CN116073281A

CN116073281A - Cable support overhead for laying line

Info

Publication number: CN116073281A
Application number: CN202211385277.1A
Authority: CN
Inventors: 潘晓军; 杨瑞峰; 闫孝冬; 杨浩; 闫晓欣
Original assignee: Xinzhou Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Current assignee: Xinzhou Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-05-05

Abstract

The invention relates to the technical field of line laying, in particular to a cable supporting overhead for line laying, which can support a cable high on the premise of guaranteeing the laying length of the cable without carrying out cable length adjustment again after the cable is supported high; comprising the following steps: the lifting column is installed on the base in a lifting manner, a fixing seat is arranged at the top of the lifting column and used for fixedly clamping cables, a power box is further arranged on the base, and a transmission mechanism used for driving the lifting column to lift relative to the base is installed in the power box; the base and the lifting column are internally provided with an adjusting mechanism for controlling the locking and releasing of the fixed seat.

Description

Cable support overhead for laying line

Technical Field

The invention relates to the technical field of line laying, in particular to a cable supporting overhead for line laying.

Background

In electric power construction, to the cable laying that stands up, need to use the cable to prop up the overhead first and prop up the cable and rise, later tighten up the cable and fix on the pole, current cable props up the overhead when using, can not prop up the cable to the fixed point, can only by the cable slide at propping up the elevation point, can't guarantee the length of laying of cable, need prop up the length of back again adjustment cable, comparatively loaded down with trivial details.

Disclosure of Invention

In order to solve the technical problems, the invention provides a cable overhead for laying a line, which can be used for supporting and elevating a cable on the premise of guaranteeing the laying length of the cable, and does not need to adjust the cable length again after the cable is supported and elevated.

The invention relates to a cable overhead for laying a line, which comprises the following components:

the lifting column is installed on the base in a lifting manner, a fixed seat is arranged at the top of the lifting column and used for fixedly clamping cables, a power box is further arranged on the base, and a transmission mechanism used for driving the lifting column to lift relative to the base is installed in the power box; the base and the lifting column are internally provided with an adjusting mechanism for controlling the locking and releasing of the fixing seat.

Preferably, the transmission mechanism comprises a main shaft rotatably mounted in the power box and a rack vertically and fixedly mounted on the lifting column, a gear is synchronously sleeved on the main shaft, the gear is in meshed connection with the rack, and a hand wheel is fixedly sleeved at the end part of the main shaft.

Preferably, a locking mechanism is further installed on the main shaft, the locking mechanism is fixedly installed on the power box, and the locking mechanism adopts electromagnetic braking.

Preferably, the universal castor is installed at the bottom of the base, and a locking mechanism is arranged on the universal castor.

Preferably, the fixing base comprises a supporting plate fixedly installed on the lifting column, a through hole for a cable to pass through is formed in the middle of the supporting plate, at least three groups of pins are arranged in a circumferential array by taking the axis of the through hole as a shaft in the supporting plate, and a pressing sheet is rotatably installed on each group of pins.

Preferably, the backup pad is last fixedly provided with the collar, be provided with a plurality of groups of movable groove on the collar for supply the preforming free to pass, coaxial rotation installs the carousel on the collar, correspond a plurality of groups preforming on the carousel and be provided with a plurality of groups of bar grooves respectively, every group the bend of preforming is all fixed to be provided with the guide post, a plurality of groups the guide post is slidable mounting respectively in a plurality of groups of bar grooves.

Preferably, the circumference outer wall of carousel is provided with the tooth, rotate on the lift post and install the transmission shaft, the transmission shaft goes up and down along with the lift post is synchronous, the coaxial fixed cover in tip that the transmission shaft stretches out to the lift post top is equipped with the fluted disc, coaxial being provided with annular tooth on the terminal surface of fluted disc, annular tooth is connected with the tooth meshing on the carousel circumference outer wall.

Preferably, the adjusting mechanism comprises a supporting shaft rotatably arranged at the bottom of the base, the supporting shaft is coaxial with the transmission shaft, a plum blossom shaft is coaxially and fixedly arranged on the supporting shaft, a plum blossom groove is coaxially and penetratingly arranged on the transmission shaft, the transmission shaft is slidably arranged on the plum blossom shaft by means of the plum blossom groove, and the transmission shaft synchronously rotates along with the plum blossom shaft.

Preferably, the worm wheel is coaxially rotatably installed on the supporting shaft, the adjusting shaft is rotatably installed at the bottom of the base, a worm is coaxially sleeved on the adjusting shaft, the worm is in meshed transmission with the worm wheel, and a rocker is fixedly installed at one end, extending out of the base, of the adjusting shaft through the base.

Preferably, the press sheet is crow-bar-shaped, and the rotation axis of the press sheet is close to the corner of the press sheet.

