can drive threaded rod 8 through rotating piece 7 promptly, and can't drive through threaded rod 8 and rotate piece 7, thereby it is firm to guarantee the stability when 10 centre gripping cables of briquetting.

Specifically, as shown in fig. 1, the rotation directions of the latch teeth on the two threaded rods 8 are different, so that when the rotating member 7 rotates, the threaded rods 8 on the two sides synchronously move in the same direction.

Specifically, as shown in fig. 1, a bearing is sleeved outside an extending end at the top of the threaded rod 8, and the bearing outer sleeve is elastically connected with the lower end face of the first fixing plate 1 through a spring 5, so that on one hand, the threaded rod 8 is supported, and on the other hand, the vertical movement of the threaded rod 8 is not affected.

Specifically, as shown in fig. 1, a second rotating rod 14 is rotatably mounted on a third fixing plate 3 through a bearing, a gear 13 is sleeved on the outer side of the second rotating rod 14, a first rotating rod 12 symmetrically arranged with respect to the second rotating rod 14 is rotatably mounted on the third fixing plate 3 through a bearing, the first rotating rod 12 is connected with the bottom end face of a supporting frame 9, and under the action of the bearing, it is ensured that the supporting frame 9 can realize rotating motion, a plurality of teeth 901 with equal intervals are arranged on the outer side, close to the bottom, of the supporting frame 9, a latch of the gear 13 is meshed with the teeth 901, the gear 13 is driven to rotate by rotating the second rotating rod 14, and the supporting frame 9 is driven to rotate according to the meshing transmission principle of the latch, so that the change of the angle of the supporting frame 9 is realized, and cables in different angle directions can be clamped conveniently.

Specifically, as shown in fig. 1 and 3, the opposite sides of the supporting frame 9 are provided with cable grooves 902 which are communicated with each other, after the cable passes through the cable grooves 902, the cable is fixedly clamped by the pressing block 10, the lower end face inside the supporting frame 9 and the lower end face of the pressing block 10 are both provided with V-shaped surfaces 11, the limitation of the shape and the diameter of the cable is avoided, and the effect of fixing and clamping is improved.

The working principle is as follows: when the cable clamping device is used, the second rotating rod 14 is rotated to drive the gear 13 to rotate, the supporting frames 9 on two sides are driven to rotate according to the meshing transmission principle of the clamping teeth, so that the direction of the cable groove 902 is changed, and a cable passes through the cable groove 902, so that the cables in different directions can be clamped and fixed conveniently; the driving motor 6 rotates clockwise to drive the rotating part 7 to rotate, and according to the thread screwing transmission principle, the threaded rods 8 on the two sides move downwards synchronously to drive the pressing block 10 to descend, so that the cable penetrating through the inside of the supporting frame 9 is clamped and fixed, the structure is simple, the operation is convenient, and the cable is clamped and fixed conveniently.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A cable steel framework for cable tensioning erection comprises a first fixing plate (1), a second fixing plate (2), a third fixing plate (3) and fixing rods (4), wherein the first fixing plate (1), the second fixing plate (2) and the third fixing plate (3) are fixedly connected through the fixing rods (4), the first fixing plate (1) is located above the second fixing plate (2), the second fixing plate (2) is located above the third fixing plate (3), the cable steel framework is characterized in that a supporting frame (9) symmetrical about the center of the supporting frame is arranged on the upper end face of the third fixing plate (3), a threaded rod (8) penetrates through the top of the supporting frame (9), an extending end at the bottom of the threaded rod (8) is rotatably connected with a pressing block (10) through a bearing, an extending end at the top of the threaded rod (8) penetrates through the second fixing plate (2), install motor (6) on the lower terminal surface of first fixed plate (1), the output shaft outside of motor (6) has cup jointed and has rotated piece (7), rotate and close through the screw between piece (7) and threaded rod (8) and be connected soon.

2. A cable steel framework for cable tension erection according to claim 1, wherein the rotation directions of the latch teeth on the two threaded rods (8) are different.

3. A cable steel framework for cable tensioning erection according to claim 1, wherein a bearing is sleeved outside the extending end of the top of the threaded rod (8), and the bearing outer sleeve is elastically connected with the lower end surface of the first fixing plate (1) through a spring (5).

4. A cable steel framework for cable tensioning erection according to claim 1, wherein a second rotating rod (14) is rotatably mounted on the third fixing plate (3) through a bearing, a gear (13) is sleeved outside the second rotating rod (14), a first rotating rod (12) symmetrically arranged relative to the second rotating rod (14) is rotatably mounted on the third fixing plate (3) through a bearing, the first rotating rod (12) is connected with the bottom end face of the supporting frame (9), a plurality of equally-spaced teeth (901) are arranged on the outer side of the supporting frame (9) close to the bottom, and the clamping teeth of the gear (13) are meshed with the teeth (901).

5. A cable steel framework for cable tension erection according to claim 1, wherein a V-shaped surface (11) is arranged on the lower end surface of the inside of the supporting framework (9) and the lower end surface of the pressing block (10).

6. A cable steel framework for cable tension erection according to claim 1, wherein the opposite sides of the supporting framework (9) are provided with communicating cable grooves (902).