A connection device and construction method for placing a steel beam in a concrete wall

Abstract

The present invention discloses a connection device and a construction method in which a steel beam is placed in a concrete wall. The connection device includes a steel beam, a concrete wall, a chemical anchor bolt, a U-shaped connection plate, and a rear opening. The concrete wall is provided with a rear opening, a U-shaped connection plate is placed on the concrete wall below the rear opening, and a steel beam is placed on the U-shaped connection plate in the rear opening. The U-shaped connection plate has a thickness of 16 mm and a size of 350×350×350 mm. The invention has the advantages of simple and fast connection and installation technology, low labor intensity, and short construction period. The structure of the present invention is simple to construct, saves construction time, and effectively reduces the difficulty of super-high-rise steel structure construction.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a connection device and a construction method for post-placing a steel beam in a concrete wall. Background Art

[0002] With the development of society and the construction industry, more and more super high-rise buildings are emerging in urban construction. Since steel structure itself has unique advantages such as light weight, high strength and fast construction, it is very ideal to use steel structure for high-rise and large span, especially super high-rise and super large span. The connection method between steel beams and shear walls has become a key point in construction control and plays a key role in the structural safety of super high-rise buildings.

[0003] In order to meet the connection requirements between shear walls and steel beams during structural changes and reduce construction time and cost at the same time, a connection device and construction method in which steel beams are placed post-inside concrete walls were studied. Summary of the invention

[0004] In order to overcome the above-mentioned technical problems, the purpose of the present invention is to provide a connection device and a construction method in which a steel beam is placed inside a concrete wall. The connection and installation technology is simple and fast, the labor intensity is low, and the construction period is short, which effectively reduces the difficulty of super-high-rise steel structure construction.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] A connection device in which a steel beam is placed in a concrete wall, comprising a steel beam, a concrete wall, a chemical anchor bolt, a U-shaped connection plate, and a rear opening, wherein the concrete wall is provided with a rear opening, a U-shaped connection plate is placed on the concrete wall below the rear opening, and a steel beam is placed on the U-shaped connection plate in the rear opening;

[0007] The U-shaped connecting plate is evenly provided with bolt holes on the top, and the bolt holes are fixedly connected to the fixed plate one by bolts. A guide rod one is evenly provided inside the fixed plate one, and the other end of the guide rod one is fixed to the movable plate. A spring is sleeved on the guide rod one and located between the fixed plate one and the movable plate, and the spring is respectively connected to the fixed plate one and the movable plate. An L-shaped baffle is fixedly installed on the other side of the top of the U-shaped connecting plate, and the inner sides of the movable plate and the L-shaped baffle vertical plate are provided with inclined portions.

[0008] As a further solution of the present invention: the U-shaped connecting plate has a thickness of 16 mm and a size of 350×350×350 mm.

[0009] As a further solution of the present invention: the U-shaped connecting plate is fixedly connected to the concrete wall by chemical anchor bolts, the welding size of the steel beam and the U-shaped connecting plate is 250 mm, and the strength grade of the chemical anchor bolts is 5.8.

[0010] As a further solution of the present invention: one end of the steel beam is fixed to the U-shaped connecting plate by fillet welding.

[0011] As a further solution of the present invention: a construction method of a connection device in which a steel beam is placed in a concrete wall, comprising the following steps:

[0012] Step 1: Processing and forming of U-shaped connecting plate: The U-shaped connecting plate is produced and formed in the factory;

[0013] Step 2: Positioning the steel beam support end: Lay out the position of the steel beam support end on the concrete wall and drill holes for steel beam installation;

[0014] Step 3: Fix the steel beam support end on the concrete wall: Use lifting machinery to lift the U-shaped connecting plate to the bottom of the hole for installation, and fix it to the concrete wall with chemical anchor bolts;

[0015] Step 4: Connection between the steel beam and the support end: Use lifting machinery to lift the steel beam, place one end of the steel beam on the U-shaped connecting plate, and connect the steel beam and the U-shaped connecting plate by corner welding on site;

[0016] Step 5: Backfill the opening: After the construction is completed, backfill the opening with concrete that is one level higher than the concrete wall.