Compared with the prior art, the invention has the beneficial effects that: the fixing seat is arranged at the top end of the lifting column, so that the cable can be clamped and fixed, the cable is prevented from slipping relative to the fixing seat in the process of lifting the cable, the cable can be lifted on the premise of guaranteeing the cable laying length, and the cable length adjustment is not needed after the cable is lifted; the adjusting mechanism for controlling the loosening and fastening of the fixing seat is arranged at the bottom of the base, so that after the cable laying is finished, a person can control the fixing seat to loosen the fastening of the cable on the ground, and convenience is improved.

Drawings

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

FIG. 2 is a schematic view of the structure of the invention without the base installed;

FIG. 3 is a schematic view of the structure of the invention without the base and lifting column installed;

FIG. 4 is an enlarged schematic view of the structure of the portion A in FIG. 3;

FIG. 5 is a schematic exploded view of the structure of the holder;

the reference numerals in the drawings: 1. a base; 2. lifting columns; 3. a fixing seat; 4. a power box; 5. a main shaft; 6. a gear; 7. a locking mechanism; 8. a hand wheel; 9. a rack; 10. a support plate; 11. a pin shaft; 12. tabletting; 13. a mounting ring; 14. a movable groove; 15. a turntable; 16. a guide post; 17. a bar-shaped groove; 18. a transmission shaft; 19. fluted disc; 20. annular teeth; 21. a support shaft; 22. mei Huazhou; 23. plum blossom grooves; 24. a worm wheel; 25. an adjusting shaft; 26. a worm; 27. and (5) a rocker.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

In the description of the present invention, it should be noted that the directions or positional relationships indicated as being "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships based on the drawings are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, or may be internal communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. This example was written in a progressive manner.

As shown in fig. 1 to 5, a cable supporting overhead for laying a line according to the present invention includes: the lifting column 2 is installed on the base 1 in a lifting manner, a fixing seat 3 is arranged at the top of the lifting column 2 and used for fixedly clamping cables, a power box 4 is further arranged on the base 1, and a transmission mechanism used for driving the lifting column 2 to lift relative to the base 1 is installed inside the power box 4; the base 1 and the lifting column 2 are internally provided with an adjusting mechanism for controlling the locking and releasing of the fixed seat 3;

the fixing seat 3 is arranged at the top end of the lifting column 2, so that the cable can be clamped and fixed, the cable is prevented from slipping relative to the fixing seat 3 in the process of lifting the cable, the cable can be lifted on the premise of guaranteeing the cable laying length, and the cable length adjustment is not needed after the cable is lifted; the adjusting mechanism for loosening and fastening the control fixing seat 3 is arranged at the bottom of the base 1, so that after the cable laying is finished, a person can control the fixing seat 3 to loosen the fastening of the cable on the ground, and convenience is improved.

The specific structure of the transmission mechanism is shown in fig. 2, the transmission mechanism comprises a main shaft 5 rotatably arranged in a power box 4 and a rack 9 vertically and fixedly arranged on a lifting column 2, a gear 6 is synchronously sleeved on the main shaft 5, the gear 6 is in meshed connection with the rack 9, and a hand wheel 8 is fixedly sleeved at the end part of the main shaft 5;

the main shaft 5 is also provided with a locking mechanism 7, the locking mechanism 7 is fixedly arranged on the power box 4, the locking mechanism 7 adopts an electromagnetic brake device, when a hand wheel 8 needs to be rotated, the locking mechanism 7 is controlled to be electrified, and at the moment, the locking mechanism 7 releases the rotation restriction on the main shaft 5; after the lifting column 2 is lifted to the required height, the locking mechanism 7 is controlled to be powered off, and at the moment, the locking mechanism 7 locks the main shaft 5, so that the condition that the lifting column 2 slides downwards under the self gravity is prevented.

Further, the bottom of the base 1 is provided with a universal castor, and the universal castor is provided with a locking mechanism; the universal casters are arranged to facilitate the integral movement of the connection structures such as the movable base 1, the lifting column 2 and the like; meanwhile, the base 1 can be pulled and moved by a tractor, so that labor is greatly saved.

