Drive shaft assembly device

Abstract

The present application relates to the technical field of automotive tooling, and discloses a drive shaft assembly device. The assembly device includes a support assembly, an abutting assembly, and a receiving seat body; the support assembly has a support end; the abutting assembly is connected to the support assembly, the abutting assembly has an actuating end, and the actuating end is away from the support assembly; the receiving seat body is connected to the support assembly and / or the abutting assembly, the receiving seat body has an assembly shaft hole, and the assembly shaft hole is located between the support end and the actuating end for at least receiving the end of the drive shaft; wherein, a part of the abutting assembly is located in the axial direction of the assembly shaft hole and is adapted to abut against the end of the drive shaft located in the assembly shaft hole. The drive shaft assembly device provided by the present application can make the assembly of the drive shaft more accurate and efficient.

Description

Technical Field

[0001] This application relates to the technical field of automotive tooling, and particularly to a drive shaft assembly device. Background Art

[0002] An automotive drive shaft refers to the shaft that connects the transmission reducer and the drive wheels to transmit torque, also known as the drive shaft or half shaft. Taking a front-engine and front-wheel-drive vehicle as an example, the left and right front wheels of the vehicle are each connected to the transmission reducer through a drive shaft. The precise assembly between the drive shaft and the reducer is crucial for the normal use of the vehicle.

[0003] In the related art, the automotive drive shaft is mainly assembled manually. During assembly, first insert one end of the drive shaft adapted to the reducer into the drive shaft mounting hole of the reducer, and then push the drive shaft forcefully to make it snap into the mating position inside the reducer.

[0004] However, manual assembly has low efficiency and it is difficult to ensure assembly accuracy, which easily causes risks such as damage and tearing of the drive shaft oil seal. Summary of the Invention

[0005] In view of this, the embodiments of this application provide a drive shaft assembly device that can improve the assembly efficiency of the drive shaft. Specifically, the following technical solutions are included:

[0006] This application provides a drive shaft assembly device, which includes a support assembly, an abutting assembly, and a receiving seat body;

[0007] The support assembly has a support end;

[0008] The abutting assembly is connected to the support assembly. The abutting assembly has an actuating end, and the actuating end is far from the support assembly;

[0009] The receiving seat body is connected to the support assembly and / or the abutting assembly. The receiving seat body has an assembly shaft hole, and the assembly shaft hole is located between the support end and the actuating end for at least receiving the end of the drive shaft;

[0010] Wherein, a part of the abutting assembly is located in the axial direction of the assembly shaft hole and is adapted to abut against the end of the drive shaft located in the assembly shaft hole.

[0011] Optionally, the abutting assembly includes a frame portion and an abutting portion. The frame portion surrounds the receiving seat body along the circumferential direction of the assembly shaft hole;

[0012] The abutting portion is connected to the opposite side walls of the frame portion, and the abutting portion is used to abut against the end of the drive shaft.

[0013] Optionally, at least a part of the accommodation seat body is located inside the frame body part, and the frame body part is connected to or abuts against the outer wall of the accommodation seat body.

[0014] Optionally, the support assembly includes a connecting portion and a supporting portion;

[0015] The connecting portion is vertically connected to the abutting assembly;

[0016] The supporting portion is connected to a side of the connecting portion away from the abutting assembly, and the supporting end is an end of the supporting portion away from the connecting portion;

[0017] The accommodation seat body is seated on the surface of the connecting portion facing away from the supporting portion.

[0018] Optionally, the accommodation seat body and the connecting portion are detachably connected, and / or the abutting assembly and the connecting portion are detachably connected.

[0019] Optionally, at least one of a first through hole and a second through hole is provided on the connecting portion, and a connecting member;

[0020] A third through hole is provided on the accommodation seat body, and the connecting portion and the accommodation seat body are tightly connected by a connecting member passing through the first through hole and the third through hole;

[0021] and / or,

[0022] A fourth through hole is provided on the frame body part, and the connecting portion and the frame body part are tightly connected by another connecting member passing through the second through hole and the fourth through hole.

[0023] Optionally, the accommodation seat body includes a first sub-seat body and a second sub-seat body, the first sub-seat body and the second sub-seat body are arranged in sequence along the axial direction of the assembly shaft hole, and the first sub-seat body is farther away from the abutting assembly than the second sub-seat body;

[0024] The assembly shaft hole includes a first sub-shaft hole and a second sub-shaft hole, the first sub-shaft hole is opened on the first sub-seat body, the second sub-shaft hole is opened on the second sub-seat body, and the first sub-shaft hole and the second sub-shaft hole communicate with each other;

[0025] The distance from the first end of the first sub-shaft hole to the connecting portion is equal to the distance from the second end of the first sub-shaft hole to the connecting portion, and the distance from the first end of the second sub-shaft hole to the connecting portion is less than the distance from the second end of the second sub-shaft hole to the connecting portion;

[0026] Wherein, the first end is an end of the abutting portion away from the abutting assembly, and the second end is opposite to the first end.

[0027] Optionally, the supporting part includes a mounting cylinder and a supporting plate;

[0028] The mounting cylinder has an open end and a closed end which are oppositely arranged. The open end is located at one end of the mounting cylinder away from the connecting part, and the closed end is connected to the connecting part;

[0029] Two adjacent sides of the supporting plate are respectively connected to the cylinder wall of the mounting cylinder and the connecting part.

[0030] Optionally, the supporting plate is a triangular plate;

[0031] The vertex angle of the triangular plate is connected to the edge of the connecting part, and the bottom edge of the triangular plate is connected to the cylinder wall of the mounting cylinder.

