CN108581327B - Welding tool for rear support of engine and application method of welding tool - Google Patents
Welding tool for rear support of engine and application method of welding tool Download PDFInfo
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- CN108581327B CN108581327B CN201810578272.8A CN201810578272A CN108581327B CN 108581327 B CN108581327 B CN 108581327B CN 201810578272 A CN201810578272 A CN 201810578272A CN 108581327 B CN108581327 B CN 108581327B
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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
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The invention discloses a welding tool for rear support of an engine and a use method thereof, wherein the welding tool comprises an inclined backup plate, a reference plate, a locating pin, a locating column and a cushion block; the reference plate is connected with the inclined backup plate, the positioning column and the cushion block to form a welding tool; the reference plate is horizontally arranged, and the bottom end of the inclined leaning plate is connected to the reference plate and used for placing the inclined leaning plate; the inclined backup plate and the reference plate form an obtuse angle, and two positioning holes are formed in the inclined backup plate and correspond to two mounting holes in the upper row of the rear supporting inclined vertical plate of the engine; the middle part of the reference plate is provided with a cushion block for placing the supporting plate, the bottom end of the cushion block is connected to the reference plate, the upper surface of the cushion block forms an acute angle with the reference plate, and the acute angle is the same as the included angle between the supporting plate and the bottom plate after the engine; the front end of the reference plate is provided with two positioning columns for placing a bottom plate, and the two positioning columns correspond to the two round holes on the rear supporting bottom plate of the engine; the positioning column is provided with a boss. The structure is simple and easy to operate, batch welding can be realized, and the welding working hour is greatly shortened on the premise of ensuring the welding precision.
Description
Technical Field
The invention relates to a welding tool for engine rear support and a use method thereof, and belongs to the technical field of articulated dumpers.
Background
The assembly size of two positioning mounting surfaces and 6 positioning mounting holes needs to be ensured when the rear supporting structural member is mounted, the requirement on the welding precision of the structural member is higher, and the problem that how to improve the working efficiency and realize batch welding while ensuring the welding precision is solved at present.
Disclosure of Invention
The purpose is as follows: in order to overcome the defects in the prior art, the invention provides a welding tool for an engine rear support.
The technical scheme is as follows: in order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a welding frock for engine back support which characterized in that:
the rear support of the engine comprises an inclined vertical plate, a connecting plate, a bottom plate and a supporting plate, wherein the front end of the connecting plate is connected with the inclined vertical plate, the bottom end of the rear part of the connecting plate is connected with the bottom plate, and the supporting plate sequentially supports the inclined vertical plate, the bottom plate and the connecting plate from below to form an integral welding structure; the bottom plate is horizontally arranged, the inclined vertical plate forms an obtuse angle (90 degrees plus alpha degrees) with the bottom plate, the supporting plate is positioned at the lowest part, the inclined edges at the lower part of the connecting plate are attached and attached symmetrically left and right along the symmetrical reference, and the inclined vertical plate and the bottom plate are simultaneously overlapped; the supporting plate forms an acute angle b DEG with the bottom plate; the inclined vertical plate is provided with four mounting holes, the bilateral symmetry centers of the four mounting holes are used as bilateral symmetry references, two round holes are formed in the bottom plate, and the inclined vertical plate is bilaterally symmetrical along the symmetry references; the rear support of the engine takes an overall symmetrical structure based on the symmetrical reference;
the welding tool comprises an inclined backup plate, a reference plate, a positioning pin, a positioning column and a cushion block; the welding fixture is formed by connecting a reference plate with an inclined backup plate, a positioning column and a cushion block, and the positioning pin is in assembling relation with a hole forming shaft of the inclined backup plate;
the base plate is horizontally arranged, and the bottom end of the inclined backup plate is connected to the base plate and used for placing the inclined vertical plate; the inclined plate and the reference plate form an obtuse angle (90 degrees+alpha degrees), two positioning holes are formed in the inclined plate and correspond to two mounting holes in the upper row of the inclined vertical plate for supporting the rear engine, and after the two mounting holes in the upper row of the inclined vertical plate are aligned with the two positioning holes in the inclined plate, the inclined vertical plate is fixed on the inclined plate through positioning pins;
the middle part of the reference plate is provided with a cushion block for placing the supporting plate, the bottom end of the cushion block is connected to the reference plate, the upper surface of the cushion block forms an acute angle b DEG with the reference plate, and the included angle between the supporting plate and the bottom plate is the same as that between the supporting plate and the bottom plate after the engine; one end of the supporting plate is tightly attached to the leaning plate and the reference plate, and the other end of the supporting plate is arranged along the upper surface direction of the cushion block;
the front end of the reference plate is provided with two positioning columns for placing a bottom plate, and the two positioning columns correspond to the two round holes on the rear supporting bottom plate of the engine; the positioning column is provided with a round boss which is used for being inserted into a round hole on the bottom plate to position.
