CN212646794U

CN212646794U - Detection device for long-distance medium-high voltage transmission line

Info

Publication number: CN212646794U
Application number: CN202021013301.5U
Authority: CN
Inventors: 姚喜旺; 庄浩; 马立冬
Original assignee: Tianjin Haineng Electric Power Construction Co ltd
Current assignee: Tianjin Haineng Electric Power Construction Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-03-02
Anticipated expiration: 2030-06-05

Abstract

The utility model provides a detection apparatus for be used for remote medium and high voltage transmission line, including box and slidable mounting in the first clamp splice and the second clamp splice of box top both sides, be provided with clamping mechanism between first clamp splice and second clamp splice and the box, be provided with stop gear on the second clamp splice. Utilize the utility model discloses a detection device for long-distance medium and high voltage transmission line of technical scheme preparation, carry out the location centre gripping of device through clamping mechanism and stop gear, and it is more convenient to operate, and stop gear carries on spacingly through worm gear's structure, have from the locking nature, tear the second hand rocker after the location is accomplished, can prevent external impact or vibrations, make the limiting plate take place to slide and influence the location effect, and simultaneously, be provided with the buffering subassembly between voltage sensor and box, can perhaps strike novel buffering to the vibrations of horizontal direction, protect voltage sensor.

Description

Detection device for long-distance medium-high voltage transmission line

Technical Field

The utility model belongs to the technical field of transmission line check out test set, especially, relate to a detection device for remote medium and high voltage transmission line.

Background

When long-distance power transmission is carried out, a high-voltage power transmission mode is basically selected, and the voltage output by the generator is boosted by a transformer for a power plant and then transmitted, so that the heat loss of current and the cost of transmission materials in the long-distance power transmission process can be greatly reduced, and therefore detection equipment is needed for detecting the voltage condition of the power transmission line in the power transmission line.

In the publication of: one name of CN209911488U is: in the prior patent of a high tension transmission line real-time detection device, a high tension transmission line detection device is disclosed, wherein the installation of fixing a position is carried out through a first threaded rod and a second threaded rod, and the voltage sensor is protected against shock through a support plate, a slide bar and a second spring, however, the following defects still exist in the technology:

1. the two first threaded rods cannot be synchronously controlled, and the whole device can be laterally deviated after clamping and positioning;

2. the high-voltage transmission line is often erected at a high position, and after the box body is positioned, once the second screw rod is loosened, the positioning is unstable;

3. the combination of the support plate, the slide bar, the second spring and the first spring cannot buffer the vibration and impact in the horizontal direction, and comprehensive protection cannot be performed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem, a detection device for remote medium-high voltage transmission line has been designed.

The technical scheme of the utility model be, a detection device for be used for remote medium and high voltage transmission line, including box and slidable mounting in the first clamp splice and the second clamp splice of box top both sides, be provided with clamping mechanism between first clamp splice and second clamp splice and the box, be provided with stop gear on the second clamp splice.

The limiting mechanism comprises a limiting plate which is slidably mounted on the top surface of the second clamping block, a limiting worm wheel which is arranged in the second clamping block in a rotating frame mode and a limiting worm which is rotatably mounted in the second clamping block and meshed with the limiting worm wheel.

The bottom of the limiting plate is provided with a tooth-shaped strip, the tooth-shaped strip is meshed with the limiting worm wheel, and two sides of the bottom surface of the limiting plate are provided with rubber cushions.

And a second hand rocker is detachably connected to one end of the limiting worm, which is positioned outside the second clamping block.

And the first clamping block is provided with a limiting sliding groove matched with the limiting plate.

Clamping mechanism installs the tight axle of clamp at the box top including rotating, first clamp splice and second clamp splice connect respectively through screw-thread fit establish with the both sides of tight axle of clamp, the detachable connecing of one end of tight axle of clamp is equipped with first hand rocker.

