CN212956342U - Slope ice removing machine - Google Patents
Slope ice removing machine Download PDFInfo
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- CN212956342U CN212956342U CN202020507364.XU CN202020507364U CN212956342U CN 212956342 U CN212956342 U CN 212956342U CN 202020507364 U CN202020507364 U CN 202020507364U CN 212956342 U CN212956342 U CN 212956342U
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- deicing
- roller
- support
- snow sweeping
- bracket
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Abstract
The utility model discloses a slope deicing machine, which comprises a loader and a deicing device, wherein the deicing device is connected with the loader and is positioned in front of the loader; the deicing device comprises a rack, a deicing mechanism and a snow sweeping mechanism, wherein the deicing mechanism and the snow sweeping mechanism are both arranged on the rack, and the deicing mechanism is positioned in front of the snow sweeping mechanism; the deicing mechanism comprises a deicing roller and a milling cutter assembly, and the milling cutter assembly is fixedly arranged on the outer surface of the deicing roller; the deicing roller comprises a deicing roller frame and a transmission shaft, wherein deicing roller supporting plates are fixedly arranged at two ends of the deicing roller frame, and the transmission shaft is transversely arranged in the deicing roller frame; the utility model discloses a slope ice removing machine can accomplish the ice and snow task that removes to the slope road surface, and the speed of advancing of slope ice removing machine is fast, operating efficiency is high and with low costs, can adapt to the ice and snow of occasions such as getting rid of slope highway, county country highway.
Description
Technical Field
The utility model relates to a deicing machine especially relates to a slope deicing machine.
Background
China northern belongs to high-latitude frigid zone areas, cities, villages, expressways and the like all relate to the problem of snow removal and conveying of roads and yards, and the task load is large and heavy. The foreign snow removing machine has high efficiency and high price, such as P-500-R, TM-350, A90, LM-220 and T220-B produced by Canada RPM company, SCHMID and other type special deicing vehicles produced by Germany galloping company, and the price is 300 to 500 million RMB. The 220/60 deicing machine of Swedish VOLVO company has the largest domestic application amount, and the machine types can only be used in special fields such as airports and the like and are not suitable for large-area application in China. In the south of north China, urban roads are rapidly melted by salt spreading and a snow dissolving agent, and then a large amount of machinery is still needed except for melting agent spreading and the like, so that the environment is greatly polluted. The melting agent in northeast region is limited by temperature and can not be applied, and only mechanical deicing is used. A plurality of research units and individuals develop and research on the road, more than 300 patent technologies are applied, a plurality of companies produce other machines such as ice removers (road scrapers and snow wolves), the ice can be cleared and conveyed to the roadside, and the ice removing mode seriously damages the road, especially the urban public transport road mark; in addition, the ice remover has long time in winter in northern areas, large road gradient, the sunlight snowing in daytime turns into water and ice at night, the road surface is smooth as the mirror, particularly, the distance between an expressway and a county-level asphalt road and a cement road is long, the ice remover can quickly freeze, and the ice remover is a prominent factor for the easy trouble of large-truck cars.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a slope deicing machine.
