CN113714733A - Production process of high-sealing pneumatic tension compensation device - Google Patents
Production process of high-sealing pneumatic tension compensation device Download PDFInfo
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- CN113714733A CN113714733A CN202110591715.9A CN202110591715A CN113714733A CN 113714733 A CN113714733 A CN 113714733A CN 202110591715 A CN202110591715 A CN 202110591715A CN 113714733 A CN113714733 A CN 113714733A
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- welding
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- compensation device
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- plated
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- 238000007789 sealing Methods 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 26
- 230000008569 process Effects 0.000 claims abstract description 25
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000004381 surface treatment Methods 0.000 claims abstract description 8
- 238000003754 machining Methods 0.000 claims abstract description 7
- 229910000906 Bronze Inorganic materials 0.000 claims abstract description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052786 argon Inorganic materials 0.000 claims abstract description 4
- 239000010974 bronze Substances 0.000 claims abstract description 4
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 4
- 239000011651 chromium Substances 0.000 claims abstract description 4
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000005516 engineering process Methods 0.000 claims abstract description 4
- 239000011701 zinc Substances 0.000 claims abstract description 4
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000004146 energy storage Methods 0.000 description 27
- 238000013016 damping Methods 0.000 description 12
- 230000007547 defect Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a production process of a high-tightness pneumatic tension compensation device, which comprises a machining process, a welding process, a surface treatment process and an assembly process; the specific content of the mechanical processing technology comprises the following steps: the part is required to be possible to ensure one-time clamping and control the dimensional precision; the blank of the shell adopts a honing pipe, and adopts a honing pipe; the blank of the piston rod adopts a hard chromium plated polish rod; the specific content of the welding process comprises the following steps: all welding parts are primed by argon arc welding, and then other welding processes are carried out, wherein the welding needs to be ensured to be uniform, and the sealing property is ensured; each welding part adopts a special tool to ensure the size; the specific content of the surface treatment process comprises the following steps: the surface of the shell is plated with tin bronze, and the surfaces of other parts are plated with zinc. According to the part characteristics of the pneumatic tension compensation device, the invention sets targeted production process and material selection, can ensure the dimensional precision and geometric precision of the part, and provides basic guarantee for high-quality assembly.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of tension compensation device production, in particular to a production process of a high-tightness pneumatic tension compensation device.
[ background of the invention ]
In order to ensure that the locomotive pantograph can obtain current well, the contact line and the catenary are required to keep certain tension, and the change of the environmental temperature can cause the change of the lengths of the contact line and the catenary, so that the tension is unstable, the effect of obtaining current by the pantograph is influenced, and the tension change of the contact line and the catenary needs to be compensated in real time.
The conventional tension compensation device mainly has: the pulley compensation device, the ratchet wheel compensation device and the spring compensation device have certain defects. If the pulley compensation device has the defects of poor stability and influence on driving safety and running efficiency; the ratchet wheel compensation device has the defects of high cost, low yield and the like; the spring compensation device has the defects of high requirement on installation precision, limited compensation stroke, easy plastic deformation of the spring, deteriorated compensation effect and the like.
In view of the above technical situation, developing a new principle tension compensation device is of great significance for improving the running performance of a locomotive, and in the development process of the new tension compensation device, whether actual processing and assembly can meet requirements or not needs to be considered, so that a production process needs to be developed.
