Support for steel beam hoisting construction

Abstract

The invention relates to the field of steel beam hoisting construction equipment, in particular to a steel beam hoisting construction support which comprises a bearing beam, the bearing beam is transversely arranged on concrete beams, loads are dispersed to the concrete beams at the two ends through the bearing beam, and the bearing beam and the concrete beams are fixed through chemical anchor bolts. The support base is horizontally placed on the upper end face of the bearing beam, the support base and the bearing beam are fixed through full-circle angle welding, the support splicing units are lattice support units and longitudinally connected to the top of the support base in a lap joint mode, and the support splicing units and the support base are combined to form a support body. The operation height of the support body can be controlled by selecting the splicing number of the support splicing units, a jig frame main beam is connected to the upper end face of the top support splicing unit, and an adjusting stand column for finely adjusting the supporting height is installed in the middle of the top of the jig frame main beam. The method has the characteristics of simple construction process, short construction period and capability of quickly adjusting the gravity center of the bracket.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of steel beam hoisting construction equipment, in particular to a steel beam hoisting construction support. BACKGROUND

[0002] Steel beams are widely used in the construction industry and can be used for structural support in housing beams, columns, staircases, indoor partitions, and roof and wall surfaces. The advantage of steel beams is their high strength and rigidity, which can withstand heavy pressure and greatly ensure the safety and stability of buildings. In addition, steel beams can be assembled on site, reducing transportation costs and being more economical and practical than traditional building materials.

[0003] Steel beams are divided into small, medium and large steel beams according to actual use scenarios. In the construction process of medium and large steel beams, multiple hoisting methods are generally used. In this hoisting process, a support is an essential construction equipment. First, the support temporarily supports the bottom of the steel beam. Second, the construction personnel stand on the support to fix and construct the connection of the steel beam.

[0004] Generally, steel beam construction supports are assembled by hoisting machines, and in the common hoisting process, high-strength bolts are used to lock and fix the units between the supports. The accuracy of the bolt fixing hole is very high in this process. The installation hole and the bolt must be tightly fitted to ensure that the overall center of gravity of the support is consistent, which improves the difficulty of on-site hoisting construction while ensuring accuracy. Specifically, it is difficult to align the units, and the positions of the support units need to be adjusted repeatedly by the hoisting machine personnel and the ground personnel, which prolongs the construction period. SUMMARY

[0005] To solve the problem of difficult alignment and construction difficulty of the support in the prior art, the present application provides a steel beam hoisting construction support.

[0006] The technical solution adopted by the present application to solve its technical problems is: a steel beam hoisting construction support, comprising: a load-bearing beam, which is placed horizontally on the concrete beam and disperses the load to the concrete beams at both ends through the load-bearing beam, and the load-bearing beam and the concrete beam are fixed by chemical anchors; a support base, which is placed horizontally on the end surface of the load-bearing beam and is fixed by full-angle welding; The support splicing unit is a lattice support unit longitudinally lapped on the top of the support base. A plurality of support splicing units and the support base are combined into a support main body. The working height of the support main body can be controlled by selecting the number of spliced support splicing units. A tire rack main beam is connected to the upper end surface of the top support splicing unit. An adjusting column for fine adjustment of the support height is installed at the central position of the top of the tire rack main beam. The connecting piece is used for fixing the longitudinal and horizontal positions between adjacent support splicing units and between the support splicing unit and the support base. The connecting piece includes a female connecting part and a male connecting part. The support splicing unit is equipped with the male connecting part and the female connecting part at the upper and lower ends, respectively. The support base is equipped with the female connecting part at the outer side of the top. The male connecting part is combined by a male connecting block and a plug rod part. The connecting block is welded around the bottom of the support splicing unit. The plug rod part is installed at the central position of the lower end surface of the male connecting block. The female connecting part is combined by a female connecting block, a positioning base, a clamping block, a return spring, and a locking bolt. The female connecting block is installed at the top of the support splicing unit and the support base. The positioning base is fixedly connected to the bottom of the built-in cavity of the female connecting block. The clamping block is horizontally movably installed at the top of the positioning base. A plurality of clamping blocks are combined into a locking area between the inner walls of the clamping blocks. The return spring is installed between the outer walls of the adjacent two clamping blocks. The locking bolt is installed at the top of the female connecting block by screwing. A plug hole is formed at the central position of the locking bolt. The locking bolt is in contact with the top of the clamping block at the side edge of the plug hole but is not connected. The contact surfaces of the two are inclined surfaces. The diameters of the plug hole and the locking area are larger than the outer diameter of the plug rod part.

