CN115609137B - Inner supporting clamp for displacement welding of circumferential seams of cylinder - Google Patents
Inner supporting clamp for displacement welding of circumferential seams of cylinder Download PDFInfo
- Publication number
- CN115609137B CN115609137B CN202211183905.8A CN202211183905A CN115609137B CN 115609137 B CN115609137 B CN 115609137B CN 202211183905 A CN202211183905 A CN 202211183905A CN 115609137 B CN115609137 B CN 115609137B
- Authority
- CN
- China
- Prior art keywords
- inner support
- wedge
- cylinder
- support assembly
- mandrel
- 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.)
- Active
Links
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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Clamps And Clips (AREA)
Abstract
The application provides an inner support clamp for cylinder circumferential seam displacement welding, which comprises a cylinder, a mandrel, a screw rod, a switching disc, a clamping disc and an inner support assembly, wherein the mandrel is arranged in the middle of the cylinder and extends along the central axis of the cylinder; the adapter plate is circumferentially fixed on the outer side face of the mandrel and is positioned in the barrel, the inner support assembly is annular, the outer peripheral face of the inner support assembly is abutted with the inner side wall of the barrel, and the inner peripheral face of the inner support assembly is fixed with the adapter plate. Circumferential force is generated through the wedge-shaped inclined plane, the diameter is expanded and the circle is expanded, and the support of the cylinder body is ensured; the screw rod, the inner support assembly and the workpiece form a rigid assembly, so that the torque of the mandrel can be fully transmitted to the workpiece, and the workpiece slipping in the friction stir welding process is avoided.
Description
Technical Field
The application relates to the technical field of welding, in particular to an inner support clamp for cylinder circumferential seam displacement welding.
Background
In recent years, the cylinder structure is mainly widely applied to various manufacturing fields such as aerospace, petroleum equipment, high-voltage transmission lines, national defense and military, and the like.
With the development of technology, there is an urgent need for efficient, high quality and rapid manufacturing of aluminum alloy cylinders. In particular, with the application of precision machining, friction stir welding and other technologies such as aerospace, national defense and military, the requirements on dimensional tolerance, form and position tolerance and the like of workpieces are also higher and higher.
Because the rigidity of the aluminum alloy cylinder body is weak, the rigidity correction of roundness needs to be carried out in a forced assembly mode, the rigidity of a common internal supporting clamp is weak, a gap is formed between the common internal supporting clamp and the inner surface of a workpiece in the assembly process, the welding defect of friction stir welding is caused, and simultaneously the workpiece and the internal support slip and lose the supporting function when the workpiece is displaced and rotated.
Disclosure of Invention
Aiming at the problems that the existing inner support clamp for the cylinder cannot conduct rigid correction on roundness, is weak in torque transmission capacity and the like, the application provides the inner support clamp for the displacement welding of the cylinder circumferential seam, the inner support clamp is used for realizing the roundness correction of the cylinder, and the inner support requirement of the displacement welding of the cylinder circumferential seam of the aluminum alloy weak-rigidity cylinder is met.
The application provides an inner support clamp for cylinder circumferential seam displacement welding, which comprises a cylinder, a mandrel, a screw rod, a switching disc, a clamping disc and an inner support assembly, wherein the mandrel is arranged in the middle of the cylinder and extends along the central axis of the cylinder, both ends of the mandrel extend to the outer side of the cylinder, one end of the screw rod is fixed on the mandrel, the other end of the screw rod penetrates through the side wall of the cylinder, and the clamping disc is circumferentially fixed on the outer side surface of the mandrel and is positioned at the end part of the mandrel; the adapter plate is circumferentially fixed on the outer side face of the mandrel and is positioned in the barrel, the inner support assembly is annular, the outer peripheral face of the inner support assembly is in butt joint with the inner side wall of the barrel, and the inner peripheral face of the inner support assembly is fixed with the adapter plate.
Preferably, the inner support assembly is composed of a wedge-shaped ring block, two guide ring blocks and an arc-shaped assembly, wherein the two guide ring blocks are respectively fixed at two ends of the wedge-shaped ring block, and two ends of the arc-shaped assembly are respectively connected with the two guide ring blocks.
