CN113414539A - Elbow joint welding clamping device and method for water conservancy construction - Google Patents
Elbow joint welding clamping device and method for water conservancy construction Download PDFInfo
- Publication number
- CN113414539A CN113414539A CN202110785690.6A CN202110785690A CN113414539A CN 113414539 A CN113414539 A CN 113414539A CN 202110785690 A CN202110785690 A CN 202110785690A CN 113414539 A CN113414539 A CN 113414539A
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- clamping
- rod piece
- double
- rack
- fixedly connected
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- 238000003466 welding Methods 0.000 title claims abstract description 51
- 238000010276 construction Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 210000002310 elbow joint Anatomy 0.000 title claims description 17
- 238000000034 method Methods 0.000 title claims description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 53
- 230000000694 effects Effects 0.000 claims abstract description 11
- 210000001503 joint Anatomy 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0533—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor external pipe alignment clamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a bent pipe joint welding and clamping device for water conservancy construction, and relates to the technical field of bent pipe joint welding. The device comprises telescopic mechanisms, wherein clamping mechanisms are symmetrically arranged above the telescopic mechanisms, and the telescopic mechanisms are used for adjusting the distance between every two adjacent clamping mechanisms; the clamping mechanism comprises a working platform, a first sliding groove is formed in one side of the working platform, a double-sided rack is arranged in the first sliding groove, a driving mechanism is arranged below the double-sided rack, gears are arranged on two sides of the double-sided rack respectively, a first rack is meshed on one side of each gear, one end of the first rack is connected with a first rod piece, the other end of the first rack is connected with a second rod piece, a second sliding groove is sleeved on the first rod piece and connected with the working platform, a third rod piece is arranged at one end of the double-sided rack, and two second rod pieces and one end of the third rod piece are connected with a clamping sleeve respectively. The pipe section to be welded can be firmly clamped by the three clamping sleeves to prevent the pipe section to be welded from shifting in welding, the fixing effect of the equipment on the pipe section is improved, and the welding quality is further improved.
Description
Technical Field
The invention belongs to the technical field of elbow joint welding, and particularly belongs to an elbow joint welding clamping device and method for water conservancy construction.
Background
At present, in hydraulic engineering construction, need carry out laying of drain pipe, at the in-process of carrying out the construction, often can appear because topography needs to the pipeline is crooked, thereby can avoid some barriers, after crooked, need weld the crooked pipeline of segmentation, thereby at the welded in-process, need utilize clamping device to carry out the centre gripping to elbow fitting.
The above prior art solution has the following drawbacks: the elbow joint clamping device for the existing water conservancy construction is in the welding process, and due to the fact that the fixing effect is poor, deviation is easy to occur, and therefore welding seams are uneven, and the later-stage use effect is affected.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the elbow joint welding clamping device and the elbow joint welding clamping method for water conservancy construction, which can improve the fixing effect of the pipe sections to be welded, ensure high alignment precision during welding, further improve the welding quality, realize the fixing of the pipe sections with different diameters, have higher applicability, also can eliminate the alignment operation after the pipe sections are fixed by workers in the welding process, and further reduce the labor intensity of the workers.
In order to achieve the purpose, the invention provides the following technical scheme:
a bent pipe joint welding clamping device for water conservancy construction comprises a telescopic mechanism and a clamping mechanism;
the clamping mechanisms are arranged above the telescopic mechanisms, and the telescopic mechanisms are used for adjusting the distance between every two adjacent clamping mechanisms;
the clamping mechanism comprises a working platform, a first sliding groove is fixedly arranged on one side of the working platform, the first sliding groove is vertically arranged, a double-sided rack is connected in the first sliding groove in a sliding mode, a driving mechanism is arranged at the bottom of the double-sided rack, and the driving mechanism is used for driving the double-sided rack to move up and down along the first sliding groove;
two sides of the double-sided rack are respectively meshed with a gear; the gear is rotatably connected with the working platform through a rotating shaft, a first rack is meshed on one side of the gear, one end, close to the ground, of the first rack is fixedly connected with a first rod piece, the other end of the first rack is fixedly connected with a second rod piece, and the axes of the two first racks are intersected and the intersection point is on the axis extension line of the double-sided rack; the first rod piece is sleeved with a second sliding groove, the first rod piece and the second sliding groove are connected in a sliding mode, and the second sliding groove is fixedly connected with the working platform;
the double-sided rack is close to one end of the gear and is fixedly connected with a third rod piece, and one end of the second rod piece, which is far away from the second sliding groove, and one end of the third rod piece, which is far away from the double-sided rack, are respectively and fixedly connected with a clamping sleeve.
