CN218893957U

CN218893957U - Temporary supporting and fixing device for butt joint of steel beams

Info

Publication number: CN218893957U
Application number: CN202222839113.3U
Authority: CN
Inventors: 吴树全; 盛其林; ***; 李宗文; 周凯; 何书; 赵俊
Original assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ No 3 Engineering Co Ltd
Current assignee: China Railway Guangzhou Engineering Group Co Ltd CRECGZ; CRECGZ No 3 Engineering Co Ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-04-21
Anticipated expiration: 2032-10-25

Abstract

The application relates to a girder steel butt joint temporary support fixing device relates to the steel construction field, and it includes the support frame, sets up the installation mechanism on the support frame, and installation mechanism includes the platform board, sets up the protection component on the platform board, and the protection component includes the installing frame and encloses the protection network of locating outside the installing frame, and the installing frame is installed on the platform board. The installation of protection network and installing frame reduces effectively that instrument or part in the hand of on the platform board or staff in the butt joint process drops, and then smash the probability that the scene staff circumstances took place to the security of girder steel butt joint in-process construction has effectively been improved.

Description

Temporary supporting and fixing device for butt joint of steel beams

Technical Field

The application relates to the field of steel structure construction, in particular to a temporary supporting and fixing device for steel beam butt joint.

Background

Steel structures are structures composed of steel materials, and are one of the main types of building structures. The structure mainly comprises steel beams, steel columns, steel trusses and other components made of section steel, steel plates and the like, and rust removal and prevention processes such as silanization, pure manganese phosphating, washing, drying, galvanization and the like are adopted. The components or parts are typically joined by welds, bolts or rivets. Because the self weight of the bridge is light, and the construction is simple, the bridge is widely applied to the fields of large-scale factory buildings, venues, super high-rise and the like, and particularly, the bridge is basically butted by steel beams in large-span bridges to be used as a temporary support and fixing structure for construction.

The temporary supporting structure for butt joint of the steel beams is usually formed by welding a plurality of upright posts and cross beams to form a temporary supporting frame, the platform plate is welded on the supporting frame, workers are required to stand on the platform plate, and the steel beams are connected by using code plates, bolts and the like. In the process of butt joint of steel beams, the phenomenon that parts or tools fall off on a platform plate or due to manual sliding of staff is frequent.

With respect to the related art described above, the inventors consider that tools in the hands of workers on a platform plate or during the steel beam docking process are likely to injure workers in the field once they are dropped.

Disclosure of Invention

In order to solve the problem that construction tools or parts fall down to cause staff injury in the steel beam butt joint process, the application provides a steel beam butt joint temporary support fixing device.

The application provides a girder steel butt joint temporary support fixing device adopts following technical scheme:

the utility model provides a girder steel butt joint temporary support fixing device, includes the support frame, set up in installation mechanism on the support frame, installation mechanism include the platform board with set up in protection component on the platform board, protection component includes the installing frame and encloses to locate the protection network outside the installing frame, the installing frame install in on the platform board.

By adopting the technical scheme, the supporting frame is positioned at the bottom end of the steel beam and is used for temporarily supporting the steel beam to be butted; the platform board is a platform on which workers stand in the process of butt-jointing steel beams, the installation frame is used for installing the protective net, the protective net is arranged on the periphery of the installation frame in a surrounding mode, and therefore the probability that construction tools or parts fall down to cause personal injury to the ground constructors in the steel beam butt-jointing process can be effectively reduced.

Optionally, the mounting frame comprises four connecting posts; the bottom of spliced pole is provided with the adapter tube, four corners that platform board kept away from ground one side all are provided with the spliced pole, the spliced pole can be inserted and locate in the adapter tube.

Through adopting above-mentioned technical scheme, install in the adapter tube through the spliced pole and realize the spliced pole and be connected with the platform board, namely installation frame fixed connection and platform board. Meanwhile, the connecting mode is simple and detachable, and is beneficial to the disassembly and recycling of the subsequent mounting frame.