Preferably, the arc assembly comprises a plurality of arc-shaped ring blocks, and a plurality of arc-shaped ring blocks are connected.
Preferably, the guide ring block and the inner side wall of the arc-shaped ring block are provided with fixing plates facing the center of the inner support assembly, the fixing plates are provided with taper holes, taper pin shafts are arranged in the taper holes, and the inner support assembly is fixedly connected with the switching disc through the taper pin shafts.
Preferably, two adjacent arc ring blocks are connected through a connecting block and two cylindrical pin shafts, first connecting holes are formed in two ends of each arc ring block, second connecting holes are formed in the connecting block, and the cylindrical pin shafts sequentially penetrate through the second connecting holes and the first connecting holes to fixedly connect the two adjacent arc ring blocks.
Preferably, the wedge-shaped ring block is fixedly connected with the guide ring block through a screw.
Preferably, the two ends of the wedge-shaped ring block are provided with bosses, one end of the guide ring block, which is connected with the wedge-shaped ring block, is provided with a groove, the bosses can extend into the groove, and the end faces of the bosses are provided with first wedge-shaped inclined planes.
Preferably, a second wedge-shaped inclined surface along the radial direction of the inner support assembly is arranged on the side surface of the boss.
Preferably, the wedge-shaped ring block, the guide ring block and the middle part of the arc-shaped ring block are all provided with material saving holes.
Preferably, the screw is circumferentially provided with a plurality of through holes at intervals, two ends of the cylinder are circumferentially provided with a plurality of through holes at intervals, and the end parts of the screw penetrate through the through holes.
The beneficial effects of the application are as follows:
1. the application adopts the first wedge-shaped inclined plane to generate circumferential force and expand the diameter and expand the circle, and simultaneously, a small section of second wedge-shaped inclined plane along the radial direction of the workpiece is arranged on the wedge-shaped block for convenient installation, and the double wedge-shaped inclined planes can ensure the circle expansion of the workpiece, so that the inner support assembly can stably support the inner wall of the cylinder.
2. The screw rod, the inner support assembly and the workpiece form a rigid assembly, so that the torque of the mandrel can be fully transmitted to the workpiece, and the workpiece slipping in the friction stir welding process is avoided.
3. The guide ring block and the arc ring block are connected, and the arc ring block are connected by adopting a connecting block and a cylindrical pin shaft, and the inner cavities of the arc ring blocks are in clearance hinge fit, so that the guide ring block is suitable for the change of the relative positions of the arc ring blocks during rounding, and the assembly is simpler.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of an inner support clamp for cylinder circumferential seam displacement welding.
FIG. 2 is a side view of an inner support clamp for barrel girth displacement welding according to the application.
Fig. 3 is a schematic perspective view of an inner support assembly in an inner support clamp for cylinder circumferential seam displacement welding.
FIG. 4 is a side view of an inner support assembly in an inner support clamp for barrel circumferential seam displacement welding according to the present application.
Fig. 5 is a schematic perspective view of a wedge-shaped ring block in the inner support clamp for displacement welding of a cylinder circumferential seam.
FIG. 6 is a schematic cross-sectional view of an inner support assembly in an inner support clamp for displacement welding of a circumferential seam of a cylinder according to the present application.
In the figure: 1. barrel, 2, dabber, 3, screw rod, 4, switching dish, 5, clamping disk, 6, interior support assembly, 7, through-hole, 8, wedge ring piece, 9, guide ring piece, 10, arc ring piece, 11, screw, 12, boss, 13, recess, 14, first wedge inclined plane, 15, second wedge inclined plane, 16, connecting block, 17, cylindrical pin axle, 18, fixed plate, 19, taper hole, 20, conical pin axle, 21, proving the material hole.
Detailed Description
In order to make the objects, features and advantages of the present application more obvious and understandable, the technical solutions of the present application will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present application, but not all embodiments of the present application. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the application are intended to be within the scope of the patent protection.
