CN115548904A - Ring main unit with device auxiliary supporting structure - Google Patents

Abstract

The invention is suitable for the field of ring main units, and provides a ring main unit with a device auxiliary supporting structure, which comprises a ring main unit body and a cabinet door rotatably connected to the ring main unit body, and further comprises: first direction slider and lifter, the looped netowrk cabinet internal wall is provided with first direction spout, first direction slider sliding connection is in first direction spout, first direction spout and first direction slider are provided with two sets ofly. Adjust the height of first direction slider in first direction spout from top to bottom, make the clamping component be located the mounting height of device, then restrict the first direction slider of landing subassembly restriction and slide down, the clamping component carries out the centre gripping to the device, the movable arm subassembly is delivered to the internal mounted position of looped netowrk cabinet with the device on the clamping component, the workman fixes the device internally at the looped netowrk cabinet through the mode of screwing up screw bolt and nut, the installation effectiveness of device is improved, if the device is heavier, the clamping component also can carry out auxiliary stay to the device, and then reduce the atress of looped netowrk cabinet internal wall.

Description

Ring main unit with device auxiliary supporting structure

Technical Field

The invention belongs to the field of ring main units, and particularly relates to a ring main unit with an auxiliary device supporting structure.

Background

The Ring Main Unit (Ring Main Unit) is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval Ring Main power supply Unit, and the core part of the Ring Main Unit adopts a load switch and a fuse, so that the Ring Main Unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like.

A plurality of mounting holes are drilled in the ring main unit, and when devices such as a load switch and a fuse are mounted in the ring main unit, a bolt generally penetrates through the mounting holes and the mounting holes in the devices, then a nut is screwed on the bolt, and then the devices such as the load switch and the fuse are fixed on the inner wall of the ring main unit.

When current looped netowrk cabinet equipment or overhaul and change the interior device of looped netowrk cabinet, when the installation or when dismantling the device that weight is lighter, need support the device with one hand, then the screw bolt and nut are screwed up or dismantled to another hand, when the installation or when dismantling the device that weight is heavier, need two people to cooperate, support the device alone, another individual fixes the device on looped netowrk cabinet, leads to carrying out the device installation or dismantling comparatively troublesome to current looped netowrk cabinet.

Disclosure of Invention

The embodiment of the invention aims to provide a ring main unit with an auxiliary device supporting structure, and aims to solve the problem that the existing ring main unit is troublesome in device installation or disassembly.

The invention is realized in this way, a ring main unit with device auxiliary supporting structure, including the ring main unit, and the cabinet door that rotates and connects on the ring main unit, also include:

the inner wall of the ring main body is provided with a first guide sliding groove, the first guide sliding blocks are connected in the first guide sliding groove in a sliding manner, two groups of the first guide sliding grooves and the first guide sliding blocks are arranged, and two ends of the lifting rod are respectively fixedly connected with the two first guide sliding blocks;

the sliding-down limiting assembly is used for limiting the first guide sliding block to slide downwards and is arranged on the lifting rod;

the device comprises a movable arm assembly and a clamping assembly, wherein the clamping assembly is arranged on a lifting rod through the movable arm assembly, the clamping assembly is used for clamping a device, and the movable arm assembly is used for adjusting the horizontal clamping range of the clamping assembly.

Further technical scheme, restriction landing subassembly includes ratchet plate, second direction slider, spacing tooth, extension spring and connection rope, ratchet plate fixes in first direction spout, be provided with the first groove of dodging on the first direction slider, ratchet plate sets up at the first inslot of dodging, be provided with second direction spout on the lifter, second direction slider sliding connection is in second direction spout, spacing tooth is fixed on second direction slider, and spacing tooth and the meshing cooperation of ratchet plate, the both ends of extension spring are connected with second direction slider and second direction spout lateral wall respectively, the one end and the second direction slider of connecting the rope are connected.

Further technical scheme, ratchet plate, second direction slider, spacing tooth and extension spring all are provided with two sets ofly, and connect the both ends of rope and be connected with two second direction sliders respectively, it dodges the groove to be provided with the second on the lifter, the middle part of connecting the rope is connected with the stay cord, and the stay cord dodges the groove through the second and stretches out the lifter.

