A switch cabinet with double grounding protection

By adopting structures such as dual-axis motors, hydraulic cylinders and gears in the switch cabinet, automatic grounding and automatic opening/closing of ground wires, cabinet body and cabinet door wiring are achieved, and the problems of operation hazards and inconvenient maintenance of traditional switch cabinets are solved. Improves safety and maintenance convenience.

CN113131349BActive Publication Date: 2024-12-13ZUNYI LONG MARCH ELECTRICAL EQUIP CO LTD
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Patent Information

Application Number
CN202110330166.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-03-29
Publication Date
2024-12-13
Estimated Expiration
2041-03-29

AI Technical Summary

Technical Problem

Traditional switch cabinets require manual wiring, improper operation can easily lead to the cabinet body being energized, and the sealing state is not conducive to regular inspection and maintenance.

Method used

A switch cabinet with double ground protection is designed, adopting structures such as dual-axis motors, hydraulic cylinders, gears and bevel gears to realize automatic grounding and automatic opening/closing of ground wires, cabinet bodies and cabinet door wirings, for easy inspection and maintenance.

Benefits of technology

Automatic grounding of grounding wire, cabinet and cabinet door wiring is realized, reducing operational risks, and facilitating regular inspection and maintenance of internal equipment of the cabinet.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a switch cabinet with double grounding protection, which relates to the technical field of switch cabinets. Aiming at the problem that the traditional switch cabinet automatically grounds the ground wire, cabinet wiring and cabinet door wiring, and the cabinet door cannot be automatically opened and closed, which is convenient for regular inspection and maintenance of the internal equipment of the cabinet, the following scheme is proposed, including a cabinet, wherein a fixing plate is fixedly connected inside the cabinet, a cable box is fixedly connected to the top of the fixing plate, a ground wire is connected to the bottom of the cable box, the left side of the cabinet is fixedly connected to the cabinet wiring, the right side of the cabinet is slidably connected to the cabinet door, the left side of the cabinet door is fixedly connected to the cabinet door wiring, and the bottom of the cabinet door is fixedly connected to a rack. The invention can not only realize the automatic grounding of the ground wire, cabinet wiring and cabinet door wiring, but also the cabinet door can be automatically opened and closed, which is convenient for regular inspection and maintenance of the internal equipment of the cabinet.
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Description

Technical Field

[0001] The invention relates to the technical field of switch cabinets, and in particular to a switch cabinet with double grounding protection. Background Art

[0002] The switch cabinet is an electrical equipment. The external line of the switch cabinet first enters the main control switch inside the cabinet, and then enters the sub-control switch. Each branch is set according to its needs. Such as instruments, automatic control, motor magnetic switches, various AC contactors, etc. Some also have high-voltage and low-voltage room switch cabinets, with high-voltage busbars, such as power plants, etc. Some also have low-frequency load shedding to protect the main equipment.

[0003] Traditional switch cabinets require manual grounding of the ground wire, cabinet wiring and cabinet door wiring. Once the operation is improper, the cabinet is easily energized during the operation of the equipment, which increases the operational risk. In addition, traditional switch cabinets are sealed, which makes it inconvenient to conduct regular inspections and maintenance of the equipment inside the cabinet. For this reason, we have proposed a switch cabinet with double grounding protection. Summary of the invention

