CN112893555B - A supplementary clamping device for steel pipe production - Google Patents
A supplementary clamping device for steel pipe production Download PDFInfo
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- CN112893555B CN112893555B CN202110066313.7A CN202110066313A CN112893555B CN 112893555 B CN112893555 B CN 112893555B CN 202110066313 A CN202110066313 A CN 202110066313A CN 112893555 B CN112893555 B CN 112893555B
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- clamping
- steel pipe
- block
- fixedly connected
- adjusting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/16—Auxiliary equipment, e.g. for heating or cooling of bends
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
Abstract
The invention provides an auxiliary clamping device for steel pipe production, which relates to the technical field of steel pipe processing and clamping and solves the problem that the prior steel pipe clamping device can not synchronously clamp and align a plurality of steel pipes to be welded in the practical application process, so the device has limitation in use, and can not realize unidirectional or bidirectional bending operation on the steel pipes with thinner pipe walls, so the steel pipes are difficult to effectively process, the device comprises a bending mechanism, wherein the bending mechanism is provided with two parts in total, in the invention, after the steel pipes are inserted into the inner sides of ring sleeves in the two clamping mechanisms, the clamping mechanism can push the clamping sleeves to clamp the steel pipes by adjusting clamping bolts, when the steel pipes are required to be subjected to in-situ rotary welding, the two parts of the clamping sleeves can be slightly loosened, so that the rollers in the elastic pressing mechanism can be ejected from the inner parts of square grooves formed in a support plate through springs fixedly connected to the bottom end surface of a protection plate, the design can assist the steel pipe to rotate in the ring sleeve.
Description
Technical Field
The invention belongs to the technical field of steel pipe machining clamping, and particularly relates to an auxiliary clamping device for steel pipe production.
Background
Steel pipes are steel with a hollow cross section whose length is much greater than the diameter or circumference. The steel pipe is divided into round, square, rectangular and special-shaped steel pipes according to the shape of the cross section; the steel pipe is divided into a carbon structural steel pipe, a low-alloy structural steel pipe, an alloy steel pipe and a composite steel pipe according to the material quality; the steel pipes are divided into steel pipes for conveying pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment and the like according to the application; the method comprises the following steps of dividing the steel pipe into a seamless steel pipe and a welded steel pipe according to a production process, wherein the seamless steel pipe is divided into a hot rolling steel pipe and a cold rolling (drawing) steel pipe, and the welded steel pipe is divided into a straight seam welded steel pipe and a spiral seam welded steel pipe;
however, the steel pipe has a problem of unique shape as compared with the conventional steel plate member, and thus a special clamping device is required to clamp the steel pipe when welding or other processing is performed on the steel pipe.
For example, application No.: cn201911159393.x the present invention discloses a steel pipe production apparatus for processing a steel plate into a steel pipe, the steel plate having a first end and a second end, the apparatus comprising: the limiting part is used for limiting the first end of the steel plate; the clamping part is used for clamping the second end of the steel plate; and the power part is used for driving the clamping part to move from the second end of the steel plate to the first end of the steel plate and driving the clamping part to rotate circumferentially until the second end of the steel plate abuts against the first end of the steel plate. The invention can effectively weld the steel plate after bending to form the steel pipe.
Based on the above patent search and the discovery of the equipment in the prior art, the above equipment can weld steel plates after being rolled up, but in practical application, the equipment cannot perform synchronous clamping and aligning operation on a plurality of steel pipes to be welded, so that the equipment has limitation in use, and in this way, the steel pipes with thin pipe walls cannot be bent in one or two directions, so that the steel pipes are difficult to be effectively processed.
Disclosure of Invention
In order to solve the technical problems, the invention provides an auxiliary clamping device for steel pipe production, which aims to solve the problems that the conventional steel pipe clamping device cannot synchronously clamp and align a plurality of steel pipes to be welded in the practical application process, so that the conventional steel pipe clamping device has limitation in use, and cannot realize unidirectional or bidirectional bending operation on the steel pipes with thin pipe walls, so that the steel pipes are difficult to effectively process.