In order to solve the technical problem, the utility model discloses a technical scheme is: a slope deicing machine comprises a loader and a deicing device, wherein the deicing device is connected with the loader and is positioned in front of the loader;
the deicing device comprises a rack, a deicing mechanism and a snow sweeping mechanism, wherein the deicing mechanism and the snow sweeping mechanism are both arranged on the rack, and the deicing mechanism is positioned in front of the snow sweeping mechanism;
the deicing mechanism comprises a deicing roller and a milling cutter assembly, and the milling cutter assembly is fixedly arranged on the outer surface of the deicing roller; the deicing roller comprises a deicing roller frame and a transmission shaft, wherein deicing roller supporting plates are fixedly arranged at two ends of the deicing roller frame, and the transmission shaft is transversely arranged in the deicing roller frame;
deicing roller support frames are symmetrically arranged on the left side of the lower end of the rack and the right side of the lower end of the rack; motor support frames are symmetrically arranged on the left side and the right side of the rack, one end of each motor support frame is fixedly connected with a support ring, and the other end of each motor support frame is connected with a ball head rod end joint bearing; the support ring is connected with the deicing roller support frame;
a support arm bracket is fixedly arranged on the motor support frame, a sensor oil cylinder is connected to the support arm bracket, the upper end of the sensor oil cylinder is connected with a deicing roller suspension bracket, and the deicing roller suspension bracket is fixedly arranged at the upper end of the rack;
a speed reducer is arranged on the motor support frame, a spherical support is arranged on a shell of the speed reducer, and the spherical support is matched with the ball head rod end joint bearing; a hydraulic motor A is connected above the speed reducing device, and an output shaft of the speed reducing device is fixedly connected with one end of the transmission shaft;
the snow sweeping mechanism comprises snow sweeping rollers, a snow sweeping oil cylinder and a hydraulic motor B, and roller support arms are symmetrically arranged on the left side and the right side of each snow sweeping roller; the front part of the roller support arm is provided with a hydraulic motor B, and an output shaft of the hydraulic motor B is fixedly connected with a snow sweeping shaft inside the snow sweeping roller; the rear part of the roller wheel support arm is connected with a rear snow sweeping roller support which is fixedly arranged at the lower end of the rack; the upper part of the front part of the roller supporting arm is connected with a snow sweeping oil cylinder, the upper end of the snow sweeping oil cylinder is connected with a snow sweeping roller suspension bracket, and the snow sweeping roller suspension bracket is fixedly arranged on the upper part of the rack.
Furthermore, a cylinder bracket is fixedly arranged on the deicing roller supporting plate, and the end part of the transmission shaft is fixedly connected with the cylinder bracket; one end of the transmission shaft penetrates through the cylindrical bracket and is connected with an output shaft of the speed reducer through a connecting shaft sleeve; the inner side of the connecting shaft sleeve is provided with a bearing which is sleeved on the end part of the transmission shaft, and the connecting shaft sleeve is fixedly connected with an end face flange of the speed reducer;
a Hall sensor moving disc is fixedly arranged on the cylindrical support; a sensor support is fixedly arranged on the connecting shaft sleeve, and a Hall sensor pulse receiver is arranged on the sensor support.
Furthermore, the left side and the right side of the snow sweeping roller are symmetrically provided with supporting wheels, the middle part of each supporting wheel is inserted with a middle shaft, the middle shaft is connected with a rotating arm, the rotating arm is connected with a supporting wheel suspension bracket, and the supporting wheel suspension bracket is fixedly arranged at the lower end of the rack.
The milling cutter assembly comprises a milling cutter support, an ice milling cutter and a pressing plate, wherein the milling cutter support is fixedly arranged on the outer surface of the deicing roller frame; the ice milling cutter is arranged on the milling cutter bracket and is pressed tightly through the pressing plate.
Furthermore, a deicing roller transverse stabilizer is arranged behind the deicing roller, ball hinge heads are arranged at two ends of the deicing roller transverse stabilizer, and the ball hinge heads are connected to the inner sides of the deicing roller support arms.
Furthermore, a tension sensor is arranged on the sensor oil cylinder.
Furthermore, a three-point suspension bracket is arranged at the rear part of the frame, and the deicing device is connected with a loader pin through the three-point suspension bracket.
Furthermore, a balance arm is transversely arranged on the inner side of the frame.
Furthermore, support arms are arranged on two sides of the loader, and balance springs are arranged on the support arms.
The utility model discloses a slope ice removing machine can accomplish the ice and snow task that removes to the slope road surface, and the speed of advancing of slope ice removing machine is fast, operating efficiency is high and with low costs, can adapt to the ice and snow of occasions such as getting rid of slope highway, county country highway.
Drawings
Fig. 1 is a schematic structural view of the gradient ice removing machine of the present invention.
Fig. 2 is a schematic view of the internal structure of the deicing device in fig. 1.
Fig. 3 is a schematic view of the internal structure of the deicing device.
Fig. 4 is a schematic structural diagram of the rack.
Fig. 5 is a partially enlarged view of the motor support bracket of fig. 3.
Fig. 6 is a schematic structural view of the deicing roller.
Fig. 7 is a schematic view of the connection relationship between the reduction gear and the transmission shaft.
