CN112846612B - Welding tool and welding method for planet carrier assembly - Google Patents
Welding tool and welding method for planet carrier assembly Download PDFInfo
- Publication number
- CN112846612B CN112846612B CN202011627942.4A CN202011627942A CN112846612B CN 112846612 B CN112846612 B CN 112846612B CN 202011627942 A CN202011627942 A CN 202011627942A CN 112846612 B CN112846612 B CN 112846612B
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- planet carrier
- jaw
- positioning block
- base
- floating positioning
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- 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
- B23K37/0435—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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
Abstract
The invention discloses a welding tool for a planet carrier assembly, which comprises a base, wherein the upper surface of the base is a horizontal plane, a three-jaw chuck is fixedly arranged below the base, a jaw abdicating hole for a jaw of the three-jaw chuck to vertically penetrate out is formed in the base, a floating positioning block is arranged at the upper end of the jaw, the floating positioning block is vertically and slidably arranged on a vertically arranged mandrel at the upper end of the jaw, the floating positioning block is positioned above the base, the lower surface of the floating positioning block, which is positioned at the outer part of the jaw, and the upper surface of the base form a positioning clamping plane, the upper surface of the floating positioning block, which is positioned at the outer part of the jaw, forms a placing plane, the thickness of the floating positioning block, which is positioned at the outer part of the jaw, is equal to the welding control interval of the planet carrier assembly, a vertical positioning pin is arranged on the base, and the height of the positioning pin is greater than the thickness of the floating positioning block, which is positioned at the outer part of the jaw. The use of above-mentioned frock ensures that planet carrier assembly intermediate distance is qualified, and the depth of parallelism is up to standard. Meanwhile, the invention also provides a welding method of the planet carrier assembly.
Description
Technical Field
The invention relates to the technical field of planet carrier assemblies, in particular to a welding tool and a welding method for a planet carrier assembly.
Background
The planet carrier assembly is formed by welding a planet carrier A and a planet carrier B as shown in figure 1. Planet carrier A sets up downwards, and planet carrier B upwards sets up, and the curb plate that sets up along the circumference interval on the planet carrier B bottom plate stretches into the arc wall of seting up on the planet carrier A bottom plate in, accomplishes the connection with curb plate top welding in the arc wall. In the processing, the distance between the bottom plate of the planet carrier A and the bottom plate of the planet carrier B is required to be equal to the design distance and the parallelism between the lower surface of the bottom plate of the planet carrier A and the upper surface of the bottom plate of the planet carrier B, and the planet gear can be arranged between the bottom plate of the planet carrier A and the bottom plate of the planet carrier B to meet the subsequent use requirement. However, in actual welding construction, the distance between the positioning planet carrier A and the positioning planet carrier B is difficult to guarantee, and the parallelism is consistent and difficult to control, so that the qualified rate of finished products of the welding machine is low.
In view of this, how to provide a welding tool and a welding method for a planet carrier assembly, which can effectively ensure the spacing distance between the planet carrier a and the planet carrier B, ensure the parallelism between the bottom surfaces of the planet carrier a and the planet carrier B, ensure the welding quality, and improve the qualification rate of finished products, is a technical problem that needs to be solved by the technical personnel in the field.
Disclosure of Invention
The invention aims to: the welding tool and the welding method for the planet carrier assembly can effectively ensure the spacing distance between the planet carrier A and the planet carrier B in welding construction, ensure the parallelism between the bottom surfaces of the planet carrier A and the planet carrier B, ensure the welding quality and improve the qualified rate of finished products.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a planet carrier assembly welding frock, includes the fixed base that sets up of level, the upper surface of base is the horizontal plane, the fixed horizontally three-jaw chuck that is provided with in base below, be provided with the confession on the base the jack catch that the jack catch of three-jaw chuck was vertical wears out steps down the hole, the jack catch can be followed jack catch hole radial movement that steps down, the upper end of jack catch is provided with the locating piece that floats, the vertical slip setting of locating piece that floats is in the dabber of the vertical setting in jack catch upper end, the locating piece that floats is located the base top, the locating piece that floats is located the lower surface of jack catch outside part constitutes location clamping plane with the upper surface of base, the locating piece that floats is located the upper surface of jack catch outside part constitutes places the plane, the locating piece that floats is located the thickness of jack catch outside part equals planet carrier assembly welding control interval, be provided with vertical locating pin on the base, the locating pin height is greater than the locating piece that floats is located the thickness of jack catch outside part.
