Adjustable hoisting tool for steel bar truss floor support plate

Abstract

The utility model discloses an adjustable hoisting tool for a steel bar truss floor support plate, which belongs to the technical field of hoisting tools and comprises a hoisting frame, two sliding plates are respectively arranged on two side surfaces of the hoisting frame in a sliding manner, rotating shafts are arranged on opposite side surfaces of every two sliding plates, movable blocks are sleeved on the peripheral sides of the two rotating shafts, and an electric push rod is mounted on the inner top surface of the hoisting frame. The output end of the electric push rod is hinged to two hinged plates through a transverse plate, the free ends of the two hinged plates are hinged to the two movable blocks correspondingly, the peripheral sides of the two rotating shafts are fixedly sleeved with two winding rollers correspondingly, and a steel wire lifting rope is wound around the peripheral side of each winding roller. The free ends of every two steel wire lifting ropes are connected with lifting hooks used for lifting the steel bar truss floor support plate, and two vertical plates are symmetrically welded to the inner bottom face of the lifting frame. According to the adjustable hoisting tool for the steel bar truss floor support plates, the problem that the steel bar truss floor support plates with different sizes are inconvenient to hoist is solved, and the hoisting efficiency of the steel bar truss floor support plates is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of hoisting tools, in particular to an adjustable steel bar truss floor deck hoisting tool. Background Art

[0002] A truss made of steel bars as the upper chord, lower chord and web members connected by resistance spot welding is called a steel truss. The combined load-bearing plate formed by the steel truss and the bottom plate being connected as a whole by resistance spot welding is called a steel truss floor deck. When installing the steel truss floor deck, lifting tools are required to lift it. However, most of the current lifting tools can only meet the needs of steel truss floor decks of a limited size. Since different steel truss floor decks have different sizes, it is difficult to meet the lifting requirements of steel truss floor decks of different sizes, thereby reducing the efficiency of lifting the steel truss floor deck.

[0003] For example, the existing Chinese publication number CN221543820U describes a steel truss floor deck hoisting device: "A rectangular hanging frame is formed by symmetrical longitudinal and transverse beams. Longitudinal and transverse struts are fixed within the hanging frame. Vertical columns are fixed below the four corners of the hanging frame and below the midpoints of the two longitudinal beams to form the hoisting device framework."

[0004] It can be seen that the cited patent document has the problem of being inconvenient to hoist steel truss floor decks of different sizes. Utility Model Content

[0005] The purpose of the utility model is to provide an adjustable steel bar truss floor deck hoisting tool to solve the problems raised in the background technology.

[0006] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion.

[0007] Preferably, an L-shaped connecting frame is welded to one side of one of the slides, and a fixing plate is welded to one side of the other slide.

[0008] Preferably, one end of one of the rotating shafts passes through a side surface of the connecting frame, and first conical teeth are provided on one end of the rotating shaft and the circumference of the other rotating shaft.

[0009] Preferably, round blocks are provided through one side surface of the connecting frame and one side surface of the fixing plate, and opposite ends of the two round blocks are respectively connected to second conical teeth that mesh with the first conical teeth.

[0010] Preferably, a clamping block is welded on one side of one of the round blocks, and a clamping groove adapted to the clamping block is opened on one side of the other round block.

[0011] Preferably, a through hole for the rotation shaft to pass through is opened on one side surface of the two movable blocks, and a plurality of bearings are provided in the inner cavities of the two through holes.

[0012] Preferably, the outer side walls of the plurality of bearings are respectively connected and fixed to the inner side walls of the through hole, and one end of the two rotating shafts respectively passes through the plurality of bearings and is connected and fixed to the inner side walls of the bearings.

[0013] Compared with the prior art, the technical effects and advantages of this utility model are:

[0014] The adjustable steel truss floor deck lifting tool is powered by an electric push rod to provide power for the two hinged plates to move downward, thereby realizing the lateral movement of the two movable blocks, and then changing the distance between multiple hooks, making it convenient to lift steel truss floor decks of different sizes. Compared with the existing device for lifting steel truss floor decks, the device can change the position of the hook to lift steel truss floor decks of different sizes, thereby improving the efficiency of lifting steel truss floor decks.