Fig. 8 is a partial enlarged view of the cylinder support of fig. 7.
Fig. 9 is a side view of fig. 7.
Fig. 10 is a sectional view taken along line a-a of fig. 9.
Fig. 11 is a schematic structural view of the sensor cylinder.
Fig. 12 is a side view of fig. 11.
Fig. 13 is a schematic structural view of the snow sweeping mechanism.
Fig. 14 is a side view of fig. 13.
Fig. 15 is a schematic structural view of the support wheel.
Fig. 16 is a side view of fig. 15.
Fig. 17 is a schematic structural view of the balance arm.
Fig. 18 is a schematic view of the construction of the milling cutter assembly.
Fig. 19 is a side view of fig. 18.
Fig. 20 is a right side view of fig. 18.
Fig. 21 is a schematic structural view of a lateral stabilizer of the deicing roller.
In the figure: 1. a loader; 2. a de-icing device;
3. a frame; 31 three-point suspension bracket; 32. a guard plate; 33. a deicing roller support frame; 34. a deicing roller suspension bracket; 35. a snowplow roller rear bracket; 36. a snowplow roller hanger; 37. a support wheel suspension; 38. a balance arm;
4. a deicing mechanism; 41. a de-icing roller; 411. a deicing roller frame; 412. a drive shaft; 413. a deicing roller support plate;
42. a milling cutter assembly; 421. a milling cutter holder; 422. an ice milling cutter; 423. pressing a plate;
43. a motor support frame; 431. a support ring; 432. a ball head rod end joint bearing;
44. a sensor cylinder; 45. a support arm bracket; 46. a reduction gear; 47. a hydraulic motor A; 48. a cylindrical support; 49. connecting the shaft sleeve; 410. a de-icing roller lateral stabilizer; 418. a ball hinge head;
414. a Hall sensor moving disc; 415. a sensor holder; 416. a Hall sensor pulse receiver; 417. a bearing;
5. a snow sweeping mechanism; 51. a snow sweeping roller; 52. a snow sweeping oil cylinder; 53. a hydraulic motor B; 54. a roller support arm; 55. a snow sweeping shaft; 56. a support wheel; 57. a middle shaft; 58. a rotating arm;
9. a bearing; 10. a support arm; 11. a balance spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the slope deicing machine comprises a loader 1 and a deicing device 2, and is special deicing equipment for icing treatment of asphalt pavements or cement pavements. The deicing device 2 is connected with the loader 1 and is positioned in front of the loader 1; two sides of the loader are provided with support arms 10, the support arms are provided with balance springs 11, and the balance springs 11 are used for reducing the contact pressure of the deicing device to the ground. The inner side of the frame 3 is laterally provided with a balancing arm 38.
The deicing device 2 comprises a rack 3, a deicing mechanism 4 and a snow sweeping mechanism 5, a three-point suspension bracket 31 is arranged at the rear part of the rack 3, and the deicing device 2 is in pin connection with the loader 1 through the three-point suspension bracket, so that the application field of the loader is widened, and the production cost of the deicing machine is reduced; the hydraulic motor of the deicing device is driven by the hydraulic oil of the loader, so that the transmission mechanism is simpler.
The deicing mechanism 4 and the snow sweeping mechanism 5 are both arranged on the rack 3, the deicing mechanism 4 is located in front of the snow sweeping mechanism 5, the deicing mechanism in front can rapidly scrape ice on a road, and the snow sweeping mechanism in rear can sweep floating ice in front to the roadside.
As shown in fig. 3, 18-20, the deicing mechanism 4 includes a deicing roller 41, a milling cutter assembly 42, the milling cutter assembly 42 is fixedly disposed on the outer surface of the deicing roller 41; the milling cutter assembly 42 comprises a milling cutter support 421, an ice milling cutter 422 and a pressing plate 423, wherein the milling cutter support 421 is fixedly arranged on the outer surface of the deicing roller frame 411; the ice milling cutter 422 is disposed on the milling cutter support 421 and pressed by the pressing plate 423, and the pressing plate 423 is used to fix the ice milling cutter 422 on the milling cutter support 421.