[0032] Optionally, it is arranged on the first edge of the mounting cylinder close to the connecting part;

[0033] The number of the triangular plates is two, and the bottom edges of the two triangular plates are respectively connected to the opposite sides of the cylinder wall of the mounting cylinder;

[0034] The vertex angles of the two triangular plates are respectively connected to the two ends of the second edge of the connecting part, and the second edge is opposite to the first edge.

[0035] The transmission shaft assembly device provided by the embodiment of the present application includes a support assembly, an abutting assembly and a receiving seat body. The support assembly and the abutting assembly are connected to each other, and the receiving seat body is connected to the support assembly and / or the abutting assembly. When the assembly device provided by the embodiment of the present application is used, the support end can be fixed at a suitable position as a fulcrum. One end of the transmission shaft is pre-inserted into the mounting hole of the reducer, and the other end is placed in the assembly shaft hole of the receiving seat body and abuts against the abutting assembly. The assembly personnel can make the abutting assembly rotate around the support end by pushing the actuating end of the abutting assembly, and push the transmission shaft to move in, so as to be inserted in place in the mounting hole of the reducer. Among them, the part of the abutting assembly that abuts against the end of the transmission shaft is located between the support end and the actuating end. Therefore, the corresponding force arm length of this part is less than the force arm length corresponding to the actuating end operated by the assembly personnel, so it is more labor-saving during assembly and the assembly efficiency is improved. Description of the Drawings

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained according to these drawings.

[0037] Figure 1 It is a schematic structural diagram of a transmission shaft assembly device provided by an embodiment of the present application;

[0038] Figure 2 is a schematic structural diagram of a transmission shaft provided by an embodiment of the present application;

[0039] Figure 3 is Figure 1 a schematic structural diagram of another perspective of the shown assembling device;

[0040] Figure 4 is Figure 3 a schematic structural diagram of yet another perspective of the shown assembling device;

[0041] Figure 5 is an assembling schematic diagram of the abutting component and the accommodating seat body provided by an embodiment of the present application;

[0042] Figure 6 is a schematic structural diagram of the supporting component provided by an embodiment of the present application;

[0043] Figure 7 is a sectional structural diagram of the supporting component and the accommodating seat body provided by an embodiment of the present application.

[0044] Reference numerals:

[0045] 1, supporting component; 11, supporting end; 12, connecting portion; 121, first through hole; 122, second through hole; 123, connecting member; 13, supporting portion; 131, mounting cylinder; 1311, open end; 1312, closed end; 1313, observation opening; 132, supporting plate;

[0046] 2, abutting component; 21, actuating end; 22, frame portion; 221, fourth through hole; 23, abutting portion;

[0047] 3, accommodating seat body; 31, assembling shaft hole; 311, first sub-shaft hole; 312, second sub-shaft hole; 32, third through hole; 33, first sub-seat body; 34, second sub-seat body;

[0048] 100, transmission shaft; 101, main shaft; 102, first end; 103, second end; 104, first universal joint; 105, second universal joint. Detailed implementation manners

[0049] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present application. To make the technical solutions and advantages of the present application clearer, the transmission shaft assembling device, etc. will be described in detail below in conjunction with the drawings.

[0050] As Figure 1 and Figure 2 shown, an embodiment of the present application provides a drive shaft assembly device, which includes a support assembly 1, an abutting assembly 2, and a receiving seat body 3. The support assembly 1 has a support end 11. The abutting assembly 2 is connected to the support assembly 1, and the abutting assembly 2 has an actuating end 21, and the actuating end 21 is away from the support assembly 1. The receiving seat body 3 is connected to the support assembly 1 and / or the abutting assembly 2, and the receiving seat body 3 has an assembly shaft hole 31, and the assembly shaft hole 31 is located between the support end 11 and the actuating end 21, and is used to receive at least the end of the drive shaft 100. Wherein, a part of the abutting assembly 2 is located in the axial direction of the assembly shaft hole 31, and is adapted to abut against the end of the drive shaft 100 located in the assembly shaft hole 31.

[0051] The drive shaft assembly device provided by the embodiment of the present application includes a support assembly 1, an abutting assembly 2, and a receiving seat body 3. The support assembly 1 and the abutting assembly 2 are connected to each other, and the receiving seat body 3 is connected to the support assembly 1 and / or the abutting assembly 2. Wherein, the support assembly 1 has a support end 11, which plays a role in supporting and positioning; the receiving seat body 3 has an assembly shaft hole 31, which can receive the end of the drive shaft 100; the abutting assembly 2 has an actuating end 21, which is used to actuate the drive shaft 100 located in the assembly shaft hole 31. When the assembly device provided by the embodiment of the present application is in use, the support end 11 can be fixed at a suitable position as a fulcrum. One end of the drive shaft 100 is pre-inserted into the installation hole of the reducer, and the other end is placed in the assembly shaft hole 31 of the receiving seat body 3 and abuts against the abutting assembly 2. The assembler can push the actuating end 21 of the abutting assembly 2 to make the abutting assembly 2 rotate around the support end and push the drive shaft 100 to move in, so as to be inserted in place in the installation hole of the reducer. Wherein, since the part of the abutting assembly 2 in the present application that abuts against the end of the drive shaft 100 is located between the support end 11 and the actuating end 21, the corresponding lever arm length of this part is less than the lever arm length corresponding to the actuating end 21, so it is more labor-saving during assembly and the assembly efficiency is improved.