[0007] Specifically, the plug rod part includes an I-shaped rod directly fixedly installed at the central position of the lower end surface of the male connecting block by welding. The outer wall of the I-shaped rod is flushly sleeved with an outer arc plate. The adjacent two outer arc plates are fixed by bolts. The outer arc plate and the I-shaped rod are installed with a ball bearing.

[0008] Specifically, a positioning groove is formed along the circumferential direction of the inner wall of the locking bolt plug hole. An installation groove is formed along the circular surface of the upper part of the outer arc plate. A support rod is fixedly installed in the installation groove at equal intervals in the longitudinal direction. The outer wall of the support rod is sleeved with a sliding block at the upper and lower ends. The opposite surfaces of the two sliding blocks at the same longitudinal position are hingedly connected with a positioning arm. The two positioning arms at the same longitudinal position are rotatably connected by a pin shaft. A torsional spring is installed at the connection between the two. A driving ring is fixedly installed on the outer wall of a plurality of sliding blocks at the top of the support rod. A driving screw is installed in the locking bolt by screwing at the horizontal position. The driving screw is rotatably adjusted in the plug hole.

[0009] Specifically, the outer wall of each positioning arm is provided with a silica gel sealing gasket at each longitudinal position, and the silica gel sealing gaskets are located at the connection points of adjacent two positioning arms; a plurality of elastic waterproof membranes are arranged on the outer side of the positioning arms, the bottom of each elastic waterproof membrane is fixedly connected to the lower end surface of the mounting groove, and the top is embedded in the lower end surface of the driving ring.

[0010] Specifically, a steel plate is arranged between the bearing beam and the concrete beam, and the upper end surface of the bearing beam is leveled by adjusting the number of steel plates and the thickness of a single steel plate; the steel plate and the bearing beam are fixed by welding.

[0011] Specifically, a positioning sleeve is fixedly installed on the outer wall of the clamping block in the horizontal direction, a positioning rod is fittedly installed in the positioning sleeve, and one end of the positioning rod is welded to the inner wall of the female connecting block.

[0012] Specifically, an antiskid pad is embedded in the inner wall of the clamping block, and the sizes of the round holes of the combined antiskid pads are equal to the size of the outer diameter of the circular arc plate.

[0013] Specifically, a climbing ladder is arranged at the central position in the interior of the support main body, the top of the climbing ladder is connected with the cradle main beam, and the bottom is connected with the concrete beam through expansion bolts.

[0014] The beneficial effects of the present application are as follows: The support for steel beam hoisting construction has the following beneficial effects: the support main body is connected through the connecting piece, the large-diameter insertion hole, the locking area, and the small-diameter insertion rod part, so that the accuracy requirement of the early hoisting operation is reduced, the fault tolerance of the crane construction personnel is low, the support splicing unit can be easily hoisted to the support base, the rotation locking bolt can quickly adjust the gravity center of the support main body after placement, the stress of the support main body connection is more uniform, the construction is more simple and convenient, and the construction period is shorter.

[0015] The support for steel beam hoisting construction has the following beneficial effects: the support main body is connected through the connecting piece, the large-diameter insertion hole, the locking area, and the small-diameter insertion rod part, so that the accuracy requirement of the early hoisting operation is reduced, the fault tolerance of the crane construction personnel is low, the support splicing unit can be easily hoisted to the support base, the rotation locking bolt can quickly adjust the gravity center of the support main body after placement, the stress of the support main body connection is more uniform, the construction is more simple and convenient, and the construction period is shorter. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present application will be further described below in combination with the drawings and examples.

