Gear clamping device, gear assembling system and assembling method

Abstract

The invention provides a gear clamping device, a gear assembling system and an assembling method, and relates to the technical field of gears. The gear clamping device comprises a mounting base and at least two clamping mechanisms. The at least two clamping mechanisms are arranged around the first axis, each clamping mechanism comprises a first clamping part and a second clamping part, the first clamping part and the second clamping part of the same clamping mechanism are oppositely arranged in the radial direction of the first axis, and the first clamping part is located on the side, away from the first axis, of the second clamping part; the surface of the side, away from the first axis, of the first clamping part comprises an abutting part, and the abutting parts of the at least two clamping mechanisms are configured to jointly abut against the inner side wall of the same gear ring. The gear clamping device is used for clamping all the gear pieces, on one hand, the gear pieces can be carried, on the other hand, the relative positions of all the gear pieces can be limited, and the assembling efficiency and the assembling precision of the gear pieces can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of gears, in particular to a gear clamping device, a gear assembling system and an assembling method. BACKGROUND

[0002] Gear transmission is a mechanical transmission mode of transmitting power and motion by the meshing of teeth of gears, and the rotation, torque and power of one shaft can be transmitted to another shaft through the meshing of teeth of gears.

[0003] Some gear sets in the related art include multiple gears and a gear ring meshing with the multiple gears, and the assembling efficiency and assembling accuracy of such gear sets are low. SUMMARY

[0004] The present application provides a gear clamping device, a gear assembling system and an assembling method, which can improve the assembling efficiency and assembling accuracy of gear parts.

[0005] In a first aspect, the present application provides a gear clamping device, which includes a mounting seat and at least two clamping mechanisms. The at least two clamping mechanisms are arranged around a first axis and are arranged on the mounting seat. Each clamping mechanism includes a first clamping part and a second clamping part. The first clamping part and the second clamping part of the same clamping mechanism are arranged opposite to each other along the radial direction of the first axis and are configured to clamp a gear part together. The first clamping part is located on the side of the second clamping part away from the first axis. The surface of the side of the first clamping part away from the first axis includes an abutting part. The abutting parts of the at least two clamping mechanisms are configured to abut against the inner side wall of the same gear ring.

[0006] The gear clamping device provided in this application has at least two clamping mechanisms arranged around a first axis. Each clamping mechanism can restrict the position of its corresponding gear component. When each clamping mechanism clamps a corresponding gear component, the gear components are also arranged around the first axis, and the distance between two adjacent gear components along the circumference of the first axis is consistent with the distance between two adjacent clamping mechanisms. That is, the gear clamping device clamps each gear component, enabling both the transport of the gear components and the restriction of their relative positions. Thus, by controlling the relative positions of the clamping mechanisms, the relative positions of the gear components can be controlled, ensuring that the relative positions of the gear components are consistent with their assembled positions. This improves assembly efficiency and accuracy, eliminating the need for personnel to manually adjust the positions of each gear component after transporting them to the assembly position, further enhancing assembly efficiency. Since the positions of each gear component are based on the positions of the clamping mechanisms, they are less affected by subjective factors, resulting in higher positional accuracy. Therefore, the gear clamping device provided in this application can improve the assembly efficiency and accuracy of gear components.

[0007] Furthermore, the gear clamping device provided in this application includes a first clamping part and a second clamping part, which are radially opposite each other along a first axis. On one hand, the first and second clamping parts can jointly clamp the gear component. On the other hand, the surface of the first clamping part away from the first axis includes an abutment portion, and the abutment portions of at least two clamping mechanisms can jointly abut against the inner wall of the same gear ring, enabling the gear clamping device to transport the gear ring. Thus, the gear clamping device can not only transport gear components but also gear rings, making it versatile and adaptable. During gear assembly, no other device for transporting the gear ring is required, which helps reduce costs.

[0008] In some possible implementations of this application, at least two clamping mechanisms are rotatably connected to the mounting base about a first axis.

[0009] In this way, at least two clamping mechanisms can rotate around the first axis and move sequentially to the position of the gear component to be transported, thereby clamping the corresponding gear component and improving the efficiency of the gear clamping device in clamping each gear component. Moreover, after the gear clamping device transports the gear component to the assembly position, during the process of the gear clamping device transporting the gear ring to the assembly position, at least two clamping mechanisms rotate around the first axis, so that the clamping mechanisms can be misaligned with the gear component. The clamping mechanisms are less likely to interfere with the gear component along the direction of the first axis, which helps to reduce the risk of damage to the gear component and also allows the gear ring to be smoothly placed in the assembly position and mesh with the gear component.

[0010] In some possible implementation manners of the present application, the abutting portion extends around the first axis, and a middle portion of the abutting portion along the extension direction is convex outward.

[0011] By extending the abutting portion around the first axis and making the middle portion of the abutting portion along the extension direction convex outward, the shape of the abutting portion is more matched with the shape of the inner side wall of the gear ring, which is beneficial to making the contact area of the abutting portion and the inner side wall of the gear ring larger and the contact more close, and is beneficial to improving the stability of the gear clamping device in carrying the gear ring, and the gear ring is not prone to shaking relative to the gear clamping device.

[0012] In some possible implementation manners of the present application, the gear clamping device further comprises a mounting portion, the mounting portion is arranged on the mounting base, and the second clamping portion is arranged on the mounting portion. The first clamping portion is in sliding connection with the mounting portion along the arrangement direction of the first clamping portion and the corresponding second clamping portion.

[0013] By making the first clamping portion in sliding connection with the mounting portion along the arrangement direction of the first clamping portion and the corresponding second clamping portion, the distance between the abutting portion and the first axis is adjustable, so that the first clamping portion can more easily move to the position in contact with the inner side wall of the gear ring. The first clamping portion can first move in the direction close to the first axis, so that the first clamping portion can conveniently move into the gear ring along the direction of the first axis. The first clamping portion is not prone to interfering with the gear ring in the process of moving into the gear ring along the direction of the first axis. Then, the first clamping portion can move in the direction away from the first axis to make the first clamping portion contact the inner side wall of the gear ring, thereby achieving the carrying of the gear ring. It can be understood that the sliding connection between the first clamping portion and the mounting portion makes the contact force between the first clamping portion and the inner side wall of the gear ring adjustable. The contact force can be freely adjusted by a person, so that the contact force is not too large to reduce the deformation of the gear ring, and the contact force is not too small to improve the stability of the carrying. Moreover, the sliding connection between the first clamping portion and the mounting portion makes the gear clamping device adapt to the carrying of gear rings with various inner diameters, and the adaptability of the gear clamping device is stronger.