[0052] Figure 1 shows a drive shaft assembly device provided by an embodiment of the present application, Figure 2 shows a drive shaft 100. In an embodiment of the present application, as Figure 1 and Figure 2As shown, when the drive shaft assembly device is used for the assembly of the drive shaft 100, it can be preliminarily positioned according to parameters such as the model and length of the drive shaft 100. Exemplarily, for a certain model of drive shaft 100, the support end 11 of the support assembly 1 of the drive shaft assembly device can be first connected to the ball pin on the side of the control arm of the vehicle suspension close to the wheel. At this time, the connection between the support end 11 and the ball pin can be regarded as a fulcrum. Then, one end of the drive shaft 100 used for cooperation with the transmission reducer is preliminarily inserted into the drive shaft mounting hole on the transmission reducer. Next, the other end of the drive shaft 100 is placed in the assembly shaft hole 31 of the receiving seat body 3, and the assembly device is rotated around the fulcrum to adjust its position until the axis of the drive shaft 100 coincides with the axis of the drive shaft mounting hole on the reducer, and the end of the drive shaft 100 abuts against the abutting assembly 2. After that, the assembly worker forcefully pushes the actuating end 21 of the abutting assembly 2 in the direction of the transmission reducer, so that the drive shaft 100 is further inserted into the drive shaft mounting hole on the transmission reducer under the thrust of the abutting assembly 2 until the drive shaft 100 is inserted in place, thus completing the assembly of the drive shaft 100 and the transmission reducer.

[0053] As Figure 2 shown, the drive shaft 100 is a structure with an irregular shape, certain length and weight. To avoid its movement during the assembly with the drive shaft mounting hole on the transmission reducer, resulting in assembly errors and causing assembly failure, the embodiment of the present application preliminarily positions and fixes the drive shaft 100 through the assembly shaft hole 31.

[0054] As Figure 1 shown, the receiving seat body 3 has an assembly shaft hole 31 for accommodating at least the end of the drive shaft 100, that is, at least a part of the end of the drive shaft 100 can be accommodated in the assembly shaft hole 31 to realize the positioning and fixing of the end of the drive shaft 100 by the assembly shaft hole 31. It should be noted that in the embodiment of the present application, the assembly shaft hole 31 refers to a structure that can accommodate the drive shaft 100 and allow it to pass through. Generally speaking, the assembly shaft hole 31 needs to have two relatively arranged orifices to facilitate the drive shaft 100 to pass through these two orifices. However, the embodiment of the present application does not limit the specific shape of the assembly shaft hole 31. For example, it can be a circumferentially closed hole shape or an open groove shape. Figure 3 The groove-shaped assembly shaft hole 31 shown in [reference] is more convenient for the installation and detachment of the drive shaft 100 compared with the hole shape.

[0055] In some embodiments, as Figure 2As shown, universal joints are provided at both ends of the transmission shaft 100. Correspondingly, the shape of the fitting shaft hole 31 on the housing body 3 can conform to the shape of the universal joint on the transmission shaft 100 for fitting with the mounting hole on the wheel, and at least a part of the universal joint is adapted to be received in the fitting shaft hole 31 of the housing body 3.

[0056] It should be noted that when using the assembly device provided by the embodiment of the present application, since the position of the assembly device can be adjusted to align the axis of the transmission shaft 100, the axis of the fitting shaft hole 31, and the axis of the transmission shaft mounting hole on the transmission and reduction gear, it is possible to avoid the deviation of the transmission shaft 100 relative to the transmission shaft mounting hole on the transmission and reduction gear during the assembly process, thereby improving the assembly accuracy and effectively avoiding risks such as oil seal breakage and tearing caused by excessive assembly error of the transmission shaft.

[0057] To make the technical solutions and advantages of the present application clearer, the following will Figure 2-6 respectively introduce and illustrate in detail the structures of the support assembly 1, the abutting assembly 2, and the housing body 3 provided by the embodiments of the present application with reference to the attached

[0058] In some embodiments, as Figure 3 shown, the abutting assembly 2 may include a frame portion 22 and an abutting portion 23. The frame portion 22 can surround the housing body 3 along the circumferential direction of the fitting shaft hole 31; the abutting portion 23 can be connected to the opposite side walls of the frame portion 22 and is used to abut against the end of the transmission shaft 100.

[0059] In the embodiment of the present application, surrounding the housing body 3 along the circumferential direction means that the frame portion 22 of the abutting assembly 2 includes a portion extending along the circumferential direction of the fitting shaft hole 31, and this portion is arranged around the housing body 3. Among them, the side of this portion close to the housing body 3 can be connected to or abutted against the housing body 3, or can be not in contact with the housing body 3.

[0060] The abutting portion 23 is connected to the opposite side walls of the frame portion 22, where the opposite side walls of the frame portion 22 are respectively located on the opposite sides of the housing body 3. As Figure 3 shown, exemplarily, one end of the frame portion 22 is connected to the housing body 3, and the other end of the frame portion 22 is connected to the abutting portion 23, so that the abutting portion 23 is located on the side of the frame portion 22 away from the housing body 3. When assembling the transmission shaft 100, the frame portion 22 is located on the side of the housing body 3 away from the transmission and reduction gear.

[0061] In some embodiments of the present application, as Figure 3As shown, the actuating end 21 of the abutting component 2 is located on the housing part 22, and the connection between the housing part 22 and the abutting part 23 is a rigid connection, so that when the transmission shaft 100 is pushed, this connection can have sufficient structural strength and stiffness to transmit the acting force. Optionally, the above connection method includes at least one of bolt connection and welding.

[0062] In the embodiment of the present application, since the housing part 22 is arranged around and connected to the accommodating seat body 3, the housing part 22 will be separately enclosed in the circumferential direction of the accommodating seat body 3, or cooperate with the support component 1 to enclose an open annular space. Optionally, as Figure 3 shown, at least a part of the accommodating seat body 3 is located inside the housing part 22, and the housing part 22 is connected to or abuts against the outer wall of the accommodating seat body 3.