[0017] As a further solution of the present invention: the lifting mechanical equipment comprises a frame, a clamping mechanism, a moving plate, a cylinder 1 and a guide rail, two guide rails are symmetrically installed on the top of the frame, a moving plate is slidably connected to the guide rail, one side of the moving plate is connected to the piston rod of the cylinder 2, and the cylinder 2 is fixedly installed on the top of the frame and arranged parallel to the guide rail;

[0018] A cylinder 1 is fixedly installed at the top center of the movable plate, a piston rod of the cylinder 1 penetrates the movable plate and is connected to the lifting plate, and a clamping mechanism is fixedly installed at the bottom of the lifting plate;

[0019] The clamping mechanism includes a connecting block, the top of which is connected to the lifting plate, a crossbeam is fixedly installed on the bottom of the connecting block, two pillars are symmetrically installed on the bottom of the crossbeam, a fixing plate 2 is fixedly installed on the bottom of the pillar, a cylinder 5 is fixedly installed at the top center of the fixing plate 2, the bottom of the piston rod of the cylinder 5 penetrates the fixing plate 2 and is connected to the lifting mounting plate, guide rods 2 are symmetrically installed on both ends of the top of the lifting mounting plate, the other end of the top of the guide rod 2 penetrates the fixing plate 2 and is connected to the U-shaped limiting plate, and a vertical plate is arranged on one side of the lifting mounting plate.

[0020] As a further solution of the present invention: a cylinder three is symmetrically installed on the crossbeam, and a tripod is movably connected to the outer sides of the piston rods of the two cylinders three, and the tripod is a hollow structure. The tripod is sleeved on the crossbeam and slidably connected to the crossbeam. A clamping arm is fixedly installed at the bottom of the tripod, and a gear box is fixedly installed at the bottom of the clamping arm. Cylinder four is movably connected to the outer sides of the two clamping arms, and the cylinder four is tilted. A Z-shaped rocker is sleeved on the piston of the cylinder four, and the other end of the Z-shaped rocker is connected to the eccentric hole of the eccentric arc gear. The gearbox is provided with an arc hole for rotating the Z-shaped rocker, and the eccentric arc gear is meshed with a circular gear. The eccentric arc gear and the circular gear are both rotatably arranged in the gearbox, one end of the circular gear is connected to a threaded sleeve through a rotating shaft, and the other end of the threaded sleeve is rotatably connected to one side of the inner wall of the gearbox, and a threaded rod is threadedly connected to the inside of the threaded sleeve, and the other end of the threaded rod extends outside the gearbox.

[0021] Beneficial effects of the invention: The invention has the advantages of simple and fast connection and installation technology, low labor intensity, and short construction period. The structure of the invention is simple to construct, saves construction period, and effectively reduces the difficulty of super high-rise steel structure construction;

[0022] Drive cylinder two to drive the moving plate to move horizontally on the guide rail, and then adjust the horizontal position of the moving plate, and then drive cylinder one to drive the lifting plate to descend until the gear box contacts the horizontal plane, and drive cylinder five to drive the lifting mounting plate to descend, and then fix the steel beam or U-shaped connecting plate on the lifting mounting plate through the wire rope. After driving the lifting mounting plate to rise one end distance, drive cylinder three to drive the two clamping arms to move and fix the two sides of the steel beam or U-shaped connecting plate. At the same time, drive cylinder four to push the Z-shaped rocker to rotate and lift in the arc hole, thereby driving the eccentric arc gear to rotate, and the eccentric arc gear is meshed and connected with the circular gear, thereby driving the circular gear to rotate, and the circular gear drives the threaded sleeve to rotate, and the threaded sleeve drives the threaded rod to extend, thereby supporting the steel beam or U-shaped connecting plate to avoid installation accidents, and finally move the lifting plate to install the steel beam or U-shaped connecting plate. The equipment is simple to operate, easy to install and disassemble, and convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described below in conjunction with the accompanying drawings.

[0024] Figure 1 It is a front view structural schematic diagram of the present invention;

[0025] Figure 2 It is a schematic diagram of the horizontal cross-section structure of the present invention;

[0026] Figure 3 It is a schematic diagram of the overall structure of the lifting machinery equipment in the present invention;

[0027] Figure 4 It is a front view structural schematic diagram of the lifting mechanical equipment in the present invention;

[0028] Figure 5 It is a schematic diagram of the overall structure of the clamping mechanism in the present invention;

[0029] Figure 6 It is a schematic diagram of the internal structure of the gear box in the present invention;

[0030] Figure 7 It is a schematic diagram of the top structure of the U-shaped connecting plate in the present invention.

