CN112643267A - H shaped steel and T shaped steel butt welding fixing device that counterpoints - Google Patents
H shaped steel and T shaped steel butt welding fixing device that counterpoints Download PDFInfo
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- CN112643267A CN112643267A CN202011424470.2A CN202011424470A CN112643267A CN 112643267 A CN112643267 A CN 112643267A CN 202011424470 A CN202011424470 A CN 202011424470A CN 112643267 A CN112643267 A CN 112643267A
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- shaped
- shaped steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Abstract
The invention relates to the technical field of steel structures, in particular to a butt welding, aligning and fixing device for H-shaped steel and T-shaped steel, which comprises a first clamping mechanism, a second clamping mechanism, a first fixing plate, a U-shaped collecting box, a U-shaped fixing frame, a first lifting cylinder, a push rod and a second fixing plate, wherein the H-shaped steel is fastened and clamped through the first clamping mechanism, then the opposite ends of the T-shaped steel and the H-shaped steel are butted, the T-shaped steel is fastened and clamped through the second clamping mechanism, the first clamping mechanism and the second clamping mechanism can be synchronously overturned through the first lifting cylinder at one end of the U-shaped collecting box under the action of the push rod, the U-shaped fixing frame, the first fixing plate and the second fixing plate, so that the T-shaped steel and the H-shaped steel are synchronously overturned, one side end of the butted position is outwards overturned to a proper angle, and the first lifting cylinder at the other end of the U-, the side end of the other side is turned outwards to a proper angle, so that the welding operation is convenient, and the welding efficiency is improved.
Description
Technical Field
The invention discloses a butt welding alignment fixing device for H-shaped steel and T-shaped steel, and belongs to the technical field of steel structures.
Background
The H-shaped steel is an economic section efficient section with more optimized section area distribution and more reasonable strength-to-weight ratio, the section of the H-shaped steel is named after being the same as the English letter 'H', all parts of the H-shaped steel are arranged at right angles, and the T-shaped steel is cast into a T shape and named after the section of the T-shaped steel is the same as the English letter 'T'. H shaped steel and T shaped steel all are in the steel construction more common section bar when using steel in a certain extent, need carry out butt joint welding with H shaped steel and T shaped steel, H shaped steel and T shaped steel butt joint welding counterpoint fixing device adopt overall structure at present, when using, can conveniently weld H shaped steel and T shaped steel butt joint upper end outwards, but other contact jaw welding of butt joint position is comparatively difficult, can influence welding efficiency, consequently, need design H shaped steel and T shaped steel butt joint welding counterpoint fixing device and solve above-mentioned problem.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a butt welding, aligning and fixing device for H-shaped steel and T-shaped steel.
The technical scheme adopted by the invention for solving the technical problems is as follows: a butt welding alignment fixing device for H-shaped steel and T-shaped steel comprises a first clamping mechanism, a second clamping mechanism, a first fixing plate, a U-shaped collecting box, a U-shaped fixing frame, a first lifting cylinder, a push rod and a second fixing plate, wherein the two second fixing plates which are horizontally and transversely arranged are symmetrically installed on the upper right side of the U-shaped collecting box, a plurality of first clamping mechanisms which are horizontally and transversely arranged are fixedly connected between the two second fixing plates at equal intervals, the first clamping mechanisms are positioned right above the U-shaped collecting box, the two first fixing plates which are horizontally and transversely arranged are symmetrically arranged on the upper left side of the U-shaped collecting box, the first fixing plates are positioned on the left side of the second fixing plates, a plurality of second clamping mechanisms which are horizontally arranged between the two first fixing plates at equal intervals, the second clamping mechanisms are positioned right above the U-shaped collecting box, the first clamping mechanisms are the same in structure as the second clamping mechanisms, first fixed plate deviates from second fixture one end and the second fixed plate deviates from the equal equidistance fixed connection a plurality of U type mount of first fixture one end, a plurality of the equal movable mounting push rod of U type mount lower extreme, a plurality of the expansion end of the equal fixed connection first lift jar of push rod lower extreme, a plurality of the cylinder body of first lift jar is fixed both ends around the box is collected to the U type respectively.
