CN215853379U - Scraper anti-loosening device of coal mine scraper conveyor - Google Patents
Scraper anti-loosening device of coal mine scraper conveyor Download PDFInfo
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- CN215853379U CN215853379U CN202122469373.1U CN202122469373U CN215853379U CN 215853379 U CN215853379 U CN 215853379U CN 202122469373 U CN202122469373 U CN 202122469373U CN 215853379 U CN215853379 U CN 215853379U
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- scraper
- shaft sleeve
- sliding
- gear
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- 239000003245 coal Substances 0.000 title claims abstract description 23
- 210000003781 tooth socket Anatomy 0.000 claims description 12
- 230000002146 bilateral effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of coal mine operation equipment, in particular to a scraper anti-loosening device of a coal mine scraper conveyor, which comprises a fixed plate, a shaft sleeve A, a rack, a spring A, a rotating shaft and a scraper; the fixed plate is symmetrically provided with two sliding chutes A, and the fixed plate is internally symmetrically provided with two sliding chutes B; the shaft sleeve A is rotatably arranged in the fixed plate, and a gear is arranged on the shaft sleeve A; the racks are symmetrically arranged on two sides of the gear, and one ends of the racks close to each other are meshed with the gear; a clamping block is arranged at one end of the rack far away from the gear, and the spring A is arranged in the fixed plate; the rotating shaft is arranged in the fixed plate, penetrates through the gear and is inserted into the shaft sleeve A, and a ratchet wheel is arranged on the rotating shaft; a shaft sleeve B is arranged on the rotating shaft in a sliding manner; the scraper blade sets up between the fixed plate of both sides, and the bilateral symmetry of scraper blade sets up the mounting panel, sets up the slider on the mounting panel, and slider and spout A sliding fit set up the draw-in groove on the slider, and the fixture block slides and inserts in the draw-in groove. The utility model has high structural stability, firm connection and convenient disassembly and assembly.
Description
Technical Field
The utility model relates to the technical field of coal mine operation equipment, in particular to a scraper anti-loosening device of a coal mine scraper conveyor.
Background
The working principle of the scraper conveyor is that an open chute is used as a bearing part of coal, gangue or materials, and a scraper is fixed on a chain (forming a scraper chain) to be used as a traction component. After the transmission part of the machine head is started, the chain wheel on the shaft of the machine head is driven to rotate, so that the scraper chain circularly runs to drive the material to move along the chute until the material is unloaded at the machine head part. The scraper chain bypasses the chain wheel to perform stepless closed circulation operation to finish the conveying of the materials.
At the colliery operation in-process, often need use scraper conveyor, current scraper conveyor is at the in-process of scraper conveyor operation, and the scraper blade is fixed through the bolt with the junction of driving chain, and when scraper conveyor high frequency operation, the bolt can loosen gradually under the equipment vibration, leads to becoming flexible between scraper blade and the installation mechanism or even breaking away from, in case the scraper blade breaks away from, then leads to the colliery transportation operating efficiency to receive the influence, heavily makes the disconnection of equipment driving chain, causes equipment damage.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the background art, the utility model provides the scraper anti-loosening device of the coal mine scraper conveyor, which is convenient to install and disassemble, can effectively prevent the scraper from being connected with the conveyor loosely and improves the safety of equipment operation.
The technical scheme of the utility model is as follows: a scraper anti-loosening device of a coal mine scraper conveyor comprises a fixing plate, a shaft sleeve A, a rack, a spring A, a rotating shaft and a scraper;
two sliding chutes A are symmetrically arranged on the fixed plate, two sliding chutes B are symmetrically arranged in the fixed plate, the sliding chutes B are respectively communicated with the corresponding sliding chutes A, and cylindrical grooves are arranged in the fixed plate;
the shaft sleeve A is rotatably arranged in the fixed plate, and a gear is arranged on the shaft sleeve A; the racks are symmetrically arranged on two sides of the gear, and one ends of the racks close to each other are meshed with the gear; one end of the rack, which is far away from the gear, is provided with a fixture block, and the fixture blocks are respectively positioned in the corresponding side sliding chutes B and are in sliding fit with the corresponding side sliding chutes B; the spring A is arranged in the fixed plate, one end of the spring A is connected with the clamping block, and the other end of the spring A is connected with the inner wall of the fixed plate;
the rotating shaft is arranged in the fixed plate, penetrates through the gear and is inserted into the shaft sleeve A, and is rotationally connected with the gear and the shaft sleeve A; the rotating shaft is provided with a ratchet wheel, an elastic clamping plate is arranged in the gear, and the elastic clamping plate is meshed with ratchet wheel teeth of the ratchet wheel; a shaft sleeve B is arranged on the rotating shaft in a sliding manner and penetrates through the cylindrical groove in a sliding manner;
the scraper blade sets up between the fixed plate of both sides, and the bilateral symmetry of scraper blade sets up the mounting panel, sets up the slider on the mounting panel, and slider and spout A sliding fit set up the draw-in groove on the slider, and the fixture block slides and inserts in the draw-in groove.
