Anti-winding flexible hoisting device for photovoltaic cleaning robot
By adopting a sliding mechanism and rolling wheel structure in the hoisting device of the photovoltaic cleaning robot, the problems of chain entanglement and wear are solved, enabling smooth chain loading and unloading and reducing wear, thereby reducing production costs.
Patent Information
- Application Number
- CN202520432272.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-13
AI Technical Summary
In existing photovoltaic cleaning robot hoisting devices, the chain is prone to tangling and jamming during the extension and retraction process, resulting in complex structure, high cost, and severe chain wear.
The winding and unwinding mechanism uses three chains connected to three hydraulic motors. Through the design of sliding mechanism, reducer and spring, it ensures that the chain is always taut. Combined with the rolling wheel structure, it reduces friction and avoids tangling and wear.
It effectively avoids chain entanglement and jamming, reduces production costs, reduces wear and tear, and improves the reliability and efficiency of the hoisting device.
Smart Images
Figure CN223752304U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to photovoltaic cleaning robot field, concretely is a kind of photovoltaic cleaning robot anti-winding flexible hoisting device. BACKGROUND
[0002] Photovoltaic generally refers to photovoltaic power generation system, refers to the photovoltaic cell's photovoltaic effect, and the solar radiation energy is directly converted into the power generation system of electric energy, with the increase of use time, photovoltaic power station will accumulate many dust, so it needs to use hoisting device to hang up cleaning robot to clean photovoltaic panel.
[0003] The commonly used cleaning robot is installed support, and multiple photovoltaic panels are connected, and then the photovoltaic cleaning robot is hung on the support to work, and generally, the cleaning robot is not taken down, and another kind is connected in a flexible way, and after cleaning a row of photovoltaic panels, the cleaning robot is lifted, and then is transported to the next row by transfer trolley to continue cleaning.
[0004] However, the current hoisting device is provided with multiple chains, and is connected with related rotating wheel equipment by multiple motors or hydraulic motors to retract and release the chains, but when the chains are retracted and released, the chains in different groups or the chains in the same group are wound, which causes the retraction and release process to be blocked, so that the normal retraction and release cannot be carried out, and the setting structure of multiple motors or hydraulic motors is complex and increases the production cost. UTILITY MODEL CONTENTS
[0005] In order to make up for the deficiency of prior art, the current hoisting device uses three chains, and needs to adopt three hydraulic motors to connect related retraction and release mechanism, and due to the manufacturing process of the chains, there are protrusions on the surface of the chains, which causes the chains to be blocked when passing through the retraction and release mechanism, so that the structure is not only complex, but also the cost is high, and the fault is prone to occur, in addition, when the chains are retracted, the chains are twisted and mixed together or the chains are accumulated in the retraction box, so that the chains cannot smoothly pass through the retraction and release mechanism, and when the chains are retracted and released, the chains are inclined downward, which causes the problem of abrasion between the chains and the lower edge of the retraction opening, the utility model provides a kind of photovoltaic cleaning robot anti-winding flexible hoisting device.
[0006] The utility model discloses a kind of photovoltaic cleaning robot anti-entangling flexible hoisting devices, including support, the outer side of the support is fixedly connected with shell, the top of the support is fixedly connected with speed reducer, hydraulic motor is provided at the front of the speed reducer, the output shaft of the two ends of the speed reducer is fixedly connected with universal joint one end, the other end of the universal joint is fixedly connected with hoisting equipment, the outer side of the hoisting equipment is sleeved with chain, sliding mechanism is provided at the bottom of the support, the sliding mechanism includes guide rail, the guide rail is fixedly connected with the bottom of the support, two groups of sliding blocks are sleeved at the bottom of the guide rail, the sliding block is fixedly connected with moving shell, pulley block is provided in the moving shell, the chain is sleeved in the inner side of pulley block.
[0007] Preferably, the front and rear of the moving shell are provided with first clamping grooves, the two ends of the front and rear of the support are provided with fixing bases, the bottom end of the fixing base is provided with a second clamping groove, the bottom end of the support is provided with four groups of springs, and the two ends of the spring are sleeved in the first clamping groove and the second clamping groove.