[ summary of the invention ]
A pneumatic tension compensation device comprises an integrated shell consisting of an energy storage cavity, a working cavity and a damping cavity, the shell further comprises an energy storage cavity outer cylinder wall and a working cavity inner cylinder wall which are welded into a whole, the working cavity inner cylinder wall and the energy storage cavity outer cylinder wall are coaxially distributed, the rear end of the working cavity inner cylinder wall extends out of the end part of the energy storage cavity outer cylinder wall, the front end of the working cavity inner cylinder wall is in butt joint with the end part of the energy storage cavity outer cylinder wall, and the joint of the working cavity inner cylinder wall and the energy storage cavity outer cylinder wall is fixedly connected through sealing full welding; the front end of the inner wall of the working cavity is provided with a flange cover, the flange cover is fixed on the front end surface of the outer wall of the energy storage cavity through a screw, and the flange cover is in sealing connection with the inner wall of the working cavity; the energy storage cavity is communicated with the working cavity through one or more vent holes arranged on the inner wall of the working cavity; a piston is arranged between the working cavity and the damping cavity, and a piston rod is fixedly connected to the piston; the piston is provided with first guide holes corresponding to the first energized sealing rings one by one, and the first guide holes are communicated with the hollow inner cavity and the working cavity of the first energized sealing rings; gas with pressure higher than atmospheric pressure is filled in the energy storage cavity and the working cavity which are communicated with each other, and the first energized sealing ring can be slidably and tightly attached to the inner wall of the cylinder wall in the working cavity under the action of the pressure gas in the working cavity to form dynamic seal; the piston rod penetrates out of the flange cover, a second energized sealing ring is arranged between the piston rod and the flange cover, a second guide hole corresponding to the second energized sealing ring is formed in the flange cover, and the second guide hole is communicated with the working cavity and an inner cavity of the second energized sealing ring; the damping cavity is communicated with the outside air through a damping air pipe, and a small throttling hole is formed in the end part of the damping air pipe; an inflation valve is arranged at the position, close to the end part, of the outer cylinder wall of the energy storage cavity; the outer cylinder wall of the energy storage cavity is sleeved with a slidable sliding sleeve, the front end of the piston rod penetrates through the sliding sleeve, and the sliding sleeve is fixed on the piston rod through two nuts; the front end of the piston rod is also fixedly connected with a first mounting hinge; the outer end of the inner wall of the working cavity is fixedly connected with a second mounting hinge; the outer cylinder wall of the energy storage cavity is sleeved with a slidable sliding sleeve, the front end of the piston rod penetrates through the sliding sleeve, and the sliding sleeve is fixed on the piston rod through two nuts; be provided with the temperature scale on the lateral wall of energy storage chamber urceolus wall, the open end of sliding sleeve covers a part of temperature scale, and the removal position of real-time temperature value and sliding sleeve can be surveyed to the numerical value of reading through the temperature scale to can judge the surplus length of piston apart from the stroke limit directly perceivedly, thereby conveniently and assess the safe state of pneumatic tension compensation arrangement in real time.
The invention aims to solve the problems in the prior art, and provides a production process of a high-tightness pneumatic tension compensation device aiming at the innovative pneumatic tension compensation device, which can be used for processing core parts in the pneumatic tension compensation device at high quality, ensuring the high tightness of the pneumatic tension compensation device and further ensuring the working performance.
In order to achieve the purpose, the invention provides a production process of a high-tightness pneumatic tension compensation device, which comprises a machining process, a welding process, a surface treatment process and an assembly process;
the specific content of the mechanical processing technology comprises the following steps: in the machining of a numerical control lathe and a numerical control drill, a part can be clamped at one time and the dimensional precision is controlled; the blank of the shell adopts a honing pipe, and adopts a honing pipe; the blank of the piston rod adopts a hard chromium plated polish rod;
the specific content of the welding process comprises the following steps: all welding parts are primed by argon arc welding, and then other welding processes are carried out, wherein the welding needs to be ensured to be uniform, and the sealing property is ensured; each welding part adopts a special tool to ensure the size;
the specific content of the surface treatment process comprises the following steps: the surface of the shell is plated with tin bronze, and the surfaces of other parts are plated with zinc.
The invention has the beneficial effects that: according to the part characteristics of the pneumatic tension compensation device, the invention sets targeted production process and material selection, can ensure the dimensional precision and geometric precision of the part, and provides basic guarantee for high-quality assembly.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure: 1-damping cavity, 2-flange cover, 3-piston, 4-piston rod, 5-energy storage cavity, 6-working cavity, 7-vent hole, 8-second energized sealing ring, 9-sliding sleeve, 10-inflation valve, 11-first mounting hinge, 12-second mounting hinge, 13-damping air pipe, 14-first energized sealing ring, 101-energy storage cavity outer cylinder wall, 102-working cavity inner cylinder wall, 201-second diversion hole and 301-first diversion.
[ detailed description ] embodiments
Referring to fig. 1 and 2, a pneumatic tension compensation device comprises an integrated shell consisting of an energy storage cavity 5, a working cavity 6 and a damping cavity 1, the shell further comprises an energy storage cavity outer cylinder wall 101 and a working cavity inner cylinder wall 102 which are welded into a whole, the working cavity inner cylinder wall 102 and the energy storage cavity outer cylinder wall 101 are coaxially distributed, the rear end of the working cavity inner cylinder wall extends out of the end part of the energy storage cavity outer cylinder wall, the front end of the working cavity inner cylinder wall is in butt joint with the end part of the energy storage cavity outer cylinder wall, and the joint of the working cavity inner cylinder wall and the energy storage cavity outer cylinder wall is fixedly connected through sealing full welding; the front end of the inner wall of the working cavity is provided with a flange cover 2, the flange cover is fixed on the front end face of the outer wall of the energy storage cavity through a screw, and the flange cover is in sealing connection with the inner wall of the working cavity; the energy storage cavity is communicated with the working cavity through one or more vent holes 7 arranged on the inner wall of the working cavity; a piston 3 is arranged between the working cavity and the damping cavity, and a piston rod 4 is fixedly connected to the piston; the piston is provided with a first guide hole 301 which is in one-to-one correspondence with the first energized sealing ring, and the first guide hole is communicated with the hollow inner cavity and the working cavity of the first energized sealing ring; gas with pressure higher than atmospheric pressure is filled in the energy storage cavity and the working cavity which are communicated with each other, and the first energized sealing ring can be slidably and tightly attached to the inner wall of the cylinder wall in the working cavity under the action of the pressure gas in the working cavity to form dynamic seal; the piston rod penetrates out of the flange cover, a second energized sealing ring 8 is arranged between the piston rod and the flange cover, a second guide hole 201 corresponding to the second energized sealing ring is formed in the flange cover, and the second guide hole is communicated with the working cavity and an inner cavity of the second energized sealing ring; the damping cavity is communicated with the outside air through a damping air pipe 13, and a small throttling hole is formed in the end part of the damping air pipe; an inflation valve 10 is arranged at the position, close to the end part, of the outer cylinder wall of the energy storage cavity, and the inflation valve is sealed through a plug with sealing performance in a stage that inflation is not needed; the outer cylinder wall of the energy storage cavity is sleeved with a slidable sliding sleeve 9, the front end of the piston rod penetrates through the sliding sleeve, and the sliding sleeve is fixed on the piston rod through two nuts; the outer side wall of the outer cylinder wall of the energy storage cavity is provided with a temperature scale, the opening end of the sliding sleeve covers part of the temperature scale, and a real-time temperature value and a moving position of the sliding sleeve can be measured through a reading value of the temperature scale, so that the residual length of the piston from the stroke limit can be visually judged, and the safety state of the pneumatic tension compensation device can be conveniently evaluated in real time; the initial position of the sliding sleeve on the temperature scale actively moves the sliding sleeve to the corresponding temperature scale according to the environmental temperature during installation; the front end of the piston rod is fixedly connected with a first mounting hinge 11, and the outer end of the inner wall of the working cavity is fixedly connected with a second mounting hinge 12.
The invention provides a production process of a high-tightness pneumatic tension compensation device, which comprises a machining process, a welding process, a surface treatment process and an assembly process; the specific content of the mechanical processing technology comprises the following steps: in the machining of a numerical control lathe and a numerical control drill, a part can be clamped at one time and the dimensional precision is controlled; the blank of the shell adopts a honing pipe, and adopts a honing pipe; the blank of the piston rod adopts a hard chromium plated polish rod; the specific content of the welding process comprises the following steps: all welding parts are primed by argon arc welding, and then other welding processes are carried out, wherein the welding needs to be ensured to be uniform, and the sealing property is ensured; each welding part adopts a special tool to ensure the size; the specific content of the surface treatment process comprises the following steps: the surface of the shell is plated with tin bronze, and the surfaces of other parts are plated with zinc, so that friction can be reduced, and efficiency can be improved.