[0031] In the figure: 1. steel beam; 2. concrete wall; 3. chemical anchor bolt; 4. U-shaped connecting plate; 5. rear opening; 6. frame; 7. clamping mechanism; 8. moving plate; 9. cylinder one; 10. guide rail; 11. cylinder two; 12. lifting plate; 71. cylinder three; 72. connecting block; 73. tripod; 74. crossbeam; 75. clamping arm; 76. cylinder four; 77. pillar; 78. cylinder five; 79. U-shaped limit plate; 80. lifting mounting plate; 81. guide rod two; 82. fixing plate two; 83. gear box; 84. arc hole; 85. Z-shaped rocker; 86. circular gear; 87. eccentric arc gear; 88. threaded sleeve; 89. threaded rod. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] See also Figure 1-7 As shown, a connection device in which a steel beam is placed in a concrete wall, comprising a steel beam 1, a concrete wall 2, a chemical anchor 3, a U-shaped connection plate 4, and a rear opening 5, wherein the concrete wall 2 is provided with a rear opening 5, a U-shaped connection plate 4 is placed on the concrete wall 2 below the rear opening 5, and the steel beam 1 is placed on the U-shaped connection plate 4 in the rear opening 5;

[0034] The top of the U-shaped connecting plate 4 is evenly provided with bolt holes 46, and the bolt holes 46 are fixedly connected to the fixed plate 41 by bolts. The inside of the fixed plate 41 is evenly penetrated by a guide rod 42, and the other end of the guide rod 42 is fixed to the movable plate 43. A spring 47 is sleeved on the guide rod 42 and located between the fixed plate 41 and the movable plate 43. The spring 47 is respectively connected to the fixed plate 41 and the movable plate 43. An L-shaped baffle plate 45 is fixedly installed on the other side of the top of the U-shaped connecting plate 4, and the inner sides of the vertical plates of the movable plate 43 and the L-shaped baffle plate 45 are both provided with inclined portions 44. The steel beam 1 is placed on the U-shaped connecting plate 4, and the two sides of the steel beam 1 first contact with the inclined portion 44 to push the movable plate 43 to move, thereby compressing the spring 47. The reaction force generated by the spring 47 and the vertical plate of the L-shaped baffle 45 fix its two sides to prevent it from shaking and causing incorrect installation dimensions. At the same time, the horizontal plate of the L-shaped baffle 45 is limited; the bolt hole 46 is opened to facilitate the adjustment of the position of the fixed plate 41, making it widely applicable.

[0035] The U-shaped connecting plate 4 has a thickness of 16 mm and a size of 350×350×350 mm.

[0036] The U-shaped connecting plate 4 is fixedly connected to the concrete wall 2 via the chemical anchor bolts 3 , the welding dimension between the steel beam and the U-shaped connecting plate is 250 mm, and the strength grade of the chemical anchor bolts is 5.8.

[0037] One end of the steel beam 1 is fixed to the U-shaped connecting plate 4 by fillet welding.

[0038] A construction method for a connection device in which a steel beam is placed in a concrete wall, comprising the following steps:

[0039] Step 1: Processing and forming the U-shaped connecting plate: The U-shaped connecting plate 4 is produced and formed in the factory;

[0040] Step 2: Positioning the steel beam support end: Locate the position of the steel beam support end by laying out a line on the concrete wall 2, and then drill a hole for steel beam installation;

[0041] Step 3: Fix the steel beam support end on the concrete wall: Use a lifting machine to lift the U-shaped connecting plate 4 to the bottom of the hole for installation, and fix it to the concrete wall 2 through a chemical anchor bolt 3;

[0042] Step 4: Connection between the steel beam and the support end: Use a lifting machine to lift the steel beam 1, place one end of the steel beam on the U-shaped connecting plate 4, and connect the steel beam 1 and the U-shaped connecting plate 4 by fillet welding on site;

[0043] Step 5: Backfilling the opening: After the construction is completed, backfill and pour the opening 5 with concrete that is one level higher than the concrete wall.

[0044] The lifting mechanical equipment includes a frame 6, a clamping mechanism 7, a movable plate 8, a cylinder 1 9 and a guide rail 10. Two guide rails 10 are symmetrically installed on the top of the frame 6. The movable plate 8 is slidably connected to the guide rail 10. One side of the movable plate 8 is connected to the piston rod of the cylinder 2 11. The cylinder 2 11 is fixedly installed on the top of the frame 6 and is arranged parallel to the guide rail 10.

[0045] A cylinder 9 is fixedly installed at the top center of the movable plate 8, and the piston rod of the cylinder 9 penetrates the movable plate 8 and is connected to the lifting plate 12. A clamping mechanism 7 is fixedly installed at the bottom of the lifting plate 12;

[0046] The clamping mechanism 7 includes a connecting block 72, the top of which is connected to the lifting plate 12, a crossbeam 74 is fixedly installed at the bottom of the connecting block 72, two pillars 77 are symmetrically installed at the bottom of the crossbeam 74, a fixing plate 82 is fixedly installed at the bottom of the pillar 77, a cylinder 5 78 is fixedly installed at the top center of the fixing plate 82, the bottom of the piston rod of the cylinder 5 78 penetrates the fixing plate 82 and is connected to the lifting mounting plate 80, guide rods 81 are symmetrically installed at both ends of the top of the lifting mounting plate 80, the other end of the top of the guide rod 81 penetrates the fixing plate 82 and is connected to the U-shaped limiting plate 79, and a vertical plate is provided on one side of the lifting mounting plate 80.