[0008] Preferably, a plurality of first fixing holes are formed in the front and rear of the support, a second fixing hole is formed in the top end of the fixing base, a screw is penetrated through the first fixing hole and the second fixing hole, and a bolt is threadedly connected to the rear of the screw.
[0009] Preferably, the two ends of the bottom of the support are fixedly connected with connecting frames, two groups of rolling wheels are rotatably connected in the connecting frames, and one end of the chain is in contact with the inner side of the two groups of rolling wheels.
[0010] Preferably, an encoder is arranged on the outer side of the connection between the hydraulic motor and the speed reducer.
[0011] The utility model discloses the beneficial effect lies in:
[0012] 1. The utility model discloses a kind of through the structural design of sliding mechanism, speed reducer and spring, realize that speed reducer has bidirectional output shaft, so effectively reduce the hydraulic motor needs to set two groups and two groups of one-way speed reducer, by spring pull pulley block fixed on moving shell in guide rail movement will be received in the chain of support, chain is keeping straight at any time, so that chain is not wrapped between the phenomenon that occurs, i.e.
[0013] 2. The utility model discloses a structure design of the rolling wheel, realized the chain end in the retraction movement and two groups of rolling wheel contact, and make the rolling wheel rotate, the original sliding friction has become the rolling friction, greatly reduced the wear and tear function between each part, solved when the chain is retracted, the chain twist is mixed together or the chain is accumulated in the storage box and leads to the chain to be unable to smoothly pass through the retracting mechanism also can be jammed, when retracting the chain, because the chain is obliquely downward, will lead to the wear and tear problem of the lower edge of the storage mouth of the chain. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, also can obtain other drawings according to these drawings.
[0015] Figure 1 It is the front three-dimensional structure schematic view of the utility model;
[0016] Figure 2 It is the bottom three-dimensional structure schematic view of the utility model;
[0017] Figure 3 It is the inside three-dimensional structure schematic view of the shell of the utility model;
[0018] Figure 4 It is the structure schematic view of the screw dismounting of the utility model;
[0019] Figure 5 It is the Figure 4 It is the structure schematic view of the partial enlargement of A place in the utility model;
[0020] Figure 6 It is the bottom three-dimensional structure schematic view of the support of the utility model;
[0021] Figure 7 It is the structure schematic view of the guide rail dismounting of the utility model.
[0022] In the drawing: 1, support;2, shell;3, speed reducer;4, hydraulic motor;5, universal joint;6, hoisting equipment;7, chain;8, guide rail;9, sliding block;10, moving shell;11, pulley block;12, first clamping groove;13, fixed seat;14, second clamping groove;15, spring;16, first fixed hole;17, second fixed hole;18, screw;19, bolt;20, connecting frame;21, rolling wheel;100, encoder. DETAILED DESCRIPTION
[0023] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0024] Please refer to Figure 1 Figure 7 As shown in FIG. 1, a photovoltaic cleaning robot anti-winding flexible lifting device, comprising a support 1, the outer side of the support 1 is fixedly connected with an outer shell 2, the top end of the support 1 is fixedly connected with a speed reducer 3, the front part of the speed reducer 3 is provided with a hydraulic motor, the output shafts at both ends of the speed reducer 3 are fixedly connected with one end of a universal joint 5, the other end of the universal joint 5 is fixedly connected with a hoisting device 6, the outer side of the hoisting device 6 is sleeved with a chain 7, the bottom end of the support 1 is provided with a sliding mechanism, the sliding mechanism comprises a guide rail 8, the guide rail 8 is fixedly connected with the bottom end of the support 1, two groups of sliding blocks 9 are sleeved at the bottom of the guide rail 8, the sliding blocks 9 are fixedly connected with a moving shell 10, a pulley block 11 is arranged in the moving shell 10, and the chain 7 is sleeved on the inner side of the pulley block 11;