[0017] Figure 1 It is a front view of the overall structure of the present application. Figure 2It is a partial structural cross-sectional view of the connector of the present invention; Figure 3 is a three-dimensional diagram of the sub-connecting portion of the present invention; Figure 4 This is a partial structural cross-section of the sub-connection portion of the present invention Figure 1 ; Figure 5 This is a partial structural cross-section of the sub-connection portion of the present invention Figure 2 ; Figure 6 This is a working state diagram of the connecting portion of the present invention; Figure 7 This is a bottom view of the elastic waterproof membrane of the present invention in working state; In the figure: 1. load-bearing beam; 2. bracket base; 3. bracket splicing unit; 4. tire frame main beam; 5. adjustment column; 6. connector; 7. climbing ladder; 61. sub-connecting part; 62. mother connecting part; 611. sub-connecting block; 612. rod insertion part; 621. mother connecting block; 622. positioning base; 623. clamping block; 624. return spring; 625. locking bolt; 71. I-beam; 72. outer arc plate; 73. ball bearing; 81. positioning groove; 82. support rod; 83. slider; 84. positioning arm; 85. drive ring; 86. drive screw; 91. silicone sealing pad; 92. elastic waterproof membrane. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] In addition, the following terms are defined based on the functions of the present invention and may vary depending on the intentions or practices of the user or operator. Therefore, these terms are defined based on the entire content of this specification.

