CN112355560A - Welding sealing clamping device for shock absorber - Google Patents
Welding sealing clamping device for shock absorber Download PDFInfo
- Publication number
- CN112355560A CN112355560A CN202011159286.XA CN202011159286A CN112355560A CN 112355560 A CN112355560 A CN 112355560A CN 202011159286 A CN202011159286 A CN 202011159286A CN 112355560 A CN112355560 A CN 112355560A
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- China
- Prior art keywords
- fixedly connected
- shock absorber
- wall
- clamping device
- welding
- 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.)
- Granted
Links
- 238000003466 welding Methods 0.000 title claims abstract description 36
- 230000035939 shock Effects 0.000 title claims abstract description 30
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 title description 4
- 230000006835 compression Effects 0.000 claims abstract description 23
- 238000007906 compression Methods 0.000 claims abstract description 23
- 238000000746 purification Methods 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 239000003054 catalyst Substances 0.000 claims description 9
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 3
- 230000009975 flexible effect Effects 0.000 abstract description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000013016 damping Methods 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/12—Vessels
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Separation Of Gases By Adsorption (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention relates to the technical field of welding of shock absorbers and discloses a welding seal clamping device for a shock absorber, which comprises a fixed seat, wherein a compression spring is fixedly connected to the inner wall of the middle of the fixed seat, a sliding block is movably connected to the inner wall of the middle of the fixed seat, the front of the sliding block is movably connected with a compression rod, a clamping seat is fixedly connected to the inner side of the compression rod, and a purification cavity is formed in the middle of the fixed seat. This welding seals clamping device for bumper shock absorber, drive the push rod motion through the holder, the push rod drives the movable block motion, through dielectric layer board and positive plate, the cooperation of negative plate is used, thereby reach the flexible effect of control gasbag, the electro-magnet circular telegram produces the magnetic force with magnetic path repulsion each other, when welding the damper cylinder, because produce the high temperature when the weldment welding, the bimetallic strip of holder inner wall is heated and takes place deformation and take place the bending, the electro-magnet outage this moment, the gasbag expands under reset spring's effect, the gas that will weld the production inhales through the breathing pipe and purifies the chamber.
Description
Technical Field
The invention relates to the technical field of welding of shock absorbers, in particular to a welding seal clamping device for a shock absorber.
Background
The shock absorber is widely applied to motor vehicles, can accelerate the attenuation of vehicle vibration and improve the running smoothness of the vehicle, and mainly comprises a hydraulic shock absorber and an inflatable shock absorber, wherein the hydraulic shock absorber mainly comprises an oil cylinder, a piston rod and other components which are combined, the oil cylinder is not integrally formed and is formed by welding an oil pipe, an end cap and other components, then shock absorption oil is added into the oil cylinder, then the piston is installed, and finally welding and sealing are carried out.
At present, the sealed welding mode of current bumper shock absorber is with oil pipe fixed back, and the handheld welder of staff aims at the welding position and welds to after the welding is accomplished, the oil pipe after will welding is good is taken off to manual, because can produce carbon dioxide in the welding process, sulfur dioxide, carbon monoxide, ozone, wait gaseous direct emission in the air, because during the finite very easy harmful gas that leads to of working space inhales the health with the staff, cause the harm to the health, if inhale for a long time seriously threaten life safety.
Therefore, we propose a welding seal clamping device for a shock absorber to solve the above problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a welding seal clamping device for a shock absorber, which has the advantages of simple operation and capability of absorbing and treating gas generated by welding, and solves the problem that the gas generated by welding is directly discharged in the air.
(II) technical scheme
In order to realize the purpose of absorbing and processing the gas generated by welding with simple operation, the invention provides the following technical scheme: a welding sealing clamping device for a shock absorber comprises a fixed seat, wherein a compression spring is fixedly connected to the inner wall of the middle part of the fixed seat, a sliding block is movably connected to the inner wall of the middle part of the fixed seat, a pressure rod is movably connected to the front face of the sliding block, a clamping seat is fixedly connected to the inner side of the pressure rod, a purification cavity is formed in the middle part of the fixed seat, a one-way valve I is fixedly connected to the inner wall of the middle part of the fixed seat, an air bag is fixedly connected to the inner side of the one-way valve I, a magnetic block is fixedly connected to the outer side of the air bag, a reset spring is fixedly connected to the outer side of the air bag, a one-way valve II is fixedly connected to the outer side of the air bag, the ceramic chip outside fixedly connected with spacing spring, holder outside fixedly connected with push rod, the push rod outside fixedly connected with movable block, the inner wall fixedly connected with dielectric layer board in the middle part of the movable block, fixing base middle part inner wall fixedly connected with negative plate.
