Lifting equipment for post-cast fabricated structure and construction method of lifting equipment

Abstract

The invention discloses lifting equipment for a post-cast fabricated structure and a construction method of the lifting equipment, and relates to the technical field of building construction. The device comprises a positioning plate, two U-shaped frames are fixedly connected to the upper side of the positioning plate, sliding sleeves are in sliding fit with the upper sides of the U-shaped frames, a connecting plate is fixedly connected to the opposite sides of the two sliding sleeves, a sliding shell is in sliding fit with the connecting plate, and a lifting ring is fixedly connected to the upper side of the sliding shell. The U-shaped frame and the connecting plate are arranged, a pull plate is pulled to drive a limiting block to be separated from a limiting groove, longitudinal adjustment of the sliding shell is achieved, then a rotary knob is rotated, under transmission of a worm and a worm wheel, a threaded rod drives a driving plate to move, a clamping rod is driven to be separated from a clamping groove, the sliding shell slides to move on the connecting plate, and transverse adjustment of the hanging ring is achieved; and therefore, accurate positioning of a hoisting point is realized, the equipment can hoist objects with different rules, and the hoisting balance and stability are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of building construction, and in particular relates to a lifting device for a post-cast assembled structure and a construction method thereof. Background Art

[0002] Post-cast prefabricated structure refers to a construction method in which connection areas are reserved between precast concrete components, and the connection between components is achieved by pouring concrete on site to form an overall structure. Post-cast prefabricated structure needs to be hoisted using lifting equipment when in use.

[0003] A Chinese patent with application number CN202420086585.2 discloses a lifting device for prefabricated building construction, specifically relating to the technical field of lifting equipment, including a base, a protective pad is provided at the bottom of the base, the protective pad is made of rubber material, a plurality of washers are evenly provided on the top of the base, the plurality of washers are all made of rubber material, a bolt is provided on the top of the washer, one end of the bolt passes through the base and the protective pad in sequence and extends to the outside of the protective pad, a tower crane is provided at the center line of the top of the base, and a connecting mechanism is provided at the bottom of the tower crane.

[0004] In the above-mentioned prior art, a connecting mechanism is provided so that when the equipment is hoisting the prefabricated building, the prefabricated building can be connected to multiple points through the connecting mechanism before hoisting, thereby improving the hoisting stability. However, in actual use, when hoisting irregularly shaped objects, in order to ensure that the forces acting on each hoisting point are close, the lifting point needs to be adjusted to ensure the balance and stability of the hoisted object in the air. The lifting point of the above-mentioned scheme is fixed in the center, and there is a certain hoisting risk when hoisting irregularly shaped objects.

[0005] In view of this, the present invention is proposed. Summary of the invention

[0006] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a lifting device for a post-cast assembled structure and a construction method thereof.

[0007] In order to solve the above technical problems, the basic concept of the technical solution adopted by the present invention is:

[0008] A lifting device for a post-cast assembled structure and a construction method thereof, comprising: a positioning plate, two U-shaped frames are fixedly connected to the upper side of the positioning plate, a sliding sleeve is slidably matched with the upper side of the U-shaped frame, a connecting plate is fixedly connected to the opposite side of the two sliding sleeves, a sliding shell is slidably matched with the connecting plate, a lifting ring is fixedly connected to the upper side of the sliding shell, a plurality of positioning seats are arranged on the lower side of the positioning plate, and a connecting assembly is arranged on the lower side of the positioning seat;

[0009] The inner wall of the sliding shell is provided with an installation groove, the inner wall of the installation groove is rotatably matched with a threaded rod, one side of the inner wall of the installation groove is rotatably matched with a worm, a worm wheel is fixedly connected to the threaded rod, a driving plate is threadedly matched on the threaded rod, a plurality of clamping rods are fixedly connected to the lower side of the driving plate, and a plurality of clamping grooves are provided on the connecting plate.

[0010] By setting up a U-shaped frame and a connecting plate, the pull plate is pulled to drive the limit block to separate from the limit slot, thereby realizing the longitudinal adjustment of the sliding shell, and then the knob is turned, and the threaded rod drives the driving plate to move through the transmission of the worm and worm gear, driving the clamping rod to separate from the clamping slot, and then the sliding shell is slid on the connecting plate to realize the lateral adjustment of the lifting ring, thereby realizing the precise positioning of the lifting point, so that the equipment can be used for lifting objects with different rules, increasing the balance and stability of the lifting.