Like this, place planet carrier B level on the base, the jack catch of three-jaw chuck passes the hole on the planet carrier B bottom plate, spacing groove on the planet carrier B bottom plate is joined in marriage and is accomplished circumference spacing with the locating pin cooperation, start the three-jaw chuck, the jack catch of three-jaw chuck rises and tightly accomplishes the centering in planet carrier B's hole, the locating piece motion that floats compresses tightly the laminating on planet carrier B bottom plate through gravity, pack into planet carrier A, planet carrier A and planet carrier B are adjusted well to the locating pin cooperation on the spacing groove on the planet carrier A, compress tightly the laminating on the locating piece that floats with planet carrier A's bottom plate, weld planet carrier A and planet carrier B's junction. The floating positioning block and the positioning clamping plane on the base are used for positioning and pressing the bottom plate of the planet carrier B, and the placing plane is used for being attached to the bottom plate of the planet carrier A. The welding control interval of the planet carrier assembly is the design interval of the planet carrier A and the planet carrier B, and the distance between two parts after the welding of the planet carrier assembly is finished can be effectively ensured by the design of the floating positioning block. The plane arranged on the upper surface and the lower surface of the floating positioning block can better determine the parallelism between two opposite planes of the planet carrier A and the planet carrier B. The device is simple and convenient to use, and can ensure the welding quality and improve the qualification rate of finished products.
Preferably, the mandrel is fixed to the upper end of the jaw through a vertically arranged bolt, an assembly hole with the diameter larger than or equal to the outer diameter of the mandrel is vertically arranged on the floating positioning block, and the floating positioning block is arranged on the mandrel in a matched mode through the assembly hole.
Like this, when being greater than the dabber diameter, the setting of inclining outwards downwards of locating piece that floats, at the in-process that the jack catch outwards removed, the bottommost end of locating piece that floats at first with planet carrier B bottom plate contact, at the jack catch lasts the in-process that outwards stretches out, the locating piece lower surface that floats laminates with the bottom plate, becomes the horizontality to press down on planet carrier B under the action of gravity. When the diameter of the mandrel is equal to the diameter of the mandrel, the floating positioning block is always in a horizontal state and only slides under the action of gravity, so that the situation that the floating positioning block is clamped by being abutted to the bottom plate due to inclination is avoided.
Preferably, the floating positioning block is arranged on the outer side part of the jaw in a downward protruding mode.
Therefore, on the basis of not changing the size of the existing clamping jaw, the floating positioning block can be matched with more planetary carriers with smaller bottom plate thickness for use.
Preferably, the floating positioning block is provided with a guiding chamfer outside the lower end of the outer side of the clamping jaw.
Therefore, the guiding chamfer ensures that the three-jaw chuck moves outwards and can automatically drive the floating positioning block to be pressed on the bottom plate of the planet carrier B, so that the outer end of the floating positioning block and Kong Dizhu on the bottom plate of the planet carrier B are avoided. The lead-in chamfer can be a round angle or a bevel angle.
Preferably, the angle of the lead-in chamfer is less than or equal to 30 degrees.
Thus, the angle can be set to ensure a better effect of introducing the chamfer.
Preferably, the base is followed the jack catch direction of motion is provided with the groove of stepping down, step down the groove width with the jack catch matches, step down the groove with the jack catch hole of stepping down is linked together.