[0063] In the embodiment of the present application, the inside of the housing part 22 refers to the inside of this open annular space. When the housing part 22 is connected to or abuts against the accommodating seat body 3, the transmission shaft 100 assembled in the assembly shaft hole 31 of the accommodating seat body 3 will extend into this annular space, so that the housing part 22 can play a safety protection role to a certain extent, effectively preventing safety accidents caused by the accidental detachment of the transmission shaft 100 from the accommodating seat body 3 under the action of pressure.

[0064] In some embodiments, as Figure 3 shown, when the assembly shaft hole 31 is in a groove shape, the housing part 22 is spaced from the accommodating seat body 3 in the opening direction of the assembly shaft hole 31 to facilitate the assembly of the transmission shaft 100 in the assembly shaft hole 31. It should be noted that the opening direction of the assembly shaft hole 31 refers to the opening direction of the groove opening, rather than the opening direction of the two orifices for being penetrated by the transmission shaft 100. For example, in Figure 3 , the opening direction of this groove opening is upward.

[0065] As Figure 5 shown, in some embodiments of the present application, the housing part 22 is connected to the accommodating seat body 3, so that the accommodating seat body 3 is more stable and not prone to displacement during the process of assembling the transmission shaft 100, ensuring the assembly accuracy.

[0066] In some embodiments, as Figure 3 and Figure 4 shown, the support component 1 includes a connecting part 12 and a supporting part 13; the connecting part 12 is vertically connected to the abutting component 2; the supporting part 13 is connected to the side of the connecting part 12 away from the abutting component 2, and the supporting end 11 is the end of the supporting part 13 away from the connecting part 12; the accommodating seat body 3 is seated on the surface of the connecting part 12 facing away from the supporting part 13.

[0067] In the embodiment of the present application, the connecting portion 12 is the part of the supporting assembly 1 for connecting with the abutting assembly 2 and the accommodating seat body 3. Among them, the abutting assembly 2 is vertically connected to the connecting portion 12 as a whole. Taking Figure 3 the direction shown as an example, the abutting assembly 2 extends along the vertical direction as a whole, and the connecting portion 12 extends along the horizontal direction as a whole, and the two are vertically connected.

[0068] Among them, the connection between the abutting assembly 2 and the connecting portion 12 can be a detachable connection or a non-detachable connection. Exemplarily, the abutting assembly 2 and the connecting portion 12 are connected by bolts, or the abutting assembly 2 and the connecting portion 12 are welded. Among them, when the connection between the abutting assembly 2 and the connecting portion 12 is a detachable connection, the connection position of the abutting assembly 2 on the connecting portion 12 can be adjusted according to needs, or the abutting assembly 2 with different sizes, types, and materials can be replaced to be connected with the connecting portion 12, so that the transmission shaft assembly device is adapted to the installation of different transmission shafts 100, and thus the transmission shaft assembly device has better expandability.

[0069] For the accommodating seat body 3 with a grooved assembly shaft hole 31 as Figure 3 shown, the accommodating seat body 3 is seated on the connecting portion 12, which means that the bottom of the accommodating seat body 3 is connected to the connecting portion 12. The bottom refers to the part close to the bottom wall of the groove and far from the groove opening, and the bottom wall of the groove is opposite to the groove opening, so as to ensure that the transmission shaft 100 can be smoothly inserted and pass through the two orifices through the assembly shaft hole 31.

[0070] For the accommodating seat body 3 with a hole-shaped assembly shaft hole 31, the accommodating seat body 3 is seated on the connecting portion 12, which means that one outer wall of the accommodating seat body 3 is connected to the connecting portion 12, but this outer wall cannot be the side where the two orifices of the assembly shaft hole 31 are located, so as to ensure that the transmission shaft 100 can be smoothly inserted and penetrate through the assembly shaft hole 31.

[0071] The connection between the accommodating seat body 3 and the connecting portion 12 can be a detachable connection or a non-detachable connection. Exemplarily, the accommodating seat body 3 and the connecting portion 12 are connected by bolts, or the accommodating seat body 3 and the connecting portion 12 are welded. Among them, when the connection between the accommodating seat body 3 and the connecting portion 12 is a detachable connection, the connection position of the accommodating seat body 3 on the connecting portion 12 can be adjusted according to needs, or the accommodating seat body 3 with different sizes, types, and materials can be replaced to be connected with the connecting portion 12, so that the transmission shaft assembly device is adapted to the installation of different transmission shafts 100, and thus the transmission shaft assembly device has better expandability.

[0072] In this embodiment, as Figure 3As shown, both the abutting component 2 and the accommodating seat body 3 are connected to the same side of the connecting portion 12 of the supporting component 1. Therefore, when the end of the transmission shaft 100 is positioned in the accommodating seat body 3, the end of the transmission shaft 100 close to the abutting component 2 can abut well against the abutting component 2, facilitating subsequent assembly operations.

[0073] The supporting portion 13 is the part of the supporting component 1 that acts as a fulcrum and plays a supporting role. The supporting end 11 of the supporting component 1 can be located on the side of the connecting portion 12 away from the abutting component 2 and the accommodating seat body 3, so that when the transmission shaft 100 is pushed in the direction of the gearbox reducer by the actuating end 21 of the abutting component 2, the lever arm is longer and it is more labor-saving.