Preferably, the middle part of the fixing seat is provided with a sliding groove matched with the size of the sliding block, the outer side of the sliding block is fixedly connected with a compression spring, when the clamping seat clamps the damping cylinder, the compression rod extrudes the compression spring, and the damping cylinder is clamped and fastened under the compression of the compression spring.
Preferably, the slider adopts the high rigidity material preparation to form and the size of slider is less than the size of spout, and the slider moves along the spout inner wall under the extrusion of depression bar.
Preferably, the holder is the ring form and the holder adopts the better material preparation of heat conductivity to form, and the holder is with the damper cylinder centre gripping, with heat transfer to bimetallic strip surface when welding.
Preferably, the magnetic block is in a semicircular arc shape, the magnetic block is a strong magnet, the diameter of the strong magnet is larger than that of the air bag, and when the electromagnet is electrified to generate magnetic force, the magnetic block is extruded, so that the air bag can suck air.
Preferably, the middle part of the fixing seat is provided with a movable groove, the size of the movable groove is matched with that of the push rod, and the push rod moves along the inner wall of the movable groove to drive the movable block to move.
Preferably, the bimetallic strip is made of copper, iron and alloy, the middle part of the clamping seat is provided with a movable groove, and due to different thermal expansion coefficients of the copper and the iron, when the bimetallic strip is heated and deformed to be bent, the fixed contact and the movable contact are connected, so that the working voltage of the piezoresistor is changed.
Preferably, the inner wall of the purification cavity is filled with a catalyst, the catalyst is formed by mixing manganese dioxide and other liquid catalysts, and when the gas generated during welding is discharged into the purification cavity through the gas suction pipe by the air bag, the gas is purified and discharged into the air through a series of chemical reactions.
(III) advantageous effects
Compared with the prior art, the invention provides a welding seal clamping device for a shock absorber, which has the following beneficial effects:
1. this welding seals clamping device for bumper shock absorber, drive the push rod motion through the holder, the push rod drives the movable block motion, through dielectric layer board and positive plate, the cooperation of negative plate is used, thereby reach the flexible effect of control gasbag, the electro-magnet circular telegram produces the magnetic force with magnetic path repulsion each other, extrude the gasbag, make the gasbag be in compression state, when welding shock attenuation section of thick bamboo, because produce high temperature when the weldment welding, the bimetallic strip of holder inner wall is heated and takes place deformation and take place the bending, thereby it changes piezo-resistor's operating voltage with static contact and movable contact connection this moment, the electro-magnet outage this moment, the gasbag expands under reset spring's effect, inhale the purification chamber through the breathing pipe with the gas that the welding produced.
2. This welding seals clamping device for bumper shock absorber drives the bimetallic strip operation through the holder, and the bimetallic strip drives spacing spring motion, thereby uses the effect that reaches the gas absorption through contact and piezo-resistor's cooperation, and the bimetallic strip is heated and takes place deformation and take place the bending, thereby changes piezo-resistor's operating voltage with the stationary contact with movable contact connection this moment, and the electro-magnet extrudes the realization gas absorption to the gasbag.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partially enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 3 is a partially enlarged view of the portion B shown in FIG. 1 according to the present invention;
FIG. 4 is a schematic view of a partially enlarged structure of the portion C in FIG. 1 according to the present invention.
