CN221009803U - Colliery power supply current protection device - Google Patents
Colliery power supply current protection device Download PDFInfo
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- CN221009803U CN221009803U CN202323016862.7U CN202323016862U CN221009803U CN 221009803 U CN221009803 U CN 221009803U CN 202323016862 U CN202323016862 U CN 202323016862U CN 221009803 U CN221009803 U CN 221009803U
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- case
- mounting plate
- power supply
- sliding
- protection device
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- 239000003245 coal Substances 0.000 claims abstract description 18
- 238000009423 ventilation Methods 0.000 claims abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 239000010881 fly ash Substances 0.000 description 10
- 238000000926 separation method Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to the technical field of coal mine electric control, in particular to a coal mine power supply current protection device which comprises a case, a mounting plate, a connecting rod and a sleeve. The machine case is provided with a wire inlet hole communicated with the interior of the machine case, the bottom of the machine case is provided with an air inlet hole communicated with the interior of the machine case, a filter screen is arranged in the air inlet hole, and the machine case is provided with a radiator. The mounting panel slides and sets up in quick-witted incasement, sets up the host computer on the mounting panel. Two sliding rods are arranged in the case below the mounting plate in parallel, two sliding blocks are symmetrically and slidably arranged on the sliding rods, two springs are sleeved on the sliding rods, the springs on the two sides are respectively abutted against the corresponding side sliding blocks and the inner wall of the case, and the sliding blocks on the two sides are respectively connected with the bottom of the mounting plate through connecting rods. The sliding blocks on the two sides are provided with ejector rods which are connected with pistons. The piston is inserted into the corresponding side sleeve and is in sliding connection with the corresponding side sleeve, and the sleeve is provided with a one-way exhaust pipe and a one-way air inlet pipe which are communicated with the interior of the sleeve. The utility model has high stability and good ventilation and heat dissipation performance.
Description
Technical Field
The utility model relates to the technical field of coal mine electric control, in particular to a coal mine power supply current protection device.
Background
Because the coal mine environment is complex, a large amount of free fly ash exists in the coal mine, and in order to discharge the interference of the fly ash on a power supply system, a current protection device is required to be additionally arranged on power supply equipment, however, most of the existing current protection devices are simple protective covers, the functions are few, and even the heat dissipation of the whole equipment can be influenced.
The Chinese patent with the bulletin number of CN211629852U discloses a current protection device for coal mine power supply, which comprises a vertical seat, a dust-proof cover and a base, wherein the top of the vertical seat is fixedly connected with the bottom of the base, a separation groove is formed in the top of the vertical seat, the separation groove is spliced with the bottom of the dust-proof cover, a wire inlet groove is formed in the top of the vertical seat, and a first exhaust fan is fixedly connected to the right inner wall of the dust-proof cover. This electric current protection device for colliery power supply is through setting up dust separation cover, separate the groove, the air-supply line, first filter screen, first air discharge fan, the second air discharge fan, go out tuber pipe, second filter screen, inhale the dust separation cover with external air by first air discharge fan in, before the air gets into the air-supply line, the coal ash dust that mixes in the air is separated by first filter screen, solved current colliery power supply equipment electric current protection device when satisfying the dust separation needs, inside ventilation is not enough, power supply equipment easily heaies up, satisfy inside ventilation demand, but the problem that the dust separation effect is not good.
However, the device still has the defects that: the device will vibrate during operation and the device lacks an efficient shock absorbing structure.
Disclosure of utility model
The utility model aims to solve the problems in the background technology and provides a coal mine power supply current protection device.
The technical scheme of the utility model is as follows: a coal mine power supply current protection device comprises a machine case, a mounting plate, a connecting rod and a sleeve.
The machine case is provided with a wire inlet hole communicated with the interior of the machine case, the bottom of the machine case is provided with an air inlet hole communicated with the interior of the machine case, a filter screen is arranged in the air inlet hole, and the machine case is provided with a radiator.
