Adjustable steel structure clamping device and construction method thereof

Abstract

The invention discloses an adjustable steel structure clamping device and a construction method thereof, and belongs to the technical field of steel structure clamping devices.The adjustable steel structure clamping device is characterized in that the top end of a machining table is connected with two symmetrically-arranged square frames through a movable driving structure, and the inner bottom walls of the square frames are fixedly connected with lower supporting plates; an upper pressing plate connected to the inner wall of the mouth-shaped frame in a sliding manner is arranged above each lower supporting plate; according to the adjustable steel structure clamping device, when the adjustable steel structure clamping device is used, through the arrangement of two stopping blocks and two hiding grooves in the position correcting structure and the deformation structure, after the two stopping blocks are moved into and hidden in the hiding grooves, I-shaped steel and mouth-shaped steel can be conveniently placed on the tops of the two lower supporting plates, and under the action of gravity, the I-shaped steel and the mouth-shaped steel can be conveniently clamped. In addition, the bottom ends of inverted-L-shaped clamping blocks arranged on the two clamping plates can be jacked up by the outer side of the two-way screw rod, so that the tops of the inverted-L-shaped clamping blocks are higher than the tops of the clamping plates.

Description

Technical Field

[0001] The invention belongs to the technical field of steel structure clamping devices, and in particular relates to an adjustable steel structure clamping device and a construction method thereof. Background Art

[0002] Steel structure clamping devices are equipment used to fix and clamp steel structure components, and are widely used in construction, bridges, manufacturing, etc. Such devices are usually used to ensure the position and stability of steel components during welding, assembly or installation.

[0003] The adjustable steel structure clamping device of the prior art has the following disadvantages during use:

[0004] During the clamping process, generally, two steel structures to be welded are clamped and fixed on the clamps by manual operation, and then the two clamps are driven to move toward each other by starting the driving structure to achieve the alignment of the welding ends of the two steel structures. However, the welding parts are easily misaligned during the alignment process, and the clamping and movement cannot be synchronized at the same time, which greatly reduces the efficiency of the welding process. At the same time, the two clamps can only clamp a single tubular, square or I-shaped steel structure and cannot be deformed. Moreover, they can clamp and fix three steel structures at the same time. Therefore, an adjustable steel structure clamping device is required. Summary of the invention

[0005] The object of the present invention is to provide an adjustable steel structure clamping device and a construction method thereof to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an adjustable steel structure clamping device, comprising a processing table, the top of the processing table is connected to two symmetrically arranged mouth-shaped frames through a mobile driving structure, the inner bottom walls of the mouth-shaped frames are fixedly connected with lower support plates, upper pressure plates slidably connected to the inner walls of the mouth-shaped frames are arranged above the lower support plates, and sliders with I-shaped vertical cross-sections are fixedly connected to the two ends of the upper pressure plates, and the sliders are slidably connected to the slide grooves arranged on the side walls of the mouth-shaped frames;

[0007] It also includes a linkage positioning structure, a deformation structure and a positive position structure, wherein the linkage positioning structure is installed on the rear side wall of the processing table and is connected to one end of two slide blocks close to the rear side wall of the processing table;

[0008] The deformation structures are all installed on the support plate and the upper pressure plate on the same side, and the normal structures are all installed on the deformation structures.

[0009] Preferably, the mobile driving structure includes sliding seats fixed to the bottom ends of the two mouth-shaped frames, the vertical cross-sections of the sliding seats are convex structures, and the sliding seats are slidably connected to the sliding grooves provided at the top of the processing table.

[0010] Preferably, the two sliding seats are threadedly connected with the same bidirectional lead screw, the middle part of the bidirectional lead screw is rotatably connected to the inner side of the processing table, and both ends of the bidirectional lead screw are rotatably connected to the inner wall of the sliding groove, one end of the bidirectional lead screw extends to the outside of the processing table and is connected to the output shaft of the motor, and the motor is fixedly connected to the outside of the processing table.

[0011] Preferably, the linkage positioning structure includes transmission columns fixed to the ends of two sliding blocks close to the rear side wall of the processing table facing away from the upper pressure plate, and transmission plates are movably sleeved on the outer sides of the two transmission columns.

[0012] Preferably, two symmetrically arranged guide bars are fixedly connected to the front side wall of the transmission plate, and the cross-section of the guide bars is a convex structure. The guide bars are slidably connected to the guide grooves provided on the rear side wall of the processing table. The rear side wall of the transmission plate is threadedly connected with two symmetrically arranged hand screws near the bottom end, and the ends of the hand screws movably pass through the guide bars and are tightened against the inner wall of the guide groove.

[0013] Preferably, a V-shaped channel is provided on the transmission plate, and the two end extensions and the middle portion of the V-shaped channel are respectively arranged horizontally, and the two end portions of the V-shaped channel are respectively movably sleeved on the outer side of the transmission column on the corresponding side.

[0014] Preferably, the deformation structure includes concave cavities opened on the side walls opposite to each other of the upper pressure plate and the lower support plate, and symmetrically arranged clamping plates are rotatably connected in the concave cavities. The adjacent ends of the two clamping plates are rotatably connected in the concave cavities through rotating shafts, and torsion springs are movably sleeved on the outer sides of the rotating shafts, one end of the torsion springs is fixed to the outer side of the clamping plates, and the other end is fixed to the inner wall of the concave cavity.

[0015] Preferably, two symmetrically arranged blocking blocks are slidably connected in the same concave cavity, and one corner of the blocking block is provided with an inclined surface, and the blocking block is overlapped on the outer side of the clamping plate through the inclined surface, and the ends of the two blocking blocks facing away from the clamping plate are fixedly connected with moving blocks with a convex structure in vertical cross-section, and the two moving blocks are slidably connected to the moving groove provided on the inner wall of the concave cavity, and the same bidirectional screw is threadedly connected to the two moving blocks, and both ends of the bidirectional screw are rotatably connected to the moving groove, and a handle is fixedly connected to the movable extension part at one end of the bidirectional screw, and both ends of the concave cavity are provided with a stealth groove, which is convenient for moving the blocking block on the corresponding side into and hiding.

[0016] Preferably, the upright structure includes guide grooves provided on two clamping plates provided in the concave cavity of the lower support plate, guide blocks with I-shaped structures in vertical cross-section are slidably connected in the guide grooves, and inverted L-shaped clamping blocks are movably inserted on the guide blocks.

[0017] An adjustable steel structure clamping construction method comprises the following steps:

[0018] S1: First, according to the shape of the steel structure to be welded, the deformation structure and the positive structure are used in combination to adjust the shape of the lower support plate and the upper pressure plate, so that the clamping structure can be convenient for clamping and fixing square, I-shaped and tubular steel structures;

[0019] S2: Through the setting of the mobile driving structure, the two mouth-shaped frames drive the steel structures they carry to move and align, and actively realize the alignment of the two steel structures relative to one end;

[0020] S3: The initial height of the two upper pressing plates can be adjusted by setting the linkage positioning structure. Due to the setting of the linkage positioning structure, the height of the two upper pressing plates is fixed, so that the clamping and fixing of steel structures of different sizes can be achieved.

[0021] Compared with the prior art, the adjustable steel structure clamping device provided by the present invention has at least the following beneficial effects:

[0022] In the present invention, when the adjustable steel structure clamping device is used, the linkage positioning structure and the mobile driving structure are set, so that the two mouth-shaped frames can move relative to each other, and the two upper pressing plates can move relative to each other and actively move downward, so as to clamp and fix the two steel structures synchronously, and can continue to move relative to each other, and actively realize the matching of the two steel structures at one end;

[0023] By setting the deformation structure, the two clamping plates in each cavity can be in a V-shaped shape, so that it is convenient to clamp and fix tubular steel structures of different sizes. In addition, the initial height of the V-shaped channel can be adjusted in the linkage positioning structure, so that the initial height of the upper pressing plate is adjustable, which is convenient for active clamping and fixing of tubular steel structures of different sizes, greatly improving the scope of application;

[0024] By setting two blocking blocks and two invisible grooves in the positive structure and the deformation structure, the two blocking blocks can be moved into and hidden in the invisible grooves, and the top of the two lower support plates can be convenient for placing the I-shaped steel and the mouth-shaped steel. Under the action of gravity, the two clamping plates will be pressed to be parallel to the concave cavity. In addition, the bottom ends of the inverted L-shaped clamping blocks provided on the two clamping plates will be lifted up by the outer side of the two-way screw, so that the top of the inverted L-shaped clamping block is at the top of the clamping plate. Thereafter, the two blocking blocks can be forced to move relative to each other by rotating the two-way screw by hand, and the two inverted L-shaped clamping blocks can be pushed relative to each other, so that the two inverted L-shaped clamping blocks can clamp the I-shaped steel and the mouth-shaped steel in the positive position, so that the problem of deviation is not easy to occur in the subsequent matching process, which greatly improves the quality of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall three-dimensional front structure of the present invention;

[0026] Figure 2 It is a schematic diagram of the overall three-dimensional rear side structure of the present invention;

[0027] Figure 3 It is a schematic diagram of the three-dimensional structure of each component on the mouth-shaped frame of the present invention;

[0028] Figure 4 It is a schematic diagram of the three-dimensional unfolding structure of the deformed structure and the normal structure of the present invention;

[0029] Figure 5 It is a schematic diagram of the enlarged structure of point A of the present invention;

[0030] Figure 6 It is a schematic diagram of the three-dimensional structure of the guide block and the inverted L-shaped clamp block of the present invention.

[0031] In the figure: 1. processing table; 2. mouth frame; 21. sliding seat; 22. bidirectional screw; 23. motor; 24. lower support plate; 25. upper pressure plate; 26. slider; 3. linkage positioning structure; 31. guide bar; 32. transmission plate; 33. hand screw; 34. V-shaped channel; 35. transmission column; 4. deformation structure; 41. rotating shaft; 42. clamping plate; 43. blocking block; 44. torsion spring; 45. moving block; 46. bidirectional screw; 47. invisible groove; 5. positive structure; 51. guide block; 52. inverted L-shaped clamping block. DETAILED DESCRIPTION

[0032] The present invention will be further described below in conjunction with the embodiments.

[0033] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all the embodiments. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0034] The following examples are used to illustrate the present invention, but they cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions. Simple improvements to the method of the present invention under the premise of the concept of the present invention belong to the scope of protection claimed in the present invention.

[0035] Example

[0036] In the clamping process, generally, two steel structures to be welded are clamped and fixed on the clamps by manual operation, and then the two clamps are driven to move toward each other by starting the driving structure to achieve the alignment of the two steel structures' opposite welding ends. However, the welding parts are prone to misalignment during the alignment process, and the clamping and movement cannot be synchronized at the same time, which greatly reduces the efficiency of the welding process. At the same time, the two clamps can only clamp a single type of tubular, square or I-shaped steel structure, and cannot be deformed. They can clamp and fix three types of steel structures at the same time.

[0037] To do this, see Figure 1-6 The present invention provides an adjustable steel structure clamping device, comprising: a processing table 1, the top of the processing table 1 is connected to two symmetrically arranged mouth-shaped frames 2 through a mobile driving structure, the inner bottom wall of the mouth-shaped frames 2 is fixedly connected with a lower support plate 24, and the upper part of the lower support plate 24 is provided with an upper pressing plate 25 slidably connected to the inner wall of the mouth-shaped frame 2, and both ends of the upper pressing plate 25 are fixedly connected with a slider 26 with an I-shaped structure in vertical section, and the slider 26 is slidably connected to the slide groove provided on the side wall of the mouth-shaped frame 2;

[0038] It also includes a linkage positioning structure 3, a deformation structure 4 and a positioning structure 5. The linkage positioning structure 3 is installed on the rear side wall of the processing table 1 and is connected to one end of two slide blocks 26 close to the rear side wall of the processing table 1.

[0039] The deformation structures 4 are all installed on the support plate and the upper pressing plate 25 on the same side, and the normalization structures 5 are all installed on the deformation structures 4 .

[0040] Further as Figure 1-6As shown, the mobile driving structure includes sliding seats 21 fixed at the bottom ends of the two mouth-shaped frames 2, the vertical cross-sections of the sliding seats 21 are convex structures, and the sliding seats 21 are slidably connected to the sliding grooves provided at the top of the processing table 1. The two sliding seats 21 are threadedly connected with the same bidirectional lead screw 22, the middle part of the bidirectional lead screw 22 is rotatably connected to the inner side of the processing table 1, and both ends of the bidirectional lead screw 22 are rotatably connected to the inner wall of the sliding groove, one end of the bidirectional lead screw 22 extends to the outside of the processing table 1 and is connected to the output shaft of the motor 23, and the motor 23 is fixed to the outside of the processing table 1.

[0041] Further as Figure 1-6 As shown, the linkage positioning structure 3 includes a transmission column 35 fixed to one end of two sliders 26 near the rear side wall of the processing table 1 away from the upper pressure plate 25, and a transmission plate 32 is movably sleeved on the outer side of the two transmission columns 35. Two symmetrically arranged guide bars 31 are fixed on the front side wall of the transmission plate 32. The cross-section of the guide bars 31 is a convex structure. The guide bars 31 are slidably connected to the guide grooves arranged on the rear side wall of the processing table 1. Two symmetrically arranged hand screws 33 are threadedly connected at the rear side wall of the transmission plate 32 near the bottom end. The ends of the hand screws 33 movably penetrate the guide bars 31 and are tightened on the inner wall of the guide groove. A V-shaped channel 34 is opened on the transmission plate 32. The two end extensions and the middle part of the V-shaped channel 34 are respectively arranged horizontally, and the two ends of the V-shaped channel 34 are respectively movably sleeved on the outer side of the transmission column 35 on the corresponding side.

[0042] The width of the V-shaped channel 34 is equal to the diameter of the two transmission pillars 35 .

[0043] Further as Figure 1-6 As shown, the deformation structure 4 includes concave cavities opened on the side walls opposite to the upper pressure plate 25 and the lower support plate 24, and the concave cavities are rotatably connected with symmetrically arranged clamping plates 42, and the ends of the two clamping plates 42 close to each other are rotatably connected to the concave cavities through the rotating shaft 41, and the outer side of the rotating shaft 41 is movably sleeved with a torsion spring 44, one end of the torsion spring 44 is fixed to the outer side of the clamping plate 42, and the other end is fixed to the inner wall of the concave cavity, and two symmetrically arranged blocking blocks 43 are slidably connected in the same concave cavity, and one corner of the blocking block 43 is set with an inclined surface to block The block 43 is overlapped on the outer side of the clamping plate 42 through the inclined surface, and the ends of the two blocking blocks 43 facing away from the clamping plate 42 are fixedly connected with a moving block 45 with a convex structure in vertical section, and the two moving blocks 45 are slidably connected to the moving groove provided on the inner wall of the concave cavity, and the same bidirectional screw 46 is threadedly connected to the two moving blocks 45, and both ends of the bidirectional screw 46 are rotatably connected to the moving groove, and the movable extension part of one end of the bidirectional screw 46 is fixedly connected with a handle, and the two ends of the concave cavity are provided with a stealth groove 47, which facilitates the movement and hiding of the blocking block 43 on the corresponding side.

[0044] After the two blocking blocks 43 on the lower support plate 24 are moved into the stealth groove 47, the two clamping plates 42 can be parallel to the concave cavity under the action of gravity of the top square steel or mouth-shaped steel. In addition, the bottom ends of the inverted L-shaped clamping blocks 52 provided on the two clamping plates 42 will be lifted up by the outer side of the two-way screw 46, so that the top of the inverted L-shaped clamping block 52 is at the top of the clamping plate 42. Thereafter, by rotating the two-way screw 46 by hand, the two blocking blocks 43 can be forced to move relative to each other, and the two inverted L-shaped clamping blocks 52 can be pushed relative to each other, so that the two inverted L-shaped clamping blocks 52 can clamp the I-shaped steel and the mouth-shaped steel in the correct position, so that the problem of deviation is not easy to occur in the subsequent matching process, which greatly improves the quality of welding.

[0045] Further as Figure 1-6 As shown, the correcting structure 5 includes guide grooves formed on two clamping plates 42 provided in the concave cavity of the lower support plate 24, and guide blocks 51 having an I-shaped structure in vertical cross section are slidably connected in the guide grooves. An inverted L-shaped clamp block 52 is movably inserted on the guide block 51, and the top end of the inverted L-shaped clamp block 52 is in a state of being parallel to the top of the clamping plate 42 in the accompanying drawing.

[0046] An adjustable steel structure clamping construction method comprises the following steps:

[0047] S1: First, according to the shape of the steel structure to be welded, the deformation structure 4 and the positioning structure 5 are used in combination to adjust the shape of the lower support plate 24 and the upper pressure plate 25, so that the clamping structure can be convenient for clamping and fixing square, I-shaped and tubular steel structures;

[0048] S2: Through the setting of the mobile driving structure, the two mouth-shaped frames 2 drive the steel structures they carry to move and align, and actively realize the alignment of the two steel structures relative to one end;

[0049] S3: The linkage positioning structure 3 is used to adjust the initial height of the two upper pressing plates 25. Due to the linkage positioning structure 3, the lowering height of the two upper pressing plates 25 is fixed, thereby being able to clamp and fix steel structures of different sizes.

[0050] Embodiment: When the adjustable steel structure clamping device is used, the linkage positioning structure 3 and the mobile driving structure are set, so that the two mouth-shaped frames 2 can move relative to each other, and the two upper pressing plates 25 can move relative to each other and actively move downward, so as to clamp and fix the two steel structures synchronously. In addition, they can continue to move relative to each other and actively match the two steel structures at one end. However, under the setting of the deformation structure 4, the two clamping plates 42 in each concave cavity can be V-shaped, so as to facilitate the clamping and fixing of tubular steel structures of different sizes. In addition, the initial height of the V-shaped channel 34 can be adjusted in the linkage positioning structure 3, so that the initial height of the upper pressing plate 25 is adjustable, so as to facilitate the active clamping and fixing of tubular steel structures of different sizes, thereby greatly improving the scope of application. However, under the setting of the correcting structure 5 and the deformation structure 4, and in conjunction with the setting of the two blocking blocks 43 and the two stealth grooves 47, the two blocking blocks 43 can be moved into and hidden in the stealth grooves 47, and the tops of the two lower support plates 24 can be convenient for placing the I-shaped steel and the mouth-shaped steel. Under the action of gravity, the two clamping plates 42 will be pressed to be parallel to the concave cavity. In addition, the bottom ends of the inverted L-shaped clamping blocks 52 provided on the two clamping plates 42 will be lifted up by the outer side of the two-way screw 46, so that the top of the inverted L-shaped clamping block 52 is at the top of the clamping plate 42. Thereafter, by rotating the two-way screw 46 by hand, the two blocking blocks 43 can be prompted to move relative to each other, and the two inverted L-shaped clamping blocks 52 can be pushed relative to each other, so that the two inverted L-shaped clamping blocks 52 can clamp the I-shaped steel and the mouth-shaped steel in the correct position, so that the problem of deflection is not easy to occur in the subsequent matching process, which greatly improves the quality of welding.

[0051] Unless otherwise defined, the technical or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "including" or "comprising" and the like used in the present invention mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, but do not exclude other elements or objects. The words "connect" or "connected" and the like are not limited to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable steel structure clamping device, comprising a processing table (1), characterized in that: The top of the processing table (1) is connected to two symmetrically arranged mouth-shaped frames (2) through a mobile driving structure, and the inner bottom wall of the mouth-shaped frame (2) is fixedly connected to a lower support plate (24), and an upper pressure plate (25) slidably connected to the inner wall of the mouth-shaped frame (2) is provided above the lower support plate (24), and sliding blocks (26) with an I-shaped structure in vertical section are fixedly connected to both ends of the upper pressure plate (25), and the sliding blocks (26) are slidably connected to the sliding grooves provided on the side walls of the mouth-shaped frame (2); It also includes a linkage positioning structure (3), a deformation structure (4) and a positioning structure (5), wherein the linkage positioning structure (3) is installed on the rear side wall of the processing table (1) and is connected to one end of two slide blocks (26) close to the rear side wall of the processing table (1); The deformation structures (4) are all installed on the support plate and the upper pressure plate (25) on the same side, and the normalization structures (5) are all installed on the deformation structures (4).

2. The adjustable steel structure clamping device according to claim 1, characterized in that: The mobile driving structure comprises a sliding seat (21) fixed at the bottom ends of the two mouth-shaped frames (2), the vertical cross-section of the sliding seat (21) is a convex structure, and the sliding seat (21) is slidably connected to a sliding groove provided at the top end of the processing table (1).

3. An adjustable steel structure clamping device according to claim 2, characterized in that: The two sliding seats (21) are threadedly connected with a same bidirectional lead screw (22), the middle part of the bidirectional lead screw (22) is rotatably connected to the inner side of the processing table (1), and both ends of the bidirectional lead screw (22) are rotatably connected to the inner wall of the sliding groove, one end of the bidirectional lead screw (22) extends to the outer side of the processing table (1) and is connected to the output shaft of the motor (23), and the motor (23) is fixedly connected to the outer side of the processing table (1).

4. The adjustable steel structure clamping device according to claim 1, characterized in that: The linkage positioning structure (3) comprises transmission columns (35) fixed to one end of two sliding blocks (26) close to the rear side wall of the processing table (1) facing away from the upper pressure plate (25), and transmission plates (32) are movably sleeved on the outer sides of the two transmission columns (35).

5. The adjustable steel structure clamping device according to claim 4, characterized in that: Two symmetrically arranged guide bars (31) are fixedly connected to the front side wall of the transmission plate (32), and the cross-sections of the guide bars (31) are both convex structures. The guide bars (31) are slidably connected to the guide grooves provided on the rear side wall of the processing table (1). Two symmetrically arranged hand screws (33) are threadedly connected near the bottom end of the rear side wall of the transmission plate (32), and the ends of the hand screws (33) movably penetrate the guide bars (31) and are pressed against the inner wall of the guide groove.

6. The adjustable steel structure clamping device according to claim 5, characterized in that: The transmission plate (32) is provided with a V-shaped channel (34), the two end extensions and the middle portion of the V-shaped channel (34) are respectively arranged in a horizontal shape, and the two ends of the V-shaped channel (34) are respectively movably sleeved on the outside of the transmission column (35) on the corresponding side.

7. The adjustable steel structure clamping device according to claim 1, characterized in that: The deformation structure (4) comprises concave cavities opened on the side walls opposite to each other of the upper pressure plate (25) and the lower support plate (24), and symmetrically arranged clamping plates (42) are rotatably connected in the concave cavities. The adjacent ends of the two clamping plates (42) are rotatably connected in the concave cavities through a rotating shaft (41), and a torsion spring (44) is movably sleeved on the outer side of the rotating shaft (41), and one end of the torsion spring (44) is fixedly connected to the outer side of the clamping plate (42), and the other end is fixedly connected to the inner wall of the concave cavity.

8. The adjustable steel structure clamping device according to claim 7, characterized in that: Two symmetrically arranged blocking blocks (43) are slidably connected in the same concave cavity. A corner of the blocking block (43) is arranged in an inclined surface. The blocking block (43) is overlapped on the outer side of the clamping plate (42) through the inclined surface. The ends of the two blocking blocks (43) facing away from the clamping plate (42) are fixedly connected with a moving block (45) with a convex structure in vertical section. The two moving blocks (45) are slidably connected to a moving groove arranged on the inner wall of the concave cavity. The two moving blocks (45) are threadedly connected with the same bidirectional screw (46). Both ends of the bidirectional screw (46) are rotatably connected to the moving groove. A handle is fixedly connected to the movable extension part at one end of the bidirectional screw (46). Both ends of the concave cavity are provided with a stealth groove (47). The stealth groove (47) is convenient for moving and hiding the blocking block (43) on the corresponding side.

9. The adjustable steel structure clamping device according to claim 8, characterized in that: The alignment structure (5) comprises guide grooves formed on two clamping plates (42) disposed in the concave cavity of the lower support plate (24), guide blocks (51) having an I-shaped structure in vertical cross-section being slidably connected in the guide grooves, and inverted L-shaped clamp blocks (52) being movably inserted in the guide blocks (51).

10. An adjustable steel structure clamping construction method, characterized in that: The following steps are involved: S1: First, according to the shape of the steel structure to be welded, the deformation structure (4) and the positioning structure (5) are used in combination to adjust the shape of the lower support plate (24) and the upper pressure plate (25), so that the clamping structure can be convenient for clamping and fixing square, I-shaped and tubular steel structures; S2: Through the setting of the mobile driving structure, the two mouth-shaped frames (2) drive the steel structures they carry to move and align, and actively realize the alignment of the two steel structures towards one end; S3: By setting the linkage positioning structure (3), the initial height of the two upper pressing plates (25) can be adjusted. Due to the setting of the linkage positioning structure (3), the lowering height of the two upper pressing plates (25) is fixed, thereby being able to meet the requirements of clamping and fixing steel structures of different sizes.

Images