[0020] See Figures 1-7 The present invention relates to a support for steel beam hoisting construction, comprising a load-bearing beam 1, a support base 2, a support splicing unit 3, and a connector 6. The load-bearing beam 1 is placed horizontally on the concrete beam, and the load is distributed to the concrete beams at both ends through the load-bearing beam 1. The load-bearing beam 1 is a welded H-shaped beam with a cross-section of not less than H300*200*8*12. Chemical anchor bolts are used to fix the load-bearing beam 1 to the concrete beam. A steel plate is provided between the load-bearing beam 1 and the concrete beam, and the upper end surface of the load-bearing beam 1 is leveled by exchanging the number of steel plates and the thickness of each steel plate. The steel plate and the load-bearing beam 1 are fixed by welding. Generally speaking, the thickness of the steel plate is maintained at 20-30 mm, and the steel plate is used to form a single-span simply supported beam structure. In this case, both ends of the load-bearing beam 1 are located on the concrete beam, and the concentrated load is borne by the concrete beam, thereby improving the stability of the load-bearing beam 1 and preventing deformation of the load-bearing beam 1. The support base 2 is horizontally placed on the upper end surface of the load-bearing beam 1, and the two are fixed by full-circle angle welding. The support base 2 serves as a bottom support structure frame and is placed on the upper end surface of the load-bearing beam 1 by hoisting. The support base 2 structure is a lattice structure, and the four risers are respectively located on the load-bearing beam 1; The bracket splicing unit 3 is a lattice bracket unit, which is longitudinally overlapped on the top of the bracket base 2. Several bracket splicing units 3 and the bracket base 2 are combined into a bracket body. The operating height of the bracket body can be controlled by selecting the number of bracket splicing units 3. The upper end surface of the top bracket splicing unit 3 is connected to the tire frame main beam 4. The top center of the tire frame main beam 4 is equipped with an adjustment column 5 for fine-tuning the support height. The number of bracket splicing units 3 should be set according to the actual erection height of the steel beam, and it is only necessary to adjust the adjustment column 5 to support the bottom of the steel beam. A climbing ladder 7 is provided at the center of the interior of the bracket body. The top of the climbing ladder 7 is connected to the tire frame main beam 4, and the bottom is connected to the concrete beam through expansion bolts. The climbing ladder 7 is a non-integrated structure and can be understood as being composed of multiple sections of climbing ladders 7 of the same structure combined by high-strength bolts. The height of each section of the climbing ladder 7 is equal to the height of the bracket splicing unit 3 or the bracket base 2. Therefore, when the bracket base 2 or each section of the bracket splicing unit 3 is installed, a corresponding climbing ladder 7 needs to be installed; The connecting member 6 is used to fix the longitudinal and horizontal positions between adjacent bracket splicing units 3 and between the bracket splicing unit 3 and the bracket base 2. The connecting member 6 includes a sub-connecting portion 61 and a female connecting portion 62. The upper and lower ends of the bracket splicing unit 3 are respectively equipped with a sub-connecting portion 61 and a female connecting portion 62. The outer side of the top of the bracket base 2 is equipped with a female connecting portion 62. The sub-connecting portion 61 is composed of a sub-connecting block 611 and an insertion rod portion 612. The connecting block 611 is welded to the four sides of the bottom of the bracket splicing unit 3. The insertion rod portion 612 is installed at the center of the lower end surface of the sub-connecting block 611. Under normal circumstances, the insertion rod portion 612 has an exposed length relative to the bracket splicing unit 3. Therefore, during the construction process, the bracket splicing unit 3 to be installed should be laid horizontally on the ground, and the insertion rod portion 612 should not be used as a force-bearing part to support the ground to prevent the insertion rod portion 612 from deformation. The female connection part 62 is composed of a female connection block 621, a positioning base 622, a clamping block 623, a return spring 624 and a locking bolt 625. The female connection block 621 is respectively installed at the top and four sides of the bracket splicing unit 3 and the bracket base 2. The bottom of the built-in cavity of the female connection block 621 is fixedly connected to the positioning base 622. The clamping block 623 is horizontally movably installed on the top of the positioning base 622. The inner walls of the multiple clamping blocks 623 are combined into a locking area. A return spring 624 is installed between the outer walls of two adjacent clamping blocks 623. The top of the female connection block 621 is equipped with a locking bolt 625 by bolt cooperation. A socket is opened in the center of the locking bolt 625. The locking bolt 625 is located at one side edge of the socket and contacts with the top of the clamping block 623 but is not connected, and the contact surfaces of the two are both inclined surfaces. The installation and construction process between the bracket splicing unit 3 and the bracket base 2 and between adjacent bracket splicing units 3 is the same. In this embodiment, the installation between the bracket splicing unit 3 and the bracket base 2 is illustrated as an example. First, the bracket splicing unit 3 is hoisted to the top of the bracket base 2 by hoisting. By visually observing the position of the insertion rod portion 612 and the insertion hole, the construction personnel can stand on the climbing ladder 7 to operate during this process, and manually align the insertion rod portion 612 with the insertion hole in cooperation with the hoisting driver, and then lower the bracket splicing unit 3 so that the insertion rod portion 612 is inserted into the female connecting portion 62. Since the aperture of the insertion hole and the locking area is larger than the outer diameter of the insertion rod portion 612, this effectively reduces the lowering accuracy requirement required for hoisting, and facilitates the rapid placement of the bracket splicing unit 3 on the bracket base 2 (in this state, the center of the insertion rod portion 612 and the center of the locking area are non-collinear, that is, the insertion rod portion 612 is horizontally deflected relative to the locking area); After the hoisting is completed, the construction workers can twist the locking bolt 625 with a wrench, and the locking bolt 625 drops vertically along the female connecting block 621, and the bottom inclined surface of the locking bolt 625 squeezes the top inclined surface of the clamping block 623, so that the clamping blocks 623 are subjected to horizontal thrust. Figure 6 Move in the direction of the arrow, and the rod portion 612 is squeezed to the center of the locking area through the squeezing action of multiple clamping blocks 623. At this time, the center line of the rod portion 612 in this area overlaps with the center line of the locking area. According to the above process, the locking bolts 625 at other positions are rotated in turn to lock the rod portion 612 at the corresponding position. In this way, the locking positioning between the bracket splicing unit 3 and the bracket base 2 can be quickly completed through secondary adjustment, and the center of gravity between the bracket splicing unit 3 and the bracket base 2 is kept coincident. When supporting the steel beam, the force at the connection between the bracket splicing unit 3 and the bracket base 2 is balanced, and there will be no local excessive force.

