CN217728551U - Motorcycle drum brake assembly fixture and assembly workbench - Google Patents
Motorcycle drum brake assembly fixture and assembly workbench Download PDFInfo
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- CN217728551U CN217728551U CN202221497674.3U CN202221497674U CN217728551U CN 217728551 U CN217728551 U CN 217728551U CN 202221497674 U CN202221497674 U CN 202221497674U CN 217728551 U CN217728551 U CN 217728551U
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- drum brake
- locating pin
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- motorcycle
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Abstract
The utility model relates to a motorcycle assembly technical field especially relates to a motorcycle drum assembly fixture and assembly workstation of stopping. Motorcycle drum assembly fixture of stopping includes: the drum brake support block is fixed on the assembly platform and provided with a bottom plane and a step surface, a boss is arranged in the middle of the bottom plane, an accommodating cavity is formed between the boss and the step surface, and the step surface is used for supporting a drum brake flange; set up first locating pin and second locating pin on the boss, first locating pin is located the center of boss, the second locating pin is two, and two second locating pins are central symmetrical arrangement for first locating pin, the distance of second locating pin to first locating pin equals with the distance of drum centre bore to the mounting hole of stopping, and first locating pin and second locating pin all have the round platform structure that supports drum square platform of stopping, and assembly fixture has solved the problem that drum outstanding part damage of stopping, improves assembly efficiency.
Description
Technical Field
The utility model relates to a motorcycle assembly technical field especially relates to a motorcycle drum assembly fixture and assembly workstation of stopping.
Background
The information in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
The drum brake is to use the static brake block in the brake drum to rub the brake drum rotating with the wheel, and during braking, the oil pressure is used to push the brake shoe to contact the inner edge of the brake drum, so as to suppress the rotation of the tire by the friction force generated by the contact, thereby achieving the purpose of braking. The drum brake has good self-braking effect, and part of motorcycles are braked by adopting a drum brake mode, so that the cost is lower and the assembly is simple and convenient.
In order to improve the production efficiency, automobile manufacturers can separately assemble the drum brakes of the motorcycles no matter in large scale and strong enterprises or enterprises in development and molding. The existing drum brake assembly process is to place a drum brake on a platform and buckle a wheel hub on the drum brake for assembly. Because the drum brake part structure protrudes out of the drum brake end surface, after the drum brake is placed on the platform, the protruding part directly abuts against the metal platform to easily cause damage; in addition, drum is stopped and wheel hub passes through threaded connection, and drum is stopped and wheel hub integral rotation when screwing up, needs a plurality of assembly personnel to cooperate jointly just can tighten drum and stop and wheel hub, occupies a plurality of assembly personnel, has reduced assembly efficiency.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides an aim at provides a motorcycle drum assembly fixture of stopping, solves the problem that the outstanding part damage was stopped to the drum, improves assembly efficiency.
Another object of the utility model is to provide an assembly workbench based on above-mentioned motorcycle drum assembly fixture of stopping.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
the utility model provides a motorcycle drum assembly fixture that stops, includes: the drum brake support block is fixed on the assembly platform and provided with a bottom plane and a step surface, a boss is arranged in the middle of the bottom plane, an accommodating cavity is formed between the boss and the step surface, and the step surface is used for supporting a drum brake flange; set up first locating pin and second locating pin on the boss, first locating pin is located the center of boss, the second locating pin is two, and two second locating pins are central symmetry arrangement for first locating pin, the distance of second locating pin to first locating pin equals with the distance of drum centre bore to the mounting hole of stopping, and first locating pin and second locating pin all have the round platform structure that supports drum square platform of stopping.
In another preferred embodiment, the boss is a cross structure, and the first positioning pin, the second positioning pin and the boss are detachably connected.
In another preferred embodiment, the assembly platform further comprises a tool bottom plate, the tool bottom plate is detachably connected with the drum brake supporting block, the tool bottom plate is provided with a bottom plate fixing hole, the bottom plate fixing hole is a unthreaded hole, and a bolt penetrates through the bottom plate fixing hole to fix the tool bottom plate on the assembly platform.