[0014] In some possible implementation manners of the present application, the gear clamping device further comprises a mounting portion, the mounting portion is arranged on the mounting base, and the second clamping portion is arranged on the mounting portion. The first clamping portion is in sliding connection with the mounting portion along the arrangement direction of the first clamping portion and the corresponding second clamping portion.

[0015] In this way, the at least two second clamping portions are arranged on the outer side wall of the mounting portion, and the at least two second clamping portions are relatively fixed and form an integral structure, so that the at least two second clamping portions are more convenient to manufacture and have lower cost. By making the at least two first clamping portions movably arranged on the mounting portion, the mounting of the first clamping portion is more convenient and has lower cost.

[0016] In some possible implementation manners of the present application, the surface of the first clamping part near the side of the second clamping part is concave, and the first limiting groove is formed in the surface, and the first limiting groove penetrates the first clamping part along the direction of the first axis.

[0017] By forming the first limiting groove in the surface of the first clamping part near the side of the second clamping part, and making the first limiting groove penetrate the first clamping part along the direction of the first axis, the surface of the first clamping part near the side of the second clamping part is highly matched with the shape of the outer contour of the gear part, and the gear part can be stably embedded in the first limiting groove, so that the gear part is not easy to shake during the carrying process, and the carrying stability is high.

[0018] In some possible implementation manners of the present application, the surface of the second clamping part near the side of the first clamping part is concave, and the second limiting groove is formed in the surface, and the second limiting groove penetrates the second clamping part along the direction of the first axis.

[0019] By forming the second limiting groove in the surface of the second clamping part near the side of the first clamping part, and making the second limiting groove penetrate the second clamping part along the direction of the first axis, the surface of the second clamping part near the side of the first clamping part is highly matched with the shape of the outer contour of the gear part, and the gear part can be stably embedded in the second limiting groove, so that the gear part is not easy to shake during the carrying process, and the carrying stability is high.

[0020] In some possible implementation manners of the present application, the surface of the first clamping part near the side of the second clamping part is concave, and the first limiting groove is formed in the surface, and the first limiting groove penetrates the first clamping part along the direction of the first axis.

[0021] In this way, the at least two first engaging teeth can be engaged with the respective tooth grooves of the gear part respectively, so that the contact area of the first clamping part and the gear part is increased, and along the width direction of the tooth groove, the first engaging teeth and the tooth groove can also limit each other, so that the stability of the contact between the first clamping part and the gear part is high, so that the gear part is not easy to shake during the carrying process, and the carrying stability is high. Moreover, the first engaging teeth and the tooth groove are engaged, which can realize accurate positioning of the gear part, and is beneficial to improving the relative position accuracy of each gear part, thereby improving the assembly accuracy.

[0022] In some possible implementation manners of the present application, the surface of the second clamping part near the side of the first clamping part is concave, and the second limiting groove is formed in the surface, and the second limiting groove penetrates the second clamping part along the direction of the first axis.

[0023] In this way, the at least two second engagement teeth can be engaged with the respective tooth grooves of the gear member respectively, so that the contact area between the second clamping part and the gear member is increased, and the second engagement teeth and the tooth grooves can be limited to each other along the width direction of the tooth groove, so that the stability of the contact between the second clamping part and the gear member is higher, so that the gear member is not easy to shake during the carrying process, and the stability of the carrying is higher. Moreover, the second engagement teeth and the tooth groove are engaged, which can realize accurate positioning of the gear member, which is beneficial to improve the relative position accuracy of each gear member, thereby improving the assembly accuracy.

[0024] In a second aspect, the application provides a gear assembly system, which comprises a rack, a placing tool and the gear clamping device provided in the first aspect of the application. The placing tool is configured to place gear members and gear rings, and the gear clamping device is movably arranged on the rack and is configured to be capable of moving to the placing tool or moving away from the placing tool.

[0025] The gear assembly system provided by the application comprises the gear clamping device provided in the first aspect of the application, which can achieve the same technical effect, i.e., can improve the assembly efficiency and assembly accuracy of the gear members, and also makes the gear clamping device not only capable of carrying the gear members, but also capable of carrying the gear rings, so that the gear clamping device has more purposes and stronger adaptability. During the assembly of the gear members, other devices for carrying the gear rings are not required, which is beneficial to reduce the cost. The gear clamping device is configured to be capable of moving to the placing tool or moving away from the placing tool.

[0026] In a third aspect, the application provides a gear assembly method applied to the gear assembly system provided in the second aspect of the application, which comprises the following steps. controlling the at least two clamping mechanisms to clamp the at least two gear members respectively, wherein the gear members are arranged in one-to-one correspondence with the clamping mechanisms; controlling the gear clamping device to transport the at least two gear members to the placing tool; controlling the abutting parts of the at least two clamping mechanisms to abut against the inner side wall of the same gear ring; controlling the gear clamping device to transport the gear ring to the placing tool.

[0027] The gear assembly method provided by the application is applied to the gear assembly system provided in the second aspect of the application, which can achieve the same technical effect, i.e., can improve the assembly efficiency and assembly accuracy of the gear members, and also makes the gear clamping device not only capable of carrying the gear members, but also capable of carrying the gear rings, so that the gear clamping device has more purposes and stronger adaptability. During the assembly of the gear members, other devices for carrying the gear rings are not required, which is beneficial to reduce the cost.

[0028] In some possible implementation manners of the present application, after the control gear clamping device transports the at least two gear pieces to the placing tool, before the control gear clamping device transports the gear ring to the placing tool, the gear assembling method further comprises: The control gear clamping device controls the at least two clamping mechanisms to rotate synchronously around the first axis relative to the mounting base, so that the clamping mechanisms are staggered with the gear pieces.