[0021] In another embodiment, see Figure 5The inserting rod portion 612 includes an I-shaped rod 71 directly fixedly installed at the center position of the lower end surface of the sub-connecting block 611 by welding. The outer wall of the I-shaped rod 71 is flush with the outer arc plate 72. The two adjacent outer arc plates 72 are fixed by bolts. A ball 73 is installed between the outer arc plate 72 and the I-shaped rod 71. The lattice support base 2 or the support splicing unit 3 is generally a quadrilateral structure, and the main force-bearing structure is four vertical rods. Therefore, the lattice support base 2 or the support splicing unit 3 in the present invention is The number of connecting parts 6 at each end is also four. Therefore, when the locking bolt 625 is rotated to fix the position of the bracket splicing unit 3, due to the error in the initial lifting position, when the clamping block 623 squeezes the inserted rod part 612 to move to the center position, there is a slight angular deflection process of the bracket splicing unit 3. At this time, the outer arc plate 72 will be clamped by multiple clamping blocks 623 to remain stationary in the relative circumference, and the I-beam 71 will rotate relative to the outer arc plate 72, reducing the wear between the outer arc plate 72 and the clamping block 623.

[0022] In another embodiment, see Figures 2-6 The inner wall of the insertion hole of the locking bolt 625 is provided with a positioning groove 81 along the circumferential direction, and the upper part of the outer arc plate 72 is provided with a mounting groove along the arc surface. Support rods 82 are fixedly installed longitudinally at equal intervals in the mounting groove, and sliders 83 are sleeved on the upper and lower ends of the outer wall of the support rod 82; the slider 83 at the lower end is in a stationary state relative to the outer wall of the support rod 82, and the slider 83 at the upper end can move vertically downward along the outer wall of the support rod 82; At the same longitudinal position, the two sliders 83 are hinged with positioning arms 84 on opposite sides. The two positioning arms 84 at the same longitudinal position are rotatably connected by a pin shaft, and a torsion spring is installed at the connection between the two. A driving ring 85 is fixedly installed on the outer wall of several sliders 83 at the top position of the support rod 82. A driving screw 86 is installed at the internal horizontal position of the locking bolt 625 through threaded cooperation, and the driving screw 86 can be rotated relative to the socket to adjust the feed depth. During operation, before rotating the locking bolt 625, the driving screw 86 is first rotated so that the driving screw 86 is located at the upper end of the driving ring 85. When the locking bolt 625 is rotated again at this time, several driving screws 86 will drive the driving ring 85 to descend together. During the descent of the driving ring 85, several sliders 83 at the above-mentioned upper end positions are driven to slide vertically downward, and the angle between the two positioning arms 84 at the same longitudinal position increases. When the locking bolt 625 is rotated to the final position, the connection between the two positioning arms 84 enters the positioning groove 81, and the longitudinal position of the connecting member 6 is locked through the cooperation between the positioning groove 81 and the connection between the two positioning arms 84, that is, the longitudinal position of the bracket body is locked, thereby improving the overall stability of the present invention.

