Convenient overhaul and maintenance device for box transformer substation
By designing a convenient inspection and maintenance device, the problem of inconvenient endoscope observation in the box transformer is solved, the stable movement and angle adjustment of the endoscope in the box are achieved, and the observation efficiency and safety are improved.
Patent Information
- Application Number
- CN202422225353.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-09-11
AI Technical Summary
During the existing inspection and maintenance of box-type transformers, it is inconvenient to adjust the endoscope, especially when observing in the corners of the box. It is cumbersome and unstable, affecting observation efficiency.
A convenient inspection and maintenance device is designed, which includes a handle, a fixed elbow, a telescopic tube, a rotating elbow and an endoscope. Through the cooperation of the disc and the guide assembly, the stable movement and angle adjustment of the endoscope are achieved, the observation stability is enhanced, and the convenience and safety of operation are improved through the locking assembly and the anti-sliding block.
The adjustability and stability of the endoscope in the box are improved, shaking and scratching during observation are reduced, and the convenience and safety of observation are enhanced.
Smart Images

Figure CN223402124U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of box-type transformers, in particular to a convenient repair and maintenance device for box-type transformers. Background Art
[0002] A box transformer, also known as a box-type transformer, is an electrical equipment that installs a traditional transformer and its supporting equipment in a box-type casing.
[0003] The box-type transformer mainly consists of a transformer, a high-voltage voltage control device and a low-voltage voltage control device. The working principle of the box-type transformer is to use the principle of electromagnetic induction to transfer voltage from one coil to another, thereby generating voltage. When in use, the box-type transformer needs to be maintained and serviced, mainly including cleaning the box and cooling system, measuring the oil level, detecting insulation and joints, and detecting the electrical parameters of the transformer.
[0004] In the existing box-type transformer inspection and maintenance technology, there are some corners in the box that are inconvenient to observe. Usually, an endoscope is used to inspect and observe the corners in the box. When observing the inside of the box, the position of the endoscope in the box needs to be adjusted. The connecting line of the endoscope is relatively soft and the adjustment steps are relatively cumbersome.
[0005] To this end, the utility model provides a convenient inspection and maintenance device for a box-type transformer. Utility Model Content
[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.
[0007] The technical solution adopted by the present invention to solve its technical problems is as follows: the utility model is a convenient inspection and maintenance device for a box transformer, comprising a handle; one end of the handle is fixedly connected to a fixed elbow; the end of the handle away from the fixed elbow is fixedly connected to a telescopic tube; the end of the telescopic tube away from the handle is rotatably connected to a rotating elbow; an endoscope is slidably fitted inside the rotating elbow; the endoscope passes through the rotating elbow, the telescopic tube, the handle and the fixed elbow; the end of the endoscope close to the fixed elbow is fixedly connected to a display screen; the handle The handle is rotatably connected to the bottom of the box; a pair of discs are arranged in the middle of the handle and are symmetrically arranged; a guide component is provided on the side wall of the handle; a locking component is provided on the side wall of the handle close to the disc; in this step, the device is extended into the corner of the box through the arrangement of the handle, the fixed elbow, the clamping plate, the disc and the rotating elbow, and the disc is moved to drive the endoscope to move in the rotating elbow and the telescopic tube, and the rotating elbow is extended to observe the inside of the box, thereby improving the adjustability of the device during use, increasing the stability of the endoscope during observation, and reducing the shaking of the endoscope during observation.
[0008] Preferably, the guide assembly includes a push rod, a spring and a roller; the push rod is slidably connected to the side wall of the handle; a pair of push rods are arranged on the side wall of the handle and are symmetrically arranged; the end of the push rod close to the disc is fixedly connected to the roller; the outer wall of the push rod away from the roller is covered with a spring; in this step, through the arrangement of the push rod, spring and roller, when the endoscope moves in the handle, the push rod, spring and roller clamp and guide the endoscope, thereby improving the smoothness of the endoscope when moving in the handle and reducing the possibility of scratches on the endoscope when moving in the handle.
[0009] Preferably, the locking assembly includes a card plate and a shift block; the card plate is slidably connected to the side wall of the handle close to the disc; a pair of card plates are arranged on the side wall of the handle and are symmetrically arranged; the shift block is fixedly connected to the side wall of the card plate away from the handle; in this step, through the arrangement of the card plate and the shift block, the shift block is shifted to make the card plate clamp the disc, thereby reducing the sliding of the endoscope in the handle and improving the stability of the endoscope when shooting in the box.