Like this, can let the jack catch let the hole set up littleer, let the groove also can effectual restriction jack catch direction of motion.
Preferably, the welding chuck further comprises a protection gland arranged above the base at a vertical interval, the protection gland is downwards provided with a press fitting protrusion, and the protection gland is vertically provided with a welding abdicating hole coaxial with the chuck.
Therefore, the planet carrier A and the planet carrier B can be effectively frightened through the protective gland. Specifically, the three-jaw chuck can be arranged on a vertically ascending main shaft, and then the main shaft ascends to push the planet carrier A to a fixed protection gland to compress and finish the fixation before welding.
Preferably, the three-jaw chuck is a pneumatic three-jaw chuck.
Therefore, the moving precision of the clamping jaws is higher, and the clamping jaws are more convenient to control.
The utility model provides a planet carrier assembly welding method for foretell planet carrier assembly welding frock which characterized in that:
s1, horizontally placing a planet carrier B on a base, enabling a clamping jaw of a three-jaw chuck to penetrate through an inner hole in a bottom plate of the planet carrier B, and matching a limiting groove in the bottom plate of the planet carrier B with a positioning pin to complete circumferential limiting;
s2, starting the three-jaw chuck, tensioning the inner hole of the planet carrier B by the jaws of the three-jaw chuck to finish centering, and pressing and attaching the floating positioning block to a bottom plate of the planet carrier B through gravity in a moving way;
s3, a planet carrier A is arranged, a limiting groove on the planet carrier A is matched with the positioning pin to be aligned with the planet carrier A and the planet carrier B, and a bottom plate of the planet carrier A is tightly pressed and attached to the floating positioning block;
and S4, welding the joint of the planet carrier A and the planet carrier B.
Therefore, the method can simply, efficiently and reliably complete the positioning and fixing before the welding of the planet carrier A and the planet carrier B, ensure the spacing distance between the planet carrier A and the planet carrier B, ensure the parallelism between the bottom surfaces of the planet carrier A and the planet carrier B and ensure the welding quality.
Preferably, laser welding is used in step S4.
Therefore, the laser welding deformation is small, the efficiency is high, and the welding quality is better. Firstly, completing primary fixing by adopting a low-power spot welding mode, completing low-power sealing welding, and finally completing welding by adopting high-power deep welding.
Drawings
FIG. 1 is a schematic structural diagram of a planetary carrier assembly according to the background of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic structural diagram of a welding tool for a planet carrier assembly according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a claw and a floating positioning block in a welding tool for a planet carrier assembly according to an embodiment of the present invention.
The labels in the figure are: the device comprises a base 1, a clamping jaw 2, a floating positioning block 3, a guiding chamfer 301, a mandrel 4, a positioning pin 5, a protective gland 6, a planet carrier B7 and a planet carrier A8.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1-4, a planet carrier assembly welding tool comprises a base 1 which is horizontally and fixedly arranged, the upper surface of the base 1 is a horizontal plane, a horizontal three-jaw chuck is fixedly arranged below the base 1, a jaw abdicating hole which is used for allowing a jaw 2 of the three-jaw chuck to vertically penetrate out is formed in the base 1, the jaw 2 can move radially through the jaw abdicating hole, a floating positioning block 3 is arranged at the upper end of the jaw 2, the floating positioning block 3 is vertically slidably arranged on a mandrel 4 which is vertically arranged at the upper end of the jaw 2, the floating positioning block 3 is arranged above the base 1, the floating positioning block 3 is arranged on the lower surface of the outer part of the jaw 2 and the upper surface of the base 1 to form a positioning clamping plane, the floating positioning block 3 is arranged on the upper surface of the outer part of the jaw 2, the floating positioning block 3 is arranged on the thickness of the outer part of the jaw 2 and is equal to the welding control interval of the planet carrier assembly, a vertical positioning pin 5 is arranged on the base 1, and the positioning pin 5 is highly larger than the floating positioning block 3 is arranged on the outer part of the jaw 2.