[0025] When working, the output shaft of the hydraulic motor is connected with the corresponding parts in the speed reducer 3, the hydraulic motor 4 drives the speed reducer 3 to work, the speed reducer 3 is a worm gear speed reducer 3, which divides the power of the hydraulic motor 4 into two parts to drive two groups of chain 7 hoisting devices, so that the two groups of chains can realize completely synchronous action, the speed reducer 3 drives the universal joint 5 at both ends of the speed reducer 3 to rotate and makes the hoisting device 6 work, the hoisting device 6 works to drive the chain 7 to move, since the chain 7 is sleeved on the inner side of the hoisting device 6 and the pulley block 11, the connection movement also drives the pulley block 11 to move, the chain 7 is also sleeved on the outer side of the hoisting device 6 and the pulley block 11, in order to make the chain 7 between the hoisting device 6 and the pulley block 11 in a tense state, the pulley block 11 fixed on the moving shell 10 is pulled by the spring 15 to move on the guide rail 8 to tension the chain 7 stored in the support 1, the chain 7 is kept in a straight state at any time, greatly reducing the space required for storing the chain 7 and avoiding the problem of chain jamming caused by the accumulation of the chain 7 in the cavity, the freedom of the universal joint 5 is utilized to reduce the installation precision requirement of the chain 7, and the chain 7 hoisting mechanism drive shaft and the speed reducer 3 output shaft are different shafts, the size of the installation support is reduced, and the weight is reduced, the pulley block 11 comprises a fixed pulley and two movable pulleys, the two movable pulleys are installed on the guide rail 8, the movable pulleys are tensioned by the spring 15, when the chain 7 is shortened, the non-hoisting side chain 7 is elongated and tensioned by the spring 15 through the pulley block 11, and the accumulation of the non-hoisting side chain 7 is avoided to cause the hoisting mechanism to be blocked.
[0026] Further, as Figure 3 andFigure 7 As shown, the front and rear of the mobile shell 10 are provided with first clamping grooves 12, the front and rear of the support 1 are provided with fixing seats 13 at both ends, the bottom end of the fixing seat 13 is provided with a second clamping groove 14, and the bottom end of the support 1 is provided with four groups of springs 15, both ends of the spring 15 are sleeved in the first clamping groove 12 and the second clamping groove 14.
[0027] When working, the key to tensioning the chain 7 lies in the elastic force generated by the stretching of the spring 15. When the spring 15 is installed, both ends of the spring 15 are sleeved on the first clamping groove 12 outside the mobile shell 10 and the second clamping groove 14 at the bottom end of the fixing seat 13, and four groups of springs 15 are installed in this way to generate greater elastic force to increase the tensioning degree of the chain 7.
[0028] Further, as shown in Figure 5 The front and rear of the support 1 are provided with a plurality of first fixing holes 16, the top end of the fixing seat 13 is provided with a second fixing hole 17, and a screw 18 penetrates the first fixing hole 16 and the second fixing hole 17, and a bolt 19 is threadedly connected to the rear of the screw 18.
[0029] When working, the front and rear of the support 1 are provided with a plurality of first fixing holes 16, which can be fixed and installed in cooperation with the holes provided on various parts and corresponding fixed parts, and the connection between the fixing seat 13 and the support 1 is completed by penetrating the first fixing hole 16 and the second fixing hole 17 at the top end of the fixing seat 13 with the screw 18, and then threadedly connecting the screw 18 with the bolt 19 to fix the fixing seat 13.
[0030] Further, as shown in Figure 2 and Figure 3 The bottom of the support 1 is fixedly connected with a connecting frame 20, two groups of rolling wheels 21 are rotatably connected in the connecting frame 20, and one end of the chain 7 is in contact with the inner side of the two groups of rolling wheels 21.
[0031] When working, through the structural design of the rolling wheel 21, the end of the chain 7 is in contact with the two groups of rolling wheels 21 when the chain 7 is retracted and moved, and the rolling wheel 21 rotates, changing the original sliding friction into rolling friction, greatly reducing the wear and tear between parts, solving the problem that when the chain 7 is retracted, the chain 7 is twisted and tangled together or the chain 7 is stacked in the storage box, causing the chain 7 to be unable to smoothly pass through the retracting mechanism, and when the chain 7 is retracted, the chain 7 is inclined downward, causing the chain 7 to be worn at the lower edge of the storage opening.