Further, engine back support weld frock, its characterized in that: the distance between the centers of the two positioning columns is equal to the distance between the centers of the two round holes on the bottom plate. The diameter of the positioning column is larger than that of the round hole on the bottom plate, and the diameter of the round boss is smaller than that of the round hole on the bottom plate.
Further, engine back support weld frock, its characterized in that: the height of the positioning column is the same as the distance between the lower surface of the bottom plate and the horizontal plane of the lowest point of the supporting plate.
Further, engine back support weld frock, its characterized in that: the boss height on the reference column should be slightly greater than the bottom plate thickness and boss and the round hole on the bottom plate belong to clearance fit.
As the preferable scheme, engine back support weld frock, its characterized in that: the symmetrical centers of the two positioning holes are used as bilateral symmetry references, and the inclined backup plate, the reference plate, the cushion block and the two positioning columns form a bilateral symmetry structure, so that the whole welding tool forms the bilateral symmetry structure.
Further, engine back support weld frock, its characterized in that: the length of the shaft head of the locating pin is slightly larger than the sum of the thicknesses of the inclined vertical plate and the inclined leaning plate.
Further, engine back support weld frock, its characterized in that: hole shaft fit between the locating pin and the locating hole of the inclined leaning plate belongs to clearance fit.
The welding tool for the rear support of the engine is characterized in that: the cushion block has a certain width, so that the support plate is convenient to place; preferably, the width of the cushion block is not less than 1/4 of the width of the supporting plate.
The invention also provides a using method of the welding tool for the engine rear support, which comprises the following steps: before welding, firstly placing a supporting plate on a cushion block, wherein one end of the supporting plate is clung to the leaning plate and the reference plate, and the other end of the supporting plate is arranged along the upper surface direction of the cushion block; then positioning and horizontally placing the bottom plate through two positioning column bosses; then placing an inclined vertical plate, and fixing the inclined vertical plate on the inclined plate through a positioning pin after two mounting holes arranged on the inclined vertical plate are aligned with two positioning holes on the inclined plate; finally, a connecting plate is arranged in the middle, so that the inclined vertical plate, the supporting plate and the bottom plate are connected together, spot welding is carried out, and finally, sealing welding is carried out; after the welding is finished, after the rear support of the structural member engine is cooled, the locating pin is pulled out, and the structural member engine is vertically and upwards taken out to be supported.
The beneficial effects are that: according to the welding tool for the rear support of the engine, the welding tool for the rear support structural member of the engine is manufactured, the workpiece supporting plate is placed on the cushion block, the workpiece bottom plate is positioned and placed on the positioning column by the hole, the inclined vertical plate is fixed on the inclined leaning plate through the positioning pin, the workpiece has only vertical upward freedom degree after welding is finished through the mutual matching of the positioning column, the positioning pin, the reference plate and the inclined leaning plate, and the structural member is conveniently taken out after the positioning pin is pulled out. The welding tool is simple and effective in structure, low in cost, high in practicability, simple in use method, easy to operate, reusable, capable of greatly improving welding precision of the structural members, greatly reducing welding man-hour, improving labor efficiency and easy to realize batch welding.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of an engine rear support;
FIG. 3 is a schematic representation of the use of the present invention;
FIG. 4 is a schematic view of the installation of an engine rear support;
in the figure: the device comprises a leaning plate 1, a reference plate 2, a positioning pin 3, a positioning column 4 and a cushion block 5;
rear engine support 6: inclined vertical plate 61, mounting hole 611, connecting plate 62, bottom plate 63, round hole 631, pallet 64, engine rear mounting surface 7, and frame damper mounting surface 8.
