Rotation driving device, laser radar cleaning system and laser radar

Abstract

The utility model relates to a rotary driving device, which is used for driving a rotatable structure and is characterized by comprising a first rotary supporting piece and a second rotary supporting piece, a second rotary support; the first end part of the first buckle is configured to be connected with a rotatable structure, and the second end part of the first buckle is configured to be connected with the first rotary supporting piece; and the first end part of the second buckle is configured to be connected with the rotatable structure, and the second end part of the second buckle is configured to be connected with the second rotary supporting piece.

Description

Technical Field

[0001] The present disclosure relates to the field of lidar, and more particularly to a rotation driving device, a lidar cleaning system, and a lidar. Background Art

[0002] A lidar is a radar system that detects characteristic quantities such as the position and speed of a target object by emitting laser beams, and is a detection method that combines laser technology and optoelectronic detection technology. Lidar has high resolution, strong anti-active interference ability, good detection performance, small size and light weight, and is widely used in fields such as autonomous driving, traffic communication, unmanned aerial vehicles, intelligent robots, and resource exploration.

[0003] Currently, many axially fixed rotatable structures are fixed by screws, and tools must be used for replacement during structure replacement. The disassembly and assembly of axially fixed rotatable structures are relatively troublesome, and the replacement cost is relatively high.

[0004] To address this problem, the present disclosure relates to a rotation driving device and a lidar cleaning system equipped with the rotation driving device. Moreover, this rotation driving device can achieve a quick plug-and-play structure for axial fixation, can reduce the difficulty of disassembling and assembling axially fixed rotatable structures, and save the time cost of disassembling and assembling axially fixed rotatable structures. Summary of the Invention

[0005] The object of the present disclosure is precisely to overcome the above and / or other problems in the prior art. It provides a rotation driving device and a lidar cleaning system, which can reduce the difficulty of disassembling and assembling axially fixed rotatable structures and save the disassembly and assembly time of axially fixed rotatable structures.

[0006] According to some embodiments of the present disclosure, it provides a rotation driving device for driving a rotatable structure, characterized by including: a first rotation support member; a second rotation support member; a first buckle, the first end of the first buckle is configured to be connected to the rotatable structure, and the second end of the first buckle is configured to be connected to the first rotation support member; and a second buckle, the first end of the second buckle is configured to be connected to the rotatable structure, and the second end of the second buckle is configured to be connected to the second rotation support member. In the rotation driving device of the present disclosure, the axially fixed rotatable structure is connected by buckles. Some embodiments of the present disclosure can achieve quick plug-and-play of axial fixation, can reduce the difficulty of disassembling and assembling axially fixed rotatable structures, and save the time cost of disassembling and assembling axially fixed rotatable structures.

[0007] Optionally, a first mounting hole is formed at the first axial end of the first rotation support member, the second end of the first buckle is connected to the first mounting hole, a second mounting hole is formed at the first axial end of the second rotation support member, and the second end of the second buckle is connected to the second mounting hole.

[0008] Optionally, the first end of the rotatable structure is connected to the first end of the first buckle, and the second end of the rotatable structure is connected to the first end of the second buckle.

[0009] Optionally, one of the first ends of the rotatable structure and the first buckle includes a third mounting hole, and the other of the first ends of the rotatable structure and the first buckle includes a first protrusion that is inserted into the third mounting hole. One of the second ends of the rotatable structure and the first end of the second buckle includes a fourth mounting hole, and the other of the second ends of the rotatable structure and the first end of the second buckle includes a second protrusion that is inserted into the fourth mounting hole.

[0010] Optionally, the first protrusion and the third mounting hole are configured to restrict the sliding of the first protrusion relative to the third mounting hole; the second protrusion and the fourth mounting hole are configured to restrict the sliding of the second protrusion relative to the fourth mounting hole.

[0011] Optionally, at least one of the first buckle and the second buckle includes: a bushing, the first end of which is connected to the rotatable structure, and the bushing includes a fifth mounting hole; and a fixed shaft, the first part of which is inserted into the fifth mounting hole of the bushing and fixed relative to the fifth mounting hole of the bushing.

[0012] Optionally, the second end of the first buckle includes a first sleeve, the first end of which is connected to the second part of the fixed shaft; and a first buckle member is formed at the second end of the first sleeve. The second end of the first buckle is clamped to the first mounting hole through the first buckle member. In the rotation driving device of the present disclosure, through the clamping of the first buckle member to the first mounting hole, some embodiments of the present disclosure can achieve a quick plug-and-play structure for axial fixation, can reduce the difficulty of disassembling and assembling the axially fixed rotatable structure, and save the time cost of disassembling and assembling the axially fixed rotatable structure.

