Tension degree adjusting device for photovoltaic cleaning robot

Abstract

The utility model relates to the technical field of photovoltaic cleaning robot tension degree adjusting devices, and discloses a photovoltaic cleaning robot tension degree adjusting device which comprises a frame body unit and walking wheels, the walking wheels are connected to the end of the frame body unit, the walking wheels are connected through a synchronous belt, and the synchronous belt is connected with the frame body unit. The frame body unit is provided with an adjusting piece for adjusting the tension degree of the synchronous belt; the adjusting piece is arranged between the two walking wheels, the distance between the two walking wheels is adjusted and controlled, then the tension degree of the synchronous belt is controlled, in the tension degree adjusting process, the adjusting process is carried out in a segmented mode, convenience of installation and machining is guaranteed, and the tension degree of the synchronous belt is adjusted. And meanwhile, the tensioning degree can be continuously adjusted after the device is used for a period of time, and it is guaranteed that the synchronous wheel is always in a proper tensioning range.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic cleaning equipment, in particular to a tension adjustment device for a photovoltaic cleaning robot with adjustable tension Background Technique

[0002] As an energy storage power generation device that converts solar energy into clean electric energy, photovoltaic modules are applied to solar power generation systems. Among them, photovoltaic panels are mainly distributed in areas with sufficient sunlight and few people. During the normal operation of photovoltaic modules, the surface of photovoltaic panels will be polluted and interfered by bird droppings, dust, and snow, and it is necessary to clean them in time.

[0003] In the prior art, there are already cleaning robots for photovoltaic panels, which use roller brushes and scraping bars to clean photovoltaic panels. Driving motors for the movement of walking wheels and roller brush motors for the rotation of roller brushes are respectively arranged at both ends of the machine. In order to ensure that the walking wheels do not slip or deviate during movement, two groups of synchronous walking wheels are arranged to ensure the stability of the cleaning robot.

[0004] In the prior art, two groups of walking wheels are driven by a single motor, and synchronization needs to be achieved by connecting a synchronous belt. When installing the synchronous belt, if the tension is too large, the belt will be too tight to be installed; if the tension is too small, the belt is likely to come off. In addition, after using for a period of time, due to the wear of the machine and other reasons, the synchronous belt is also likely to have a situation where the belt tension is too small and disengages from the walking wheel. Therefore, a tension adjustment device for a photovoltaic cleaning robot with adjustable synchronous belt tension is needed. Summary of the Utility Model

[0005] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, as well as in the abstract and title of the specification of this application, to avoid obscuring the purpose of this part, the abstract of the specification, and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the utility model.

[0006] In view of the problem that it is difficult to control and adjust the tension of the synchronous belt of the existing photovoltaic cleaning equipment, the present utility model is proposed.

[0007] To solve the above technical problems, the present utility model provides the following technical solution: a tension adjustment device for a photovoltaic cleaning robot with transmission shock absorption, including a frame unit and walking wheels, the walking wheels are connected to the ends of the frame unit, and it is characterized in that: the walking wheels are connected by a synchronous belt, and an adjusting member is arranged on the frame unit to adjust the tension of the synchronous belt.

[0008] As a preferred embodiment of the tension adjustment device of the photovoltaic cleaning robot of the present utility model, the following is provided: The traveling wheels include a first traveling wheel and a second traveling wheel. The first traveling wheel is connected to the cross plate of the frame unit. The second traveling wheel is detachably connected to the cross plate. The second traveling wheel is movable along the length direction of the cross plate. The adjusting member is arranged on the side of the second traveling wheel close to the first traveling wheel.

[0009] As a preferred embodiment of the tension adjustment device of the photovoltaic cleaning robot of the present utility model, the following is provided: The second traveling wheel includes a connecting plate and a second traveling wheel body perpendicularly connected to the connecting plate. A slotted hole is formed in the connecting plate along the length direction. The connecting plate is arranged parallel to the cross plate and connected through the slotted hole.

[0010] As a preferred embodiment of the tension adjustment device of the photovoltaic cleaning robot of the present utility model, the following is provided: The adjusting member includes an adjusting plate and a fastening member perpendicularly arranged to the adjusting plate. A connecting through hole is formed in the adjusting plate. The fastening member passes through the connecting through hole and abuts against the connecting plate.

[0011] As a preferred embodiment of the tension adjustment device of the photovoltaic cleaning robot of the present utility model, the following is provided: The number of the slotted holes is not less than two groups.