Preferably, the fixed plate is internally provided with a tooth socket, the tooth socket is positioned below the cylindrical groove, and the tooth socket is communicated with the cylindrical groove.
Preferably, an outer toothed ring is arranged outside the shaft sleeve B and is in sliding fit with the tooth grooves.
Preferably, a limiting block is arranged on the rotating shaft and is arranged in an annular mode, a spring B is arranged on the limiting block, and the top end of the spring B is connected with the bottom of the shaft sleeve B.
Preferably, the shaft sleeve B is provided with a knob, and anti-skid teeth are arranged outside the knob.
Preferably, the upper surface of one end of the clamping block inserted into the sliding groove A is inclined, and the higher end of the inclined surface is close to the gear.
Preferably, the fixing plate is provided with a mounting assembly, and the mounting assembly is detachably connected with a chain of the conveyor.
Compared with the prior art, the technical scheme of the utility model has the following beneficial technical effects:
by arranging the sliding chute A, the sliding blocks on the mounting plates at the two sides of the scraper are inserted into the sliding chute A from top to bottom in a sliding manner, so that the scraper is effectively prevented from moving along the horizontal direction; the clamping block is arranged, and the sliding block is fixed from the side surface by the clamping block, so that the scraper is prevented from sliding up and down along the vertical direction; by arranging a matching structure of the gear and the rack, an operator can complete retraction operation of the clamping blocks on the two sides by rotating a knob; by arranging the sliding shaft sleeve B, arranging the outer toothed ring on the outer surface of the shaft sleeve B, and utilizing the sliding fit relation between the outer toothed ring and the tooth socket, the rotating shaft cannot rotate freely under the normal working state, and when the shaft sleeve B is pressed down, the outer toothed ring is separated from the tooth socket, and the rotating shaft can rotate freely; meanwhile, the utility model abandons the fixed connection structure of the bolt and the screw, and saves time and labor in the process of installation and disassembly.
Drawings
Fig. 1 is a schematic structural diagram of a scraper anti-loosening device of a coal mine scraper conveyor provided by the utility model.
Fig. 2 is a schematic structural diagram (cross section) of a fixing plate in the scraper anti-loosening device of the scraper conveyor for the coal mine, which is provided by the utility model.
Fig. 3 is an internal structure diagram of a fixing plate in the scraper looseness prevention device of the coal mine scraper conveyor.
Fig. 4 is a structural diagram of a scraper in the coal mine scraper conveyor scraper anti-loosening device provided by the utility model.
Reference numerals: 1. a fixing plate; 2. a chute A; 3. a chute B; 4. a cylindrical groove; 5. a tooth socket; 6. a shaft sleeve A; 7. a gear; 8. a rack; 9. a clamping block; 10. a spring A; 11. a rotating shaft; 12. a ratchet wheel; 13. an elastic clamping plate; 14. a shaft sleeve B; 15. a knob; 16. an outer ring gear; 17. a spring B; 18. a squeegee; 19. mounting a plate; 20. a slider; 21. a clamping groove.