[0029] By controlling the at least two clamping mechanisms to rotate synchronously around the first axis relative to the mounting base, the clamping mechanisms carrying the gear ring are staggered with the gear pieces during the movement of the clamping mechanisms along the direction of the first axis to approach the gear pieces, so that the clamping mechanisms are not easy to interfere with the gear pieces along the direction of the first axis, which is beneficial to reduce the risk of damage to the gear pieces, and also makes the gear ring can be placed smoothly at the placing tool to engage with the gear pieces. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0031] Figure 1 is a structural schematic diagram of a gear assembling system in some embodiments of the present application; Figure 2 is an exploded view of a gear assembling system in some embodiments of the present application; Figure 3 is a structural schematic diagram of a clamping mechanism clamping a gear piece in some embodiments of the present application; Figure 4 is a structural schematic diagram of a clamping mechanism carrying a gear ring in some embodiments of the present application; Figure 5 is an exploded view of a clamping mechanism clamping a gear piece in some embodiments of the present application; Figure 6 is a structural schematic diagram of a clamping mechanism located on the upper side of a placing tool in some embodiments of the present application; Figure 7 is a structural schematic diagram of a gear piece located on a placing tool in some embodiments of the present application; Figure 8 is one of flowcharts of a gear assembling method in some embodiments of the present application; Figure 9 is another flowchart of a gear assembling method in some embodiments of the present application; Figure 10 is a third flowchart of a gear assembling method in some embodiments of the present application; Figure 11 Figure 4 is a flowchart of a fourth method of assembling a gear assembly in some embodiments of the present application.

[0032] Explanation of reference signs: 01, gear part; 02, mounting part; 03, ring gear; 1, mounting seat; 2, clamping mechanism; 21, first clamping part; 211, abutting part; 212, first limiting groove; 213, first meshing tooth; 22, second clamping part; 221, second limiting groove; 222, second meshing tooth; 23, connecting part; 3, mounting part; 31, rotating shaft; 4, placement tool. DETAILED DESCRIPTION

[0033] The technical solutions in the present application will be described in detail below with reference to the drawings.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application.

[0035] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. Those skilled in the art will recognize that the embodiments described herein can be combined with one another.

[0036] Hereinafter, the terms "first", "second", etc. are used only for the purpose of description and should not be understood as implying or suggesting relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features.

[0037] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0038] Some gear sets in the related art include a plurality of gears and a ring gear meshing with the plurality of gears, and the assembly efficiency and assembly accuracy of such gear sets are both low.

[0039] The reasons why the assembly efficiency and the assembly accuracy of the gear set in the related art are low are analyzed as follows: In the related art, in the gear assembly process, each gear part needs to be carried to the position to be assembled first, and then the positions of each gear part are adjusted one by one, so that the relative positions of each gear part meet the requirements, the assembly efficiency is low, and moreover, the relative positions of each gear part have no clear reference, and are greatly affected by subjectivity, so that the position accuracy of each gear part is low.

[0040] Please refer to Figure 1 , Figure 2 and Figure 3 , the gear clamping device provided in the embodiments of the present application includes a mounting seat 1 and at least two clamping mechanisms 2. The at least two clamping mechanisms 2 are arranged on the mounting seat 1, and the at least two clamping mechanisms 2 are arranged around a first axis. The clamping mechanism 2 includes a first clamping part 21 and a second clamping part 22. The first clamping part 21 and the second clamping part 22 of the same clamping mechanism 2 are arranged opposite to each other along the radial direction of the first axis, and are configured to jointly clamp a gear part 01. The first clamping part 21 is located on the side of the second clamping part 22 away from the first axis. Please refer to Figure 4 , the surface of the side of the first clamping part 21 away from the first axis includes an abutting part 211. The abutting parts 211 of the at least two clamping mechanisms 2 are configured to jointly abut against the inner side wall of the same gear ring 03.

[0041] The gear clamping device provided in the embodiments of the present application, the at least two clamping mechanisms 2 are arranged around the first axis, the clamping mechanism 2 can limit the position of the corresponding gear part 01, and when each clamping mechanism 2 clamps the corresponding gear part 01, each gear part 01 is also arranged around the first axis, and the spacing between the adjacent two gear parts 01 along the circumferential direction of the first axis is consistent with the spacing between the adjacent two clamping mechanisms 2, that is, the gear clamping device clamps each gear part 01, which can realize the carrying of the gear part 01 and the limiting of the relative positions of each gear part 01. In this way, by controlling the relative positions of each clamping mechanism 2, the relative positions of each gear part 01 can be controlled, so that when the gear clamping device clamps each gear part 01, the relative positions of each gear part 01 are consistent with the positions of the gear part 01 after assembly, which can improve the assembly efficiency and the assembly accuracy of the gear part 01. Personnel do not need to carry each gear part 01 to the position to be assembled and then adjust the position of each gear part 01 one by one, which is beneficial to improving the assembly efficiency. The position of each gear part 01 is based on the position of each clamping mechanism 2, and is less affected by subjectivity, so that the position accuracy of each gear part 01 is high. Therefore, the gear clamping device provided in the embodiments of the present application can improve the assembly efficiency and the assembly accuracy of the gear part 01.

[0042] Moreover, please refer toFigure 4 The gear clamping device provided by the embodiment of the present application, the clamping mechanism 2 comprises a first clamping part 21 and a second clamping part 22, the first clamping part 21 and the second clamping part 22 are arranged opposite along the radial direction of the first axis, on the one hand, the first clamping part 21 and the second clamping part 22 can jointly clamp the gear part 01, on the other hand, the surface of the side of the first clamping part 21 away from the first axis comprises an abutting part 211, the abutting parts 211 of the at least two clamping mechanisms 2 can jointly abut against the inner side wall of the same gear ring 03, so that the gear clamping device can realize the carrying of the gear ring 03, in this way, the gear clamping device can not only carry the gear part 01, but also can be used for carrying the gear ring 03, the purpose of the gear clamping device is more, and the adaptability is stronger. In the process of assembling the gear part 01, other devices for carrying the gear ring 03 do not need to be arranged, which is favorable for reducing the cost.

[0043] Please refer to Figure 2 , Figure 3 and Figure 4 In the embodiment of the present application, the direction of the first axis can have various implementation forms, for example, can be a vertical direction or a horizontal direction.

[0044] Please refer to Figure 2 , Figure 3 and Figure 4 In the embodiment of the present application, the gear part 01 is a structure comprising a gear, the gear part 01 can refer to a gear, or can refer to a structure having a gear, such as a gear shaft.

[0045] Please refer to Figure 2 , Figure 3 and Figure 4 In the embodiment of the present application, each gear part 01 is used for engaging with the gear ring 03 to form a gear set, in the gear set formed by the engagement of the gear part 01 and the gear ring 03, each gear part 01 is arranged inside the gear ring 03, the axis of each gear part 01 is parallel to the axis of the gear ring 03, and each gear part 01 is arranged around the axis of the gear ring 03.