The utility model discloses a U type mount, including U type mount, push rod, U type mount, bolt axle and push rod, push rod upper end extends into in the U type mount, U type mount one end sets up bolt axle and runs through U type mount and push rod, bolt epaxial assembly R type round pin and the laminating setting of R type round pin are at the U type mount other end.
And the U-shaped fixing frame is fixedly connected with the reinforcing plate at the connecting positions of the first fixing plate and the second fixing plate.
First fixture includes transverse plate of transverse arrangement, the equal fixed connection vertical board in both ends around the transverse plate, the vertical board downside deviates from transverse plate one end fixed connection second fixed plate, transverse plate upper end middle part position sets up transverse arrangement's first logical groove, two rotate between the vertical board upper right side and connect two-way screw rod and be in the transverse plate upside, two nut seat and nut seat sliding connection of two-way screw rod annular end-to-end symmetry threaded connection are in the transverse plate upper end, the cylinder body of nut seat upper end intermediate position fixed connection second lift jar, the movable rod of second lift jar runs through the first logical groove and the horizontal portion of fixed connection L type clamp splice of nut seat and transverse plate.
Furthermore, a first guide rod is fixedly connected between the left upper sides of the two vertical plates and is positioned on the left side of the bidirectional screw, and the first guide rod penetrates through the two nut seats and is in sliding connection with the two nut seats.
Furthermore, two second through grooves are symmetrically formed in the transverse plate and are located on the left side and the right side of the first through groove, the lower end of the nut seat is symmetrically and fixedly connected with two second guide rods, the two second guide rods respectively penetrate through the two second through grooves, and the two second guide rods respectively penetrate through the L-shaped clamping block and are connected with the L-shaped clamping block in a sliding mode.
Furthermore, the upper end of the vertical part of the L-shaped clamping block is provided with anti-skid grains.
Further, the transverse plate and the two vertical plates are in an integrated forming structure.
The invention has the beneficial effects that:
(1) according to the H-shaped steel and T-shaped steel butt welding alignment fixing device, the first clamping mechanism and the second clamping mechanism are used for respectively fastening and clamping T-shaped steel and H-shaped steel, opposite ends of the T-shaped steel and the H-shaped steel are butted, welding operation can be performed on the upper end of the butt joint position of the T-shaped steel and the H-shaped steel, after the welding operation is completed, the first clamping mechanism and the second clamping mechanism are synchronously overturned under the action of the push rod, the U-shaped fixing frame, the first fixing plate and the second fixing plate through the first lifting cylinder at one end of the U-shaped collecting box, so that the T-shaped steel and the H-shaped steel are synchronously overturned, one side end of the butt joint position of the T-shaped steel and the H-shaped steel is overturned to an outward proper angle, the welding operation is convenient.
(2) According to the H-shaped steel and T-shaped steel butt welding alignment fixing device, the U-shaped fixing frame and the push rod can move through the bolt shaft, so that the overturning work is facilitated, the U-shaped fixing frame and the push rod can be quickly disassembled and assembled, and the maintenance and the replacement are facilitated.
(3) According to the H-shaped steel and T-shaped steel butt welding alignment fixing device, the second lifting cylinder and the L-shaped clamping blocks are driven to move relatively through the bidirectional screw and the two nut seats, the distance between the two L-shaped clamping blocks is adjusted, the T-shaped steel or the H-shaped steel with different transverse part widths can be clamped, the application range is widened, the vertical part of the T-shaped steel or the H-shaped steel penetrates through the space between the two L-shaped clamping blocks, the transverse part of the T-shaped steel or the H-shaped steel is located at the upper ends of the two L-shaped clamping blocks, the second lifting cylinder is used for driving the L-shaped clamping blocks to move upwards, and the T-shaped steel or the H-shaped steel is clamped quickly through the L-shaped clamping blocks and the transverse plate.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a butt welding alignment fixing device for H-shaped steel and T-shaped steel according to the present invention;
FIG. 2 is an assembly view of a U-shaped fixing frame and a push rod in the H-shaped steel and T-shaped steel butt welding alignment fixing device of the invention;
FIG. 3 is a cross-sectional view of a first clamping mechanism in the H-shaped steel and T-shaped steel butt welding alignment fixing device of the invention;
fig. 4 is a sectional view taken along the line a in fig. 3.