As shown in fig. 1 to 6, in the present embodiment, the present application proposes an inner support fixture for circumferential seam displacement welding of a barrel, which includes a barrel 1, a mandrel 2, a screw 3, a switching disc 4, a clamping disc 5 and an inner support assembly 6, wherein the mandrel 2 is disposed in the middle of the barrel 1 and extends along the central axis of the barrel 1, both ends of the mandrel 2 extend to the outside of the barrel 1, one end of the screw 3 is fixed to the mandrel 2, the other end of the screw 3 passes through the side wall of the barrel 1, the clamping disc 5 is circumferentially fixed to the outer side surface of the mandrel 2, and the clamping disc 5 is located at the end of the mandrel 2; the adapter plate 4 is circumferentially fixed on the outer side face of the mandrel 2, the adapter plate 4 is positioned in the barrel 1, the inner support assembly 6 is annular, the outer peripheral face of the inner support assembly 6 is abutted with the inner side wall of the barrel 1, and the inner peripheral face of the inner support assembly 6 is fixed with the adapter plate 4. The clamping disc 5 and the switching disc 4 can be fixed on the mandrel 2 in a welding mode to form a stable integral structure with the mandrel 2; when the cylinder body 1 is required to rotate, the chuck claw clamps the clamping disc 5 to realize the rotation and displacement of the inner support clamp and drive the cylinder body 1, when the chuck claw clamps the clamping disc 5 to rotate, the cylinder body 1 and the clamping disc 5 can rotate together under the action of the screw rod 3, and the screw rod 3 and the inner support assembly 6 can transmit the torque of the mandrel 2 to the cylinder body 1 together. Specifically, a plurality of screws 3 are circumferentially arranged at intervals, a plurality of through holes 7 are circumferentially arranged at the two ends of the cylinder body 1 at intervals, and the end parts of the screws 3 penetrate through the through holes 7; as shown in fig. 1, four screws 3 are disposed on the same plane, and the plane is perpendicular to the central axis of the cylinder 1, so that better torque transmission can be achieved, and meanwhile, the screws 3 are disposed at two ends of the cylinder 1 and at positions closest to the clamping discs 5 at two sides, so that better torque transmission can be achieved. The screw 3 may be alternatively provided in a screw structure, or may be alternatively provided in another bar-shaped structure.
As shown in fig. 2 to 5, the inner support assembly 6 is composed of a wedge-shaped ring block 8, two guide ring blocks 9 and an arc-shaped component, wherein the two guide ring blocks 9 are respectively fixed at two ends of the wedge-shaped ring block 8, and two ends of the arc-shaped component are respectively connected with the two guide ring blocks 9. Wherein, the arc subassembly includes a plurality of arc ring pieces 10, and a plurality of arc ring pieces 10 are connected. The wedge-shaped ring block 8 and the guide ring block 9 are fixedly connected through screws 11, specifically, screw holes are formed in the wedge-shaped ring block 8 and the guide ring block 9, and two ends of the wedge-shaped ring block 8 are fixedly connected with the guide ring block 9 through two screws 11; the two ends of the wedge-shaped ring block 8 are provided with bosses 12, one end of the guide ring block 9 connected with the wedge-shaped ring block 8 is provided with a groove 13, as shown in fig. 6, when the wedge-shaped ring block 8 is fixedly connected with the guide ring block 9, the bosses 12 extend into the groove 13, the end surfaces of the bosses 12 are provided with first wedge-shaped inclined surfaces 14, and the side surfaces of the bosses 12 are provided with second wedge-shaped inclined surfaces 15 along the radial direction of the inner support assembly 6; after the wedge-shaped ring block 8 and the guide ring block 9 are fastened through the screw 11, the first wedge-shaped inclined surface 14 generates circumferential force and expands the diameter to expand the circle, meanwhile, a small section of second wedge-shaped inclined surface 15 along the radial direction of the workpiece is arranged on one side surface of the boss 12 for being convenient to install, the double wedge-shaped inclined surfaces ensure the circle expansion of the inner support assembly 6, and the inner support effect of the inner support assembly 6 on the cylinder body 1 is ensured.