[0046] Please refer to Figure 2 , Figure 3 and Figure 4In some embodiments of the present application, the abutting portions 211 of the at least two clamping mechanisms 2 are configured to abut the inner side wall of the same gear ring 03, and the axis of the gear ring 03 can be the same as the first axis. In this way, the stability during the process of carrying the gear ring 03 can be improved.

[0047] Please refer to Figure 2 、 Figure 3 and Figure 4 In some embodiments of the present application, the at least two clamping mechanisms 2 can also be arranged at non-uniform intervals around the first axis. Among the at least two clamping mechanisms 2, along any radial direction of the first axis, some clamping mechanisms 2 are located on one side of the first axis, and the other clamping mechanisms 2 are located on the other side of the first axis.

[0048] Please refer to Figure 2 、 Figure 3 and Figure 4 In some embodiments of the present application, the abutting portions 211 of the at least two clamping mechanisms 2 are configured to abut the inner side wall of the same gear ring 03, and the axis of the gear ring 03 can be the same as the first axis. In this way, the stability during the process of carrying the gear ring 03 can be improved.

[0049] Please refer to Figure 2 、 Figure 3 and Figure 4 In some embodiments of the present application, the at least two clamping mechanisms 2 are rotatably connected to the mounting base 1 around the first axis. In this way, the at least two clamping mechanisms 2 can rotate around the first axis and move to the position of the gear piece 01 to be carried in sequence, so as to clamp the corresponding gear piece 01, which can improve the efficiency of the gear clamping device in clamping each gear piece 01. Moreover, after the gear clamping device carries the gear piece 01 to the assembly position, during the process of carrying the gear ring 03 to the assembly position, the at least two clamping mechanisms 2 rotate around the first axis, so that the clamping mechanisms 2 can be staggered with the gear piece 01, and the clamping mechanisms 2 are less likely to interfere with the gear piece 01 along the direction of the first axis, which can reduce the risk of damage to the gear piece 01 and also make the gear ring 03 can be placed smoothly in the assembly position and engaged with the gear piece 01.

[0050] Please refer to Figure 2 , Figure 3 and Figure 4 , of course, in some embodiments of the application, at least two clamping mechanisms 2 can also be fixedly connected with the mounting seat 1. In this way, the connection between the clamping mechanism 2 and the mounting seat 1 is more stable.

[0051] Please refer to Figure 2 , Figure 3 and Figure 4 , in some embodiments of the application, the abutting portion 211 extends around the first axis, and the middle portion of the abutting portion 211 along the extension direction is convex outward. By extending the abutting portion 211 around the first axis, the middle portion of the abutting portion 211 along the extension direction is convex outward, so that the matching degree of the shape of the abutting portion 211 and the shape of the inner side wall of the gear ring 03 is higher, which is beneficial to make the contact area between the abutting portion 211 and the inner side wall of the gear ring 03 larger and the contact more closely, and is beneficial to improve the stability of the gear clamping device during carrying the gear ring 03, and the gear ring 03 is not easy to shake relative to the gear clamping device.

[0052] Please refer to Figure 2 , Figure 3 and Figure 4 , in some embodiments of the application, the abutting portion 211 is configured as an arc-shaped abutting portion 211 extending around the first axis. In this way, it is beneficial to make the matching degree of the shape of the abutting portion 211 and the shape of the inner side wall of the gear ring 03 higher, and it is beneficial to make the contact area between the abutting portion 211 and the inner side wall of the gear ring 03 larger and the contact more closely.

[0053] Please refer to Figure 2 , Figure 3 and Figure 4 , in some embodiments of the application, the middle portion of the abutting portion 211 along the extension direction is convex outward along the arrangement direction of the first clamping portion 21 and the corresponding second clamping portion 22. In this way, it is beneficial to make the matching degree of the shape of the abutting portion 211 and the shape of the inner side wall of the gear ring 03 higher.

[0054] Please refer to Figure 2 , Figure 3 and Figure 4 , in the embodiments of the application, the surface of the first clamping portion 21 away from the first axis is the abutting portion 211, or a part of the surface of the first clamping portion 21 away from the first axis is the abutting portion 211. In some embodiments of the application, the abutting portion 211 extends around the first axis, and along the extension direction of the abutting portion 211, the abutting portion 211 is located in the middle portion of the first clamping portion 21. In this way, along the extension direction of the abutting portion 211, the middle portion of the first clamping portion 21 bears a larger force, and the edge bears a smaller force, so that the first clamping portion 21 is not easy to be skewed.

[0055] Please refer to Figure 2 , Figure 3 and Figure 4 In some embodiments of the present application, the gear clamping device further comprises a mounting portion 3, the mounting portion 3 is arranged on the mounting base 1, the second clamping portion 22 is arranged on the mounting portion 3, and the first clamping portion 21 and the mounting portion 3 are slidingly connected along the arrangement direction of the first clamping portion 21 and the corresponding second clamping portion 22.

[0056] By slidingly connecting the first clamping portion 21 and the mounting portion 3 along the arrangement direction of the first clamping portion 21 and the corresponding second clamping portion 22, the spacing between the abutting portion 211 and the first axis is adjustable, so that the first clamping portion 21 can more easily move to a position in contact with the inner side wall of the gear ring 03. The first clamping portion 21 can first move in the direction close to the first axis, so that the first clamping portion 21 can conveniently move along the direction of the first axis into the gear ring 03, and the first clamping portion 21 is not easy to interfere with the gear ring 03 during the movement of the first clamping portion 21 along the direction of the first axis into the gear ring 03. Then, the first clamping portion 21 can move in the direction away from the first axis to make the first clamping portion 21 contact with the inner side wall of the gear ring 03, thereby achieving the carrying of the gear ring 03. It can be understood that the sliding connection of the first clamping portion 21 and the mounting portion 3 makes the contact force of the first clamping portion 21 and the inner side wall of the gear ring 03 adjustable, and the personnel can freely adjust the contact force, so that the contact force is not too large to reduce the deformation of the gear ring 03, and the contact force is not too small to improve the stability of the carrying. Moreover, the sliding connection of the first clamping portion 21 and the mounting portion 3 makes the gear clamping device can adapt to the carrying of gear rings 03 with various inner diameters, and the adaptability of the gear clamping device is stronger.