[0047] The cross beam 74 is symmetrically mounted with cylinder three 71, and the outer sides of the piston rods of the two cylinder three 71 are movably connected with a tripod 73, and the tripod 73 is a hollow structure, and the tripod 73 is sleeved on the cross beam 74 and slidably connected with the cross beam 74. A clamping arm 75 is fixedly mounted on the bottom of the tripod 73, and a gear box 83 is fixedly mounted on the bottom of the clamping arm 75. The outer sides of the two clamping arms 75 are movably connected with cylinder four 76, and the cylinder four 76 is tilted. A Z-shaped rocker 85 is sleeved on the piston of the cylinder four 76, and the other side of the Z-shaped rocker 85 One end is connected to the eccentric hole of the eccentric arc gear 87. The gear box 83 is provided with an arc hole 84 for rotating the Z-shaped rocker 85. The eccentric arc gear 87 is meshed and connected with the circular gear 86. The eccentric arc gear 87 and the circular gear 86 are both rotatably arranged in the gear box 83. One end of the circular gear 86 is connected to the threaded sleeve 88 through a rotating shaft. The other end of the threaded sleeve 88 is rotatably connected to one side of the inner wall of the gear box 83. The threaded sleeve 88 is internally threadedly connected with a threaded rod 89, and the other end of the threaded rod 89 extends to the outside of the gear box 83.

[0048] The working principle of the present invention is as follows: the cylinder 2 11 is driven to drive the movable plate 8 to move horizontally on the guide rail 10, thereby adjusting the horizontal position of the movable plate 8, and then the cylinder 1 9 is driven to drive the lifting plate 12 to descend until the gear box 83 contacts the horizontal plane, and the cylinder 5 78 is driven to drive the lifting installation plate 80 to descend, and then the steel beam 1 or the U-shaped connecting plate 4 is fixed to the lifting installation plate 80 through the wire rope, and after the lifting installation plate 80 is driven to rise a distance, the cylinder 3 71 is driven to drive the two clamping arms 75 to move, and the steel beam 1 or the U-shaped connecting plate 4 is fixed on both sides, and at the same time At the same time, the cylinder 4 76 is driven to push the Z-shaped rocker 85 to rotate and rise in the arc hole 84, thereby driving the eccentric arc gear 87 to rotate, and the eccentric arc gear 87 is meshed and connected with the circular gear 86, thereby driving the circular gear 86 to rotate, and the circular gear 86 drives the threaded sleeve 88 to rotate, and the threaded sleeve 88 drives the threaded rod 89 to extend, thereby supporting the steel beam 1 or the U-shaped connecting plate 4 to avoid installation accidents, and finally moving the lifting plate 12 to install the steel beam 1 or the U-shaped connecting plate 4. The equipment is simple to operate, easy to install and disassemble, and convenient to use.

[0049] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0050] The above contents are merely examples and explanations of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the invention or exceed the scope defined by the claims, they shall all fall within the protection scope of the present invention.

Claims

1. A connection device in which a steel beam is placed in a concrete wall, characterized in that: The invention comprises a steel beam (1), a concrete wall (2), a chemical anchor bolt (3), a U-shaped connecting plate (4), and a rear opening (5), wherein the rear opening (5) is opened on the concrete wall (2), a U-shaped connecting plate (4) is placed on the concrete wall (2) below the rear opening (5), and a steel beam (1) is placed on the U-shaped connecting plate (4) in the rear opening (5); The top of the U-shaped connecting plate (4) is evenly provided with bolt holes (46), and the bolt holes (46) are fixedly connected to the fixed plate (41) by bolts. The interior of the fixed plate (41) is evenly penetrated by a guide rod (42), and the other end of the guide rod (42) is fixed to the movable plate (43). A spring (47) is sleeved on the guide rod (42) and located between the fixed plate (41) and the movable plate (43), and the spring (47) is respectively connected to the fixed plate (41) and the movable plate (43). An L-shaped baffle (45) is fixedly installed on the other side of the top of the U-shaped connecting plate (4), and the inner sides of the vertical plates of the movable plate (43) and the L-shaped baffle (45) are both provided with inclined portions (44); The U-shaped connecting plate (4) is fixedly connected to the concrete wall (2) via a chemical anchor bolt (3); One end of the steel beam (1) is fixed to the U-shaped connecting plate (4) by fillet welding.