Optionally, the periphery of the bottom end of the socket pipe is provided with a reinforcing plate, a first mounting hole is formed in the reinforcing plate, a second mounting hole is formed in the platform plate, when the plug-in column is installed in the socket pipe, the first mounting hole and the second mounting hole are vertically aligned, and a plug pin is inserted into the first mounting hole and the second mounting hole.

Through adopting above-mentioned technical scheme, the bolt will consolidate board fixed connection on the platform board for the connection of installing frame and platform board is more firm, and through the cooperation of bolt and first mounting hole and second mounting hole, makes to connect and dismantle very portably, and then improves the installation rate of installing frame.

Optionally, the guard bar is installed at the installing frame top, guard bar end to end forms the rail guard, the bottom of four corners of rail guard all be provided with install in install the post on the spliced pole, the confession has all been seted up on the spliced pole top the mounting groove of install the post installation.

Through adopting above-mentioned technical scheme, through installing the bottom with the erection column in the mounting groove, realize the rail guard and be connected with the spliced pole, the risk that the staff dropped from the platform board can be reduced effectively in the setting up of rail guard, and then has improved the construction security, and in addition, this mounting means is simple, improves installation effectiveness.

Optionally, the protection rod includes first connecting portion, adjustment portion and second connecting portion, first connecting portion with adjustment portion sliding connection, second connecting portion with adjustment portion sliding connection.

Through adopting above-mentioned technical scheme, but first connecting portion and second connecting portion relative regulation portion slip, make things convenient for the installation of rail guard, in addition, but through the size of sliding first connecting portion and second installation department regulation rail guard, and then make the rail guard available to different platform boards.

Optionally, the spout has been seted up in the middle of the regulation portion, first connecting portion with the inside cavity of second connecting portion, first connecting portion is close to the one end of regulation portion is provided with first snap ring, second connecting portion is close to the one end of regulation portion is provided with the second snap ring, first snap ring with the second snap ring all can block and locate the both ends of spout.

Through adopting above-mentioned technical scheme, first connecting portion and the inside cavity of second connecting portion, and then realize that first connecting portion and second installation department can slide relative adjustment portion. Simultaneously, both ends that first snap ring and second snap ring all can block the spout prevent effectively that first connecting portion and second connecting plate from breaking away from adjusting part, have guaranteed the stable connection of rail guard.

Optionally, the protection network both ends pass through clamp connection in on the spliced pole, the protection network bottom with the adapter tube bottom parallel and level.

Through adopting above-mentioned technical scheme, form round protection network in the spliced pole periphery, protection network bottom flushes with the adapter tube bottom, reduces the distance between protection network bottom and the platform board as far as possible, and then effectively reduces the probability that instrument or part dropped from the platform board, and then improves the security of girder steel butt joint effectively.

Optionally, the supporting frame comprises upright posts, cross beams and supporting columns, the four upright posts are arranged in a rectangular array, connecting rods are arranged between the adjacent upright posts, the cross beams are arranged at the top ends of the two upright posts connected by the same connecting rod, the arrangement direction of the cross beams is perpendicular to the length direction of the steel beams, and the supporting columns are arranged at the top ends of the cross beams; an inclined stay bar is obliquely arranged between the two upright posts, and an inclined stay bar is obliquely arranged between the two upright posts.

Through adopting above-mentioned technical scheme, the connecting rod is with the stand two by two connection, stand, connecting rod, support column and crossbeam constitute basic support frame, and the diagonal brace sets up, prevents effectively that two stands from taking place to warp to the direction that is close to each other, and then has further improved the stability of support frame.

Optionally, both ends of the beam are provided with spacing posts, and the spacing posts are clamped on both sides of the steel beam.

Through adopting above-mentioned technical scheme, spacing post restriction girder steel skew takes place, and then makes the girder steel more stable.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the connecting columns and the protective net can effectively reduce the probability that tools or parts on the platform plate fall and injure workers, thereby improving the safety of steel beam butt joint construction;

2. the arrangement of the guard rail can effectively reduce the probability of falling off and even falling injury of workers from the platform plate in the steel beam butt joint process;

3. the first connecting portion of guard bar, adjustment portion and second installation department set up, through adjusting the position of first installation department and second installation department on adjustment portion, not only make things convenient for the rail guard to install on the spliced pole, moreover, the size of rail guard is adjustable, and the rail guard can be used to the landing board of equidimension not.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of a partial explosion to highlight the manner in which the protective assembly is attached to the platform plate;

FIG. 3 is a schematic view of a partial explosion to highlight the manner in which the guard rail is attached to the mounting frame;

fig. 4 is a cross-sectional view for highlighting the guard bar structure.