Preferably, the driving mechanism comprises a first hydraulic cylinder, and a movable output end of the first hydraulic cylinder is fixedly connected with the bottom of the double-sided rack; and the fixed end of the first hydraulic cylinder is fixedly connected with the working platform.
Further, the fixed end of the first hydraulic cylinder is connected with a supporting plate, and the supporting plate is fixedly connected with the working platform.
Preferably, telescopic machanism includes the slide rail, be provided with the recess in the slide rail, sliding connection has the slider in the recess, the slider with work platform fixed connection is provided with the second pneumatic cylinder between the adjacent work platform, and the relative lateral wall between the adjacent work platform is connected respectively to the activity output and the stiff end of second pneumatic cylinder.
Furthermore, a fixing plate is arranged at the bottom of the working platform and fixedly arranged on a supporting plate of the driving mechanism, and the second hydraulic cylinder is fixedly connected with the two oppositely arranged fixing plates.
Preferably, the top of the working platform is fixedly connected with a telescopic rod, and a bracket is fixedly connected above the telescopic rod.
Preferably, a rubber lining is arranged on the inner side of the clamping sleeve.
Preferably, the clamping sleeve is in a circular arc shape of 120 degrees.
A method for welding and clamping a bent pipe joint for water conservancy construction is characterized in that the device for welding and clamping the bent pipe joint for water conservancy construction based on any one of the above steps,
placing a pipe section to be welded on a clamping sleeve of a third rod piece, enabling a double-sided rack to move up and down along a first sliding groove through a driving mechanism, and driving the clamping sleeve to move through the third rod piece and drive a gear to rotate while the double-sided rack moves so as to drive the gear to move;
the first rack is fixedly connected with the first rod piece, so that the first rod piece moves along the second sliding groove, the second rod piece connected with the other end of the first rod piece drives the clamping sleeves to move, after the positions of the three clamping sleeves are adjusted, the pipe sections to be welded are fixed, the distance between the clamping mechanisms is adjusted by the telescopic mechanisms, the pipe section interfaces to be welded are in contact, and the welding operation is completed.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a bent pipe joint welding clamping device for water conservancy construction, which is characterized in that a pipe section to be welded is placed on a clamping sleeve of a third rod piece, a double-sided rack can move along a first sliding groove through a driving mechanism, the double-sided rack can move while driving the end part clamping sleeve to move through the third rod piece, gears on two sides of the third rod piece can be driven to rotate, so that a first rack meshed with two gears is driven to move, the first rack is fixedly connected with the first rod piece, so that the first rod piece can move along a second sliding groove, a second rod piece connected with the other end of the first rod piece can drive a clamping sleeve on the end part of the first rod piece to move, after the three clamping sleeves are adjusted to proper positions, the pipe section to be welded can be fixed, the pipe section to be welded can be firmly clamped through the three clamping sleeves to prevent the pipe section to be welded from shifting in welding, and the fixing effect of the device on the pipe section is improved, make the alignment precision high when welding, and then promoted the welded quality, through the different distances between the three centre gripping cover of adjustment, can realize that this equipment fixes the pipeline section of different diameters, improved the suitability of this equipment, because two fixture symmetry sets up, so treat welding pipe section to two when two fixture and fix the back, two treat that welding pipe section center can be adjusted well automatically, removed the operation that the staff still need carry out the alignment after fixed to the pipeline section from, reduced staff's intensity of labour.
