Ring main unit with protection assembly
By introducing buffer plates and clamp structures into the ring main unit, the problems of poor protection and non-standard cable management of the ring main unit are solved, achieving higher safety and service life.
Patent Information
- Application Number
- CN202422535586.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-10-21
AI Technical Summary
Existing ring main units have poor protection and are easily damaged by external impacts. Improper cable management can lead to tangling and increase safety risks.
The design incorporates protective components such as buffer plates, rubber pads, telescopic rods, and clamps. The buffer plates and clamps prevent impact damage, while the clamps regulate cable arrangement, preventing crossing and tangling.
It effectively reduces damage to ring main units during collisions, standardizes cable arrangement, and reduces safety risks such as electrical short circuits and fires.
Smart Images

Figure CN223514465U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ring main unit technical field especially relates to a ring main unit with protection assembly. BACKGROUND
[0002] Ring main unit is a kind of equipment for distribution network, usually used in low-voltage ring network of power system. It can realize power distribution and protection function, ensure the stability and safety of power supply. Ring main unit usually contains switching device, protection device and measuring instrument etc. Ring main unit as the key equipment in power distribution system, is widely used in urban power grid, industrial park etc. place, for controlling, distribution and protection of the transmission and distribution of electric energy.
[0003] In ring main unit technology, the existing ring main unit is poor in protection at present, is easily damaged when external impact occurs, affects the service life of ring main unit, and the wire arrangement is not standard, easily leads to cable crossing and entanglement, and cable crossing and confusion easily lead to electrical short circuit, electric leakage and other problems, increase fire and electric shock and other safety risks.
[0004] Therefore, we propose a ring main unit with protection assembly. INVENTION CONTENTS
[0005] The utility model mainly solves the technical problem of existing prior art, provides a kind of ring main unit with protection assembly.
[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme, a kind of ring main unit with protection assembly, including ring main unit body, the left and right side wall of ring main unit body is respectively provided with installation slot, installation slot is respectively movably sleeved with buffer plate, two buffer plates are close to the side of ring main unit body and are fixedly installed with two vertical boards, the two vertical boards on each buffer plate are all provided with buffer assembly between, buffer assembly includes multiple rubber pads and multiple pad plates, respectively, the left side wall of ring main unit body is fixedly installed with fixed plate, and multiple groups of clamps are arranged on the fixed plate, each group of clamps includes left clamp and right clamp, respectively, each right clamp is provided with locking device, and the locking device includes locking strip and top block, each left clamp is close to the end of right clamp and is provided with receiving slot, and the right end wall of each receiving slot is provided with movable slot, and each movable slot is respectively provided with the limiting mechanism for limiting locking strip in each movable slot, and the limiting mechanism includes mounting plate, telescopic rod two and clamping block.
[0007] As a preferred technical scheme of the utility model, one side wall surface of each vertical plate close to the ring main unit body is fixedly connected with a rubber pad, one end of each telescopic rod is fixedly installed on the side wall surface of each corresponding buffer plate close to the ring main unit body, and the other end of each telescopic rod is fixedly installed on the end wall surface of each corresponding pad plate away from the ring main unit body, and the outer side wall of each telescopic rod is sleeved with a buffer spring.
[0008] As a preferred technical scheme of the utility model, the left end of the left clamp and the right clamp is fixedly installed on the right side wall surface of the fixed plate, and the left end of the left clamp and the right clamp is fixedly connected.
[0009] As a preferred technical scheme of the utility model, each locking strip is slidably connected in the inside of each corresponding right clamp, each top block is fixedly installed on the right end wall surface of each corresponding locking strip, the top end wall surface of each right clamp is provided with a rectangular strip in communication with the inside of the right clamp, the top wall surface of each locking strip is fixedly connected with a push rod, and the top end of each push rod extends to the outside of the rectangular strip.
[0010] As a preferred technical scheme of the utility model, the front and back sides of the mounting plate in each movable slot are slidably connected with the inner wall of the movable slot, the right end of each telescopic rod two in each movable slot is fixedly installed on the left end wall surface of the mounting plate, the left end of each telescopic rod two is fixedly installed on the rear end wall surface of each corresponding clamping block, and the outer side wall of each telescopic rod two is sleeved with a compression spring.