[0057] Please refer to Figure 2 , Figure 3 and Figure 4 In some embodiments of the present application, the mounting portion 3 can be rotatably connected with the mounting base 1 around the first axis. In this way, each clamping mechanism 2 is rotatably connected with the mounting base 1 through the mounting portion 3, and the rotatable connection of the clamping mechanism 2 and the base is more conveniently realized. In some embodiments of the present application, the mounting portion 3 can be rotatably connected with the mounting base 1 through a rotating shaft 31, and the axis of the rotating shaft 31 is the same as the first axis. In this way, the rotatable connection of the mounting portion 3 and the mounting base 1 is more convenient to realize.

[0058] Please refer to Figure 2 , Figure 3 and Figure 4In the embodiments of the present application, the second clamping part 22 is arranged on the mounting part 3, and can have various implementation forms. For example, the second clamping part 22 can be fixedly connected with the mounting part 3, and the fixed connection can be one-piece forming, fastener connection or welding, etc. Alternatively, the second clamping part 22 can be slidingly connected with the mounting part 3, and the relative sliding direction of the second clamping part 22 and the mounting part 3 is parallel to the arrangement direction of the second clamping part 22 and the corresponding first clamping part 21. Alternatively, the second clamping part 22 can be rotatably connected with the mounting part 3, and the relative rotation axis of the second clamping part 22 and the mounting part 3, the arrangement direction of the second clamping part 22 and the corresponding first clamping part 21, and the first axis are perpendicular to each other in pairs.

[0059] Please refer to Figure 2 , Figure 3 and Figure 4 In some embodiments of the present application, during the clamping of the gear part 01 by the clamping mechanism 2, the second clamping part 22 can first abut against the gear part 01 to preliminarily position the gear part 01, and then the first clamping part 21 can move towards the second clamping part 22 to secondarily position the gear part 01, so that the first clamping part 21 and the second clamping part 22 jointly clamp the gear part 01.

[0060] Please refer to Figure 2 , Figure 3 and Figure 4 In some embodiments of the present application, the gear clamping device further comprises a mounting part 3 arranged on the mounting seat 1, and the at least two second clamping parts 22 are arranged on the outer side wall of the mounting part 3, and the at least two first clamping parts 21 are movably arranged on the mounting part 3.

[0061] In this way, the at least two second clamping parts 22 are arranged on the outer side wall of the mounting part 3, and the at least two second clamping parts 22 are fixed relative to the mounting part 3 to form an integral structure, so that the at least two second clamping parts 22 are convenient to manufacture and have low cost. By movably arranging the at least two first clamping parts 21 on the mounting part 3, the mounting of the first clamping part 21 is convenient and has low cost.

[0062] Please refer to Figure 2 , Figure 5 and Figure 2 In some embodiments of the present application, the first axis is parallel to the vertical direction, and the mounting seat 1 can be arranged directly above or below the mounting part 3. In this way, the mounting seat 1 is not easy to interfere with the clamping mechanism 2.

[0063] Please refer to Figure 5 , Figure 2 and Figure 5In some embodiments of the present application, the at least two second clamping portions 22 are arranged on the outer side wall of the mounting portion 3, and the second clamping portion 22 extends along the arrangement direction of the second clamping portion 22 and the corresponding first clamping portion 21. The clamping mechanism 2 further comprises a connecting portion 23. Along the direction of the first axis, the first clamping portion 21 and the second clamping portion 22 are arranged on the same side of the connecting portion 23. For example, the first axis is parallel to the vertical direction, and the first clamping portion 21 and the second clamping portion 22 can be arranged on the lower side of the connecting portion 23. One end of the connecting portion 23 is fixedly connected with the first clamping portion 21, and the other end is slidably connected with the second clamping portion 22. In this way, the first clamping portion 21 is slidably connected with the second clamping portion 22 through the connecting portion 23, and is slidably connected with the mounting portion 3. The sliding connection between the first clamping portion 21 and the mounting portion 3 is relatively easy to achieve.

[0064] Please refer to Figure 2 and Figure 5 In some embodiments of the present application, the surface of the side of the first clamping portion 21 close to the second clamping portion 22 is concave, and a first limiting groove 212 is formed therein. The first limiting groove 212 penetrates the first clamping portion 21 along the direction of the first axis.

[0065] By forming the first limiting groove 212 on the surface of the side of the first clamping portion 21 close to the second clamping portion 22, and making the first limiting groove 212 penetrate the first clamping portion 21 along the direction of the first axis, the surface of the side of the first clamping portion 21 close to the second clamping portion 22 has a relatively high degree of matching with the shape of the outer contour of the gear piece 01. The gear piece 01 can be stably embedded in the first limiting groove 212, so that the gear piece 01 is not easy to shake during the carrying process, and the stability of the carrying is relatively high.

[0066] Please refer to Figure 2 and Figure 5 In some embodiments of the present application, the first clamping portion 21 is concave along the arrangement direction of the first clamping portion 21 and the corresponding second clamping portion 22, and a first limiting groove 212 is formed therein. In this way, it is beneficial to make the shape of the first limiting groove 212 have a relatively high degree of matching with the shape of the outer contour of the gear piece 01.

[0067] Please refer to Figure 2 and Figure 5 In some embodiments of the present application, along a direction perpendicular to the first axis and perpendicular to the arrangement direction of the first clamping portion 21 and the corresponding second clamping portion 22, the first limiting groove 212 is located in the middle of the corresponding first clamping portion 21. In this way, the middle of the first clamping portion 21 bears a relatively large force, and the edges bear a relatively small force, so that the first clamping portion 21 is not easy to be skewed.

[0068] Please refer to Figure 2 and Figure 5In some embodiments of the present application, the first limiting groove 212 is aligned with the abutting portion 211 along the arrangement direction of the first clamping portion 21 and the corresponding second clamping portion 22. It can be understood that the abutting portion 211 is convex outward away from the first axis, and the first limiting groove 212 is concave inward in the direction away from the first axis, so that the first limiting groove 212 is aligned with the abutting portion 211, and the shapes of the surfaces on the opposite sides of the first clamping portion 21 are consistent along the arrangement direction of the first clamping portion 21 and the corresponding second clamping portion 22, facilitating the processing and manufacturing of the first clamping portion 21.

[0069] Please refer to Figure 2 and Figure 5 In some embodiments of the present application, the surface of the second clamping portion 22 on the side close to the first clamping portion 21 is concave, and a second limiting groove 221 is formed therein, and the second limiting groove 221 penetrates the second clamping portion 22 along the direction of the first axis.