2. A connection device for a steel beam placed in a concrete wall according to claim 1, characterized in that: The U-shaped connecting plate (4) has a thickness of 16 mm and a size of 350×350×350 mm.

3. A construction method for a connection device in which a steel beam is placed in a concrete wall, characterized in that: The following steps are involved: Step 1: Processing and forming the U-shaped connecting plate: The U-shaped connecting plate (4) is produced and formed in the factory; Step 2: Positioning the steel beam support end: laying out the position of the steel beam support end on the concrete wall (2) and drilling a hole for steel beam installation; Step 3: Fix the steel beam support end on the concrete wall: Use a lifting machine to lift the U-shaped connecting plate (4) to the bottom of the hole for installation, and fix it to the concrete wall (2) through a chemical anchor bolt (3); Step 4: Connecting the steel beam to the support end: Use a lifting machine to lift the steel beam (1), place one end of the steel beam on the U-shaped connecting plate (4), and connect the steel beam (1) and the U-shaped connecting plate (4) by fillet welding on site; Step 5: Backfilling the opening: After the construction is completed, the opening (5) is backfilled with concrete one level higher than the concrete wall.

4. The construction method of a connection device in which a steel beam is placed in a concrete wall afterward according to claim 3 is characterized in that: The lifting mechanical equipment comprises a frame (6), a clamping mechanism (7), a movable plate (8), a cylinder 1 (9) and a guide rail (10), wherein two guide rails (10) are symmetrically installed on the top of the frame (6), a movable plate (8) is slidably connected to the guide rail (10), one side of the movable plate (8) is connected to the piston rod of the cylinder 2 (11), and the cylinder 2 (11) is fixedly installed on the top of the frame (6) and is arranged parallel to the guide rail (10); A cylinder 1 (9) is fixedly installed at the top center of the movable plate (8), a piston rod of the cylinder 1 (9) penetrates the movable plate (8) and is connected to the lifting plate (12), and a clamping mechanism (7) is fixedly installed at the bottom of the lifting plate (12); The clamping mechanism (7) comprises a connecting block (72), the top of which is connected to the lifting plate (12), a crossbeam (74) being fixedly mounted on the bottom of the connecting block (72), two pillars (77) being symmetrically mounted on the bottom of the crossbeam (74), a fixing plate 2 (82) being fixedly mounted on the bottom of the pillars (77), a cylinder 5 (78) being fixedly mounted at the top center of the fixing plate 2 (82), a piston rod of the cylinder 5 (78) penetrating the fixing plate 2 (82) at the bottom to be connected to the lifting mounting plate (80), a guide rod 2 (81) being symmetrically mounted on both ends of the top of the lifting mounting plate (80), the other end of the top of the guide rod 2 (81) penetrating the fixing plate 2 (82) to be connected to the U-shaped limiting plate (79), and a vertical plate being arranged on one side of the lifting mounting plate (80).

5. The construction method of a connection device in which a steel beam is placed in a concrete wall afterward according to claim 4, characterized in that: The cross beam (74) is symmetrically mounted with cylinder three (71), and the outer sides of the piston rods of the two cylinder threes (71) are movably connected with a tripod (73), and the tripod (73) is a hollow structure. The tripod (73) is sleeved on the cross beam (74) and slidably connected with the cross beam (74). A clamping arm (75) is fixedly mounted at the bottom of the tripod (73), and a gear box (83) is fixedly mounted at the bottom of the clamping arm (75). The outer sides of the two clamping arms (75) are movably connected with cylinder four (76), and the cylinder four (76) is tilted. A Z-shaped rocker (85) is sleeved on the piston of the cylinder four (76), and the Z-shaped rocker (85) is The other end is connected to the eccentric hole of the eccentric arc gear (87); the gear box (83) is provided with an arc hole (84) for the Z-shaped rocker (85) to rotate; the eccentric arc gear (87) is meshedly connected with the circular gear (86); the eccentric arc gear (87) and the circular gear (86) are both rotatably arranged in the gear box (83); one end of the circular gear (86) is connected to a threaded sleeve (88) through a rotating shaft; the other end of the threaded sleeve (88) is rotatably connected to one side of the inner wall of the gear box (83); a threaded rod (89) is threadedly connected to the inside of the threaded sleeve (88); the other end of the threaded rod (89) extends to the outside of the gear box (83).

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