[0012] As a preferred embodiment of the tension adjustment device of the photovoltaic cleaning robot of the present utility model, the following is provided: The adjusting member further includes a fixing block and an elastic sheet. One end of the elastic sheet is fixedly connected to the fixing block, and the other end is connected with a tensioning wheel. The tensioning wheel abuts against the synchronous belt.

[0013] As a preferred embodiment of the tension adjustment device of the photovoltaic cleaning robot of the present utility model, the following is provided: A wheel frame is arranged on a section of the tensioning wheel close to the elastic sheet. A tensioning wheel body is arranged inside the wheel frame. The tensioning wheel body is connected to the wheel frame through a bearing.

[0014] As a preferred embodiment of the tension adjustment device of the photovoltaic cleaning robot of the present utility model, the following is provided: A notch is formed in the outer circumferential wall of the tensioning wheel body. The width of the notch is not less than the width of the synchronous belt.

[0015] Advantages of the present utility model: By arranging an adjusting member between the two traveling wheels, and controlling the adjustment of the distance between the two traveling wheels, the tension of the synchronous belt is controlled. During the process of adjusting the tension, the adjustment process is carried out in sections, which not only ensures the convenience of installation and processing, but also can continuously adjust the tension after using for a period of time, ensuring that the synchronous wheel is always in a suitable tension range. Description of the Drawings

[0016] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the attached drawings required for the description of the embodiments. Obviously, the attached drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other attached drawings can be obtained based on these drawings. Among them:

[0017] Figure 1 It is a schematic structural diagram of the first embodiment of the tension adjustment device of the photovoltaic cleaning robot of the present utility model.

[0018] Figure 2 It is an exploded view of the first embodiment of the tension adjustment device of the photovoltaic cleaning robot of the present utility model.

[0019] Figure 3 It is an exploded view of the first embodiment of the tension adjustment device of the photovoltaic cleaning robot of the present utility model.

[0020] Figure 4 It is a schematic structural diagram of the second embodiment of the tension adjustment device of the photovoltaic cleaning robot of the present utility model.

[0021] Figure 5 It is an exploded view of the second embodiment of the tension adjustment device of the photovoltaic cleaning robot of the present utility model. Specific embodiments

[0022] To make the above objects, features and advantages of the present utility model more obvious and understandable, the following will make a detailed description of the specific embodiments of the present utility model in conjunction with the attached drawings of the specification.

[0023] Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0024] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure or characteristic that can be included in at least one implementation manner of the present utility model. The "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment that excludes other embodiments.

[0025] Next, the present utility model will be described in detail with reference to the schematic diagrams. When describing the embodiments of the present utility model in detail, for the convenience of explanation, the cross-sectional views showing the device structure will be enlarged locally not in accordance with the general scale, and the schematic diagrams are only examples and should not limit the scope of protection of the present utility model herein. In addition, in actual production, the three-dimensional spatial dimensions of length, width, and depth should be included.

[0026] Embodiment 1

[0027] Refer to Figures 1 to 3 , which is the first embodiment of the present utility model, and provides a tension adjustment device for a photovoltaic cleaning robot. For a photovoltaic cleaning robot, in order to achieve anti-slip of the driving wheels, usually one set of two driving wheels is used at each end, and the two driving wheels should move synchronously. Otherwise, risks such as side slip and steering are likely to occur due to the speed difference. Therefore, in existing photovoltaic cleaning robots, the two driving wheels on the same side are often connected by a synchronous belt to ensure the synchronization of the two driving wheels.

[0028] The frame unit 100 and the driving wheels 200 are provided. The driving wheels 200 are connected to the ends of the frame unit 100, and the driving wheels 200 are connected by a synchronous belt 300. An adjusting member 400 is provided on the frame unit 100 to adjust the tension of the synchronous belt 300. As shown in the figure, the driving wheels 200 are arranged at the two ends of the robot body, that is, the upper and lower parts. The frame unit 100 constitutes the basic frame of the machine. The driving wheels 200 are arranged at both ends of the frame unit 100. The tension of the synchronous belt 300 is determined by the distance between the driving wheels 200 and the length of the synchronous belt 300. In actual use, the length of the synchronous belt 300 is mainly used for the broad adjustment of the tension. After the synchronous belt 300 is initially installed and fixed, the tension is further adjusted by adjusting the distance between the driving wheels 200. Such an adjustment method is also convenient for the assembly of the driving wheels 200.