[0070] By forming the surface of the second clamping portion 22 on the side close to the first clamping portion 21 with the second limiting groove 221, and making the second limiting groove 221 penetrate the second clamping portion 22 along the direction of the first axis, the surface of the second clamping portion 22 on the side close to the first clamping portion 21 is highly matched with the shape of the outer contour of the gear piece 01, and the gear piece 01 can be stably embedded in the second limiting groove 221, so that the gear piece 01 is not easy to shake during the carrying process, and the stability of the carrying is high.

[0071] Please refer to Figure 2 and Figure 5 In some embodiments of the present application, the second clamping portion 22 is concave along the arrangement direction of the first clamping portion 21 and the corresponding second clamping portion 22, and the second limiting groove 221 is formed therein. In this way, it is beneficial to make the shape of the second limiting groove 221 highly matched with the shape of the outer contour of the gear piece 01.

[0072] Please refer to Figure 2 and Figure 5 In some embodiments of the present application, the first limiting groove 212 and the second limiting groove 221 are oppositely arranged along the radial direction of the first axis. In this way, the first clamping portion 21 and the second clamping portion 22 can stably clamp the gear piece 01.

[0073] Please refer to Figure 2 and Figure 5 In some embodiments of the present application, the surface of the first clamping portion 21 on the side close to the second clamping portion 22 is formed with at least two first engaging teeth 213, and the arrangement direction of the at least two first engaging teeth 213, the arrangement direction of the first clamping portion 21 and the second clamping portion 22, and the first axis are perpendicular to each other.

[0074] In this way, the at least two first engagement teeth 213 can be engaged with the respective tooth grooves of the gear piece 01 respectively, so that the contact area between the first clamping portion 21 and the gear piece 01 is increased, and the first engagement teeth 213 and the tooth grooves can be limited to each other along the width direction of the tooth groove, so that the stability of the contact between the first clamping portion 21 and the gear piece 01 is higher, so that the gear piece 01 is not easy to shake during the carrying process, and the stability of the carrying is higher. Moreover, the first engagement teeth 213 are engaged with the tooth groove, which can realize accurate positioning of the gear piece 01, which is beneficial to improve the relative position accuracy of each gear piece 01, thereby improving the assembly accuracy.

[0075] Please refer to Figure 2 and Figure 6 In some embodiments of the present application, the first engagement teeth 213 are formed on the bottom surface of the first limiting groove 212. In this way, the first limiting groove 212 is not only used for limiting the gear piece 01, but also used for arranging the first engagement teeth 213, and the space in the first limiting groove 212 is fully utilized, which is beneficial to improve the compactness of the structure.

[0076] Please refer to Figure 7 and Figure 2 In some embodiments of the present application, the surface of the second clamping portion 22 near one side of the first clamping portion 21 is formed with at least two second engagement teeth 222, and the arrangement direction of the at least two second engagement teeth 222, the arrangement direction of the first clamping portion 21 and the second clamping portion 22, and the first axis are perpendicular to each other.

[0077] In this way, the at least two second engagement teeth 222 can be engaged with the respective tooth grooves of the gear piece 01 respectively, so that the contact area between the second clamping portion 22 and the gear piece 01 is increased, and the second engagement teeth 222 and the tooth grooves can be limited to each other along the width direction of the tooth groove, so that the stability of the contact between the second clamping portion 22 and the gear piece 01 is higher, so that the gear piece 01 is not easy to shake during the carrying process, and the stability of the carrying is higher. Moreover, the second engagement teeth 222 are engaged with the tooth groove, which can realize accurate positioning of the gear piece 01, which is beneficial to improve the relative position accuracy of each gear piece 01, thereby improving the assembly accuracy.

[0078] Please refer to Figure 6 and Figure 7 In some embodiments of the present application, the second engagement teeth 222 are formed on the bottom surface of the second limiting groove 221. In this way, the second limiting groove 221 is not only used for limiting the gear piece 01, but also used for arranging the second engagement teeth 222, and the space in the second limiting groove 221 is fully utilized, which is beneficial to improve the compactness of the structure.

[0079] Please refer to Figure 2 and Figure 6In some embodiments of the present application, the first engaging tooth 213 and the second engaging tooth 222 are arranged in radial opposition along the first axis. In this way, the first clamping portion 21 and the second clamping portion 22 can firmly clamp the gear piece 01.

[0080] Please refer to Figure 7 and Figure 2 In some embodiments of the present application, during the clamping of the gear piece 01 by the clamping mechanism 2, the second engaging tooth 222 can be first engaged with the gear slot to preliminarily position the gear piece 01, and then the first clamping portion 21 can be moved towards the second clamping portion 22 to engage the first engaging tooth 213 with the gear slot to secondarily position the gear piece 01, so that the first clamping portion 21 and the second clamping portion 22 jointly clamp the gear piece 01.

[0081] Please refer to Figure 6 , Figure 7 and Figure 2 The present application also provides a gear assembly system, which comprises a rack, a placing tool 4 and the gear clamping device provided in the embodiments of the present application. The placing tool 4 is configured to place the gear piece 01 and the gear ring 03, and the gear clamping device is movably arranged on the rack and is configured to be able to move to or away from the placing tool 4.

[0082] The gear assembly system provided in the embodiments of the present application comprises the gear clamping device provided in the embodiments of the present application, which can achieve the same technical effects, i.e. can improve the assembly efficiency and assembly accuracy of the gear piece 01, and also makes the gear clamping device not only capable of carrying the gear piece 01 but also capable of carrying the gear ring 03, so that the gear clamping device has more uses and is more adaptable. During the assembly of the gear piece 01, no other device for carrying the gear ring 03 is needed, which is conducive to reducing the cost. The gear clamping device is configured to be able to move to or away from the placing tool 4.

[0083] Please refer to Figure 4 , Figure 2 and Figure 4 It can be understood that, in the embodiments of the present application, the rack is relatively fixed with the placing tool 4, and the gear clamping device is movably arranged on the rack, i.e. the mounting seat 1 is movably arranged on the rack, and the gear clamping device can move relative to the rack, so that the gear clamping device can move to or away from the placing tool 4. When the gear clamping device moves to the placing tool 4, the gear piece 01 or the gear ring 03 can be transported to the placing tool 4.

[0084] Please refer to Figure 8 , Figure 2 and Figure 4In some embodiments of the present application, the placing tool 4 can also be used to place other mounting pieces 02 used in cooperation with the gear piece 01, the mounting piece 02 has a mounting hole, and the gear clamping device can place the gear shaft at the mounting piece 02, and the shaft part of the gear shaft cooperates with the mounting hole. The mounting piece 02 can also have a mounting shaft, and the gear clamping device can place the gear shaft at the mounting piece 02, and the central hole of the gear piece 01 cooperates with the mounting shaft.