[0010] Preferably, the side wall of the handle close to the top rod is fixedly connected with an anti-sliding block; the anti-sliding blocks are arranged in multiple groups on the side wall of the handle and are symmetrically arranged; in this step, through the setting of the anti-sliding block, the hand contacts the anti-sliding block, which increases the friction between the hand and the handle and reduces slipping when the device is used.
[0011] Preferably, the end of the fixed elbow away from the handle is fixedly connected to a bracket; the end of the bracket away from the fixed elbow is fixedly connected to the side wall of the display screen; in this step, by setting the bracket, the angle of the display screen is adjusted by rotating the bracket, which increases the convenience when observing the display screen and improves the adjustability of the device.
[0012] Preferably, the inner wall of the rotating bend tube away from the telescopic tube is fixedly connected to an elastic plate; the inner wall of the elastic plate is in contact with the outer wall of the endoscope; this step seals the gap between the endoscope and the rotating bend tube through the setting of the elastic plate, reducing dust or foreign matter from entering the rotating bend tube, thereby causing abnormal wear of the endoscope.
[0013] Preferably, the rotating bend is made of insulating material; the rotating bend is made of insulating material to reduce the situation of electrical conduction; this step improves the safety of the device when in use by setting the rotating bend to be made of insulating material.
[0014] The beneficial effects of the utility model are as follows:
[0015] 1. The utility model describes a convenient inspection and maintenance device for a box-type transformer. By setting a handle, a fixed elbow, a clamping plate, a disc and a rotating elbow, the device is extended into the corner of the box. By turning the disc, the endoscope is driven to move in the rotating elbow and the telescopic tube, and the rotating elbow is extended to observe the inside of the box, thereby improving the adjustability of the device during use, increasing the stability of the endoscope during observation, and reducing the shaking of the endoscope during observation.
[0016] 2. The utility model describes a convenient inspection and maintenance device for a box-type transformer. Through the arrangement of a push rod, a spring and a roller, when the endoscope moves in the handle, the push rod, the spring and the roller clamp and guide the endoscope, thereby improving the smoothness of the endoscope when moving in the handle and reducing the possibility of scratches on the endoscope when moving in the handle. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The present invention will be further described below with reference to the accompanying drawings.
[0018] Figure 1 It is a three-dimensional diagram of the utility model;
[0019] Figure 2 This is a schematic diagram of the structure of the disc and the clamping plate in the utility model;
[0020] Figure 3 This is a schematic diagram of the structure of the cooperation between the roller and the push rod in the utility model;
[0021] Figure 4 It is a structural diagram of the cooperation between the display screen and the bracket in the utility model.
[0022] In the figure: 1. Handle; 11. Fixed elbow; 12. Display screen; 13. Telescopic tube; 14. Endoscope; 15. Disc; 16. Rotating elbow; 2. Push rod; 21. Spring; 22. Roller; 3. Clamping plate; 31. Shifting block; 4. Anti-sliding block; 5. Bracket; 6. Elastic plate. DETAILED DESCRIPTION
[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.
[0024] like Figures 1 to 4As shown, a convenient maintenance device for a box transformer described in an embodiment of the present invention comprises a handle 1; one end of the handle 1 is fixedly connected to a fixed elbow 11; the end of the handle 1 away from the fixed elbow 11 is fixedly connected to a telescopic tube 13; the end of the telescopic tube 13 away from the handle 1 is rotatably connected to a rotating elbow 16; an endoscope 14 is slidably fitted inside the rotating elbow 16; the endoscope 14 passes through the rotating elbow 16, the telescopic tube 13, the handle 1 and the fixed elbow 11; the end of the endoscope 14 close to the fixed elbow 11 is fixedly connected to a display screen 12; the middle part of the handle 1 is rotatably connected to a disc 15; a pair of discs 15 are arranged in the middle of the handle 1 and are symmetrically arranged; a guide assembly is provided on the side wall of the handle 1; a locking assembly is provided on the side wall of the handle 1 close to the disc 15; during operation, the rotating elbow 16 is rotated to a suitable angle, the device is extended into the corner of the box, and the disc 15 is moved. The outer wall of 15 contacts the outer wall of the endoscope 14, and when the disc 15 rotates, it drives the endoscope 14 to move in the middle of the handle 1, the telescopic tube 13 and the rotating elbow 16. The endoscope 14 is restricted in the middle of the handle 1 by the guide component, and the endoscope 14 extends out of the rotating elbow 16, and the display screen 12 is turned on. The display screen 12 displays the image illuminated by the endoscope 14 to observe the situation inside the box. After the inspection is completed, the disc 15 is dialed in the opposite direction to retract the endoscope 14 into the fixed elbow 11, and then the device is taken out from the box; this step is to extend the device into the corner of the box through the arrangement of the handle 1, the fixed elbow 11, the clamping plate 3, the disc 15 and the rotating elbow 16, and to dial the disc 15 to drive the endoscope 14 to move in the rotating elbow 16 and the telescopic tube 13, and extend the rotating elbow 16 to observe the inside of the box, thereby improving the adjustability of the device when in use, increasing the stability of the endoscope 14 during observation, and reducing the shaking of the endoscope 14 during observation.