[0015] The two welded vertical plates and connecting plates can limit the movement of the movable block to prevent the movable block from rotating around the rotating shaft. The through hole and the bearing fixed to the inner wall of the through hole can not only allow the rotating shaft to rotate in the inner cavity of the movable block, but also support the position of the rotating shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2It is a cross-sectional view of the hanging frame of the utility model;

[0019] Figure 3 This is a structural diagram of the movable block and hinged plate of the utility model;

[0020] Figure 4 A top view of the first conical tooth and the second conical tooth of the present invention;

[0021] Figure 5 This is a structural diagram of the card slot and card block of the utility model;

[0022] Figure 6 For the utility model Figure 3 Schematic diagram of the structure at point A.

[0023] Description of reference numerals:

[0024] In the figure: 1. Lifting frame; 2. Slide plate; 3. Rotating shaft; 4. Movable block; 5. Electric push rod; 6. Hinge plate; 7. Winding roller; 8. Steel wire rope; 9. Hook; 10. Vertical plate; 11. Connecting plate; 12. Connecting frame; 13. Fixed plate; 14. First conical tooth; 15. Round block; 16. Second conical tooth; 17. Slot; 18. Block; 19. Through hole; 20. Bearing. DETAILED DESCRIPTION

[0025] In the following description, numerous specific details are provided to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features known in the art are not described to avoid confusion with the present invention.

[0026] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside shown in the figures of the present invention, and are explained here together.

[0027] The connection method can be bonding, welding, bolt connection, etc., which shall be based on actual needs.

[0028] like Figures 1 to 6 An adjustable steel truss floor deck lifting tool shown in the figure includes a lifting frame 1, and a slide groove is respectively penetrated on both sides of the lifting frame 1. Two slide plates 2 are respectively slidably provided on both sides of the lifting frame 1, and multiple slide plates 2 are respectively located in the inner cavity of the slide groove, and the inner bottom surface and the inner top surface of the slide groove are provided with limit grooves, and the top and bottom surfaces of each slider are provided with limit blocks that are slidably adapted to the limit groove, so that each slide plate 2 can be restricted in the inner cavity of the slide groove.

[0029] A rotating shaft 3 is provided on the opposite side of each two slides 2, and a movable block 4 is sleeved on the circumference of the two rotating shafts 3. An electric push rod 5 is installed on the inner top surface of the lifting frame 1. The output end of the electric push rod 5 is hinged to two hinged plates 6 through a cross plate. The free ends of the two hinged plates 6 are hinged to the two movable blocks 4 respectively. By turning on the electric push rod 5, the two hinged plates 6 can be driven to move downward through the cross plate. Since the initial state of the two hinged plates 6 is inclined, when the two hinged plates 6 move downward, they will push the two movable blocks 4 to move in opposite directions. Conversely, when the electric push rod 5 drives the hinged plates 6 to move upward, the two movable blocks 4 can be pulled, so that the two movable blocks 4 can move in relative directions.

[0030] Two winding rollers 7 are fixedly mounted on the circumference of the two rotating shafts 3, and a steel wire rope 8 is wound on the circumference of each winding roller 7. The free ends of the two steel wire ropes 8 are connected to hooks 9 for lifting the steel truss floor deck. When the two movable blocks 4 move in relative or opposite directions, they will drive the rotating shaft 3 to move respectively, so that the rotating shaft 3 can synchronously drive the hooks 9 to move through the winding rollers 7 and the steel wire ropes 8, thereby changing the distance between the two hooks 9, so that steel truss floor decks of different sizes can be lifted, thereby improving the efficiency of lifting the steel truss floor deck.