[0085] Please refer to Figure 2 , Figure 4 and Figure 9 In some embodiments of the present application, the first axis is parallel to the vertical direction, and the gear assembly system further comprises a movable piece, the movable piece is slidingly connected with the rack in the horizontal direction, and the mounting seat 1 is slidingly connected with the movable piece in the vertical direction. The movable piece can be moved relative to the rack in the horizontal direction to the placing tool 4 first, so that the clamping mechanism 2 is located directly above the placing tool 4, and then the mounting seat 1 is moved downward relative to the movable piece in the vertical direction, so that the clamping mechanism 2 places the gear piece 01 or the gear ring 03 at the corresponding position of the placing tool 4, and the gear ring 03 or the gear piece 01 cooperates with other structures. The movable piece can also be moved to the storage place first, so that the clamping mechanism 2 is located directly above the storage place where the gear piece 01 or the gear ring 03 is stored, and then the mounting seat 1 is moved downward relative to the movable piece in the vertical direction, so that the clamping mechanism 2 contacts and clamps the gear piece 01 or the gear ring 03 at the storage place, and then the mounting seat 1 is moved upward relative to the movable piece in the vertical direction, and is moved to the directly above the storage place again, and then the movable piece is moved relative to the base in the horizontal direction, so that the clamping mechanism 2 carries the gear piece 01 or the gear ring 03 to the placing tool 4.

[0086] Please refer to Figure 2 and Figure 4 The present application also provides a gear assembly method, which is applied to the gear assembly system provided by the present application, and the gear assembly method comprises the following steps: controlling at least two clamping mechanisms 2 to clamp at least two gear pieces 01 respectively, the gear piece 01 and the clamping mechanism 2 are one-to-one correspondingly arranged; controlling the gear clamping device to convey the at least two gear pieces 01 to the placing tool 4; controlling the abutting parts 211 of the at least two clamping mechanisms 2 to jointly abut against the inner side wall of the same gear ring 03; controlling the gear clamping device to convey the gear ring 03 to the placing tool 4.

[0087] The gear assembling method provided by the embodiment of the present application can be applied to the gear assembling system provided by the embodiment of the present application, and can achieve the same technical effects, that is, can improve the assembling efficiency and assembling accuracy of the gear part 01, and also makes the gear clamping device not only be able to carry the gear part 01, but also be able to carry the gear ring 03, so that the gear clamping device has more uses and stronger adaptability. In the process of assembling the gear part 01, other devices for carrying the gear ring 03 do not need to be arranged, which is beneficial to reduce the cost.

[0088] It should be explained that, in the embodiment of the present application, when the clamping mechanism 2 clamps the gear part 01, the axis of the gear part 01 is parallel to the first axis. In some embodiments of the present application, the arrangement direction of the first clamping part 21 and the corresponding second clamping part 22 can be consistent with the arrangement direction of the axis of the gear part 01 clamped by the first clamping part 21 and the second clamping part 22 and the first axis, which is beneficial to improve the stability of clamping. The arrangement direction of the axis of the gear part 01 and the first axis is perpendicular to the axis of the gear part 01 and the first axis, and intersects with the axis of the gear part 01 and the first axis.

[0089] Please refer to Figure 10 and Figure 11 In some embodiments of the present application, the gear clamping device can first convey the gear part 01 to the placing tool 4, and then convey the gear ring 03 to the placing tool 4, so that each gear part 01 is engaged with the gear ring 03. Please refer to ​ The gear assembling method comprises: S101, control at least two clamping mechanisms 2 to clamp at least two gear parts 01 respectively, the gear part 01 is arranged one by one with the clamping mechanism 2; S102, control the gear clamping device to convey at least two gear parts 01 to the placing tool 4; S103, control the gear clamping device to loosen the gear part 01; S104, control the gear clamping device to move away from the placing tool 4; S105, control the abutting parts 211 of the at least two clamping mechanisms 2 to jointly abut against the inner side wall of the same gear ring 03; S106, control the gear clamping device to convey the gear ring 03 to the placing tool 4.

[0090] Please refer to ​ and ​It can be understood that, in the embodiments of the present application, after step S101, the relative positions of the gear pieces 01 remain unchanged, and the gear pieces 01 can synchronously rotate around the first axis, but the interval between each adjacent two gear pieces 01 remains unchanged along the circumference of the first axis. After the gear clamping device delivers the at least two gear pieces 01 to the placing tool 4, the relative positions of the gear pieces 01 remain unchanged, which is consistent with the case where the gear clamping device clamps the gear pieces 01.

[0091] Please refer to ​ and ​ In some embodiments of the present application, the gear clamping device can also deliver the gear ring 03 to the placing tool 4 first, and then deliver the gear pieces 01 to the placing tool 4, so that each gear piece 01 meshes with the gear ring 03. Please refer to ​ The gear assembling method comprises: S201, controlling the abutting portions 211 of the at least two clamping mechanisms 2 to jointly abut against the inner side wall of the same gear ring 03; S202, controlling the gear clamping device to deliver the gear ring 03 to the placing tool 4.

[0092] S203, controlling the gear clamping device to release the gear ring 03; S204, controlling the gear clamping device to move away from the placing tool 4; S205, controlling the at least two clamping mechanisms 2 to clamp the at least two gear pieces 01 respectively, and the gear pieces 01 are arranged in one-to-one correspondence with the clamping mechanisms 2; S206, controlling the gear clamping device to deliver the at least two gear pieces 01 to the placing tool 4.

[0093] It can be understood that, in the embodiments of the present application, after step S205, the relative positions of the gear pieces 01 remain unchanged, and the gear pieces 01 can synchronously rotate around the first axis, but the interval between each adjacent two gear pieces 01 remains unchanged along the circumference of the first axis. After the gear clamping device delivers the at least two gear pieces 01 to the placing tool 4, the relative positions of the gear pieces 01 remain unchanged, which is consistent with the case where the gear clamping device clamps the gear pieces 01.

[0094] Please refer to ​ and ​ In some embodiments of the present application, after controlling the gear clamping device to deliver the at least two gear pieces 01 to the placing tool 4, and before controlling the gear clamping device to deliver the gear ring 03 to the placing tool 4, the gear assembling method further comprises: Controlling the at least two clamping mechanisms 2 to synchronously rotate around the first axis relative to the mounting seat 1, so that the clamping mechanisms 2 are staggered with the gear pieces 01.