Further technical scheme, the digging arm subassembly includes first direction sliding sleeve, direction slide bar, second direction sliding sleeve and swing arm, first direction sliding sleeve sliding connection is on the lifter, the direction slide bar is fixed on first direction slide bar, second direction sliding sleeve sliding connection is on the direction slide bar, the swing arm rotates to be connected on the swing arm, the centre gripping subassembly sets up on the swing arm.

According to a further technical scheme, the first guide sliding sleeve is provided with a long groove for avoiding the stay rope.

Further technical scheme, the centre gripping subassembly includes L shape fixed plate, splint, silk axle and knob, L shape fixed plate rotates to be connected on the swing arm, be provided with third direction spout on the L shape fixed plate, splint sliding connection is in the third direction spout, the silk axle rotates to be connected in the third direction spout, and splint and silk axle threaded connection, the end at the silk axle is fixed to the knob.

A supporting method is adopted for any ring main unit with the device auxiliary supporting structure, and the method comprises the following steps:

step one, adjusting the height of a lifting rod to enable the mounting height of a clamping assembly to be the same as that of a device;

step two, the sliding-down limiting assembly limits the lifting rod to move downwards;

step three, the clamping assembly clamps the device;

and step four, the movable arm component moves the device to the installation position in the ring main unit body.

According to the ring main unit with the device auxiliary supporting structure, when the device is installed in the ring main unit body, the height of the first guide sliding block in the first guide sliding groove is adjusted up and down, the clamping assembly is located at the installation height of the device, then the sliding assembly is limited to limit the first guide sliding block to slide downwards, the clamping assembly clamps the device, the movable arm assembly sends the device on the clamping assembly to the installation position in the ring main unit body, the device is further supported when the device is installed, and at the moment, a worker fixes the device in the ring main unit body in a mode of screwing a bolt and a nut, so that the installation efficiency of the device is improved; when overhauing or changing the internal device of looped netowrk cabinet, adjust the height of first direction slider in first direction spout from top to bottom, make the clamping component be located the mounting height of device, then restriction landing subassembly restriction first direction slider slides downwards, the digging arm subassembly delivers clamping component to the mounted position of the internal device of looped netowrk cabinet, clamping component carries out the centre gripping to the device, and then support the device, then the workman twists bolt and nut, can accomplish the dismantlement of device, the digging arm subassembly with the device see off the looped netowrk cabinet body can, and then improve the installation of device and the efficiency of dismantling, thereby alleviate workman's intensity of labour, if the device is heavier, clamping component also can carry out the auxiliary stay to the device, and then reduce the atress of looped netowrk cabinet body inner wall.

Drawings

Fig. 1 is a schematic structural diagram of a ring main unit with an auxiliary device supporting structure according to an embodiment of the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic illustration of the structure of the movable arm assembly of FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a schematic bottom view of the movable arm assembly of FIG. 1 in accordance with an embodiment of the present invention;

FIG. 5 is an enlarged structural view of A in FIG. 1 according to an embodiment of the present invention;

FIG. 6 is an enlarged structural diagram of B in FIG. 2 according to an embodiment of the present invention;

fig. 7 is an enlarged schematic structural diagram of C in fig. 1 according to an embodiment of the present invention.

In the drawings: the looped network cabinet body 101, a first guide sliding groove 102, a first guide sliding block 103, a lifting rod 104, a sliding limiting component 2, a first avoidance groove 201, a ratchet plate 202, a second guide sliding groove 203, a second guide sliding block 204, a limit tooth 205, a tension spring 206, a connecting rope 207, a second avoidance groove 208, a pull rope 209, a movable arm component 3, a first guide sliding sleeve 301, a guide sliding rod 302, a second guide sliding sleeve 303, a swing arm 304, a clamping component 4, an L-shaped fixing plate 401, a clamping plate 402, a third guide sliding groove 403, a screw shaft 404 and a knob 405.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1 and fig. 2, a ring main unit with an auxiliary device supporting structure provided for an embodiment of the present invention includes a ring main unit 101, and a cabinet door rotatably connected to the ring main unit 101, and is characterized by further including:

the inner wall of the ring main body 101 is provided with a first guide sliding groove 102, the first guide sliding blocks 103 are slidably connected in the first guide sliding groove 102, two groups of the first guide sliding grooves 102 and the first guide sliding blocks 103 are arranged, and two ends of the lifting rod 104 are respectively fixedly connected with the two first guide sliding blocks 103;

the sliding-down limiting assembly 2 is used for limiting the first guide sliding block 103 to slide downwards, and the sliding-down limiting assembly 2 is arranged on the lifting rod 104;

the movable arm component 3 and the clamping component 4, the clamping component 4 is arranged on the lifting rod 104 through the movable arm component 3, the clamping component 4 is used for clamping a device, and the movable arm component 3 is used for adjusting the horizontal clamping range of the clamping component 4.

