CN110977390A - Drum-shaped spring press-fit tool for parking cylinder - Google Patents
Drum-shaped spring press-fit tool for parking cylinder Download PDFInfo
- Publication number
- CN110977390A CN110977390A CN201911379766.4A CN201911379766A CN110977390A CN 110977390 A CN110977390 A CN 110977390A CN 201911379766 A CN201911379766 A CN 201911379766A CN 110977390 A CN110977390 A CN 110977390A
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- guide
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- parking cylinder
- parking
- spring press
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- 238000003825 pressing Methods 0.000 claims abstract description 37
- 239000013585 weight reducing agent Substances 0.000 claims description 2
- 208000016261 weight loss Diseases 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000036544 posture Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Abstract
The invention discloses a drum-shaped spring press-fit tool for a parking cylinder. The parking cylinder body can be fixedly connected with the mounting plate after being placed on the bottom plate, two guide columns are symmetrically arranged on two sides of the top of the mounting plate, a guide plate capable of sliding on the two guide columns in a reciprocating mode is sleeved between the two guide columns, and a limiting block located between the guide plate and the mounting plate is further sleeved on each guide column. The advantages are that: the drum spring press mounting device has the advantages that the structural design is ingenious, the loading, the unloading and the pressing are very convenient, the safety and the reliability are very high, the drum spring cylinder body and the cylinder cover can be parked in the drum spring press mounting process to keep the correct installation posture, the drum spring press mounting device is convenient to install in cooperation with the unit cylinder intermediate, the assembly accuracy is greatly improved, the assembly quality is guaranteed, the whole volume can be reduced to meet the requirements of an assembly production line, the drum spring press mounting device can be used on an automatic assembly line for parking cylinders, and the working efficiency is further improved.
Description
Technical Field
The invention relates to a parking cylinder assembly auxiliary tool of a brake clamp for a railway vehicle, in particular to a drum-shaped spring press-fit tool of a parking cylinder, and belongs to the technical field of mechanical tool fixtures.
Background
When a parking cylinder of a railway vehicle is installed, as a drum spring provides braking force when the vehicle is parked, the spring force of the drum spring is large, and press fitting is difficult; in the prior art, a tool is generally designed by adopting a screw lead screw principle to press and mount a drum spring, and during press mounting, the screw is manually rotated to convert the rotation motion of the screw into downward press mounting motion; meanwhile, the tool is generally large in size, the press-fitting posture of the drum-shaped spring cannot be guaranteed, the production efficiency is low, the tool is not easy to realize on an automatic assembly line, and the automatic installation of the whole set of parking cylinder is limited.
Disclosure of Invention
The invention aims to solve the technical problem of providing a drum-shaped spring press-fit tool for a parking cylinder, which has the advantages of convenience in pressing, high operation efficiency, safety, reliability and low labor intensity and can ensure that a cylinder body and a cylinder cover of the parking cylinder keep correct installation postures.
In order to solve the technical problem, the drum-shaped spring press-fit tool for the parking cylinder comprises a bottom plate for placing a cylinder body of the parking cylinder and a mounting plate arranged above the bottom plate, the cylinder body of the parking cylinder can be fixedly connected with the mounting plate after being placed on the bottom plate, two guide posts are symmetrically arranged on two sides of the top of the mounting plate, a guide plate capable of sliding on the two guide posts in a reciprocating mode is sleeved between the two guide posts, a limiting block positioned between the guide plate and the mounting plate is further sleeved on each guide post, and the cylinder body of the parking cylinder can be pressed and mounted by means of the guide posts after a cylinder cover is placed on the cylinder body of the parking cylinder.
The guide plate is characterized in that a guide pressing block with a guide hole is fixedly arranged below the middle of the guide plate, a threaded sleeve corresponding to the position of the guide pressing block is arranged in the center of the parking cylinder cover, and a guide shaft capable of being in sliding fit is arranged between the guide hole of the guide pressing block and an inner hole of the threaded sleeve.
The guide pressing block comprises a cylinder body and a pressing plate connected to the bottom end of the cylinder body, arc-shaped faces are arranged on two sides of the pressing plate, the length of the pressing plate is smaller than or equal to the outer diameter of a parking cylinder cover, through holes matched with two guide pillars on the parking cylinder cover are formed in the pressing plate, and the two guide pillars on the parking cylinder cover are limited in the through holes.
One of the two guide posts is a short guide post, and the other guide post is a long guide post.