The mounting panel slides and sets up in quick-witted incasement, can dismantle on the mounting panel and set up the host computer. Two sliding rods are arranged in the case below the mounting plate in parallel, two sliding blocks are symmetrically and slidingly arranged on the sliding rods, two springs are symmetrically sleeved on the sliding rods, the springs on two sides are respectively abutted with the corresponding side sliding blocks and the inner wall of the case, and the sliding blocks on two sides are respectively connected with the bottom of the mounting plate through connecting rods. And the two sides of the sliding blocks are far away from each other, and the two sides of the sliding blocks are provided with ejector rods which are connected with the piston. The sleeve is symmetrically arranged in the case, the pistons at two sides are respectively inserted into the corresponding side sleeves and are in sliding connection with the corresponding side sleeves, and the sleeves are provided with a one-way exhaust pipe and a one-way air inlet pipe which are communicated with the inside of the sleeve.
Preferably, the two sides of the chassis are symmetrically provided with the ear plates, and the two side ear plates are symmetrically provided with two mounting holes. The bottom of the case is provided with a plurality of waterproof locking sleeves, and each waterproof locking sleeve is respectively coated and arranged outside the corresponding side wire inlet hole.
Preferably, a box door rotationally connected with the machine box is arranged on the machine box, a door lock assembly locked with the machine box is arranged on the box door, and a transparent observation window is arranged on the box door.
Preferably, bolts are also included. One side of the mounting plate far away from the radiator is provided with air holes, two mounting seats are symmetrically arranged on the mounting plate, and the host is connected with the mounting seats through bolts.
Preferably, one end of the connecting rod, which is far away from the sliding block, is provided with a connecting seat which is rotationally connected with the connecting rod, and the connecting seat is connected with the bottom of the mounting plate.
Preferably, the inner diameter of the one-way exhaust pipe is larger than the inner diameter of the one-way air inlet pipe, and the conduction direction of the one-way exhaust pipe and the one-way air inlet pipe is opposite.
Preferably, the scraping plate is arranged in the air inlet in a rotating way, the lower surface of the scraping plate is connected with the upper surface of the filter screen in a sliding way, and the motor for driving the scraping plate to rotate is arranged in the case.
Compared with the prior art, the utility model has the following beneficial technical effects:
Through setting up radiator and filter screen, when the host computer is in operating condition, it can produce heat, and the radiator keeps running, and the outside air gets into quick-witted incasement along the inlet port, and the fly ash that mixes in the outside air then is blocked by the filter screen, makes the air that gets into in the quick-witted incasement do not contain fly ash particulate matter. Simultaneously, the operation of a host machine can generate vibration, the movable plate vibrates to drive the angles of connecting rods at two sides of the bottom to change, so that the connecting rods are utilized to push sliding blocks at two sides to slide, the sliding blocks drive ejector rods to slide, a piston connected with the ejector rods stretches into a sleeve and discharges air in the sleeve along a one-way exhaust pipe, the sliding blocks slide to squeeze a spring, the spring pushes the sliding blocks outwards, the piston moves back to reset, but in the piston moving back process, the air speed entering the sleeve is slow, so that the process is slower, the aim of absorbing elastic potential energy is achieved by utilizing the structure, and the device is simple in structure and high in stability.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is an internal block diagram of the chassis;
FIG. 3 is a diagram showing the connection structure of the components on the slide bar.
Reference numerals: 1. a chassis; 101. a wire inlet hole; 102. an air inlet hole; 2. a door; 3. a waterproof locking sleeve; 4. a filter screen; 5. a scraper; 6. a motor; 7. a heat sink; 8. a mounting plate; 9. a host; 10. a slide bar; 11. a slide block; 12. a spring; 13. a connecting rod; 14. a connecting seat; 15. a push rod; 16. a piston; 17. a sleeve; 18. a one-way exhaust pipe; 19. a one-way air inlet pipe.
Detailed Description
Example 1
As shown in fig. 1-3, the utility model provides a coal mine power supply current protection device, which comprises a case 1, a mounting plate 8, a connecting rod 13 and a sleeve 17.