Furthermore, support counter force is provided for the first hydraulic cylinder through the support plate, the output end of the first hydraulic cylinder can drive the double-sided rack to move along the first sliding groove, clamping precision of the equipment is improved, and the equipment is more convenient to use.
Furthermore, a working platform in the clamping mechanism can be displaced in a groove of the sliding rail through the sliding block, when pipe section interfaces to be welded are required to be collided together, the second hydraulic cylinder is started, the two clamping mechanisms can be pulled close to each other, the interface butt joint precision in the pipeline welding is higher, the welding process is more stable, the operation is simple and convenient, and the welding quality is further improved.
Further, when waiting to weld the pipeline section longer, the height of accessible telescopic link adjustment bracket utilizes the bracket to lift unsettled pipeline section, prevents that it from taking place to warp.
Furthermore, the rubber lining is arranged in the clamping sleeve, so that a buffering effect can be achieved when the clamping sleeve is used for fixing the pipe section, and the damage of the clamping sleeve to the surface of the pipe section is reduced.
Drawings
FIG. 1 is a schematic structural view of a elbow joint welding and clamping device for water conservancy construction according to the present invention;
FIG. 2 is a schematic structural view of a elbow joint welding and clamping device for water conservancy construction according to the present invention;
in the drawings: 1. a telescoping mechanism; 11. a slide rail; 12. a groove; 13. a slider; 14. a fixing plate; 15. a second hydraulic cylinder; 2. a clamping mechanism; 201. a working platform; 202. a first chute; 203. a double-sided rack; 204. a drive mechanism; 2041. a first hydraulic cylinder; 2042. a support plate; 205. a gear; 206. a rotating shaft; 207. a first rack; 208. a first bar member; 209. a second bar member; 210. a second chute; 211. a third bar member; 212. a clamping sleeve; 3. a telescopic rod; 4. a bracket; 5. and (3) a rubber lining.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the invention.
Examples
As shown in fig. 1 and fig. 2, the elbow joint welding clamping device for water conservancy construction disclosed by the invention comprises a telescopic mechanism 1, two clamping mechanisms 2 are symmetrically arranged above the telescopic mechanism 1, the telescopic mechanism 1 can be used for adjusting the distance between the two clamping mechanisms 2, each clamping mechanism 2 comprises a working platform 201, a first chute 202 is fixedly connected to one side of the working platform 201, the first chute 202 is vertically arranged, a double-sided rack 203 is slidably connected to the first chute 202, a driving mechanism 204 is arranged below the double-sided rack 203, the driving mechanism 204 provides power for the movement of the double-sided rack 203 along the first chute 202, two sides of the double-sided rack 203 are respectively engaged with a gear 205, the gear 205 is rotatably connected with the working platform 201 through a rotating shaft 206, a first rack 207 is engaged with one side of the gear 205, and a first rod member 208 is fixedly connected to one end of the first rack 207, which is close to the, the other end of the first rack 207 is fixedly connected with a second rod 209, the axes of the two first racks 207 are intersected and the intersection point is on the axis extension line of the double-sided rack 203, so that the clamping effect can be improved, the first rod 208 is sleeved with a second sliding chute 210 which is connected with the second sliding chute in a sliding manner, the second sliding chute 210 can provide a guiding effect for the first rod 208 when the first rod 208 moves, the second sliding chute 210 is fixedly connected with the working platform 201, one end of the double-sided rack 203, which is close to the gear 205, is fixedly connected with a third rod 211, one end of the two second rods 209, which is far away from the second sliding chute 210, and one end of the third rod 211, which is far away from the double-sided rack 203, are respectively and fixedly connected with a clamping sleeve 212, the clamping sleeve 212 is arc-shaped, and the clamping sleeve 212 of the second rod 209 inclines downwards, so that the clamping sleeve 212 can be attached to the surface of a pipe section more tightly. The double-sided rack 203 can move along the first sliding chute 202 through the driving mechanism 204, the double-sided rack 203 can move while driving the end clamping sleeve 212 to move through the third rod piece 211, and can also drive the gears 205 on two sides to rotate, so as to drive the first rack 207 engaged with the two gears 205 to move, because the first rack 207 is fixedly connected with the first rod piece 208, the first rod piece 208 can move along the second sliding chute 210, so that the second rod piece 209 connected with the other end of the first rod piece 208 can drive the end clamping sleeve 212 to move, when the three clamping sleeves 212 are adjusted to proper positions, the pipe section to be welded can be fixed, the pipe section to be welded can be firmly clamped by the three clamping sleeves 212 to prevent the pipe section to be welded from shifting in welding, the fixing effect of the device on the pipe section is improved, the alignment precision during welding is high, and the welding quality is improved, through the different distances between the three clamping sleeves 212 of adjustment, can realize that this equipment fixes the pipeline section of different diameters, improved the suitability of this equipment, because two fixture 2 symmetry sets up, so treat welding pipe section to two when two fixture 2 fixes the back to two, treat that welding pipe section center can be adjusted well automatically for two, removed the operation that the staff still need carry out the alignment after fixed to the pipeline section from, reduced staff's intensity of labour.