[0013] Optionally, the second end of the second buckle includes a second sleeve, the first end of which is connected to the second part of the fixed shaft; and a first buckle member is formed at the second end of the second sleeve. The second end of the second buckle is clamped to the second mounting hole through the first buckle member. In the rotation driving device of the present disclosure, through the clamping of the first buckle member to the second mounting hole, some embodiments of the present disclosure can achieve a quick plug-and-play structure for axial fixation, can reduce the difficulty of disassembling and assembling the axially fixed rotatable structure, and save the time cost of disassembling and assembling the axially fixed rotatable structure.

[0014] Optionally, threads are formed on the surface of the first portion of the fixed shaft, and threads are formed in the fifth mounting hole of the bushing.

[0015] Optionally, the first fastening member includes at least one hook.

[0016] Optionally, the first fastening member includes a plurality of hooks, and there is a gap between adjacent hooks. By having a gap between the hooks, some embodiments of the present disclosure can reduce the difficulty of disassembling and assembling the axially fixed rotatable structure and save the time cost of disassembling and assembling the axially fixed rotatable structure.

[0017] Optionally, a groove is formed circumferentially on one of the first end of the second rotating support member and the second end of the second fastening member, and the other of the first end of the second rotating support member and the second end of the second fastening member includes at least one second fastening member, and the second fastening member is configured to cooperate with the groove.

[0018] Optionally, the second fastening member is configured to be movable radially along the second mounting hole.

[0019] Optionally, the end face of the second fastening member is configured to protrude towards the second mounting hole.

[0020] The end face of the second fastening member is configured to include one or a combination of a spherical surface, an aspherical surface, and a conical surface.

[0021] Optionally, the second fastening member is a ball plunger.

[0022] Optionally, a driver having an output shaft, and the axial second end of the first rotating support member is connected to the output shaft of the driver.

[0023] Optionally, a seventh mounting hole is formed on the axial end face of the second end of the first rotating support member,

[0024] The output shaft is inserted into the seventh mounting hole of the first rotating support member.

[0025] Optionally, the end of the output shaft and the seventh mounting hole are configured to limit the sliding of the end of the output shaft relative to the seventh mounting hole.

[0026] According to some other embodiments of the present disclosure, a lidar cleaning system is provided, including the above-mentioned rotation driving device; a rotatable structure; and a wiper strip, which is mounted on the rotatable structure and is located between the rotatable structure and the housing of the lidar.

[0027] With the above-described rotational drive device structure, some embodiments of the present disclosure can reduce the need for positioning members in the quick-disconnect structure with axial fixation, reduce the difficulty of disassembling and assembling the axially-fixed rotatable structure, and save the time cost of disassembling and assembling the axially-fixed rotatable structure.

[0028] According to some other embodiments of the present disclosure, there is provided a lidar including the above-described lidar cleaning system. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The drawings are used to provide a further understanding of the present disclosure, and constitute a part of the specification. Together with the embodiments of the present disclosure, they are used to explain the present disclosure, and do not constitute a limitation to the present disclosure. In the drawings:

[0030] Figure 1 A front view of a rotational drive device according to some embodiments of the present disclosure is shown;

[0031] Figure 2 A perspective view of a rotational support member and a snap according to some embodiments of the present disclosure is shown;

[0032] Figure 3 A perspective view of a snap according to some embodiments of the present disclosure is shown;

[0033] Figure 4 A perspective view of a rotatable structure and a snap according to some embodiments of the present disclosure is shown;

[0034] Figure 5 A perspective view of a rotatable structure and a snap according to some embodiments of the present disclosure is shown;

[0035] Figure 6 A cross-sectional view of a first rotational support member according to some embodiments of the present disclosure is shown;

[0036] Figure 7 A cross-sectional view of a second rotational support member according to some embodiments of the present disclosure is shown;

[0037] Figure 8 A cross-sectional view of a first snap according to some embodiments of the present disclosure is shown;

[0038] Figure 9 A cross-sectional view of a second snap according to some embodiments of the present disclosure is shown;

[0039] Figure 10 A front view of a rotational drive device according to some other embodiments of the present disclosure is shown;

[0040] Figure 11 A perspective view of a rotatable structure and a snap according to some other embodiments of the present disclosure is shown;

[0041] Figure 12 A perspective view of a second rotary support according to some other embodiments of the present disclosure is shown;