Like this, place planet carrier B level on the base, the jack catch of three-jaw chuck passes the hole on the planet carrier B bottom plate, and spacing groove on the planet carrier B bottom plate is joined in marriage and is accomplished circumference spacing with the locating pin cooperation, starts the three-jaw chuck, and the jack catch of three-jaw chuck rises and tightly accomplishes the centering in planet carrier B's hole, and the locating piece motion that floats compresses tightly the laminating on planet carrier B bottom plate through gravity, packs into planet carrier A, on the spacing groove on the planet carrier A with planet carrier A and planet carrier B are adjusted well in the locating pin cooperation, compress tightly the laminating on the locating piece that floats with planet carrier A's bottom plate, welds planet carrier A and planet carrier B's junction. The floating positioning block and the positioning clamping plane on the base are used for positioning and pressing the bottom plate of the planet carrier B, and the placing plane is used for being attached to the bottom plate of the planet carrier A. The welding control interval of the planet carrier assembly is the design interval of the planet carrier A and the planet carrier B, and the interval of two parts after the welding of the planet carrier assembly is finished can be effectively ensured by the design of the floating positioning block. The plane arranged on the upper surface and the lower surface of the floating positioning block can better determine the parallelism between two opposite planes of the planet carrier A and the planet carrier B. The device is simple and convenient to use, and can ensure the welding quality and improve the qualification rate of finished products.
In this embodiment, the dabber 4 is fixed through the bolt of vertical setting 2 upper ends, the vertical pilot hole that is provided with the diameter and is greater than or equal to on the floating locating piece 3 the dabber 4 external diameter, the floating locating piece 3 passes through the pilot hole cooperation is in the setting on the dabber 4.
Like this, when being greater than the dabber diameter, the setting of floating locating piece leaned out downwards, and at the in-process that the jack catch moved outwards, the bottommost end of floating locating piece at first contacts with planet carrier B bottom plate, and at the in-process that the jack catch lasts outside extension, the laminating of floating locating piece lower surface and bottom plate becomes the horizontality to press down on planet carrier B under the action of gravity. When the diameter of the mandrel is equal to the diameter of the mandrel, the floating positioning block is always in a horizontal state and only slides under the action of gravity, so that the situation that the floating positioning block is clamped by being abutted to the bottom plate due to inclination is avoided.
In this embodiment, the floating positioning block 3 is located at the outer side part of the jaw 2 and protrudes downwards.
Therefore, on the basis of not changing the size of the existing clamping jaw, the floating positioning block can be matched with more planetary carriers with smaller bottom plate thicknesses for use.
In this embodiment, the floating positioning block 3 is provided with a guiding chamfer 301 outside the lower end of the jaw 2.
Therefore, the guiding chamfer ensures that the three-jaw chuck moves outwards and can automatically drive the floating positioning block to be pressed on the bottom plate of the planet carrier B, so that the outer end of the floating positioning block and Kong Dizhu on the bottom plate of the planet carrier B are avoided. The lead-in chamfer can be a round angle or a bevel angle.
In this embodiment, the angle of the lead-in chamfer 301 is less than or equal to 30 degrees.
Thus, the angle can be set to ensure a better effect of introducing the chamfer.
In this embodiment, base 1 is followed 2 direction of motion of jack catch is provided with the groove of stepping down, step down the groove width with 2 matches of jack catch, step down the groove with the jack catch hole of stepping down is linked together.
Like this, can let the jack catch let the hole set up littleer, let the groove also can effectual restriction jack catch direction of motion.
In this embodiment, still include vertical interval setting at the protection gland 6 of base 1 top, it is protruding that protection gland 6 is provided with the pressure equipment downwards, vertical being provided with on protection gland 6 with the coaxial welding of chuck hole of stepping down.
Like this, can effectual frightening planet carrier A and planet carrier B through the protection gland. Specifically, the three-jaw chuck can be arranged on a vertically ascending main shaft, and then the main shaft ascends to push the planet carrier A to a fixed protection gland to compress and finish the fixation before welding.