In the figure: 1. first fixture, 2, second fixture, 3, first fixed plate, 4, U type collection box, 5, U type mount, 6, first lift jar, 7, push rod, 8, second fixed plate, 11, vertical plate, 12, horizontal plate, 13, first logical groove, 14, L type clamp splice, 15, nut seat, 16, second lift jar, 17, first guide arm, 18, second logical groove, 19, two-way screw rod, 51, bolt axle, 52, R type round pin.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1-4, the present invention provides a technical solution: a fixing device for butt welding alignment of H-shaped steel and T-shaped steel comprises a first clamping mechanism 1, a second clamping mechanism 2, a first fixing plate 3, a U-shaped collecting box 4, a U-shaped fixing frame 5, a first lifting cylinder 6, a push rod 7 and a second fixing plate 8, wherein the two second fixing plates 8 which are horizontally and transversely arranged are symmetrically arranged on the upper right side of the U-shaped collecting box 4, an installation carrier is provided for the first lifting cylinder 6 through the U-shaped collecting box 4, welding slag generated by welding is effectively collected, a plurality of first clamping mechanisms 1 which are horizontally and transversely arranged are fixedly connected between the two second fixing plates 8 at equal intervals, the first clamping mechanisms 1 are positioned right above the U-shaped collecting box 4, the plurality of first clamping mechanisms 1 are fastened and installed through the second fixing plates 8, the two first fixing plates 3 which are horizontally and transversely arranged are symmetrically arranged on the upper left side of the U-shaped collecting box 4, and the first fixing plates 3 are positioned on the left side of the second fixing plates 8, a plurality of second fixture 2 and second fixture 2 that equidistance fixed connection left and right sides was arranged between two first fixed plates 3 are in U type and collect box 4 and adorn directly over, through first fixed plate 3, realize fastening the installation with a plurality of second fixture 2, first fixture 1 is the same with second fixture 2 structure, the design that the structure is the same, be convenient for produce and assemble, first fixed plate 3 deviates from 2 one end of second fixture and second fixed plate 8 deviates from 1 one end of first fixture a plurality of U type mounts 5 of equidistance fixed connection, the equal movable mounting push rod 7 of 5 lower extreme of a plurality of U type mount, the active end of the equal fixed connection first lift cylinder 6 of a plurality of push rod 7 lower extreme, the cylinder body of the first lift cylinder 6 of a plurality of is fixed both ends around U type is collected box 4 respectively.
Specifically, firstly, the upper lateral part of the H-shaped steel penetrates through a plurality of first clamping mechanisms 1, the H-shaped steel is fastened and clamped by the first clamping mechanisms 1, then the lateral part of the T-shaped steel penetrates through a plurality of second clamping mechanisms 2, the opposite ends of the T-shaped steel and the H-shaped steel are butted, the T-shaped steel is fastened and clamped by the second clamping mechanisms 2, then the upper end of the butted position of the T-shaped steel and the H-shaped steel can be welded, after the welding operation is completed, the first clamping mechanisms 1 and the second clamping mechanisms 2 are synchronously overturned through a first lifting cylinder 6 at one end of a U-shaped collecting box 4 under the action of a push rod 7, a U-shaped fixing frame 5, a first fixing plate 3 and a second fixing plate 8, so that the T-shaped steel and the H-shaped steel are synchronously overturned, and one side end of the butted position of the T-shaped steel and the H-shaped steel is overturned to, and then welding operation is carried out on the corresponding side end, the first lifting cylinder 6 at the other end of the U-shaped collecting box 4 is utilized to enable the other side end of the butt joint position of the T-shaped steel and the H-shaped steel to be turned to an outward proper angle, and then welding operation is carried out, so that the welding operation is convenient, and the welding efficiency is improved.