[0042] Figure 13 A cross-sectional view of a second rotary support according to some other embodiments of the present disclosure is shown;

[0043] Figure 14 A cross-sectional view of a second buckle according to some other embodiments of the present disclosure is shown. Detailed implementation manners

[0044] The detailed implementation manners of the present disclosure will be described below. It should be noted that in the process of the specific description of these implementation manners, for the sake of concise description, this specification cannot describe all features of the actual implementation manners in detail. It should be understood that in the actual implementation process of any implementation manner, just as in the process of any engineering project or design project, in order to achieve the specific goals of the developer and to meet the system-related or business-related restrictions, various specific decisions are often made, and these will also change from one implementation manner to another. In addition, it should also be understood that although the efforts made in this development process may be complex and lengthy, for those of ordinary skill in the art related to the content disclosed in the present disclosure, some design, manufacturing or production changes made on the basis of the technical content disclosed in the present disclosure are only conventional technical means and should not be understood as the content of the present disclosure being insufficient.

[0045] Unless otherwise defined, the technical terms or scientific terms used in the claims and the specification should have the ordinary meanings understood by those of ordinary skill in the technical field to which the present disclosure belongs. The "first", "second" and similar terms used in the specification and claims of the present patent application do not indicate any order, quantity or importance, but are only used to distinguish different components. The terms such as "a" or "an" do not indicate a quantity limitation, but indicate that there is at least one. The terms such as "comprising" or "including" mean that the elements or objects appearing before "comprising" or "including" cover the elements or objects listed after "comprising" or "including" and their equivalent elements, and do not exclude other elements or objects. The terms such as "connected", "coupled" or "linked" are not limited to physical or mechanical connections, nor are they limited to direct or indirect connections.

[0046] In the present disclosure, if there is no special indication, all the implementation manners and preferred implementation manners mentioned herein can be combined with each other to form a new technical solution. In the present disclosure, if there is no special indication, all the technical features and preferred features mentioned herein can be combined with each other to form a new technical solution.

[0047] In the description of the embodiments of the present disclosure, the term "and / or" is merely a relationship describing associated objects, indicating that three relationships may exist. For example, a and / or b may represent three situations: a exists alone, a and b exist simultaneously, and b exists alone. Additionally, the character " / " in this text generally represents an "or" relationship between the associated objects before and after.

[0048] The following will describe in detail a rotation driving device and a lidar cleaning system according to some embodiments of the present disclosure with reference to the accompanying drawings.

[0049] The present disclosure provides a rotation driving device, including: a first rotation support; a second rotation support; a first buckle, a first end of the first buckle being configured to be connected to a rotatable structure, and a second end of the first buckle being configured to be connected to the first rotation support; and a second buckle, a first end of the second buckle being configured to be connected to the rotatable structure, and a second end of the second buckle being configured to be connected to the second rotation support. The structure of the rotation driving device of the present disclosure axially fixes the rotatable structure through buckles. Some embodiments of the present disclosure can achieve a quick plug-and-play structure for axial fixation, reduce the difficulty of disassembling and assembling the axially fixed rotatable structure, and save the time cost of disassembling and assembling the axially fixed rotatable structure.

[0050] See Figures 1 to 7 , Figure 1 shows a front view of a rotation driving device 100a according to some embodiments of the present disclosure; Figure 2 shows a perspective view of a rotation support and a buckle according to some embodiments of the present disclosure;

[0051] Figure 3 shows a perspective view of a buckle according to some embodiments of the present disclosure; Figure 4 shows a perspective view of a rotatable structure and a buckle according to some embodiments of the present disclosure; Figure 5 shows a perspective view of a rotatable structure and a buckle according to some embodiments of the present disclosure; Figure 6 shows a cross-sectional view of a first rotation support 2 according to some embodiments of the present disclosure; Figure 7 shows a cross-sectional view of a second rotation support 4a according to some embodiments of the present disclosure.

[0052] As Figure 1 shown, the rotation driving device 100a is used to drive a rotatable structure 1, including: a first rotation support 2, a second rotation support 4a, and a first buckle 3. A first end of the first buckle 3 (for example, Figure 1 the left end of the first buckle 3 in Figure 1The right end of the first buckle 3 (in []) is connected to the first rotating support 2; and a second buckle 5a, the first end of the second buckle 5a (for example, Figure 1 the right end of the second buckle 5a in []) is connected to the rotatable structure 1, and the second end of the second buckle 5a (for example, Figure 1 the left end of the second buckle 5a in []) is connected to the second rotating support 4a.

