Power mechanism of photovoltaic cleaning robot

Abstract

The utility model relates to the technical field of photovoltaic cleaning robots, in particular to a power mechanism of a photovoltaic cleaning robot. Two driven chain wheels are rotationally connected to the fixed plate; traveling wheels are fixed on the driven chain wheels; the fixing plate is connected with a tensioning chain wheel; the transmission chain is meshed with the driving chain wheel, the tensioning chain wheel and the two driven chain wheels; and the transmission chain is tensioned between the driving chain wheel and the two driven chain wheels by the tensioning chain wheel. When the power mechanism is used, the power mechanism of the cleaning robot uses a chain matched with a chain wheel as a transmission part, the cost of the transmission mechanism is reduced, and maintenance is easy; and the cleaning device is suitable for a severe cleaning environment.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic cleaning robots, in particular to a power mechanism of a photovoltaic cleaning robot. Background Art

[0002] Photovoltaic panels, also known as solar panels, rely on sunlight to generate electricity. As they work, dust accumulates on them. If not cleaned, it will affect the absorption of light. Therefore, the surface of the panels needs to be cleaned regularly.

[0003] Currently, photovoltaic panel cleaning generally requires a photovoltaic cleaning robot. The robot's power mechanism drives the running wheels and brush rollers to rotate. The running wheels crawl on the surface of the photovoltaic panels, and the brush rollers roll and brush the surface of the photovoltaic panels. Since the running wheels run on flat ground, at least two running wheels are required on one side. The running wheels on one side need to be transmitted through a transmission mechanism. In the existing transmission structure, the running wheels are connected to gears, and the gears that mesh with each other through multiple gears are respectively meshed with the gears on the motor. Although this gear meshing method has an accurate transmission ratio, the gear structure is expensive and difficult to maintain. In addition, the gear structure has high requirements for the use environment.

[0004] Therefore, it is necessary to further innovate the power mechanism of the existing photovoltaic cleaning robot. Utility Model Content

[0005] The purpose of the utility model is to provide a power mechanism of a photovoltaic cleaning robot in view of the defects and shortcomings of the existing technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] The power mechanism of a photovoltaic cleaning robot described in the utility model includes a transmission chain, a shell, a fixed plate fixed on the shell and a motor fixed on the shell at one end; a driving sprocket is fixed to the other end of the motor; two driven sprockets are rotatably connected to the fixed plate; a walking wheel is fixed on the driven sprocket; a tensioning sprocket is connected to the fixed plate; the transmission chain is engaged with the driving sprocket, the tensioning sprocket and the two driven sprockets; the tensioning sprocket tensions the transmission chain between the driving sprocket and the two driven sprockets.

[0008] Furthermore, a sliding groove is provided on the fixed plate; a rotating shaft body is connected to the tensioning sprocket; the rotating shaft body includes a sliding block slidably connected to the sliding groove, a bearing seat fixed on the sliding block and a rotating shaft body rotatably connected to the bearing seat; the rotating shaft body is fixed on the tensioning sprocket; the rotating shaft body is provided with concave rings on both sides of the sliding block; a retaining spring is clamped in the concave ring; two retaining springs are respectively attached to both sides of the fixed plate; a tightening assembly for pressing the bearing seat is provided on the fixed plate; after the tightening assembly presses the bearing seat, the tensioning sprocket tightens the transmission chain.

[0009] Furthermore, the tightening assembly includes a spring and an eccentric wheel rotatably connected to a fixed plate; the surface of the eccentric wheel is pressed against the bearing seat; a handle rod is hinged on the eccentric wheel; a spring positioning plate is provided on the eccentric wheel; the two ends of the spring are respectively fixed on the spring positioning plate and the handle rod; a limiting axis is fixed on the fixed plate.

[0010] Furthermore, a first bevel gear is fixed on the traveling wheel; a second bevel gear meshing with the first bevel gear is rotatably connected to the outer shell; a lateral support wheel is fixed on the second bevel gear; the axis of the lateral support wheel and the axis of the traveling wheel are arranged perpendicular to each other.