[0011] As a preferred technical scheme of the utility model, the right side top end wall surface of each left clamp is provided with a moving sliding groove in communication with the movable slot, and the top end wall surface of each mounting plate is fixedly installed with a sliding rod.
[0012] As a preferred technical scheme of the utility model, the top end of each sliding rod is hingedly connected with a limiting rod, and the top wall surface of each left clamp is provided with a limiting slot in communication with each moving sliding groove.
[0013] The utility model provides a kind of ring main unit with protection assembly.There is following beneficial effect:
[0014] 1, the ring main unit with protection assembly, when using, by setting vertical plate, rubber pad, telescopic rod one, buffer spring and pad, when collision occurs, can effectively play the role of protection buffering to ring main unit, reduce unnecessary loss, this function increases the practicality of the device.
[0015] 2. The ring main unit with a protection assembly, when in use, the ground wire, the fire wire and the zero wire are respectively placed between each group of left clamps and right clamps, so that the cable is not easy to entangle, and the cable crossing and confusion are avoided, in the initial state, the clamping block extends in the storage groove, after the cable is placed, the push rod is pushed, the push rod drives the locking strip to slide along the rectangular strip, so that the locking strip and the top block enter the storage groove, and the top block abuts against the clamping block, the clamping block moves to the right and squeezes the second telescopic rod and the compression spring, until the top block moves to the front side of the clamping block, at this time, the clamping block is reset and the top block is limited under the action of the elastic force of the compression spring, so that the cable is clamped in each group of left clamps and right clamps, when the limiting needs to be released, the limiting rod is rotated to cancel the limiting effect of the limiting rod, so that the limiting rod is vertical, then the limiting rod is pulled to the right, so that the limiting rod and the sliding rod slide to the right on the inner wall of the movable groove through the mounting plate, so that the second telescopic rod, the compression spring and the clamping block move backward, the clamping block moves to the movable groove, so that the limiting of the top block is released, finally, the push rod is pulled again to make the locking strip retreat to the right clamp. BRIEF DESCRIPTION OF DRAWINGS
[0016] The structures, proportions, sizes and the like shown in the specification are only used to cooperate with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and do not have technical substantial significance for limiting the implementation conditions of the utility model.
[0017] Figure 1 It is a whole structure schematic view of the utility model;
[0018] Figure 2 It is a buffer plate structure schematic view of the utility model;
[0019] Figure 3 It is a left clamp and right clamp structure schematic view of the utility model;
[0020] Figure 4 It is a left clamp and right clamp structure schematic view of the utility model; Figure 3 It is an enlarged view of A in the utility model.
[0021] Legend:
[0022] 10, ring main unit body; 11, buffer plate; 12, fixed plate; 13, vertical plate; 14, rubber pad; 15, telescopic rod one; 16, buffer spring; 17, pad plate; 18, left clamp; 19, right clamp; 20, locking strip; 21, top block; 22, storage groove; 23, mounting plate; 24, telescopic rod two; 25, compression spring; 26, clamping block; 27, sliding rod; 28, moving sliding groove; 29, limiting rod; 30, limiting groove; 31, movable groove. DETAILED DESCRIPTION
[0023] A ring main unit with a protection assembly, as shown in Figures 1-4As shown, including ring net cabinet body 10, the left and right side wall of ring net cabinet body 10 is provided with mounting groove, respectively, the mounting groove is respectively movably sleeved with buffer plate 11, two buffer plates 11 are close to the side of ring net cabinet body 10 and are fixedly installed with two vertical plates 13, the two vertical plates 13 on each buffer plate 11 are provided with buffer assembly, buffer assembly respectively includes multiple rubber pads 14 and multiple pad plates 17, the left side wall of ring net cabinet body 10 is fixedly installed with fixed plate 12, the fixed plate 12 is provided with multiple groups of clamps, each group of clamp respectively includes left clamp 18 and right clamp 19, each right clamp 19 is respectively provided with locking device, locking device includes locking strip 20 and top block 21, the end close to right clamp 19 of each left clamp 18 is provided with storage groove 22, the right end wall of each storage groove 22 is provided with movable slot 31, each movable slot 31 is respectively provided with limiting mechanism for limiting locking strip 20, limiting mechanism respectively includes mounting plate 23, telescopic rod two 24 and clamping block 26, the side wall close to ring net cabinet body 10 of each vertical plate 13 is fixedly connected with rubber pad 14, multiple telescopic rods one 15 are respectively fixedly installed on the side wall close to ring net cabinet body 10 of each corresponding buffer plate 11, the other end of multiple telescopic rods one 15 is respectively fixedly