[0053] Wherein, the rotatable structure 1 can be driven by a rotation driving device to rotate around a preset rotation axis. In some embodiments, the rotatable structure 1 can be a support frame for supporting components that need to rotate. For example, the rotatable structure 1 can be a wiper support frame, which can be used to support the wiper of the lidar cleaning system, or can also support the wiper of the cleaning system for cleaning other components. When the rotatable structure is a support frame, it can adapt to the shape of the object to be supported. When it is a wiper support frame, it can adapt to the shape of the wiper. For example, when the object to be supported / wiper is arc-shaped, the rotatable structure 1 can also have a similar arc shape, and a wiper strip 15 can be installed on the rotatable structure 1. When the object to be supported / wiper is a polygon such as a triangle or a quadrilateral, the rotatable structure 1 can have a similar triangle, quadrilateral, etc.

[0054] In some embodiments, the first buckle 3 and the second buckle 5a can be connected to the rotatable structure 1 by welding, threaded connection, riveting, interference connection, etc.

[0055] Such as Figure 1 、 Figure 2 、 Figure 6 As shown, the first axial end of the first rotating support 2 (for example, Figure 2 、 Figure 6 the left end of the first rotating support 2 in []) is formed with a first mounting hole 21, and the second end of the first buckle 3 is connected to the first mounting hole 21. Wherein, the axial direction refers to the axial direction of the output shaft of the driver.

[0056] Such as Figure 1 、 Figure 2 、 Figure 7 As shown, the first axial end of the second rotating support 4a (for example, Figure 2 、 Figure 7 the right end of the second rotating support 4a in []) is formed with a second mounting hole 41, and the second end of the second buckle 5a is connected to the second mounting hole 41.

[0057] In some embodiments, the second end of the first buckle 3 can be inserted into the first mounting hole 21, and the second end of the second buckle 5a can be inserted into the second mounting hole 41.

[0058] Such as Figure 4 、Figure 5 As shown, the first end portion of the rotatable structure 1 (e.g., Figure 4 the right end portion of the rotatable structure 1 in Figure 4 ) is connected to the first end portion of the first snap 3, and the second end portion of the rotatable structure 1 (e.g.,

[0059] the left end portion of the rotatable structure 1 in

[0060] ) is connected to the first end portion of the second snap 5a.

[0061] One of the first end portion of the rotatable structure 1 and the first end portion of the first snap 3 may include a third mounting hole 11, and the other of the first end portion of the rotatable structure 1 and the first end portion of the first snap 3 may include a first protrusion, and the first protrusion may be inserted into the third mounting hole. One of the second end portion of the rotatable structure 1 and the first end portion of the second snap 5a may include a fourth mounting hole 12, and the other of the second end portion of the rotatable structure 1 and the first end portion of the second snap 5a may include a second protrusion, and the second protrusion may be inserted into the fourth mounting hole 12.

[0062] For example, in some embodiments, the first end portion of the first snap 3 includes the third mounting hole 11, and the first end portion of the rotatable structure 1 includes a first protrusion, and the first protrusion is inserted into the third mounting hole 11.

[0061] In some other embodiments, the first end portion of the rotatable structure 1 may include the third mounting hole 11, and the first end portion of the first snap 3 may include a first protrusion, and the first protrusion may be inserted into the third mounting hole.

[0062] In some embodiments, one of the second end portion of the rotatable structure 1 and the first end portion of the second snap 5a may include a fourth mounting hole 12, and the other of the second end portion of the rotatable structure 1 and the first end portion of the second snap 5a may include a second protrusion, and the second protrusion is inserted into the fourth mounting hole 12.

[0063] For example, in some embodiments, the second end portion of the rotatable structure 1 may include the fourth mounting hole 12, and the first end portion of the second snap 5a may include a second protrusion, and the second protrusion may be inserted into the fourth mounting hole 12.

[0064] In some other embodiments, the first end portion of the second snap 5a may include the fourth mounting hole 12, and the second end portion of the rotatable structure 1 may include a second protrusion, and the second protrusion may be inserted into the fourth mounting hole 12.

[0065] In some embodiments, the first protrusion and the third mounting hole 11 may be connected, for example, by interference fit, welding or threaded fastening, and the sliding of the first protrusion relative to the third mounting hole 11 can be restricted.

[0066] In some embodiments, the second protrusion and the fourth mounting hole 12 can be connected, for example, by interference fit, welding, or threaded fastening, which can limit the sliding of the second protrusion relative to the fourth mounting hole 12.

