CN211490357U - Press fitting tool for driven pulley compensation cylinder of transmission - Google Patents
Press fitting tool for driven pulley compensation cylinder of transmission Download PDFInfo
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- CN211490357U CN211490357U CN201922028565.1U CN201922028565U CN211490357U CN 211490357 U CN211490357 U CN 211490357U CN 201922028565 U CN201922028565 U CN 201922028565U CN 211490357 U CN211490357 U CN 211490357U
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- fitting tool
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Abstract
The utility model is suitable for a pressure equipment frock field provides a pressure equipment frock of derailleur driven pulley compensation jar, pressure equipment frock includes the base, sets up the work piece location chassis that is used for placing the driven pulley assembly on the base sets up fixed bolster on the base, and set up push down the subassembly on the fixed bolster, solve among the prior art the required packing force of driven pulley compensation jar pressure equipment too big, and the difficult technical problem who targets in place of installing of driven pulley compensation jar retaining ring.
Description
Technical Field
The utility model belongs to pressure equipment frock field especially relates to a pressure equipment frock of derailleur driven pulley compensation jar.
Background
Currently, the stable operation of a metal belt type continuously variable transmission is realized by a set of complete and complex hydraulic system, wherein a driving cylinder controls the speed ratio change of the transmission, and a driven cylinder controls the clamping force. When the continuously variable transmission works, the driving cylinder and the driven cylinder rotate at high speed along with the engine, and the internal hydraulic oil can generate dynamic pressure of different degrees under the action of centrifugal force. The dynamic pressure changes along with the rotating speed, and has great influence on the precise control of the clamping force of the driven cylinder. The prior art mainly aims to solve the dynamic pressure problem by additionally arranging a compensation cylinder at the upper end of a slave cylinder piston.
In the production process of an actual factory assembly line, the press-fitting difficulty of the driven pulley compensation cylinder is high. The interior of the driven wheel piston is in contact with a driven wheel spring, and press mounting is carried out by adopting mechanical equipment, wherein the press mounting height is up to 15 KN. The compensation cylinder is positioned at the upper end of the piston, so that huge spring counter force needs to be overcome during press fitting, and the press fitting cannot be directly carried out through manpower.
After the compensation cylinder is pressed in place, the position is limited through the retaining ring, the driven cylinder is pressed for a certain distance during pressing, and the press-fitting cost of the machine is set independently too high. Therefore, the compensation cylinder can be pressed and the check ring can be installed by means of manpower by designing a tool.
Disclosure of Invention
An object of the utility model is to provide a pressure equipment frock of derailleur driven pulley compensation jar, it is too big to aim at solving the required packing force of driven pulley compensation jar pressure equipment among the prior art, and the difficult technical problem who targets in place of installing of driven pulley compensation jar retaining ring.
The utility model discloses a realize like this, a pressure equipment frock of derailleur driven pulley compensation jar, pressure equipment frock includes the base, sets up the work piece location chassis that is used for placing the driven pulley assembly on the base sets up fixed bolster on the base, and set up and be in push down the subassembly on the fixed bolster, it includes threaded connection to push down the subassembly the screw rod of fixed bolster, set up the screw rod bottom and with the rotatory briquetting of executing of screw rod that the screw rod is connected, the contact is connected the rotatory nut cushion of the briquetting of executing of screw rod, the contact is connected the extension section of thick bamboo of nut cushion, and be used for inserting and establish extend a section of thick bamboo bottom and be used for pushing down the pressure equipment section of thick bamboo of compensation jar.
The utility model discloses a further technical scheme is: the press-fitting tool further comprises a rocker arm detachably connected to the top end of the screw rod and used for rotating the screw rod to move up and down.
The utility model discloses a further technical scheme is: the fixed bolster is including being used for threaded connection the diaphragm of screw rod, and set up the diaphragm both ends are used for fixing the diaphragm and with first stand and the second stand that the base is connected.
The utility model discloses a further technical scheme is: one end of the press-fitting cylinder is provided with an extension cylinder mounting hole for mounting the extension cylinder.
The utility model discloses a further technical scheme is: the extension cylinder is an I-shaped cylindrical extension cylinder.
The utility model discloses a further technical scheme is: the screw rod rotating pressing block is a round screw rod rotating pressing block which is in an inverted T shape and is provided with a threaded hole for connecting the screw rod.