[0011] Preferably, the worm and the worm wheel are meshingly connected, and the clamping rod and the clamping groove are matched.

[0012] Preferably, a knob is fixedly connected to the end of the worm, a connecting plate is fixedly connected to the knob, a torsion spring is sleeved on the worm, one end of the torsion spring is fixedly connected to one side of the connecting plate, and the other end of the torsion spring is fixedly connected to the inner wall of the mounting groove.

[0013] Preferably, the connecting assembly includes a steel wire rope fixedly connected to the lower side of the positioning seat, the lower end of the steel wire rope is fixedly connected to a connecting block, the lower side of the connecting block is rotatably engaged with a hook, and one side of the hook is rotatably and elastically engaged with a safety plate.

[0014] Preferably, the length of the steel wire rope is adjustable, the positioning seat and the positioning plate are threadedly matched, and can be detachably positioned.

[0015] Preferably, two receiving grooves are provided on the connecting plate, and the inner walls of the receiving grooves are slidably and elastically matched with pull plates.

[0016] Preferably, the opposite sides of the two pull plates are fixedly connected with limit blocks, which are slidably fitted on the inner wall of the U-shaped frame. The opposite sides of the two U-shaped frames are provided with a plurality of limit grooves, and the limit blocks cooperate with the limit grooves.

[0017] A construction method for a post-cast assembled structure lifting device, comprising the post-cast assembled structure lifting device described above, is specifically performed as follows:

[0018] When in use, by setting up a U-shaped frame and a connecting plate, pull the pull plate to drive the limit block to separate from the limit slot, so as to achieve longitudinal adjustment of the sliding shell, and then turn the knob, through the transmission of the worm and the worm gear, the threaded rod drives the driving plate to move, driving the clamping rod to separate from the clamping slot, and then slide the sliding shell on the connecting plate to achieve lateral adjustment of the lifting ring, thereby achieving precise positioning of the lifting point, so that the equipment can be used for lifting objects of different rules, and the balance and stability of the lifting are increased;

[0019] When it is necessary to hoist the assembly, the connection assembly is connected to the lifting point on the assembly, and then the knob is turned, the knob drives the worm to rotate, and under the transmission of the worm gear meshing with it, the threaded rod is rotated, driving the driving plate to rise, so that the clamping rod is separated from the clamping slot, the limit of the sliding shell is cancelled, and the sliding shell is pulled to move to the required position, and the knob is loosened. Under the rotation of the torsion spring, the worm is driven to rotate, so that the clamping rod is connected to the clamping slot, and the sliding shell is re-limited to achieve the lateral adjustment of the sliding shell on the connecting plate, and the two pull plates are pulled to separate the limit block from the limit slot, and the connecting plate is pushed to slide on the positioning plate to achieve the longitudinal adjustment of the sliding shell;

[0020] The hook is connected to the lifting point on the object. When the hook is connected to the lifting ear, the safety plate is squeezed and rotated. When the connection is completed, the safety plate rebounds to achieve connection with the lifting ear. According to actual use, the positioning seat is repositioned and connected, and the wire rope is adjusted to the required length.

[0021] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art. Of course, any product implementing the present invention does not necessarily need to achieve all the advantages described below at the same time:

[0022] By setting up a U-shaped frame and a connecting plate, the pull plate is pulled to drive the limit block to separate from the limit slot, thereby realizing the longitudinal adjustment of the sliding shell, and then the knob is turned, and the threaded rod drives the driving plate to move through the transmission of the worm and worm gear, driving the clamping rod to separate from the clamping slot, and then the sliding shell is slid on the connecting plate to realize the lateral adjustment of the lifting ring, thereby realizing the precise positioning of the lifting point, so that the equipment can be used for lifting objects with different rules, increasing the balance and stability of the lifting.