[0067] See Figures 8 to 9 , Figure 8 shows a cross-sectional view of the first buckle 3 according to some embodiments of the present disclosure; Figure 9 shows a cross-sectional view of the second buckle 5a according to some embodiments of the present disclosure.

[0068] As Figure 3 , Figure 4 , Figure 8 , Figure 9 shown, at least one of the first buckle 3 and the second buckle 5a may include: a bushing, the first end of which is connected to the rotatable structure 1, the bushing including a fifth mounting hole; and a fixed shaft 33, the first part of which is inserted into the fifth mounting hole of the bushing and fixed relative to the fifth mounting hole of the bushing.

[0069] In some embodiments, the first buckle 3 includes a bushing 31 and a fixed shaft 33. The first end of the bushing 31 (for example, Figure 3 the left end of the bushing 31 in Figure 3 ) is connected to the rotatable structure 1, and the bushing 31 includes a fifth mounting hole 311. The first part of the fixed shaft 33 (for example,

[0070] the middle part of the fixed shaft 33 in Figure 3 ) is inserted into the fifth mounting hole 311 of the bushing 31 and fixed relative to the fifth mounting hole 311 of the bushing 31. Figure 3 The second buckle 5a includes a bushing 51 and a fixed shaft 33. The first end of the bushing 51 (for example,

[0071] the right end of the bushing 51 in Figure 3 ) is connected to the rotatable structure 1, and the bushing 51 includes a fifth mounting hole 511. The first part of the fixed shaft 33 (for example, Figure 3 the middle part of the fixed shaft 33 in Figure 3A first snap member 352 is formed at the lower end of the sleeve 35, and the second end of the first snap 3 is snap-connected to the first mounting hole 21 through the first snap member 352. Among them, a sixth mounting hole 351 is formed at the first end of the sleeve 35, threads can be formed in the sixth mounting hole 351, and threads matching the threads are formed at the second part of the fixed shaft 33. The first end of the sleeve 35 and the second part of the fixed shaft 33 are connected by screw engagement. In other embodiments, the sleeve 35 and the fixed shaft 33 can be connected by interference fit or snap fit to replace the connection by screw engagement.

[0072] In other embodiments, the snap member can be formed at the end of the fixed shaft to integrate the sleeve, the bushing and the fixed shaft. Or any two of the components such as the sleeve, the bushing and the fixed shaft can also be integrated. The second end of the second snap 5a can further include a sleeve 35, and the first end of the sleeve 35 (for example, Figure 3 the upper end of the sleeve 35 in [description]) is connected to the second part of the fixed shaft 33. The second end of the sleeve 35 (for example, Figure 8 the lower end of the sleeve 35 in [description]) is formed with a first snap member 352, and the second end of the second snap 5a is snap-connected to the second mounting hole 21 through the first snap member 352. In some embodiments, a sixth mounting hole 351 is formed at the first end of the sleeve 35, threads can be formed in the sixth mounting hole 351, threads matching the threads are formed at the second part of the fixed shaft 33, and the first end of the sleeve 35 and the second part of the fixed shaft 33 are connected by screw engagement. In other embodiments, the sleeve 35 and the fixed shaft 33 can be connected by interference fit or snap fit to replace the connection by screw engagement.

[0073] Threads can be formed on the surface of the first part of the fixed shaft 33, and threads matching the threads of the fixed shaft 33 are formed in the fifth mounting hole 311 of the bushing 31. The fixed shaft 33 and the bushing 31 are fixedly connected by screw engagement.

[0074] The first snap member 352 can include at least one hook. In some embodiments, the first snap member 352 includes 4 hooks, and there are gaps between adjacent hooks. In other embodiments, the first snap member 352 can also include other numbers of hooks. The hooks are made of an elastically deformable material such as plastic. During the process of inserting the first snap member 352 into the second mounting hole 21, the hooks elastically deform and bend inward. After the hooks pass through the second mounting hole 21, the hooks open outward, so that the first snap 3 can be snap-connected to the first rotating support 2, or the second snap 5 can be snap-connected to the second rotating support 4.

[0075] When it is necessary to remove the buckle from the rotary support member 2, the hook is forced to elastically deform and bend inward. After the hook passes through the second mounting hole 21, the hook is pulled out from the second mounting hole 21. Thus, the first buckle 3 can be removed from the first rotary support member 2.