Detailed Description
Example one
As shown in fig. 1-4, the scraper anti-loosening device of the coal mine scraper conveyor provided by the utility model comprises a fixing plate 1, a shaft sleeve a6, a rack 8, a spring a10, a rotating shaft 11 and a scraper 18;
two sliding chutes A2 are symmetrically arranged on the fixed plate 1, two sliding chutes B3 are symmetrically arranged in the fixed plate 1, the sliding chutes B3 are respectively communicated with the corresponding sliding chutes A2, and cylindrical grooves 4 are arranged in the fixed plate 1;
the shaft sleeve A6 is rotatably arranged in the fixed plate 1, and the gear 7 is arranged on the shaft sleeve A6; the racks 8 are symmetrically arranged on two sides of the gear 7, and one ends of the racks 8 close to each other are meshed with the gear 7; one end of the rack 8, which is far away from the gear 7, is provided with a fixture block 9, and the fixture blocks 9 are respectively positioned in the corresponding side sliding grooves B3 and are in sliding fit with the corresponding side sliding grooves B3; the spring A10 is arranged in the fixed plate 1, one end of the spring A10 is connected with the fixture block 9, and the other end is connected with the inner wall of the fixed plate 1;
the rotating shaft 11 is arranged in the fixed plate 1, the rotating shaft 11 penetrates through the gear 7 and is inserted into the shaft sleeve A6, and the rotating shaft 11 is rotatably connected with the gear 7 and the shaft sleeve A6; a ratchet wheel 12 is arranged on the rotating shaft 11, an elastic clamping plate 13 is arranged in the gear 7, and the elastic clamping plate 13 is meshed with ratchet wheel teeth of the ratchet wheel 12; a shaft sleeve B14 is arranged on the rotating shaft 11 in a sliding way, and a shaft sleeve B14 penetrates through the cylindrical groove 4 in a sliding way;
the scraping plate 18 is arranged between the fixing plates 1 on the two sides, the mounting plates 19 are symmetrically arranged on the two sides of the scraping plate 18, the sliding block 20 is arranged on the mounting plate 19, the sliding block 20 is in sliding fit with the sliding groove A2, the clamping groove 21 is arranged on the sliding block 20, and the clamping block 9 is inserted into the clamping groove 21 in a sliding manner;
a tooth socket 5 is arranged in the fixing plate 1, the tooth socket 5 is positioned below the cylindrical groove 4, and the tooth socket 5 is communicated with the cylindrical groove 4; an outer toothed ring 16 is arranged outside the shaft sleeve B14, and the outer toothed ring 16 is in sliding fit with the toothed slot 5; the knob 15 is arranged on the shaft sleeve B14, and anti-slip teeth are arranged on the outer part of the knob 15.
In the utility model, fixing plates 1 are respectively arranged on conveying chains on two sides, a scraper 18 is vertically and downwards arranged between the fixing plates 1 on the two sides, sliding blocks 20 on mounting plates 19 on the two sides of the scraper 18 respectively slide downwards along sliding grooves A2 on the fixing plates 1 on the two sides, clamping blocks 9 on the two sides retract under the extrusion of the sliding blocks 20 in the process of sliding the sliding blocks 20 downwards, and meanwhile, a spring A10 is compressed; when the sliding block 20 slides to the right position, the shaft sleeve B14 is pressed downwards, the outer toothed ring 16 on the shaft sleeve B14 is separated from the toothed groove 5, the rotating shaft 11 is in a free rotation state at the moment, the spring A10 is expanded and pushes the clamping blocks 9 on the two sides to move in opposite directions, the clamping blocks 9 are respectively clamped in the clamping grooves 21 on the corresponding sides, and therefore the scraper 18 is firmly fixed between the fixing plates 1 on the two sides; the shaft sleeve B14 is pulled upwards to ensure that the outer toothed ring 16 is inserted into the toothed groove 5 again in a sliding manner, and the rotating shaft 11 is restored to the state of being incapable of rotating freely at the moment;
during disassembly, the shaft sleeve B14 is pressed downwards, the rotating shaft 11 can rotate freely at the moment, the shaft sleeve B14 rotates reversely, the shaft sleeve B14 drives the rotating shaft 11 to rotate clockwise (refer to the attached drawing 3), the ratchet wheel 12 drives the gear 7 to rotate clockwise at the moment, the racks 8 on the two sides retract synchronously, and an operator can pull out the mounting plate 19 at the moment, so that disassembly is completed.
Example two
As shown in fig. 3, compared with the first embodiment, the scraper locking device of the coal mine scraper conveyor provided by the utility model has the advantages that the rotating shaft 11 is provided with the limiting block, the limiting block is annularly arranged, the limiting block is provided with the spring B17, and the top end of the spring B17 is connected with the bottom of the shaft sleeve B14.
In this embodiment, the spring B17 is provided so that when the operator no longer presses the bushing B14, the bushing B14 automatically rises under the tension of the spring B17 and returns to its original state.
EXAMPLE III
As shown in fig. 3, compared with the first embodiment, in the scraper locking device of the scraper conveyor for coal mines, according to the first embodiment of the utility model, the upper surface of one end of the fixture block 9 inserted into the chute a2 is inclined, and the higher end of the inclined surface is close to the gear 7.