[0023] The specific implementation modes of the present invention are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described below are only some embodiments. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. In the drawings:

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

[0026] Figure 2 This is a schematic diagram of the positioning plate structure according to an embodiment of the present invention;

[0027] Figure 3 It is a schematic diagram of the cross-sectional structure of a connecting plate according to an embodiment of the present invention;

[0028] Figure 4It is a schematic diagram of the cross-sectional structure of a sliding shell according to an embodiment of the present invention;

[0029] Figure 5 A schematic diagram of a worm connection structure according to an embodiment of the present invention;

[0030] Figure 6 It is a schematic diagram of the structure of a connection component according to an embodiment of the present invention.

[0031] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0032] 1. Positioning plate; 2. U-shaped frame; 3. Sliding sleeve; 4. Connecting plate; 5. Sliding shell; 6. Lifting ring; 7. Positioning seat; 8. Connecting assembly; 81. Wire rope; 82. Connecting block; 83. Hook; 84. Safety sheet; 9. Mounting slot; 10. Threaded rod; 11. Worm; 12. Knob; 13. Worm gear; 14. Connecting sheet; 15. Torsion spring; 16. Driving plate; 17. Clamping rod; 18. Clamping slot; 19. Storage slot; 20. Pull plate; 21. Limiting block; 22. Limiting slot.

[0033] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but are intended to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0034] To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.

[0035] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention claimed for protection, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0036] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0037] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0038] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the invention product is usually placed when in use, or the orientation or positional relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0039] For details, please refer to Figure 1-6 As shown, in this embodiment, a lifting device for a post-cast assembled structure and a construction method thereof are provided, including: a positioning plate 1, two U-shaped frames 2 are fixedly connected to the upper side of the positioning plate 1, a sliding sleeve 3 is slidably matched with the upper side of the U-shaped frame 2, a connecting plate 4 is fixedly connected to the opposite side of the two sliding sleeves 3, a sliding shell 5 is slidably matched with the connecting plate 4, a lifting ring 6 is fixedly connected to the upper side of the sliding shell 5, a plurality of positioning seats 7 are arranged on the lower side of the positioning plate 1, and a connecting assembly 8 is arranged on the lower side of the positioning seat 7;

[0040] The inner wall of the sliding shell 5 is provided with a mounting groove 9, the inner wall of the mounting groove 9 is rotatably fitted with a threaded rod 10, one side of the inner wall of the mounting groove 9 is rotatably fitted with a worm 11, a worm wheel 13 is fixedly connected to the threaded rod 10, a driving plate 16 is threadedly fitted on the threaded rod 10, a plurality of clamping rods 17 are fixedly connected to the lower side of the driving plate 16, and a plurality of clamping grooves 18 are provided on the connecting plate 4.

[0041] By setting the U-shaped frame 2 and the connecting plate 4, the pull plate 20 is pulled to drive the limit block 21 to separate from the limit groove 22, so as to realize the longitudinal adjustment of the sliding shell 5, and then the knob 12 is turned, and the threaded rod 10 drives the driving plate 16 to move under the transmission of the worm 11 and the worm wheel 13, so as to drive the clamping rod 17 to separate from the clamping groove 18, and then the sliding shell 5 is slid on the connecting plate 4 to realize the lateral adjustment of the lifting ring 6, thereby realizing the precise positioning of the lifting point, so that the equipment can be used for lifting objects with different rules, and the balance and stability of the lifting are increased.

[0042] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0043] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0044] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0045] Example 1