[0032] Further, as shown in Figure 4 The connecting place between the hydraulic motor 4 and the speed reducer 3 is provided with an encoder 100.
[0033] In operation, the encoder 100 can measure the rotation angle of the hydraulic motor 4, and then calculate the extension and contraction length of the chain 7.
[0034] The working principle is that the output shaft of the hydraulic motor is connected with the corresponding parts inside the speed reducer 3, the hydraulic motor drives the speed reducer 3 to work, the speed reducer 3 is a bidirectional output shaft, the speed reducer 3 drives the universal joint 5 at both ends of the speed reducer 3 to rotate and makes the hoisting device 6 work, the hoisting device 6 drives the chain 7 to move, since the chain 7 is sleeved inside the hoisting device 6 and the pulley block 11, the movement of the connection also drives the pulley block 11 to move, the chain 7 is also sleeved outside the hoisting device 6 and the pulley block 11, in order to keep the chain 7 between the hoisting device 6 and the pulley block 11 in a taut state, the pulley block 11 fixed on the moving shell 10 is pulled by the spring 15 to move on the guide rail 8, so that the chain 7 stored in the support 1 is tensioned, the chain 7 is kept straight at any time, which greatly reduces the space required for storing the chain 7 and avoids the problem that the chain 7 is accumulated in the cavity to cause the chain to be stuck when the chain 7 is stored.
[0035] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.
Claims
1. A photovoltaic cleaning robot anti-entanglement flexible hoist apparatus, characterized by: The application relates to a lifting device, which comprises a support (1), an outer shell (2) fixedly connected to the outside of the support (1), a speed reducer (3) fixedly connected to the top end of the support (1), a hydraulic motor (4) arranged at the front of the speed reducer (3), an output shaft fixedly connected to one end of a universal joint (5) at the two ends of the speed reducer (3), the other end of the universal joint (5) being fixedly connected with a hoisting device (6), a chain (7) sleeved at the outside of the hoisting device (6), a sliding mechanism arranged at the bottom end of the support (1), the sliding mechanism comprising a guide rail (8) fixedly connected to the bottom end of the support (1), two groups of sliding blocks (9) sleeved at the bottom of the guide rail (8), the sliding blocks (9) being fixedly connected with a moving shell (10), a pulley block (11) arranged in the moving shell (10), and the chain (7) being sleeved at the inside of the pulley block (11).
2. The photovoltaic cleaning robot anti-entanglement flexible hoisting device according to claim 1, characterized in that: First clamping grooves (12) are arranged at the front and rear of the moving shell (10), fixed seats (13) are arranged at the two ends of the front and rear of the support (1), second clamping grooves (14) are arranged at the bottom end of the fixed seats (13), four groups of springs (15) are arranged at the bottom end of the support (1), and the two ends of the springs (15) are sleeved in the first clamping grooves (12) and the second clamping grooves (14).
3. The photovoltaic cleaning robot anti-entanglement flexible hoisting device of claim 2, wherein: A plurality of first fixing holes (16) are arranged at the front and rear of the support (1), a second fixing hole (17) is arranged at the top end of the fixed seat (13), a screw (18) penetrates through the first fixing hole (16) and the second fixing hole (17), and a bolt (19) is threadedly connected to the rear of the screw (18).
4. The photovoltaic cleaning robot anti-entanglement flexible hoisting device of claim 3, wherein: Connecting frames (20) are fixedly connected to the two ends of the bottom of the support (1), two groups of rolling wheels (21) are rotatably connected in the connecting frames (20), and one end of the chain (7) is in contact with the inside of the two groups of rolling wheels (21).
5. A photovoltaic cleaning robot anti-entanglement flexible hoisting arrangement according to claim 4, wherein: An encoder (100) is arranged at the outside of the connection between the hydraulic motor (4) and the speed reducer (3).