[0029] The driving wheels 200 include a first driving wheel 201 and a second driving wheel 202. The first driving wheel 201 is connected to the cross plate 101 of the frame unit 100, and the second driving wheel 202 is detachably connected to the cross plate 101. The second driving wheel 202 is movable along the length direction of the cross plate 101. The adjusting member 400 is arranged on the side of the second driving wheel 202 close to the first driving wheel 201.

[0030] Furthermore, for the walking wheels 200, a parallel first walking wheel 201 and a second walking wheel 202 are arranged on the same side. As shown in the figure, a cross plate 101 is arranged on the frame unit 100. The first walking wheel 201 is connected to the cross plate 101. For easy assembly, detachable connection can be adopted, such as connection by screws, or for ensuring integrity, it can be fixedly connected to the cross plate 101. Since the distance between the first walking wheel 201 and the second walking wheel 202 affects the tension of the synchronous belt 300, when the first walking wheel 201 is relatively fixed to the cross plate 101, at this time, adjusting the lateral position of the second walking wheel 202 can adjust the tension of the synchronous belt 300. As shown in the figure, the adjusting member 400 is arranged on the side of the second walking wheel 202 close to the first walking wheel 201, that is, the adjusting member 400 is between the first walking wheel 201 and the second walking wheel 202. The adjusting member 400 controls the tension by controlling the relative position of the second walking wheel 202 on the cross plate 101.

[0031] The second walking wheel 202 includes a connecting plate 202a and a second walking wheel body 202b vertically connected to the connecting plate 202a. A long hole 202c is formed in the connecting plate 202a along the length direction. The connecting plate 202a is arranged parallel to the cross plate 101 and connected through the long hole 202c. The number of long holes 202c is not less than two. The adjusting member 400 includes an adjusting plate 401 and a fastener 402 vertically arranged with the adjusting plate 401. A connecting through hole 403 is formed in the adjusting plate 401. The fastener 402 passes through the connecting through hole 403 and abuts against the connecting plate 202a.

[0032] Specifically, regarding the relative position of the second traveling wheel 202, as shown in the figure, a connecting plate 202a and a second traveling wheel body 202b are provided on the second traveling wheel 202. The connecting plate 202a is arranged parallel to the cross plate 101, and the second traveling wheel body 202b is perpendicular to the connecting plate 202a. The two are connected by a bearing, that is, the second traveling wheel body 202b and the connecting plate 202a can be regarded as a whole when adjusting the position. A long hole 202c is provided along the length direction on the connecting plate 202a, that is, the second traveling wheel 202 is arranged parallel to the cross plate 101 and connected through the long hole 202c. To ensure the stability of the second traveling wheel 202, the number of long holes 202c is not less than two. As shown in the figure, the long holes 202c are in two groups, each group including two up and down. The adjusting plate 401 and the fastener 402 on the adjusting member 400. A connecting through hole 403 is provided on the adjusting plate 401. The fastener 402 passes through the connecting through hole 403 and abuts against the connecting plate 202a. When the second traveling wheel 202 needs to be moved, by screwing the fastener 402, especially after the fastener 402 passes through the connecting through hole 403, pressure will be applied to the side wall of the connecting plate 202a, thereby fixing the connecting plate 202a. In use, first move the connecting plate 202a to a relatively appropriate position, and then preliminarily fix the connecting plate 202a at the long hole 202c by using screws or bolts. Then screw the fastener 402 to make the fastener 402 apply pressure to the connecting plate 202a. During this process, the connecting plate 202a moves in the horizontal direction to ensure a reasonable tension. Finally, completely fix the screws or bolts on the long hole 202c, thereby ensuring the fixation of the connecting plate 202a in both the horizontal and vertical directions.

[0033] Embodiment 2

[0034] The difference between this embodiment and Embodiment 1 is that this embodiment adjusts the state of the synchronous belt 300 to solve the problem of tension. In this embodiment, as Figure 4 and Figure 5 , the adjusting member 400 is a fixed block 404 and an elastic piece 405. One end of the elastic piece 405 is fixedly connected to the fixed block 404, and the other end is connected with a tension pulley 406. The tension pulley 406 abuts against the synchronous belt 300.