As shown in fig. 3 and 4, in the arc assembly, two adjacent arc ring blocks 10 are connected through a connecting block 16 and two cylindrical pin shafts 17, the two ends of the arc ring blocks 10 are provided with first connecting holes, the connecting block 16 is provided with second connecting holes, the cylindrical pin shafts 17 sequentially penetrate through the second connecting holes and the first connecting holes to fixedly connect the two adjacent arc ring blocks 10, and the connecting block 16 and the cylindrical pin shafts 17 are used for positioning and torque transmission. During installation, the connecting block 16 is inserted into the cylindrical pin shaft 17 at one end, and is inserted into the cylindrical pin shaft 17 at the other end after the round is expanded. It should be noted that, the guide ring block 9 and the arc ring block 10 are also connected by adopting the same connecting block 16 and the cylindrical pin 17, and the specific connection mode thereof can be referred to the above description, and the application will not be repeated.
The guide ring block 9 and the inner side wall of the arc-shaped ring block 10 are provided with a fixing plate 18 facing the center of the inner support assembly 6, the fixing plate 18 is provided with a taper hole 19, a taper pin shaft 20 is arranged in the taper hole 19, and the inner support assembly 6 is fixedly connected with the adapter plate 4 through the taper pin shaft 20. As shown in fig. 4, a plurality of fixing plates 18 are arranged at intervals, so that the connection strength is ensured and the material is saved.
Meanwhile, as shown in fig. 2 to 4, the middle parts of the wedge-shaped ring block 8, the guide ring block 9 and the arc-shaped ring block 10 are provided with material saving holes 21, so that the manufacturing cost can be saved.
The working principle of the inner support clamp for the displacement welding of the circumferential seam of the cylinder body is as follows:
when the circular seam welding is required, the inner support assembly 6 in the cylinder body 1 is installed and assembled in place in a block-by-block expanding way, the inner support assembly 6 is connected with the mandrel 2 through the conical pin shaft 20 and the bolt, the whole assembly is a rigid fixed body, the whole clamp can be hoisted to a position changing machine with two rotatable ends, and the clamping jaw clamping disc 5 of the position changing machine can finish circular seam position changing welding of a cylinder body workpiece.
The beneficial effects of the application are as follows from the above embodiments:
1. the application adopts the first wedge-shaped inclined plane 14 to generate circumferential force and expand the diameter and expand the circle, and simultaneously, a small section of second wedge-shaped inclined plane 15 along the radial direction of the workpiece is arranged on the wedge-shaped block for convenient installation, and the double wedge-shaped inclined planes can ensure the circle expansion of the workpiece, so that the inner support assembly 6 can stably support the inner wall of the cylinder body 1.
2. The application is provided with the screw 3 and the inner support assembly 6, and the two mechanisms and the cylinder 1 form a rigid assembly body, so that the torque of the mandrel 2 can be fully transmitted to the cylinder 1, and the phenomenon of slipping with the cylinder 1 in the friction stir welding process is avoided.
3. The guide ring block 9 and the arc ring block 10, and the arc ring block 10 are connected by adopting the connection mode of the connecting block 16 and the cylindrical pin shaft 17, and the inner cavity of the arc ring block 10 is in clearance hinge fit so as to adapt to the change of the relative position of the arc ring block 10 during rounding, so that the assembly is simpler.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The inner support clamp for the circumferential weld displacement welding of the cylinder is characterized by comprising a cylinder body, a mandrel, a screw rod, a switching disc, a clamping disc and an inner support assembly, wherein the mandrel is arranged in the middle of the cylinder body and extends along the central axis of the cylinder body, two ends of the mandrel extend to the outer side of the cylinder body, one end of the screw rod is fixed on the mandrel, the other end of the screw rod penetrates through the side wall of the cylinder body, and the clamping disc is circumferentially fixed on the outer side surface of the mandrel and is positioned at the end part of the mandrel;
the inner support assembly is annular, the outer peripheral surface of the inner support assembly is abutted with the inner side wall of the barrel, and the inner peripheral surface of the inner support assembly is fixed with the adapter plate;
the inner support assembly consists of a wedge-shaped ring block, two guide ring blocks and an arc-shaped assembly, wherein the two guide ring blocks are respectively fixed at two ends of the wedge-shaped ring block, two ends of the arc-shaped assembly are respectively connected with the two guide ring blocks, bosses are arranged at two ends of the wedge-shaped ring block, grooves are formed in one ends, connected with the wedge-shaped ring blocks, of the guide ring blocks, the bosses can extend into the grooves, first wedge-shaped inclined planes are arranged on the end faces of the bosses, and radial second wedge-shaped inclined planes along the inner support assembly are arranged on the side faces of the bosses.