7 upper ends of push rods extend into U type mount 5, 5 one end of U type mount sets up bolt axle 51 and bolt axle 51 runs through U type mount 5 and push rod 7, assemble R type round pin 52 and the laminating of R type round pin 52 sets up at the 5 other ends of U type mount on the bolt axle 51, specifically, through bolt axle 51, realize the active motion between U type mount 5 and the push rod 7 promptly, thereby make things convenient for upset work, also can realize quick assembly disassembly between U type mount 5 and the push rod 7, be convenient for maintain and change, in addition through R type round pin 52, effectively prevent that bolt axle 51 from droing.
The first clamping mechanism 1 comprises a transverse plate 12 which is transversely arranged, the front end and the rear end of the transverse plate 12 are fixedly connected with vertical plates 11, one end of the lower side of each vertical plate 11, which is far away from the transverse plate 12, is fixedly connected with a second fixing plate 8, the middle position of the upper end of the transverse plate 12 is provided with a transversely arranged first through groove 13, a bidirectional screw 19 is rotatably connected between the right upper sides of the two vertical plates 11 and is positioned on the upper side of the transverse plate 12, the annular end of the bidirectional screw 19 is symmetrically and spirally connected with two nut seats 15, the nut seats 15 are slidably connected on the upper end of the transverse plate 12, the middle position of the upper end of each nut seat 15 is fixedly connected with a cylinder body of a second lifting cylinder 16, a movable rod of the second lifting cylinder 16 penetrates through the nut seats 15 and the first through grooves 13 of the transverse plate 12 and is fixedly connected with the transverse part of the L-shaped clamping block 14, specifically, the bidirectional screw 19 is firstly rotated, and because the bidirectional screw 19 is spirally connected with, thereby drive second lift cylinder 16 and L type clamp splice 14 and carry out relative motion, realize adjusting the distance between two L type clamp splices 14, satisfy and carry out centre gripping work to the T shaped steel or the H shaped steel of different horizontal width, promote application range, run through between two L type clamp splices 14 in the vertical portion of T shaped steel or H shaped steel, and make its horizontal portion be in two L type clamp splice 14 upper ends, reuse second lift cylinder 16, drive L type clamp splice 14 upwards moves, and then carry out quick centre gripping work to T shaped steel or H shaped steel through L type clamp splice 14 and horizontal plate 12.
A first guide rod 17 is fixedly connected between the left upper sides of the two vertical plates 11, the first guide rod 17 is positioned on the left side of the bidirectional screw 19, the first guide rod 17 penetrates through the two nut seats 15 and is in sliding connection with the two nut seats 15, and specifically, the movement of the nut seats 15 is guided by the first guide rod 17.
Two second through grooves 18 are symmetrically formed in the transverse plate 12, the two second through grooves 18 are located on the left side and the right side of the first through groove 13, the two second guide rods are symmetrically and fixedly connected to the lower end of the nut seat 15 and penetrate through the two second through grooves 18 respectively, the two second guide rods penetrate through the L-shaped clamping block 14 and are in sliding connection with the L-shaped clamping block 14, specifically, the L-shaped clamping block 14 is guided to move through the second guide rods, and clamping stability is improved.
The upper end of the vertical part of the L-shaped clamping block 14 is provided with anti-slip lines, specifically, the anti-slip lines increase the friction coefficient, and the clamping stability is high.
The transverse plate 12 and the two vertical plates 11 are of an integrated forming structure, and particularly, the integrated forming structure is convenient to produce due to the design of the integrated forming structure.