In this embodiment, the three-jaw chuck is a pneumatic three-jaw chuck.
Therefore, the jaw has higher moving precision and is more convenient to control.
The invention also discloses a welding method of the planet carrier assembly, which comprises the following steps:
s1, horizontally placing a planet carrier B7 on a base 1, enabling a clamping jaw 2 of a three-jaw chuck to penetrate through an inner hole in a bottom plate of the planet carrier B7, and matching a limiting groove in the bottom plate of the planet carrier B7 with a positioning pin 5 to complete circumferential limiting;
s2, starting the three-jaw chuck, tensioning the jack catch 2 of the three-jaw chuck to an inner hole of the planet carrier B7 to finish centering, and pressing and attaching the floating positioning block 3 to a bottom plate of the planet carrier B7 through gravity in an upward movement manner;
s3, a planet carrier A8 is arranged, the spacing groove on the planet carrier A8 is matched with the positioning pin 5 to be aligned with the planet carrier A8 and the planet carrier B7, and a bottom plate of the planet carrier A8 is tightly pressed and attached to the floating positioning block 3;
and S4, welding the joint of the planet carrier A8 and the planet carrier B7.
Therefore, the method can simply, efficiently and reliably complete the positioning and fixing before the welding of the planet carrier A and the planet carrier B, ensure the spacing distance between the planet carrier A and the planet carrier B, ensure the parallelism between the bottom surfaces of the planet carrier A and the planet carrier B and ensure the welding quality.
In the above method, the step S4 is laser welding.
Therefore, the laser welding deformation is small, the efficiency is high, and the welding quality is better. Firstly, completing primary fixing by adopting a low-power spot welding mode, completing low-power sealing welding, and finally completing welding by adopting high-power deep welding.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A welding tool for a planet carrier assembly is characterized by comprising a base (1) which is horizontally and fixedly arranged, the upper surface of the base (1) is a horizontal plane, a horizontal three-jaw chuck is fixedly arranged below the base (1), a jaw abdicating hole for the jaw (2) of the three-jaw chuck to vertically penetrate out is arranged on the base (1), the clamping jaw (2) can move along the radial direction of the clamping jaw abdicating hole, a floating positioning block (3) is arranged at the upper end of the clamping jaw (2), the floating positioning block (3) is vertically arranged on a mandrel (4) vertically arranged at the upper end of the clamping jaw (2) in a sliding way, the floating positioning block (3) is positioned above the base (1), the lower surface of the floating positioning block (3) positioned at the outer part of the claw (2) and the upper surface of the base (1) form a positioning clamping plane, the floating positioning block (3) is positioned on the upper surface of the outer side part of the jaw (2) to form a placing plane, the thickness of the floating positioning block (3) on the outer part of the clamping jaw (2) is equal to the welding control interval of the planet carrier assembly, the parallelism between two opposite planes of the planet carrier A and the planet carrier B is determined by the planes arranged on the upper surface and the lower surface of the floating positioning block (3), a vertical positioning pin (5) is arranged on the base (1), the height of the positioning pin (5) is larger than the thickness of the floating positioning block (3) on the outer side part of the clamping jaw (2).
2. The planet carrier assembly welding tool according to claim 1, wherein the mandrel (4) is fixed to the upper end of the claw (2) through a vertically arranged bolt, a mounting hole with a diameter larger than or equal to the outer diameter of the mandrel (4) is vertically arranged on the floating positioning block (3), and the floating positioning block (3) is arranged on the mandrel (4) through the mounting hole in a matched manner.
3. The planet carrier assembly welding tool according to claim 2, wherein the floating positioning block (3) is located at the outer side portion of the clamping jaw (2) and protrudes downwards.
4. The planet carrier assembly welding tool according to claim 1 or 2, wherein a guiding chamfer (301) is arranged outside the lower end of the floating positioning block (3) located outside the clamping jaw (2).