Specifically, the fixing seat 3 comprises a supporting plate 10 fixedly installed on the lifting column 2, a through hole for a cable to pass through is formed in the middle of the supporting plate 10, at least three groups of pin shafts 11 are arranged on the supporting plate 10 in a circumferential array by taking the axis of the through hole as a shaft, and a pressing sheet 12 is rotatably installed on each group of pin shafts 11;

specifically, the pressing sheet 12 is in a crow shape, the rotation axis of the pressing sheet 12 is close to the corner of the pressing sheet 12, the supporting plate 10 is fixedly provided with a mounting ring 13, the mounting ring 13 is coaxial with the through hole, the mounting ring 13 is provided with a plurality of groups of movable grooves 14 in a circumferential array for the free penetration of the pressing sheet 12, the mounting ring 13 is coaxially provided with a rotary table 15 in a rotary manner, the rotary table 15 is respectively provided with a plurality of groups of strip grooves 17 corresponding to the plurality of groups of pressing sheets 12, each group of strip grooves 17 is along the radial direction of the rotary table 15, the bending part of each group of pressing sheets 12 is fixedly provided with a guide column 16, and the plurality of groups of guide columns 16 are respectively and slidably arranged in the plurality of groups of strip grooves 17;

how to drive the turntable 15 to rotate along the axis of the turntable 15, the circumferential outer wall of the turntable 15 is provided with teeth, a transmission shaft 18 is rotatably arranged on the lifting column 2, the transmission shaft 18 synchronously lifts along with the lifting column 2, the end part of the transmission shaft 18 extending to the upper part of the lifting column 2 is coaxially and fixedly sleeved with a fluted disc 19, the end surface of the fluted disc 19 is coaxially provided with annular teeth 20, and the annular teeth 20 are meshed and connected with the teeth on the circumferential outer wall of the turntable 15;

in this embodiment, the transmission shaft 18 is driven by the adjusting mechanism at the bottom of the base 1 to rotate anticlockwise by a certain angle, so that the plurality of groups of pressing sheets 12 are all rotated to the outside of the mounting ring 13, the cable passes through the mounting ring 13, and then the transmission shaft 18 is driven by the adjusting mechanism to rotate clockwise by a certain angle, so that the plurality of groups of pressing sheets 12 synchronously extend into the mounting ring 13, and the cable is synchronously pressed and fixed; when the cable is required to be loosened, the transmission shaft 18 is driven to rotate anticlockwise, so that the compression of the cable by the plurality of groups of pressing pieces 12 can be relieved.

Further, as shown in fig. 3 and fig. 4, the specific structure of the adjusting mechanism is that a supporting shaft 21 is rotatably installed at the bottom of the base 1, the supporting shaft 21 is coaxial with the transmission shaft 18, a plum blossom shaft 22 is coaxially and fixedly arranged on the supporting shaft 21, a plum blossom groove 23 is coaxially and penetratingly arranged on the transmission shaft 18, the transmission shaft 18 is slidably installed on the plum blossom shaft 22 by means of the plum blossom groove 23, and the transmission shaft 18 synchronously rotates along with Mei Huazhou 22;

the support shaft 21 is coaxially and rotatably provided with a worm wheel 24, the bottom of the base 1 is rotatably provided with an adjusting shaft 25, the adjusting shaft 25 is coaxially sleeved with a worm 26, the worm 26 is meshed with the worm wheel 24 for transmission, and one end of the adjusting shaft 25 extending out of the base 1 through the base 1 is fixedly provided with a rocker 27;

in this embodiment, the rocker 27 is manually rotated to drive the adjusting shaft 25 to rotate along the axis thereof, and the supporting shaft 21, the plum blossom shaft 22 and the transmission shaft 18 are driven to rotate under the transmission action of the worm wheel 24 and the worm 26, so that the control of the fixing seat 3 is realized, and the synchronous rotation of the transmission shaft 18 and the supporting shaft 21 is realized by means of the plum blossom groove 23 and the plum blossom shaft 22, so that after the lifting column 2 moves relative to the base 1, the transmission shaft 18 can still be driven to rotate by the supporting shaft 21, and convenience is improved.

The invention relates to a cable overhead for laying a line, which is characterized in that in the working process:

firstly, a rocker 27 is manually rotated to drive an adjusting shaft 25 to rotate along the axis of the rocker, under the transmission action of a worm wheel 24 and a worm 26, a supporting shaft 21, a plum blossom shaft 22 and a transmission shaft 18 are driven to rotate anticlockwise by a certain angle, a rotary table 15 is driven to rotate clockwise, under the guiding action of a bar groove 17 and a guide post 16, a plurality of groups of pressing sheets 12 are stirred to rotate clockwise along the rotation shaft of the rocker respectively, so that the plurality of groups of pressing sheets 12 rotate outside a mounting ring 13, a cable passes through the mounting ring 13, then the rocker 27 is manually rotated to rotate, the transmission shaft 18 is driven to rotate clockwise by a certain angle, the rotary table 15 is driven to rotate anticlockwise, under the guiding action of the bar groove 17 and the guide post 16, the plurality of groups of pressing sheets 12 are stirred to rotate anticlockwise along the rotation shaft respectively, so that the plurality of groups of pressing sheets 12 synchronously extend into the mounting ring 13 and are synchronously pressed and fixed;

then, through controlling the power on of the locking mechanism 7, at this moment, the locking mechanism 7 releases the rotation restriction to the main shaft 5, and through manual rotation of the hand wheel 8, the gear 6 drives the rack 9 to lift, and then adjusts the height of the lifting column 2 relative to the base 1, and after adjusting the lifting column 2 to a proper height, the power off of the locking mechanism 7 is controlled, so that the locking mechanism 7 locks the main shaft 5, and the condition of falling down under the self gravity of the lifting column 2 is prevented.