[0004] The invention provides a switch cabinet with double grounding protection, which solves the problem that the traditional switch cabinet automatically grounds the ground wire, cabinet wiring and cabinet door wiring, and the cabinet door cannot be opened and closed automatically, making it convenient to conduct regular inspection and maintenance of the equipment inside the cabinet.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A switch cabinet with double grounding protection comprises a cabinet body, wherein a fixing plate is fixedly connected inside the cabinet body, a cable box is fixedly connected to the top of the fixing plate, a ground wire is connected to the bottom of the cable box, a cabinet wiring is fixedly connected to the left side of the cabinet body, a cabinet door is slidably connected to the right side of the cabinet body, a cabinet door wiring is fixedly connected to the left side of the cabinet door, a rack is fixedly connected to the bottom of the cabinet door, a support platform is fixedly connected to the inside of the bottom cabinet wall of the cabinet body, a dual-axis motor is fixedly connected to the top of the support platform, an output shaft of the dual-axis motor is fixedly connected to a first rotating shaft, a right side fixed sleeve of the first rotating shaft located on the right side is provided with a first gear, and the rack is meshed with the first gear for transmission, and a left side fixed sleeve of the first rotating shaft located on the left side is provided with a second gear Wheel, a hydraulic cylinder is fixedly connected to the bottom wall of the cabinet, the output shaft of the hydraulic cylinder is fixedly connected to a support rod, the top of the support rod is fixedly connected to a support bearing, the inner sleeve of the support bearing is provided with a second rotating shaft, the right side fixed sleeve of the second rotating shaft is provided with a third gear, and the second gear and the third gear are meshed for transmission, the left side fixed sleeve of the second rotating shaft is provided with a first bevel gear, the left side sliding connection of the bottom wall of the cabinet is provided with a grounding wire concentration box, the top of the grounding wire concentration box is fixedly connected with a threaded sleeve, the inner threaded sleeve of the threaded sleeve is provided with a reciprocating screw, the top of the reciprocating screw is fixedly connected with a third rotating shaft, the outer fixed sleeve of the third rotating shaft is provided with a second bevel gear, and the first bevel gear and the second bevel gear are meshed for transmission.

[0007] Preferably, a first placement groove is opened inside the bottom wall of the cabinet, the support platform is fixedly connected to the bottom of the first placement groove, and the hydraulic cylinder is fixedly connected to the bottom of the first placement groove.

[0008] Preferably, a second sliding block is fixedly connected to the left side of the grounding wire concentration box, a second sliding groove is opened on the left side of the first placement groove, and the second sliding block is slidably sleeved inside the second sliding groove.

[0009] Preferably, a first sliding block is fixedly connected to the bottom of the support rod, a first sliding groove is provided at the bottom of the first placement groove, and the first sliding block is slidably sleeved inside the first sliding groove.

[0010] Preferably, a ball bearing is rotatably connected to the top of the third rotating shaft, and the ball bearing is fixedly connected to the top of the first placement groove.

[0011] Preferably, a third sliding block is fixedly connected to the top of the cabinet door, a third sliding groove is provided on the top inner wall of the cabinet body, and the third sliding block is slidably sleeved inside the third sliding groove.

[0012] Compared with the existing technology, the beneficial effects of the present invention are as follows: the present invention installs a dual-axis motor, a hydraulic cylinder, a first gear, a rack, a second gear, a third gear, a first bevel gear, a second bevel gear, a grounding wire concentration box and other structures, wherein the dual-axis motor drives the first gear and the second gear to rotate, and the first gear and the rack are meshed for transmission to achieve the task of automatically opening and closing the cabinet door, which is convenient for the inspection and maintenance of the internal devices of the cabinet. At the same time, when the ground wire, cabinet wiring and cabinet door wiring are not grounded, the output shaft of the hydraulic cylinder extends, driving the second gear and the third gear to engage for transmission, thereby driving the first bevel gear and the second bevel gear to engage for transmission, thereby driving the reciprocating screw to rotate, and finally driving the grounding wire concentration box to move downward to achieve the automatic grounding task. The device is novel in design and simple in operation. It can not only realize automatic grounding of the ground wire, cabinet wiring and cabinet door wiring, but also the cabinet door can be automatically opened and closed, which is convenient for regular inspection and maintenance of the internal equipment of the cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front view structural schematic diagram of a switch cabinet with double grounding protection proposed by the present invention;

[0014] Figure 2 A schematic diagram of the side structure of a switch cabinet with double grounding protection proposed by the present invention;

[0015] Figure 3 A partial enlarged view of a switch cabinet A with double grounding protection proposed by the present invention;

[0016] Figure 4 A three-dimensional diagram of a grounding wire concentration box of a switch cabinet with double grounding protection proposed by the present invention.