[0011] After adopting the above structure, the beneficial effects of the utility model are as follows: the power of the motor is connected to the two driven sprockets through the driving sprocket and the transmission chain, and the driving sprocket is driven to rotate after the motor rotates, and the transmission chain drives the walking wheels on the driven sprockets to rotate synchronously; the power mechanism of the cleaning robot uses the chain and sprocket as transmission parts, which reduces the cost of the transmission mechanism and is easy to maintain; and it can be used in harsh cleaning environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a first-perspective stereogram of the present invention;

[0013] Figure 2 This is a second perspective stereogram of the present invention;

[0014] Figure 3 This is a structural diagram of the jacking assembly connected to the fixed plate;

[0015] Figure 4 It is a structural diagram of the jacking assembly;

[0016] Figure 5 It is a structural diagram of the main body of the shaft;

[0017] Description of reference numerals:

[0018] 1. Jacking assembly; 101. Handle bar; 102. Spring; 103. Eccentric wheel;

[0019] 10301, spring positioning plate; 2, motor; 3, driving sprocket; 4, fixed plate; 401, sliding groove;

[0020] 402, limit shaft; 5, transmission chain; 6, housing; 7, first bevel gear; 8, driven sprocket;

[0021] 9. Second bevel gear; 10. Lateral support wheel; 11. Tensioning sprocket; 12. Travel wheel;

[0022] 13. Rotating shaft body; 1301. Sliding block; 1302. Bearing seat; 1303. Rotating shaft body;

[0023] 1304, concave ring; 14, retaining ring. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings.

[0025] like Figures 1 to 5 As shown, the power mechanism of a photovoltaic cleaning robot described in the present invention includes a transmission chain 5, a housing 6, a fixing plate 4 fixed to the housing 6, and a motor 2 fixed at one end to the housing 6; a driving sprocket 3 is fixed to the other end of the motor 2; two driven sprockets 8 are rotatably connected to the fixing plate 4; a walking wheel 12 is fixed to the driven sprocket 8; a tensioning sprocket 11 is connected to the fixing plate 4; the transmission chain 5 is engaged with the driving sprocket 3, the tensioning sprocket 11 and the two driven sprockets 8; the tensioning sprocket 11 tensions the transmission chain 5 between the driving sprocket 3 and the two driven sprockets 8;

[0026] The power of the motor 2 is connected to the two driven sprockets 8 through the driving sprocket 3 and the transmission chain 5. The driving sprocket 3 is driven to rotate by the rotation of the motor 2, and the transmission chain 5 drives the walking wheels 12 on the driven sprockets 8 to rotate synchronously; the power mechanism of the cleaning robot uses a chain and a sprocket as a transmission part, which reduces the cost of the transmission mechanism and is easy to maintain; and it can be applied to cleaning environments with harsh environments.

[0027] As a preferred embodiment of the present invention, a sliding groove 401 is provided on the fixed plate 4; a rotating shaft body 13 is connected to the tensioning sprocket 11; the rotating shaft body 13 includes a sliding block 1301 slidably connected to the sliding groove 401, a bearing seat 1302 fixed on the sliding block 1301 and a rotating shaft body 1303 rotatably connected to the bearing seat 1302; the rotating shaft body 1303 is fixed to the tensioning sprocket 11; the rotating shaft body 13 is provided with concave rings 1304 on both sides of the sliding block 1301; a retaining spring 14 is clamped in each of the concave rings 1304; two retaining springs 14 are respectively attached to both sides of the fixed plate 4; a tightening assembly 1 for pressing the bearing seat 1302 is provided on the fixed plate 4; after the tightening assembly 1 presses the bearing seat 1302, the tensioning sprocket 11 tightens the transmission chain 5;

[0028] The width of the sliding groove 401 is equal to the width of the sliding block 1301, and the two retaining springs 14 limit the axial position of the rotating shaft body 13, so that the sliding block 1301 can slide in the sliding groove 401 along the length direction of the sliding groove 401; after the tightening component 1 is tightened on the bearing seat 1302, the tensioning sprocket 11 tensions the transmission chain 5; the pressure direction of the tightening component 1 on the bearing seat 1302 is opposite to the pressure direction of the transmission chain 5 on the tensioning sprocket 11; when the tightening component 1 releases the pressure on the bearing seat 1302, the transmission chain 5 is in a relaxed state and the transmission chain 5 can be removed.

[0029] As a preferred embodiment of the present invention, the tightening assembly 1 includes a spring 102 and an eccentric wheel 103 rotatably connected to a fixed plate 4; the surface of the eccentric wheel 103 is pressed against a bearing seat 1302; a handle bar 101 is hingedly connected to the eccentric wheel 103; a spring positioning plate 10301 is provided on the eccentric wheel 103; the two ends of the spring 102 are respectively fixed to the spring positioning plate 10301 and the handle bar 101; a limiting shaft 402 is fixed to the fixed plate 4;