[0074] In some embodiments, the abutting component 2 can be connected to the connecting portion 12 through the frame portion 22. As Figure 4 and Figure 5 shown, at least one of the first through hole 121 and the second through hole 122, as well as the connecting member 123, can be provided on the connecting portion 12; a third through hole 32 can be provided on the accommodating seat body 3, and the connecting portion 12 and the accommodating seat body 3 can be fixedly connected through the connecting member 123 passing through the first through hole 121 and the third through hole 32; and / or, a fourth through hole 221 can be provided on the frame portion 22, and the connecting portion 12 and the frame portion 22 can be fixedly connected through another connecting member 123 passing through the second through hole 122 and the fourth through hole 221.

[0075] In the embodiment of the present application, a first through hole 121 can be provided on the connecting portion 12, and a third through hole 32 corresponding to the first through hole 121 can be provided on the accommodating seat body 3. The accommodating seat body 3 can be fixedly connected to the connecting portion 12 by passing the connecting member 123 through the first through hole 121 and the third through hole 32. Exemplarily, the connecting member 123 can be a bolt and a nut, or can be a screw.

[0076] As Figure 4 and Figure 5 shown, a second through hole 122 can be provided on the connecting portion 12, and a fourth through hole 221 corresponding to the second through hole 122 can be provided on the frame portion 22. The frame portion 22 can be fixedly connected to the connecting portion 12 by passing the connecting member 123 through the second through hole 122 and the fourth through hole 221.

[0077] In some embodiments, a plurality of first through holes 121 and a plurality of second through holes 122, as well as a plurality of connecting members 123, can be provided on the connecting portion 12. At the same time, a plurality of third through holes 32 corresponding to the first through holes 121 can be provided on the accommodating seat body 3; a plurality of fourth through holes 221 corresponding to the second through holes 122 can be provided on the frame portion 22.

[0078] In this case, the accommodation seat body 3 can be connected to the first through holes 121 at different positions on the connecting portion 12 through the connecting member 123 passing through the third through hole 32, so as to be fixed at different positions on the connecting portion 12 to adapt to different models of the transmission shaft 100. Similarly, the frame body portion 22 can also be connected to the second through holes 122 at different positions on the connecting portion 12 through the connecting member 123 passing through the fourth through hole 221, so as to be fixed at different positions on the connecting portion 12 to adapt to different models of the transmission shaft 100. Moreover, the rigidity of the connection between the accommodation seat body 3 and the frame body portion 22 and the connecting portion 12 is relatively good, without affecting the abutment between the abutting portion 23 connected to the frame body portion 22 and the transmission shaft 100, as well as the assembly of the transmission shaft 100.

[0079] In some embodiments, as Figure 3 shown, the accommodation seat body 3 may include a first sub-seat body 33 and a second sub-seat body 34. The first sub-seat body 33 and the second sub-seat body 34 are arranged in sequence along the axial direction of the assembly shaft hole 31, and the first sub-seat body 33 is farther from the abutting assembly 2 than the second sub-seat body 34; the assembly shaft hole 31 includes a first sub-shaft hole 311 and a second sub-shaft hole 312. The first sub-shaft hole 311 is opened on the first sub-seat body 33, and the second sub-shaft hole 312 is opened on the second sub-seat body 34. The first sub-shaft hole 311 and the second sub-shaft hole 312 communicate with each other; the distance between the first end of the first sub-shaft hole 311 and the connecting portion 12 is equal to the distance between the second end of the first sub-shaft hole 311 and the connecting portion 12, and the distance between the first end of the second sub-shaft hole 312 and the connecting portion 12 is less than the distance between the second end of the second sub-shaft hole 312 and the connecting portion 12; wherein, the first end is the end far from the abutting portion 23 of the abutting assembly 2, and the second end is opposite to the first end.

[0080] In the embodiments of the present application, as Figure 2 and Figure 3 shown, the first sub-seat body 33 and the second sub-seat body 34 of the accommodation seat body 3 are arranged in sequence along the axial direction, so that the first sub-shaft hole 311 and the second sub-shaft hole 312 respectively accommodate the corresponding universal joints on the transmission shaft 100 and a part of the transmission shaft 100 located between the universal joint and the corresponding end of the transmission shaft 100. Thus, the transmission shaft 100 can be better limited, the coaxiality between the transmission shaft 100 and the mounting holes on the transmission and reduction gearbox during the assembly process can be improved, and the transmission shaft 100 itself or the oil seal structure on the transmission and reduction gearbox can be prevented from being damaged during the assembly process.

[0081] In some embodiments, the first sub-seat body 33 and the second sub-seat body 34 can be seat bodies with a certain buffering effect, so as not to damage the transmission shaft 100; exemplarily, both the first sub-seat body 33 and the second sub-seat body 34 can be nylon blocks.

[0082] In some embodiments, a buffer block is provided on the abutment portion 23 at the position abutting against the second end portion 103 of the transmission shaft 100 , and the buffer block can protect the position where the transmission shaft 100 abuts against the abutment portion 23 from being damaged; illustratively, the buffer block can be a nylon block.

[0083] Optionally, the shapes and sizes of the first sub-shaft hole 311 and the second sub-shaft hole 312 may be the same or different.

[0084] Optionally, the first sub-base body 33 and the second sub-base body 34 may be connected, or may be in contact but not connected, or may be spaced apart. Figure 3 and Figure 5 As shown, the first sub-base body 33 and the second sub-base body 34 are in contact with each other but not connected, and the first sub-base body 33 and the second sub-base body 34 are each connected to the connecting portion 12. Therefore, when assembling a transmission shaft 100 of different models, at least one of the first sub-base body 33 and the second sub-base body 34 can be replaced separately according to the structure of the transmission shaft 100; or if the first sub-base body 33 and the second sub-base body 34 have different degrees of wear, the sub-base body with the higher degree of wear can be replaced separately.