The invention relates to an auxiliary clamping device for steel pipe production, which is realized by the following specific technical means:
an auxiliary clamping device for steel pipe production comprises a bending mechanism, an adjusting mechanism and a clamping mechanism, wherein the bending mechanism is provided with two positions, and the two bending mechanisms are respectively and fixedly connected to the left side and the right side of the top end face of a bearing guide mechanism; the adjusting mechanism is axially connected to the top end face of the bearing guide mechanism and is rotationally connected with the bearing guide mechanism; the clamping mechanisms are arranged at two positions, the two clamping mechanisms are connected to the top end of the adjusting mechanism in a sliding mode, and the insides of the two clamping mechanisms are elastically connected with the elastic pressing mechanisms; the elastic mechanism comprises guard plates, idler wheels, springs and support plates, the guard plates are provided with two positions, the idler wheels are connected to the inner sides of the guard plates at the two positions in a shaft mode, the springs are provided with four positions, every two springs are in one group, the two groups of springs are fixedly connected to the bottom end face of the guard plates at the two positions respectively, and the support plates are located under the idler wheels and are internally grooved.
Furthermore, the bearing guide mechanism comprises a support, a steering hand wheel, a steering gear, a chain and an inner ratchet wheel, wherein the steering hand wheel is connected with the front side of the top end of the support in a shaft connection mode, the steering gear is provided with two positions in total, the steering gear positioned on the front side is fixedly connected to the bottom end of the steering hand wheel, the inner ratchet wheel is fixedly connected to the top end of the steering gear positioned on the rear side, and the two steering gears are in meshing transmission through the chain;
furthermore, the bending mechanism comprises a fixing block, a guide block A, a traction block and a guide block B, the fixing block is hollow, the front end of the fixing block is provided with a groove, the guide block A is provided with two positions, the two guide blocks A are fixedly connected to the left side and the right side of the front end face of the fixing block respectively, the traction block is inserted into the inner position of the fixing block, and the front end of the traction block is fixedly connected with the guide block B;
furthermore, the bending mechanism also comprises an arc-shaped block, supporting blocks, a pressing plate and a fastening bolt, wherein the arc-shaped block is hinged with the traction block, the supporting blocks are arranged at two positions, the two supporting blocks are in an upper and lower array and are fixedly connected with the arc-shaped block, the pressing plate is screwed at the inner side positions of the supporting blocks through the fastening bolt, and the fixing block is fixedly connected to the top end surface position of the support in an installation state;
furthermore, the adjusting mechanism comprises a rotary table, an adjusting rod, an adjusting gear and a rack, wherein the top end of the rotary table is provided with a groove, the front end of the rotary table is rotatably connected with the adjusting rod, the rear end of the adjusting rod is fixedly connected with the adjusting gear, the rack is provided with two positions, the two racks are respectively meshed and driven at the upper side and the lower side of the adjusting gear, and the rotary table is fixedly connected to the position right above the inner ratchet wheel in the installation state;
furthermore, the clamping mechanism comprises a moving block, a rotating shaft and a ring sleeve, the rotating shaft is connected to the top end of the moving block in a shaft coupling mode, and the ring sleeve is fixedly connected to the top end of the rotating shaft;
furthermore, the clamping mechanism further comprises a clamping sleeve and a clamping bolt, the clamping sleeve is provided with two positions, the two clamping sleeves are screwed on the inner side of the ring sleeve through the two clamping bolts respectively, and the two moving blocks are fixedly connected with the two racks respectively in the installation state.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, after the steel pipe is inserted into the inner side of a ring sleeve of two clamping mechanisms, the clamping bolt is adjusted to push the clamping sleeve to clamp the steel pipe, when the steel pipe needs to be subjected to in-situ rotation welding, the two clamping sleeves can be slightly loosened, so that the roller in the elastic mechanism is ejected out of a square groove formed in a support plate through a spring fixedly connected to the bottom end face of the protection plate, the design can assist the steel pipe to rotate in the ring sleeve, so that the aim of quickly adjusting the orientation of the steel pipe for welding is achieved, on the other hand, when the steel pipe is clamped by the two clamping mechanisms, the distance between the two clamping mechanisms can be adjusted through adjusting the meshing transmission between the gear and the rack by rotating the adjusting rod according to the different lengths of the steel pipe, so that the purpose of being more practical is achieved, and when the steel pipe needs to be bent, the screw rod can be screwed into two guide blocks A fixedly connected with the front end face of the fixing block, and then the guide blocks are connected with the guide blocks The traction block is driven by meshing transmission between the blocks B to move in the fixed block, and when the traction block moves towards the inside of the fixed block, the steel pipe clamped by the device through the pressing plate can be bent to achieve the purpose of improving the working efficiency.
