CN117300615A - Differential mechanism assembly assembling tool and method with built-in thrust bearing - Google Patents

Differential mechanism assembly assembling tool and method with built-in thrust bearing Download PDF

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Publication number
CN117300615A
CN117300615A CN202311411300.4A CN202311411300A CN117300615A CN 117300615 A CN117300615 A CN 117300615A CN 202311411300 A CN202311411300 A CN 202311411300A CN 117300615 A CN117300615 A CN 117300615A
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CN
China
Prior art keywords
thrust bearing
base body
built
movable column
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311411300.4A
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Chinese (zh)
Inventor
李庄
麻松
赵洪福
孙超越
周宇博
陶雪松
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FAW Group Corp
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FAW Group Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FAW Group Corp filed Critical FAW Group Corp
Priority to CN202311411300.4A priority Critical patent/CN117300615A/en
Publication of CN117300615A publication Critical patent/CN117300615A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P21/00Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)

Abstract

The invention relates to a differential mechanism assembly assembling tool with a built-in thrust bearing and a method thereof; the tool comprises a base body, a movable column, a claw, a cylindrical spiral spring, an end cover and a limiting piece; the movable column is arranged in the central through hole of the base body; the clamping jaw is arranged at a groove at one end of the base body and can move along the radial direction; the cylindrical spiral spring is arranged between the base body and the clamping jaw; the end cover is arranged on the base body; the limiting pieces are arranged at two ends of the movable column; the method comprises the following steps: the tool is used for fixedly connecting the three parts of the thrust bearing, the driven bevel gear and the half shaft gear; assembling the three parts fixed together with the assembly semi-finished product; disassembling the differential assembly fixture with the built-in thrust bearing, and releasing the fixed state of the three parts; the assembly fixture and the method can ensure that the driven gear side thrust bearing is fixed with the driven gear in the assembly process of the differential mechanism assembly, effectively ensure the assembly quality, can finish the assembly by a single person and are simple and convenient to operate.