The utility model discloses a further technical scheme is: the workpiece positioning chassis is provided with a positioning hole for positioning the driven belt wheel assembly, and the edge of the workpiece positioning chassis is provided with a limiting bulge part for limiting the driven belt wheel assembly.
The utility model discloses a further technical scheme is: the workpiece positioning chassis is integrally of a circular structure.
The utility model discloses a further technical scheme is: the rotary pressure applying block bottom of the screw rod is provided with a nut cushion block placing groove used for being in contact connection with the nut cushion block, and the bottom of the nut cushion block is provided with an extension barrel placing groove used for being in contact connection with the extension barrel.
The utility model discloses a further technical scheme is: the central axes of the screw rod, the screw rod rotating pressing block, the nut cushion block, the extension cylinder and the press-loading cylinder in the pressing component are all on the same straight line.
The utility model has the advantages that: adopt this kind of pressure equipment frock can drive the screw rod rotation mode through the rotatory rocking arm of manpower and produce enough big holding down force, guarantee that driven compensation jar can press to required degree of depth, can keep compensation jar rigidity simultaneously, make things convenient for the retaining ring to install in place, the work piece is placed on work piece location chassis, the mode that adopts the shaft hole counterpoint between the push down subassembly guarantees the axiality, improve the qualification rate that the pressure equipment of compensation jar targets in place, avoid cutting edge because of the adhesive tape that the slope installation of compensation jar leads to, and this kind of pressure equipment frock design is simple, save the processing cost.
Drawings
Fig. 1 is a structural diagram of a press-fitting tool for a transmission driven pulley compensation cylinder provided by an embodiment of the present invention;
fig. 2 is a structural diagram of a screw rotating pressing block of a pressing tool of a transmission driven pulley compensation cylinder provided by the embodiment of the invention;
fig. 3 is a structural diagram of an extension cylinder of a press fitting tool of a transmission driven pulley compensation cylinder provided by the embodiment of the invention;
fig. 4 is a structural diagram of a press fitting barrel of a press fitting tool of a transmission driven pulley compensation cylinder provided by the embodiment of the utility model.
Detailed Description
Reference numerals: the method comprises the steps of 1, a base 2, a workpiece positioning chassis 3, a screw rod 4, a screw rod rotating pressing block 5, a nut cushion block 6, an extension cylinder 7, a press-mounting cylinder 8, a rocker arm 9, a transverse plate 10, a first upright post 11, a second upright post 12, a positioning hole 13, a limiting boss 14, an extension cylinder mounting hole 15 and a threaded hole.
Fig. 1-4 show a pair of pressure equipment frock of derailleur driven pulley compensation jar, pressure equipment frock includes base 1, sets up work piece location chassis 2 that is used for placing the driven pulley assembly on the base 1 sets up fixed bolster on the base 1, and sets up the subassembly that pushes down on the fixed bolster, the subassembly that pushes down includes threaded connection the screw rod 3 of fixed bolster sets up 3 bottoms of screw rod and with the rotatory piece 4 that applys of the screw rod that 3 screw rods are connected, the contact is connected the rotatory nut cushion 5 of the piece 4 that applys of screw rod, the contact is connected the extension section of thick bamboo 6 of nut cushion 5, and be used for inserting and establish the pressure equipment section of thick bamboo 7 that extends 6 bottoms of a section of thick bamboo and be used for pushing down the compensation jar.
The press-fitting tool further comprises a rocker arm 8 which is detachably connected to the top end of the screw rod 3 and used for rotating the screw rod 3 to move up and down.
The fixed bolster is including being used for threaded connection diaphragm 9 of screw rod 3, and set up and be in diaphragm 9 both ends are used for fixing diaphragm 9 and with first stand 10 and second stand 11 that base 1 is connected.
One end of the press-fitting cylinder 7 is provided with an extension cylinder mounting hole 14 for mounting the extension cylinder 6.
The extension cylinder 6 is an I-shaped cylindrical extension cylinder.
The screw rotating pressing block 4 is a round screw rotating pressing block which is in an inverted T shape and is provided with a threaded hole for connecting the screw.
The workpiece positioning chassis 2 is provided with a positioning hole 12 for positioning the driven pulley assembly, and the edge of the workpiece positioning chassis 2 is provided with a limiting bulge 13 for limiting the driven pulley assembly.