In another preferred embodiment, the bottom plane of the drum brake support block is provided with a plurality of support block connecting holes, and the plurality of support block connecting holes are arranged on the periphery of the boss in a circumferential array.
In another preferred embodiment, the tool bottom plate has a set thickness, is rectangular, and has a circular arc structure at four corners.
In another preferred embodiment, the drum brake support block is arranged at the central position of the tool bottom plate, and bottom plate pin holes are formed in the two sides, located on the drum brake support block, of the tool bottom plate.
In another preferred embodiment, handles are respectively arranged on two sides of the tool bottom plate, the handles are of a C-shaped structure and comprise short rods at two ends and a long rod in the middle, and the length of the long rod is larger than the width of the palm of an assembler.
In another preferred embodiment, the middle long rod is provided with a sheath, and the sheath is made of rubber.
In another preferred embodiment, the drum brake pad, the first positioning pin and the second positioning pin are all made of polyurethane material.
The embodiment of the utility model provides a motorcycle drum assembly platform that stops is still provided, the movable table comprises a table top, can dismantle on the mesa and connect as above motorcycle drum assembly fixture that stops.
The embodiment of the utility model provides an in the one or more technical scheme that provide, have following technological effect or advantage at least:
1. when the assembly tool is used for assembling the drum brake, the drum brake is reversely buckled on the drum brake supporting block, the drum brake flange is supported through the step surface, and the drum brake square table is supported through the round table structures of the first positioning pin and the second positioning pin, so that the structure which protrudes out of the drum brake end surface extends into the accommodating cavity between the boss and the step surface; the first locating pin inserts the centre bore that the drum was stopped, and the second locating pin inserts the mounting hole that the drum was stopped, realizes the location and the rotation stopping of drum braking. The drum brake is supported by the step surface and the circular truncated cone structures of the two positioning pins, and the arrangement of the accommodating cavity prevents the protruding structures from being directly pressed against each other, so that the damage to parts is avoided; meanwhile, the two positioning pins avoid the rotation of the drum brake and the wheel hub when the nut is screwed down, only one assembling person is needed during assembling, the personnel allocation is reduced, and the assembling efficiency is improved.
2. The problem that a traditional automobile enterprise does not have a proper motorcycle drum brake assembly platform is solved; the initial equipment investment of a host factory is reduced, and the production cost is saved; the flexible operation of staff is facilitated, and the production efficiency is improved; the collision and scratch caused by rigid fixation to the motorcycle drum brake are avoided, and the production cost is saved.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to constitute a limitation on the invention.
Fig. 1 is a schematic view of a motorcycle drum brake assembly tool provided by an embodiment of the invention;
FIG. 2 is a schematic of a drum brake;
fig. 3 is a schematic view of the motorcycle drum brake assembly tool assembly drum brake provided by the embodiment of the present invention;
fig. 4 is a sectional view of the motorcycle drum brake assembly tool provided by the embodiment of the present invention along a connection line of two second positioning pins;
in the figure: 1. a tooling bottom plate; 2. a bottom plate pin hole; 3. a drum brake support block; 4. a second positioning pin; 5. a first locating pin; 6. a handle; 7. a circular truncated cone structure; 8. a bottom plate fixing hole; 9. a supporting block connecting hole; 10. a boss; 11. a bottom plane; 12. a step surface; 01. a protruding structure; 02. a flange; 03. a square table; 04. a central bore; 05. mounting holes; 06. a hub;
the spacing or size between each other is exaggerated to show the location of the locations, and the illustration is for illustrative purposes only.
Detailed Description
For convenience of description, the words "upper", "lower", "left" and "right" in the present application, if any, merely indicate correspondence with the upper, lower, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the present invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. The terms "mounting", "connecting", "fixing" and the like in the present invention should be understood in a broad sense, for example, they may be fixed or detachable or integrated; the two components can be connected mechanically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and specific meanings of the terms in the present invention can be understood by those skilled in the art according to specific situations.