Description

Differential mechanism assembly assembling tool and method with built-in thrust bearing
Technical Field
The invention belongs to the technical field of assembly of automobile transmission differential assemblies, and relates to a differential assembly tool with a built-in thrust bearing and a method thereof.
Background
In a bevel gear type differential mechanism assembly adopted by a driving axle of a certain passenger car, a driven bevel gear is provided with a mounting hole in transition fit with a differential shell, and the driven bevel gear are connected through bolts to form a mounting cavity of parts such as a half-shaft gear, a planetary gear and the like. Thrust bearings are employed between the two side gears and the adjacent driven gear and differential housing to reduce wear from relative movement. The thrust bearing is sleeved on the shaft diameter at one side of the half-shaft gear in a hollow way, and the radial positioning of the thrust bearing depends on a corresponding bearing hole on the driven gear or the differential shell.
During assembly, the thrust bearing on one side of the differential case may be first placed in the differential case bearing hole, and then the side gears, planetary gear shaft seats, planetary gears, etc. may be sequentially placed and fixed. The thrust bearing on one side of the driven gear can be assembled in two ways: firstly, a driven gear side half shaft gear is placed at a corresponding position in a differential case, then a thrust bearing on the side is sleeved at the shaft diameter of the half shaft gear in an empty mode, then the driven gear is buckled on the differential case, in the placing process, the thrust bearing can radially float due to the fact that an inner hole of the bearing is larger than the shaft diameter, therefore, the positions of a thrust bearing mounting hole and a connecting bolt hole are required to be adjusted blindly, and finally a connecting bolt is placed and screwed; secondly, firstly placing the driven gear at the lowest position, then sequentially placing the side thrust bearing and the half shaft gear, then reversely buckling the semi-finished product assembled by the differential shell into the corresponding mounting hole of the slave tooth, adjusting the corresponding connecting bolt hole after the whole overturning, and finally placing and screwing the connecting bolt. In the assembly process, the thrust bearing at the side of the driven gear is not fixedly connected with the driven gear, and because the axial size of the thrust bearing is small, the radial positioning failure of the thrust bearing (namely, the thrust bearing is not effectively arranged in a slave tooth bearing hole) can be caused in the processes of blind adjustment, integral overturning and the like, so that the thrust bearing is axially pressed and damaged when the connecting bolt is assembled, and the assembly fails.
Patent document CN202223287296.9 provides a thrust bearing assembly device, which aims at a handle thrust bearing used in an automobile steering system, and the proposed assembly device can increase the locking notch quantity of a bearing retainer and a gasket, eliminate the problem that the thrust bearing is easy to scatter in the follow-up process, mainly aims at the self assembly of the thrust bearing, and does not relate to the assembly process and method of the thrust bearing in the follow-up assembly.
Patent document CN202220578058.4 provides a steel wheel structure with built-in thrust bearing, and provides a steel wheel structure with built-in thrust bearing aiming at the vibration steel wheel in the field of engineering mechanical equipment, which solves the problem that the service life is influenced by overlarge stress of the vibration bearing and the coupling caused by axial displacement, and the thrust bearing is assembled into a conventional assembly from the structure, and has no special points.
Patent document CN202220585572.0 provides a wind power main gear box parallel-stage bearing assembly mechanism, and aims at the current situation that the replacement and maintenance of the existing structure of a wind power gear box are unchanged, and a parallel-stage bearing assembly structure is provided, and thrust bearings are adopted to bear axial force.
Disclosure of Invention
Aiming at the problem of tightening and compression damage caused by radial positioning failure of a driven gear side thrust bearing in the assembly process of a bevel gear differential assembly adopting a built-in thrust bearing, the assembly fixture and the method provided by the invention can ensure that the driven gear side thrust bearing is fixed with the driven gear in the assembly process of the differential assembly, effectively ensure the assembly quality, and can finish assembly by a single person and are simple and convenient to operate.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme:
a differential mechanism assembly fixture with built-in thrust bearing is characterized in that:
comprises a basal body, a movable column, a claw, a cylindrical spiral spring, an end cover and a limiting piece;
the movable column is arranged in the central through hole of the base body;
the clamping jaw is arranged at a groove at one end of the base body and can move along the radial direction;
the cylindrical spiral spring is arranged between the base body and the clamping jaw;
the end cover is arranged on the base body;
the limiting sheets are arranged at two ends of the movable column.