[0031] Two vertical plates 10 are symmetrically welded to the inner bottom surface of the lifting frame 1, and a connecting plate 11 is welded to the opposite side of the two vertical plates 10. The two movable blocks 4 are slidably mounted on the peripheral side of the connecting plate 11. When the two movable blocks 4 move, they will move on the peripheral side of the connecting plate 11, which can limit the two movable blocks 4 to prevent them from rotating around the rotating shaft 3.

[0032] An L-shaped connecting frame 12 is welded to one side of one of the skateboards 2, and a fixing plate 13 is welded to one side of the other skateboard 2. A motor is installed on the side of the skateboard 2 welded to the fixing plate 13. The output end of the motor passes through the skateboard 2 and is connected to one end of the rotating shaft 3, which can provide power for the rotation of the rotating shaft 3, so that the steel wire rope 8 can be wound into the winding roller 7, thereby realizing the upward movement of the steel truss floor deck.

[0033] One end of one of the rotating shafts 3 passes through one side of the connecting frame 12, and one end of the rotating shaft 3 and the circumference of the other rotating shaft 3 are both provided with a first conical tooth 14, and one side of the connecting frame 12 and one side of the fixing plate 13 are both penetrated by a round block 15, and the opposite ends of the two round blocks 15 are respectively connected to a second conical tooth 16 that meshes with the first conical tooth 14, and one side of one round block 15 is welded with a clamping block 18, and one side of the other round block 15 is provided with a clamping groove 17 that adapts to the clamping block 18. When it is necessary to rotate the rotating shaft 3 and reel in the wire rope 8, the motor is turned on, and the motor drives one of the rotating shafts 3 to rotate, so that the rotating shaft 3 can drive one of the first conical teeth 14 to rotate When the first conical tooth 14 rotates, it will drive one of the second conical teeth 16 to rotate, so that the second conical tooth 16 drives the round block 15 to rotate, and when the round block 15 rotates, it will drive another round block 15 to rotate through the clamping block 18 and the clamping slot 17, so that the other round block 15 can drive another second conical tooth 16 to rotate, and then the second conical tooth 16 drives another first conical tooth 14 to rotate, thereby driving another rotating shaft 3 to rotate, so that the two rotating shafts 3 can rotate synchronously, and then synchronously drive the winding roller 7 to rotate, so that the wire rope 8 can be wound or loosened, and then drive the hook 9 to move up and down, and the steel truss floor deck is hoisted.

[0034] A slot 17 is also provided on one side of the second conical tooth 16 connected to the round block 15 with the slot 17, and the block 18 can move in the inner cavity of the slot 17. The block 18 and the slot 17 are both arranged in a diamond shape, so that when the two movable blocks 4 drive the two rotating shafts 3 to move in relative or opposite directions, the block 18 can move in the inner cavity of the slot 17, ensuring that after the distance between the two rotating shafts 3 is adjusted, the motor can still drive the two rotating shafts 3 to rotate synchronously.

[0035] One side of the two movable blocks 4 is provided with a through hole 19 for the rotating shaft 3 to pass through. The inner cavity of the two through holes 19 is provided with a plurality of bearings 20. The outer walls of the plurality of bearings 20 are respectively connected and fixed to the inner wall of the through hole 19. One end of the two rotating shafts 3 passes through the plurality of bearings 20 and is respectively connected and fixed to the inner wall of the bearing 20, so that when the rotating shaft 3 rotates, it will drive the inner ring of the bearing 20 to rotate, which can not only support the position of the rotating shaft 3 and the movable block 4, but also assist the rotating shaft 3 to rotate in the inner cavity of the through hole 19.

[0036] The two side surfaces of the connecting frame 12 and one side surface of the fixed plate 13 are also provided with through holes 19 and bearings 20 with the same connection structure as one side surface of the movable block 4, which can support the position of the rotating shaft 3 and the two round blocks 15 and assist their rotation.