As shown in fig. 1, the driving mechanism 204 includes a first hydraulic cylinder 2041, an output end of the first hydraulic cylinder 2041 is fixedly connected to a lower end of the double-sided rack 203, another end of the first hydraulic cylinder 2041 is fixedly connected to a supporting plate 2042, and one side of the supporting plate 2042 is fixedly connected to the working platform 201. Support counter force is provided for the first hydraulic cylinder 2041 through the support plate 2042, the output end of the first hydraulic cylinder 2041 can drive the double-sided rack 203 to move along the first sliding groove 202, clamping accuracy of the equipment is improved, and the equipment is convenient to use. Telescopic machanism 1 includes two slide rails 11, is equipped with recess 12 in the slide rail 11, and sliding connection has slider 13 in recess 12, slider 13 and work platform 201 fixed connection, and two backup pads 2042 are close to one side each other and are fixedly connected with a fixed plate 14 respectively, are equipped with second pneumatic cylinder 15 between two fixed plates 14, second pneumatic cylinder 15 and two fixed plate 14 equal fixed connection. Work platform 201 among fixture 2 can carry out the displacement in the recess 12 of slide rail 11 through slider 13, and when the pipeline section interface that will treat welding need bump together, start second hydraulic cylinder 15, can draw two fixture 2 each other and be close for interface butt joint precision is higher in the pipeline welding, and welding process is more stable and easy and simple to handle, has further improved welded quality. The telescopic rod 3 is fixedly connected above the working platform 201, and the bracket 4 is fixedly connected above the telescopic rod 3. When waiting to weld the pipeline section longer, the height of accessible telescopic link 3 adjustment bracket 4 utilizes bracket 4 to lift unsettled pipeline section, prevents that it from taking place to warp. The inner side of the clamping sleeve 212 is provided with a rubber lining 5. The rubber lining 5 arranged in the clamping sleeve 212 can play a role of buffering when the clamping sleeve 212 fixes the pipe section, and the damage of the clamping sleeve 212 to the surface of the pipe section is reduced.
The invention provides a method for welding and clamping a bent pipe joint for water conservancy construction, before use, a pipe section to be welded is placed on a clamping sleeve 212 of a third rod piece 211, when the method is used, a double-sided rack 203 can move along a first sliding groove 202 through a hydraulic cylinder, the double-sided rack 203 can not only drive the clamping sleeve 212 at the end part of the third rod piece 211 to move while moving, but also drive gears 205 at two sides of the third rod piece to rotate, so as to drive a first rack 207 engaged with two gears 205 to move, because the first rack 207 is fixedly connected with the first rod piece 208, the first rod piece 208 can move along a second sliding groove 210, so that a second rod piece 209 connected with the other end of the first rod piece 208 can drive the clamping sleeve 212 at the end part of the first rod piece to move, after the three clamping sleeves 212 are adjusted to proper positions, the fixing of the pipe section to be welded can be finished, because a working platform 201 in a clamping mechanism 2 can move in a groove 12 of a sliding rail 11 through a sliding block 13, when the pipe section joints to be welded need to be touched together, the second hydraulic cylinder 15 is started, the two clamping mechanisms 2 can be pulled close to each other, then relevant welding operation is carried out, after the pipe section joint is used, the first hydraulic cylinder 2041 is started, the three clamping sleeves 212 are enabled to release the limitation on the pipe sections in the same way, and the welded pipe sections are taken out to be arranged on site.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (9)
1. A bent pipe joint welding and clamping device for water conservancy construction is characterized by comprising a telescopic mechanism (1) and a clamping mechanism (2);
the clamping mechanisms (2) are arranged above the telescopic mechanisms (1), and the telescopic mechanisms (1) are used for adjusting the distance between every two adjacent clamping mechanisms (2);
the clamping mechanism (2) comprises a working platform (201), a first sliding groove (202) is fixedly arranged on one side of the working platform (201), the first sliding groove (202) is vertically arranged, a double-sided rack (203) is connected in the first sliding groove (202) in a sliding mode, a driving mechanism (204) is arranged at the bottom of the double-sided rack (203), and the driving mechanism (204) is used for driving the double-sided rack (203) to move up and down along the first sliding groove (202);
two sides of the double-sided rack (203) are respectively meshed with a gear (205); the gear (205) is rotatably connected with the working platform (201) through a rotating shaft (206), a first rack (207) is meshed on one side of the gear (205), one end, close to the ground, of the first rack (207) is fixedly connected with a first rod piece (208), the other end of the first rack (207) is fixedly connected with a second rod piece (209), and the axes of the two first racks (207) are intersected and the intersection point is located on the axis extension line of the double-sided rack (203); the first rod piece (208) is sleeved with a second sliding groove (210), the first rod piece (208) is in sliding connection with the second sliding groove (210), and the second sliding groove (210) is fixedly connected with the working platform (201);
the double-sided rack (203) is close to one end of the gear (205) and is fixedly connected with a third rod piece (211), and one end of the second rod piece (209) far away from the second sliding groove (210) and one end of the third rod piece (211) far away from the double-sided rack (203) are respectively and fixedly connected with a clamping sleeve (212).
2. The elbow joint welding and clamping device for water conservancy construction according to claim 1, characterized in that the driving mechanism (204) comprises a first hydraulic cylinder (2041), and the movable output end of the first hydraulic cylinder (2041) is fixedly connected with the bottom of the double-sided rack (203); the fixed end of the first hydraulic cylinder (2041) is fixedly connected with the working platform (201).
3. The elbow joint welding and clamping device for water conservancy construction according to claim 2, characterized in that a supporting plate (2042) is connected to the fixed end of the first hydraulic cylinder (2041), and the supporting plate (2042) is fixedly connected with the working platform (201).
4. The elbow joint welding and clamping device for water conservancy construction according to claim 1, characterized in that telescopic machanism (1) includes slide rail (11), be provided with recess (12) in slide rail (11), sliding connection has slider (13) in recess (12), slider (13) with work platform (201) fixed connection is provided with second pneumatic cylinder (15) between adjacent work platform (201), and the relative lateral wall between adjacent work platform (201) is connected respectively to the activity output and the stiff end of second pneumatic cylinder (15).
5. The elbow joint welding and clamping device for water conservancy construction according to claim 4, characterized in that a fixing plate (14) is arranged at the bottom of the working platform (201), the fixing plate (14) is fixedly arranged on a supporting plate (2042) of the driving mechanism (204), and the second hydraulic cylinder (15) is fixedly connected with the two oppositely arranged fixing plates (14).
6. The elbow joint welding and clamping device for water conservancy construction according to claim 1, characterized in that a telescopic rod (3) is fixedly connected to the top of the working platform (201), and a bracket (4) is fixedly connected to the upper portion of the telescopic rod (3).
7. The elbow joint welding and clamping device for water conservancy construction according to claim 1, characterized in that the inside of the clamping sleeve (212) is provided with a rubber lining (5).
8. The elbow joint welding and clamping device for water conservancy construction according to claim 1, wherein the clamping sleeve (212) is arc-shaped with an angle of 120 degrees.
9. A method for welding and clamping a bent pipe joint for water conservancy construction, which is characterized in that the device for welding and clamping the bent pipe joint for water conservancy construction based on any one of claims 1 to 8 comprises the following processes,
a pipe section to be welded is placed on a clamping sleeve (212) of a third rod piece (211), a double-sided rack (203) is driven to move up and down along a first sliding groove (202) through a driving mechanism (204), the double-sided rack (203) drives the clamping sleeve (212) to move through the third rod piece (211) while moving, and a gear (205) is driven to rotate, so that a first rack (207) meshed with the gear (205) is driven to move;
the first rack (207) is fixedly connected with the first rod piece (208), so that the first rod piece (208) moves along the second sliding groove (210), the second rod piece (209) connected with the other end of the first rod piece (208) drives the clamping sleeves (212) to move, when the three clamping sleeves (212) are adjusted in position, the pipe sections to be welded are fixed, the distance between the clamping mechanisms (2) is adjusted by the telescopic mechanism (1), and pipe section interfaces to be welded are contacted together to complete welding operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110785690.6A CN113414539A (en) | 2021-07-12 | 2021-07-12 | Elbow joint welding clamping device and method for water conservancy construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110785690.6A CN113414539A (en) | 2021-07-12 | 2021-07-12 | Elbow joint welding clamping device and method for water conservancy construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113414539A true CN113414539A (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110785690.6A Pending CN113414539A (en) | 2021-07-12 | 2021-07-12 | Elbow joint welding clamping device and method for water conservancy construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113414539A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117583792A (en) * | 2024-01-19 | 2024-02-23 | 无锡新得宝金属软管有限公司 | Automatic welding device for machining automobile parts |
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| RU72431U1 (en) * | 2007-11-15 | 2008-04-20 | Институт машиноведения и металлургии ДВО РАН | INSTALLATION FOR PRODUCING CONTINUOUSLY WELDED PROFILES |
| CN209615291U (en) * | 2019-03-07 | 2019-11-12 | 四川汇通能源装备制造股份有限公司 | A kind of large-scale pipeline clamping connection |
| CN209976005U (en) * | 2019-04-19 | 2020-01-21 | 湖北亿涛建设有限公司 | Auxiliary clamp for disassembling scaffold pipe hoop |
| CN112247470A (en) * | 2020-10-15 | 2021-01-22 | 苏州赛硕拉不锈钢制品有限公司 | Fixing device for stainless steel pipe welding |
| CN215846685U (en) * | 2021-07-12 | 2022-02-18 | 中国葛洲坝集团第三工程有限公司 | Elbow fitting welding clamping device for water conservancy construction |
-
2021
- 2021-07-12 CN CN202110785690.6A patent/CN113414539A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU72431U1 (en) * | 2007-11-15 | 2008-04-20 | Институт машиноведения и металлургии ДВО РАН | INSTALLATION FOR PRODUCING CONTINUOUSLY WELDED PROFILES |
| CN209615291U (en) * | 2019-03-07 | 2019-11-12 | 四川汇通能源装备制造股份有限公司 | A kind of large-scale pipeline clamping connection |
| CN209976005U (en) * | 2019-04-19 | 2020-01-21 | 湖北亿涛建设有限公司 | Auxiliary clamp for disassembling scaffold pipe hoop |
| CN112247470A (en) * | 2020-10-15 | 2021-01-22 | 苏州赛硕拉不锈钢制品有限公司 | Fixing device for stainless steel pipe welding |
| CN215846685U (en) * | 2021-07-12 | 2022-02-18 | 中国葛洲坝集团第三工程有限公司 | Elbow fitting welding clamping device for water conservancy construction |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117583792A (en) * | 2024-01-19 | 2024-02-23 | 无锡新得宝金属软管有限公司 | Automatic welding device for machining automobile parts |
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