Every all install solid fixed ring on the guide post.
Each guide post is further sleeved with a bushing positioned between the fixing ring and the guide plate.
The mounting plate has a weight-reducing slot.
The guide plate is provided with a blind hole corresponding to the guide hole of the guide pressing block, and the length of the guide shaft is smaller than the sum of the lengths of the guide hole and the blind hole.
The invention has the advantages that:
the fixed connection of the press-mounting tool and the cylinder body is realized by the structural characteristics of the cylinder body of the parking cylinder, the axial positioning is realized by the guide shaft arranged in the tool and the threaded sleeve in the cylinder cover component of the parking cylinder, the radial positioning is realized by the sleeving of the guide pressing block arranged in the tool, the short guide post and the long guide post, so the positioning is simple, reliable and accurate, the positions of other parts are also accurately determined after the drum spring is pressed in place, the structure design is ingenious, the assembly, disassembly and pressing are very convenient, the safety and reliability are very high, the cylinder body and the cylinder cover of the parking cylinder can keep correct installation postures in the press-mounting process of the drum spring, the installation with the cooperation of a unit cylinder intermediate body is convenient, the assembly accuracy is greatly improved, the assembly quality is ensured, and the overall volume of the tool can be reduced to meet the requirements of an automatic assembly production line, therefore, the automatic assembling line for the parking cylinder can be used, and the working efficiency is further improved.
Drawings
FIG. 1 is a schematic perspective view of a drum spring press-fit tool for a parking cylinder according to the present invention;
FIG. 2 is a schematic structural view of a drum spring press-fit tool of the parking cylinder according to the present invention;
FIG. 3 is a cross-sectional view of structure D-D of FIG. 2;
FIG. 4 is a schematic diagram of a top view of a drum spring press-fit tool for a parking cylinder according to the present invention;
wherein: 1. the base plate, 2, swivel nut, 3, mounting panel, 4, guide shaft, 5, direction briquetting, 6, guide beam, 7, oil-free bush, 8, solid fixed ring, 9, guide post, 10, stopper, 11, hexagon head bolt M8 x 20, 12, hexagon head bolt M8 x 15, 13, hexagon head bolt M10 x 30, 14, hexagon head bolt M12 x 40, 20, park the cylinder block, 21, short guide pillar, 22, long guide pillar, 23, park the cylinder cap.
Detailed Description
The drum spring press-fitting tool of the parking cylinder according to the present invention will be described in further detail with reference to the accompanying drawings and embodiments.
As shown in the figure, the drum-shaped spring press-fit tool for the parking cylinder comprises a bottom plate 1 for placing a cylinder body 20 of the parking cylinder and a mounting plate 3 arranged above the bottom plate 1, wherein the bottom plate 1 is a rectangular steel plate, 4 through holes are formed in the periphery of the bottom plate and used for being connected with a press-fitting workbench of a press machine or a tray of an automatic assembly line, the drum-shaped spring press-fit tool has a supporting effect, as shown in figure 3, a boss can be additionally arranged on one side of the bottom plate to play a limiting and positioning effect, 4M 12 threaded through holes are symmetrically formed in the mounting plate 3, the cylinder body 20 of the parking cylinder is connected with the mounting plate 3 through 4 hexagonal bolts 14 after being placed on the bottom plate, two guide columns 9 are symmetrically arranged on two sides of the top of the mounting plate 3, the mounting plate 3 and the guide columns 9 are connected through the hexagonal bolts, a limiting block 10 is sleeved on each guide column 9, a guide plate 6, each guide post 9 is also sleeved with a limiting block 10 positioned between the guide plate 6 and the mounting plate 3, the lowest position of the downward movement of the guide plate 6 is limited by the limiting block 10, the position is also the in-place limit of the press mounting of the drum spring, meanwhile, the 2 guide posts 9 are provided with fixing rings 8, the fixing rings 8 are fixedly mounted, when the press mounting force suddenly fails during the press mounting, the limiting protection effect can be realized, accidents are avoided, oil-free bushes 7 can be sleeved on the guide posts 9 between the fixing rings 8 and the guide plate 6 to play a role of spacing, the oil-free bushes 7 and the guide plate 6 are connected into a whole by using a hexagon head bolt 12, the guide pressing block 5 with a guide hole is connected at the lower central part of the guide plate 6 by using the hexagon head bolt 11, the screw sleeve 2 