The workpiece positioning chassis 2 is integrally of a circular structure.
The bottom of the screw rod rotation pressurizing block 4 is provided with a nut cushion block placing groove (not shown in the figure) for being in contact connection with the nut cushion block 5, and the bottom of the nut cushion block 5 is provided with an extension barrel placing groove (not shown in the figure) for being in contact connection with the extension barrel 6. The nut cushion block 5 is a hexagonal nut cushion block.
The central axes of the screw rod 3, the screw rod rotating pressing block 4, the nut cushion block 5, the extension cylinder 6 and the press-loading cylinder 7 in the pressing component are all on the same straight line.
When the device is used, a driven wheel assembly with a driven wheel piston pressed is taken out of the device, the driven wheel assembly is transferred to a workpiece positioning chassis 1, a compensation cylinder is placed at the upper end of the driven wheel piston, the outer wall of a driven pulley oil cylinder is in contact with a positioning hole 12 to play a positioning role at the moment, the outer edge of the driven pulley oil cylinder is in contact with a limiting bulge 13 to enable the limiting bulge 13 to play a role in limiting the driven pulley oil cylinder, a pressing cylinder 7, an extension cylinder 6 and a nut cushion block 5 are sequentially placed on the compensation cylinder, a rocker arm 8 is rotated to drive a screw rod 3 and a screw rod rotation pressing block 4 connected with the rocker arm to descend to be in contact with the nut cushion block 5, and in order to achieve vertical pressing, central axes of the screw rod 3, the screw rod rotation pressing block 4, the nut cushion block 5, the extension cylinder 6 and the pressing cylinder 7 are required to be in the same straight line, and a threaded hole 15 is formed in the screw rod rotation pressing block 4 to ensure The nut cushion block placing groove is arranged at the bottom of the screw rod rotating pressing block 4, so that the central axes of the screw rod rotating pressing block 4 and the nut cushion block 5 are on the same straight line, the central axes of the nut cushion block 5 and the extension cylinder 6 are on the same straight line by arranging the extension cylinder placing groove at the bottom of the nut cushion block 5, the central axes of the press-fitting cylinder 7 and the extension cylinder 6 are on the same straight line by arranging the extension cylinder mounting hole 14 on the press-fitting cylinder 7, thereby realizing that the central axes of the screw rod 3, the screw rod rotating pressing block 4, the nut cushion block 5, the extension cylinder 6 and the pressing cylinder 7 are all on the same straight line, and then, rotating the rocker arm 8, pressing down the compensation cylinder for a certain distance, installing a check ring of the compensation cylinder, rotating the rocker arm 8 in the opposite direction after confirming that the check ring is installed in place, lifting the screw rod to rotate the pressure applying block 4, and detaching the pressure applying assembly to complete installation.
The whole press-fitting tool comprises a base 1, four support legs are arranged at the lower end of the base 1, and the base 1 is fixed through bolt connection; the workpiece positioning chassis 2 is fixed on the base 1 through four bolts; the two upright columns, the base 1 and the transverse plate 9 jointly form an external frame of the tool, and the upright columns are connected with the transverse plate 9 through fixing nuts; the lower end of the screw rod 3 is connected with the screw rod rotating pressing block 4 through threads, the upper end of the screw rod 3 is connected with the rocker arm 8 in a pin hole mode, the screw rod 3 plays a role in torque transmission, and the screw rod 3 penetrates through the middle of the transverse plate 9.
When the compensation cylinder is pressed, the driven belt pulley assembly is placed on the workpiece positioning chassis 2, after the compensation cylinder is installed, the pressing cylinder 7, the extension cylinder 6 and the nut cushion block 5 are sequentially placed, the central axes of the three parts are ensured to be on the same straight line, the rocker arm 8 is rotated, the screw rod 3 and the screw rod rotating pressing block 4 are driven to descend to be in contact with the nut cushion block 5, then the rocker arm 8 is rotated by a proper angle to enable the pressing depth of the compensation cylinder to be in place, the check ring is clamped into a gap between the compensation cylinder and the belt pulley oil cylinder by using a tool, the rocker arm 8 is rotated in the opposite direction after the check ring is installed in place, the screw rod rotating pressing block 4 is lifted, and the pressing.