2. The internal support fixture for displacement welding of a tubular body circumferential weld of claim 1, wherein said arcuate assembly comprises a plurality of arcuate loop blocks, a plurality of said arcuate loop blocks being connected.
3. The inner support clamp for displacement welding of the circular seam of the cylinder body according to claim 2, wherein the inner side walls of the guide ring block and the arc-shaped ring block are provided with a fixing plate facing the center of the inner support assembly, the fixing plate is provided with a taper hole, a conical pin shaft is arranged in the taper hole, and the inner support assembly is fixedly connected with the switching disc through the conical pin shaft.
4. The internal support clamp for displacement welding of a cylinder circumferential seam according to claim 2, wherein two adjacent arc-shaped ring blocks are connected through a connecting block and two cylindrical pin shafts, a first connecting hole is formed in two ends of each arc-shaped ring block, a second connecting hole is formed in each connecting block, and the cylindrical pin shafts sequentially penetrate through the second connecting holes and the first connecting holes to fixedly connect the two adjacent arc-shaped ring blocks.
5. The internal support clamp for cylinder girth displacement welding according to claim 1, wherein the wedge-shaped ring block is fixedly connected with the guide ring block by a screw.
6. The internal support clamp for displacement welding of the circumferential seam of the cylinder body according to claim 2, wherein the middle parts of the wedge-shaped ring block, the guide ring block and the arc-shaped ring block are provided with material saving holes.
7. The inner support jig for barrel circumferential seam displacement welding according to claim 1, wherein the screw is provided in plurality at intervals circumferentially, both ends of the barrel are provided with a plurality of through holes circumferentially spaced apart, and the end portions of the screw pass through the through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211183905.8A CN115609137B (en) | 2022-09-27 | 2022-09-27 | Inner supporting clamp for displacement welding of circumferential seams of cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211183905.8A CN115609137B (en) | 2022-09-27 | 2022-09-27 | Inner supporting clamp for displacement welding of circumferential seams of cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115609137A CN115609137A (en) | 2023-01-17 |
| CN115609137B true CN115609137B (en) | 2023-09-15 |
Family
ID=84859853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211183905.8A Active CN115609137B (en) | 2022-09-27 | 2022-09-27 | Inner supporting clamp for displacement welding of circumferential seams of cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115609137B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1220375A (en) * | 1967-04-27 | 1971-01-27 | Richard Glimpel | Improvements relating to gripping fixtures such as chucks and expanding mandrels |
| CA1178460A (en) * | 1982-12-03 | 1984-11-27 | Arthur W. Wright | Rotary holding tool |
| CN205393915U (en) * | 2016-03-14 | 2016-07-27 | 东方电气集团东方锅炉股份有限公司 | Deformation support frock is prevented to major diameter thin wall barrel |
| CN106624335A (en) * | 2016-10-19 | 2017-05-10 | 首都航天机械公司 | Centering butt joint positioning supporting device for vertical type stirring friction welding storage box assembly annular seam |
| CN207155340U (en) * | 2017-08-30 | 2018-03-30 | 安徽莱恩电泵有限公司 | Thin-walled support tube clamp for machining |
| CN208196068U (en) * | 2018-05-16 | 2018-12-07 | 山东豪迈机械制造有限公司 | A kind of barrel support device |
| CN212043637U (en) * | 2020-04-03 | 2020-12-01 | 陕西新兴热喷涂技术有限责任公司 | Workpiece clamping device |
| CN212192189U (en) * | 2020-05-27 | 2020-12-22 | 京鸿石油钻采工程技术有限公司 | Auxiliary supporting device for thin-wall workpiece machining |
| CN215146364U (en) * | 2021-07-15 | 2021-12-14 | 中国建筑第二工程局有限公司 | Welding fixture for steel structure |