Reference numerals illustrate: 1. a support frame; 11. a column; 12. a connecting rod; 13. a limit column; 14. a diagonal brace; 15. a cross beam; 16. a support column; 2. a mounting mechanism; 21. a platform plate; 22. a protective assembly; 221. a connecting column; 2211. a mounting groove; 222. a protective net; 223. a mounting frame; 224. a plug-in column; 225. a socket pipe; 226. a reinforcing plate; 2261. a first mounting hole; 227. a second mounting hole; 228. a plug pin; 2281. a pressing plate; 3. a steel beam; 4. a clamp; 5. a guard rail; 51. a protective rod; 511. a first connection portion; 5111. a first snap ring; 512. an adjusting section; 5121. a chute; 513. a second connecting portion; 5131. a second snap ring; 52. and (5) mounting a column.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses a girder steel butt joint temporary support fixing device.

Referring to fig. 1, a steel beam butt joint temporary support fixing device comprises a support frame 1, a mounting mechanism 2 mounted on the support frame 1 and a steel beam 3. The support frame 1 is arranged at the bottom end of the steel beam 3 and used for temporarily supporting and fixing the steel beam 3; the mounting mechanism 2 includes a platform plate 21 and a protection assembly 22, the platform plate 21 is a platform on which a worker stands in the process of abutting the steel beam 3, and the protection assembly 22 is mounted on the platform plate 21 for preventing a construction tool or a part on the platform plate 21 or in a construction hand of the worker from falling, or even injuring the worker on the ground by a smash.

The support frame 1 comprises upright posts 11, connecting rods 12, diagonal braces 14 and cross beams 15, wherein the upright posts 11 are vertically arranged in a rectangular array, two adjacent upright posts 11 are fixedly connected through horizontal connecting rods 12, and the end parts of the connecting rods 12 are usually fixedly connected with the upright posts 11 through welding. The beam 15 is welded on the top ends of the two upright posts 11 connected by the same connecting rod 12, and the beam 15 is arranged in a manner perpendicular to the length direction of the steel beam 3. The diagonal brace 14 is welded between two adjacent upright posts 11, and the diagonal brace 14 is obliquely arranged between the two upright posts 11, so that the two upright posts 11 are effectively prevented from deforming in the direction close to each other, and the stability of the temporary supporting and fixing device for the butt joint of the steel beam 3 is further improved. And a support column 16 is welded at one end of the steel beam 3, which is away from the ground, and the top end of the support column 16 is directly welded and fixed with the bottom surface of the steel beam 3. The number of the upright posts 11 and the support columns 16 can be set according to the width of the steel beam 3, eight upright posts 11 are arranged on the support frame 1 of the embodiment, and three support columns 16 are welded on each cross beam 15. Limiting columns 13 are arranged on two sides of the length direction of the cross beam 15, and the steel beam 3 is clamped between the two limiting columns 13, so that the steel beam 3 is effectively prevented from being displaced in the horizontal direction.