In the embodiment of the invention, when a device is installed in the ring main unit 101, the height of the first guide slider 103 in the first guide chute 102 is adjusted up and down, so that the clamping component 4 is located at the installation height of the device, then the sliding component 2 is limited to limit the first guide slider 103 to slide downwards, the clamping component 4 clamps the device, the movable arm component 3 sends the device on the clamping component 4 to the installation position in the ring main unit 101, and further supports the device when the device is installed, at the moment, a worker fixes the device in the ring main unit 101 in a manner of screwing a bolt and a nut, so that the installation efficiency of the device is improved; when the device in the ring main unit 101 is repaired or replaced, the height of the first guide slider 103 in the first guide chute 102 is adjusted up and down, so that the clamping component 4 is located at the installation height of the device, then the sliding component 2 is limited to limit the first guide slider 103 to slide downwards, the movable arm component 3 sends the clamping component 4 to the installation position of the device in the ring main unit 101, the clamping component 4 clamps the device and supports the device, then a worker unscrews a bolt and a nut, the device can be disassembled, the movable arm component 3 sends the device out of the ring main unit 101, the installation and disassembly efficiency of the device is improved, the labor intensity of the worker is reduced, if the device is heavy, the clamping component 4 can also support the device in an auxiliary manner, and the stress on the inner wall of the ring main unit 101 is reduced.

As shown in fig. 1, 2, 5, 6 and 7, as a preferred embodiment of the present invention, the sliding-down limiting assembly 2 includes a ratchet plate 202, a second guide slider 204, a limiting tooth 205, a tension spring 206 and a connecting rope 207, the ratchet plate 202 is fixed in the first guide sliding groove 102, the first guide slider 103 is provided with a first avoidance groove 201, the ratchet plate 202 is disposed in the first avoidance groove 201, the lifting rod 104 is provided with a second guide sliding groove 203, the second guide slider 204 is slidably connected in the second guide sliding groove 203, the limiting tooth 205 is fixed on the second guide slider 204, the limiting tooth 205 is in meshing fit with the ratchet plate 202, two ends of the tension spring 206 are respectively connected with the second guide slider 204 and the side wall of the second guide sliding groove 203, one end of the connecting rope 207 is connected with the second guide slider 204, the ratchet plate 202, the second guide slider 204, the limiting tooth 205 and the tension spring 206 are provided with two sets, two ends of the connecting rope 207 are respectively connected with the two second guide sliders 204, the middle of the lifting rope 207 is connected with the second guide sliding groove 204, and the lifting rope 207 is connected with the second guide slider 204, and the lifting rope 209, and the lifting rope 207 is connected with the second guide sliding rope 209, and the lifting rope 207 is connected with the lifting rope 209, and the lifting rope 209.

In the embodiment of the present invention, when the height of the lifting rod 104 is adjusted downward, the pulling rope 209 is pulled, the pulling rope 209 pulls the second guiding sliding block 204 to move through the connecting rope 207, the second guiding sliding block 204 drives the limiting teeth 205 to move, so that the limiting teeth 205 are not engaged with the ratchet plate 202, at this time, the lifting rod 104 is pulled downward to a proper position, then the pulling rope 209 is loosened, the tension spring 206 pulls the second guiding sliding block 204 to move in the opposite direction, so that the second guiding sliding block 204 drives the limiting teeth 205 to engage with the ratchet plate 202, and when the height of the lifting rod 104 is adjusted upward, the lifting rod 104 is only pushed upward.

As shown in fig. 1 to 4, as a preferred embodiment of the present invention, the movable arm assembly 3 includes a first guide sliding sleeve 301, a guide sliding rod 302, a second guide sliding sleeve 303, and a swing arm 304, the first guide sliding sleeve 301 is slidably connected to the lifting rod 104, the guide sliding rod 302 is fixed on the first guide sliding sleeve 301, the second guide sliding sleeve 303 is slidably connected to the guide sliding rod 302, the swing arm 304 is rotatably connected to the swing arm 304, the clamping assembly 4 is disposed on the swing arm 304, and a long groove for avoiding the pulling rope 209 is disposed on the first guide sliding sleeve 301.