[0023] In another embodiment, see Figures 1-7Each of the positioning arms 84 is provided with a silica gel sealing gasket 91 on the outer wall thereof, and the silica gel sealing gaskets 91 are located at the connection points of the adjacent two positioning arms 84. An elastic waterproof film 92 is arranged outside the positioning arms 84, and the bottom of the elastic waterproof film 92 is fixedly connected to the lower end surface of the mounting groove, and the top of the elastic waterproof film 92 is embedded in the lower end surface of the driving ring 85. The elastic waterproof film 92 is located between the insertion hole and the positioning arms 84. When the connection points of the two positioning arms 84 enter the positioning groove 81, the silica gel sealing gasket 91 and the elastic waterproof film 92 are deformed and enter the inside of the positioning groove 81 together. As shown in Figure 7 the reference plane of the cross section of the insertion hole provided with the positioning groove 81, the inner wall of the insertion hole has a certain horizontal distance from the positioning groove 81. When part of the elastic waterproof film 92 enters the positioning groove 81 under the extrusion of the positioning arms 84, the remaining area of the elastic waterproof film 92 is tightly attached to the inner wall of the insertion hole under the elastic force, thereby cutting off the insertion hole, effectively preventing liquid substances from entering the female connector 62, and protecting the internal components of the female connector 62.

[0024] Referring to Figure 2 , the outer wall of the clamping block 623 is horizontally fixedly provided with a positioning sleeve, and a positioning rod is fittedly arranged in the positioning sleeve. One end of the positioning rod is welded to the inner wall of the female connector block 621. The position of the clamping block 623 is further locked by the cooperation between the positioning sleeve and the positioning rod, so that the clamping block 623 can only move horizontally.

[0025] Referring to Figure 2 , the inner wall of the clamping block 623 is embedded with anti-skid pads, which are not marked in the description of the drawings. It can be understood that the anti-skid pads increase the friction between the clamping block 623 and the insertion rod part 612. It should be noted that the anti-skid pads should be made of non-elastic material. When the clamping block 623 contacts, the size of the circular holes of the anti-skid pads and the size of the outer diameter of the circular arc plate 72 are equal.

[0026] When the present application is dismantled, only the locking bolt 625 is rotated, and the reset spring 624 and the torsional spring respectively drive the clamping block 623 and the positioning arm 84 (during the installation process, the reset spring 624 and the torsional spring are compressed to generate a rebound force). Then the support body can be sequentially removed by a crane.

[0027] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited to the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A support for steel beam hoisting construction, characterized in that: include: A load-bearing beam (1), wherein the load-bearing beam (1) is placed horizontally on the concrete beam, and the load is distributed to the concrete beams at both ends through the load-bearing beam (1), and the load-bearing beam (1) and the concrete beam are fixed with chemical anchor bolts; A bracket base (2), the bracket base (2) being placed horizontally on the upper end surface of the load-bearing beam (1), and the two being fixed by full-circle angle welding; A bracket splicing unit (3), wherein the bracket splicing unit (3) is a lattice bracket unit, longitudinally overlapped on the top of the bracket base (2), a plurality of bracket splicing units (3) and the bracket base (2) are combined into a bracket body, and the operating height of the bracket body can be controlled by selecting the number of bracket splicing units (3) to be assembled, and a tire frame main beam (4) is connected to the upper end surface of the top bracket splicing unit (3), and an adjustment column (5) for fine-tuning the support height is installed at the center of the top of the tire frame main beam (4); A connecting member (6), the connecting member (6) being used for fixing the longitudinal and horizontal positions between adjacent bracket splicing units (3) and between the bracket splicing units (3) and the bracket base (2), the connecting member (6) comprising a sub-connecting portion (61) and a female connecting portion (62), the upper and lower ends of the bracket splicing units (3) being respectively provided with the sub-connecting portion (61) and the female connecting portion (62), and the outer side of the top of the bracket base (2) being provided with the female connecting portion (62); The sub-connecting portion (61) is composed of a sub-connecting block (611) and an inserting rod portion (612). The connecting block (611) is welded to the bottom of the bracket splicing unit (3) at four positions. The inserting rod portion (612) is installed at the center of the lower end surface of the sub-connecting block (611). The female connection part (62) is composed of a female connection block (621), a positioning base (622), a clamping block (623), a return spring (624) and a locking bolt (625). The female connection block (621) is respectively installed at the top and four positions of the bracket splicing unit (3) and the bracket base (2). The bottom of the built-in cavity of the female connection block (621) is fixedly connected to the positioning base (622). The clamping block (623) is horizontally movably installed on the top of the positioning base (622). A plurality of the clamping blocks (621) are arranged on the top of the positioning base (622). 23) The inner walls are combined to form a locking area, a return spring (624) is installed between the outer walls of the adjacent clamping blocks (623), and a locking bolt (625) is installed on the top of the female connecting block (621) through bolts. A socket is opened in the center of the inner part of the locking bolt (625). The locking bolt (625) is located at one side edge of the socket and contacts but is not connected to the top of the clamping block (623), and the contact surfaces of the two are both inclined surfaces. The aperture of the socket and the locking area is larger than the outer diameter of the insertion rod portion (612).

