CN219247244U

CN219247244U - Protective structure of direct current screen

Info

Publication number: CN219247244U
Application number: CN202320056060.XU
Authority: CN
Inventors: 张建伟; 程爱民; 庞华玉
Original assignee: Xinxiang Taihang Jinri Electric Power Equipment Co ltd
Current assignee: Xinxiang Taihang Jinri Electric Power Equipment Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-06-23
Anticipated expiration: 2033-01-09

Abstract

The utility model relates to the technical field of direct current screens and discloses a protective structure of a direct current screen, which comprises lifting feet, wherein one side of each lifting foot is provided with a universal wheel, the top of each universal wheel is fixedly connected with a box body, the front of each box body is provided with a first cabinet door, the middle part of one side of each cabinet door is provided with a first door lock, the inside of each cabinet door is provided with a glass plate, one side of each box body is provided with a third cabinet door, the top of each third cabinet door is provided with a second door lock, the bottom of each third cabinet door is provided with a first ventilation hole, the bottom of the back of each box body is provided with a wire arrangement hole, the middle of the back of each box body is provided with a second cabinet door, and when the outside impacts the box body, a damper is used for buffering the shaking generated pressure through the shrinkage of a spring and the expansion and contraction of a hydraulic rod in an oil cylinder, so that shaking and impact received by each component of the direct current screen fixed on a fixed lever are reduced, damage to the direct current screen caused by the impact is reduced, and the protector runs normally.

Description

Protective structure of direct current screen

Technical Field

The utility model relates to the technical field of direct current screens, in particular to a protective structure of a direct current screen.

Background

The DC screen is a brand new digital control, protection, management and measurement novel DC system, can control the power source sources of loads, power loads, DC accident lighting loads and the like, and is a basis for the control and protection of contemporary power systems.

The existing direct current screen protection structure is generally a direct current screen cabinet, and the direct current screen cabinet mainly comprises a box body, a mounting plate of each module of the direct current screen, a ventilation and heat dissipation structure and a wire arrangement and line arrangement structure, so that the direct current screen is integrally protected in the cabinet body, a protection effect is achieved, a powerful protection is provided for long-term stable operation of the direct current screen, and some problems still exist in the practical use process.

Firstly, in some severe use environments, such as mines, railways and the like, unpredictable impacts may exist, or the box body is damaged due to accidental human factors, and the components of the direct current screen in the direct current screen cabinet may be damaged by impact generated by the impacts, so that the direct current screen cannot work normally, and even power accidents are caused.

Secondly, the current direct current screen cabinet is generally installed the universal wheel in cabinet body bottom and is convenient for the removal of direct current screen cabinet, but the universal wheel highly is fixed, when direct current screen cabinet need use in the uneven ground of topography, can exist the cabinet body slope, inconvenient use's situation.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a protection structure of a dc screen, so as to solve the above-mentioned problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a protective structure of direct current screen, includes the lift foot, one side of lift foot is equipped with the universal wheel, the top fixedly connected with box of universal wheel, the front of box is equipped with first cabinet door, the middle part of first cabinet door one side is equipped with first lock, the inside of first cabinet door is equipped with the glass board, one side of box is equipped with the third cabinet door, the top of third cabinet door is equipped with the second lock, first bleeder vent has been seted up to the bottom of third cabinet door, the winding displacement hole has been seted up to the bottom of box back, the middle part of box back is equipped with the second cabinet door, the second bleeder vent has been seted up to the bottom of second cabinet door, the third bleeder vent has been seted up at the top of second cabinet door, the middle part of second cabinet door is equipped with the third lock, the inside bottom fixedly connected with retarder of box, the top fixedly connected with first fixed plate of retarder, the inside fixedly connected with fan in groove, the first bleeder vent has been seted up at the top of worm wheel groove, the front fixed connection support column fixed connection has the support column, the front fixed connection has the support column fixed connection.

Further, the protection structure of a direct current screen, its characterized in that: the shock absorber comprises a first fixed block, a fixed hole is formed in the first fixed block, a first spring pad is arranged at the bottom of the first fixed block, a spring is arranged at the bottom of the first spring pad, a hydraulic rod is arranged in the spring, an oil cylinder is movably sleeved at the bottom of the hydraulic rod, a second spring pad is arranged at the top of the oil cylinder, a through hole is formed in the second spring pad, and a second fixed block is fixedly connected to the bottom of the oil cylinder.

Further, the universal wheel should contact the ground before the height of the lifting foot is adjusted to the lowest, and the universal wheel should be separated from the ground before the height of the lifting foot is adjusted to the highest.

Further, the glass plate is made of toughened glass.

Further, the number of the shock absorbers is twenty-four, and each surface inside the box body is fixedly connected with four shock absorbers.

Further, the second cabinet door is a double door cabinet door.

Furthermore, the third door lock is a connecting rod lock, and the third cabinet door can be integrally detached.