[0037] Working principle:

[0038] The adjustable steel truss floor deck hoisting tool is used to install the hoisting frame 1 in the required working area to hoist the steel truss floor deck. If the steel truss floor deck to be hoisted is of different sizes, the electric push rod 5 is turned on. The electric push rod 5 drives the two hinged plates 6 to move downward through the cross plate. Since the two hinged plates 6 are initially tilted, the two hinged plates 6 will push the two movable blocks 4 to move in opposite directions when they move downward, thereby driving the two rotating shafts 3 to move, which can be achieved through the winding rollers 7 and The steel wire rope 8 drives the hook 9 to move, thereby expanding the distance between the two hooks 9. Conversely, when the electric push rod 5 drives the hinged plate 6 to move upward, the two movable blocks 4 can be pulled, so that the two movable blocks 4 can move in relative directions, and then the two hooks 9 are driven to move in relative directions through the rotating shaft 3, the winding roller 7 and the steel wire rope 8, thereby shortening the distance between the two hooks 9. The distance between the two hooks 9 can be adjusted according to the size of different steel truss floor decks, thereby lifting steel truss floor decks of different sizes.

[0039] It should be noted that, in this article, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "including an element defined by ... does not exclude the presence of other identical elements in the process, method, article or device that includes the element."

[0040] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable steel truss floor deck hoisting tool, comprising a hoisting frame (1), characterized in that: Two slide plates (2) are slidably provided on the two side surfaces of the hanging frame (1), and a rotating shaft (3) is provided on the opposite side of each of the two slide plates (2). A movable block (4) is sleeved on the circumference of the two rotating shafts (3). An electric push rod (5) is installed on the inner top surface of the hanging frame (1). The output end of the electric push rod (5) is hinged to two hinge plates (6) through a horizontal plate. The free ends of the two hinge plates (6) are hinged to the two movable blocks (4) respectively. The two rotating shafts (3) Two winding rollers (7) are fixedly sleeved on the circumference of each winding roller (7), a steel wire rope (8) is wound on the circumference of each winding roller (7), and the free ends of each of the two steel wire ropes (8) are connected to a hook (9) for lifting the steel truss floor deck. Two vertical plates (10) are symmetrically welded on the inner bottom surface of the lifting frame (1), and a connecting plate (11) is welded on the opposite side of the two vertical plates (10). The two movable blocks (4) are slidably sleeved on the circumference of the connecting plate (11).

2. The adjustable steel bar truss floor deck lifting tool according to claim 1, characterized in that: An L-shaped connecting frame (12) is welded to one side of one of the slides (2), and a fixing plate (13) is welded to one side of the other slide (2).

3. The adjustable steel bar truss floor deck hoisting tool according to claim 2, characterized in that: One end of one of the rotating shafts (3) passes through a side surface of the connecting frame (12), and first conical teeth (14) are provided on one end of the rotating shaft (3) and the circumference of the other rotating shaft (3).

4. The adjustable steel bar truss floor deck hoisting tool according to claim 3, characterized in that: A round block (15) is provided through one side of the connecting frame (12) and one side of the fixing plate (13), and opposite ends of the two round blocks (15) are respectively connected to a second conical tooth (16) meshing with the first conical tooth (14).

5. The adjustable steel bar truss floor deck hoisting tool according to claim 4, characterized in that: A clamping block (18) is welded to one side of one of the round blocks (15), and a clamping groove (17) adapted to the clamping block (18) is provided on one side of the other round block (15).

6. The adjustable steel bar truss floor deck hoisting tool according to claim 1, characterized in that: A through hole (19) for the rotating shaft (3) to pass through is provided on one side of the two movable blocks (4), and a plurality of bearings (20) are provided in the inner cavities of the two through holes (19).

7. The adjustable steel bar truss floor deck hoisting tool according to claim 6, characterized in that: The outer side walls of the plurality of bearings (20) are respectively connected and fixed to the inner side walls of the through hole (19), and one end of the two rotating shafts (3) respectively passes through the plurality of bearings (20) and is connected and fixed to the inner side walls of the bearings (20).

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