5. The planet carrier assembly welding tool according to claim 4, wherein the angle of the lead-in chamfer (301) is less than or equal to 30 degrees.
6. The planet carrier assembly welding tool according to claim 1, wherein the base (1) is provided with a yielding groove along the moving direction of the clamping jaw (2), the width of the yielding groove is matched with that of the clamping jaw (2), and the yielding groove is communicated with the clamping jaw yielding hole.
7. The planet carrier assembly welding tool according to claim 1, further comprising a protection gland (6) vertically arranged above the base (1) at an interval, wherein the protection gland (6) is provided with a press fitting protrusion downwards, and the protection gland (6) is vertically provided with a welding abdicating hole coaxial with the chuck.
8. The planet carrier assembly welding tool of claim 1, wherein the three-jaw chuck is a pneumatic three-jaw chuck.
9. A welding method of a planet carrier assembly is used for the welding tool of the planet carrier assembly as set forth in any one of claims 1 to 8, and is characterized in that:
s1, a planet carrier B (7) is horizontally placed on a base (1), clamping jaws (2) of a three-jaw chuck penetrate through an inner hole in a bottom plate of the planet carrier B (7), and a limiting groove in the bottom plate of the planet carrier B (7) is matched with a positioning pin (5) to complete circumferential limiting;
s2, starting the three-jaw chuck, tensioning the jack catch (2) of the three-jaw chuck with the inner hole of the planet carrier B (7) to complete centering, and pressing and attaching the floating positioning block (3) to the bottom plate of the planet carrier B (7) through gravity in an upward movement manner;
s3, a planet carrier A (8) is arranged, a limit groove on the planet carrier A (8) is matched with the positioning pin (5) to align the planet carrier A (8) and the planet carrier B (7), and a bottom plate of the planet carrier A (8) is tightly pressed and attached to the floating positioning block (3);
and S4, welding the joint of the planet carrier A (8) and the planet carrier B (7).
10. The welding method for a planetary carrier assembly as claimed in claim 9, wherein the step S4 is performed by laser welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011627942.4A CN112846612B (en) | 2020-12-31 | 2020-12-31 | Welding tool and welding method for planet carrier assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011627942.4A CN112846612B (en) | 2020-12-31 | 2020-12-31 | Welding tool and welding method for planet carrier assembly |
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| CN112846612A CN112846612A (en) | 2021-05-28 |
| CN112846612B true CN112846612B (en) | 2022-10-21 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878277B (en) * | 2012-10-26 | 2015-04-22 | 盛瑞传动股份有限公司 | Processing technology of planet carrier welding assembly |
| CN204504795U (en) * | 2015-01-21 | 2015-07-29 | 中煤第三建设（集团）有限责任公司 | Sinking winch tooth rest locating and machining frock |
| CN205817075U (en) * | 2016-05-26 | 2016-12-21 | 杭州太普机械科技有限公司 | Split type planet carrier and soldering appliance thereof |
| CN106641218A (en) * | 2016-12-14 | 2017-05-10 | 普尔菲特传动设备盐城有限公司 | Planetary gear split type planet carrier |
| CN107498345A (en) * | 2017-10-18 | 2017-12-22 | 芜湖易迅生产力促进中心有限责任公司 | A kind of intelligent cylindrical workpiece clamping device |
| CN208147628U (en) * | 2018-04-04 | 2018-11-27 | 华南理工大学 | A kind of two-in-one fixture of RV retarder planet carrier peripheral milling operation |
| CN109877532A (en) * | 2018-11-30 | 2019-06-14 | 中国第一汽车股份有限公司 | A kind of processing method of split type planet carrier assembly |
| CN111673349A (en) * | 2020-06-08 | 2020-09-18 | 西安法士特汽车传动有限公司 | Fixing device and clamping and positioning method for AT planet carrier welding assembly |
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