Referring to fig. 1 and 2, the platform plate 21 is welded to the four posts 11, and the height of the platform plate 21 is adapted to the specific docking process of the worker. The protection assembly 22 includes four connection posts 221 and a protection net 222, the four connection posts 221 are vertically installed at four corners of one side of the platform plate 21 far away from the ground, and the four connection posts 221 constitute an installation frame 223. The four corners of the side, far away from the ground, of the platform plate 21 are welded with the plug-in columns 224, the bottom ends of the connecting columns 221 are provided with the connecting pipes 225, the connecting pipes 225 are hollow, the plug-in columns 224 are inserted into the connecting pipes 225, the outer walls of the plug-in columns 224 are abutted against the inner walls of the connecting pipes 225, the connecting columns 221 are fixedly installed on the platform plate 21 through the installation of the plug-in columns 224 in the connecting pipes 225, and the connecting mode is very simple, so that the installation speed of the installation frame 223 is effectively improved. A reinforcing plate 226 is provided at the bottom end of the socket pipe 225. The reinforcing plate 226 is provided with a first mounting hole 2261, the position, close to the plug-in column 224, on the platform plate 21 is provided with a second mounting hole 227, when the plug-in column 224 is mounted in the bearing tube 225, the first mounting hole 2261 and the second mounting hole 227 are vertically aligned, at this time, a bolt 228 can be inserted into the first mounting hole 2261 and the second mounting hole 227, the top end of the bolt 228 is provided with a pressing plate 2281 through casting integrated into a whole, and the ground of the pressing plate 2281 is abutted against the top surface of the platform plate 21. The arrangement of the first mounting holes 2261, the second mounting holes 227 and the bolts 228 effectively improves the stability of connection between the mounting frame 223 and the platform plate 21, and the outer wall of the bolts 228 is abutted with the hole walls of the first mounting holes 2261 and the second mounting holes 227, so that the mounting frame 223 is effectively prevented from shaking left and right on the platform plate 21. The socket pipe 225, the connection post 221, and the reinforcement plate 226 are integrally formed by casting.

The protection net 222 is a rectangular steel wire net and is arranged on the periphery of the mounting frame 223 in a surrounding mode, two sections of the protection net 222 are abutted to each other and are close to one connecting column 221, the clamp 4 penetrates through the two sections of the protection net 222 and is fixed on the connecting column 221 close to the section of the protection net 222, the two sections of the protection net 222 are fixedly connected, and meanwhile the protection net 222 is mounted on the mounting frame 223. The bottom end of the protective net 222 is flush with the bottom end of the adaptor 225, so that gaps between the protective net 222 and the platform plate 21 are reduced, and further, construction tools or parts are prevented from falling from the gaps between the protective net 222 and the platform plate 21, and even workers on the site are injured by crashes.

Referring to fig. 2 and 3, the guard rail 5 is installed at the top of the installation frame 223, the guard rail 5 is formed by welding four guard bars 51 end to end, and the arrangement of the guard rail 5 effectively reduces the falling probability of workers from the platform plate 21, so that the safety of the butt joint construction process of the steel beam 3 is improved. The mounting posts 52 are welded at the bottom ends of the four corners of the guard rail 5, the mounting grooves 2211 are formed in the top ends of the connecting posts 221, the mounting posts 52 are mounted in the mounting grooves 2211, the guard rail 5 and the mounting frame 223 are fixedly connected, and the connecting mode is simple and quick, so that the mounting efficiency of the guard rail 5 is effectively improved.

The protection lever 51 includes a first connection portion 511, an adjustment portion 512, and a second connection portion 513, the first connection portion 511 is slidably connected to the adjustment portion 512, and the second connection portion 513 is slidably connected to the adjustment portion 512. The specific connection mode is as follows: a sliding groove 5121 is formed in the middle of the adjusting portion 512, the first connecting portion 511 and the second connecting portion 513 are hollow, and when the first connecting portion 511 and the second connecting portion 513 slide on the adjusting portion 512, both ends of the adjusting portion 512 can be respectively embedded in the first connecting portion 511 and the second mounting portion. The first clamping ring 5111 is integrally formed at one end of the first connecting portion 511, which is close to the second mounting portion, the second clamping ring 5131 is integrally formed at one end of the second mounting portion, which is close to the first connecting portion 511, and the first clamping ring 5111 and the second clamping ring 5131 can be clamped at two ends of the sliding groove 5121, so that the first clamping ring 5111 and the second clamping ring 5131 can be effectively prevented from sliding on the adjusting portion 512 to be separated from the adjusting portion 512. By providing the protection rod 51 as the first connection portion 511, the adjustment portion 512, and the second installation portion, the length of the protection rod 51 can be changed by sliding the first connection portion 511 and the second installation portion, which is advantageous for installing the protection rod 5 in the installation frame 223, and adjusting the protection rod 5 according to the size of the different platform boards 21 in different construction environments (refer to fig. 1).

