Transformer protection cabinet

Abstract

The invention discloses a transformer protection cabinet, and relates to the field of electrical equipment, the transformer protection cabinet comprises a cabinet body, a cabinet door capable of being opened and closed is arranged at the opening of the front side of the cabinet body, the transformer protection cabinet further comprises a rotating back frame, a push-pull plate and two U-shaped seats, the two U-shaped seats are arranged in the cabinet body up and down, and guide rails are arranged on the left side and the right side of each U-shaped seat respectively; by opening the cabinet door and pulling the push-and-pull plate forwards, under the action of the guide rail and the sliding piece, the rotary back frame and the two U-shaped seats stably move forwards, the rotary back frame is pulled out of the cabinet body, and then the cabinet door is opened and the push-and-pull plate is pulled forwards. According to the utility model, the electric power worker can conveniently install elements outside the cabinet body and arrange wires outside the cabinet body, so that the operation convenience is greatly improved, the whole wire arrangement and element layout can be more intuitively seen when the operation is carried out outside the cabinet body, and the misoperation caused by the blocked sight line is reduced.

Description

Technical Field

[0001] The invention belongs to the field of electrical equipment, and in particular relates to a transformer protection cabinet. Background Art

[0002] Transformer protection cabinet is an electrical device specially used for transformer protection in power system. There are usually multiple mounting plates for installing components (relays, contactors, indicator lights, switches, etc.) inside the cabinet.

[0003] In the existing transformer protection cabinet, the mounting plate for fixing components is directly fixed inside the cabinet. When electric workers fix components on the mounting plate one by one, due to the limited space inside the cabinet, it is difficult for electric workers to have enough space to operate when fixing and wiring components, which reduces work efficiency and may increase the risk of installation errors. In addition, when maintenance or replacement of components is required, the small space makes it difficult for operators to quickly and accurately locate and operate the target components, increasing the difficulty and time cost of maintenance.

[0004] Therefore, corresponding improvements are made to the deficiencies of the existing transformer protection cabinet. Summary of the invention

[0005] In view of the problem that in the existing transformer protection cabinet, the mounting plate is fixed in the cabinet body, and the internal space of the cabinet body is limited, which is not conducive to the installation or maintenance of components by electric workers, the present invention provides a transformer protection cabinet.

[0006] The solution adopted by the present invention to solve the technical problem is: a transformer protection cabinet, comprising a cabinet body, a cabinet door that can be opened and closed is arranged at the front opening of the cabinet body, and also comprising a rotating back frame, a push-pull plate and two U-shaped seats, the two U-shaped seats are arranged inside the cabinet body one above and one below, and guide rails are respectively arranged on the left and right sides of the U-shaped seat, and the guide rails are fixedly installed between the front side of the inner wall and the rear side of the inner wall of the cabinet body; Sliding members are fixedly installed on the left and right sides of the U-shaped seat respectively, and the sliding members are arranged on the guide rails and can slide along the guide rails; The rotating back frame is rotatably mounted between the two U-shaped seats, and a plurality of mounting plates for mounting components are arranged on the front side of the rotating back frame; The push-pull plate is arranged in a notch opened on the front side of the cabinet, and the rear end of the push-pull plate is fixedly connected to the U-shaped seat on the upper side. The push-pull plate can slide in the notch to push the rotating back frame into the cabinet or pull it out of the cabinet.

[0007] Preferably, the sliding member is a sliding sleeve, and the guide rail is a guide rod.

[0008] Preferably, a baffle is fixedly mounted on the front end of the push-pull plate, and a handle is fixedly mounted on the front side of the baffle.

[0009] Preferably, a screw is provided in the through hole of the baffle, the screw is welded and fixed to the front side of the cabinet, a nut is threadedly connected to the screw, and the nut is in contact with the front side of the baffle.

[0010] Preferably, a bearing is installed in the middle section of the U-shaped seat, a rotating shaft is installed in the bearing, and the rotating shaft is fixedly connected to the rotating back frame through a rotating disk.

[0011] Preferably, it also includes an L-shaped side panel and a straight side panel, which are respectively fixedly installed on the left and right positions of the front of the rotating back frame, and the L-shaped side panel and the straight side panel are provided with multiple slots from top to bottom, and the left and right ends of the mounting plate are respectively located in two oppositely arranged left and right slots.

[0012] Preferably, a hand-pull groove is provided on the mounting plate, and a positioning hole is provided at the left end of the mounting plate.

[0013] Preferably, a plurality of threaded holes are sequentially opened on the front side wall of the L-shaped side plate from top to bottom, and ball screws are arranged in the threaded holes, and the steel balls of the ball screws are adapted to the positioning holes.