[0046] Please refer to Figure 1-6 A lifting device for a post-cast assembled structure and a construction method thereof, comprising: a positioning plate 1, two U-shaped frames 2 are fixedly connected to the upper side of the positioning plate 1, a sliding sleeve 3 is slidably matched on the upper side of the U-shaped frame 2, a connecting plate 4 is fixedly connected to the opposite side of the two sliding sleeves 3, a sliding shell 5 is slidably matched on the connecting plate 4, a lifting ring 6 is fixedly connected to the upper side of the sliding shell 5, a plurality of positioning seats 7 are arranged on the lower side of the positioning plate 1, and a connecting assembly 8 is arranged on the lower side of the positioning seat 7; an installation groove 9 is provided on the inner wall of the sliding shell 5, a threaded rod 10 is rotatably matched on the inner wall of the installation groove 9, a worm 11 is rotatably matched on one side of the inner wall of the installation groove 9, a worm wheel 13 is fixedly connected to the threaded rod 10, a driving plate 16 is threadedly matched on the threaded rod 10, a plurality of clamping rods 17 are fixedly connected to the lower side of the driving plate 16, and a plurality of clamping grooves 18 are provided on the connecting plate 4. The worm 11 is meshedly connected with the worm wheel 13, and the clamping rod 17 is matched with the clamping groove 18. The end of the worm 11 is fixedly connected with a knob 12, and a connecting piece 14 is fixedly connected to the knob 12. A torsion spring 15 is sleeved on the worm 11, and one end of the torsion spring 15 is fixedly connected to one side of the connecting piece 14, and the other end of the torsion spring 15 is fixedly connected to the inner wall of the mounting groove 9. Two receiving grooves 19 are provided on the connecting plate 4, and a pull plate 20 is slidably and elastically matched on the inner wall of the receiving groove 19. The opposite sides of the two pull plates 20 are fixedly connected with a limiting block 21, and the limiting block 21 is slidably matched on the inner wall of the U-shaped frame 2. A plurality of limiting grooves 22 are provided on the opposite sides of the two U-shaped frames 2, and the limiting blocks 21 are matched with the limiting grooves 22.

[0047] Implementation process: When it is necessary to hoist the assembly, use the connecting component 8 to connect with the lifting point on the assembly, and then turn the knob 12. The knob 12 drives the worm 11 to rotate. Under the transmission of the worm wheel 13 meshing with it, the threaded rod 10 is rotated to drive the driving plate 16 to rise, so that the clamping rod 17 is separated from the clamping slot 18, and the limit of the sliding shell 5 is cancelled. The sliding shell 5 is pulled to move to the desired position, and the knob 12 is released. Under the rotation of the torsion spring 15, the worm 11 is driven to rotate, so that the clamping rod 17 is connected with the clamping slot 18, and the sliding shell 5 is re-limited to realize the lateral adjustment of the sliding shell 5 on the connecting plate 4. The two pull plates 20 are pulled to separate the limit block 21 from the limit slot 22, and the connecting plate 4 is pushed to slide on the positioning plate 1 to realize the longitudinal adjustment of the sliding shell 5.

[0048] Implementation benefits: It is easy to adjust the position of the lifting ring 6, realize accurate positioning of the lifting point, and improve the balance and stability of the object during lifting.

[0049] Example 2

[0050] The connecting assembly 8 includes a steel wire rope 81 fixedly connected to the lower side of the positioning seat 7, a connecting block 82 fixedly connected to the lower end of the steel wire rope 81, a hook 83 rotatably matched to the lower side of the connecting block 82, and a safety sheet 84 rotatably and elastically matched to one side of the hook 83. The length of the steel wire rope 81 is adjustable, and the positioning seat 7 and the positioning plate 1 are threadedly matched and can be detachably positioned.

[0051] Implementation process: Use the hook 83 to connect with the lifting point on the object. When the hook 83 is connected with the lifting ear, squeeze the safety piece 84 to rotate. When the connection is completed, the safety piece 84 rebounds to achieve connection with the lifting ear. According to actual use, the positioning seat 7 is repositioned and connected, and the wire rope 81 is adjusted to the required length.

[0052] Implementation benefits: It is easy to connect the assembly structure, and can be adjusted and positioned according to the hoisted objects, increasing the scope of use of the equipment.

[0053] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A lifting device for a post-cast assembled structure, characterized in that: include: A positioning plate (1), wherein two U-shaped frames (2) are fixedly connected to the upper side of the positioning plate (1), a sliding sleeve (3) is slidably matched to the upper side of the U-shaped frame (2), a connecting plate (4) is fixedly connected to the opposite side of the two sliding sleeves (3), a sliding shell (5) is slidably matched to the connecting plate (4), a lifting ring (6) is fixedly connected to the upper side of the sliding shell (5), a plurality of positioning seats (7) are arranged on the lower side of the positioning plate (1), and a connecting assembly (8) is arranged on the lower side of the positioning seat (7); The inner wall of the sliding shell (5) is provided with a mounting groove (9), the inner wall of the mounting groove (9) is rotatably matched with a threaded rod (10), one side of the inner wall of the mounting groove (9) is rotatably matched with a worm (11), the threaded rod (10) is fixedly connected with a worm wheel (13), the threaded rod (10) is threadably matched with a driving plate (16), a plurality of clamping rods (17) are fixedly connected to the lower side of the driving plate (16), and a plurality of clamping grooves (18) are provided on the connecting plate (4).