[0017] In the figure: 1 cabinet, 2 cable box, 3 fixing plate, 4 ground wire, 5 first bevel gear, 6 threaded sleeve, 7 ground wire concentration box, 8 reciprocating screw, 9 cabinet wiring, 10 cabinet door wiring, 11 second bevel gear, 12 third rotating shaft, 13 support rod, 14 hydraulic cylinder, 15 second gear, 16 support platform, 17 double-axis motor, 18 first gear, 19 rack, 20 double-axis motor, 21 third gear, 22 second rotating shaft, 23 support bearing, 24 cabinet door. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] Reference Figure 1-4A switch cabinet with double grounding protection includes a cabinet body 1, a fixing plate 3 is fixedly connected inside the cabinet body 1, a cable box 2 is fixedly connected to the top of the fixing plate 3, a ground wire 4 is connected to the bottom of the cable box 2, a cabinet wiring 9 is fixedly connected to the left side of the cabinet body 1, a cabinet door 24 is slidably connected to the right side of the cabinet body 1, a cabinet door wiring 10 is fixedly connected to the left side of the cabinet door 24, a rack 19 is fixedly connected to the bottom of the cabinet door 24, a support platform 16 is fixedly connected to the inside of the cabinet wall at the bottom of the cabinet body 1, a double-axis motor 17 is fixedly connected to the top of the support platform 16, an output shaft of the double-axis motor 17 is fixedly connected to a first rotating shaft 20, a first gear 18 is provided on the right side fixed sleeve of the first rotating shaft 20 on the right side, and the rack 19 is meshed with the first gear 18 for transmission, and a second gear 1 is provided on the left side fixed sleeve of the first rotating shaft 20 on the left side 5. A hydraulic cylinder 14 is fixedly connected to the bottom wall of the cabinet 1, and a support rod 13 is fixedly connected to the output shaft of the hydraulic cylinder 14. A support bearing 23 is fixedly connected to the top of the support rod 13. A second rotating shaft 22 is sleeved inside the support bearing 23. A third gear 21 is fixedly sleeved on the right side of the second rotating shaft 22, and the second gear 15 is meshed with the third gear 21 for transmission. A first bevel gear 5 is fixedly sleeved on the left side of the second rotating shaft 22. A grounding wire concentration box 7 is slidably connected to the left side of the bottom wall of the cabinet 1, and a threaded sleeve 6 is fixedly connected to the top of the grounding wire concentration box 7. A reciprocating screw 8 is provided on the internal threaded sleeve of the threaded sleeve 6. A third rotating shaft 12 is fixedly connected to the top of the reciprocating screw 8. A second bevel gear 11 is fixedly sleeved outside the third rotating shaft 12, and the first bevel gear 5 is meshed with the second bevel gear 11 for transmission.

[0020] In this embodiment, a first placement groove is opened inside the bottom wall of the cabinet 1, the support platform 16 is fixedly connected to the bottom of the first placement groove, and the hydraulic cylinder 14 is fixedly connected to the bottom of the first placement groove.

[0021] In this embodiment, a second slider is fixedly connected to the left side of the grounding wire concentration box 7, a second slide groove is opened on the left side of the first placement groove, and the second slider is slidably sleeved inside the second slide groove.

[0022] In this embodiment, a first sliding block is fixedly connected to the bottom of the support rod 13, a first sliding groove is provided at the bottom of the first placement groove, and the first sliding block is slidably sleeved inside the first sliding groove.

[0023] In this embodiment, a ball bearing is rotatably connected to the top of the third rotating shaft 12, and the ball bearing is fixedly connected to the top of the first placement groove.

[0024] In this embodiment, a third sliding block is fixedly connected to the top of the cabinet door 24, a third sliding groove is provided on the top inner wall of the cabinet body 1, and the third sliding block is slidably sleeved inside the third sliding groove.