Drawings
Fig. 1 is a schematic axial view of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a schematic front view of the present invention.
Fig. 4 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.
Fig. 5 is an enlarged schematic view of the invention at B in fig. 2.
Fig. 6 is an enlarged view of the structure of fig. 2 at C according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a load bearing guide mechanism; 101. a support; 102. a steering hand wheel; 103. a steering gear; 104. a chain; 105. an inner ratchet wheel; 2. a bending mechanism; 201. a fixed block; 202. a guide block A; 203. a traction block; 204. a guide block B; 205. an arc-shaped block; 206. a supporting block; 207. pressing a plate; 208. fastening a bolt; 3. an adjustment mechanism; 301. a turntable; 302. adjusting a rod; 303. an adjusting gear; 304. a rack; 4. a clamping mechanism; 401. a moving block; 402. a rotating shaft; 403. sleeving a ring; 404. a jacket; 405. clamping the bolt; 5. a spring pressing mechanism; 501. a guard plate; 502. a roller; 503. a spring; 504. and (4) a support plate.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example (b):
as shown in figures 1 to 6:
the invention provides an auxiliary clamping device for steel pipe production, which comprises: the bending mechanism 2, the adjusting mechanism 3 and the clamping mechanism 4 are arranged, the bending mechanism 2 is provided with two positions, and the two bending mechanisms 2 are respectively and fixedly connected to the left side and the right side of the top end face of the bearing guide mechanism 1; the adjusting mechanism 3 is coupled to the top end face of the bearing guide mechanism 1 and is rotatably connected with the bearing guide mechanism 1; the clamping mechanisms 4 are arranged at two positions, the two clamping mechanisms 4 are connected to the top end of the adjusting mechanism 3 in a sliding mode, and the two clamping mechanisms 4 are elastically connected with the elastic pressing mechanisms 5; the elastic mechanism 5 comprises a guard plate 501, rollers 502, springs 503 and a support plate 504, wherein the guard plate 501 is provided with two positions, the rollers 502 are connected to the inner sides of the two guard plates 501 through shafts, the springs 503 are provided with four positions, each two springs 503 are a group, the two groups of springs 503 are respectively and fixedly connected to the bottom end surfaces of the two guard plates 501, and the support plate 504 is located under the rollers 502 and is provided with a groove inside.
The bearing guide mechanism 1 comprises a support 101, a steering hand wheel 102, a steering gear 103, a chain 104 and an inner ratchet wheel 105, the steering hand wheel 102 is connected to the front side of the top end of the support 101 in a shaft connection mode, the steering gear 103 is provided with two positions, the steering gear 103 located on the front side is fixedly connected to the bottom end of the steering hand wheel 102, the inner ratchet wheel 105 is fixedly connected to the top end of the steering gear 103 located on the rear side, and the steering gear 103 in the two positions are in meshing transmission through the chain 104.