In the figure: 1. a fixed seat; 2. a compression spring; 3. a pressure lever; 4. a slider; 5. a holder; 6. a one-way valve I; 7. an air bag; 8. an air intake duct; 9. a magnetic block; 10. an electromagnet; 11. a voltage dependent resistor; 12. a positive plate; 13. a second one-way valve; 14. a return spring; 15. a push rod; 16. a limiting spring; 17. a tile; 18. a bimetal; 19. a dielectric plate; 20. a movable block; 21. a negative plate; 22. a purge chamber.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a welding seal clamping device for a shock absorber comprises a fixed seat 1, a sliding groove matched with the size of a sliding block 4 is formed in the middle of the fixed seat 1, a compression spring 2 is fixedly connected to the outer side of the sliding block 4, when a damping cylinder is clamped by a clamping seat 5, a compression rod 3 extrudes the compression spring 2, the damping cylinder is clamped more tightly under the compression of the compression spring 2, a movable groove is formed in the middle of the fixed seat 1, the size of the movable groove is matched with the size of a push rod 15, the push rod 15 moves along the inner wall of the movable groove to drive a movable block 20 to move, the compression spring 2 is fixedly connected to the inner wall of the middle of the fixed seat 1, the sliding block 4 is movably connected to the inner wall of the middle of the fixed seat 1, the sliding block 4 is made of a high-hardness material, the size of the sliding, the front surface of the sliding block 4 is movably connected with a pressing rod 3, the inner side of the pressing rod 3 is fixedly connected with a clamping seat 5, the clamping seat 5 is annular, the clamping seat 5 is made of a material with better heat conductivity, and the damping cylinder is clamped by the clamping seat 5;
when welding, heat is transferred to the surface of the bimetallic strip 18, the middle of the fixed seat 1 is provided with a purification cavity 22, the inner wall of the purification cavity 22 is filled with a catalyst, the catalyst is formed by mixing manganese dioxide and other liquid catalysts, when the air bag 7 discharges gas generated during welding into the purification cavity 22 through the air suction pipe 8, the gas is purified and discharged into air through a series of chemical reactions, the inner wall of the middle of the fixed seat 1 is fixedly connected with a one-way valve I6, the inner side of the one-way valve I6 is fixedly connected with the air bag 7, the outer side of the air bag 7 is fixedly connected with a magnetic block 9, the magnetic block 9 is in a semi-arc shape, the diameter of the magnetic block 9 is larger than that of the air bag 7, when the electromagnet 10 is electrified to generate magnetic force, the magnetic block 9 is extruded;
the outer side of the air bag 7 is fixedly connected with a second check valve 13, the outer side of the second check valve 13 is fixedly connected with an air suction pipe 8, the inner wall of the middle part of the fixed seat 1 is fixedly connected with an electromagnet 10, the inner wall of the middle part of the fixed seat 1 is fixedly connected with a piezoresistor 11, the inner wall of the middle part of the fixed seat 1 is fixedly connected with a positive plate 12, the inner wall of the middle part of the holder 5 is movably connected with a bimetallic strip 18, the bimetallic strip 18 is made of copper, iron and alloy, the middle part of the holder 5 is provided with a movable groove, due to different thermal expansion coefficients of copper and iron, when the bimetallic strip 18 is heated and deformed to be bent, a static contact and a movable contact are connected to change the working voltage of the piezoresistor 11, the outer side of the bimetallic strip 18 is fixedly connected with a ceramic chip 17, the outer side of the ceramic chip 17, the inner wall of the middle part of the fixed seat 1 is fixedly connected with a negative plate 21.
The working principle is as follows: the damping cylinder is clamped by a clamping seat 5, a slide block 4 is extruded by a pressure lever 3, a push rod 15 moves outwards under the action of the clamping seat 5, a movable block 20 drives a dielectric plate 19 to move, the relative area of a positive plate 12 and a negative plate 21 is changed, after the damping cylinder is stably held, the voltage between the two plates is maximum at the moment, the working voltage of a piezoresistor 11 is reached, an electromagnet 10 is electrified to generate magnetic force mutually repelling with a magnetic block 9, the air bag 7 is extruded, the air bag 7 is in a compressed state, when the damping cylinder is welded, because a weldment generates high temperature, a bimetallic strip 18 on the inner wall of the clamping seat 5 is heated to deform and bend, at the moment, a static contact and a movable contact are connected to change the working voltage of the piezoresistor 11, the electromagnet 10 is powered off, the air bag 7 expands under the action of a return spring 14, and gas generated by welding is sucked into a purification cavity 22 through an air suction pipe 8, the first check valve 6 is used for preventing gas inside the purification cavity 22 from flowing back, the second check valve 13 is used for preventing gas inside the air bag 7 from being extruded and discharged, when the temperature of the holder 5 is lowered, the bimetallic strip 18 returns to the original shape, the fixed contact is separated from the movable contact at the moment, the piezoresistor 11 returns to the working voltage, the electromagnet 10 is electrified to extrude the air bag 7, after welding is completed, the shock absorption cylinder is taken out of the holder 5, at the moment, under the action of the compression spring 2, the compression rod 3 and the push rod 15 contract inwards, at the moment, the dielectric plate 19 returns to the non-extrusion state, the relative area of the positive plate 12 and the negative plate 21 is minimum, the electromagnet 10 is powered off, and the air bag 7 returns to the non-extrusion state under the action of the limiting spring 16.