[0085] When assembling the transmission shaft 100 using the transmission shaft assembly device provided in the embodiment of the present application, since the abutment assembly 2 rotates around the fulcrum, its motion trajectory is actually an arc. Therefore, when the transmission shaft 100 is pushed forward, the transmission shaft 100 will deviate from its axial direction to a certain extent. Due to the different models of the transmission shaft 100, the ends of some transmission shafts 100 only need to be moved a small distance into the mounting hole of the reducer to be installed in place. In this case, the deviation distance is very small and can be ignored, and will not affect the assembly accuracy. However, the ends of other transmission shafts 100 need to be moved a large distance into the mounting hole of the reducer before they can be installed in place. This can easily affect the assembly accuracy of the transmission shaft 100.

[0086] For the above situation, in some embodiments of the present application, such as Figure 7 As shown, different first sub-base bodies 33 and second sub-base bodies 34 can be used to make the axial direction of the first sub-axial hole 311 different from the axial direction of the second sub-axial hole 312, and the axial direction of the second sub-axial hole 312 is inclined relative to the axial direction of the first sub-axial hole 311.

[0087] Generally speaking, Figure 2As shown in the figure, the drive shaft 100 includes a main shaft 101, a first end 102, a second end 103, a first universal joint 104, and a second universal joint 105; the first universal joint 104 is connected between the first end 102 and the main shaft 101, and the second universal joint 105 is connected between the main shaft 101 and the second end 103. The universal joint can change the direction of the axis of the end connected thereto relative to the axis of the main shaft 101.

[0088] Taking the axis direction of the drive shaft mounting hole of the reducer as the horizontal direction as an example, when using this assembly device to assemble the drive shaft 100, it is necessary to keep the axis directions of the first end 102, the first universal joint 104, the main shaft 101 of the drive shaft 100, the second universal joint 105, and the second end 103 of the drive shaft 100 all in the horizontal direction. Moreover, the end of the second universal joint 105 close to the main shaft 101 abuts against the first sub-seat body 33, and the free end of the second end 103 is received in the second end of the second sub-seat body 34. It is easy to understand that since the axis of the second sub-shaft hole is inclined, the connection between the second universal joint 105 and the second end 103 is suspended at this time.

[0089] When applying pressure to the second end 103 of the drive shaft 100 by means of the abutting portion 23, the second end 103 is stressed and transmits this acting force to the main shaft 101 through the second universal joint 105; however, since the second universal joint is rotatable and the first sub-seat body 33 restricts the position of the second universal joint 105, only the free end of the second end 103 will move horizontally and vertically with the rotation of the abutting portion 23, manifested as the axis directions of the pushed second end 103 and the second universal joint 105 being inclined relative to the horizontal direction; but the axis directions of the main shaft 101, the first universal joint 104, and the first end 102 remain unchanged, thus well ensuring the assembly accuracy of the drive shaft 100. Moreover, with the rotation of the abutting portion 23, the inclined second end 103 and the second universal joint 105 will gradually approach and abut against the bottom wall of the second sub-shaft hole 312, thereby ensuring that the second sub-seat body 34 can play a good supporting and limiting role for the second end 103 and the second universal joint 105 during this process, effectively preventing the internal structure of the second universal joint 105 from being damaged during this assembly process.

[0090] Optionally, the direction of the axis of the first sub-shaft hole 311 is the same as the axis direction of the drive shaft mounting hole on the reducer, for example, the horizontal direction; the direction of the axis of the second sub-shaft hole 312 is the same as the axis direction of the second universal joint 105 and the second end 103 when the drive shaft 100 is inserted in place in the drive shaft mounting hole of the reducer.

[0091] In some embodiments, such as Figure 4 and Figure 6As shown, the support portion 13 may include a mounting cylinder 131 and a support plate 132; the mounting cylinder 131 may have an open end 1311 and a closed end 1312 disposed opposite to each other, the open end 1311 may be located at one end of the mounting cylinder 131 away from the connecting portion 12, and the closed end 1312 may be connected to the connecting portion 12; adjacent sides of the support plate 132 may be respectively connected to the barrel wall of the mounting cylinder 131 and the connecting portion 12.

[0092] The open end 1311 and the closed end 1312 of the mounting cylinder 131 are disposed axially opposite to each other, and the closed end 1312 is connected to the connecting portion 12, thereby axially fixing the mounting cylinder to the side of the connecting portion 12 away from the accommodating seat body 3.

[0093] In some embodiments, the mounting cylinder 131 may be a structure with one end closed and the other end open, and the closed end is the closed end 1312, which is fixedly connected to the connecting portion 12. Exemplarily, the closed end 1312 may be connected to the connecting portion 12 through a connecting member 123. In other embodiments, the mounting cylinder 131 may also be a structure with both ends open, and one of the open ends 1311 is connected to the connecting portion 12 to form the closed end 1312. Exemplarily, the closed end 1312 may be welded to the connecting portion 12.

[0094] The support end 11 of the support assembly 1 includes the open end 1311 of the mounting cylinder 131. The support assembly 1 can be inserted and matched with other structures through the open end 1311 of the mounting cylinder 131, so that the open end 1311 of the mounting cylinder 131 serves as a fulcrum. For example, the mounting cylinder 131 can be inserted into a ball pin on the side of the control arm of the vehicle suspension close to the wheel through the open end 1311, and the closed end 1312 abuts against the free end of the ball pin. When the assembly worker pushes the actuating end 21 of the abutting assembly 2, the ball pin slides on the closed end 1312.