Further, the base body is a stepped cylinder, and the driven bevel gear is in small clearance fit with the base body and the side gear is in small clearance fit with the base body;
further, the movable column is a rotary cylinder, one end of the movable column is provided with 2 sections of V-shaped groove characteristics, the other end of the movable column is provided with a large section of conical surface characteristics with a small section of conical surface characteristics with the same taper, and the movable column is installed in the central through hole of the base body in a small clearance fit mode.
Further, the differential assembly assembling tool with the built-in thrust bearing further comprises a spring plunger positioning lock pin;
the spring plunger positioning lock pin is a standard component and is installed on the base body through threaded connection, and the position of the movable column can be fixed through the matching of the ball head of the telescopic end of the positioning lock pin and the V-shaped groove on the movable column.
Further, the claw is a special-shaped part, one side of the claw is provided with an inclined surface characteristic parallel to the conical surface characteristic of the movable column, and the other side of the claw is provided with a cylindrical counter bore characteristic.
Further, two ends of the cylindrical spiral spring are respectively arranged in the cylindrical counter bores of the base body and the clamping jaw.
Further, the end cap has a locating cylindrical pin feature that mates with a pin hole on the base and is mounted to the base by screw tightening.
Further, the limiting sheets are arranged at two ends of the movable column through screws.
Further, the center of the base body is provided with a through hole, and one end of the base body is provided with a slot and radial cylinder counter bore characteristics.
A method of assembling a differential assembly incorporating a thrust bearing, comprising the steps of:
the method comprises the steps that firstly, a differential mechanism assembly assembling tool with a built-in thrust bearing is used, and the built-in thrust bearing, a driven bevel gear for providing radial positioning holes for the thrust bearing and a half shaft gear adjacent to the thrust bearing are fixedly connected;
step two, assembling the three parts of the thrust bearing, the driven bevel gear and the half shaft gear which are fixed together with an assembled semi-finished product;
and thirdly, detaching the differential assembly fixture with the built-in thrust bearing, and releasing the fixedly connected state of the thrust bearing, the driven bevel gear and the half shaft gear.
Compared with the prior art, the invention has the beneficial effects that:
the assembly fixture and the method can ensure that the driven bevel gear side thrust bearing is fixed with the driven gear in the assembly process of the differential mechanism assembly, effectively ensure the assembly quality, can finish the assembly by a single person and are simple and convenient to operate.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a block diagram of an assembly fixture;
FIG. 2 is a diagram of assembly tooling assembly;
FIG. 3 is a schematic diagram of a differential assembly;
fig. 4 is a schematic diagram of an assembly fixture in a jaw contracted state;
FIG. 5 is a schematic diagram of an assembly fixture in a retracted state of the jaws;
FIG. 6 is a schematic view of an assembly fixture with the jaws extended;
FIG. 7 is a schematic diagram of an assembly fixture in a jaw extended state;
in the figure:
1. a base;
2. a movable column;
3. a spring plunger positioning lock pin;
4. a claw;
5. a cylindrical coil spring;
6. an end cap;
7. and a limiting piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention become more apparent, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the invention. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present invention.
The invention is described in detail below with reference to the attached drawing figures:
the invention relates to an assembly fixture and a method for a differential mechanism assembly with a built-in thrust bearing, wherein the assembly method is that the thrust bearing at the side of a driven gear is assembled in a bearing hole on the driven gear, then adjacent half-shaft gears are assembled, 3 parts are fixedly connected through the assembly fixture, the driven gear with the thrust bearing and the half-shaft gears fixedly connected is buckled on a semi-finished product assembled by a differential mechanism shell, the assembly fixture provided by the invention can be taken out after a connecting bolt is assembled and screwed, the assembly of the differential mechanism assembly can be completed, the thrust bearing at the side of the driven gear can not be separated from the bearing hole in the assembly process, and the assembly can be completed by a single person and is simple and convenient to operate.
The assembly fixture provided by the invention comprises a base body, a movable column, a spring plunger positioning lock pin, a claw, a cylindrical spiral spring, an end cover, a limiting piece and related connecting screws.
The base body is a stepped cylinder, an outer cylinder matched with the driven gear and the half shaft gear is in small clearance fit, a through hole is formed in the center of the base body, and one end of the base body is provided with a slot and radial cylinder counter bore characteristics.