The implementation principle of the temporary supporting and fixing device for the butt joint of the steel beams is as follows: when the steel beams 3 are butted, the installed supporting frame 1 is installed below the steel beams 3, a worker stands on the platform plate 21, two steel beams 3 are butted, the installation frame 223 is vertically installed on the platform plate 21, and the protection net 222 is arranged around the installation frame 223. The protection network 222 and the mounting frame 223 are mounted, so that the probability that tools or parts on the platform plate 21 or in hands of workers in the butt joint process fall down and further the workers in the spot are injured is effectively reduced, and the construction safety of the steel beam 3 in the butt joint process is effectively improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a girder steel butt joint temporary support fixing device which characterized in that: including support frame (1), set up in installation mechanism (2) on support frame (1), installation mechanism (2) include platform board (21) with set up in protection component (22) on platform board (21), protection component (22) include installing frame (223) and enclose locate protection network (222) outside installing frame (223), installing frame (223) install in on platform board (21).

2. The steel beam butt joint temporary support fixing device according to claim 1, wherein: the mounting frame (223) comprises four connecting posts (221); the bottom of spliced pole (221) is provided with adapter tube (225), four corners that platform board (21) kept away from ground one side all are provided with spliced pole (224), spliced pole (224) can insert and locate in adapter tube (225).

3. The steel beam butt joint temporary support fixing device according to claim 2, wherein: the periphery of the bottom end of the joint pipe (225) is provided with a reinforcing plate (226), a first mounting hole (2261) is formed in the reinforcing plate (226), a second mounting hole (227) is formed in the platform plate (21), when the plug-in column (224) is installed in the joint pipe (225), the first mounting hole (2261) and the second mounting hole (227) are vertically aligned, and a bolt (228) is inserted in the first mounting hole (2261) and the second mounting hole (227).

4. The steel beam butt joint temporary support fixing device according to claim 2, wherein: the protection bar (51) is installed at installing frame (223) top, protection bar (51) end to end forms rail guard (5), the bottom of four corners of rail guard (5) all be provided with install in install post (52) on spliced pole (221), supply all have been seted up on spliced pole (221) top install mounting groove (2211) of install post (52).

5. The steel beam butt joint temporary support fixing device according to claim 4, wherein: the protection rod (51) comprises a first connecting portion (511), an adjusting portion (512) and a second connecting portion (513), wherein the first connecting portion (511) is in sliding connection with the adjusting portion (512), and the second connecting portion (513) is in sliding connection with the adjusting portion (512).

6. The steel beam butt joint temporary support fixing device according to claim 5, wherein: spout (5121) has been seted up in the middle of adjustment portion (512), first connecting portion (511) with inside cavity of second connecting portion (513), first connecting portion (511) are close to one end of adjustment portion (512) is provided with first snap ring (5111), second connecting portion (513) are close to one end of adjustment portion (512) is provided with second snap ring (5131), first snap ring (5111) with both ends that spout (5121) all can be blocked to second snap ring (5131).

7. The steel beam butt joint temporary support fixing device according to claim 2, wherein: the two ends of the protection net (222) are connected to the connecting columns (221) through the hoops (4), and the bottom ends of the protection net (222) are flush with the bottom ends of the connecting pipes (225).

8. The steel beam butt joint temporary support fixing device according to claim 1, wherein: the support frame (1) comprises upright posts (11), cross beams (15) and support columns (16), four upright posts (11) are arranged in a rectangular array, connecting rods (12) are arranged between the adjacent upright posts (11), the cross beams (15) are arranged at the top ends of the two upright posts (11) connected by the same connecting rod (12), the arrangement direction of the cross beams (15) is perpendicular to the length direction of the steel beam (3), and the support columns (16) are arranged at the top ends of the cross beams (15); an inclined stay bar (14) is obliquely arranged between the two upright posts (11).

9. The steel beam butt joint temporary support fixing device according to claim 8, wherein: limiting columns (13) are arranged at two ends of the cross beam (15), and the limiting columns (13) are clamped on two sides of the steel beam (3).