In the specific implementation mode, firstly according to the specification of the T-shaped steel or the H-shaped steel, then the two-way screw rod 19 is rotated, and because the two-way screw rod 19 is in threaded connection with the two nut seats 15, the two nut seats 15 can relatively move along the upper end surface of the transverse plate 12 by the rotation of the two-way screw rod 19, so as to drive the second lifting cylinder 16 and the L-shaped clamping block 14 to relatively move, and adjust the distance between the two L-shaped clamping blocks 14 to a proper position, in the same way as the above steps, the first clamping mechanism 1 and the second clamping mechanism 2 are correspondingly adjusted, then the vertical part of the H-shaped steel penetrates between the two L-shaped clamping blocks 14 of the plurality of first clamping mechanisms 1, then the corresponding second lifting cylinder 16 is started through the control switch, the second lifting cylinder 16 drives the L-shaped clamping block 14 to move upwards, and then the upper transverse part of the H-shaped steel is clamped through the corresponding L-shaped clamping block 14 and, then run through the vertical portion of T shaped steel between two L type clamp splice 14 of a plurality of second fixture 2 to make T shaped steel and H shaped steel looks remote site carry out the butt joint, corresponding second lift cylinder 16 is started through control switch to the rethread, and second lift cylinder 16 drive L type clamp splice 14 upwards moves, and then carries out the centre gripping through corresponding L type clamp splice 14 and horizontal plate 12 to the horizontal portion of T shaped steel.
After the T-shaped steel and the H-shaped steel are butted and fixed, the welding operation can be carried out on the upper end of the corresponding butting position, after the welding operation is finished, the first lifting cylinder 6 at one end of the U-shaped collecting box 4 is started through a control switch, the first lifting cylinder 6 drives the push rod 7 to move upwards, under the action of the bolt shaft 51, the U-shaped fixing frame 5, the first fixing plate 3 and the second fixing plate 8, the first clamping mechanism 1 and the second clamping mechanism 2 are synchronously overturned, so that the T-shaped steel and the H-shaped steel are synchronously overturned, the side end at one side of the butting position of the T-shaped steel and the H-shaped steel is overturned to a proper angle, then the corresponding side end is welded, the first lifting cylinder 6 at the other end of the U-shaped collecting box 4 is utilized to overturn the side end at the butting position of the T-shaped steel and the H-shaped steel to a proper angle outwards, then, the welding efficiency is improved.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a H shaped steel and T shaped steel butt welding fixing device that counterpoints, its characterized in that: comprises a first clamping mechanism (1), a second clamping mechanism (2), a first fixing plate (3), a U-shaped collecting box (4), a U-shaped fixing frame (5), a first lifting cylinder (6), a push rod (7) and a second fixing plate (8), wherein the two second fixing plates (8) which are horizontally and transversely arranged are symmetrically installed on the upper right side of the U-shaped collecting box (4), a plurality of first clamping mechanisms (1) which are horizontally and transversely arranged are fixedly connected between the two second fixing plates (8) at equal intervals, the first clamping mechanisms (1) are positioned right above the U-shaped collecting box (4), the two first fixing plates (3) which are horizontally and transversely arranged are symmetrically arranged on the upper left side of the U-shaped collecting box (4), the first fixing plates (3) are positioned on the left side of the second fixing plate (8), a plurality of second clamping mechanisms (2) which are horizontally and transversely arranged between the two first fixing plates (3) at equal intervals, the left side and right side of the two second clamping mechanisms (2) are positioned between the first fixing plates (3), the first clamping mechanism (1) and the second clamping mechanism (2) are identical in structure, one end, away from the second clamping mechanism (2), of the first fixing plate (3) and one end, away from the first clamping mechanism (1), of the second fixing plate (8) are fixedly connected with a plurality of U-shaped fixing frames (5) at equal intervals, push rods (7) are movably mounted at the lower ends of the U-shaped fixing frames (5), the lower ends of the push rods (7) are fixedly connected with the movable end of the first lifting cylinder (6), and cylinder bodies of the first lifting cylinder (6) are fixed to the front end and the rear end of the U-shaped collecting box (4) respectively;