installed on the end wall of corresponding multiple pad plates 17 away from ring net cabinet body 10 and the outer side wall of each telescopic rod one 15 is respectively sleeved with buffer spring 16, the left end of left clamp 18 and right clamp 19 is respectively fixedly installed on the right side wall of fixed plate 12 and the left end of left clamp 18 and right clamp 19 is respectively fixedly connected, each locking strip 20 is slidably connected in the inside of each corresponding right clamp 19, each top block 21 is fixedly installed on the right end wall of each corresponding locking strip 20, the top end wall of right clamp 19 is provided with rectangular strip in communication with the inside of right clamp 19, the top wall of each locking strip 20 is fixedly connected with the top end of each locking strip 20 and the top end of each locking strip 20 extends to the outside of rectangular strip, the front and back sides of mounting plate 23 in each movable slot 31 are slidably connected with the inner wall of movable slot 31, the right end of telescopic rod two 24 in each movable slot 31 is fixedly installed on the left end wall of mounting plate 23, the left end of each telescopic rod two 24 is fixedly installed on the rear end wall of each corresponding clamping block 26 and the outer wall of each telescopic rod two 24 is sleeved with compression spring 25, the right side top end wall of each left clamp 18 is provided with moving slide groove 28 in communication with movable slot 31, the top end wall of each mounting plate 23 is fixedly installed with slide rod 27, the outer wall of each slide rod 27 is slidably connected with the inner wall of each corresponding moving slide groove 28, the top end of each slide rod 27 is hinged with limiting rod 29 and the top end wall of each left clamp 18 is provided with limiting slot 30 in communication with each moving slide groove 28.
[0024] The working principle of the utility model discloses: in use, through setting up's vertical board 13, rubber pad 14, telescopic link one 15, buffer spring 16 and backing pad 17, can effectively play the protection buffering effect to ring main unit when collision occurs, reduces unnecessary loss, and this function increases the practicality of the device.
[0025] In use, the ground wire, the fire wire and the zero wire are respectively placed between the left clamping hoop 18 and the right clamping hoop 19 of each group, so that the cable is not easy to entangle, and the cable crossing and confusion can be avoided, in the initial state, the clamping block 26 extends in the storage groove 22, after the cable is placed, the push rod is pushed, the push rod drives the locking strip 20 to slide along the rectangular strip, so that the locking strip 20 and the top block 21 enter the storage groove 22, and the top block 21 abuts against the clamping block 26, the clamping block 26 moves to the right and extrudes the telescopic link two 24 and the compression spring 25, until the top block 21 moves to the front side of the clamping block 26, at this time, the clamping block 26 is reset under the elastic force of the compression spring 25 and the top block 21 is limited, so that the cable is clamped in the left clamping hoop 18 and the right clamping hoop 19 of each group, when the limiting needs to be released, the limiting rod 29 is rotated to cancel the limiting effect of the limiting rod 29, so that the limiting rod 29 is vertical, then the limiting rod 29 is pulled to the right, so that the limiting rod 29 and the sliding rod 27 slide right on the inner wall of the movable groove 31 through the mounting plate 23, so that the telescopic link two 24, the compression spring 25 and the clamping block 26 move backward, the clamping block 26 moves to the movable groove 31, so that the limiting of the top block 21 is released, finally the push rod is pulled again, so that the locking strip 20 retreats to the right clamping hoop 19.
[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.
Claims
1. A ring main unit having a protection assembly, comprising a ring main unit body (10), characterized in that: The left and right side walls of the ring net cabinet body (10) are respectively provided with mounting grooves, and the mounting grooves are respectively movably sleeved with buffer plates (11); the two buffer plates (11) are respectively fixedly installed with two vertical plates (13) close to one side of the ring net cabinet body (10); the two vertical plates (13) on each buffer plate (11) are provided with a buffer assembly therebetween; the buffer assembly comprises a plurality of rubber pads (14) and a plurality of pad plates (17); the left side wall of the ring net cabinet body (10) is fixedly installed with a fixed plate (12); the fixed plate (12) is provided with a plurality of groups of clamps; each group of clamps comprises a left clamp (18) and a right clamp (19); each right clamp (19) is provided with a locking device thereon; the locking device comprises a locking strip (20) and a top block (21); each left clamp (18) is provided with a receiving groove (22) at an end close to the right clamp (19); the right end wall of each receiving groove (22) is provided with a movable groove (31); each movable groove (31) is provided with a limiting mechanism for limiting the locking strip (20) therein; the limiting mechanism comprises a mounting plate (23), a second telescopic rod (24) and a clamping block (26).
