CN113770978A - Air spring disassembling method - Google Patents
Air spring disassembling method Download PDFInfo
- Publication number
- CN113770978A CN113770978A CN202111187953.XA CN202111187953A CN113770978A CN 113770978 A CN113770978 A CN 113770978A CN 202111187953 A CN202111187953 A CN 202111187953A CN 113770978 A CN113770978 A CN 113770978A
- Authority
- CN
- China
- Prior art keywords
- air
- spring
- air bag
- auxiliary spring
- air spring
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/30—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same positioning or withdrawing springs, e.g. coil or leaf springs
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/56—Reuse, recycling or recovery technologies of vehicles
Abstract
The air spring disassembling method is characterized in that the air spring sequentially comprises an upper cover plate, an air bag and an auxiliary spring from top to bottom, and the air spring disassembling method comprises the following steps: the air spring is firstly placed into a disassembling tool capable of restraining the expansion of the air bag, then the air bag is inflated to increase the internal pressure of the air bag, and the lower opening of the air bag is turned outwards along with the increase of the internal pressure of the air bag to be separated from the auxiliary spring. The auxiliary spring and the air bag are automatically separated, so that the damage caused by knocking or colliding of foreign objects on the air bag seam allowance and the auxiliary spring in the maintenance and separation processes is effectively avoided, the process of paint supplement of the auxiliary spring in maintenance is reduced, the reutilization rate of parts is improved, the maintenance and separation efficiency is improved, the auxiliary spring is effectively protected, and the reliability and the safety of the separation operation are improved.
Description
Technical Field
The invention relates to an air spring disassembling method which is used for disassembling an air spring during maintenance.
Background
An air spring for a rail transit vehicle comprises a cover plate, an air bag and an auxiliary spring from top to bottom as shown in figure 1, wherein the cover plate is in sealing fit with an upper seam allowance of the air bag through a retaining ring, the auxiliary spring is in sealing fit with a lower seam allowance of the air bag through a conical surface, and an air spring system is used as a secondary rubber vibration damping part of the rail transit vehicle and is greatly influenced by operation time and operation environment. Many air springs all need to be dismantled and overhauled when overhauing, and most operation official will choose to change the whole air spring system to air spring that is changed is scrapped and is handled, and this kind of processing mode has caused very big waste. In fact, part of the metal parts can be continuously used, and if only part of the parts are replaced, the overhaul cost can be reduced, and the utilization rate of resources can be improved.
The existing common air spring overhauling and splitting method comprises the following steps: when splitting gasbag and auxiliary spring, suspend in midair with the driving lifting rope with air spring upper cover plate and raise, then insert the position of tang and auxiliary spring cooperation under the gasbag with no sharp limit crowbar, strike the crowbar with the rubber hammer around the circumference, disassemble the tang and the auxiliary spring separation under the gasbag. The method has the advantages of simple operation and high disassembly efficiency; the air bag mouth rubber and the paint on the surface of the auxiliary spring are damaged by the crowbar, the steel ring of the air bag mouth deforms, and the safety risk of smashing operators is easily caused by the fact that the auxiliary spring is heavier when the auxiliary spring is separated from the air bag mouth. The research on the air spring overhaul aspect is not refined to the replacement level of components basically, and only the research is carried out on the assembled air spring system or the overhaul of products in operation. Therefore, in order to improve the utilization rate of the air spring component and reduce the overhaul cost of an overhaul enterprise, the understanding of the structure of the air spring and the disassembling and assembling process have very important guiding significance on deep overhaul and later maintenance of the air spring component.
Disclosure of Invention
According to the air spring splitting method provided by the invention, the auxiliary spring and the air bag are automatically split, so that the damage caused by knocking or colliding of foreign objects on the air bag seam allowance and the auxiliary spring in the overhauling and splitting processes is effectively avoided, the process of paint supplementing of the auxiliary spring in overhauling is reduced, the recycling rate of parts is improved, the overhauling and splitting efficiency is improved, the auxiliary spring is effectively protected, and the reliability and the safety of splitting operation are improved.