As shown in fig. 6 and 7-10, the deicing roller 41 includes a deicing roller frame 411 and a transmission shaft 412, both ends of the deicing roller frame 411 are fixedly provided with deicing roller support plates 413, and the transmission shaft 412 is transversely arranged inside the deicing roller frame 411;
deicing roller support frames 33 are symmetrically arranged on the left side of the lower end and the right side of the lower end of the rack 3; the left side and the right side of the frame 3 are symmetrically provided with a motor support frame 43, one end of the motor support frame 43 is fixedly connected with a support ring 431, and the other end is connected with a ball head rod end joint bearing 432; the support ring 431 is hinged with the deicing roller support frame 33;
a support arm bracket 45 is fixedly arranged on the motor support bracket 43, a sensor oil cylinder 44 is connected on the support arm bracket 45, the upper end of the sensor oil cylinder 44 is connected with the deicing roller suspension bracket 34, and the deicing roller suspension bracket 34 is fixedly arranged at the upper end of the rack 3; the sensor cylinder 44 is provided with a tension sensor.
A speed reducer 46 is arranged on the motor support frame 43, a spherical support is arranged on the shell of the speed reducer 46 and matched with the ball head rod end joint bearing 432, and the deicing roller can be longitudinally and transversely shaped at multiple angles anywhere in a ball hinge connection mode; a hydraulic motor a47 is connected above the reduction gear 46, and the output shaft of the reduction gear 46 is fixedly connected with one end of the transmission shaft 412.
The utility model discloses a slope ice removing machine can realize vertically transversely along with the ground profile modeling, and the both sides strong point of deicing roller adopts the form of ball hinge, and the both ends of deicing roller all are provided with hydraulic motor A, and hydraulic motor A is L type configuration with decelerator, can reduce the structure size. The hydraulic motor A is a plunger motor, and the speed reduction device is a cycloid speed reduction mechanism; the output shaft of the speed reducer is an output spline shaft, the end part of a transmission shaft of the deicing roller is provided with an internal spline, and the end part of the transmission shaft is connected with the spline shaft of the speed reducer; the bearing 9 sleeved on the end part of the transmission shaft is a double-row angle joint bearing, a connecting shaft sleeve is arranged outside the bearing 9, and the connecting shaft sleeve is connected with an end face flange plate bolt of the speed reducer. When the ground is locally inclined, namely the road is lifted or lowered, the position of the motor support frame is adjusted through the extension and retraction of the telescopic rod of the sensor oil cylinder 44, so that the distance between the deicing roller and the ground is adjusted, the deicing roller can be profiled along the ground, and the ice and snow removing task on the slope ground can be completed.
As shown in fig. 13 and 14, the snow sweeping mechanism 5 is disposed at an inclined angle behind the deicing rollers, and removes the ice and snow behind the deicing rollers. The snow sweeping mechanism 5 comprises a snow sweeping roller 51, a snow sweeping oil cylinder 52 and a hydraulic motor B53, wherein a plurality of groups of brushes are arranged on the snow sweeping roller 51, and roller support arms 54 are symmetrically arranged on the left side and the right side of the snow sweeping roller 51; the front part of the roller arm 54 is provided with a hydraulic motor B53, and the output shaft of the hydraulic motor B53 is fixedly connected with a snow sweeping shaft 55 inside the snow sweeping roller 51; the rear part of the roller support arm 54 is hinged with a snow sweeping roller rear bracket 35, and the snow sweeping roller rear bracket 35 is fixedly arranged at the lower end of the machine frame 3; the snow sweeping oil cylinder 52 is connected above the front part of the roller arm 54, the upper end of the snow sweeping oil cylinder 52 is connected with the snow sweeping roller suspension bracket 36, the snow sweeping roller suspension bracket 36 is fixedly arranged at the upper part of the frame 3, and the position of the snow sweeping roller is changed by changing the position of the roller arm through the arrangement of the snow sweeping oil cylinder 52, so that the snow sweeping roller can profile along with the ground.