The bending mechanism 2 comprises a fixing block 201, a guide block A202, a traction block 203 and a guide block B204, the fixing block 201 is hollow, the front end of the fixing block 201 is grooved, the guide block A202 is provided with two positions, the two guide blocks A202 are fixedly connected to the left side position and the right side position of the front end face of the fixing block 201 respectively, the traction block 203 is inserted into the inner position of the fixing block 201, the guide block B204 is fixedly connected to the front end of the traction block 203, the traction block 203 can be driven to move inside the fixing block 201 through meshing transmission between the guide blocks A202 and the guide block B204 after being screwed into the two guide blocks A202 fixedly connected to the front end face of the fixing block 201 through a screw, when the traction block 203 moves towards the inside of the fixing block 201, a steel pipe clamped by a pressing plate 207 can be bent, and the purpose of improving the working efficiency is achieved.
The bending mechanism 2 further comprises an arc-shaped block 205, a supporting block 206, a pressing plate 207 and a fastening bolt 208, the arc-shaped block 205 is hinged to the traction block 203, the supporting block 206 is provided with two positions, the two supporting blocks 206 are fixedly connected with the arc-shaped block 205 in an up-down array mode, the pressing plate 207 is screwed on the inner side of the supporting block 206 through the fastening bolt 208, and the fixing block 201 is fixedly connected to the top end face of the support 101 in the installation state.
The adjusting mechanism 3 comprises a rotary disc 301, an adjusting rod 302, an adjusting gear 303 and a rack 304, wherein the top end of the rotary disc 301 is provided with a slot, the front end of the rotary disc is rotatably connected with the adjusting rod 302, the rear end of the adjusting rod 302 is fixedly connected with the adjusting gear 303, the rack 304 is provided with two positions, the two racks 304 are respectively engaged and driven at the upper side and the lower side of the adjusting gear 303, and the rotary disc 301 is fixedly connected at the position right above the inner ratchet wheel 105 in the installation state.
The clamping mechanism 4 comprises a moving block 401, a rotating shaft 402 and a ring sleeve 403, the rotating shaft 402 is coupled to the top end of the moving block 401, and the ring sleeve 403 is fixedly connected to the top end of the rotating shaft 402.
The clamping mechanism 4 further comprises a jacket 404 and a clamping bolt 405, the jacket 404 is provided with two positions, the two jackets 404 are screwed on the inner side of the ring sleeve 403 through the two clamping bolts 405, and the two moving blocks 401 are fixedly connected with the two racks 304 respectively in the installation state.
When in use: firstly, the whole device is placed at a proper position through a support 101 in a bearing guide mechanism 1, then a steel pipe is placed at the inner side position of a ring sleeve 403 in a clamping mechanism 4, and because the diameters of the steel pipes with different specifications are different, the clamping operation of the steel pipe can be carried out by pushing a clamping sleeve 404 through adjusting a clamping bolt 405 after the steel pipe is inserted into the inner sides of the ring sleeves 403 in two clamping mechanisms 4, when the steel pipe needs to be subjected to in-situ rotation welding, the two clamping sleeves 404 can be slightly loosened, so that a roller 502 in a spring pressing mechanism 5 ejects the roller 502 from the inside of a square groove formed in a support plate 504 through a spring 503 fixedly connected to the bottom end surface of the support plate 501, and the design can assist the steel pipe to rotate in the ring sleeve 403 so as to achieve the purpose of quickly adjusting the orientation of the steel pipe for welding;
on the other hand, when the steel pipe is clamped by the single clamping mechanism 4, the unidirectional rotation operation can be carried out through the rotating shaft 402, so as to achieve the purpose of improving the working efficiency, when the steel pipe is clamped by the two clamping mechanisms 4, the distance between the two clamping mechanisms 4 can be adjusted by rotating the adjusting rod 302 according to the different lengths of the steel pipe through the meshing transmission between the adjusting gear 303 and the rack 304 so as to achieve the more practical purpose, and when the steel pipe needs to be bent, the traction block 203 can be driven to move in the fixing block 201 through the meshing transmission between the guide block A202 and the guide block B204 after being screwed into the two guide blocks A202 fixedly connected with the front end surface of the fixing block 201 by using a screw, when the traction block 203 moves towards the inside of the fixed block 201, the steel pipe clamped by the device through the pressing plate 207 can be bent, so that the aim of improving the working efficiency is fulfilled.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (1)