[0014] Preferably, two U-shaped clips are further included, and the U-shaped clips are placed on the U-shaped seat on the upper side, and the lower ends thereof are in contact with the rotating back frame to position the rotating back frame.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention opens the cabinet door and pulls the push-pull plate forward. Under the action of the guide rail and the sliding member, the rotating back frame and the two U-shaped seats move forward smoothly, and the rotating back frame is pulled out of the cabinet, so that the electrician can install components and wire outside the cabinet, which greatly improves the convenience of operation. In addition, the entire wiring and component layout can be more intuitively seen when operating outside the cabinet, reducing erroneous operations caused by obstructed vision.

[0016] 2. The present invention provides a rotatable rotating back frame. During wiring, inspection and maintenance, the rotating back frame can be rotated to view the arrangement of components and circuits from multiple angles, thereby making installation and maintenance faster, reducing downtime and improving work efficiency.

[0017] 3. The present invention positions the mounting plate by inserting the mounting plate into two oppositely arranged slots on the left and right, and the steel ball of the ball screw is automatically inserted into the positioning hole provided on the mounting plate, so as to ensure the stability of the mounting plate during use. The mounting plate does not need to be fixed with screws, and is easy to install and disassemble. The position of the mounting plate can be quickly adjusted according to the installation requirements of the components. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the guide rod, the rotating back frame and the mounting plate of the present invention.

[0019] In the figure: 1 cabinet body, 2 cabinet door, 31 handle, 32 baffle, 33 screw, 34 nut, 35 push-pull plate, 41 U-shaped seat, 42 rotating back frame, 43 sliding member, 44 guide rail, 45 rotating plate, 46 rotating shaft, 5 U-shaped card, 61 straight side plate, 62 slot, 63 L-shaped side plate, 64 ball screw, 7 mounting plate, 71 hand pull groove. DETAILED DESCRIPTION

[0020] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0021] See also Figure 1-3 , the present invention provides a technical solution for a transformer protection cabinet: Embodiment 1: according to Figure 1-3 As shown, it comprises a cabinet body 1 , and a cabinet door 2 which can be opened and closed is arranged at the front opening of the cabinet body 1 .

[0022] It also includes a rotating back frame 42, a push-pull plate 35 and two U-shaped seats 41. The two U-shaped seats 41 are arranged inside the cabinet 1 one above and one below. Guide rails 44 are respectively arranged on the left and right sides of the U-shaped seat 41. The guide rails 44 are guide rods and are fixedly installed between the front side and the rear side of the inner wall of the cabinet 1.

[0023] Sliding members 43 are fixedly mounted on the left and right sides of the U-shaped seat 41 , respectively. The sliding member 43 is a sliding sleeve. The sliding member 43 is disposed on a guide rail 44 and can slide along the guide rail 44 .

[0024] The rotating back frame 42 is arranged between the two U-shaped seats 41. A bearing is installed in the middle section of the U-shaped seat 41. A rotating shaft 46 is installed in the bearing. The rotating shaft 46 is fixedly connected to the rotating back frame 42 through a rotating disk 45. During wiring, inspection and maintenance, the rotating back frame 42 can be rotated to view the components and line arrangements from multiple angles, making installation and inspection faster, reducing downtime and improving work efficiency. A plurality of mounting plates 7 for mounting components are arranged on the front side of the rotating back frame 42.

[0025] The push-pull plate 35 is arranged in a slot opened on the front side of the cabinet 1, and the rear end of the push-pull plate 35 is fixedly connected to the upper U-shaped seat 41. The push-pull plate 35 can slide in the slot to push the rotating back frame 42 into the cabinet 1 or pull it out from the cabinet 1. When the rotating back frame 42 is pulled out from the cabinet 1, the electrician can install components outside the cabinet 1 and perform wiring outside the cabinet 1, which greatly improves the convenience of operation. In addition, when operating outside the cabinet, the entire wiring and component layout can be seen more intuitively, reducing misoperation caused by obstructed vision.

[0026] It also includes an L-shaped side panel 63 and a straight side panel 61. The L-shaped side panel 63 and the straight side panel 61 are respectively fixedly installed on the left and right positions of the front of the rotating back frame 42. The L-shaped side panel 63 and the straight side panel 61 are each provided with a plurality of slots 62 from top to bottom. The left and right ends of the mounting plate 7 are respectively located in the two oppositely arranged slots 62 on the left and right.

[0027] A hand-pull groove 71 is provided on the mounting plate 7, so that the movement of the mounting plate 7 can be controlled by using the hand-pull groove 71. A positioning hole is provided at the left end of the mounting plate 7, and a plurality of threaded holes are provided in the front side wall of the L-shaped side plate 63 from top to bottom. A ball screw 64 is provided in the threaded hole, and the steel ball of the ball screw 64 is adapted to the positioning hole, so that after the mounting plate 7 is inserted into the slot 62, the steel ball of the ball screw 64 can automatically fit into the positioning hole to position the mounting plate 7 to ensure the stability of the mounting plate 7 during use. The mounting plate 7 does not need to be fixed with screws 33, and is easy to install and disassemble. The position of the mounting plate 7 can be quickly adjusted according to the installation requirements of the components.