2. The ring main unit with a protection assembly according to claim 1, characterized in that: The left and right side walls of the ring net cabinet body (10) are respectively provided with mounting grooves, and the mounting grooves are respectively movably sleeved with buffer plates (11); the two buffer plates (11) are respectively fixedly installed with two vertical plates (13) close to one side of the ring net cabinet body (10); the two vertical plates (13) on each buffer plate (11) are provided with a buffer assembly therebetween; the buffer assembly comprises a plurality of rubber pads (14) and a plurality of pad plates (17); the left side wall of the ring net cabinet body (10) is fixedly installed with a fixed plate (12); the fixed plate (12) is provided with a plurality of groups of clamps; each group of clamps comprises a left clamp (18) and a right clamp (19); each right clamp (19) is provided with a locking device thereon; the locking device comprises a locking strip (20) and a top block (21); each left clamp (18) is provided with a receiving groove (22) at an end close to the right clamp (19); the right end wall of each receiving groove (22) is provided with a movable groove (31); each movable groove (31) is provided with a limiting mechanism for limiting the locking strip (20) therein; the limiting mechanism comprises a mounting plate (23), a second telescopic rod (24) and a clamping block (26).
3. The ring main unit with a protection assembly according to claim 1, characterized in that: The left and right side walls of the ring net cabinet body (10) are respectively provided with mounting grooves, and the mounting grooves are respectively movably sleeved with buffer plates (11); the two buffer plates (11) are respectively fixedly installed with two vertical plates (13) close to one side of the ring net cabinet body (10); the two vertical plates (13) on each buffer plate (11) are provided with a buffer assembly therebetween; the buffer assembly comprises a plurality of rubber pads (14) and a plurality of pad plates (17); the left side wall of the ring net cabinet body (10) is fixedly installed with a fixed plate (12); the fixed plate (12) is provided with a plurality of groups of clamps; each group of clamps comprises a left clamp (18) and a right clamp (19); each right clamp (19) is provided with a locking device thereon; the locking device comprises a locking strip (20) and a top block (21); each left clamp (18) is provided with a receiving groove (22) at an end close to the right clamp (19); the right end wall of each receiving groove (22) is provided with a movable groove (31); each movable groove (31) is provided with a limiting mechanism for limiting the locking strip (20) therein; the limiting mechanism comprises a mounting plate (23), a second telescopic rod (24) and a clamping block (26).
4. The ring main unit with a protection assembly according to claim 1, characterized in that: The left and right side walls of the ring net cabinet body (10) are respectively provided with mounting grooves, and the mounting grooves are respectively movably sleeved with buffer plates (11); the two buffer plates (11) are respectively fixedly installed with two vertical plates (13) close to one side of the ring net cabinet body (10); the two vertical plates (13) on each buffer plate (11) are provided with a buffer assembly therebetween; the buffer assembly comprises a plurality of rubber pads (14) and a plurality of pad plates (17); the left side wall of the ring net cabinet body (10) is fixedly installed with a fixed plate (12); the fixed plate (12) is provided with a plurality of groups of clamps; each group of clamps comprises a left clamp (18) and a right clamp (19); each right clamp (19) is provided with a locking device thereon; the locking device comprises a locking strip (20) and a top block (21); each left clamp (18) is provided with a receiving groove (22) at an end close to the right clamp (19); the right end wall of each receiving groove (22) is provided with a movable groove (31); each movable groove (31) is provided with a limiting mechanism for limiting the locking strip (20) therein; the limiting mechanism comprises a mounting plate (23), a second telescopic rod (24) and a clamping block (26).
5. The ring main unit with a protection assembly according to claim 1, characterized in that: 6. The ring main unit with a protection assembly according to claim 1, characterized in that: 7. The ring main unit with a protection assembly according to claim 6, characterized in that: The top end of each sliding rod (27) is hinged with a limiting rod (29), and the top wall of each left clamp (18) is provided with a limiting slot (30) communicated with each moving sliding slot (28).