The case 1 is provided with a case door 2 which is rotationally connected with the case, the case door 2 is provided with a door lock component which is locked with the case 1, and the case door 2 is provided with a transparent observation window. The case 1 is provided with a wire inlet hole 101 communicated with the inside of the case 1, the bottom of the case 1 is provided with an air inlet hole 102 communicated with the inside of the case, the air inlet hole 102 is internally provided with a filter screen 4, and the case 1 is provided with a radiator 7. The two sides of the case 1 are symmetrically provided with the ear plates, and the two side ear plates are symmetrically provided with two mounting holes. The bottom of the case 1 is provided with a plurality of waterproof locking sleeves 3, and each waterproof locking sleeve 3 is respectively coated and arranged outside the corresponding side wire inlet hole 101.
The mounting plate 8 is arranged in the chassis 1 in a sliding manner, and the host 9 is detachably arranged on the mounting plate 8, wherein an internal control system of the host 9 is a mine-friendly operating system. One side of the mounting plate 8 far away from the radiator 7 is provided with ventilation holes, two mounting seats are symmetrically arranged on the mounting plate 8, and the host 9 is connected with the mounting seats through bolts. Two slide bars 10 are arranged in parallel below the mounting plate 8 in the case 1, two slide blocks 11 are symmetrically and slidingly arranged on the slide bars 10, two springs 12 are symmetrically sleeved on the slide bars 10, the springs 12 on two sides are respectively abutted with the corresponding side slide blocks 11 and the inner wall of the case 1, and the slide blocks 11 on two sides are respectively connected with the bottom of the mounting plate 8 through connecting rods 13. One end of the connecting rod 13 far away from the sliding block 11 is provided with a connecting seat 14 rotationally connected with the connecting rod, and the connecting seat 14 is connected with the bottom of the mounting plate 8. The two sides of the sliding blocks 11 are far away from each other, and the two sides are provided with ejector rods 15, and the ejector rods 15 are connected with pistons 16. The sleeve 17 is symmetrically arranged in the case 1, the pistons 16 on two sides are respectively inserted into the corresponding side sleeve 17 and are in sliding connection with the corresponding side sleeve, and the sleeve 17 is provided with a one-way exhaust pipe 18 and a one-way air inlet pipe 19 which are communicated with the inside of the sleeve. The inner diameter of the unidirectional exhaust pipe 18 is larger than that of the unidirectional intake pipe 19, and the conduction direction of the unidirectional exhaust pipe 18 and the unidirectional intake pipe 19 is opposite.
In this embodiment, when the host 9 is in a working state, it generates heat, the radiator 7 keeps running, the external air enters the chassis 1 along the air inlet 101, and the fly ash mixed in the external air is blocked by the filter screen 4, so that the air entering the chassis 1 does not contain fly ash particles. Meanwhile, the host 9 can vibrate, the movable plate 8 vibrates to drive the angles of the connecting rods 13 at the two sides of the bottom to change, so that the connecting rods 13 are utilized to push the sliding blocks 11 at the two sides to slide, the push rods 15 are driven when the sliding blocks 11 slide, the pistons 16 connected with the push rods 15 extend into the sleeves 17 and discharge air in the sleeves 17 along the unidirectional exhaust pipes 18, the sliding blocks 11 slide to squeeze the springs 12, then the springs 12 push the sliding blocks 11 outwards, the pistons 16 move back and reset, but in the moving back process of the pistons 16, the speed of the air entering the sleeves 17 is slow, so that the process is slow, the aim of absorbing elastic potential energy is achieved by utilizing the structure, and the device is simple in structure and high in stability.
Example two
As shown in fig. 2, in the coal mine power supply current protection device provided by the utility model, compared with the first embodiment, the scraper 5 is rotatably arranged in the air inlet 102, the lower surface of the scraper 5 is slidably connected with the upper surface of the filter screen 4, and the motor 6 for driving the scraper 5 to rotate is arranged in the case 1.
In this embodiment, because the device is in the operation state in the process, the external air can get into the machine case along the inlet port 101, and the fly ash is easy to mix in the external air, and the fly ash is blocked by the filter screen 5, and under this condition, the fly ash can adsorb outside the filter screen 4 by suction effect, causes the filter screen to block gradually, influences the air inlet effect, and the motor 6 drives the scraper blade 5 to rotate at this moment, and the suction of each hole on the filter screen is offset in a circulating way by utilizing the pivoted scraper blade 5, thereby facilitating the fly ash to drop.