[0076] When it is necessary to remove the buckle from the rotary support member 4, the hook is forced to elastically deform and bend inward. After the hook passes through the second mounting hole 41, the hook is pulled out from the second mounting hole 41. Thus, the second buckle 5 can be removed from the second rotary support member 4.

[0077] In some embodiments, the above-mentioned rotary drive device structure can be, for example, a detachable fixed shaft, a detachable shaft sleeve, a detachable sleeve, and the fixed shaft, the shaft sleeve, and the sleeve can be disassembled as a whole.

[0078] By adopting the above-mentioned rotary drive device structure, some embodiments of the present disclosure can reduce the need for positioning members such as screws, can achieve a quick plug-and-play structure for axial fixation, can reduce the difficulty of disassembling and assembling the axially fixed rotatable structure, and save the disassembly and assembly time cost of the axially fixed rotatable structure.

[0079] In Figures 10 to 14 FIG. shows the rotary drive device 100b of some other embodiments. The differences between the rotary drive device 100b and the rotary drive device 100a will be described below. For the components that are the same in the rotary drive device 100b and the rotary drive device 100a, the same reference numerals are marked and the description is omitted.

[0080] See Figures 10 to 14 , Figure 10 FIG. shows the front view of the rotary drive device 100b according to some other embodiments of the present disclosure; Figure 11 FIG. shows the perspective view of the rotatable structure and the buckle according to some other embodiments of the present disclosure; Figure 12 FIG. shows the perspective view of the second rotary support member 4b according to some other embodiments of the present disclosure; Figure 13 FIG. shows the cross-sectional view of the second rotary support member 4b according to some other embodiments of the present disclosure; Figure 14 FIG. shows the cross-sectional view of the second buckle 5b according to some other embodiments of the present disclosure.

[0081] According to some other embodiments of the present disclosure, the rotary drive device 100b, as Figures 10 to 14 shown, the first end portion of the second rotary support member 4b (for example, Figure 13 the right end portion of the second rotary support member 4b in Figure 14One of the left ends of the second buckle 5b in () is circumferentially formed with a groove 52, and the other of the first end of the second rotating support 4b and the second end of the second buckle 5b includes at least one second buckle member 211, and the second buckle member 211 cooperates with the groove 52.

[0082] For example, in some embodiments, as Figure 13 shown, the second end of the second buckle 5b is circumferentially formed with a groove 52, and the first end of the second rotating support 4b circumferentially includes at least one protrusion as the second buckle member 211. The second buckle member 211 cooperates with the groove 52 and is embedded in the groove 52. Preferably, the first end of the second rotating support 4b includes more than 2 second buckle members 211.

[0083] In other embodiments, the first end of the second rotating support 4b is circumferentially formed with a groove 52, and the second end of the second buckle 5b circumferentially includes at least one protrusion as the second buckle member 211. The second buckle member 211 cooperates with the groove 52 and is embedded in the groove 52.

[0084] By inserting the second end of the second buckle 5b along the axis of the second rotating support 4b into the second end of the second buckle 5b, so that the second buckle member 211 is embedded in the groove 52, some embodiments of the present disclosure do not require positioning members such as screws, can achieve a quick plug-and-play structure for axial fixation, can reduce the difficulty of disassembling and assembling the axially fixed rotatable structure, and save the disassembly and assembly time cost of the axially fixed rotatable structure.

[0085] In some embodiments, the second buckle member 211 can move radially along the second mounting hole 41.

[0086] In some embodiments, the end face of the second buckle member 211 can protrude toward the second mounting hole 41.

[0087] In some embodiments, the end face of the second buckle member 211 can include one or more combinations of a spherical surface, an aspherical surface, and a conical surface. In some embodiments, the end face of the second buckle member 211 is a spherical surface. For example, the second buckle member can be a ball head plunger.

[0088] As Figure 1 、 Figure 10 shown, the rotary drive devices 100a, 100b can include: a driver 6, which has an output shaft, and the axial second end of the first rotating support 2 is connected to the output shaft of the driver. The driver 6 can be, for example, a motor, such as a rotary motor.

[0089] A seventh mounting hole 23 can be formed on the axial end face of the second end of the first rotating support 2, and the output shaft of the driver 6 is inserted into the seventh mounting hole 23 of the first rotating support 2.

[0090] The end of the output shaft of the driver 6 and the seventh mounting hole 23 can limit the sliding of the end of the output shaft of the driver 6 relative to the seventh mounting hole 23.

[0091] For example, the shapes of the end of the output shaft and the seventh mounting hole 23 can be triangular, quadrilateral, pentagonal, star-shaped, D-shaped, etc.