In order to achieve the purpose, the invention adopts the technical scheme that:
the air spring disassembling method is characterized in that the air spring sequentially comprises an upper cover plate, an air bag and an auxiliary spring from top to bottom, and the air spring disassembling method comprises the following steps: the air spring is firstly placed into a disassembling tool capable of restraining the expansion of the air bag, then the air bag is inflated to increase the internal pressure of the air bag, and the lower opening of the air bag is turned outwards along with the increase of the internal pressure of the air bag to be separated from the auxiliary spring.
Preferably, the air spring is placed into the disassembling tool along the vertical direction, and the auxiliary spring moves downwards along with the eversion of the lower seam allowance of the air bag under the action of gravity and is automatically disassembled from the air bag.
Preferably, the upper cover plate is supported on the disassembling tool to enable the air spring to be vertically positioned in the disassembling tool, and the disassembling tool guides and limits the downward movement of the auxiliary spring.
Preferably, the disassembling tool comprises a restraining seat capable of restraining the expansion of the air bag and a separating and butting table butted with an auxiliary spring, the air spring is supported in the restraining seat, the restraining seat is arranged on the separating and butting table, and the auxiliary spring moves downwards and falls into the separating and butting table.
Preferably, the restraint seat in open and to have along the inner chamber of vertical setting, the inner chamber is including supporting the support ring face of upper cover plate, with gasbag complex bloated restraint chamber and with the corresponding whereabouts chamber of auxiliary spring, support ring face, bloated restraint chamber and whereabouts chamber from last to setting gradually down, support the buckle of ring face and upper cover plate bottom and offset, the outer profile after the interior wall chamber face in bloated restraint chamber and the gasbag aerifys cooperatees, the internal diameter in whereabouts chamber is greater than auxiliary spring's maximum external diameter.
Preferably, the separation butt joint platform is provided with a guide blind hole matched with the bottom of the auxiliary spring, and the bottom of the auxiliary spring extends into the guide blind hole and moves along the guide blind hole along with the separation of the auxiliary spring and the air bag.
Preferably, the top surface of the cover plate is lower than the top surface of the constraint seat, a sealing rubber cushion layer is arranged on the top surface of the cover plate in an auxiliary mode, the top surface of the sealing rubber cushion layer is slightly higher than the top surface of the constraint seat, and an inflation pressure plate in butt joint with an inflation tube of the air pump is pressed on the sealing rubber cushion layer.
Preferably, the inflation pressure plate is provided with an inflation port which is butted with the inflation tube, and the air inlet of the upper cover plate extends into the inflation port.
Preferably, a microswitch connected with the air pump switch is arranged at the bottom of the guide blind hole, and the microswitch sends a signal to the air pump switch along with the pressing-down of the bottom of the auxiliary spring to control the air pump switch to be closed and stop inflating the air bag.
The invention has the beneficial effects that:
according to the air spring splitting method, the air spring is placed into the disassembling tool capable of restraining the air bag from bulging, the air bag is inflated, the air bag is restrained from bulging, so that the transverse expansion of the air bag is limited, the internal pressure of the air bag is increased, the air pressure can push the lower opening of the air bag to be outwards turned out to be separated from the auxiliary spring, the auxiliary spring is automatically split from the air bag, the damage caused by knocking or colliding of foreign objects on the opening of the air bag and the auxiliary spring in the overhauling and splitting processes is effectively avoided, the paint supplementing process of the auxiliary spring in the overhauling process is reduced, the recycling rate of parts is improved, and the overhauling and splitting efficiency is improved.
Dismantle the frock and include restraint seat and separation butt joint platform, air spring follows vertical setting in restraint seat, son mouth turns up under the effect of pressure and in the separation of auxiliary spring under the gasbag, auxiliary spring falls to the separation butt joint bench under the effect of gravity, guarantee the security of auxiliary spring split, auxiliary spring bottom stretches into the separation and butts the direction blind hole of platform when not split in, it leads and is spacing to auxiliary spring's whereabouts through the direction blind hole, effectively protect auxiliary spring, the reliability and the security of split operation are improved.
Drawings
Fig. 1 is a schematic structural view of a prior art air spring.
FIG. 2 is a schematic diagram of the assembly of the disassembly tool, the inflatable pressure plate and the air spring.
Detailed Description
An embodiment of the present invention will be described in detail with reference to fig. 1.
The air spring disassembling method is characterized in that the air spring sequentially comprises an upper cover plate 1, an air bag 2 and an auxiliary spring 3 from top to bottom: firstly, the air spring is placed into a disassembling tool 4 capable of restraining the expansion of the air bag, then the air bag 2 is inflated to increase the internal pressure of the air bag, and the lower seam allowance of the air bag 2 is turned outwards along with the increase of the internal pressure of the air bag to be separated from the auxiliary spring 3.
The air spring splitting method comprises the steps of putting an air spring into a disassembling tool 4 capable of restraining air bag expansion, inflating an air bag 2, restraining the expansion of the air bag 2, limiting the transverse expansion of the air bag 2, increasing the pressure in the air bag 2, pushing a sub-port of the air bag to outwards turn out and separate from an auxiliary spring 3 by air pressure, splitting the auxiliary spring 3 and the air bag 2, effectively avoiding damage caused by knocking or colliding of foreign objects in the process of overhauling and splitting the sub-port of the air bag and the auxiliary spring, reducing the process of supplementing paint by the auxiliary spring during overhauling, improving the reutilization rate of parts, and improving the efficiency of overhauling and splitting.
Wherein, air spring is along putting into dismantling frock 4 along vertical, and auxiliary spring 3 moves down along with turning up of gasbag end opening under the effect of gravity, with the automatic split of gasbag 2. The air spring is vertically placed, so that the auxiliary spring 3 automatically falls down when the sub-opening is turned outwards under the air bag, time and labor are saved, and the falling sound of the auxiliary spring 3 is heard during the splitting process, so that the air spring can be judged to be split.
Wherein, upper cover plate 1 supports on dismantling frock 4 and makes air spring along vertical location in dismantling the frock, dismantles frock 4 and leads and spacing to auxiliary spring's downward motion. Upper cover plate 1 supports and makes gasbag 2 and auxiliary spring 3 unsettled, but guarantees auxiliary spring 3 free fall when the seam allowance turns up under the gasbag, it leads and is spacing to auxiliary spring 3's whereabouts to dismantle frock 4, avoid turning on one's side after auxiliary spring 3 falls, make auxiliary spring 3 still follow vertical setting after the split, and inject auxiliary spring 3's height that falls, effective protection auxiliary spring 3 is not damaged when the split, the reliability and the security of split are higher.
The disassembling tool 4 comprises a restraining seat 41 capable of restraining the expansion of the air bag and a separating butt joint table 42 in butt joint with the auxiliary spring 3, the air spring is supported in the restraining seat 41, the restraining seat 42 is arranged on the separating butt joint table 42, and the auxiliary spring 3 moves downwards and falls into the separating butt joint table 42. The restraining seat 41 plays a role in vertically positioning the air spring and restraining the air bag 2 from expanding, so that after high-pressure air enters the air bag 2, the air bag cannot expand transversely, and the lower seam allowance of the air bag is turned outwards to be separated from the auxiliary spring 3.
Wherein, the restriction seat 41 in open and to have along the inner chamber of vertical setting, the inner chamber is including supporting the support ring face 411 of upper cover plate, with gasbag 2 complex bloated restraint chamber 414 and with the corresponding whereabouts chamber 413 of auxiliary spring 3, support ring face 411, bloated restraint chamber 412 and whereabouts chamber 413 set gradually from last to bottom, support ring face 411 offsets with the buckle of upper cover plate 1 bottom, the outer profile after the interior wall cavity face of bloated restraint chamber 412 and gasbag 2 aerify cooperatees, the internal diameter of whereabouts chamber 413 is greater than the biggest external diameter of auxiliary spring 3. The supporting ring surface 411 is abutted to a retaining ring at the bottom of the upper cover plate 1, the air spring is vertically positioned in the restraint seat 41, the bulging restraint cavity 412 is attached to the outer wall of the air bag when the air bag 2 is inflated, the air bag is restrained from transversely expanding, the air bag is restrained from bulging, and the falling cavity 413 does not interfere with the falling of the auxiliary spring 3.
The separating butt joint table 42 is provided with a guide blind hole 421 matched with the bottom of the auxiliary spring, and the bottom of the auxiliary spring 3 extends into the guide blind hole 421 and moves along the guide blind hole 521 along with the separation of the auxiliary spring 3 and the air bag 2. The bottom of the auxiliary spring 3 extends into the guide blind hole 421 of the separation butt joint table when the auxiliary spring is not detached, the auxiliary spring 3 is guided and limited by the guide blind hole 421, the auxiliary spring 3 is effectively protected, and the reliability and the safety of the detaching operation are improved.
The top surface of the cover plate 1 is lower than the top surface of the restraint seat 41, the top surface of the cover plate 1 is provided with a sealing rubber cushion layer 5, the top surface of the sealing rubber cushion layer 5 is slightly higher than the top surface of the restraint seat 41, and an inflation pressure plate 6 butted with an inflation tube of the air pump is pressed on the sealing rubber cushion layer 5. The sealing rubber cushion layer 5 plays a role in sealing in the inflation process, and the air spring is further positioned by the inflation pressing plate 6, so that the air spring cannot be ejected upwards in the inflation process, and the lower opening of the air spring is enabled to be turned outwards smoothly and separated from the auxiliary spring 3 under the compression.
Wherein, the inflatable pressing plate 6 is provided with an inflation inlet 61 butted with an inflation tube, an air inlet of the upper cover plate 1 extends into the inflation inlet 61, high-pressure air is ensured to be directly inflated into the air bag 2 through the inflatable pressing plate 6, and the effectiveness and the efficiency of inflation are improved.
The bottom of the guide blind hole 421 is provided with a microswitch connected with the air pump switch, and the microswitch sends a signal to the air pump switch along with the pressing of the bottom of the auxiliary spring to control the air pump switch to be closed and stop inflating the air bag. The air pump is controlled to stop air delivery through signals sent by the micro switch, the automation level of the whole splitting process is improved, and the overhauling and splitting efficiency is further improved.
The technical solutions of the embodiments of the present invention are fully described above with reference to the accompanying drawings, and it should be noted that the described embodiments are only some embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Claims (9)
1. The air spring disassembling method is characterized in that the air spring sequentially comprises an upper cover plate, an air bag and an auxiliary spring from top to bottom, and the air spring disassembling method comprises the following steps: the air spring is firstly placed into a disassembling tool capable of restraining the expansion of the air bag, then the air bag is inflated to increase the internal pressure of the air bag, and the lower opening of the air bag is turned outwards along with the increase of the internal pressure of the air bag to be separated from the auxiliary spring.
2. The air spring disassembling method according to claim 1, characterized in that: the air spring is vertically placed in the disassembling tool, and the auxiliary spring moves downwards along with the eversion of the lower seam allowance of the air bag under the action of gravity and is automatically disassembled from the air bag.
3. The air spring disassembling method according to claim 2, characterized in that: the upper cover plate is supported on the disassembling tool to enable the air spring to be vertically positioned in the disassembling tool, and the disassembling tool guides and limits the downward movement of the auxiliary spring.
4. The air spring disassembling method according to claim 3, characterized in that: the disassembly tool comprises a restraining seat capable of restraining the expansion of the air bag and a separating and butting table butted with the auxiliary spring, the air spring is supported in the restraining seat, the restraining seat is arranged on the separating and butting table, and the auxiliary spring moves downwards and falls into the separating and butting table.
5. The air spring disassembling method according to claim 4, characterized in that: the restraint seat in open and to have along the inner chamber of vertical setting, the inner chamber is including supporting the support ring face of upper cover plate, with gasbag complex bloated restraint chamber and with the corresponding whereabouts chamber of auxiliary spring, support ring face, bloated restraint chamber and whereabouts chamber from last to setting gradually down, support the buckle of ring face and upper cover plate bottom and offset, the outer profile of the interior wall chamber face of bloated restraint chamber and gasbag after aerifing cooperatees, the internal diameter of whereabouts chamber is greater than auxiliary spring's maximum external diameter.
6. The air spring disassembling method according to claim 4, characterized in that: the separation butt joint platform is provided with a guide blind hole matched with the bottom of the auxiliary spring, and the bottom of the auxiliary spring extends into the guide blind hole and moves along the guide blind hole along with the separation of the auxiliary spring and the air bag.
7. The air spring disassembling method according to claim 4, characterized in that: the top surface of the cover plate is lower than the top surface of the constraint seat, a sealing rubber cushion layer is arranged on the top surface of the cover plate in an auxiliary mode, the top surface of the sealing rubber cushion layer is slightly higher than the top surface of the constraint seat, and an inflation pressing plate in butt joint with an inflation tube of the air pump is pressed on the sealing rubber cushion layer.
8. The air spring disassembling method according to claim 7, characterized in that: the inflatable pressing plate is provided with an inflation inlet which is butted with the inflation tube, and the air inlet of the upper cover plate extends into the inflation inlet.
9. The air spring disassembling method according to claim 6, characterized in that: the bottom of the guide blind hole is provided with a microswitch connected with the air pump switch, and the microswitch sends a signal to the air pump switch along with the pressing-down of the bottom of the auxiliary spring to control the air pump switch to be closed and stop inflating the air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111187953.XA CN113770978B (en) | 2021-10-12 | 2021-10-12 | Air spring disassembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111187953.XA CN113770978B (en) | 2021-10-12 | 2021-10-12 | Air spring disassembling method |
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| Publication Number | Publication Date |
|---|---|
| CN113770978A true CN113770978A (en) | 2021-12-10 |
| CN113770978B CN113770978B (en) | 2022-11-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111187953.XA Active CN113770978B (en) | 2021-10-12 | 2021-10-12 | Air spring disassembling method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0655368A2 (en) * | 1993-11-22 | 1995-05-31 | Bridgestone Corporation | Air bag unit and assembling method and apparatus therefor |
| US5458365A (en) * | 1993-08-03 | 1995-10-17 | Morton International, Inc. | Adjustable snap away fastener |
| KR20000060764A (en) * | 1999-03-19 | 2000-10-16 | 정몽규 | Air bag installing apparatus for air spring |
| CN101503002A (en) * | 2009-03-11 | 2009-08-12 | 宁波美亚达汽车部件制造有限公司 | Air spring press |
| CN104907812A (en) * | 2015-06-15 | 2015-09-16 | 上海工程技术大学 | Air spring automatic quick dismantling device |
| CN209919771U (en) * | 2019-01-18 | 2020-01-10 | 青岛亨迪汽车配件有限公司 | Device convenient for dismounting automobile steering wheel sleeve |
| CN112589416A (en) * | 2020-12-30 | 2021-04-02 | 南阳胶联时代减振科技有限公司 | Press-fitting forming equipment and forming method for membrane type air spring |
| CN113431859A (en) * | 2021-06-15 | 2021-09-24 | 上海保隆汽车科技(安徽)有限公司 | Air spring and assembling device and method thereof |
-
2021
- 2021-10-12 CN CN202111187953.XA patent/CN113770978B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5458365A (en) * | 1993-08-03 | 1995-10-17 | Morton International, Inc. | Adjustable snap away fastener |
| EP0655368A2 (en) * | 1993-11-22 | 1995-05-31 | Bridgestone Corporation | Air bag unit and assembling method and apparatus therefor |
| KR20000060764A (en) * | 1999-03-19 | 2000-10-16 | 정몽규 | Air bag installing apparatus for air spring |
| CN101503002A (en) * | 2009-03-11 | 2009-08-12 | 宁波美亚达汽车部件制造有限公司 | Air spring press |
| CN104907812A (en) * | 2015-06-15 | 2015-09-16 | 上海工程技术大学 | Air spring automatic quick dismantling device |
| CN209919771U (en) * | 2019-01-18 | 2020-01-10 | 青岛亨迪汽车配件有限公司 | Device convenient for dismounting automobile steering wheel sleeve |
| CN112589416A (en) * | 2020-12-30 | 2021-04-02 | 南阳胶联时代减振科技有限公司 | Press-fitting forming equipment and forming method for membrane type air spring |
| CN113431859A (en) * | 2021-06-15 | 2021-09-24 | 上海保隆汽车科技(安徽)有限公司 | Air spring and assembling device and method thereof |
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| Publication number | Publication date |
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| CN113770978B (en) | 2022-11-22 |
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