is arranged at the center of the parking cylinder cover 23, the guide hole of the guide pressing block 5 corresponds to the position of the screw sleeve 2, and a guide shaft 4 which can be in sliding fit is arranged between the guide hole of the guide pressing, the guide hole of the guide pressing block 5 can accommodate the guide shaft 4 to slide in the guide hole, one end of the guide shaft 4 is sleeved in the inner hole of the guide pressing block 5, the other end of the guide shaft 4 is sleeved in the inner hole of the threaded sleeve 2 in the part of the parking cylinder cover 23 to achieve the positioning of the press fitting tool and the part of the parking cylinder cover 23 in the axial direction, the guide pressing block 5 comprises a cylinder body and a pressing plate connected to the bottom end of the cylinder body, arc surfaces are arranged on two sides of the pressing plate, the length of the pressing plate is smaller than or equal to the outer diameter of the parking cylinder cover 23, the size of the part (pressing plate) of the guide pressing block 5 pressed with the cylinder cover part is smaller than or consistent with the outer diameter of the cylinder cover, the collision interference with the inner wall of the parking cylinder 20 during the press fitting of the cylinder body is guaranteed, 2 through holes matched with, two guide posts on the parking cylinder cover 23 are limited in the through hole, and the parking cylinder cover 23 is placed on the parking cylinder body 20 and then can be pressed and mounted by the guide of the guide posts 9.
Furthermore, one of the two guide posts is a short guide post 21, the other guide post is a long guide post 22, the fixing ring 8 can adopt a standard component, and limit protection height requirements of press mounting of drum springs with different specifications are limited according to different drum spring press mounting requirements, in addition, in order to reduce weight, the appearance of the mounting plate 3 can be subjected to light weight treatment under the condition that connection and support are not affected, for example, a weight reduction groove can be arranged on the mounting plate 3, in order to ensure that the guide shaft 4 has enough space, a blind hole corresponding to a guide hole of the guide pressing block 5 can be arranged on the guide plate 6, the length of the guide shaft 4 is smaller than that of a hole formed by the guide pressing block 5 and the guide plate 6, and enough space redundancy is required.
The principle is as follows:
when the parking cylinder presses and installs the drum spring, firstly fixing the bottom plate 1 on a press-installing workbench or a tray of an automatic assembly line, placing a cylinder body of the parking cylinder on the bottom plate 1, sequentially placing parts of the parking cylinder such as the drum spring, a cylinder cover part and the like on the bottom plate 1, placing the mounting plate 3 on the end surface of the cylinder body of the parking cylinder, connecting the cylinder body of the parking cylinder and the mounting plate 3 by using 4M 12 bolts after adjustment, wherein the drum spring is in a free state, the guide plate 6 is contacted with or close to the fixing ring 8 through the oilless bush 7, the guide shaft 4 is inserted into the screw sleeve 2 and slowly presses down, when the guide shaft 4 enters the inner hole of the guide pressing block 5, the drum spring continues to slowly press down, when one of two holes at the lower part of the guide pressing block 5 can be contacted with the long guide post 22, the adjustment alignment is carried out, when the long guide post 22 and the short guide post 21 both enter 2 holes at the lower part of, can slowly press fitting stopper 10, the pressure equipment targets in place this moment, after installing the cylinder cap retaining ring, slowly withdraw from the pressure equipment, pull down mounting panel 3 and park 4M 12 bolts that the jar cylinder body is connected, hang down the frock, park the jar at this moment and press the drum shape spring to accomplish, can carry out follow-up installation.
Claims (8)
1. The utility model provides a park drum-shaped spring pressure of jar and press frock which characterized in that: including bottom plate (1) and mounting panel (3) that bottom plate (1) top was set up that are used for placing parking cylinder body (20), park cylinder body (20) place on the bottom plate after can with mounting panel (3) fixed connection the top both sides of mounting panel (3) have two guide posts (9) of symmetrical arrangement, two the cover has one can be on two guide posts reciprocating sliding deflector (6), every on guide post (9) still the cover have stopper (10) that are located between deflector (6) and mounting panel (3), park cylinder body (20) and place the direction that can utilize guide post (9) after parking cylinder cap (23) and carry out the pressure equipment.