The movable column is a rotary cylinder, one end of the movable column is provided with 2 sections of V-shaped groove characteristics, the other end of the movable column is provided with 2 sections of conical surface characteristics with the same taper, and the movable column is installed in the central through hole of the base body in a small clearance fit mode.
The spring plunger positioning lock pin is a standard component and is installed on the base body through threaded connection, and the position of the movable column can be fixed through the matching of the telescopic end ball head of the positioning lock pin and the V-shaped groove on the movable column.
The clamping jaw is a special-shaped part, one side of the clamping jaw is provided with an inclined surface characteristic parallel to the conical surface characteristic of the movable column, and the other side of the clamping jaw is provided with a cylindrical counter bore characteristic and can move along the radial direction.
The cylindrical spiral spring is arranged between the base body and the clamping jaw, and two ends of the spring are respectively arranged in cylindrical counter bores of the base body and the clamping jaw.
The end cover is provided with a positioning cylindrical pin feature, is matched with a pin hole on the base body and is screwed on the base body through a screw.
The limiting sheets are arranged at two ends of the movable column through screws.
The assembler provided by the invention has two states: the first is a limiting piece at the side of the pressing end cover, the movable column axially moves along the central through hole of the base body, in the moving process, the ball head of the telescopic end of the spring plunger positioning lock pin is pressed until the ball head of the telescopic end of the spring plunger is stopped at the V-shaped groove moving to the inner side (the telescopic end of the positioning lock pin is still in a pressed state at the moment), at the moment, the large conical surface on the movable column contacts with the inclined surface of the claw, the claw radially stretches out along the mounting groove of the base body, the diameter of the outer end of the claw is larger than the small diameter of the internal spline of the side gear, and meanwhile, the cylindrical spiral spring is in the pressed state; the second is to press down the spacing piece of the other side, the movable column moves reversely along the central through hole of the basal body until the ball head of the telescopic end of the spring plunger positioning lock pin is matched with the V-shaped groove on the outer side, at this time, the small conical surface on the movable column contacts with the inclined surface of the claw, under the elastic force of the cylindrical spiral spring, the claw contracts radially along the basal body mounting groove, and the diameter of the outer end of the claw is smaller than the diameter of the outer circle of the basal body at the mounting position.
The limiting piece on one side of the large cylinder of the base body is pressed to enable the assembly tool to be in a claw shrinkage state, the assembly tool is vertically placed above the end cover, the driven bevel gear, the thrust bearing on the bevel gear side and the half shaft gear are sequentially sleeved on the assembly tool, the limiting piece on one side of the end cover is pressed, and the (3) claw synchronously stretches out to be abutted against the outer edge part (the diameter of an inner hole is larger than the small diameter of the inner spline) of the inner spline of the half shaft gear, so that the driven bevel gear, the thrust bearing, the half shaft gear and the assembly tool are fixedly connected. The fixed connection body is turned over and buckled on the semi-finished product of the differential mechanism shell assembly, the connecting bolt is placed and screwed down, then the limiting piece on one side of the large cylinder of the base body is pressed, the claw contracts under the action of the cylindrical spiral spring, and the assembly tool can be taken out from the differential mechanism assembly.
A method of assembling a differential assembly incorporating a thrust bearing, comprising the steps of:
step one, fixing a built-in thrust bearing with a driven bevel gear and an adjacent half shaft gear which are provided with radial positioning bearing holes by using a special assembly tool;
the differential assembly assembling tool with the built-in thrust bearing is used for fixedly connecting the built-in thrust bearing, a driven bevel gear for providing radial positioning holes for the thrust bearing and a half shaft gear adjacent to the thrust bearing;
referring to fig. 1, 2, 3, 4, 5, 6 and 7, the special tool is in a state when 3 parts of the thrust bearing, the driven bevel gear and the side gear are temporarily fixedly connected. It can be seen that the (3) claws 4 are in an extended state at this time, that is, the outer edges of the claws 4 extend beyond the outer cylindrical surface of the base body, and the extended parts are clamped on the inner spline steps of the side gears, so that the 3 parts are fixedly connected in a temporary mode.
Further explaining the state of the other parts at this time: the positioning lock pin 3 is clamped on a V-shaped groove below the movable column 2, so that a self-locking effect similar to that in manual transmission gear shifting is realized; the inner end of the claw 4 is attached to the large conical surface of the movable column 2, and the cylindrical spring 5 is in the maximum compression state.