[0025] like Figure 2 and Figure 3 As shown, the guide assembly includes a push rod 2, a spring 21 and a roller 22; the push rod 2 is slidably connected to the side wall of the handle 1; a pair of push rods 2 are arranged on the side wall of the handle 1, and are symmetrically arranged; the end of the push rod 2 close to the disc 15 is fixedly connected to the roller 22; the outer wall of the push rod 2 away from the roller 22 is covered with a spring 21; during operation, the spring 21 supports the push rod 2, so that the roller 22 contacts and clamps the endoscope 14, and when the endoscope 14 moves in the handle 1, the roller 22 rotates to guide the endoscope 14; this step is achieved through the arrangement of the push rod 2, spring 21 and roller 22, so that when the endoscope 14 moves in the handle 1, the push rod 2, spring 21 and roller 22 clamp and guide the endoscope 14, thereby improving the smoothness of the endoscope 14 when moving in the handle 1 and reducing the possibility of scratches on the endoscope 14 when moving in the handle 1.
[0026] like Figure 3As shown, the locking assembly includes a card plate 3 and a shift block 31; the card plate 3 is slidably connected to the side wall of the handle 1 close to the disc 15; a pair of card plates 3 are arranged on the side wall of the handle 1, and are symmetrically arranged; the shift block 31 is fixedly connected to the side wall of the card plate 3 away from the handle 1; during operation, after the endoscope 14 is extended to a suitable position, the shift block 31 is shifted to make the card plate 3 contact with the disc 15, and the card plate 3 clamps the disc 15 to limit the rotation of the disc 15; this step is achieved by setting the card plate 3 and the shift block 31, and the shift block 31 is shifted to make the card plate 3 clamp the disc 15, thereby reducing the sliding of the endoscope 14 in the handle 1 and improving the stability of the endoscope 14 when shooting inside the box.
[0027] like Figure 1 As shown, the side wall of the handle 1 close to the top rod 2 is fixedly connected with an anti-sliding block 4; the anti-sliding blocks 4 are arranged in multiple groups on the side wall of the handle 1 and are symmetrically arranged; during operation, when using the device, when holding the handle 1, the hand contacts the anti-sliding block 4, reducing the slipping during use; this step increases the friction between the hand and the handle 1 by setting the anti-sliding block 4, reducing the slipping during use of the device.
[0028] like Figure 4 As shown, the end of the fixed elbow 11 away from the handle 1 is fixedly connected to the bracket 5; the end of the bracket 5 away from the fixed elbow 11 is fixedly connected to the side wall of the display screen 12; during operation, the bracket 5 connects the display screen 12 to the fixed elbow 11, and when the angle of the display screen 12 needs to be adjusted, the angle of the display screen 12 is adjusted by rotating the bracket 5; this step increases the convenience of observing the display screen 12 by rotating the bracket 5, thereby improving the adjustability of the device.
[0029] like Figure 1 As shown, the inner wall of the rotating bend 16 away from the telescopic tube 13 is fixedly connected to an elastic plate 6; the inner wall of the elastic plate 6 is in contact with the outer wall of the endoscope 14; during operation, when the endoscope 14 slides in the rotating bend 16, the elastic plate 6 slides with the endoscope 14 and seals the space between the endoscope 14 and the rotating bend 16; this step seals the gap between the endoscope 14 and the rotating bend 16 through the setting of the elastic plate 6, reducing the entry of dust or foreign matter into the rotating bend 16, thereby reducing abnormal wear of the endoscope 14.
[0030] like Figure 1 As shown, the rotating elbow 16 is made of insulating material; during operation, the rotating elbow 16 is made of insulating material to reduce the situation of electrical conduction; this step improves the safety of the device when in use by setting the rotating elbow 16 to be made of insulating material.