Detailed Description
The invention will be further described with reference to specific examples.
As shown in fig. 2, the rear engine support 6, which is a structural member to be welded, comprises an inclined vertical plate 61, a connecting plate 62, a bottom plate 63 and a supporting plate 64, wherein the inclined vertical plate 61 and the bottom plate 63 are connected by the connecting plate 62, and the supporting plate 64 supports the inclined vertical plate 61, the connecting plate 62 and the bottom plate 63 from below to form an integral welding structure; the inclined vertical plate 61 is provided with four mounting holes 611, the distance and the size of which correspond to those of the four mounting holes of the rear mounting surface 7 of the engine, the symmetrical centers of the four mounting holes are taken as symmetrical left and right references, the inclined vertical plate 61, the bottom plate 63 and the supporting plate 64 form a symmetrical left and right structure, the plate thickness direction of the connecting plate 62 is symmetrical left and right along the symmetrical references, and the rear bearing of the engine is of an integral symmetrical structure based on the symmetrical references; to accommodate the inclination of the rear engine mounting surface 7 in the vertical direction to the interior of the engine by an angle of α °, the inclined riser 61 of the rear engine support is at an obtuse angle (90++α°) to the floor 63, wherein the floor 63 is horizontally disposed, the web 62 is generally triangular with a side slope equal to the length of the inclined riser 61 conforming to the side slope of the inclined riser 61, and its engagement surface with the floor 63 and its engagement surface with the inclined riser 61 are at an obtuse angle (90++α°); the joint of the rear lower part of the connecting plate 62 and the bottom plate 63 is provided with an L-shaped notch, the height of the L-shaped notch is slightly larger than the thickness of the bottom plate 63, and the length is equal to the width of the bottom plate 63; the bottom plate 63 is embedded into the L-shaped notch of the connecting plate, so that the structure is compact; the bottom plate 63 is provided with two round holes 631 which are bilaterally symmetrical along a symmetrical reference, countersink is arranged around the lower part of the bottom plate 1, the flatness of the joint surface of the bottom plate 1 and the machine frame damping mounting surface 8 is ensured by a small amount of plane processing, the processing cost is low, and the processing manufacturability is good; the supporting plate 64 is positioned at the lowest part, is attached to the lower bevel edge of the connecting plate 62 along a symmetrical reference and is symmetrical left and right, and simultaneously is overlapped with the inclined vertical plate 61 and the bottom plate 63, so that the whole rear support is forcefully reinforced; the middle part of the connecting plate 62 is provided with a lightening hole and a lifting hole; the left-right symmetry reference of the rear support of the engine is also the left-right symmetry reference of the frame shock absorption mounting surface 8, and the same symmetry reference is used for effectively avoiding assembly errors. As shown in fig. 4, the rear engine support 6 is connected to the rear engine mounting surface 7 via an inclined vertical plate, and is connected to the frame damper mounting surface 8 via a bottom plate.
As shown in fig. 1 and 3, the welding fixture for the rear engine support is used for quickly welding the rear engine support 6 and comprises a leaning plate 1, a reference plate 2, a locating pin 3, a locating column 4 and a cushion block 5; the reference plate 2 is connected with the inclined backup plate 1, the positioning column 4 and the cushion block 5 to form a welding tool, and the positioning pin 3 and the inclined backup plate 1 keep a hole shaft assembly relation;
the reference plate 2 is horizontally arranged, and the bottom end of the inclined leaning plate 1 is connected to the reference plate 2 and used for placing the inclined leaning plate 61; the inclined plate 1 forms an obtuse angle (90 degrees+alpha degrees) with the reference plate 2, two positioning holes are formed in the inclined plate 1, the two positioning holes correspond to two mounting holes 611 in the upper row of the inclined plate 61 of the rear engine support 6, and after the two mounting holes 611 in the upper row of the inclined plate 61 are aligned with the two positioning holes in the inclined plate 1, the inclined plate 61 is fixed on the inclined plate 1 through the positioning pins 3. The length of the shaft head of the locating pin 3 is slightly larger than the sum of the thicknesses of the inclined vertical plate and the inclined leaning plate 1, and the fit of the locating pin 3 and the hole shaft of the inclined leaning plate 1 belongs to clearance fit.