the upper end of the push rod (7) extends into the U-shaped fixing frame (5), one end of the U-shaped fixing frame (5) is provided with a bolt shaft (51), the bolt shaft (51) penetrates through the U-shaped fixing frame (5) and the push rod (7), the bolt shaft (51) is provided with an R-shaped pin (52), and the R-shaped pin (52) is attached to the other end of the U-shaped fixing frame (5);
the U-shaped fixing frame (5) is fixedly connected with the reinforcing plates at the connecting positions of the first fixing plate (3) and the second fixing plate (8);
the first clamping mechanism (1) comprises a transverse plate (12) which is transversely arranged, the front end and the rear end of the transverse plate (12) are fixedly connected with a vertical plate (11), one end of the lower side of the vertical plate (11) departing from the transverse plate (12) is fixedly connected with a second fixing plate (8), a first through groove (13) which is transversely arranged is formed in the middle of the upper end of the transverse plate (12), a bidirectional screw rod (19) is rotatably connected between the right upper sides of the two vertical plates (11), the bidirectional screw rod (19) is positioned on the upper side of the transverse plate (12), the two nut seats (15) are symmetrically and threadedly connected with the annular end of the bidirectional screw (19), the nut seats (15) are connected to the upper end of the transverse plate (12) in a sliding way, the middle position of the upper end of the nut seat (15) is fixedly connected with a cylinder body of a second lifting cylinder (16), the movable rod of the second lifting cylinder (16) penetrates through the nut seat (15) and the first through groove (13) of the transverse plate (12) and is fixedly connected with the transverse part of the L-shaped clamping block (14).
2. The butt welding, aligning and fixing device for the H-shaped steel and the T-shaped steel according to claim 1, characterized in that: a first guide rod (17) is fixedly connected between the left upper sides of the two vertical plates (11), the first guide rod (17) is positioned on the left side of the bidirectional screw (19), and the first guide rod (17) penetrates through the two nut seats (15) and is connected with the two nut seats (15) in a sliding mode.
3. The butt welding, aligning and fixing device for the H-shaped steel and the T-shaped steel according to claim 1, characterized in that: the nut seat is characterized in that two second through grooves (18) are symmetrically formed in the transverse plate (12), the two second through grooves (18) are located on the left side and the right side of the first through groove (13), the lower end of the nut seat (15) is symmetrically and fixedly connected with two second guide rods, the two second guide rods respectively penetrate through the two second through grooves (18), and the two second guide rods respectively penetrate through the L-shaped clamping block (14) and are in sliding connection with the L-shaped clamping block (14).
4. The butt welding, aligning and fixing device for the H-shaped steel and the T-shaped steel according to claim 1, characterized in that: the upper end of the vertical part of the L-shaped clamping block (14) is provided with anti-skid grains.
5. The butt welding, aligning and fixing device for the H-shaped steel and the T-shaped steel according to claim 1, characterized in that: the transverse plate (12) and the two vertical plates (11) are in an integrated forming structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011424470.2A CN112643267A (en) | 2020-12-08 | 2020-12-08 | H shaped steel and T shaped steel butt welding fixing device that counterpoints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011424470.2A CN112643267A (en) | 2020-12-08 | 2020-12-08 | H shaped steel and T shaped steel butt welding fixing device that counterpoints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112643267A true CN112643267A (en) | 2021-04-13 |
Family
ID=75350401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011424470.2A Withdrawn CN112643267A (en) | 2020-12-08 | 2020-12-08 | H shaped steel and T shaped steel butt welding fixing device that counterpoints |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112643267A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147638A (en) * | 2021-11-24 | 2022-03-08 | 山西省安装集团股份有限公司 | Positioning device for connecting steel structural members |
-
2020
- 2020-12-08 CN CN202011424470.2A patent/CN112643267A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114147638A (en) * | 2021-11-24 | 2022-03-08 | 山西省安装集团股份有限公司 | Positioning device for connecting steel structural members |
| CN114147638B (en) * | 2021-11-24 | 2023-12-05 | 山西省安装集团股份有限公司 | Positioning device for connecting steel structural members |
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Application publication date: 20210413 |
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| WW01 | Invention patent application withdrawn after publication |