1. The use method of the auxiliary clamping device for steel pipe production is characterized in that: the device comprises a bending mechanism (2), an adjusting mechanism (3) and a clamping mechanism (4), wherein the bending mechanism (2) is provided with two parts, and the two bending mechanisms (2) are respectively and fixedly connected to the left side and the right side of the top end face of the bearing guide mechanism (1); the adjusting mechanism (3) is coupled to the top end face of the bearing guide mechanism (1) in a shaft manner and is rotatably connected with the bearing guide mechanism (1); the clamping mechanisms (4) are provided with two positions, the two clamping mechanisms (4) are connected to the top end of the adjusting mechanism (3) in a sliding mode, and the insides of the two clamping mechanisms (4) are elastically connected with the elastic pressing mechanisms (5); the elastic pressing mechanism (5) comprises a protection plate (501), rollers (502), springs (503) and a support plate (504), wherein the protection plate (501) is provided with two positions, the rollers (502) are connected to the inner sides of the two protection plates (501) in a shaft mode, the springs (503) are provided with four positions, every two springs (503) form one group, two groups of springs (503) are fixedly connected to the positions of the bottom end faces of the two protection plates (501) respectively, and the support plate (504) is located under the rollers (502) and is internally grooved;
the bearing guide mechanism (1) comprises a support (101), a steering hand wheel (102), a steering gear (103), a chain (104) and an inner ratchet wheel (105), the steering hand wheel (102) is connected to the front side of the top end of the support (101) in a shaft mode, the steering gear (103) is provided with two positions, the steering gear (103) located on the front side is fixedly connected to the bottom end of the steering hand wheel (102), the inner ratchet wheel (105) is fixedly connected to the top end of the steering gear (103) located on the rear side, and the two steering gears (103) are in meshing transmission through the chain (104);
the bending mechanism (2) comprises a fixed block (201), a guide block A (202), a traction block (203) and a guide block B (204), the fixed block (201) is hollow, the front end of the fixed block is grooved, the guide block A (202) is provided with two positions, the two guide blocks A (202) are respectively and fixedly connected to the left side and the right side of the front end face of the fixed block (201), the traction block (203) is inserted into the inner position of the fixed block (201), and the front end of the traction block (203) is fixedly connected with the guide block B (204);
the bending mechanism (2) further comprises an arc-shaped block (205), a supporting block (206), a pressing plate (207) and a fastening bolt (208), the arc-shaped block (205) is hinged to the traction block (203), the supporting block (206) is provided with two positions, the two supporting blocks (206) are fixedly connected with the arc-shaped block (205) in an up-and-down array mode, the pressing plate (207) is screwed at the inner side position of the supporting block (206) through the fastening bolt (208), and the fixing block (201) is fixedly connected to the top end face position of the support (101) in the installation state;
the adjusting mechanism (3) comprises a rotary disc (301), an adjusting rod (302), an adjusting gear (303) and a rack (304), the top end of the rotary disc (301) is provided with a groove, the front end of the rotary disc is rotatably connected with the adjusting rod (302), the rear end of the adjusting rod (302) is fixedly connected with the adjusting gear (303), the rack (304) is provided with two positions, the two racks (304) are respectively meshed and driven at the upper side and the lower side of the adjusting gear (303), and the rotary disc (301) is fixedly connected to the position right above the inner ratchet wheel (105) in the installation state;
the clamping mechanism (4) comprises a moving block (401), a rotating shaft (402) and a ring sleeve (403), the rotating shaft (402) is connected to the top end of the moving block (401) in a shaft coupling mode, and the ring sleeve (403) is fixedly connected to the top end of the rotating shaft (402);