As described in the background of the invention, the conventional drum brake assembly process places the drum brake on a platform, and fastens the hub on the drum brake for assembly. Because the internal structure of the drum brake protrudes out of the outer contour plane, after the drum brake is placed on the platform, the protruding parts directly abut against the metal platform to easily cause damage; in addition, drum is stopped and wheel hub passes through threaded connection, and drum is stopped and wheel hub integral rotation when screwing up, needs a plurality of assembly personnel to cooperate jointly just can tighten drum and stop and wheel hub, occupies a plurality of assembly personnel, has reduced assembly efficiency. In order to solve the technical problem, the utility model provides a motorcycle drum assembly fixture of stopping.
As shown in fig. 1, the utility model provides an embodiment has recorded a motorcycle drum assembly fixture of stopping, include: the drum brake support block 3 is fixed on the assembly platform, the drum brake support block 3 is provided with a bottom plane 11 and a step surface 12, a boss 10 is arranged in the middle of the bottom plane 11, an accommodating cavity is formed between the boss 10 and the step surface 12, and the step surface 12 is used for supporting a drum brake flange 02; set up first locating pin 5 and second locating pin 4 on the boss 10, first locating pin 5 is located the center of boss 10, second locating pin 4 is two, and two second locating pins 4 are central symmetrical arrangement for first locating pin 5, second locating pin 4 equals with the distance that central hole 04 is stopped to the mounting hole 05 to the drum to first locating pin 5's distance, and first locating pin 5 and second locating pin 4 all have the round platform structure 7 that supports drum square platform 03 of stopping.
The drum brake supporting block 3, the first positioning pin 5 and the second positioning pin 4 are made of polyurethane materials, and the drum brake surface is prevented from being scratched.
The assembling tool further comprises a tool bottom plate 1, the tool bottom plate 1 is detachably connected with the drum brake supporting block 3, the tool bottom plate 1 is provided with a bottom plate fixing hole 8, the bottom plate fixing hole 8 is a unthreaded hole, and a bolt penetrates through the bottom plate fixing hole 8 to fix the tool bottom plate 1 to an assembling platform. The tool bottom plate 1 is fixed on the assembling platform, the drum brake support block 3 is fixed on the tool bottom plate 1, and the drum brake is positioned and stopped by the positioning pin, so that the drum brake assembly is convenient to install, and the assembling efficiency is improved.
The base plane 11 of the drum brake supporting block 3 is provided with a plurality of supporting block connecting holes 9, and the plurality of supporting block connecting holes 9 are arranged on the periphery of the boss 10 in a circumferential array mode. The tool bottom plate 1, the drum brake support block 3 and the positioning pin are detachably connected, so that different drum brake support blocks 3 and positioning pins can be replaced when different models of drums are assembled, and the assembly of various vehicle types can be performed. As shown in fig. 4, the first positioning pin is connected to the boss by a bolt, and the second positioning pin is connected to the boss by a nut. During assembly, the first positioning pin and the second positioning pin are installed on the boss, and then the boss is installed on the tool bottom plate.
The tool bottom plate 1 is provided with a set thickness, is rectangular in shape, and is provided with arc-shaped corners to prevent edges and corners from scratching assembly personnel or workpieces.
The drum brake support block 3 is arranged at the center of the tool bottom plate 1, and the bottom plate pin holes 2 are formed in the two sides, located on the drum brake support block 3, of the tool bottom plate 1, so that the tool bottom plate 1 can be conveniently located.
The both sides of frock bottom plate 1 set up handle 6 respectively, handle 6 is C type structure, including the quarter butt at both ends and middle stock, the length of stock is greater than the width of assembly personnel palm, and the assembly personnel of being convenient for remove the drum assembly fixture of stopping that sets up of bottom plate both sides handle 6.
The middle long rod is provided with a sheath made of rubber, and friction can be increased by the aid of the rubber sheath to prevent the assembling tool from slipping off.