The invention has the beneficial effects that: according to the part characteristics of the pneumatic tension compensation device, the invention sets targeted production process and material selection, can ensure the dimensional precision and geometric precision of the part, and provides basic guarantee for high-quality assembly.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (1)
1. The production process of the pneumatic tension compensation device with high sealing performance is characterized in that: the method comprises a machining process, a welding process, a surface treatment process and an assembly process; the specific content of the mechanical processing technology comprises the following steps: in the machining of a numerical control lathe and a numerical control drill, a part can be clamped at one time and the dimensional precision is controlled; the blank of the shell adopts a honing pipe, and adopts a honing pipe; the blank of the piston rod adopts a hard chromium plated polish rod; the specific content of the welding process comprises the following steps: all welding parts are primed by argon arc welding, and then other welding processes are carried out, wherein the welding needs to be ensured to be uniform, and the sealing property is ensured; each welding part adopts a special tool to ensure the size; the specific content of the surface treatment process comprises the following steps: the surface of the shell is plated with tin bronze, and the surfaces of other parts are plated with zinc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110591715.9A CN113714733A (en) | 2021-05-28 | 2021-05-28 | Production process of high-sealing pneumatic tension compensation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110591715.9A CN113714733A (en) | 2021-05-28 | 2021-05-28 | Production process of high-sealing pneumatic tension compensation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113714733A true CN113714733A (en) | 2021-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110591715.9A Pending CN113714733A (en) | 2021-05-28 | 2021-05-28 | Production process of high-sealing pneumatic tension compensation device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE733792A (en) * | 1968-05-29 | 1969-12-01 | ||
| IT7967388A0 (en) * | 1978-02-28 | 1979-02-21 | Fichtel & Sachs Ag | ELASTIC SHOCK ABSORBER OR RISER FOR MOTOR VEHICLES |
| JPH08121410A (en) * | 1994-10-20 | 1996-05-14 | Howa Mach Ltd | Rodless cylinder |
| CN101216056A (en) * | 2007-12-26 | 2008-07-09 | 南阳市南石力天传动件有限公司 | Large journey low-temperature extension hydraulic cylinder manufacture method |
| CN104014985A (en) * | 2013-02-28 | 2014-09-03 | 柳州威力士液压设备有限公司 | High-temperature-resistant hydraulic cylinder manufacturing technology |
| CN104373416A (en) * | 2014-10-27 | 2015-02-25 | 安徽安簧机械股份有限公司 | Hydraulic cylinder of steering axle of industrial vehicle and manufacturing technology thereof |
| CN108506403A (en) * | 2018-04-18 | 2018-09-07 | 常州格林电力机械制造有限公司 | A kind of large hydraulic damper |
-
2021
- 2021-05-28 CN CN202110591715.9A patent/CN113714733A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE733792A (en) * | 1968-05-29 | 1969-12-01 | ||
| IT7967388A0 (en) * | 1978-02-28 | 1979-02-21 | Fichtel & Sachs Ag | ELASTIC SHOCK ABSORBER OR RISER FOR MOTOR VEHICLES |
| JPH08121410A (en) * | 1994-10-20 | 1996-05-14 | Howa Mach Ltd | Rodless cylinder |
| CN101216056A (en) * | 2007-12-26 | 2008-07-09 | 南阳市南石力天传动件有限公司 | Large journey low-temperature extension hydraulic cylinder manufacture method |
| CN104014985A (en) * | 2013-02-28 | 2014-09-03 | 柳州威力士液压设备有限公司 | High-temperature-resistant hydraulic cylinder manufacturing technology |
| CN104373416A (en) * | 2014-10-27 | 2015-02-25 | 安徽安簧机械股份有限公司 | Hydraulic cylinder of steering axle of industrial vehicle and manufacturing technology thereof |
| CN108506403A (en) * | 2018-04-18 | 2018-09-07 | 常州格林电力机械制造有限公司 | A kind of large hydraulic damper |
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