the clamping mechanism (4) further comprises a clamping sleeve (404) and clamping bolts (405), the clamping sleeve (404) is provided with two positions, the two clamping sleeves (404) are screwed on the inner side of the ring sleeve (403) through the two clamping bolts (405), and the two moving blocks (401) are fixedly connected with the two racks (304) respectively in the installation state;
when the device is used, the whole device is firstly placed at a proper position through a support (101) in a bearing guide mechanism (1), then a steel pipe is placed at the inner side position of a ring sleeve (403) in a clamping mechanism (4), and because the diameters of the steel pipes with different specifications are different, the steel pipe can be clamped by pushing a jacket (404) through adjusting a clamping bolt (405) after the steel pipe is inserted and connected to the inner sides of the ring sleeves (403) in two clamping mechanisms (4), when the steel pipe needs to be subjected to in-situ rotation welding, the two jackets (404) can be slightly loosened, so that a roller (502) in a spring pressing mechanism (5) can be ejected out of the roller (502) from the inside of a square groove formed in a support plate (504) through a spring (503) fixedly connected to the bottom end face of a protection plate (501), and the rotation of the steel pipe in the ring (403) can be assisted, the aim of quickly adjusting the orientation of the steel pipe to weld is fulfilled;
on the other hand, when the steel pipe is clamped by a single clamping mechanism (4), the steel pipe can be rotated in one direction through the rotating shaft (402) so as to achieve the purpose of improving the working efficiency, when the steel pipe is clamped by two clamping mechanisms (4), the adjusting rod (302) can be rotated according to the length difference of the steel pipe, the distance between the two clamping mechanisms (4) is adjusted through the meshing transmission between the adjusting gear (303) and the rack (304) so as to achieve the more practical purpose, when the steel pipe needs to be bent, the traction block (203) is driven to move inside the fixed block (201) through the meshing transmission between the traction block and the guide block B (204) after the screw rod is screwed into the two guide blocks A (202) fixedly connected with the front end face of the fixed block (201), and the steel pipe clamped by the device is bent through the pressing plate (207).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110066313.7A CN112893555B (en) | 2021-01-19 | 2021-01-19 | A supplementary clamping device for steel pipe production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110066313.7A CN112893555B (en) | 2021-01-19 | 2021-01-19 | A supplementary clamping device for steel pipe production |
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| CN112893555A CN112893555A (en) | 2021-06-04 |
| CN112893555B true CN112893555B (en) | 2022-07-12 |
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| CN202110066313.7A Active CN112893555B (en) | 2021-01-19 | 2021-01-19 | A supplementary clamping device for steel pipe production |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113601100B (en) * | 2021-07-28 | 2023-08-15 | 中国水利水电第六工程局有限公司 | Fixing device for auxiliary pipeline welding |
| CN113681212B (en) * | 2021-10-26 | 2022-01-04 | 友信宏科新能源（徐州）有限公司 | Welding device for new energy automobile production |
| CN115256022B (en) * | 2022-09-04 | 2023-03-21 | 山东金宝诚管业有限公司 | Automatic reversing mechanism for seamless pipe production |
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| CN111922561A (en) * | 2020-07-13 | 2020-11-13 | 江苏振光电力设备制造有限公司 | Automatic welding device for iron tower connecting plate steel pipe assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20130133349A (en) * | 2012-05-29 | 2013-12-09 | 동부제철 주식회사 | Apparatus for welding automation of steel pipe pile assembly |
| CN207087252U (en) * | 2017-08-10 | 2018-03-13 | 合肥易升拖车机械有限公司 | A kind of fixing device for pipe flange welding |
| CN209109898U (en) * | 2018-11-05 | 2019-07-16 | 宁波蒙恩铝业有限公司 | A kind of aluminum profile augomatic syphon device |
| CN210451289U (en) * | 2019-07-12 | 2020-05-05 | 江苏健雄电气安装工程有限公司 | Welding device with clamping function for electrical engineering |
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| CN111922561A (en) * | 2020-07-13 | 2020-11-13 | 江苏振光电力设备制造有限公司 | Automatic welding device for iron tower connecting plate steel pipe assembly |
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| CN112893555A (en) | 2021-06-04 |
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