2. A steel beam hoisting construction support according to claim 1, characterized in that: The inserting rod portion (612) comprises an I-shaped rod (71) directly fixedly mounted at a central position on the lower end surface of the sub-connecting block (611) by welding, an outer arc plate (72) being flushly sleeved on the outer wall of the I-shaped rod (71), two adjacent outer arc plates (72) being fixed by bolts, and a ball (73) being mounted between the outer arc plate (72) and the I-shaped rod (71).

3. The support for steel beam hoisting construction according to claim 2, characterized in that: The inner wall of the locking bolt (625) jack is provided with a positioning groove (81) along the circumferential direction, and the upper part of the outer arc plate (72) is provided with a mounting groove along the arc surface. Support rods (82) are fixedly installed longitudinally at equal intervals in the mounting groove. Sliders (83) are sleeved on the upper and lower ends of the outer wall of the support rod (82). Positioning arms (84) are hinged at the opposite surfaces of the two slides (83) at the same longitudinal position. The two positioning arms (84) at the same longitudinal position are rotatably connected by a pin shaft, and a torsion spring is installed at the connection between the two. A driving ring (85) is fixedly installed on the outer wall of several slides (83) at the top position of the support rod (82). A driving screw (86) is installed at the internal horizontal position of the locking bolt (625) through threaded engagement, and the driving screw (86) can be rotated relative to the jack to adjust the feed depth.

4. The support for steel beam hoisting construction according to claim 3, characterized in that: A silicone sealing pad (91) is installed on the outer wall of one of the positioning arms (84) at each longitudinal position. The silicone sealing pad (91) is located at the connection point between two adjacent positioning arms (84). An elastic waterproof membrane (92) is provided on the outer side of several of the positioning arms (84). The bottom of the elastic waterproof membrane (92) is fixedly connected to the lower end surface of the installation groove, and the top is embedded in the lower end surface of the drive ring (85).

5. The support for steel beam hoisting construction according to claim 1, characterized in that: A steel plate is provided between the load-bearing beam (1) and the concrete beam, and the upper end surface of the load-bearing beam (1) is leveled by exchanging the number of steel plates and the thickness of a single steel plate. The steel plate and the load-bearing beam (1) are fixed by welding.

6. The support for steel beam hoisting construction according to claim 1, characterized in that: A positioning sleeve is fixedly mounted on the outer wall of the clamping block (623) in the horizontal direction, and a positioning rod is mounted in the positioning sleeve. One end of the positioning rod is welded to the inner wall of the female connection block (621).

7. The support for steel beam hoisting construction according to claim 3, characterized in that: The inner wall of the clamping block (623) is embedded with an anti-skid pad. When the clamping block (623) contacts the inner wall, the size of the circular hole formed by the combination of the anti-skid pads is equal to the outer diameter of the arc plate (72).

8. The support for steel beam hoisting construction according to claim 1, characterized in that: A climbing ladder (7) is provided at a central position inside the bracket body; the top of the climbing ladder (7) is connected to the tire frame main beam (4), and the bottom is connected to the concrete beam via expansion bolts.

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