A cylinder bracket 48 is fixedly arranged on the deicing roller supporting plate 413, and the end part of the transmission shaft 412 is fixedly connected with the cylinder bracket 48; one end of the transmission shaft 412 penetrates through the cylindrical bracket 48 and is connected with an output shaft of the speed reducer 46 through a connecting shaft sleeve 49; the inner side of the connecting shaft sleeve 49 is provided with a bearing 9, the bearing 9 is sleeved on the end part of the transmission shaft 412, and the connecting shaft sleeve 49 is fixedly connected with an end face flange of the speed reducer 46;
a Hall sensor movable disc 414 is fixedly arranged on the cylinder bracket 48; a sensor bracket 415 is fixedly arranged on the connecting shaft sleeve 49, and a Hall sensor pulse receiver 416 is arranged on the sensor bracket 415.
As shown in fig. 15 and 16, the snow sweeping roller 51 is further symmetrically provided with support wheels 56 at the left and right sides, a middle shaft 57 is inserted in the middle of the support wheels 56, the middle shaft 57 is connected with a rotating arm 58, the rotating arm 58 is connected with the support wheel suspension bracket 37, and the support wheel suspension bracket 37 is fixedly arranged at the lower end of the frame 3.
Supporting wheels arranged on two sides of the rack and balance springs arranged on two sides of the loader can balance the deicing device, reduce the pressure of the deicing device on the ground and enhance the floating capacity of the deicing device.
As shown in fig. 21, a deicing roller lateral stabilizer 410 is disposed behind the deicing roller 41, ball hinge heads 418 are disposed at both ends of the deicing roller lateral stabilizer 410, the ball hinge heads 418 are connected to the inner sides of the deicing roller arms, and the deicing roller lateral stabilizer 410 is angularly installed between the deicing roller arms.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides a slope deicing machine which characterized in that: the deicing device (2) is connected with the loader (1) and is positioned in front of the loader (1);
the deicing device (2) comprises a rack (3), a deicing mechanism (4) and a snow sweeping mechanism (5), wherein the deicing mechanism (4) and the snow sweeping mechanism (5) are both arranged on the rack (3), and the deicing mechanism (4) is positioned in front of the snow sweeping mechanism (5);
the deicing mechanism (4) comprises a deicing roller (41) and a milling cutter assembly (42), and the milling cutter assembly (42) is fixedly arranged on the outer surface of the deicing roller (41); the deicing roller (41) comprises a deicing roller frame (411) and a transmission shaft (412), deicing roller supporting plates (413) are fixedly arranged at two ends of the deicing roller frame (411), and the transmission shaft (412) is transversely arranged in the deicing roller frame (411);
deicing roller support frames (33) are symmetrically arranged on the left side of the lower end and the right side of the lower end of the rack (3); motor support frames (43) are symmetrically arranged on the left side and the right side of the rack (3), one end of each motor support frame (43) is fixedly connected with a support ring (431), and the other end of each motor support frame is connected with a ball head rod end joint bearing (432); the support ring (431) is connected with the deicing roller support frame (33);
a support arm bracket (45) is fixedly arranged on the motor support frame (43), a sensor oil cylinder (44) is connected to the support arm bracket (45), the upper end of the sensor oil cylinder (44) is connected with a deicing roller suspension bracket (34), and the deicing roller suspension bracket (34) is fixedly arranged at the upper end of the rack (3);
a speed reducer (46) is arranged on the motor support frame (43), a spherical support is arranged on a shell of the speed reducer (46), and the spherical support is matched with the ball head rod end joint bearing (432); a hydraulic motor A (47) is connected above the speed reducing device (46), and an output shaft of the speed reducing device (46) is fixedly connected with one end of the transmission shaft (412);
the snow sweeping mechanism (5) comprises a snow sweeping roller (51), a snow sweeping oil cylinder (52) and a hydraulic motor B (53), wherein roller support arms (54) are symmetrically arranged on the left side and the right side of the snow sweeping roller (51); the front part of the roller arm (54) is provided with a hydraulic motor B (53), and the output shaft of the hydraulic motor B (53) is fixedly connected with a snow sweeping shaft (55) inside the snow sweeping roller (51); the rear part of the roller wheel support arm (54) is connected with a snow sweeping roller rear bracket (35), and the snow sweeping roller rear bracket (35) is fixedly arranged at the lower end of the rack (3); the snow sweeping oil cylinder (52) is connected to the upper portion of the front portion of the roller supporting arm (54), the upper end of the snow sweeping oil cylinder (52) is connected with the snow sweeping roller suspension frame (36), and the snow sweeping roller suspension frame (36) is fixedly arranged on the upper portion of the rack (3).