In the embodiment of the invention, the first guide sliding sleeve 301 is pushed to move on the lifting rod 104, the left and right installation positions of the device are adjusted, the swing arm 304 is rotated, the left and right installation positions or the front and back installation positions of the device can be adjusted, the second guide sliding sleeve 303 is pushed to move on the guide sliding rod 302, the front and back installation positions of the device are adjusted, then the installation direction of the device is adjusted by rotating the L-shaped fixing plate 401, and further the device is conveniently installed at each position in the ring main unit 101.

As shown in fig. 3 and 4, as a preferred embodiment of the present invention, the clamping assembly 4 includes an L-shaped fixing plate 401, a clamping plate 402, a screw shaft 404 and a knob 405, the L-shaped fixing plate 401 is rotatably connected to the swing arm 304, the L-shaped fixing plate 401 is provided with a third guide sliding groove 403, the clamping plate 402 is slidably connected in the third guide sliding groove 403, the screw shaft 404 is rotatably connected in the third guide sliding groove 403, the clamping plate 402 is in threaded connection with the screw shaft 404, and the knob 405 is fixed at the end of the screw shaft 404.

In the embodiment of the invention, a device is placed on the L-shaped fixing plate 401, or the L-shaped fixing plate 401 is moved to the lower part of the device, so that the L-shaped fixing plate 401 is contacted with the lower end, the knob 405 is rotated, the knob 405 drives the screw shaft 404 to rotate, the screw shaft 404 drives the clamping plate 402 to move in a threaded transmission mode, and the device can be clamped under the matching of the clamping plate 402 and the L-shaped fixing plate 401.

As shown in fig. 1 to fig. 7, a supporting method provided for an embodiment of the present invention adopts the ring main unit with the device auxiliary supporting structure described in the above embodiment, and the method includes the following steps:

step one, adjusting the height of the lifting rod 104 to ensure that the mounting height of the clamping component 4 is the same as that of a device;

step two, the sliding-down limiting component 2 limits the lifting rod 104 to move downwards;

step three, the clamping component 4 clamps the device;

and step four, the movable arm assembly 3 moves the device to the installation position in the ring main unit 101.

In the embodiment of the invention, when the device is disassembled, the pull rope 209 is pulled, the pull rope 209 pulls the second guide sliding block 204 to move through the connecting rope 207, the second guide sliding block 204 drives the limit teeth 205 to move, so that the limit teeth 205 are not meshed with the ratchet plate 202, at this time, the lifting rod 104 is pulled downwards to a proper position, then the pull rope 209 is loosened, the tension spring 206 pulls the second guide sliding block 204 to move reversely, so that the second guide sliding block 204 drives the limit teeth 205 to be meshed with the ratchet plate 202, so that the L-shaped fixing plate 401 and the device are at the same height, then the screw shaft 404 is driven to rotate by moving the position of the first guide sliding sleeve 301 on the lifting rod 104, adjusting the position of the second guide sliding sleeve 303 on the guide sliding rod 302 and rotating the swing arm 304 or the L-shaped fixing plate 401, so that the L-shaped fixing plate 401 is contacted with the lower surface of the device, the knob 405 is rotated, the screw shaft 404 drives the clamping plate 402 to move through screw transmission, the device can be clamped under the cooperation of the clamping plate 402 and the device can be disassembled, and the nut 401 can be screwed, and then the device can be disassembled; when the device is installed, the device is placed on the L-shaped fixing plate 401, the knob 405 is rotated, the knob 405 drives the screw shaft 404 to rotate, the screw shaft 404 drives the clamping plate 402 to move in a thread transmission mode, the device can be clamped under the matching of the clamping plate 402 and the L-shaped fixing plate 401, the pull rope 209 is pulled, the pull rope 209 pulls the second guide sliding block 204 to move through the connecting rope 207, the second guide sliding block 204 drives the limit tooth 205 to move, the limit tooth 205 is not meshed with the ratchet plate 202, at the moment, the lifting rod 104 is pulled downwards or upwards to a proper position, then the pull rope 209 is loosened, the device can be limited to move downwards, then the position of the second guide sliding sleeve 303 on the guide sliding rod 302 is adjusted by moving the position of the first guide sliding sleeve 301 on the lifting rod 104, and the swinging arm 304 or the L-shaped fixing plate 401 is rotated, the device is sent to an installation position, the L-shaped fixing plate 401 supports the device, at the time, a worker fixes the device in the looped network cabinet body 101 in a screw and can be supported by the auxiliary bolt and nut tightening mode if the swinging arm 304 or the device can be clamped, and the looped network cabinet body 101 is stressed is reduced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (7)