[0095] In addition, a support plate 132 is connected to the barrel wall of the mounting cylinder 131, and the other end of the support plate 132 can be connected to the connecting portion 12 to increase the structural strength of the mounting cylinder 131. Thus, when using the open end 1311 of the mounting cylinder 131 as a fulcrum to assemble the transmission shaft 100, the mounting cylinder 131 can be supported, playing a role in protecting the mounting cylinder 131.

[0096] In some embodiments, as Figure 6 shown, the support plate 132 is a triangular plate; the apex angle of the triangular plate is connected to the edge of the connecting portion 12, and the base of the triangular plate is connected to the barrel wall of the mounting cylinder 131.

[0097] The support plate 132 can be set as a triangular plate. The apex angle of the triangular plate is connected to one side edge of the connecting portion 12, and the bottom edge is connected to the barrel wall of the mounting cylinder 131. Since the triangular plate has good stability, it can better protect the mounting cylinder 131 and overall improve the structural strength of the support assembly.

[0098] Optionally, the support plate 132 is a right-angled triangular plate. One right-angled side of the right-angled triangle is the bottom edge and is connected to the barrel wall of the mounting cylinder 131, and the other right-angled side is connected to the connecting portion 12 and extends to the edge of the connecting portion 12. The apex angle of the right-angled triangular plate is connected to this edge.

[0099] In other embodiments of the present application, the support plate 132 can also be other polygonal shapes. Exemplarily, the support plate 132 can be set as a trapezoid, and one side waist of the trapezoid is connected to the barrel wall of the mounting cylinder 131, and the upper base of the trapezoid is connected to the connecting portion 12.

[0100] In some embodiments, as Figure 4 and Figure 6 shown, the mounting cylinder 131 is disposed near the first edge of the connecting portion 12; the number of triangular plates is two, and the bottom edges of the two triangular plates are respectively connected to the opposite sides of the barrel wall of the mounting cylinder 131; the apex angles of the two triangular plates are respectively connected to the two ends of the second edge of the connecting portion 12, and the second edge is opposite to the first edge.

[0101] Exemplarily, as Figure 6 shown, the first edge of the connecting portion 12 can be the edge of the connecting portion 12 away from the abutting portion 23; the second edge of the connecting portion 12 can be the edge of the connecting portion 12 close to the abutting portion 23. By arranging triangular plates on both opposite sides of the barrel wall of the mounting cylinder 131, the structural strength of the support assembly 1 can be further improved, and thus the mounting cylinder 131 can be better protected so that it can provide sufficient supporting force.

[0102] In some embodiments, the first edge of the connecting portion 12 may be arc-shaped, and one end of the first edge of the connecting portion 12 may be set as a semi-circle. One side edge of the closed end 1312 of the mounting cylinder 131, which is away from the second edge of the connecting portion 12, partially coincides with the first edge of the connecting portion 12. The third edge and the fourth edge of the connecting portion 12 are arranged in parallel. The third edge of the connecting portion 12 is respectively connected to one end of the first edge and one end of the second edge, and the fourth edge of the connecting portion 12 is respectively connected to the other end of the first edge and the other end of the second edge. The cylinder wall of the mounting cylinder 131 is respectively arranged at intervals with the third edge and the fourth edge. Both of the two support plates 132 are triangular plates. The bottom sides of the triangular plates are respectively connected to the corresponding two sides of the mounting cylinder 131, and the vertices of the two triangular plates are respectively connected to the connection positions of the second edge and the third edge of the connecting portion 12 and the connection positions of the second edge and the fourth edge of the connecting portion 12. The distance between the two triangular plates gradually increases from the bottom side of the triangular plates to the vertex direction. In addition, the first sub-seat body 33 can be connected to the connecting portion 12 through two connecting pieces 123. The two connecting pieces 123 for connecting the first sub-seat body 33 to the connecting portion 12 are respectively located between the triangular plate and the third edge of the connecting portion 12 and between the other triangular plate and the fourth edge of the connecting portion 12. The frame portion 22 can be connected to the connecting portion 12 through two connecting pieces 123. The two connecting pieces 123 for connecting the frame portion 22 to the connecting portion 12 are both located in the area enclosed by the cylinder wall of the mounting cylinder 131, the second edge of the connecting portion 12, and the two triangular plates, and the two connecting pieces 123 are arranged at intervals.

[0103] In other embodiments of the present application, the number of the triangular plates may also be three or more. When the number of the triangular plates is three, these three triangular plates may be located on the same side of the mounting cylinder 131, and the bottom sides of these three triangular plates may be connected to the cylinder wall of the mounting cylinder 131 at equal intervals. Exemplarily, two of the triangular plates are respectively connected to the opposite two sides of the mounting cylinder 131, and the third triangular plate may be arranged at the middle position between these two triangular plates. In some embodiments, an observation opening 1313 is formed on the cylinder wall of the mounting cylinder 131. The observation opening 1313 may be located on the side of the cylinder wall of the mounting cylinder away from the second edge of the connecting portion 12. The observation opening 1313 can be used to observe the internal situation of the mounting cylinder 131 when the mounting cylinder 131 is positioned.

[0104] When using the drive shaft assembly device provided by the embodiment of the present application to assemble the drive shaft 100, the support assembly 1 can be sleeved on the ball end on the wheel side of the control arm of the vehicle suspension first. Then, one end of the drive shaft 100 is inserted into the drive shaft mounting opening on the transmission reducer. Next, the universal joint at one end of the drive shaft 100 close to the drive shaft assembly device is placed in the assembly shaft hole 31 of the accommodation seat body 3. Around the position where the support assembly 1 is inserted, the actuating end 21 of the abutting assembly 2 is pushed towards the direction of the transmission reducer, so that the end of the drive shaft 100 away from the transmission reducer abuts against the abutting assembly 2, and under the push of the abutting assembly 2, it moves towards the direction of the transmission reducer, and the assembly with the transmission reducer is completed.