The middle part of the datum plate 2 is provided with a cushion block 5 for placing a supporting plate 64, the bottom end of the cushion block 5 is connected to the datum plate 2, the upper surface of the cushion block forms a certain included angle with the datum plate 2, the included angle is the same as the included angle between the supporting plate 64 and the bottom plate 63 after an engine, the cushion block 4 has a certain width, the supporting plate is convenient to place, one end of the supporting plate 64 is tightly attached to the inclined leaning plate 1 and the datum plate 2, and the other end of the supporting plate is arranged along the upper surface direction of the cushion block 4.
The front end of the reference plate 2 is provided with two positioning columns 4 for placing the bottom plate 63, and the two positioning columns 4 correspond to two round holes 631 on the bottom plate 63 of the rear engine support 6; the positioning column 4 is provided with a circular boss for being inserted into a circular hole 631 on the bottom plate 63 to position. The diameter of the positioning column 4 is larger than that of the round hole 631 on the bottom plate 63, and the diameter of the round boss is slightly smaller than that of the round hole 631 on the bottom plate 63. The distance between the centers of the two positioning posts 4 is equal to the distance between the centers of the two round holes on the bottom plate 63.
The height of the positioning column 4 is the same as the distance between the lower surface of the bottom plate 63 and the horizontal plane of the lowest point of the supporting plate 64, and the boss height is slightly larger than the plate thickness of the bottom plate and is in clearance fit with the round hole 631 on the bottom plate.
In this embodiment, the positioning holes and the positioning columns 4 are used as bilateral symmetry references at the bilateral symmetry centers, and the inclined leaning plate 1, the reference plate 2, the cushion block 5 and the two positioning columns 4 form a bilateral symmetry structure, so that the whole welding tool forms a bilateral symmetry structure. All shaft hole matching is clearance matching, so that the workpiece before welding is placed and the structural part after welding is taken out conveniently; the inclined vertical plate of the rear support 6 of the structural member engine is ensured by the cooperation of two positioning holes on the inclined backup plate and the positioning pins, so that the structural member can be conveniently taken out after welding and excessive positioning can be avoided, and the inclined angle of the inclined vertical plate is ensured by the inclined backup plate. After the welding is finished, the structural member is in an underpositioning state and can be taken out only by moving upwards vertically.
As shown in fig. 3, the method of use of the present invention is as follows: when the welding tool is used, the placing sequence of each workpiece is that firstly, the supporting plate 64 is placed on the cushion block 5, then the bottom plate 63 is horizontally placed through the boss positioning of the positioning column 4, then the inclined vertical plate 61 is placed and fixed on the inclined backup plate 1 by the positioning pin 3, finally, the connecting plate 62 is placed in the middle, so that the inclined vertical plate 61, the supporting plate 64 and the bottom plate 63 are connected together, then spot welding is carried out, and finally, sealing welding is carried out; the whole welding fixture limits all degrees of freedom except for the vertical upward of the structural component, after the welding is completed, after the rear support 6 of the structural component engine is cooled, the locating pin 3 is pulled out, and the structural component is taken out vertically and upwards, so that the welding fixture is convenient and quick.