In this embodiment, when the slider 20 is pressed down, the inclined latch 9 does not generate a resistance effect on the slider 20, and the slider 20 can easily squeeze the latch 9 into the sliding groove B3.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. A scraper anti-loosening device of a coal mine scraper conveyor is characterized by comprising a fixing plate (1), a shaft sleeve A (6), a rack (8), a spring A (10), a rotating shaft (11) and a scraper (18);
two sliding chutes A (2) are symmetrically arranged on the fixed plate (1), two sliding chutes B (3) are symmetrically arranged in the fixed plate (1), the sliding chutes B (3) are respectively communicated with the corresponding sliding chutes A (2), and cylindrical grooves (4) are arranged in the fixed plate (1);
the shaft sleeve A (6) is rotatably arranged in the fixed plate (1), and a gear (7) is arranged on the shaft sleeve A (6); the racks (8) are symmetrically arranged on two sides of the gear (7), and one ends of the racks (8) close to each other are meshed with the gear (7); one end of the rack (8) far away from the gear (7) is provided with a clamping block (9), and the clamping blocks (9) are respectively positioned in the corresponding side sliding grooves B (3) and are in sliding fit with the sliding grooves B; the spring A (10) is arranged in the fixed plate (1), one end of the spring A (10) is connected with the clamping block (9), and the other end of the spring A (10) is connected with the inner wall of the fixed plate (1);
the rotating shaft (11) is arranged in the fixed plate (1), the rotating shaft (11) penetrates through the gear (7) and is inserted into the shaft sleeve A (6), and the rotating shaft (11) is rotationally connected with the gear (7) and the shaft sleeve A (6); a ratchet wheel (12) is arranged on the rotating shaft (11), an elastic clamping plate (13) is arranged in the gear (7), and the elastic clamping plate (13) is meshed with ratchet wheel teeth of the ratchet wheel (12); a shaft sleeve B (14) is arranged on the rotating shaft (11) in a sliding manner, and the shaft sleeve B (14) penetrates through the cylindrical groove (4) in a sliding manner;
the scraper (18) is arranged between the fixing plates (1) on the two sides, the mounting plates (19) are symmetrically arranged on the two sides of the scraper (18), the sliding blocks (20) are arranged on the mounting plates (19), the sliding blocks (20) are in sliding fit with the sliding grooves A (2), the clamping grooves (21) are formed in the sliding blocks (20), and the clamping blocks (9) are inserted into the clamping grooves (21) in a sliding mode.
2. The coal mine scraper conveyor scraper anti-loosening device as claimed in claim 1, characterized in that a tooth socket (5) is arranged inside the fixing plate (1), the tooth socket (5) is positioned below the cylindrical groove (4), and the tooth socket (5) is communicated with the cylindrical groove (4).
3. The coal mine scraper conveyor scraper anti-loosening device as claimed in claim 1, characterized in that an outer toothed ring (16) is arranged outside the shaft sleeve B (14), and the outer toothed ring (16) is in sliding fit with the tooth grooves (5).
4. The coal mine scraper conveyor scraper anti-loosening device as claimed in claim 1, wherein the rotating shaft (11) is provided with a limiting block, the limiting block is arranged in an annular shape, the limiting block is provided with a spring B (17), and the top end of the spring B (17) is connected with the bottom of the shaft sleeve B (14).
5. The coal mine scraper conveyor scraper anti-loosening device as claimed in claim 1, wherein the shaft sleeve B (14) is provided with a knob (15), and anti-slip teeth are arranged on the outer portion of the knob (15).
6. The coal mine scraper conveyor scraper anti-loosening device as claimed in claim 1, wherein the upper surface of one end of the fixture block (9) inserted into the chute A (2) is inclined, and the end with the higher inclined surface is close to the gear (7).
7. The coal mine scraper conveyor scraper anti-loosening device as claimed in claim 1, characterized in that the fixing plate (1) is provided with a mounting component, and the mounting component is detachably connected with a chain of the conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122469373.1U CN215853379U (en) | 2021-10-14 | 2021-10-14 | Scraper anti-loosening device of coal mine scraper conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122469373.1U CN215853379U (en) | 2021-10-14 | 2021-10-14 | Scraper anti-loosening device of coal mine scraper conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215853379U true CN215853379U (en) | 2022-02-18 |
Family
ID=80259852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122469373.1U Expired - Fee Related CN215853379U (en) | 2021-10-14 | 2021-10-14 | Scraper anti-loosening device of coal mine scraper conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215853379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117429817A (en) * | 2023-11-24 | 2024-01-23 | 内蒙古智能煤炭有限责任公司 | A flexible intelligent start-up scraper conveyor for coal mines |
-
2021
- 2021-10-14 CN CN202122469373.1U patent/CN215853379U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117429817A (en) * | 2023-11-24 | 2024-01-23 | 内蒙古智能煤炭有限责任公司 | A flexible intelligent start-up scraper conveyor for coal mines |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |