CN219711036U - Self-holding device for steel structure pre-assembled joint - Google Patents
Self-holding device for steel structure pre-assembled joint Download PDFInfo
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- CN219711036U CN219711036U CN202320369911.6U CN202320369911U CN219711036U CN 219711036 U CN219711036 U CN 219711036U CN 202320369911 U CN202320369911 U CN 202320369911U CN 219711036 U CN219711036 U CN 219711036U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 103
- 239000010959 steel Substances 0.000 title claims abstract description 103
- 239000002131 composite material Substances 0.000 claims description 14
- 238000010276 construction Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 13
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000036544 posture Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of steel structure assembly, and particularly relates to a self-holding device of a steel structure pre-assembled joint. The device comprises a cross frame, wherein the cross rod ends of the cross frame are respectively provided with a self-holding clamping plate, the middle parts of the cross rods of the cross frame are respectively provided with a positioning bolt, the cross rods of the cross frame between the positioning bolts and the self-holding clamping plates are respectively provided with a positioning slide block, the positioning slide blocks are perpendicular to the cross rods of the cross frame and are provided with longitudinal positioning bolts, the positioning slide blocks are parallel to the cross rods of the cross frame and are provided with clamping bolts, one ends of the clamping bolts are movably connected with the positioning slide blocks, and the other ends of the clamping bolts are fixedly connected with the self-holding clamping plates. According to the utility model, the flange mounting posture is adjusted through the positioning slide block and the positioning bolt, and a stable working platform is provided through the self-holding clamping plate; the device adopts the form of recess constraint and bolt support to treat the mounting flange to fix temporarily, can avoid welding and the deformation that the cutting caused for the segmental connection is inseparabler and reliable.
Description
Technical Field
The utility model belongs to the technical field of steel structure assembly, and particularly relates to a self-holding device of a steel structure pre-assembled joint.
Background
The manufacture of large steel structures is limited by transportation and installation conditions, and the assembly is often required to be completed on site, and the assembly on site is required to meet higher precision requirements. For example, steel pipe segments are often connected in the form of bolting an inner flange plate and externally embedding and welding the pipe, because the flanges are installed independently of the assembly of the steel pipes, the relative postures of the flanges and the steel pipes and the relative postures of adjacent flanges must be matched in pairs, so that the smooth connection of the segments can be ensured.
The prior installation method is that the pipe orifices of adjacent sections are arranged according to the design interval, the welding of the former section of flange is finished according to the design lofting position, the later section of flange to be installed is firstly clung to the installed flange for spot welding, the welding of the rib plates of the flange plate is finished in the temporary fixed state, and then the spot welding connection part is cut off, so that the primary flange matching installation is finished. The existing installation method has the following problems in the actual operation process: the lifting and adjusting of the segments are time-consuming and labor-consuming; (2) The reference section additionally occupies an assembly site, and the construction progress is dragged slowly; (3) Spot welding and cutting may result in welding distortion that affects the close fit of the flange between segments.
Disclosure of Invention
Aiming at the problems, the utility model aims to provide a self-holding device of a steel structure preassembled joint, which adjusts the mounting posture of a flange through a positioning sliding block and a positioning bolt and provides a stable working platform through the design of a self-holding clamping plate; the device adopts the form of recess constraint and bolt support to treat the mounting flange to fix temporarily, can avoid welding and the deformation that the cutting caused for the segmental connection is inseparabler and reliable.
The technical scheme of the utility model is as follows: the utility model provides a steel construction is assembled in advance and is connected from holding device, includes the cross frame, the cross rod end of cross frame is equipped with respectively from holding splint, but the cross rod middle part of cross frame is equipped with the positioning bolt respectively, the positioning bolt with be equipped with the location slider on the cross rod of cross frame between the self holding splint, the location slider perpendicular to be equipped with vertical positioning bolt in the cross rod direction of cross frame, the location slider is on a parallel with be equipped with the screens bolt in the cross rod direction of cross frame, screens bolt one end with but location slider swing joint, the other end with from holding splint fixed connection.
The cross frame comprises two steel pipes with the same length, the two steel pipes are vertically arranged, and a frame center bolt is arranged at the joint of the centers of the two steel pipes.
The steel pipes comprise a first section of steel pipe, a second section of steel pipe and a seventh section of steel pipe … of a third section of steel pipe, seven sections of steel pipes are welded together, the thickness of the steel pipe of the odd section is larger than that of the steel pipe of the even section, and threads are arranged on the surface of the steel pipe of the odd section.
The locating slide block is L-shaped, the cross rod of the cross frame vertically penetrates through one side of the L-shaped long side of the locating slide block, a nut is arranged at the contact position of the cross rod of the cross frame and the L-shaped long side of the locating slide block, a groove is formed in the locating slide block on one side, close to the short side, of the nut, and a longitudinal locating bolt is arranged on one side, close to the short side, of the L-shaped short side of the locating slide block.
The self-holding clamping plate is concave and comprises two composite plates with the same shape and size and a plurality of fixing bolts, the composite plates are of a double-layer structure and comprise steel layers and rubber layers, the steel layers are rectangular straight steel plates, the rubber layers are of double-layer ladder-shaped structures, and the fixing bolts penetrate through one thicker side of each composite plate rubber layer of the corresponding double-layer ladder-shaped structure respectively to fixedly connect the two composite plates.
The positioning bolt is a screw rod with a rounded end.
The utility model has the technical effects that: 1. according to the utility model, the flange installation posture is adjusted through the positioning sliding block and the positioning bolt, and a stable working platform is provided through the self-holding clamping plate design. 2. The flange to be installed is temporarily fixed in a groove constraint and bolt support mode, deformation caused by welding and cutting can be avoided, and the segment connection is tighter and more reliable. 3. The self-holding clamp plate adopts a double-layer composite plate structure, the inner rubber layer adopts a double-layer ladder-shaped structure, and the rubber layer can be detached and replaced, so that the self-holding clamp plate can adapt to holding of different pipe orifice wall thicknesses and arc pipe orifices.
Further description will be made below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram of a self-holding device for a steel structure preassembled joint according to an embodiment of the utility model.
Fig. 2 is a schematic diagram of a self-holding clamping plate and a to-be-mounted end of a self-holding device for a steel structure preassembled joint according to an embodiment of the utility model.
Fig. 3 is a schematic diagram illustrating cross frame assembly of a self-holding device for a steel structure preassembled joint according to an embodiment of the present utility model.
Fig. 4 is a schematic diagram of a connection between a self-holding device and an end to be mounted of a steel structure preassembled joint according to an embodiment of the present utility model.
Fig. 5 is an adjusting and fixing schematic diagram of a steel structure preassembled joint self-holding device according to an embodiment of the utility model.
Fig. 6 is a flange mounting schematic diagram of a steel structure preassembled joint self-holding device according to an embodiment of the utility model.
Reference numerals: 1-self-holding a splint; 2-a cross frame; 3-positioning a sliding block; 4-positioning bolts; 5-clamping bolts; 6-a frame center bolt; 7-a nut; 8-a longitudinal positioning bolt; 9-a connecting end to be installed; 10-a flange to be mounted; 11-flange rib plates to be installed.
Description of the embodiments
Embodiment 1 As shown in figure 1, the self-holding device of the steel structure preassembled joint comprises a cross frame 2, wherein self-holding clamping plates 1 are respectively arranged at the end parts of cross rods of the cross frame 2, positioning bolts 4 are respectively arranged at the middle parts of the cross rods of the cross frame 2, positioning sliding blocks 3 are arranged on cross rods of the cross frame 2 between the positioning bolts 4 and the self-holding clamping plates 1, longitudinal positioning bolts 8 are arranged on the positioning sliding blocks 3 in the direction perpendicular to the cross rods of the cross frame 2, clamping bolts 5 are arranged on the positioning sliding blocks 3 in the direction parallel to the cross rods of the cross frame 2, one ends of the clamping bolts 5 are movably connected with the positioning sliding blocks 3, and the other ends of the clamping bolts 5 are fixedly connected with the self-holding clamping plates 1.
According to the utility model, the self-holding clamping plate 1 is fixed at the design position of the connecting end to be installed, then the cross frame 2, the positioning sliding block 3 and the corresponding nuts 7 are installed, the positioning sliding block 3 and the corresponding nuts 7 are sequentially installed on the cross frame 2, then the steel pipe of the cross frame 2 is inserted into the reserved hole position of the self-holding clamping plate 1 to finish the fixed connection, the center bolt 6 of the frame is screwed in the crossed center of the steel pipe, the positioning bolt 4 penetrates through the cross frame 2 to finish the assembly of the device, after the device is assembled, the virtual assembly simulation is required to be carried out according to actual measurement data to obtain lofting parameters, then the flange 10 to be installed is placed in a preset groove of the positioning sliding block 3, the longitudinal position of the flange 10 to be installed and the inclination angle of the pipe orifice direction to be held are adjusted through adjusting the telescopic length of the positioning bolt 4, the longitudinal positioning bolt 8 is screwed to tightly jack the corresponding nuts 7 of the rest positioning sliding block 3, and finally the welding of the rib plate 11 of the flange to be installed is finished, and the device is dismantled.
Embodiment 2 in this embodiment, preferably, the cross frame 2 includes two steel pipes with the same length, the two steel pipes are vertically arranged, and a frame center bolt 6 is disposed at a joint of centers of the two steel pipes.
The cross frame 2 comprises two steel pipes with the same length, the two steel pipes are vertically arranged, a frame center bolt 6 is arranged at the joint of the centers of the two steel pipes, the frame center bolt 6 is convenient for disassembling and assembling the cross frame 2, and the cross frame 2 can be disassembled when not in use, so that the storage space is saved.
In embodiment 3, on the basis of embodiment 2, preferably, the steel pipes include a first section of steel pipe, a second section of steel pipe, a third section of steel pipe … and a seventh section of steel pipe, seven sections of steel pipes are welded together, the thickness of the steel pipe of the odd section is greater than that of the steel pipe of the even section, and threads are arranged on the surface of the steel pipe of the odd section.
The steel pipes comprise a first section of steel pipe, a second section of steel pipe and a seventh section of steel pipe … of a third section of steel pipe, seven sections of steel pipes are welded together, the thickness of the steel pipe of an odd section is larger than that of the steel pipe of an even section, different clamping positions are formed, and threads are arranged on the surface of the steel pipe of the odd section for the fastening clamping positions of nuts 7.
In the embodiment 4, on the basis of embodiment 1 or embodiment 2, preferably, the positioning slide block 3 is L-shaped, the cross rod of the cross frame 2 vertically passes through one side of the long side of the L-shaped positioning slide block 3, a nut 7 is arranged at the contact position of the cross rod of the cross frame 2 and the long side of the L-shaped positioning slide block 3, a groove is arranged on the positioning slide block 3 at one side of the nut 7 close to the short side, and a longitudinal positioning bolt 8 is arranged at one side of the short side of the L-shaped positioning slide block 3.
According to the utility model, the positioning slide block 3 is L-shaped, the cross rod of the cross frame 2 vertically penetrates through one side of the L-shaped long side of the positioning slide block 3, a nut 7 is arranged at the contact position of the cross rod of the cross frame 2 and the L-shaped long side of the positioning slide block 3, a groove is arranged on the positioning slide block 3 at one side of the nut 7 close to the short side, and a longitudinal positioning bolt 8 is arranged at one side of the L-shaped short side of the positioning slide block 3. The positioning slide block 3 is a steel special-shaped block piece, and the radial position of the flange 10 to be installed can be adjusted by sliding on a cross rod rail of the cross frame 2.
In the embodiment 5, on the basis of embodiment 1 or embodiment 4, preferably, the self-holding clamping plate 1 is concave and comprises two composite plates with the same shape and size and a plurality of fixing bolts, the composite plates are of a double-layer structure and comprise steel layers and rubber layers, the steel layers are rectangular straight steel plates, the rubber layers are of double-layer stepped structures, and the two composite plates are fixedly connected by the plurality of fixing bolts respectively penetrating through one thicker side of the double-layer stepped structure of the composite plate rubber layer.
The self-holding splint 1 adopts a double-layer composite plate structure, the external steel layer ensures the structural rigidity of the self-holding splint 1, the internal rubber layer adopts a double-layer ladder-shaped structure, and the rubber layer can be detached and replaced, so that the self-holding splint is suitable for holding different pipe orifice wall thicknesses and arc pipe orifices.
Embodiment 6 in this embodiment, on the basis of embodiment 1 or embodiment 5, preferably, the positioning bolt 4 is a screw with rounded ends.
The positioning bolt 4 is a screw rod with a rounded end, and the screw rod is arranged on a steel pipe of the cross frame and is used for adjusting the longitudinal position of the flange 10 to be installed.
The actual use process of the utility model is as follows:
as shown in fig. 2, for easy installation, firstly, two groups of self-holding splints 1 below the horizontal center line of the connecting end face 9 to be installed are fixed at the designed position, and after the cross frame 2, the positioning sliding block 3 and the corresponding nuts 7 are installed, the two groups of self-holding splints 1 above the horizontal center line are fixedly installed;
as shown in fig. 3 to 4, for convenient installation, before two groups of self-holding splints 1 above the horizontal center line of the connecting end 9 to be installed are installed, the positioning sliding blocks 3 and the corresponding nuts 7 are required to be installed on the cross frame 2 in sequence, then the steel pipes of the cross frame 2 are inserted into reserved hole sites of the self-holding splints 1 to complete fixed connection, and the center bolts 6 of the frame are screwed in the cross center of the crossing of the steel pipes to complete fastening installation of the rest self-holding splints 1;
as shown in fig. 5, the positioning bolts 4 penetrate through corresponding punching positions of the cross frame 2 to complete the assembly of the device, virtual assembly simulation is required to be performed according to measured data after the device is assembled, lofting parameters of the flange 10 to be installed are finally obtained, the flange 10 to be installed is placed into a preset groove of the positioning slide block 3, the device adjusts the position of the positioning slide block 3 and the telescopic size of the positioning bolts 4 according to the provided lofting parameters and is screwed down respectively, and finally the lofting parameter requirements are met;
as shown in fig. 6, after the device is lofted in place, the longitudinal positioning bolts 8 are screwed to tightly prop up the flange 10 to be mounted, the corresponding nuts 7 of the residual positioning sliding blocks 3 are screwed, final measurement and check of lofting parameters are carried out before welding and mounting, welding of rib plates 11 of the flange to be mounted is completed after calibration is completed, and finally the device is dismantled.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (6)
1. The utility model provides a steel construction preassembly connects from holding device which characterized in that: including cross frame (2), the cross rod end of cross frame (2) is equipped with respectively from holding splint (1), but the cross rod middle part of cross frame (2) is equipped with positioning bolt (4) respectively, positioning bolt (4) with but be equipped with location slider (3) on the cross rod of cross frame (2) between holding splint (1), location slider (3) perpendicular to be equipped with vertical positioning bolt (8) in the cross rod direction of cross frame (2), location slider (3) are on a parallel with be equipped with screens bolt (5) in the cross rod direction of cross frame (2), screens bolt (5) one end with but location slider (3) swing joint, the other end with from holding splint (1) fixed connection.
2. The steel structure preassembled joint self-holding device according to claim 1, wherein: the cross frame (2) comprises two steel pipes with the same length, the two steel pipes are vertically arranged, and a frame center bolt (6) is arranged at the joint of the centers of the two steel pipes.
3. The steel structure preassembled joint self-holding device according to claim 2, wherein: the steel pipes comprise a first section of steel pipe, a second section of steel pipe, a third section of steel pipe, a fourth section of steel pipe, a fifth section of steel pipe, a sixth section of steel pipe and a seventh section of steel pipe, seven sections of steel pipes are welded together, the thickness of the steel pipes of the first section of steel pipe, the third section of steel pipe, the fifth section of steel pipe and the seventh section of steel pipe is larger than that of the steel pipes of the second section of steel pipe, the fourth section of steel pipe and the sixth section of steel pipe, and threads are arranged on the surfaces of the steel pipes of the first section of steel pipe, the third section of steel pipe, the fifth section of steel pipe and the seventh section of steel pipe.
4. The steel structure preassembled joint self-holding device according to claim 1, wherein: the locating slide block (3) is L-shaped, the cross rod of the cross frame (2) vertically penetrates through one side of the L-shaped long side of the locating slide block (3), a nut (7) is arranged at the contact position of the cross rod of the cross frame (2) and the L-shaped long side of the locating slide block (3), a groove is formed in the locating slide block (3) at one side, close to the short side, of the nut (7), and a longitudinal locating bolt (8) is arranged on one side of the L-shaped short side of the locating slide block (3).
5. The steel structure preassembled joint self-holding device according to claim 1, wherein: the self-holding clamping plate (1) is concave and comprises two composite plates with the same shape and size and a plurality of fixing bolts, the composite plates are of a double-layer structure and comprise steel layers and rubber layers, the steel layers are rectangular straight steel plates, the rubber layers are of double-layer ladder-shaped structures, and the fixing bolts penetrate through one thicker side of each composite plate rubber layer of the double-layer ladder-shaped structure respectively to fixedly connect the two composite plates.
6. The steel structure preassembled joint self-holding device according to claim 1, wherein: the positioning bolt (4) is a screw rod with a rounded end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320369911.6U CN219711036U (en) | 2023-03-02 | 2023-03-02 | Self-holding device for steel structure pre-assembled joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320369911.6U CN219711036U (en) | 2023-03-02 | 2023-03-02 | Self-holding device for steel structure pre-assembled joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219711036U true CN219711036U (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320369911.6U Active CN219711036U (en) | 2023-03-02 | 2023-03-02 | Self-holding device for steel structure pre-assembled joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219711036U (en) |
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- 2023-03-02 CN CN202320369911.6U patent/CN219711036U/en active Active
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