The utility model has the technical effects and advantages that:

according to the utility model, twenty-four shock absorbers are arranged on six surfaces in the box body, when the box body is impacted by the outside, the box body drives the shock absorbers fixed on all surfaces in the box body to shake, and the shock absorbers buffer the shake generated pressure through the contraction of the springs and the expansion and contraction of the hydraulic rods in the oil cylinders, so that the shake and impact received by all components of the direct current screen fixed on the fixed bars are reduced, the damage to the direct current screen caused by the impact is reduced, and the protector operates normally.

According to the utility model, the lifting feet and the universal wheels are arranged at the same time, so that the lifting feet are lowered to separate from the ground, the universal wheels contact the ground, the direct-current screen cabinet can be moved, the lifting feet are lifted to separate the universal wheels from the ground, the heights of the lifting feet can be further adjusted, the whole direct-current screen cabinet is in a horizontal state, and the installation and the use of the direct-current screen cabinet are facilitated.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic view of the back structure of the present utility model.

Fig. 3 is a schematic cross-sectional structure of the present utility model.

Fig. 4 is a schematic cross-sectional structure of the present utility model.

Fig. 5 is a schematic view of a shock absorber mounting structure of the present utility model.

Fig. 6 is a schematic view of a shock absorber according to the present utility model.

Fig. 7 is a schematic view of the bottom structure of the present utility model.

The reference numerals are: 1. lifting feet; 2. a universal wheel; 3. a case; 4. a first cabinet door; 5. a glass plate; 6. a first door lock; 7. a second door lock; 8. a first ventilation hole; 9. a wire arrangement hole; 10. a second ventilation hole; 11. a third door lock; 12. a second cabinet door; 13. a third vent; 14. a shock absorber; 1401. a first fixed block; 1402. a first spring pad; 1403. a spring; 1404. a hydraulic rod; 1405. a second spring pad; 1406. a through hole; 1407. an oil cylinder; 1408. a second fixed block; 1409. a fixing hole; 15. a first fixing plate; 16. a ventilation groove; 17. fourth ventilation holes; 18. a worm wheel fan; 19. a support column; 20. a fixed bar; 21. a mounting hole; 22. a second fixing plate; 23. and a third cabinet door.

Detailed Description

The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configurations of the structures described in the following embodiments are merely examples, and the protection structure of the dc screen according to the present utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any creative effort are within the scope of protection of the present utility model.

Referring to fig. 1-7, the utility model provides a protection structure of a direct current screen, comprising lifting feet 1, one side of the lifting feet 1 is provided with universal wheels 2, the top of the universal wheels 2 is fixedly connected with a box body 3, the front of the box body 3 is provided with a first door 4, the middle of one side of the first door 4 is provided with a first door lock 6, the inside of the first door 4 is provided with a glass plate 5, one side of the box body 3 is provided with a third door 23, the top of the third door 23 is provided with a second door lock 7, the bottom of the third door 23 is provided with a first ventilation hole 8, the bottom of the back of the box body 3 is provided with a wire arranging hole 9, the middle of the back of the box body 3 is provided with a second door 12, the bottom of the second door 12 is provided with a second ventilation hole 10, the top of the second door 12 is provided with a third ventilation hole 13, the middle of the second door 12 is provided with a third door lock 11, the bottom of the inside of the box body 3 is fixedly connected with a damper 14, the top of the damper 14 is fixedly connected with a first fixing plate 15, the bottom of the first fixing plate 15 is provided with a groove 16, the bottom of the third fixing plate 16 is provided with a worm wheel 16 is fixedly connected with a second ventilation hole 16, the top of the damper 16 is fixedly connected with a fourth ventilation hole 19, the damper 19 is fixedly connected with a damper 19, and the top of the damper 19 is fixedly connected with a damper 19, and the damper 19 is fixedly arranged at the top of the damper 19, and the damper is fixedly 20 is fixedly connected with the top of the damper 19, and the

top

20, 20 is fixedly arranged at the top of the damper is fixedly and 20, and the damper is fixedly 20, and the front of the damper 20 is fixedly and the damper 20 is fixedly connected with the top and the damper 20.

In a preferred embodiment, the damper 14 includes a first fixed block 1401, a fixed hole 1409 is formed in the first fixed block 1401, a first spring pad 1402 is disposed at the bottom of the first fixed block 1401, a spring 1403 is disposed at the bottom of the first spring pad 1402, a hydraulic rod 1404 is disposed in the spring 1403, an oil cylinder 1407 is movably sleeved at the bottom of the hydraulic rod 1404, a second spring pad 1405 is disposed at the top of the oil cylinder 1407, a through hole 1406 is formed in the second spring pad 1405, and a second fixed block 1408 is fixedly connected to the bottom of the oil cylinder 1407, so that impact generated by impact of each component of the dc screen due to the box 3 can be effectively buffered.