[0030] By applying a pulling force to the handle bar 101, the eccentric wheel 103 rotates, and the surface of the eccentric wheel 103 pushes the bearing seat 1302, so that the sliding block 1301 slides in the sliding groove 401 along the length direction of the sliding groove 401, thereby the tensioning sprocket 11 tensions the transmission chain 5; and when the handle bar 101 passes through the limiting shaft 402, the handle bar 101 flips outward around the eccentric wheel 103 until it is misaligned with the limiting shaft 402; after the handle bar 101 passes around the limiting shaft 402, the handle bar 101 flips inward around the limiting shaft 402 The handle bar 101 is flipped over so that the bar is pressed against the bar of the limiting shaft 402. The pressure of the tensioning sprocket 11 on the rotating shaft body 13 causes the surface of the eccentric wheel 103 to exert pressure on the bearing seat 1302, causing the handle bar 101 to tend to flip upward. At this time, the upper limit shaft 402 is limited, so that the handle bar 101 is pressed against the bar of the limiting shaft 402 for positioning; the spring 102 generates an inward pulling force on the handle bar 101 to prevent the handle bar 101 from loosening from the upper limit shaft 402; the locking of the tensioning sprocket 11 is simpler.

[0031] As a preferred embodiment of the present invention, a first bevel gear 7 is fixed to the travel wheel 12; a second bevel gear 9 is rotatably connected to the housing 6 and meshes with the first bevel gear 7; a lateral support wheel 10 is fixed to the second bevel gear 9; the axis of the lateral support wheel 10 and the axis of the travel wheel 12 are arranged perpendicular to each other;

[0032] Since there are two power mechanisms, which are placed on both sides of the robot, the lateral support wheels 10 on both sides are clamped on both sides of the photovoltaic panel to achieve the positioning of the robot on the photovoltaic panel; the lateral support wheels 10 and the walking wheels 12 are driven by the first bevel gear 7 and the second bevel gear 9 to achieve synchronous movement.

[0033] The above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the present invention patent application are included in the scope of the present invention patent application.

Claims

1. A power mechanism of a photovoltaic cleaning robot, characterized by: The invention comprises a transmission chain (5), a housing (6), a fixing plate (4) fixed on the housing (6), and a motor (2) with one end fixed on the housing (6); a driving sprocket (3) is fixed to the other end of the motor (2); two driven sprockets (8) are rotatably connected to the fixing plate (4); a travel wheel (12) is fixed to the driven sprocket (8); a tensioning sprocket (11) is connected to the fixing plate (4); the transmission chain (5) is meshed with the driving sprocket (3), the tensioning sprocket (11), and the two driven sprockets (8); and the tensioning sprocket (11) tensions the transmission chain (5) between the driving sprocket (3) and the two driven sprockets (8).

2. The power mechanism of the photovoltaic cleaning robot according to claim 1, characterized in that: The fixing plate (4) is provided with a sliding groove (401); the tensioning sprocket (11) is connected to a rotating shaft body (13); the rotating shaft body (13) comprises a sliding block (1301) slidably connected to the sliding groove (401), a bearing seat (1302) fixed to the sliding block (1301), and a rotating shaft body (1303) rotatably connected to the bearing seat (1302); the rotating shaft body (1303) is fixed to the tensioning sprocket (11) On the rotating shaft body (13); concave rings (1304) are provided on both sides of the sliding block (1301); retaining springs (14) are clamped in the concave rings (1304); the two retaining springs (14) are respectively attached to both sides of the fixed plate (4); a tightening assembly (1) for tightening the bearing seat (1302) is provided on the fixed plate (4); after the tightening assembly (1) tightens the bearing seat (1302), the tensioning sprocket (11) tightens the transmission chain (5).

3. The power mechanism of the photovoltaic cleaning robot according to claim 2, characterized in that: The tightening assembly (1) comprises a spring (102) and an eccentric wheel (103) rotatably connected to a fixed plate (4); the surface of the eccentric wheel (103) is pressed against a bearing seat (1302); a handle bar (101) is hingedly connected to the eccentric wheel (103); a spring positioning plate (10301) is provided on the eccentric wheel (103); two ends of the spring (102) are respectively fixed to the spring positioning plate (10301) and the handle bar (101); and a limiting shaft (402) is fixed to the fixed plate (4).

4. The power mechanism of the photovoltaic cleaning robot according to claim 1, characterized in that: A first bevel gear (7) is fixed to the traveling wheel (12); a second bevel gear (9) meshing with the first bevel gear (7) is rotatably connected to the housing (6); a lateral support wheel (10) is fixed to the second bevel gear (9); and the axis of the lateral support wheel (10) and the axis of the traveling wheel (12) are arranged perpendicular to each other.

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