In summary, according to the welding fixture for manufacturing the rear supporting structural member of the engine, the workpiece supporting plate is placed on the cushion block, the workpiece bottom plate is positioned on the positioning column by the hole, the inclined vertical plate is fixed on the inclined vertical plate through the positioning pin, the workpiece has only vertical upward freedom degree after welding is finished through the mutual matching of the positioning column, the positioning pin, the reference plate and the inclined vertical plate, and the structural member is conveniently taken out after the positioning pin is pulled out. The welding tool is simple and effective in structure, low in cost, high in practicability, simple in use method, easy to operate, capable of greatly improving welding precision of the structural members, greatly reducing welding working hours, improving labor efficiency and easy to realize batch welding.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (10)
1. The utility model provides a welding frock for engine back support which characterized in that:
the rear support of the engine comprises an inclined vertical plate, a connecting plate, a bottom plate and a supporting plate, wherein the front end of the connecting plate is connected with the inclined vertical plate, the bottom end of the rear part of the connecting plate is connected with the bottom plate, and the supporting plate sequentially supports the inclined vertical plate, the bottom plate and the connecting plate from below to form an integral welding structure; the bottom plate is horizontally arranged, the inclined vertical plate forms an obtuse angle (90 degrees plus alpha degrees) with the bottom plate, the supporting plate is positioned at the lowest part, the inclined edges at the lower part of the connecting plate are attached and attached symmetrically left and right along the symmetrical reference, and the inclined vertical plate and the bottom plate are simultaneously overlapped; the supporting plate forms an acute angle b DEG with the bottom plate; the inclined vertical plate is provided with four mounting holes, the bilateral symmetry centers of the four mounting holes are used as bilateral symmetry references, two round holes are formed in the bottom plate, and the inclined vertical plate is bilaterally symmetrical along the symmetry references; the rear support of the engine takes an overall symmetrical structure based on the symmetrical reference;
the welding tool comprises an inclined backup plate, a reference plate, a positioning pin, a positioning column and a cushion block; the welding fixture is formed by connecting a reference plate with an inclined backup plate, a positioning column and a cushion block, and the positioning pin is in assembling relation with a hole forming shaft of the inclined backup plate;
the base plate is horizontally arranged, and the bottom end of the inclined backup plate is connected to the base plate and used for placing the inclined vertical plate; the inclined plate and the reference plate form an obtuse angle (90 degrees+alpha degrees), two positioning holes are formed in the inclined plate and correspond to two mounting holes in the upper row of the inclined vertical plate for supporting the rear engine, and after the two mounting holes in the upper row of the inclined vertical plate are aligned with the two positioning holes in the inclined plate, the inclined vertical plate is fixed on the inclined plate through positioning pins;
the middle part of the reference plate is provided with a cushion block for placing the supporting plate, the bottom end of the cushion block is connected to the reference plate, the upper surface of the cushion block forms an acute angle b DEG with the reference plate, and the included angle between the supporting plate and the bottom plate is the same as that between the supporting plate and the bottom plate after the engine; one end of the supporting plate is tightly attached to the leaning plate and the reference plate, and the other end of the supporting plate is arranged along the upper surface direction of the cushion block;
the front end of the reference plate is provided with two positioning columns for placing a bottom plate, and the two positioning columns correspond to the two round holes on the rear supporting bottom plate of the engine; the positioning column is provided with a boss which is used for being inserted into the round hole on the bottom plate to position.
2. The welding fixture for engine rear support according to claim 1, wherein: the distance between the centers of the two positioning columns is equal to the distance between the centers of the two round holes on the bottom plate.
3. The welding fixture for engine rear support according to claim 1, wherein: the diameter of the positioning column is larger than that of the round hole on the bottom plate, and the diameter of the boss is smaller than that of the round hole on the bottom plate.
4. The welding fixture for engine rear support according to claim 1, wherein: the height of the positioning column is the same as the distance between the lower surface of the bottom plate and the horizontal plane of the lowest point of the supporting plate.
5. The welding fixture for engine rear support according to claim 1, wherein: the boss on the locating column is in clearance fit with the round hole on the bottom plate.
6. The welding fixture for engine rear support according to claim 1, wherein: the symmetrical centers of the two positioning holes are used as bilateral symmetry references, and the inclined backup plate, the reference plate, the cushion block and the two positioning columns form a bilateral symmetry structure, so that the whole welding tool forms the bilateral symmetry structure.