In a preferred embodiment, the universal wheel 2 should contact the ground before the height of the lifting foot 1 is adjusted to the lowest, and the universal wheel 2 should leave the ground before the height of the lifting foot 1 is adjusted to the highest, so that the lifting foot 1 and the universal wheel 2 can respectively contact the ground independently after the height of the lifting foot 1 is adjusted, and the direct current screen cabinet can be normally moved and fixed.

In a preferred embodiment, the material of the glass plate 5 is tempered glass, so that the operation of the dc screen through the glass plate 5 can be observed even in the case where the first cabinet door 4 is closed, and the tempered glass material ensures its strength so that it is not easily damaged by external impact.

In a preferred embodiment, the number of the shock absorbers 14 is twenty four, and each surface inside the box body 3 is fixedly connected with four shock absorbers 14, so that when the direct current screen inside the box body 3 receives impact in all directions, the impact can be reduced through the shock absorbers 14, and the safety and stability of each component of the direct current screen are ensured.

In a preferred embodiment, the second door 12 is a double door, reducing the space required to open the door, facilitating maintenance operations by opening the door in a small space.

In a preferred embodiment, the third door lock 11 is a link lock, the third door 23 is integrally removable, reducing the space required to open the door, and reducing the shielding of the door from the dc screen during maintenance, facilitating operation.

The working principle of the utility model is as follows: firstly, the height of the lifting foot 1 is lowered to enable the lifting foot 1 to be separated from the ground, the universal wheels 2 are contacted with the ground, after the direct current screen cabinet is moved to a proper position, the height of the lifting foot 1 is raised to enable the lifting foot 1 to be contacted with the ground, the universal wheels 2 are separated from the ground, and then the heights of the lifting feet 1 are further adjusted to enable the whole direct current screen cabinet to be in a horizontal state. The direct current screen components are fixed in the box body 3 through the shock absorbers 14, the support columns 19, the first fixing plates 15, the second fixing plates 22 and the fixing bars 20, twenty four shock absorbers 14 are arranged on six surfaces in the box body 3, when the box body 3 is impacted by the outside, the box body 3 drives the shock absorbers 14 fixed on all surfaces in the box body to shake, and the shock absorbers 14 absorb the pressure generated by shaking through the contraction of the springs 1403 and the expansion and contraction of the hydraulic rods 1404 in the oil cylinders 1407, so that the shaking and impact of the direct current screen components fixed on the fixing bars 20 are reduced.

Claims

1. The utility model provides a protective structure of direct current screen, includes lift foot (1), its characterized in that: one side of lift foot (1) is equipped with universal wheel (2), the top fixedly connected with box (3) of universal wheel (2), the front of box (3) is equipped with first cabinet door (4), the middle part of first cabinet door (4) one side is equipped with first lock (6), the inside of first cabinet door (4) is equipped with glass board (5), one side of box (3) is equipped with third cabinet door (23), the top of third cabinet door (23) is equipped with second door lock (7), first bleeder vent (8) have been seted up to the bottom of third cabinet door (23), winding displacement hole (9) have been seted up to the bottom at box (3) back, the middle part at box (3) back is equipped with second cabinet door (12), second bleeder vent (10) have been seted up to the bottom of second cabinet door (12), third bleeder vent (13) have been seted up at the top of second cabinet door (12), the middle part of second cabinet door (12) is equipped with third door lock (11), first bump plate (16) have first bump plate (16) to be connected with in the bottom of box (3) inside, bump plate (16) is connected with a fixed slot (16), the top of ventilation groove (16) has seted up fourth bleeder vent (17), the top fixedly connected with support column (19) of first fixed plate (15), the front fixedly connected with dead lever (20) of support column (19), mounting hole (21) have been seted up to the inside of dead lever (20), the top fixedly connected with second fixed plate (22) of support column (19).

2. The protective structure of a dc screen according to claim 1, wherein: the shock absorber (14) comprises a first fixed block (1401), fixed holes (1409) are formed in the first fixed block (1401), first spring pads (1402) are arranged at the bottoms of the first fixed block (1401), springs (1403) are arranged at the bottoms of the first spring pads (1402), hydraulic rods (1404) are arranged in the springs (1403), oil cylinders (1407) are movably sleeved at the bottoms of the hydraulic rods (1404), second spring pads (1405) are arranged at the tops of the oil cylinders (1407), through holes (1406) are formed in the second spring pads (1405), and second fixed blocks (1408) are fixedly connected to the bottoms of the oil cylinders (1407).

3. The protective structure of a dc screen according to claim 1, wherein: the number of the shock absorbers (14) is twenty-four, and each surface inside the box body (3) is fixedly connected with four shock absorbers (14).

4. The protective structure of a dc screen according to claim 1, wherein: the second cabinet door (12) is a double door cabinet door.

5. The protective structure of a dc screen according to claim 1, wherein: the third door lock (11) is a connecting rod lock, and the third cabinet door (23) can be integrally detached.