2. The parking cylinder drum spring press-fit tool according to claim 1, characterized in that: the guide plate is characterized in that a guide pressing block (5) with a guide hole is fixedly installed below the middle of the guide plate (6), a threaded sleeve (2) corresponding to the position of the guide pressing block (5) is arranged at the center of the parking cylinder cover (23), and a guide shaft (4) capable of being in sliding fit is arranged between the guide hole of the guide pressing block (5) and an inner hole of the threaded sleeve (2).
3. The parking cylinder drum spring press-fit tool according to claim 2, characterized in that: the guide pressing block (5) comprises a cylinder body and a pressing plate connected to the bottom end of the cylinder body, arc-shaped faces are arranged on two sides of the pressing plate, the length of the pressing plate is smaller than or equal to the outer diameter of a parking cylinder cover (23), a through hole matched with two guide pillars on the parking cylinder cover (23) is formed in the pressing plate, and the two guide pillars on the parking cylinder cover (23) are limited in the through hole.
4. The parking cylinder drum spring press-fit tool according to claim 3, characterized in that: one of the two guide posts is a short guide post (21), and the other guide post is a long guide post (22).
5. The parking cylinder drum spring press-fit tool according to any one of claims 1 to 4, wherein: each guide post (9) is provided with a fixing ring (8).
6. The parking cylinder drum spring press-fit tool according to claim 7, characterized in that: each guide post (9) is also sleeved with a bushing (7) positioned between the fixed ring (8) and the guide plate (6).
7. The parking cylinder drum spring press-fit tool according to claim 1, 2, 3, 4 or 6, characterized in that: the mounting plate (3) has a weight-reduction groove.
8. The parking cylinder drum spring press-fit tool according to claim 7, characterized in that: the guide plate (6) is provided with a blind hole corresponding to the guide hole of the guide pressing block (5), and the length of the guide shaft (4) is smaller than the sum of the lengths of the guide hole and the blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911379766.4A CN110977390A (en) | 2019-12-27 | 2019-12-27 | Drum-shaped spring press-fit tool for parking cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911379766.4A CN110977390A (en) | 2019-12-27 | 2019-12-27 | Drum-shaped spring press-fit tool for parking cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110977390A true CN110977390A (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911379766.4A Pending CN110977390A (en) | 2019-12-27 | 2019-12-27 | Drum-shaped spring press-fit tool for parking cylinder |
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| Country | Link |
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| CN (1) | CN110977390A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1147745A (en) * | 1966-03-30 | 1969-04-02 | Vuma Vyskumny Ustav Mechanizic | Shift-in head for automatic assembly lines |
| DE3710296A1 (en) * | 1987-03-28 | 1988-10-13 | Fraunhofer Ges Forschung | Tool for guiding a flexible or pliant workpiece, in particular a tube |
| US5029385A (en) * | 1990-12-17 | 1991-07-09 | General Motors Corporation | Wheel assembly apparatus |
| CN108838653A (en) * | 2018-07-19 | 2018-11-20 | 浙江亚太机电股份有限公司 | A kind of device of push rod and circlip for hole while that assemble clutch master cylinder |
| CN208304330U (en) * | 2018-06-11 | 2019-01-01 | 东莞市腾飞五金模具有限公司 | Set and piston rod assembling mechanism in a kind of nitrogen gas spring |
| CN212191995U (en) * | 2019-12-27 | 2020-12-22 | 镇江市高等专科学校 | Drum-shaped spring press-fit tool for parking cylinder |
-
2019
- 2019-12-27 CN CN201911379766.4A patent/CN110977390A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1147745A (en) * | 1966-03-30 | 1969-04-02 | Vuma Vyskumny Ustav Mechanizic | Shift-in head for automatic assembly lines |
| DE3710296A1 (en) * | 1987-03-28 | 1988-10-13 | Fraunhofer Ges Forschung | Tool for guiding a flexible or pliant workpiece, in particular a tube |
| US5029385A (en) * | 1990-12-17 | 1991-07-09 | General Motors Corporation | Wheel assembly apparatus |
| CN208304330U (en) * | 2018-06-11 | 2019-01-01 | 东莞市腾飞五金模具有限公司 | Set and piston rod assembling mechanism in a kind of nitrogen gas spring |
| CN108838653A (en) * | 2018-07-19 | 2018-11-20 | 浙江亚太机电股份有限公司 | A kind of device of push rod and circlip for hole while that assemble clutch master cylinder |
| CN212191995U (en) * | 2019-12-27 | 2020-12-22 | 镇江市高等专科学校 | Drum-shaped spring press-fit tool for parking cylinder |
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