[0035] When the first traveling wheel 201 and the second traveling wheel 202 are initially installed, at this time, the tension of the synchronous belt 300 is adjusted by adjusting the pressing degree of the synchronous belt 300. As shown in the figure, the adjusting member 400 includes a fixed block 404 and an elastic piece 405. The fixed block 404 is fixed on the cross plate 101. One end of the elastic piece 405 is fixedly connected to the fixed block 404, that is, one end of the elastic piece 405 is connected to the fixed block 404, and the other end is connected to the tension pulley 406. Due to the elastic force of the elastic piece 405, it will drive the tension pulley 406 to abut against the synchronous belt 300 and form a certain pressure. At this time, by adjusting the pressing degree of the elastic piece 405, that is, the tension pulley 406 on the synchronous belt 300, the tension of the synchronous belt 300 is adjusted.

[0036] A wheel frame 406a is provided at a section of the tension pulley 406 close to the elastic piece 405. A tension pulley body 406b is arranged inside the wheel frame 406a. The tension pulley body 406b and the wheel frame 406a are connected by a bearing. The tension pulley body 406b is provided with a notch 406c along the outer peripheral wall. The width of the notch 406c is not less than the width of the synchronous belt 300.

[0037] Specifically, as shown in the figure, for the pressure contact between the tension pulley 406 and the synchronous belt 300, a wheel frame 406a is provided at a section of the tension pulley 406 close to the synchronous belt 300. The tension pulley body 406b is connected to the wheel frame 406a. Further, the tension pulley body 406b and the wheel frame 406a are connected by a bearing, that is, the tension pulley body 406b can rotate to ensure that when the synchronous belt 300 is transmitting power, the tension pulley 406 can rotate together with it. In order to reduce the friction between the tension pulley 406 and the synchronous belt 300 during the transmission process, the tension pulley body 406b is provided with a notch 406c along the outer peripheral wall. The width of the notch 406c is not less than the width of the synchronous belt 300, so that the synchronous belt 300 can be placed in the notch 406c, and at the same time, the stability between the synchronous belt 300 and the tension pulley 406 can be ensured, and it is not easy to fall off.

[0038] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered by the scope of the claims of the present invention.

Claims

1. A tension adjustment device for a photovoltaic cleaning robot, comprising a frame unit (100) and a running wheel (200), wherein the running wheel (200) is connected to an end of the frame unit (100), characterized in that: The running wheels (200) are connected to each other via a synchronous belt (300), and an adjusting member (400) is provided on the frame unit (100) to adjust the tension of the synchronous belt (300); The walking wheel (200) comprises a first walking wheel (201) and a second walking wheel (202), wherein the first walking wheel (201) is connected to the transverse plate (101) of the frame unit (100), and the second walking wheel (202) comprises a connecting plate (202a) and a second walking wheel body (202b) vertically connected to the connecting plate (202a); The adjusting member (400) comprises an adjusting plate (401) and a fastener (402) arranged perpendicular to the adjusting plate (401); a connecting through hole (403) is provided on the adjusting plate (401); the fastener (402) passes through the connecting through hole (403) and contacts the connecting plate (202a).

2. The tension adjustment device for a photovoltaic cleaning robot according to claim 1, characterized in that: The second walking wheel (202) is detachably connected to the transverse plate (101); the second walking wheel (202) is movable along the length direction of the transverse plate (101); and the adjusting member (400) is arranged on a side of the second walking wheel (202) close to the first walking wheel (201).

3. The tension adjustment device for a photovoltaic cleaning robot according to claim 2, characterized in that: The connecting plate (202a) is provided with a waist hole (202c) along the length direction; the connecting plate (202a) is arranged parallel to the transverse plate (101) and is connected via the waist hole (202c).

4. The tension adjustment device for a photovoltaic cleaning robot according to claim 3, characterized in that: The number of the waist holes (202c) is no less than two groups.

5. The tension adjustment device for a photovoltaic cleaning robot according to any one of claims 1 to 4, characterized in that: The adjusting member (400) further comprises a fixing block (404) and an elastic sheet (405), one end of the elastic sheet (405) is fixedly connected to the fixing block (404), and the other end is connected to a tensioning wheel (406), and the tensioning wheel (406) contacts the synchronous belt (300).

6. The tension adjustment device for a photovoltaic cleaning robot according to claim 5, characterized in that: A wheel frame (406a) is provided at a section of the tension wheel (406) close to the elastic sheet (405), a tension wheel body (406b) is provided inside the wheel frame (406a), and the tension wheel body (406b) and the wheel frame (406a) are connected via a bearing.

7. The tension adjustment device for a photovoltaic cleaning robot according to claim 6, characterized in that: The tension wheel body (406b) is provided with a notch (406c) along the outer peripheral wall, and the width of the notch (406c) is not less than the width of the synchronous belt (300).

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