[0092] In some embodiments, the seventh mounting hole 23 may include at least one avoidance portion to facilitate the insertion of the output shaft of the driver 6 into the seventh mounting hole 23.

[0093] The rotary drive device and the output shaft of the driver 6 can also be fixed together by other fixed connection methods, such as bolt connection or snap connection.

[0094] By starting the driver 6, the output shaft of the driver 6 is rotated. When the output shaft of the driver 6 rotates, it drives the first rotary support 2 to rotate. When the first rotary support 2 rotates, it drives the rotatable structure 1 and the second rotary supports 4a, 4b to rotate.

[0095] With the above-mentioned structure of the rotary drive device, in some embodiments of the present disclosure, a quick plug-and-play structure for axial fixation can be achieved without positioning parts such as screws, which can reduce the difficulty of disassembling and assembling the axially fixed rotatable structure and save the time cost of disassembling and assembling the axially fixed rotatable structure.

[0096] According to some other embodiments of the present disclosure, a lidar cleaning system 200 is further provided. The lidar cleaning system 200 may include the above-mentioned rotary drive devices 100a, 100b; a rotatable structure 1; and a wiper strip 15. The wiper strip 15 is mounted on the rotatable structure 1 and is located between the rotatable structure 1 and the lidar cover.

[0097] With the above-mentioned structure of the lidar cleaning system, in some embodiments of the present disclosure, a quick plug-and-play structure for axial fixation can be achieved without positioning parts such as screws, which can reduce the difficulty of disassembling and assembling the axially fixed rotatable structure and save the time cost of disassembling and assembling the axially fixed rotatable structure.

[0098] According to some other embodiments of the present disclosure, a lidar is further provided, and the lidar includes the above-mentioned lidar cleaning system 200. Through the above structure of the lidar, some embodiments of the present disclosure can achieve a quick plug-and-play structure for axial fixation without positioning parts such as screws, which can reduce the difficulty of disassembling and assembling the axially fixed rotatable structure and save the time cost of disassembling and assembling the axially fixed rotatable structure. So far, the rotary drive device, the drive device, and the lidar cleaning system according to the embodiments of the present disclosure have been described. At present, many axially fixed rotatable structures use screw fixation, and tools must be used for replacement during structure replacement. The disassembly and assembly of axially fixed rotatable structures are relatively troublesome, and the replacement cost is relatively high. This problem can be solved through the present disclosure. The present disclosure provides a rotary drive device, a lidar cleaning system, and a lidar, which can achieve a quick plug-and-play structure for axial fixation, reduce the difficulty of disassembling and assembling the axially fixed rotatable structure, and save the time cost of disassembling and assembling the axially fixed rotatable structure.

[0099] It should be understood that the above description is illustrative rather than restrictive. For example, the above embodiments (and / or aspects thereof) can be used in combination with each other. In addition, many modifications can be made without departing from the scope of the present disclosure to adapt a specific situation or material to the teachings of various embodiments of the present disclosure. Although the dimensions and types of the materials described herein are used to define the parameters of various embodiments of the present disclosure, each embodiment is not meant to be restrictive but is an exemplary embodiment. In light of the above description, many other embodiments will be apparent to those skilled in the art. Therefore, the scope of each embodiment of the present disclosure should be determined with reference to the appended claims and the full scope of the equivalent forms claimed thereby.

[0100] Reference Signs

[0101] 1 Rotatable Structure

[0102] 2 First Rotating Support

[0103] 3 First Snap

[0104] 4a, 4b Second Rotating Support

[0105] 5a, 5b Second Snap

[0106] 52 Groove

[0107] 6 Driver

[0108] 11 Third Mounting Hole

[0109] 12 Fourth Mounting Hole

[0110] 15 Wiper Strip

[0111] 21 First Mounting Hole

[0112] 23 Seventh mounting hole

[0113] 31 Bush

[0114] 33 Fixed shaft

[0115] 35 Sleeve

[0116] 41 Second mounting hole

[0117] 51 Bush

[0118] 100a, 100b Rotating drive device

[0119] 200 Lidar cleaning system

[0120] 211 Second buckle

[0121] 311 Fifth mounting hole

[0122] 351 Sixth mounting hole

[0123] 352 First buckle

[0124] 511 Fifth mounting hole.

Claims

1. A rotary drive device for driving a rotatable structure, characterized in that: include: a first rotating support; a second rotating support; A first buckle, a first end of which is configured to be connected to the rotatable structure, and a second end of which is configured to be connected to the first rotating support; as well as A second buckle, wherein a first end of the second buckle is configured to be connected to the rotatable structure, and a second end of the second buckle is configured to be connected to the second rotating support member.