2. A lifting device for a post-cast assembled structure according to claim 1, characterized in that: The worm (11) is meshedly connected with the worm wheel (13), and the clamping rod (17) is matched with the clamping groove (18).

3. The lifting device for post-cast assembled structure according to claim 1, characterized in that: The end of the worm (11) is fixedly connected to a knob (12), a connecting piece (14) is fixedly connected to the knob (12), a torsion spring (15) is sleeved on the worm (11), one end of the torsion spring (15) is fixedly connected to one side of the connecting piece (14), and the other end of the torsion spring (15) is fixedly connected to the inner wall of the mounting groove (9).

4. The lifting device for post-cast assembled structure according to claim 1, characterized in that: The connecting assembly (8) comprises a steel wire rope (81) fixedly connected to the lower side of the positioning seat (7); the lower end of the steel wire rope (81) is fixedly connected to a connecting block (82); the lower side of the connecting block (82) is rotatably engaged with a hook (83); one side of the hook (83) is rotatably and elastically engaged with a safety sheet (84).

5. The lifting device for post-cast assembled structure according to claim 4, characterized in that: The length of the steel wire rope (81) is adjustable, and the positioning seat (7) and the positioning plate (1) are threadedly matched and can be disassembled and positioned.

6. The lifting device for post-cast assembled structure according to claim 1, characterized in that: Two receiving grooves (19) are provided on the connecting plate (4), and the inner walls of the receiving grooves (19) are slidably and elastically matched with a pull plate (20).

7. A lifting device for a post-cast assembled structure according to claim 6, characterized in that: The opposite sides of the two pull plates (20) are fixedly connected to limit blocks (21), which are slidably fitted on the inner wall of the U-shaped frame (2). The opposite sides of the two U-shaped frames (2) are provided with a plurality of limit grooves (22), and the limit blocks (21) are fitted with the limit grooves (22).

8. A construction method for a lifting device for a post-cast assembled structure, characterized in that: The lifting device for the post-cast assembled structure according to claim 1 is specifically operated as follows: When in use, by setting the U-shaped frame (2) and the connecting plate (4), the pull plate (20) is pulled to drive the limit block (21) to separate from the limit groove (22), thereby realizing longitudinal adjustment of the sliding shell (5), and then the knob (12) is turned, and the threaded rod (10) drives the driving plate (16) to move under the transmission of the worm (11) and the worm wheel (13), driving the clamping rod (17) to separate from the clamping groove (18), and then the sliding shell (5) is slid on the connecting plate (4) to realize transverse adjustment of the lifting ring (6), thereby realizing accurate positioning of the lifting point, so that the equipment can be used for lifting objects with different rules, and the balance and stability of the lifting are increased; When the assembly part needs to be hoisted, the connection assembly (8) is connected to the lifting point on the assembly part, and then the knob (12) is turned, and the knob (12) drives the worm (11) to rotate. Under the transmission of the worm wheel (13) meshing with it, the threaded rod (10) is rotated, driving the driving plate (16) to rise, so that the clamping rod (17) is separated from the clamping groove (18), the limit of the sliding shell (5) is cancelled, and the sliding shell (5) is pulled to move to the required position. The knob (12) is released, and the worm (11) is driven to rotate under the rotation of the torsion spring (15), so that the clamping rod (17) is connected with the clamping groove (18), and the sliding shell (5) is re-limited to achieve the lateral adjustment of the sliding shell (5) on the connecting plate (4). The two pull plates (20) are pulled to separate the limit block (21) from the limit groove (22), and the connecting plate (4) is pushed to slide on the positioning plate (1), so as to achieve the longitudinal adjustment of the sliding shell (5); The hook (83) is connected to the lifting point on the object. When the hook (83) is connected to the lifting ear, the safety sheet (84) is squeezed to rotate. When the connection is completed, the safety sheet (84) rebounds to achieve the connection with the lifting ear. According to actual use, the positioning seat (7) is repositioned and connected, and the wire rope (81) is adjusted to a required length.

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