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a welding seals clamping device for bumper shock absorber, includes fixing base (1), its characterized in that: the inner wall of the middle of the fixing seat (1) is fixedly connected with a compression spring (2), the inner wall of the middle of the fixing seat (1) is movably connected with a sliding block (4), the front of the sliding block (4) is movably connected with a compression rod (3), the inner side of the compression rod (3) is fixedly connected with a clamping seat (5), the middle of the fixing seat (1) is provided with a purification cavity (22), the inner wall of the middle of the fixing seat (1) is fixedly connected with a one-way valve I (6), the inner side of the one-way valve I (6) is fixedly connected with an air bag (7), the outer side of the air bag (7) is fixedly connected with a magnetic block (9), the outer side of the air bag (7) is fixedly connected with a reset spring (14), the outer side of the air bag (7) is fixedly connected with a one-way valve II (13, fixing base (1) middle part inner wall fixedly connected with positive plate (12), holder (5) middle part inner wall swing joint has bimetallic strip (18), bimetallic strip (18) outside fixedly connected with ceramic chip (17), ceramic chip (17) outside fixedly connected with limiting spring (16), holder (5) outside fixedly connected with push rod (15), push rod (15) outside fixedly connected with movable block (20), movable block (20) middle part inner wall fixedly connected with dielectric plate (19), fixing base (1) middle part inner wall fixedly connected with negative plate (21).
2. The weld seal clamping device for a shock absorber according to claim 1, wherein: the middle of the fixing seat (1) is provided with a sliding groove matched with the sliding block (4) in size, and the sliding block (4) is fixedly connected with a compression spring (2) on the outer side.
3. The weld seal clamping device for a shock absorber according to claim 1, wherein: the sliding block (4) is made of high-hardness materials, and the size of the sliding block (4) is smaller than that of the sliding groove.
4. The weld seal clamping device for a shock absorber according to claim 1, wherein: the clamping seat (5) is annular, and the clamping seat (5) is made of a material with good heat conductivity.
5. The weld seal clamping device for a shock absorber according to claim 1, wherein: the magnetic block (9) is in a semicircular arc shape, and the magnetic block (9) is a strong magnet, and the diameter of the strong magnet is larger than that of the air bag (7).
6. The weld seal clamping device for a shock absorber according to claim 1, wherein: the middle part of the fixed seat (1) is provided with a movable groove, and the size of the movable groove is matched with that of the push rod (15).
7. The weld seal clamping device for a shock absorber according to claim 1, wherein: the bimetallic strip (18) is made of copper, iron and alloy, and the middle part of the clamping seat (5) is provided with a movable groove.
8. The weld seal clamping device for a shock absorber according to claim 1, wherein: the inner wall of the purification cavity (22) is filled with a catalyst, and the catalyst is formed by mixing manganese dioxide and other liquid catalysts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011159286.XA CN112355560B (en) | 2020-10-27 | 2020-10-27 | Welding seal clamping device for shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011159286.XA CN112355560B (en) | 2020-10-27 | 2020-10-27 | Welding seal clamping device for shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112355560A true CN112355560A (en) | 2021-02-12 |
| CN112355560B CN112355560B (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011159286.XA Active CN112355560B (en) | 2020-10-27 | 2020-10-27 | Welding seal clamping device for shock absorber |
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| Country | Link |
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| CN (1) | CN112355560B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001685A (en) * | 2021-02-26 | 2021-06-22 | 云和县永存车木厂 | Automatically controlled clamping and cutting equipment for building wood |
| CN114134283A (en) * | 2021-11-18 | 2022-03-04 | 任艺 | Direct current electric arc electroslag heating ladle furnace |
| CN114923448A (en) * | 2022-05-07 | 2022-08-19 | 扬州虹扬科技发展有限公司 | Detection device for light-emitting diode wafer |
| CN117102746A (en) * | 2023-09-27 | 2023-11-24 | 靖江艾威机械配件制造有限公司 | Engineering machinery precision part welding tool |
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| CN112355560B (en) | 2023-12-15 |
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Effective date of registration: 20231110 Address after: 325400 No.103 Haize Road, Binhai New Area, Pingyang County, Wenzhou City, Zhejiang Province Applicant after: WENZHOU JIANGSHUO VEHICLE INDUSTRY CO.,LTD. Address before: 150026 Xinxing Industrial Park, No.66, Shuiyuan Road, Daowai District, Harbin City, Heilongjiang Province Applicant before: Wang Zhehan |
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