[0031] During operation, the rotating elbow 16 is rotated to a suitable angle, the device is extended into the corner of the box, and the disc 15 is dialed. The outer wall of the disc 15 contacts the outer wall of the endoscope 14. When the disc 15 rotates, it drives the endoscope 14 to move between the handle 1, the telescopic tube 13 and the middle of the rotating elbow 16. The endoscope 14 is restricted to the middle of the handle 1 by the guide component. The endoscope 14 extends from the rotating elbow 16, and the display screen 12 is turned on. The display screen 12 displays the image illuminated by the endoscope 14 to observe the situation inside the box. After the inspection is completed, the disc 15 is dialed in the opposite direction to retract the endoscope 14 into the fixed elbow 11, and then the device is taken out of the box; the spring 21 supports the push rod 2, so that the roller 22 contacts and clamps the endoscope 14, and the endoscope 14 is in When the handle 1 moves inside, the roller 22 rotates to guide the endoscope 14; after the endoscope 14 is extended to the appropriate position, the dial block 31 is toggled to make the card plate 3 contact with the disk 15, and the card plate 3 clamps the disk 15 to limit the rotation of the disk 15; when using the device, when holding the handle 1, the hand contacts the anti-slip block 4 to reduce slipping during use; the bracket 5 connects the display screen 12 to the fixed elbow 11, and when the angle of the display screen 12 needs to be adjusted, the angle of the display screen 12 is adjusted by rotating the bracket 5; when the endoscope 14 slides in the rotating elbow 16, the elastic plate 6 slides with the endoscope 14 and seals between the endoscope 14 and the rotating elbow 16; the rotating elbow 16 is made of insulating material to reduce conductivity.
[0032] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.
Claims
1. A convenient maintenance device for a box-type transformer, comprising a handle (1); characterized in that: One end of the handle (1) is fixedly connected to a fixed elbow (11); the end of the handle (1) away from the fixed elbow (11) is fixedly connected to a telescopic tube (13); the end of the telescopic tube (13) away from the handle (1) is rotatably connected to a rotating elbow (16); an endoscope (14) is slidably fitted inside the rotating elbow (16); the endoscope (14) passes through the rotating elbow (16), the telescopic tube (13), the handle (1) and the fixed elbow (11); the end of the endoscope (14) close to the fixed elbow (11) is fixedly connected to a display screen (12); the middle of the handle (1) is rotatably connected to a disk (15); a pair of disks (15) are provided in the middle of the handle (1) and are symmetrically arranged; a guide assembly is provided on the side wall of the handle (1); and a locking assembly is provided on the side wall of the handle (1) close to the disk (15).
2. The convenient maintenance device for a box-type transformer according to claim 1 is characterized in that: The guide assembly comprises a push rod (2), a spring (21) and a roller (22); the push rod (2) is slidably connected to the side wall of the handle (1); a pair of push rods (2) are provided on the side wall of the handle (1) and are symmetrically arranged; the end of the push rod (2) close to the disc (15) is fixedly connected to the roller (22); the outer wall of the push rod (2) away from the roller (22) is covered with a spring (21).
3. The convenient maintenance device for a box-type transformer according to claim 1 is characterized in that: The locking assembly comprises a card plate (3) and a shift block (31); the card plate (3) is slidably connected to the side wall of the handle (1) close to the disc (15); a pair of card plates (3) are provided on the side wall of the handle (1) and are symmetrically arranged; the shift block (31) is fixedly connected to the side wall of the card plate (3) away from the handle (1).
4. The convenient maintenance device for a box-type transformer according to claim 2 is characterized in that: The side wall of the handle (1) close to the top rod (2) is fixedly connected with an anti-sliding block (4); multiple groups of the anti-sliding blocks (4) are arranged on the side wall of the handle (1) and are symmetrically arranged.
5. The convenient maintenance device for a box-type transformer according to claim 1 is characterized in that: The end of the fixed curved tube (11) away from the handle (1) is fixedly connected to a bracket (5); the end of the bracket (5) away from the fixed curved tube (11) is fixedly connected to the side wall of the display screen (12).
6. The convenient maintenance device for a box-type transformer according to claim 1 is characterized in that: The inner side wall of the rotating bend tube (16) away from the telescopic tube (13) is fixedly connected to an elastic plate (6); the inner side wall of the elastic plate (6) is in contact with the outer side wall of the endoscope (14).
7. The convenient maintenance device for a box-type transformer according to claim 1 is characterized in that: The rotating elbow (16) is made of insulating material.