Be provided with voltage sensor in the box, be provided with damping spring between the both sides of voltage sensor bottom surface and the bottom plate in the box, be provided with buffer assembly between voltage sensor's the side and the inner wall of box.

The buffer assembly comprises a buffer core rod, a buffer sleeve rod, a buffer spring and two buffer bases, wherein the movable end of the buffer sleeve rod is sleeved on the movable end of the buffer core rod, the buffer bases are respectively rotatably sleeved on the buffer core rod and the positioning ends of the buffer sleeve rod, one end of the buffer spring is fixed on the buffer core rod, and the other end of the buffer spring is fixed on the buffer sleeve rod.

The positioning ends of the buffer loop rod, the buffer core rod and the buffer base are all spherical, and the buffer base is a rubber base.

Handles are arranged on two sides of the box body.

Utilize the utility model discloses a detection device for long-distance medium and high voltage transmission line of technical scheme preparation, carry out the location centre gripping of device through clamping mechanism and stop gear, and it is more convenient to operate, and stop gear carries on spacingly through worm gear's structure, have from the locking nature, tear the second hand rocker after the location is accomplished, can prevent external impact or vibrations, make the limiting plate take place to slide and influence the location effect, and simultaneously, be provided with the buffering subassembly between voltage sensor and box, can perhaps strike novel buffering to the vibrations of horizontal direction, protect voltage sensor.

Drawings

FIG. 1 is an overall structural view;

FIG. 2 is a cross-sectional view of a limiting plate;

fig. 3 is a structural view of a buffer assembly.

In the figure: 1. a box body; 2. a first clamping block; 3. a second clamp block; 4. a limiting plate; 5. a limiting worm gear; 6. a limiting worm; 7. a toothed strip; 8. a rubber cushion; 9. a second hand rocker; 10. a limiting chute; 11. a clamping shaft; 12. a first hand rocker; 13. a voltage sensor; 14. a damping spring; 15. buffering the core rod; 16. a buffer loop bar; 17. a buffer spring; 18. a buffer base; 19. a handle.

Detailed Description

The detailed description of the specific embodiments of the present invention is described below with reference to the accompanying drawings, as shown in fig. 1 and 2, a detection apparatus for a remote medium-high voltage transmission line includes a box 1 and a first clamping block 2 and a second clamping block 3 slidably mounted on both sides of the top of the box 1, a clamping mechanism is provided between the first clamping block 2 and the second clamping block 3 and the box 1, a limiting mechanism is provided on the second clamping block 3, the clamping mechanism is installed on a clamping shaft 11 at the top of the box 1 by rotation, the first clamping block 2 and the second clamping block 3 are respectively connected with both sides of the clamping shaft 11 by screw-thread fit, and a first hand rocker 12 is detachably connected with one end of the clamping shaft 11.

In the utility model, the distance between the first clamping block 2 and the second clamping block 3 is adjusted by the clamping mechanism to primarily clamp the line, and then the line is further positioned by the limiting mechanism, wherein the clamping mechanism comprises a clamping shaft 11 rotatably installed at the top of the box body 1, the first clamping block 2 and the second clamping block 3 are respectively connected with two sides of the clamping shaft 11 by screw thread fit, thus, the first clamping block 2 and the second clamping block 3 are driven to move by the rotation of the clamping shaft 11, it is required to be explained that the first clamping block 2 and the second clamping block 3 are matched with the screw thread of the clamping shaft 11, the first clamping block 2 and the second clamping block 3 can be relatively close to or far away from each other at the same speed, the first hand rocker 12 is driven by the first hand rocker 12 during the rotation of the clamping shaft 11, the first hand rocker 12 is detachably installed at one end of the clamping shaft 11, when the clamping shaft 11 needs to rotate, the constructor only needs to connect first rocker 12, rotates clamping shaft 11 through first rocker 12 afterwards, makes first clamp splice 2 and second clamp splice 3 be close to each other and presss from both sides tightly can.