The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.
Claims (7)
1. The coal mine power supply current protection device is characterized by comprising a case (1), a mounting plate (8), a connecting rod (13) and a sleeve (17);
The machine case (1) is provided with a wire inlet hole (101) communicated with the interior of the machine case, the bottom of the machine case (1) is provided with an air inlet hole (102) communicated with the interior of the machine case, the air inlet hole (102) is internally provided with a filter screen (4), and the machine case (1) is provided with a radiator (7);
The mounting plate (8) is arranged in the case (1) in a sliding way, and the host (9) is detachably arranged on the mounting plate (8); two sliding rods (10) are arranged in the case (1) below the mounting plate (8) in parallel, two sliding blocks (11) are symmetrically and slidingly arranged on the sliding rods (10), two springs (12) are symmetrically sleeved on the sliding rods (10), the springs (12) on two sides are respectively abutted with the corresponding side sliding blocks (11) and the inner wall of the case (1), and the sliding blocks (11) on two sides are respectively connected with the bottom of the mounting plate (8) through connecting rods (13); the two sides of the sliding blocks (11) are far away from each other, a push rod (15) is arranged on one side, and the push rod (15) is connected with a piston (16); the sleeves (17) are symmetrically arranged in the case (1), the pistons (16) on two sides are respectively inserted into the corresponding side sleeves (17) and are in sliding connection with the corresponding side sleeves, and the sleeves (17) are provided with a one-way exhaust pipe (18) and a one-way air inlet pipe (19) which are communicated with the inside of the sleeve.
2. The coal mine power supply current protection device according to claim 1, wherein ear plates are symmetrically arranged on two sides of the chassis (1), and two mounting holes are symmetrically arranged on the ear plates on two sides; the bottom of the case (1) is provided with a plurality of waterproof locking sleeves (3), and each waterproof locking sleeve (3) is respectively coated and arranged outside the corresponding side wire inlet hole (101).
3. The coal mine power supply current protection device according to claim 1, wherein a box door (2) rotationally connected with the machine box (1) is arranged on the machine box (1), a door lock assembly locked with the machine box (1) is arranged on the box door (2), and a transparent observation window is arranged on the box door (2).
4. The coal mine power supply current protection device of claim 1, further comprising a bolt; one side of the mounting plate (8) far away from the radiator (7) is provided with ventilation holes, two mounting seats are symmetrically arranged on the mounting plate (8), and the host machine (9) is connected with the mounting seats through bolts.
5. A coal mine power supply current protection device according to claim 1, characterized in that one end of the connecting rod (13) far away from the sliding block (11) is provided with a connecting seat (14) rotationally connected with the connecting rod, and the connecting seat (14) is connected with the bottom of the mounting plate (8).
6. A coal mine power supply current protection device according to claim 1, characterized in that the inner diameter of the unidirectional exhaust pipe (18) is larger than the inner diameter of the unidirectional intake pipe (19), and the conduction direction of the unidirectional exhaust pipe (18) and the unidirectional intake pipe (19) is opposite.
7. The coal mine power supply current protection device according to claim 1, wherein the air inlet hole (102) is rotationally provided with a scraper (5), the lower surface of the scraper (5) is slidably connected with the upper surface of the filter screen (4), and a motor (6) for driving the scraper (5) to rotate is arranged in the case (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323016862.7U CN221009803U (en) | 2023-11-06 | 2023-11-06 | Colliery power supply current protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323016862.7U CN221009803U (en) | 2023-11-06 | 2023-11-06 | Colliery power supply current protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221009803U true CN221009803U (en) | 2024-05-24 |
Family
ID=91125631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323016862.7U Active CN221009803U (en) | 2023-11-06 | 2023-11-06 | Colliery power supply current protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221009803U (en) |
-
2023
- 2023-11-06 CN CN202323016862.7U patent/CN221009803U/en active Active
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| GR01 | Patent grant |