The special assembly tool provided by the invention has the main function of fixedly connecting the 3 parts into a whole in the assembly process. 3 parts, namely a built-in thrust bearing, a driven bevel gear for providing radial positioning holes for the thrust bearing and a side gear adjacent to the thrust bearing, are fixedly connected by using a special assembly tool
Step two, assembling the three parts fixed together with an assembly semi-finished product;
and thirdly, detaching the special assembly tool to release the fixed state of the 3 parts.
The assembled semi-finished product refers to an assembly body formed by parts contained in the rest differential assembly without the three parts and the connecting bolts.
And thirdly, detaching the differential assembly fixture with the built-in thrust bearing, and releasing the fixed state of the thrust bearing, the driven bevel gear and the half shaft gear.
Specifically, referring to fig. 1 and fig. 2, the working conditions of each part of the tooling are as follows:
the state of the special tool when the thrust bearing, the driven bevel gear and the side gear 3 parts are in temporary fixation is shown in the figure 1. It can be seen that the (3) claws 4 are in an extended state at this time, that is, the outer edges of the claws 4 extend beyond the outer cylindrical surface of the base body, and the extended parts are clamped on the inner spline steps of the side gears, so that the 3 parts are fixedly connected in a temporary mode.
Further explaining the state of the other parts at this time: the positioning lock pin 3 is clamped on a V-shaped groove below the movable column 2, so that a self-locking effect similar to that in manual transmission gear shifting is realized; the inner end of the claw 4 is attached to the large conical surface of the movable column 2, and the cylindrical spring 5 is in the maximum compression state.
Unlike the state shown in fig. 1, if the temporary fixation of the 3 parts is to be released, the upper limiting piece 7 is pressed, the movable column and the 2 limiting pieces 7 move downwards until the positioning lock pin 3 is clamped on the V-shaped groove on the movable column 2, at this time, the inner end of the claw 4 is attached to the small conical surface on the movable column 2, under the action of the elasticity of the cylindrical spring 5, the claw 4 moves towards the center, the outer edge of the claw 4 is contracted to the inner cylindrical surface of the base body, namely, at this time, the claw is separated from the step of the inner spline of the half-shaft gear, and the temporary fixation of the thrust bearing, the driven bevel gear and the half-shaft gear 3 parts is released.
The special assembly fixture comprises a base body 1, a movable column 2, a spring plunger positioning lock pin 3, a claw 4, a cylindrical spiral spring 5, an end cover 6, a limiting piece 7 and related connecting screws.
The base body 1 is a stepped cylinder, an outer cylinder matched with the driven bevel gear and the half shaft gear is in small clearance fit, a through hole is formed in the center of the base body 1, and one end of the base body is provided with a groove and radial cylinder counter bore characteristics.
The outer cylinder matched with the driven gear and the half shaft gear adopts small clearance fit, a through hole is arranged at the center of the basal body, and one end of the basal body is provided with a slot and radial cylinder counter bore characteristics.
The driven gear is in small clearance fit with the base body, and the half shaft gear is in small clearance fit with the base body, and the outer cylinder is 2 sections of outer cylinders on the base body.
The movable column 2 is a rotary cylinder, one end of the movable column is provided with 2 sections of V-shaped groove characteristics, the other end of the movable column is provided with 2 sections of conical surface characteristics with the same taper, and the movable column is installed in the central through hole of the base body 1 in a small clearance fit mode.
The spring plunger positioning lock pin 3 is a standard component and is arranged on the base body 1 through threaded connection, and the position of the movable column 2 can be fixed through the matching of the telescopic end ball head of the positioning lock pin and the V-shaped groove on the movable column 2.
The claw 4 is a special-shaped part, one side of the claw is provided with an inclined surface characteristic parallel to the conical surface characteristic of the movable column 2, one side of the claw is provided with a cylindrical counter bore characteristic, and the claw 4 is arranged at a groove at one end of the base body 1 and can move along the radial direction.
The cylindrical spiral spring 5 is arranged between the base body 1 and the clamping jaw 4, and two ends of the cylindrical spiral spring 5 are respectively arranged in cylindrical counter bores of the base body 1 and the clamping jaw 4.
The end cover 6 is provided with a positioning cylindrical pin feature, is matched with a pin hole on the base body 1 and is screwed on the base body 1 through screws.
The limiting sheets 7 are arranged at two ends of the movable column 2 through screws.
The foregoing is merely illustrative of specific embodiments of the present invention, and the scope of the invention is not limited thereto, but any modifications, equivalents, improvements and alternatives falling within the spirit and principles of the present invention will be apparent to those skilled in the art within the scope of the present invention. And all that is not described in detail in this specification is well known to those skilled in the art.