Adopt this kind of pressure equipment frock can drive the screw rod rotation mode through the rotatory rocking arm of manpower and produce enough big holding down force, guarantee that driven compensation jar can press to required degree of depth, can keep compensation jar rigidity simultaneously, make things convenient for the retaining ring to install in place, the work piece is placed on work piece location chassis, the mode that adopts the shaft hole counterpoint between the push down subassembly guarantees the axiality, improve the qualification rate that the pressure equipment of compensation jar targets in place, avoid cutting edge because of the adhesive tape that the slope installation of compensation jar leads to, and this kind of pressure equipment frock design is simple, save the processing cost.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a pressure equipment frock of derailleur driven pulley compensation jar which characterized in that: the press fitting tool comprises a base, a workpiece positioning chassis, a fixed support and a pressing component, wherein the workpiece positioning chassis is arranged on the base and used for placing a driven belt pulley assembly, the fixed support is arranged on the base, the pressing component is arranged on the fixed support and comprises a screw rod which is in threaded connection with the fixed support, the screw rod bottom end is arranged on the screw rod, the screw rod is connected with a screw rod rotating pressing block, the screw rod is in contact connection with a nut cushion block of the screw rod rotating pressing block, the nut cushion block is in contact connection with an extending cylinder of the nut cushion block, and the pressing cylinder is used for inserting the extending cylinder bottom end and used for pressing a compensation cylinder.
2. A press-fitting tool according to claim 1, further comprising a rocker arm detachably connected to a top end of the screw for rotating the screw up and down.
3. A press fitting tool according to claim 2, wherein the fixing bracket comprises a transverse plate for being in threaded connection with the screw, and a first upright and a second upright which are arranged at two ends of the transverse plate and used for fixing the transverse plate and are connected with the base.
4. A press fitting tool according to claim 3, wherein one end of the press fitting cylinder is provided with an extension cylinder mounting hole for mounting the extension cylinder.
5. A press fitting tool according to claim 4, wherein the extension cylinder is an I-shaped cylindrical extension cylinder.
6. A press fitting tool according to claim 5, wherein the screw rotating pressing block is a circular screw rotating pressing block in an inverted T shape with a threaded hole for connecting the screw.
7. A press-fitting tool according to any one of claims 1 to 6, wherein the workpiece positioning chassis is provided with a positioning hole for positioning the driven pulley assembly, and a limiting projection for limiting the driven pulley assembly is arranged at the edge of the workpiece positioning chassis.
8. A press fitting tool according to claim 7, wherein the workpiece positioning chassis is of a circular structure as a whole.
9. A press fitting tool according to claim 8, wherein the bottom of the screw rod rotation pressing block is provided with a nut block placing groove for contact connection with the nut block, and the bottom of the nut block is provided with an extension barrel placing groove for contact connection with the extension barrel.
10. A press fitting tool according to claim 9, wherein central axes of the screw, the screw rotary pressing block, the nut block, the extension cylinder and the press fitting cylinder in the pressing assembly are all on the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922028565.1U CN211490357U (en) | 2019-11-21 | 2019-11-21 | Press fitting tool for driven pulley compensation cylinder of transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922028565.1U CN211490357U (en) | 2019-11-21 | 2019-11-21 | Press fitting tool for driven pulley compensation cylinder of transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211490357U true CN211490357U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922028565.1U Active CN211490357U (en) | 2019-11-21 | 2019-11-21 | Press fitting tool for driven pulley compensation cylinder of transmission |
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| Country | Link |
|---|---|
| CN (1) | CN211490357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894710A (en) * | 2021-03-26 | 2021-06-04 | 佛山市通润热能科技有限公司 | Close-fitting installation push-in device |
-
2019
- 2019-11-21 CN CN201922028565.1U patent/CN211490357U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894710A (en) * | 2021-03-26 | 2021-06-04 | 佛山市通润热能科技有限公司 | Close-fitting installation push-in device |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20210918 Address after: 545007 No.1, Che Yuan Heng Er Road, Yufeng District, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee after: Liuzhou Saike Technology Development Co.,Ltd. Address before: 545007 office building 208, No.2, Liudong standard workshop, No.2, Shuiwan Road, Liudong New District, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee before: LIUZHOU SAIC AUTO TRANSMISSION Co.,Ltd. LIUDONG BRANCH |