| CN114227132A (en) * | 2022-01-18 | 2022-03-25 | 顾明强 | Welding method of metal cylinder welding machine |
| CN216997120U (en) * | 2021-07-13 | 2022-07-19 | 中节能西安启源机电装备有限公司 | Seamless winding drum mechanism of winding machine |
-
2022
- 2022-09-27 CN CN202211183905.8A patent/CN115609137B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1220375A (en) * | 1967-04-27 | 1971-01-27 | Richard Glimpel | Improvements relating to gripping fixtures such as chucks and expanding mandrels |
| CA1178460A (en) * | 1982-12-03 | 1984-11-27 | Arthur W. Wright | Rotary holding tool |
| CN205393915U (en) * | 2016-03-14 | 2016-07-27 | 东方电气集团东方锅炉股份有限公司 | Deformation support frock is prevented to major diameter thin wall barrel |
| CN106624335A (en) * | 2016-10-19 | 2017-05-10 | 首都航天机械公司 | Centering butt joint positioning supporting device for vertical type stirring friction welding storage box assembly annular seam |
| CN207155340U (en) * | 2017-08-30 | 2018-03-30 | 安徽莱恩电泵有限公司 | Thin-walled support tube clamp for machining |
| CN208196068U (en) * | 2018-05-16 | 2018-12-07 | 山东豪迈机械制造有限公司 | A kind of barrel support device |
| CN212043637U (en) * | 2020-04-03 | 2020-12-01 | 陕西新兴热喷涂技术有限责任公司 | Workpiece clamping device |
| CN212192189U (en) * | 2020-05-27 | 2020-12-22 | 京鸿石油钻采工程技术有限公司 | Auxiliary supporting device for thin-wall workpiece machining |
| CN216997120U (en) * | 2021-07-13 | 2022-07-19 | 中节能西安启源机电装备有限公司 | Seamless winding drum mechanism of winding machine |
| CN215146364U (en) * | 2021-07-15 | 2021-12-14 | 中国建筑第二工程局有限公司 | Welding fixture for steel structure |
| CN114227132A (en) * | 2022-01-18 | 2022-03-25 | 顾明强 | Welding method of metal cylinder welding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115609137A (en) | 2023-01-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111151965B (en) | Adjustable profile inner support welding tool and using method | |
| CN109822123B (en) | Clamping method, clamp and machining device for turning thin-wall cylindrical part | |
| CN111515520B (en) | Synchronous axial welding method for variable-diameter multi-welding-surface revolving body component | |
| CN111702394B (en) | Self-adaptive alignment clamping device suitable for butt welding processing of pipe barrel parts | |
| CN112192157B (en) | Assembly welding processing method for semi-closed flame tube with deep U-shaped rotary section | |
| CN115609137B (en) | Inner supporting clamp for displacement welding of circumferential seams of cylinder | |
| CN108127310B (en) | Hydraulic cylinder body rib plate welding tool and welding method | |
| MXPA04012526A (en) | Brake torque plate and installation method. | |
| CN212822770U (en) | Hydraulic chuck for machine tool | |
| CN217019251U (en) | Novel steel welding production and processing device | |
| CN111774902B (en) | Valve body machining indexing fixture and machining method | |
| CN212526958U (en) | Valve body processing indexing fixture | |
| CN110193696B (en) | Machining tool and machining method for pipe body part | |
| CN211649355U (en) | Natural gas line is welded junction group and is assembled device speedily carries out rescue work | |
| CN219666359U (en) | Clamping tool for thin-wall cylindrical workpiece | |
| CN106141233A (en) | A kind of clutch hub turning clamp in automatic gearbox | |
| CN210281166U (en) | Heat exchanger welding fixing device | |
| CN212682545U (en) | Star wheel end plane indexing milling fixture | |
| CN111496675A (en) | Transmission output shaft internal grinding clamp | |
| CN221313407U (en) | Joint part clamping tool | |
| CN218080936U (en) | Backfill friction stir spot welding mechanical type quick change soldering set | |
| CN219967194U (en) | Axle sleeve bi-polar centering anchor clamps | |
| CN212100639U (en) | Hollow eccentric shaft | |
| CN214867342U (en) | Positioning device for exhaust elbow | |
| CN113732609B (en) | High-precision butt-joint ring welding inner support tool for stepped annular parts and welding method of high-precision butt-joint ring welding inner support tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |