CN209811576U - Positioning device for laminate welding - Google Patents
Positioning device for laminate welding Download PDFInfo
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- CN209811576U CN209811576U CN201920434913.2U CN201920434913U CN209811576U CN 209811576 U CN209811576 U CN 209811576U CN 201920434913 U CN201920434913 U CN 201920434913U CN 209811576 U CN209811576 U CN 209811576U
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Abstract
The utility model provides a be used for plywood welded positioner, the on-line screen storage device comprises a base, two slide rails, four sliders, the locating rack, four positioning fixture and slip driving piece, two slide rail parallel rigid couplings are in the base both sides, it sets up two sliders to slide on each slide rail, the locating rack rigid coupling is on four sliders, the slip driving piece is fixed in on the base, the flexible end and the locating rack of slip driving piece are connected, the top surface of locating rack is formed with the constant head tank with the big or small looks adaptation of main panel appearance, four positioning fixture divide the four corners position of locating tank two liang relatively, positioning fixture is including the clamping jaw that can overturn, the clamping jaw includes fixed block and two grip blocks, two grip blocks are protruding the one end in the fixed block down, form the centre gripping groove equivalent with grip strip width between two grip. The positioning device adopting the structure has the advantages of convenient operation of positioning mode, accurate positioning and capability of improving the welding quality and the production efficiency.
Description
Technical Field
The utility model relates to a plywood welding technology field, in particular to a be used for plywood welded positioner.
Background
The shelf comprises a square frame structure built by a plurality of rod pieces and a plurality of shelf boards arranged on the square frame structure, please refer to fig. 1, the shelf board comprises a main panel 1 and two clamping strips 2, a connecting rod 11 is formed at one opposite side of the main panel 1, a side plate 12 is formed at the other opposite side, the two clamping strips 2 are arranged at the inner sides of the two side plates 12 in parallel, two ends of the clamping strips 2 are respectively supported on the two connecting rods 11, the cross sections of the clamping strips 2 are shaped like a Chinese character ji, the clamping strips 2 are required to be welded on the main panel 1, so that a clamping groove is formed between each clamping strip 2 and the corresponding side plate 12, and the shelf board is clamped on the square frame structure. At present, no welding equipment capable of welding the main panel and the two clamping strips exists in the market, and manual welding cannot be suitable for large-scale production and welding quality is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a be used for plywood welded positioner uses this be used for plywood welded positioner can realize the automatic weld of plywood, is favorable to improving welding efficiency and welding quality.
The utility model relates to a technical solution:
the utility model provides a be used for plywood welded positioner, the on-line screen storage device comprises a base, two slide rails, four sliders, the locating rack, four positioning fixture and slip driving piece, two parallel rigid couplings of slide rail are in the base both sides, it sets up two sliders to slide on each slide rail, the locating rack rigid coupling is on four sliders, the slip driving piece is fixed in on the base, the flexible end and the locating rack of slip driving piece are connected, the top surface of locating rack is formed with the constant head tank with the big or small looks adaptation of main panel appearance, four positioning fixture divide the four corners position of locating tank two liang relatively, positioning fixture is including the clamping jaw that can overturn, the clamping jaw includes fixed block and two grip blocks, two grip blocks are protruding the one end in the fixed block down, form the centre gripping groove equivalent with grip.
Furthermore, the turnover mechanism comprises a connecting plate, a supporting block, a hinged plate, a connecting rod, a hinged seat and a turnover driving piece, wherein one side of the connecting plate is fixed on the positioning frame, the supporting block protrudes out of the connecting plate, the lower end of the hinged plate is hinged to the supporting block, the upper end of the hinged plate is hinged to the middle position of the connecting rod, the fixing block of the clamping jaw is fixed at one end of the connecting rod, the hinged seat is hinged to the other end of the connecting rod, the turnover driving piece is installed on the connecting plate, and.
Furthermore, the two hinged plates are oppositely arranged.
Furthermore, the locating rack comprises a bottom frame, a top plate and four elastic supporting assemblies, the top plate and the bottom frame are arranged in an up-and-down parallel mode, and the four elastic supporting assemblies are evenly arranged between the top plate and the bottom frame, so that the top plate is elastically supported on the bottom frame.
Furthermore, the sliding driving part is arranged between the bottom frame and the top plate, the body part of the sliding driving part is fixed on the base, and the telescopic end of the sliding driving part is connected with the bottom frame.
Furthermore, the bottom frame is mainly formed by fixedly connecting three strip-shaped plates to form a square frame structure with an opening at one end, and four sliding blocks are respectively and fixedly connected to four corners of the lower surface of the bottom frame.
Furthermore, two welding ports are oppositely arranged on the top plate.
Further, the elastic support assembly comprises a lower support seat, a gasket, a spring, a support rod and an upper support seat, mounting holes are formed in the four corners of the bottom frame, a bottom cylindrical portion of the lower support seat is fixedly connected into the mounting holes, the gasket is arranged on the lower support seat, the spring is arranged on the gasket, the upper end of the support rod is fixedly connected with the support seat, the lower end of the support rod is arranged in the spring, the gasket and the lower support seat in a penetrating mode in a lifting mode, the spring elastically supports between the gasket and the upper support seat, and the upper support seat is fixedly connected to the lower surface of the.
Furthermore, a pair of sides of the upper surface of the top plate is fixedly connected with a positioning strip respectively, the other pair of sides of the upper surface of the top plate is fixedly connected with two positioning blocks respectively, and positioning grooves are formed between the two positioning strips and the four positioning blocks.
The utility model discloses a positioning seat cooperatees through setting up base, two slide rails, four sliders, locating rack and four positioning fixture, and the slip of base is convenient for realize the segmentation welding, and positioning fixture's clamping jaw can push down the main board, and the centre gripping groove on two relative clamping jaws can provide the location for the centre gripping strip again simultaneously, so locate mode convenient operation, and the location is accurate, can improve welding quality and production efficiency.
Drawings
FIG. 1 is a block diagram of a laminate;
FIG. 2 is a structural diagram of the laminate welding machine of the present invention;
FIG. 3 is a structural diagram of a positioning fixture of the laminate welding machine of the present invention;
FIG. 4 is an exploded view of the positioning seat of the laminate welding machine of the present invention;
FIG. 5 is a partial enlarged view of the laminate welding machine of the present invention;
FIG. 6 is an assembly view of the positioning seat of the laminate welding machine of the present invention;
FIG. 7 is a side view of the positioning seat of the laminate welding machine of the present invention;
FIG. 8 is a partial enlarged view of the use state of the laminate welding machine of the present invention.
Detailed Description
The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.
Referring to fig. 1 and 2, the present invention provides a laminate welding machine for welding two clamping strips 2 on a main panel 1 to form a laminate, the laminate welding machine includes two welding machines 3 and a positioning seat 4 arranged in parallel, the welding machine 3 includes a welding box main body 31, an upper support arm 32, a lower support arm 33, an upper welding head 34, an upper welding electrode 35 and a lower welding electrode 36, the upper support arm 32 is fixedly connected to the top of the front side of the welding box main body 31, the lower support arm 33 is fixedly connected to the front side of the welding box main body 31 and is located at a predetermined position under the upper support arm 32, the upper welding head 34 is arranged on the upper support arm 32 in a liftable manner, the upper welding electrode 35 is mounted at the bottom of the upper welding head 34, the upper welding electrode 35 is electrically connected to a first output terminal of the welding box main body 31 through a flexible electrical connection band (e.g. a copper band), the lower welding electrode 36 is electrically connected to, the lower welding electrode 36 is fixedly connected to the lower support arm 33 and corresponds to the upper welding electrode 35 in position, when the upper welding electrode 35 descends, a workpiece is clamped between the upper welding electrode 35 and the lower welding electrode 36, arc discharge is generated between the upper welding electrode 35 and the lower welding electrode 36, heat generated by the arc discharge melts the workpiece to be joined, and the positioning seat 4 is slidably mounted on the lower support arms 33 of the two welding machines 3 along the length direction of the upper welding electrode 35 so as to weld the clamping strips 2 in a segmented manner.
The upper welding electrode 35 is provided with a welding groove 351 (as shown in fig. 5) along the length direction, and the width of the welding groove 351 is matched with the width of the clamping strip 2, so that the upper welding electrode 35 can be pressed down at two sides of the clamping strip 2 for welding.
A guide sleeve 37 is fixedly connected to the extending end surface of each upper support arm 32, a lifting driving member 38 is fixedly connected to the guide sleeve 37, and a telescopic rod of the lifting driving member 38 downwardly penetrates through the guide sleeve 37 and is connected to the upper welding head 34, so as to drive the upper welding head 34 and the upper welding electrode 35 to lift.
Referring to fig. 4 to 7, the positioning seat 4 includes a base 41, two sliding rails 42, four sliding blocks 43, a positioning frame 44, four positioning fixtures 45 and a sliding driving member 40, the base 41 is fixedly mounted on the two lower supporting arms 33, the two sliding rails 42 are fixedly connected to two sides of the base 41 in parallel, two sliding blocks 43 are slidably disposed on each sliding rail 42, the positioning frame 44 is fixedly connected to the four sliding blocks 43, the sliding driving member 40 is fixed on the base 41, an extension end of the sliding driving member 40 is connected to the positioning frame 44 to drive the positioning frame 44 to slide along the two sliding rails 42, positioning slots 441 adapted to the shape and size of the main panel 1 are formed on a top surface of the positioning frame 44, the four positioning fixtures 45 are correspondingly disposed at four corners of the positioning slots 441, each positioning fixture 45 includes a turnable clamping jaw 451, the clamping jaw 451 includes a fixing block 4511 and two clamping blocks 4512, the two clamping blocks 4512 downwardly protrude from one end of, a clamping groove 4513 having a width corresponding to that of the clamping bar 2 is formed between the two clamping blocks 4512.
When the four clamping jaws 451 are all turned upwards to a preset angle, the main panel 1 is placed in the positioning groove 441, the four clamping jaws 451 are controlled to be turned downwards to press the main panel 1, both ends of each clamping strip 2 are provided with notches, so as to position each clamping strip 2 on the main panel 1 through the clamping and positioning space formed between each set of positioning clamps 45 (two positioning clamps 45 opposite to the clamping groove 4513 are a set), the two ends of each clamping strip 2 are respectively accommodated in the two opposite clamping grooves 4513, each upper welding electrode 35 is controlled to be pressed down to the protruding edges at the two sides of each clamping strip 2 for welding, in order to reduce the current required for welding, in this embodiment the welding is performed in two stages, first half the length of each clamping bar 2 is welded, then the positioning frame 44 drives the workpiece to slide to the position right below the upper welding electrode 35 to stop, and the upper welding electrode 35 presses and welds the other half of the length of each clamping bar 2. It will be appreciated that this welding process may be performed in one or more steps depending on the length of the clamping bar 2.
The positioning seat 4 is matched with four positioning fixtures 45 through setting up base 41, two slide rails 42, four sliders 43, locating rack 44, and base 41's slip is convenient for realize the segmentation welding, and the clamping jaw 451 of positioning fixture 45 can push down the main panel 1, and the centre gripping groove 4513 on two relative clamping jaws 451 can provide the location for the centre gripping strip 2 again simultaneously, so this locate mode convenient operation, and the location is accurate, can improve welded quality.
Referring to fig. 3, the positioning fixture 45 further includes a connecting plate 452, a supporting block 453, two hinge plates 454, a connecting rod 455, two hinge seats 456 and a turning driving member 457, wherein one side of the connecting plate 452 is fixed to the positioning frame 44, the supporting block 453 protrudes out of the connecting plate 452, preferably, in this embodiment, two hinge plates 454 are oppositely disposed, lower ends of the two hinge plates 454 are hinged to the supporting block 453, upper ends of the two hinge plates 454 are hinged to the middle position of the connecting rod 455, the hinge plates 454 may be only one, the two hinge plates 454 are more stably and reliably arranged, the fixing block 4511 of the clamping jaw 451 is fixed to one end of the connecting rod 455, the hinge seat 456 is hinged to the other end of the connecting rod 455, the turning driving member 457 is mounted on the.
The telescopic rod of the turnover driving piece 457 drives the connecting rod 455 and the hinged plate 454 to swing to drive the clamping jaw 451 to turn over, and the positioning clamp 45 adopting the structure is compact in structure, simple and convenient to control action, stable in pressure of the clamping jaw 451 and capable of guaranteeing welding quality.
Referring to fig. 4 to 7, the positioning frame 44 includes a bottom frame 442, a top plate 443 and four elastic supporting members 444, the top plate 443 and the bottom frame 442 are disposed in parallel, and the four elastic supporting members 444 are uniformly disposed between the top plate 443 and the bottom frame 442, so that the top plate 443 is elastically supported on the bottom frame 442.
The slide driving member 40 is disposed between the bottom frame 442 and the top plate 443, a main body portion of the slide driving member 40 is fixed to the base 41, and a telescopic end of the slide driving member 40 is connected to the bottom frame 442.
The bottom frame 442 is mainly formed by fixedly connecting three strip-shaped plates to form a square frame structure with an opening at one end. The four sliders 43 are respectively fixed to four corners of the lower surface of the bottom frame 442.
The top plate 443 is oppositely provided with two welding openings 4431, each lower welding electrode 36 is located in each welding opening 4431, the length of the welding opening 4431 is greater than that of the lower welding electrode 36, and the lower welding electrode 36 and the edge of the welding opening 4431 have a predetermined distance, so that the top plate 443 can provide a moving space when sliding along with the positioning frame 44.
When the upper welding electrode 35 is in the raised state, the lower welding electrode 36 is spaced apart from the upper surface of the top plate 443 by a predetermined distance, so that the lower welding electrode 36 is prevented from obstructing the sliding of the main panel 1 placed on the top plate 443 with the positioning frame 44, and the lower welding electrode 36 is prevented from rubbing against the main panel 1 to generate scratches.
When the upper welding electrode 35 is pressed down to the welding position on the main panel 1, the top plate 443 is lowered against the elastic force of the elastic support assembly 444 so that the lower welding electrode 36 is abutted against the lower surface of the main panel 1 through the welding opening 4431, the upper welding electrode 35 is abutted against the welding position on the main panel 1, and the upper welding electrode 35 and the lower welding electrode 36 are clamped and pressed on the main panel 1 up and down to realize welding.
Referring to fig. 4, the elastic support assembly 444 includes a lower support seat 4441, a gasket 4442, a spring 4443, a support rod 4444 and an upper support seat 4445, wherein four corners of the bottom frame 442 are provided with mounting holes, a bottom cylindrical portion of the lower support seat 4441 is fixedly connected to the mounting holes, the gasket 4442 is disposed on the lower support seat 4441, the spring 4443 is disposed on the gasket 4442, an upper end of the support rod 4444 is fixedly connected to the support seat 4445, a lower end of the support rod 4444 is liftably inserted into the spring 4443, the gasket 4442 and the lower support seat 4441, the spring 4443 elastically supports between the gasket 4442 and the upper support seat 4445, and the upper support seat 4445 is fixedly connected to a lower surface of the top plate 443. The elastic support assembly 444 with the structure is simple in structure and convenient to install, and can provide stable elastic support for the positioning frame 44 so as to play a certain buffering role when the upper welding electrode 35 is pressed down for welding. When the upper welding electrode 35 is pressed downwards for welding, the spring 4443 is compressed, so that the lower welding electrode 36 is abutted against the lower surface of the main panel 1 for welding, and when the upper welding electrode 35 is lifted, the lower welding electrode 36 is separated from the lower surface of the main panel 1, so that the positioning frame 44 drives the main panel 1 to slide.
One pair of sides of the upper surface of the top plate 443 are respectively and fixedly connected with positioning strips 445, the other pair of sides are respectively and fixedly connected with two positioning blocks 446, and positioning grooves 441 are formed between the two positioning strips 445 and the four positioning blocks 446.
Referring to fig. 2, the positioning frame 44 is provided with a rocker switch 46 for controlling the tilting driving member 457 to perform a telescopic motion, the telescopic rod of the tilting driving member 457 retracts downward by pulling the rocker switch 46 to tilt the clamping jaw 451 upward so as to be placed into the main panel 1, the telescopic rod of the tilting driving member 457 extends upward by pulling the rocker switch 46 to tilt the clamping jaw 451 downward, and the clamping jaw 451 presses the main panel 1 downward.
The positioning frame 44 is further provided with a button 47 for controlling the upper welding electrode 35 to perform a welding operation, so that after the main panel 1 and the two clamping bars 2 are placed, the upper welding electrode 35 is descended and welded after the button 47 is pressed.
Referring to fig. 2 and 8, the welding method of the laminate welding machine of the present invention includes the following steps:
the main panel 1 is positioned on the positioning seat 4, then the two clamping strips 2 are positioned on the main panel 1, the upper welding electrode 35 is controlled to descend to the two side edges of each clamping strip 2 for welding, after one section of each clamping strip 2 is welded, the upper welding electrode 35 ascends to a preset position and stops, when the upper welding electrode 35 is separated from the clamping strips 2, the positioning seat 4 drives the main panel 1 and the two clamping strips 2 to slide to the preset position and stop, the other section of each clamping strip 2 is located right below the upper welding electrode 35, the upper welding electrode 35 descends to the two side edges of the other section of each clamping strip 2 for welding, after welding is completed, the upper welding electrode 35 ascends to the preset position and stops, the positioning seat 4 drives the welded workpiece to move out to the initial position and stop, and the welded workpiece is taken out.
More specifically, when the positioning seat 4 is used for positioning, the four clamping jaws 451 are controlled to be turned upwards by a predetermined angle and then stopped, so that the main panel 1 is placed in the positioning groove 441 for positioning, the four clamping jaws 451 are controlled to be turned downwards until the clamping jaws 451 press the main panel 1, and then the two ends of the clamping strip 2 are respectively placed in the two clamping grooves 4513 with opposite openings, so that the two clamping strips 2 and the panel 1 are positioned on the positioning seat 4.
The utility model discloses the plywood welding machine is through setting up welding electrode 35 and lower welding electrode 36 on two sets of upper and lower correspondence, welding electrode 35 length direction slidable ground is installed on the lower support arm 33 of two welding machines 3 on can being followed to positioning seat 4, through being located two centre gripping strips 2 and panel 1 on positioning seat 4, control is gone up welding electrode 35 and is pushed down behind one section welding position of welding two centre gripping strips 2, it stops to preset position to go up welding electrode 35, positioning seat 4 drives two centre gripping strips 2 and panel 1 and stops after the predetermined distance slides, make another section welding position of two centre gripping strips 2 be located welding electrode 35 under, in order to supply welding electrode 35 to push down the welding. Therefore, the automatic welding of the two clamping strips 2 and the panel 1 can be realized by the laminate welding machine, and the welding efficiency and the welding quality can be improved.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transformation that the content of the specification does, or directly or indirectly use in other related technical fields, all including in the same way the patent protection scope of the present invention.
Claims (9)
1. A positioning device for laminate welding is characterized by comprising a base (41), two slide rails (42), four sliders (43), a positioning frame (44), four positioning clamps (45) and a sliding driving piece (40), wherein the two slide rails (42) are fixedly connected to two sides of the base (41) in parallel, two sliders (43) are slidably arranged on each slide rail (42), the positioning frame (44) is fixedly connected to the four sliders (43), the sliding driving piece (40) is fixed on the base (41), the telescopic end of the sliding driving piece (40) is connected with the positioning frame (44), positioning grooves (441) matched with the appearance size of a main panel (1) are formed in the top surface of the positioning frame (44), the four positioning clamps (45) are correspondingly arranged at four corners of the positioning grooves (441) in pairs, each positioning clamp (45) comprises a turnable clamping jaw (451), each clamping jaw (451) comprises a fixing block (4511) and two clamping blocks (4512), two clamping blocks (4512) protrude downwards at one end of the fixing block (4511), and a clamping groove (4513) which is equivalent to the width of the clamping strip (2) is formed between the two clamping blocks (4512).
2. The positioning device for welding the layer plates according to claim 1, further comprising a connecting plate (452), a supporting block (453), a hinge plate (454), a connecting rod (455), a hinge seat (456) and a turnover driving member (457), wherein one side of the connecting plate (452) is fixed on the positioning frame (44), the supporting block (453) protrudes out of the connecting plate (452), the lower end of the hinge plate (454) is hinged on the supporting block (453), the upper end of the hinge plate (454) is hinged in the middle of the connecting rod (455), a fixing block (4511) of the clamping jaw (451) is fixed at one end of the connecting rod (455), the hinge seat (456) is hinged at the other end of the connecting rod (455), the turnover driving member (457) is mounted on the connecting plate (452), and a telescopic rod of the turnover driving member (457) is connected with the hinge seat (.
3. The positioning device for welding laminae according to claim 2, characterized in that said hinged plates (454) are provided in two opposite pieces.
4. The positioning device for the layer welding of claim 1, wherein the positioning frame (44) comprises a bottom frame (442), a top plate (443) and four elastic supporting members (444), the top plate (443) and the bottom frame (442) are arranged in parallel up and down, and the four elastic supporting members (444) are uniformly arranged between the top plate (443) and the bottom frame (442), so that the top plate (443) is elastically supported on the bottom frame (442).
5. The positioning device for deck welding according to claim 4, wherein the slide driving member (40) is disposed between the bottom frame (442) and the top plate (443), the body portion of the slide driving member (40) is fixed to the base (41), and the telescopic end of the slide driving member (40) is connected to the bottom frame (442).
6. The positioning device for welding layer plates according to claim 4, wherein the bottom frame (442) is formed by three elongated plates fixed together to form a square frame structure with one open end, and four sliding blocks (43) are fixed together at four corners of the bottom surface of the bottom frame (442).
7. The positioning device for ply welding according to claim 4, characterized in that two welding ports (4431) are oppositely provided on the top plate (443).
8. The positioning device for welding the layer plates according to claim 4, wherein the elastic support assembly (444) comprises a lower support (4441), a washer (4442), a spring (4443), a support rod (4444) and an upper support (4445), four corners of the bottom frame (442) are provided with mounting holes, a bottom cylindrical portion of the lower support (4441) is fixedly connected into the mounting holes, the washer (4442) is arranged on the lower support (4441), the spring (4443) is arranged on the washer (4442), an upper end of the support rod (4444) is fixedly connected with the support (4445), a lower end of the support rod (4444) is liftably arranged in the spring (4443), the washer (4442) and the lower support (4441), the spring (4443) elastically abuts between the washer (4442) and the upper support (4445), and the upper support (4445) is fixedly connected with a lower surface of the top plate (443).
9. The positioning device for welding the layer plates according to claim 4, wherein one pair of sides of the upper surface of the top plate (443) are respectively fixedly connected with a positioning strip (445), the other pair of sides of the upper surface of the top plate are respectively fixedly connected with two positioning blocks (446), and positioning grooves (441) are formed between the two positioning strips (445) and the four positioning blocks (446).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920434913.2U CN209811576U (en) | 2019-04-01 | 2019-04-01 | Positioning device for laminate welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920434913.2U CN209811576U (en) | 2019-04-01 | 2019-04-01 | Positioning device for laminate welding |
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| Publication Number | Publication Date |
|---|---|
| CN209811576U true CN209811576U (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920434913.2U Active CN209811576U (en) | 2019-04-01 | 2019-04-01 | Positioning device for laminate welding |
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| CN (1) | CN209811576U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822279A (en) * | 2019-04-01 | 2019-05-31 | 惠州市诚业家具有限公司 | Positioning device and its localization method for laminate welding |
| CN117428407A (en) * | 2023-12-20 | 2024-01-23 | 华能科尔沁右翼前旗新能源有限公司 | Steel structure welding device for wind power substation foundation |
-
2019
- 2019-04-01 CN CN201920434913.2U patent/CN209811576U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822279A (en) * | 2019-04-01 | 2019-05-31 | 惠州市诚业家具有限公司 | Positioning device and its localization method for laminate welding |
| CN109822279B (en) * | 2019-04-01 | 2024-04-05 | 惠州市诚业家具有限公司 | Positioning device for welding laminate and positioning method thereof |
| CN117428407A (en) * | 2023-12-20 | 2024-01-23 | 华能科尔沁右翼前旗新能源有限公司 | Steel structure welding device for wind power substation foundation |
| CN117428407B (en) * | 2023-12-20 | 2024-03-12 | 华能科尔沁右翼前旗新能源有限公司 | Steel structure welding device for wind power substation foundation |
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