[0025] Working principle, first, the ground wire 4 extends from the bottom of the cable box 2, and then is entangled with the cabinet wiring 9 led out from the cabinet 1 and the cabinet door wiring 10 led out from the cabinet door 24, passes through the movable hole, and is connected to the inside of the top head in the ground wire concentration box 7. The output shaft of the dual-axis motor 17 rotates, driving the first rotating shaft 20 to rotate, thereby driving the first gear 18 and the second gear 15 to rotate, and the first gear 18 and the rack 19 are meshed for transmission, thereby driving the cabinet door 24 to slide inside the third slide groove, completing the task of automatically closing and opening the cabinet door 24, which is convenient for inspection and maintenance when a fault occurs inside the cabinet 1. When the ground wire 4, the cabinet wiring 9, and the cabinet door wiring 10 are not grounded, the output shaft of the hydraulic cylinder 14 extends to drive the first slider to move to the left in the first slide groove, from This drives the support rod 13 to move to the left, and then drives the support bearing 23 to move to the left, and then drives the second rotating shaft 22 to move to the left, so that the second gear 15 and the third gear 21 are meshed and transmitted, thereby driving the first bevel gear 5 and the second bevel gear 11 to mesh and transmit, thereby driving the third rotating shaft 12 to rotate, thereby driving the reciprocating screw 8 to rotate, thereby driving the threaded sleeve 6 to move downward, thereby driving the grounding wire concentration box 7 to move downward, and then driving the top of the bottom of the grounding wire concentration box 7 to automatically connect to the ground, and then the output shaft of the hydraulic cylinder 14 contracts, driving the support rod 13 to move right, so that the second gear 15 and the third gear 21 and the first bevel gear 5 and the second bevel gear 11 are disengaged respectively, keeping the ground wire 4, the cabinet body wiring 9, and the cabinet door wiring 10 grounded.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A switch cabinet with double grounding protection, comprising a cabinet body (1), characterized in that: A fixing plate (3) is fixedly connected inside the cabinet (1), a cable box (2) is fixedly connected to the top of the fixing plate (3), a cabinet door (24) is slidably connected to the right side of the cabinet (1), a rack (19) is fixedly connected to the bottom of the cabinet door (24), a support platform (16) is fixedly connected to the inside of the bottom cabinet wall of the cabinet (1), a dual-axis motor (17) is fixedly connected to the top of the support platform (16), an output shaft of the dual-axis motor (17) is fixedly connected to a first rotating shaft (20), and a first gear (18) is fixedly sleeved on the right side of the first rotating shaft (20) located on the right side, The rack (19) is meshed with the first gear (18) for transmission, a second gear (15) is provided on the left fixed sleeve of the first rotating shaft (20) on the left side, a hydraulic cylinder (14) is fixedly connected to the inside of the bottom wall of the cabinet (1), an output shaft of the hydraulic cylinder (14) is fixedly connected to a support rod (13), a support bearing (23) is fixedly connected to the top of the support rod (13), a second rotating shaft (22) is provided inside the support bearing (23), a third gear (21) is provided on the right fixed sleeve of the second rotating shaft (22), and the second gear (15) is meshed with the third gear (21) for transmission.

2. A switch cabinet with double grounding protection according to claim 1, characterized in that: The bottom of the cable box (2) is connected to a ground wire (4), the left side of the cabinet body (1) is fixedly connected to a cabinet body wiring (9), the left side of the cabinet door (24) is fixedly connected to a cabinet door wiring (10), the left side fixed sleeve of the second rotating shaft (22) is provided with a first bevel gear (5), the left side of the bottom wall of the cabinet body (1) is slidably connected to a ground wire concentration box (7), the top of the ground wire concentration box (7) is fixedly connected to a threaded sleeve (6), the inner threaded sleeve of the threaded sleeve (6) is provided with a reciprocating screw (8), the top of the reciprocating screw (8) is fixedly connected to a third rotating shaft (12), the outer fixed sleeve of the third rotating shaft (12) is provided with a second bevel gear (11), and the first bevel gear (5) is meshed with the second bevel gear (11) for transmission.

3. A switch cabinet with double grounding protection according to claim 2, characterized in that: A first placement groove is provided inside the bottom wall of the cabinet (1), the support platform (16) is fixedly connected to the bottom of the first placement groove, and the hydraulic cylinder (14) is fixedly connected to the bottom of the first placement groove.

4. A switch cabinet with double grounding protection according to claim 3, characterized in that: A second sliding block is fixedly connected to the left side of the grounding wire concentration box (7), a second sliding block is provided on the left side of the first placement groove, and the second sliding block is slidably sleeved inside the second sliding block.

5. A switch cabinet with double grounding protection according to claim 3, characterized in that: The bottom of the support rod (13) is fixedly connected to a first sliding block, the bottom of the first placement groove is provided with a first sliding groove, and the first sliding block is slidably sleeved inside the first sliding groove.

6. A switch cabinet with double grounding protection according to claim 3, characterized in that: The top of the third rotating shaft (12) is rotatably connected to a ball bearing, and the ball bearing is fixedly connected to the top of the first placement groove.

7. A switch cabinet with double grounding protection according to claim 1, characterized in that: A third sliding block is fixedly connected to the top of the cabinet door (24); a third sliding groove is provided on the top inner wall of the cabinet body (1); and the third sliding block is slidably sleeved inside the third sliding groove.