[0028] When used specifically, the transformer protection cabinet of the present invention first opens the cabinet door 2, then pulls the push-pull plate 35 forward, and under the action of the guide rail 44 and the sliding member 43, the rotating back frame 42 and the two U-shaped seats 41 move forward smoothly, and the rotating back frame 42 is pulled out of the cabinet body 1. Finally, the electrician installs the components outside the cabinet body 1 and performs wiring outside the cabinet body 1.

[0029] Embodiment 2: On the basis of the first embodiment, Figure 1 and Figure 2 As shown, a baffle 32 is fixedly mounted on the front end of the push-pull plate 35 , and a handle 31 is fixedly mounted on the front side of the baffle 32 , so that an electrician can use the handle 31 to control the movement of the baffle 32 and the push-pull plate 35 .

[0030] A screw 33 is provided in the through hole of the baffle 32, and the screw 33 is welded and fixed to the front side of the cabinet 1. A nut 34 is threadedly connected thereto. The nut 34 contacts the front side of the baffle 32 to fix the position of the baffle 32, and at the same time fixes the position of the push-pull plate 35, the U-shaped seat 41 and the rotating back frame 42.

[0031] Embodiment three: On the basis of the first embodiment, Figure 2 and Figure 3 As shown, two U-shaped clips 5 are also included. The U-shaped clips 5 are buckled on the upper U-shaped seat 41, and the lower ends of the U-shaped clips 5 are in contact with the rotating back frame 42 to position the rotating back frame 42 so that the rotating back frame 42 no longer rotates.

Claims

1. A transformer protection cabinet, comprising a cabinet body, wherein a cabinet door is provided at the front opening of the cabinet body, and the cabinet door is openable and closable, and the cabinet door is characterized in that: It also includes a rotating back frame, a push-pull plate and two U-shaped seats, the two U-shaped seats are arranged inside the cabinet, one above and one below, and guide rails are respectively arranged on the left and right sides of the U-shaped seat, and the guide rails are fixedly installed between the front side of the inner wall and the rear side of the inner wall of the cabinet; Sliding members are fixedly installed on the left and right sides of the U-shaped seat respectively, and the sliding members are arranged on the guide rails and can slide along the guide rails; The rotating back frame is rotatably mounted between the two U-shaped seats, and a plurality of mounting plates for mounting components are arranged on the front side of the rotating back frame; The push-pull plate is arranged in a notch opened on the front side of the cabinet, and the rear end of the push-pull plate is fixedly connected to the U-shaped seat on the upper side. The push-pull plate can slide in the notch to push the rotating back frame into the cabinet or pull it out of the cabinet.

2. The transformer protection cabinet according to claim 1, characterized in that: The sliding member is a sliding sleeve, and the guide rail is a guide rod.

3. The transformer protection cabinet according to claim 1, characterized in that: A baffle is fixedly installed at the front end of the push-pull plate, and a handle is fixedly installed at the front side of the baffle.

4. The transformer protection cabinet according to claim 3, characterized in that: A screw is arranged in the through hole of the baffle, and the screw is welded and fixed to the front side of the cabinet. A nut is threadedly connected to the screw, and the nut contacts the front side of the baffle.

5. The transformer protection cabinet according to claim 1, characterized in that: A bearing is installed in the middle section of the U-shaped seat, a rotating shaft is installed in the bearing, and the rotating shaft is fixedly connected to the rotating back frame through a rotating disk.

6. The transformer protection cabinet according to claim 1, characterized in that: It also includes an L-shaped side panel and a straight side panel, which are respectively fixedly installed on the left and right positions of the front of the rotating back frame. The L-shaped side panel and the straight side panel are each provided with a plurality of slots from top to bottom, and the left and right ends of the mounting plate are respectively located in two oppositely arranged slots on the left and right sides.

7. The transformer protection cabinet according to claim 6, characterized in that: A hand-drawn groove is provided on the installation plate, and a positioning hole is provided on the left end of the installation plate.

8. The transformer protection cabinet according to claim 7, characterized in that: The front side wall of the L-shaped side plate is provided with a plurality of threaded holes in sequence from top to bottom, and ball screws are arranged in the threaded holes, and the steel balls of the ball screws are adapted to the positioning holes.

9. The transformer protection cabinet according to claim 1 or 7, characterized in that: It also includes two U-shaped clips, the U-shaped clips are placed on the U-shaped seat on the upper side, and the lower ends of the U-shaped clips are in contact with the rotating back frame to position the rotating back frame.

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