1. The utility model provides a looped netowrk cabinet with bearing structure is assisted to device, includes the looped netowrk cabinet body to and rotate the cabinet door of connecting on the looped netowrk cabinet body, its characterized in that still includes:

the inner wall of the ring main body is provided with a first guide sliding groove, the first guide sliding blocks are connected in the first guide sliding groove in a sliding manner, two groups of the first guide sliding grooves and the first guide sliding blocks are arranged, and two ends of the lifting rod are respectively fixedly connected with the two first guide sliding blocks;

the sliding-down limiting assembly is used for limiting the first guide sliding block to slide downwards and is arranged on the lifting rod;

the movable arm component is used for adjusting the horizontal clamping range of the clamping component.

2. The ring main unit with the auxiliary device supporting structure according to claim 1, wherein the sliding-down limiting assembly comprises a ratchet plate, a second guiding sliding block, a limiting tooth, a tension spring and a connecting rope, the ratchet plate is fixed in the first guiding sliding groove, a first avoiding groove is formed in the first guiding sliding block, the ratchet plate is arranged in the first avoiding groove, a second guiding sliding groove is formed in the lifting rod, the second guiding sliding block is slidably connected in the second guiding sliding groove, the limiting tooth is fixed on the second guiding sliding block, the limiting tooth is meshed with the ratchet plate, two ends of the tension spring are respectively connected with the side wall of the second guiding sliding block and the side wall of the second guiding sliding groove, and one end of the connecting rope is connected with the second guiding sliding block.

3. The ring main unit with the auxiliary supporting structure for the devices as claimed in claim 2, wherein the ratchet plate, the second guiding sliding blocks, the limiting teeth and the tension spring are provided in two sets, two ends of the connecting rope are respectively connected with the two second guiding sliding blocks, the lifting rod is provided with a second avoiding groove, a pulling rope is connected to a middle portion of the connecting rope, and the pulling rope extends out of the lifting rod through the second avoiding groove.

4. The ring main unit with the auxiliary device supporting structure as claimed in claim 3, wherein the movable arm assembly includes a first guiding sliding sleeve, a guiding sliding rod, a second guiding sliding sleeve and a swinging arm, the first guiding sliding sleeve is slidably connected to the lifting rod, the guiding sliding rod is fixed on the first guiding sliding sleeve, the second guiding sliding sleeve is slidably connected to the guiding sliding rod, the swinging arm is rotatably connected to the swinging arm, and the clamping assembly is disposed on the swinging arm.

5. The ring main unit with the auxiliary device supporting structure as claimed in claim 4, wherein the first guiding sliding sleeve is provided with an elongated slot for avoiding the pulling rope.

6. The ring main unit with the auxiliary device supporting structure as claimed in claim 4, wherein the clamping assembly includes an L-shaped fixing plate, a clamping plate, a screw shaft and a knob, the L-shaped fixing plate is rotatably connected to the swing arm, a third guiding chute is disposed on the L-shaped fixing plate, the clamping plate is slidably connected to the third guiding chute, the screw shaft is rotatably connected to the third guiding chute, the clamping plate is in threaded connection with the screw shaft, and the knob is fixed to the end of the screw shaft.

7. A supporting method, characterized in that the ring main unit with the auxiliary supporting structure for the device as claimed in any one of claims 1 to 6 is adopted, the method comprises the following steps:

step one, adjusting the height of a lifting rod to enable the mounting height of a clamping assembly to be the same as that of a device;

step two, the sliding-down limiting assembly limits the lifting rod to move downwards;

step three, the clamping assembly clamps the device;

and step four, the movable arm component moves the device to the installation position in the ring main unit body.

Images