2. The grade ice remover of claim 1, wherein: a cylinder bracket (48) is fixedly arranged on the deicing roller supporting plate (413), and the end part of the transmission shaft (412) is fixedly connected with the cylinder bracket (48); one end of the transmission shaft (412) penetrates through the cylindrical bracket (48) and then is connected with an output shaft of the speed reducer (46) through a connecting shaft sleeve (49); a bearing (9) is arranged on the inner side of the connecting shaft sleeve (49), the bearing (9) is sleeved on the end part of the transmission shaft (412), and the connecting shaft sleeve (49) is fixedly connected with an end face flange of the speed reducer (46);
a Hall sensor movable disc (414) is fixedly arranged on the cylinder bracket (48); a sensor support (415) is fixedly arranged on the connecting shaft sleeve (49), and a Hall sensor pulse receiver (416) is arranged on the sensor support (415).
3. The grade ice remover of claim 1, wherein: supporting wheels (56) are symmetrically arranged on the left side and the right side of the snow sweeping roller (51), a middle shaft (57) is inserted in the middle of each supporting wheel (56), the middle shaft (57) is connected with a rotating arm (58), the rotating arm (58) is connected with a supporting wheel suspension bracket (37), and the supporting wheel suspension bracket (37) is fixedly arranged at the lower end of the rack (3).
4. The grade ice remover of claim 1, wherein: the milling cutter assembly (42) comprises a milling cutter support (421), an ice milling cutter (422) and a pressing plate (423), wherein the milling cutter support (421) is fixedly arranged on the outer surface of the deicing roller frame (411); the ice milling cutter (422) is arranged on the milling cutter support (421) and is pressed tightly through the pressing plate (423).
5. The grade ice remover of claim 1, wherein: a deicing roller transverse stabilizer (410) is arranged behind the deicing roller (41), ball hinge heads (418) are arranged at two ends of the deicing roller transverse stabilizer (410), and the ball hinge heads (418) are connected to the inner sides of the deicing roller support arms.
6. The grade ice remover of claim 1, wherein: and a tension sensor is arranged on the sensor oil cylinder (44).
7. The grade ice remover of claim 1, wherein: the rear part of the rack (3) is provided with a three-point suspension bracket (31), and the deicing device (2) is in pin connection with the loader (1) through the three-point suspension bracket.
8. The grade ice remover of claim 1, wherein: and a balance arm (38) is transversely arranged on the inner side of the frame (3).
9. The grade ice remover of claim 1, wherein: support arms (10) are arranged on two sides of the loader, and balance springs (11) are arranged on the support arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020507364.XU CN212956342U (en) | 2020-04-09 | 2020-04-09 | Slope ice removing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020507364.XU CN212956342U (en) | 2020-04-09 | 2020-04-09 | Slope ice removing machine |
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| Publication Number | Publication Date |
|---|---|
| CN212956342U true CN212956342U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020507364.XU Active CN212956342U (en) | 2020-04-09 | 2020-04-09 | Slope ice removing machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335243A (en) * | 2020-04-09 | 2020-06-26 | 山东省青岛第四十五中学（青岛工贸职业学校） | Slope ice removing machine |
| CN113976504A (en) * | 2021-09-22 | 2022-01-28 | 中国神华煤制油化工有限公司 | Solar panel cleaning device |
-
2020
- 2020-04-09 CN CN202020507364.XU patent/CN212956342U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111335243A (en) * | 2020-04-09 | 2020-06-26 | 山东省青岛第四十五中学（青岛工贸职业学校） | Slope ice removing machine |
| CN113976504A (en) * | 2021-09-22 | 2022-01-28 | 中国神华煤制油化工有限公司 | Solar panel cleaning device |
| CN113976504B (en) * | 2021-09-22 | 2023-04-14 | 中国神华煤制油化工有限公司 | Solar panel cleaning device |
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