Claims (10)

1. A differential mechanism assembly fixture with built-in thrust bearing is characterized in that:
comprises a basal body, a movable column, a claw, a cylindrical spiral spring, an end cover and a limiting piece;
the movable column is arranged in the central through hole of the base body;
the clamping jaw is arranged at a groove at one end of the base body and can move along the radial direction;
the cylindrical spiral spring is arranged between the base body and the clamping jaw;
the end cover is arranged on the base body;
the limiting sheets are arranged at two ends of the movable column.
2. The differential assembly tooling for a built-in thrust bearing of claim 1, wherein:
the base body is a stepped cylinder, and the driven bevel gear is in small clearance fit with the base body and the side gear is in small clearance fit with the base body.
3. The differential mechanism assembly fixture with the built-in thrust bearing is characterized in that:
the movable column is a rotary cylinder, one end of the movable column is provided with 2 sections of V-shaped groove characteristics, the other end of the movable column is provided with a large section of conical surface characteristics and a small section of conical surface characteristics, and the movable column is installed in the central through hole of the base body in a small clearance fit mode.
4. A differential assembly tooling for a built-in thrust bearing as set forth in claim 3, wherein: the spring plunger positioning lock pin is also included;
the spring plunger positioning lock pin is a standard component and is installed on the base body through threaded connection, and the position of the movable column can be fixed through the matching of the ball head of the telescopic end of the positioning lock pin and the V-shaped groove on the movable column.
5. The differential assembly tooling for a built-in thrust bearing of claim 2, wherein:
the claw is a special-shaped part, one side of the claw is provided with an inclined surface characteristic parallel to the conical surface characteristic of the movable column, and the other side of the claw is provided with a cylindrical counter bore characteristic.
6. The differential assembly tooling for a built-in thrust bearing of claim 5, wherein:
and two ends of the cylindrical spiral spring are respectively arranged in the cylindrical counter bores of the base body and the clamping jaw.
7. The differential assembly tooling for a built-in thrust bearing of claim 2, wherein:
the end cap has a locating cylindrical pin feature that mates with a pin hole on the base and is mounted on the base by screw tightening.
8. The differential assembly tooling for a built-in thrust bearing of claim 1, wherein:
the limiting sheets are arranged at two ends of the movable column through screws.
9. The differential assembly tooling for a built-in thrust bearing of claim 1, wherein:
the center of the basal body is provided with a through hole, and one end of the basal body is provided with a slot and radial cylinder counter bore characteristics.
10. A method of assembling a differential assembly incorporating a thrust bearing, comprising the steps of:
the method comprises the steps that firstly, a differential mechanism assembly assembling tool with a built-in thrust bearing is used, and the built-in thrust bearing, a driven bevel gear for providing radial positioning holes for the thrust bearing and a half shaft gear adjacent to the thrust bearing are fixedly connected;
step two, assembling the three parts of the thrust bearing, the driven bevel gear and the half shaft gear which are fixed together with an assembled semi-finished product;
and thirdly, detaching the differential assembly fixture with the built-in thrust bearing, and releasing the fixedly connected state of the thrust bearing, the driven bevel gear and the half shaft gear.
CN202311411300.4A 2023-10-29 2023-10-29 Differential mechanism assembly assembling tool and method with built-in thrust bearing Pending CN117300615A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311411300.4A CN117300615A (en) 2023-10-29 2023-10-29 Differential mechanism assembly assembling tool and method with built-in thrust bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311411300.4A CN117300615A (en) 2023-10-29 2023-10-29 Differential mechanism assembly assembling tool and method with built-in thrust bearing

Publications (1)

Publication Number Publication Date
CN117300615A true CN117300615A (en) 2023-12-29

Family

ID=89255255

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311411300.4A Pending CN117300615A (en) 2023-10-29 2023-10-29 Differential mechanism assembly assembling tool and method with built-in thrust bearing

Country Status (1)

Country Link
CN (1) CN117300615A (en)

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