2. The rotary drive device according to claim 1, characterized in that: A first mounting hole is formed at the first axial end of the first rotating support member, and the second end of the first buckle is connected to the first mounting hole. A second mounting hole is formed at the first axial end portion of the second rotation support member, and the second end portion of the second buckle is connected to the second mounting hole.

3. The rotary drive device according to claim 1, characterized in that: The first end of the rotatable structure is connected to the first end of the first buckle, The second end of the rotatable structure is connected to the first end of the second buckle.

4. The rotary drive device according to claim 3, characterized in that: One of the first end of the rotatable structure and the first end of the first buckle comprises a third mounting hole, and the other of the first end of the rotatable structure and the first end of the first buckle comprises a first protrusion, which is inserted into the third mounting hole. One of the second end of the rotatable structure and the first end of the second buckle includes a fourth mounting hole, and the other of the second end of the rotatable structure and the first end of the second buckle includes a second protrusion that is inserted into the fourth mounting hole.

5. The rotary drive device according to claim 4, characterized in that: The first protrusion and the third mounting hole are configured to limit the first protrusion from sliding relative to the third mounting hole; The second protrusion and the fourth mounting hole are configured to restrict the second protrusion from sliding relative to the fourth mounting hole.

6. The rotary drive device according to claim 2, characterized in that: At least one of the first buckle and the second buckle comprises: a sleeve having a first end connected to the rotatable structure, the sleeve comprising a fifth mounting hole; and A fixed shaft, a first portion of which is inserted into the fifth mounting hole of the shaft sleeve and fixed relative to the fifth mounting hole of the shaft sleeve.

7. The rotary drive device according to claim 6, characterized in that: The second end of the first buckle includes a first sleeve, The first end of the first sleeve is connected to the second portion of the fixed shaft; and A first buckle is formed at the second end of the first sleeve, and the second end of the first buckle is buckled with the first mounting hole through the first buckle.

8. The rotary drive device according to claim 6, characterized in that: The second end of the second buckle includes a second sleeve, The first end of the second sleeve is connected to the second portion of the fixed shaft; and A first buckle is formed at the second end of the second sleeve, and the second end of the second buckle is buckled with the second mounting hole through the first buckle.

9. The rotary drive device according to claim 6, characterized in that: A thread is formed on the surface of the first portion of the fixed shaft, and a thread is formed in the fifth mounting hole of the sleeve.

10. The rotary drive device according to claim 7 or 8, characterized in that: The first fastener includes at least one hook.

11. The rotary drive device according to claim 10, characterized in that: The first fastener includes a plurality of hooks, and there are gaps between adjacent hooks.

12. The rotary drive device according to claim 2, characterized in that: A groove is formed in the circumferential direction on one of the first end of the second rotation support and the second end of the second buckle. The other of the first end of the second rotation support and the second end of the second buckle comprises at least one second buckle, The second latch is configured to cooperate with the groove.

13. The rotary drive device according to claim 12, characterized in that: The second locking member is configured to be movable along a radial direction of the second mounting hole.

14. The rotary drive device according to claim 12, characterized in that: An end surface of the second buckle is configured to protrude toward the second mounting hole.

15. The rotary drive device according to claim 14, characterized in that: The end surface of the second buckle is configured to include a combination of one or more of a spherical surface, an aspherical surface, and a conical surface.

16. The rotary drive device according to claim 15, characterized in that: The second locking member is a ball plunger.

17. The rotary drive device according to claim 1, characterized in that: include: a drive having an output shaft, The second axial end portion of the first rotating support is connected to the output shaft of the driver.

18. The rotary drive device according to claim 17, characterized in that: A seventh mounting hole is formed on the axial end surface of the second end portion of the first rotation support member. The output shaft is inserted into the seventh mounting hole of the first rotation support member.

19. The rotary drive device according to claim 18, characterized in that: The end portion of the output shaft and the seventh mounting hole are configured to restrict the end portion of the output shaft from sliding relative to the seventh mounting hole.

20. A laser radar cleaning system, characterized in that: comprising a rotary drive device as claimed in any one of claims 1 to 19; Rotatable structure; as well as A wiper strip is installed on the rotatable structure and is located between the rotatable structure and the housing of the laser radar.

21. A laser radar, characterized in that: Comprising a laser radar cleaning system as described in claim 20.

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