Based on above-mentioned assembly fixture that stops is bloated, the embodiment of the utility model provides a motorcycle drum assembly platform that stops is still provided, which comprises a table top, can dismantle on the mesa and connect as above motorcycle drum assembly fixture that stops, assembly process as follows:
fixing a flexible motorcycle drum brake assembly tool on a workbench;
the motorcycle drum brake is placed on the drum brake supporting block 3, so that the structure of the drum brake supporting block 3 can support the motorcycle drum brake, the first positioning pin 5 penetrates through the axis of the drum brake, and the second positioning pin 4 penetrates through the drum brake mounting hole 05;
the hub 06 of the motorcycle is penetrated through a drum brake connecting bolt (4);
the drum brake and the motorcycle hub 06 are fixed together by nuts (4);
the assembled motorcycle hub 06 is removed.
Although the specific embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications or variations can be made by those skilled in the art without inventive efforts on the basis of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a motorcycle drum assembly fixture that stops which characterized in that includes: the drum brake support block is fixed on the assembly platform and provided with a bottom plane and a step surface, a boss is arranged in the middle of the bottom plane, an accommodating cavity is formed between the boss and the step surface, and the step surface is used for supporting a drum brake flange;
set up first locating pin and second locating pin on the boss, first locating pin is located the center of boss, the second locating pin is two, and two second locating pins are central symmetry arrangement for first locating pin, the distance of second locating pin to first locating pin equals with the distance of drum centre of stopping to the mounting hole, and first locating pin and second locating pin all have the round platform structure that supports drum square of stopping.
2. The motorcycle drum brake assembly fixture of claim 1, wherein the boss is of a cross-shaped structure, and the first positioning pin, the second positioning pin and the boss are detachably connected.
3. The motorcycle drum brake assembly fixture according to claim 1, further comprising a fixture base plate, wherein the fixture base plate is detachably connected to the drum brake support block, the fixture base plate is provided with a base plate fixing hole, the base plate fixing hole is a light hole, and the fixture base plate is fixed to the assembly platform by bolts penetrating through the base plate fixing hole.
4. The motorcycle drum brake assembly fixture of claim 3, wherein the drum brake support block bottom plane has a plurality of support block connecting holes, and the plurality of support block connecting holes are arranged on the periphery of the boss in a circumferential array.
5. The motorcycle drum brake assembly fixture of claim 3, wherein the fixture bottom plate has a set thickness, is rectangular in shape, and has a circular arc structure at four corners.
6. The motorcycle drum brake assembling tool according to claim 5, wherein the drum brake support block is arranged at the center of the tool bottom plate, and bottom plate pin holes are formed in the tool bottom plate and located on two sides of the drum brake support block.
7. The motorcycle drum brake assembly fixture of claim 3, wherein handles are respectively arranged on two sides of the fixture bottom plate, the handles are C-shaped structures and comprise short rods at two ends and a long rod in the middle, and the length of the long rod is larger than the width of the palm of an assembler.
8. The motorcycle drum brake assembly fixture of claim 7, wherein the middle long rod is provided with a sheath, and the sheath is made of rubber.
9. The motorcycle drum brake assembly fixture of claim 1, wherein the drum brake support block, the first positioning pin and the second positioning pin are all made of polyurethane material.
10. A motorcycle drum brake assembly workbench is characterized by comprising a table board, wherein the table board is detachably connected with the motorcycle drum brake assembly tool according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221497674.3U CN217728551U (en) | 2022-06-15 | 2022-06-15 | Motorcycle drum brake assembly fixture and assembly workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221497674.3U CN217728551U (en) | 2022-06-15 | 2022-06-15 | Motorcycle drum brake assembly fixture and assembly workbench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217728551U true CN217728551U (en) | 2022-11-04 |
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ID=83842096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221497674.3U Active CN217728551U (en) | 2022-06-15 | 2022-06-15 | Motorcycle drum brake assembly fixture and assembly workbench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217728551U (en) |
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2022
- 2022-06-15 CN CN202221497674.3U patent/CN217728551U/en active Active
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