7. The welding fixture for engine rear support according to claim 1, wherein: the length of the shaft head of the locating pin is larger than the sum of the thicknesses of the inclined vertical plate and the inclined leaning plate.
8. The welding fixture for engine rear support according to claim 1, wherein: hole shaft fit between the locating pin and the locating hole of the inclined leaning plate belongs to clearance fit.
9. The welding fixture for engine rear support according to claim 1, wherein: the width of the cushion block is not less than 1/4 of the width of the supporting plate, so that the supporting plate is convenient to place.
10. The method for using the welding fixture for engine rear support according to any one of claims 1 to 9, wherein: before welding, firstly placing a supporting plate on a cushion block, wherein one end of the supporting plate is clung to the leaning plate and the reference plate, and the other end of the supporting plate is arranged along the upper surface direction of the cushion block; then positioning and horizontally placing the bottom plate through two positioning column bosses; then placing an inclined vertical plate, and fixing the inclined vertical plate on the inclined plate through a positioning pin after two mounting holes arranged on the inclined vertical plate are aligned with two positioning holes on the inclined plate; finally, a connecting plate is arranged in the middle, so that the inclined vertical plate, the supporting plate and the bottom plate are connected together, spot welding is carried out, and finally, sealing welding is carried out; after the welding is finished, after the rear support of the structural member engine is cooled, the locating pin is pulled out, and the structural member engine is vertically and upwards taken out to be supported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810578272.8A CN108581327B (en) | 2018-06-07 | 2018-06-07 | Welding tool for rear support of engine and application method of welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810578272.8A CN108581327B (en) | 2018-06-07 | 2018-06-07 | Welding tool for rear support of engine and application method of welding tool |
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| Publication Number | Publication Date |
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| CN108581327A CN108581327A (en) | 2018-09-28 |
| CN108581327B true CN108581327B (en) | 2023-06-27 |
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| CN201810578272.8A Active CN108581327B (en) | 2018-06-07 | 2018-06-07 | Welding tool for rear support of engine and application method of welding tool |
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| CN111230379B (en) * | 2020-01-22 | 2022-03-25 | 中车长春轨道客车股份有限公司 | Assembly welding process for high-speed rail bogie frame and brake hanging seat |
| CN112427864A (en) * | 2020-11-17 | 2021-03-02 | 四川九洲电器集团有限责任公司 | Device and method for controlling welding deformation of component |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4692163B2 (en) * | 2005-08-30 | 2011-06-01 | 日産自動車株式会社 | Work positioning support device and work positioning support method |
| CN103223608B (en) * | 2013-04-27 | 2015-09-16 | 芜湖永裕汽车工业有限公司 | A kind of end face finish-milling fixture being applicable to the gradient engine cylinder cover of band |
| CN203696303U (en) * | 2013-12-20 | 2014-07-09 | 柳州杰龙汽车零部件制造有限公司 | Dumper lifting oil cylinder lower support welding tool |
| CN205148127U (en) * | 2015-10-28 | 2016-04-13 | 天津市懿峰工贸有限公司 | Engine is prepared preorder and is supported tool |
| CN105328481A (en) * | 2015-11-27 | 2016-02-17 | 重庆渝记涵诚机械制造有限公司 | Engine bracket bottom drilling clamp |
| CN205290350U (en) * | 2016-01-06 | 2016-06-08 | 重庆幻速汽车配件有限公司 | Engine tray frock |
| CN205733567U (en) * | 2016-05-16 | 2016-11-30 | 南昌市日诚实业有限公司 | A kind of for engine beam welding tooling |
| CN207173286U (en) * | 2017-09-19 | 2018-04-03 | 徐州徐工矿山机械有限公司 | A kind of electric transmission quarry tipper power assembly bearing |
| CN208496172U (en) * | 2018-06-07 | 2019-02-15 | 徐州徐工矿山机械有限公司 | A kind of engine rear support welding tooling |
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