Stop gear includes limiting plate 4 of slidable mounting on 3 top surfaces of second clamp splice, and spacing worm wheel 5 and rotation that the rotating turret was located in the second clamp splice 3 install in the second clamp splice 3 and with spacing worm wheel 5 engaged with spacing worm 6, the bottom of limiting plate 4 is equipped with profile of tooth strip 7, profile of tooth strip 7 meshes with spacing worm wheel 5 mutually, the both sides of limiting plate 4 bottom surface are provided with rubber cushion 8, spacing worm 6 is located the outer one of second clamp splice 3 and serves the detachable second hand rocker 9 that connects, set up the spacing spout 10 with limiting plate 4 looks adaptation on the first clamp splice 2.

The location of stop gear is realized in the spacing spout 10 through removing limiting plate 4 to first splint 2, and the removal process of limiting plate 4 is: the constructor rotates the second hand rocker 9 manually, drives the limiting worm 6 to rotate, drives the limiting worm wheel 5 meshed with the limiting worm 6 to rotate, and because the bottom of the limiting plate 4 is provided with the toothed strip 7, and the toothed strip 7 is meshed with the limiting worm wheel 5, the limiting worm wheel 5 can drive the limiting plate 4 to slide on the second clamping block 3 while rotating, so that the limiting plate 3 gradually slides to the limiting sliding groove 10 on the first clamping block 2, and the device can be positioned.

Wherein second-hand rocker 9 is detachable, and the constructor connects earlier and establishes second-hand rocker 9 before fixing a position, makes drive worm 6 rotatory through rotating second-hand rocker 9, and first-hand rocker 12 and second-hand rocker 9 adopt same dismouting mode and overall dimension, so, first-hand rocker 12 and second-hand rocker 9 are general, and in actual installation, the constructor only need carry a hand rocker can all drive clamping mechanism and stop gear, accomplishes the installation of equipment.

Because high tension transmission line often sets up at the eminence, takes place easily after detection device installs and rocks or receive the impact, the utility model discloses in, stop gear uses worm gear's transmission mode, has auto-lock nature, simultaneously, after the installation is accomplished, after constructor removed second hand rocker 9 and first hand rocker 12, can reduce external factor to the influence of structure, further guarantees the stability of limiting plate 4, first clamp splice 2, second clamp splice 3 position.

As shown in fig. 1 and 3, a voltage sensor 13 is arranged in the box body 1, a damping spring 14 is arranged between two sides of the bottom surface of the voltage sensor 13 and a bottom plate in the box body 1, a buffer component is arranged between the side surface of the voltage sensor 13 and the inner wall of the box body 1, the buffer component comprises a buffer core rod 15, a buffer loop rod 16, a buffer spring 17 and two buffer bases 18, the movable end of the buffer sleeve rod 16 is sleeved on the movable end of the buffer core rod 15, the buffer base 18 is respectively sleeved on the buffer core rod 15 and the positioning end of the buffer sleeve rod 16 in a rotating way, one end of the buffer spring 17 is fixed on the buffer core rod 15 and the other end is fixed on the buffer loop bar 16, the positioning ends of the buffer loop bar 16, the buffer core bar 15 and the buffer base 18 are all spherical, the buffer base 18 is a rubber base, and handles 19 are arranged on two sides of the box body 1.

Voltage sensor 13 installs inside box 1, receives when strikeing or vibrations when box 1, can cause the influence to voltage sensor 13, consequently is in the utility model discloses in cushion and offset the impact that voltage sensor 13 received through damping spring 14 and buffer assembly.