[0095] Please refer to ​In some embodiments of the present application, the gear assembly method can include: S301, control the at least two clamping mechanisms 2 to clamp the at least two gear pieces 01 respectively, and the gear pieces 01 are arranged one by one with the clamping mechanisms 2; S302, control the gear clamping device to deliver the at least two gear pieces 01 to the placement tool 4; S303, control the gear clamping device to release the gear pieces 01; S304, control the gear clamping device to move away from the placement tool 4; S305, control the abutting portions 211 of the at least two clamping mechanisms 2 to abut the inner side wall of the same gear ring 03; S306, control the at least two clamping mechanisms 2 to rotate synchronously around the first axis relative to the mounting seat 1, so that the clamping mechanisms 2 are staggered with the gear pieces 01; S307, control the gear clamping device to deliver the gear ring 03 to the placement tool 4.

[0096] Please refer to ​ In some embodiments of the present application, the gear assembly method can include: S401, control the at least two clamping mechanisms 2 to clamp the at least two gear pieces 01 respectively, and the gear pieces 01 are arranged one by one with the clamping mechanisms 2; S402, control the gear clamping device to deliver the at least two gear pieces 01 to the placement tool 4; S403, control the gear clamping device to release the gear pieces 01; S404, control the gear clamping device to move away from the placement tool 4; S405, control the at least two clamping mechanisms 2 to rotate synchronously around the first axis relative to the mounting seat 1, so that the clamping mechanisms 2 are staggered with the gear pieces 01; S406, control the abutting portions 211 of the at least two clamping mechanisms 2 to abut the inner side wall of the same gear ring 03; S407, control the gear clamping device to deliver the gear ring 03 to the placement tool 4.

[0097] By controlling the at least two clamping mechanisms 2 to rotate synchronously around the first axis relative to the mounting seat 1, the clamping mechanisms 2 carrying the gear ring 03 are staggered with the gear pieces 01 during the movement of the clamping mechanisms 2 along the direction of the first axis to approach the gear pieces 01, so that the clamping mechanisms 2 are not easy to interfere with the gear pieces 01 along the direction of the first axis, which is beneficial to reduce the risk of damage to the gear pieces 01, and also makes the gear ring 03 can be placed smoothly at the placement tool 4 and engaged with the gear pieces 01.

[0098] The above embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the present application. In particular, as long as there is no structural conflict, each technical feature mentioned in each embodiment can be combined in any way.

Claims

1. A gear clamping device characterized by, The mounting seat (1) comprises: At least two clamping mechanisms (2) are arranged on the mounting seat (1), and the at least two clamping mechanisms (2) are arranged around a first axis. The clamping mechanism (2) comprises a first clamping part (21) and a second clamping part (22). The first clamping part (21) and the second clamping part (22) of the same clamping mechanism (2) are arranged in a radial direction of the first axis and are configured to jointly clamp a gear part (01). The first clamping part (21) is located on a side of the second clamping part (22) away from the first axis. A surface of the first clamping part (21) away from the first axis comprises an abutting part (211). The abutting parts (211) of the at least two clamping mechanisms (2) are configured to jointly abut an inner side wall of the same gear ring (03). The at least two clamping mechanisms (2) are rotationally connected to the mounting seat (1) around the first axis.

2. The gear clamping device of claim 1, wherein The abutting part (211) extends around the first axis, and a middle part of the abutting part (211) in the extending direction is convex outward.

3. The gear clamping device of claim 1, wherein The mounting seat (1) further comprises a mounting part (3). The second clamping part (22) is arranged on the mounting part (3). In the arrangement direction of the first clamping part (21) and the corresponding second clamping part (22), the first clamping part (21) is slidingly connected to the mounting part (3).

4. The gear clamping device of claim 1, wherein The mounting seat (1) further comprises a mounting part (3). The second clamping part (22) is arranged on the outer side wall of the mounting part (3). The first clamping part (21) is movably arranged on the mounting part (3).

5. The gear clamping device of claim 1, wherein A surface of the first clamping part (21) on a side close to the second clamping part (22) is concave, and a first limiting groove (212) is formed in the surface. The first limiting groove (212) penetrates the first clamping part (21) in the direction of the first axis.

6. The gear clamping device of claim 1, wherein And / or, a surface of the second clamping part (22) on a side close to the first clamping part (21) is concave, and a second limiting groove (221) is formed in the surface. The second limiting groove (221) penetrates the second clamping part (22) in the direction of the first axis. A surface of the first clamping part (21) on a side close to the second clamping part (22) is concave, and a first limiting groove (212) is formed in the surface. The first limiting groove (212) penetrates the first clamping part (21) in the direction of the first axis.

7. The gear clamping device according to any one of claims 1 to 6, characterized in that And / or, a surface of the second clamping part (22) on a side close to the first clamping part (21) is concave, and a second limiting groove (221) is formed in the surface. The second limiting groove (221) penetrates the second clamping part (22) in the direction of the first axis. The mounting seat (1) comprises:

8. A gear assembly system characterized by, A rack; A placing tool (4) configured to place a gear part (01) and a gear ring (03); ​ The gear clamping device according to any one of claims 1 to 7 is movably arranged on the rack and is configured to be capable of moving to or away from the placing tool (4).

9. A gear assembly method applied to the gear assembly system of claim 8, characterized by, The method comprises: controlling the at least two clamping mechanisms (2) to clamp the at least two gear pieces (01) respectively, wherein the gear pieces (01) are arranged one by one with the clamping mechanisms (2); controlling the gear clamping device to deliver the at least two gear pieces (01) to the placing tool (4); controlling the abutting portions (211) of the at least two clamping mechanisms (2) to abut against the inner side wall of the same gear ring (03) together; controlling the gear clamping device to deliver the gear ring (03) to the placing tool (4).

10. The gear assembly method of claim 9, wherein, After the step of controlling the gear clamping device to deliver the at least two gear pieces (01) to the placing tool (4) and before the step of controlling the gear clamping device to deliver the gear ring (03) to the placing tool (4), the gear assembling method further comprises: controlling the at least two clamping mechanisms (2) to synchronously rotate around the first axis relative to the mounting seat (1), so that the clamping mechanisms (2) are staggered with the gear pieces (01).

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