The cable overhead for laying the line is arranged in a common mechanical mode, and the installation mode, the connection mode or the setting mode can be implemented as long as the beneficial effects can be achieved.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.

Claims

1. A cable stay for laying a line, comprising: the lifting column (2) is installed on the base (1) in a lifting manner, a fixing seat (3) is arranged at the top of the lifting column (2) and used for fixedly clamping cables, a power box (4) is further arranged on the base (1), and a transmission mechanism used for driving the lifting column (2) to lift relative to the base (1) is installed in the power box (4); the base (1) and the lifting column (2) are internally provided with an adjusting mechanism for controlling the locking and releasing of the fixing seat (3).

2. A cable support for laying a line according to claim 1, characterized in that the transmission mechanism comprises a main shaft (5) rotatably mounted in the power box (4) and a rack (9) vertically and fixedly mounted on the lifting column (2), the main shaft (5) is synchronously sleeved with a gear (6), the gear (6) is meshed with the rack (9), and the end part of the main shaft (5) is fixedly sleeved with a hand wheel (8).

3. A cable support for laying a line according to claim 2, characterized in that the main shaft (5) is further provided with a locking mechanism (7), the locking mechanism (7) is fixedly arranged on the power box (4), and the locking mechanism (7) adopts electromagnetic braking.

4. A cable stay for laying a line according to claim 1, characterized in that the base (1) is provided with casters at the bottom and that the casters are provided with locking means.

5. A cable supporting frame for laying a line according to claim 1, characterized in that the fixing base (3) comprises a supporting plate (10) fixedly installed on the lifting column (2), a through hole for the cable to pass through is formed in the middle of the supporting plate (10), at least three groups of pins (11) are arranged on the supporting plate (10) in a circumferential array by taking the axis of the through hole as an axis, and a pressing sheet (12) is rotatably installed on each group of pins (11).

6. A cable supporting frame for laying a line according to claim 5, characterized in that a mounting ring (13) is fixedly arranged on the supporting plate (10), a plurality of groups of movable grooves (14) are arranged on the mounting ring (13) and used for the free penetration of pressing sheets (12), a rotary table (15) is coaxially and rotatably arranged on the mounting ring (13), a plurality of groups of strip-shaped grooves (17) are respectively arranged on the rotary table (15) corresponding to the plurality of groups of pressing sheets (12), guide posts (16) are fixedly arranged at the bending positions of each group of pressing sheets (12), and the plurality of groups of guide posts (16) are respectively and slidably arranged in the plurality of groups of strip-shaped grooves (17).

7. The cable supporting and elevating frame for laying lines according to claim 6, wherein teeth are arranged on the circumferential outer wall of the rotary disc (15), a transmission shaft (18) is rotatably arranged on the lifting column (2), the transmission shaft (18) synchronously lifts along with the lifting column (2), a fluted disc (19) is coaxially and fixedly sleeved at the end part of the transmission shaft (18) extending to the upper part of the lifting column (2), annular teeth (20) are coaxially arranged on the end surface of the fluted disc (19), and the annular teeth (20) are in meshed connection with the teeth on the circumferential outer wall of the rotary disc (15).

8. A cable support for laying a line according to claim 7, characterized in that the adjusting mechanism comprises a supporting shaft (21) rotatably mounted at the bottom of the base (1), the supporting shaft (21) is coaxial with the transmission shaft (18), mei Huazhou (22) is coaxially and fixedly arranged on the supporting shaft (21), a plum blossom groove (23) is coaxially and penetratingly arranged on the transmission shaft (18), the transmission shaft (18) is slidably mounted on Mei Huazhou (22) by means of the plum blossom groove (23), and the transmission shaft (18) synchronously rotates along with the plum blossom shaft (22).

9. The cable supporting frame for laying a line according to claim 8, wherein a worm wheel (24) is coaxially rotatably mounted on the supporting shaft (21), an adjusting shaft (25) is rotatably mounted at the bottom of the base (1), a worm (26) is coaxially sleeved on the adjusting shaft (25), the worm (26) is meshed with the worm wheel (24) for transmission, and a rocker (27) is fixedly mounted at one end, extending out of the base (1), of the adjusting shaft (25) through the base (1).

10. A cable stay for laying a wire according to claim 6, wherein the presser piece (12) is crowbar-like, and the rotation axis of the presser piece (12) is located near the corner of the presser piece (12).