Wherein, the damping spring 14 has a buffering effect on the impact in the vertical direction, the buffering assembly comprises a buffering core rod 15, a buffering loop rod 16, a buffering spring 17 and two buffering bases 18, the movable end of the buffering core rod 15 is embedded in the movable end of the buffering loop rod 16, the buffering spring 17 is arranged between the buffering core rod 15 and the buffering loop rod 16, when the impact is received, the buffering core rod 15 slides in the buffering loop rod 16 to extrude the buffering spring 17 to offset the impact, meanwhile, the positioning ends of the buffering core rod 15 and the buffering loop rod 16 are both spherical and are rotatably embedded in the buffering bases 18, therefore, no matter the voltage sensor 13 is impacted in the horizontal direction, the vertical direction or other directions, the buffering core rod 15 and the buffering loop rod 16 can rotate relative to the buffering bases 18, and simultaneously, the buffering core rod 15 and the buffering loop rod 16 can relatively slide, the buffer spring 17 is compressed or extended to buffer and cancel the external force, and the buffer base 18 is a rubber base to further reduce the impact of the external force on the voltage sensor 13.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a detection apparatus for be arranged in remote high voltage transmission line, includes box (1) and slidable mounting in first clamp splice (2) and second clamp splice (3) of box (1) top both sides, its characterized in that: clamping mechanisms are arranged between the first clamping block (2) and the box body (1) and between the second clamping block (3) and the box body (1), and limiting mechanisms are arranged on the second clamping block (3).

2. The detection device for the long-distance medium-high voltage transmission line according to claim 1, wherein: limiting mechanism includes limiting plate (4) of slidable mounting on second clamp splice (3) top surface, and the spacing worm wheel (5) of erectting in second clamp splice (3) and rotating install in second clamp splice (3) and with spacing worm (6) of spacing worm wheel (5) looks meshing.

3. The detection device for the long-distance medium-high voltage transmission line according to claim 2, wherein: the bottom of limiting plate (4) is equipped with profile of tooth strip (7), profile of tooth strip (7) and spacing worm wheel (5) mesh mutually, the both sides of limiting plate (4) bottom surface are provided with rubber cushion (8).

4. The detection device for the long-distance medium-high voltage transmission line according to claim 2, wherein: one end of the limiting worm (6) positioned outside the second clamping block (3) is detachably connected with a second hand rocker (9).

5. The detection device for the long-distance medium-high voltage transmission line according to claim 1, wherein: and the first clamping block (2) is provided with a limiting sliding groove (10) matched with the limiting plate (4).

6. The detection device for the long-distance medium-high voltage transmission line according to claim 1, wherein: clamping mechanism installs in the tight axle of clamp (11) at box (1) top including rotating, first clamp splice (2) and second clamp splice (3) connect respectively through screw-thread fit establish with the both sides of pressing from both sides tight axle (11), the detachable connecing of one end of pressing from both sides tight axle (11) is equipped with first hand rocker (12).

7. The detection device for the long-distance medium-high voltage transmission line according to claim 1, wherein: the novel energy-saving box is characterized in that a voltage sensor (13) is arranged in the box body (1), a damping spring (14) is arranged between two sides of the bottom surface of the voltage sensor (13) and a bottom plate in the box body (1), and a buffering assembly is arranged between the side surface of the voltage sensor (13) and the inner wall of the box body (1).

8. The detection device for the long-distance medium-high voltage transmission line according to claim 7, wherein: the buffer assembly comprises a buffer core rod (15), a buffer loop bar (16), a buffer spring (17) and two buffer bases (18), wherein the movable end of the buffer loop bar (16) is sleeved on the movable end of the buffer core rod (15), the buffer bases (18) are respectively rotatably sleeved on the positioning ends of the buffer core rod (15) and the buffer loop bar (16), and one end of the buffer spring (17) is fixed on the buffer core rod (15) and the other end of the buffer spring is fixed on the buffer loop bar (16).

9. The detection device for the long-distance medium-high voltage transmission line according to claim 8, wherein: the positioning ends of the buffer loop bar (16) and the buffer core bar (15) connected with the buffer base (18) are all spherical, and the buffer base (18) is a rubber base.

10. The detection device for the long-distance medium-high voltage transmission line according to claim 1, wherein: handles (19) are arranged on two sides of the box body (1).