[0105] In the present application, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. The term "plurality" means two or more, unless otherwise clearly defined.

[0106] Those skilled in the art will readily think of other embodiments of the present application after considering the specification and practicing the invention disclosed herein. The present application is intended to cover any variations, uses, or adaptations of the present application, which follow the general principles of the present application and include common general knowledge or conventional technical means in the technical field not disclosed in the present application. The specification and embodiments are only regarded as exemplary.

[0107] It should be understood that the present application is not limited to the exact structure already described and shown in the drawings, and various modifications and changes can be made without departing from its scope. The scope of the present application is only limited by the appended claims.

Claims

1. A drive shaft assembly device, characterized in that, The assembly device includes a support assembly (1), an abutting assembly (2), and a receiving seat body (3); The support assembly (1) has a support end (11), and the support assembly (1) includes a connecting portion (12) and a support portion (13); The abutting assembly (2) is connected to the support assembly (1), and the abutting assembly (2) has an actuating end (21), and the actuating end (21) is away from the support assembly (1); The receiving seat body (3) is connected to the support assembly (1) and / or the abutting assembly (2), and the receiving seat body (3) has an assembly shaft hole (31), and the assembly shaft hole (31) is located between the support end (11) and the actuating end (21) for at least receiving the end portion of a transmission shaft (100); Wherein, a part of the abutting assembly (2) is located in the axial direction of the assembly shaft hole (31) and is adapted to abut against the end portion of the transmission shaft (100) located in the assembly shaft hole (31); The connecting portion (12) and the abutting assembly (2) are vertically connected, the support portion (13) is connected to a side of the connecting portion (12) away from the abutting assembly (2), the support end (11) is an end of the support portion (13) away from the connecting portion (12), the receiving seat body (3) is seated on a surface of the connecting portion (12) facing away from the support portion (13), the receiving seat body (3) and the connecting portion (12) are detachably connected, and / or, the abutting assembly (2) and the connecting portion (12) are detachably connected; At least one of a first through hole (121) and a second through hole (122), and a connecting member (123) are provided on the connecting portion (12); a third through hole (32) is provided on the receiving seat body (3), and the connecting portion (12) and the receiving seat body (3) are tightly connected by the connecting member (123) passing through the first through hole (121) and the third through hole (32).

2. The assembly device according to claim 1, characterized in that, The abutting assembly (2) includes a frame portion (22) and an abutting portion (23), and the frame portion (22) surrounds the receiving seat body (3) along the circumferential direction of the assembly shaft hole (31); The abutting portion (23) is connected to opposite side walls of the frame portion (22) for abutting against the end portion of the transmission shaft (100).

3. The assembly device according to claim 2, characterized in that, At least a part of the receiving seat body (3) is located inside the frame portion (22), and the frame portion (22) is connected to or abuts against the outer wall of the receiving seat body (3).

4. The assembling device according to claim 2, characterized in that, A fourth through hole (221) is provided on the frame portion (22), and the connecting portion (12) and the frame portion (22) are tightly connected by another connecting member (123) passing through the second through hole (122) and the fourth through hole (221).

5. The assembly device according to claim 4, characterized in that, The receiving seat body (3) includes a first sub-seat body (33) and a second sub-seat body (34), the first sub-seat body (33) and the second sub-seat body (34) are arranged in sequence along the axial direction of the assembly shaft hole (31), and the first sub-seat body (33) is farther away from the abutting assembly (2) than the second sub-seat body (34); The assembled shaft hole (31) includes a first sub-shaft hole (311) and a second sub-shaft hole (312). The first sub-shaft hole (311) is formed on the first sub-seat body (33), and the second sub-shaft hole (312) is formed on the second sub-seat body (34). The first sub-shaft hole (311) and the second sub-shaft hole (312) are communicated with each other. The distance from the first end of the first sub-shaft hole (311) to the connecting portion (12) is equal to the distance from the second end of the first sub-shaft hole (311) to the connecting portion (12). The distance from the first end of the second sub-shaft hole (312) to the connecting portion (12) is less than the distance from the second end of the second sub-shaft hole (312) to the connecting portion (12). Wherein, the first end is the end far away from the abutting portion (23) of the abutting assembly (2), and the second end is opposite to the first end.

6. The assembly device according to claim 1, characterized in that, The supporting portion (13) includes a mounting cylinder (131) and a supporting plate (132). The mounting cylinder (131) has an open end (1311) and a closed end (1312) which are oppositely arranged. The open end (1311) is located at the end of the mounting cylinder (131) far away from the connecting portion (12), and the closed end (1312) is connected to the connecting portion (12). Two adjacent sides of the supporting plate (132) are respectively connected to the barrel wall of the mounting cylinder (131) and the connecting portion (12).

7. The assembly device according to claim 6, characterized in that, The supporting plate (132) is a triangular plate. The apex angle of the triangular plate is connected to the edge of the connecting portion (12), and the bottom edge of the triangular plate is connected to the barrel wall of the mounting cylinder (131).

8. The assembly device according to claim 7, characterized in that, The mounting cylinder (131) is arranged near the first edge close to the connecting portion (12). The number of the triangular plates is two. The bottom edges of the two triangular plates are respectively connected to the opposite sides of the barrel wall of the mounting cylinder (131). The apex angles of the two triangular plates are respectively connected to the two ends of the second edge of the connecting portion (12), and the second edge is opposite to the first edge.

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