CN222138470U - An adjustable steel truss floor deck hoisting tool - Google Patents

Abstract

The utility model relates to the technical field of hoisting tools, and discloses an adjustable steel truss floor deck hoisting tool, including a hanger, telescopic frames are inserted at the ends of both ends of the hanger, the telescopic frames are slidably installed with the inner wall of the hanger, and the adjacent ends of the telescopic frames are fixedly installed with fixed plates. When the distance of the telescopic frame becomes shorter, the size of the steel wire rope will move upward through the auxiliary rope pulley to support the distance of the steel wire rope. Conversely, the size of the steel wire rope will move downward through the auxiliary rope pulley to support the distance of the steel wire rope. When the size of the telescopic frame is adjusted by the device, the hoisting height of the steel wire rope will not change, thereby avoiding the change of the height of the hoisted steel truss floor deck, affecting the subsequent assembly work, and facilitating the use of the staff.

Description

Adjustable steel bar truss floor carrier plate lifting device

Technical Field

The utility model relates to the technical field of lifting tools, in particular to an adjustable lifting tool for a steel bar truss floor support plate.

Background

The steel bars are used as upper chords, lower chords and web members, the trusses formed by connecting the steel bars through resistance spot welding are called steel bar trusses, and the steel bar trusses and the bottom plate are connected into a whole through resistance spot welding to form a combined bearing plate which is called a steel bar truss floor bearing plate.

The existing lifting tool (bulletin number: CN 220787794U) for the adjustable steel bar truss floor carrier plate has at least the following disadvantages:

When the steel wire rope lifting device is used, the distance between the two movable frames can be adjusted through the bidirectional screw rod, so that lifting adjustment can be performed on the steel bar truss floor support plates with different sizes, the length of the lifting frame can be changed when the lifting frame is adjusted, the length of the lifting frame in the above patent cannot be adjusted synchronously when the lifting frame is adjusted, the lifting height of the steel bar truss floor support plates lifted on the steel wire rope is changed, subsequent assembly is affected, and the steel wire rope lifting device is inconvenient for workers to use.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides an adjustable steel bar truss floor support plate hoisting tool.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides an adjustable steel bar truss building carrier plate lifting device, includes the gallows, the expansion bracket has all been inserted to the tip at gallows both ends, the inner wall slidable mounting of expansion bracket and gallows, the equal fixed mounting of the adjacent one end of expansion bracket has the fixed plate, rotate between the inner wall at the gallows relative both ends and install the worm wheel, the equal fixed mounting of surface that runs through the gallows at the both ends of worm wheel has the lead screw, the lead screw runs through the surface of fixed plate and its threaded connection, two spinal branch vaulting poles are installed in the upper surface symmetry rotation of gallows, two supplementary rope sheave is all installed in the top of bracing piece in the rotation of the top of expansion bracket, the actuating lever is installed in the upper surface rotation of expansion bracket, the top of actuating lever and the surface rotation installation of bracing piece.

As a further scheme of the utility model, a worm is rotatably arranged between the inner walls of the two opposite sides of the hanging bracket, the worm is meshed with a worm wheel, and one end of the worm penetrates through the outer surface of the hanging bracket to be fixedly provided with a knob.

As a further scheme of the utility model, the rope wheels are rotatably arranged at the ends of the telescopic frames, which are far away from each other, steel wire ropes are wound on the outer surfaces of the auxiliary rope wheels and the rope wheels, and lifting hooks are fixedly arranged at the bottom ends of the steel wire ropes.

As a further scheme of the utility model, a winch is fixedly arranged on the upper surface of the hanging bracket, and the other end of the steel wire rope is fixedly arranged with the output end of the winch.

As a further scheme of the utility model, the screw threads of the two screw rods are oppositely arranged, and a limit stop is fixedly arranged at one end of the screw rod, which is far away from the worm wheel.

Compared with the prior art, the utility model has the following beneficial effects:

When the expansion bracket distance is shortened, the size of the steel wire rope can move upwards through the auxiliary rope pulley, the distance of the steel wire rope is supported by the supporting gas, otherwise, the size of the steel wire rope can move downwards through the auxiliary rope pulley, the distance of the steel wire rope is supported by the supporting gas, the hoisting height of the steel wire rope can not be changed when the expansion bracket is adjusted to adjust the size through the device, the change of the height of a hoisted steel bar truss building supporting plate is avoided, the follow-up assembly work is influenced, and the use of workers is facilitated.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an adjustable steel bar truss floor carrier plate lifting tool provided by the utility model;

Fig. 2 is a schematic rear view of a lifting tool for an adjustable steel bar truss floor carrier plate according to the present utility model;

Fig. 3 is a schematic top view of a lifting tool for an adjustable steel bar truss floor carrier plate according to the present utility model;

Fig. 4 is a schematic diagram of an internal structure of an adjustable steel bar truss floor carrier plate lifting tool according to the present utility model.

The hoisting device comprises a hoisting frame 1, a telescopic frame 2, a hoisting machine 3, a hoisting machine 4, a rope pulley 5, a steel wire rope 6, a lifting hook 7, a supporting rod 8, an auxiliary rope pulley 9, a driving rod 10, a screw rod 11, a limit stop block 12, a knob 13, a worm, a 14, a worm wheel 15 and a fixing plate.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "configured to," "connected," and the like are to be construed broadly as, for example, "connected" may be fixedly connected, may be detachably connected, or integrally connected, may be mechanically connected or electrically connected, may be directly connected or indirectly connected through an intermediate medium, and may be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, an adjustable steel bar truss building carrier plate lifting device comprises a lifting frame 1, wherein telescopic frames 2 are inserted into the end parts of two ends of the lifting frame 1, the telescopic frames 2 are slidably mounted on the inner walls of the lifting frame 1, fixed plates 15 are fixedly mounted at the adjacent ends of the telescopic frames 2, worm gears 14 are rotatably mounted between the inner walls of the two opposite ends of the lifting frame 1, screw rods 10 are fixedly mounted on the outer surfaces of the two ends of the worm gears 14 penetrating through the outer surfaces of the lifting frame 1, the screw rods 10 penetrate through the outer surfaces of the fixed plates 15 and are in threaded connection with the outer surfaces of the fixed plates, two supporting rods 7 are symmetrically rotatably mounted on the upper surfaces of the lifting frame 1, auxiliary rope pulleys 8 are rotatably mounted on the top ends of the two supporting rods 7, driving rods 9 are rotatably mounted on the upper surfaces of the telescopic frames 2, and the top ends of the driving rods 9 are rotatably mounted on the outer surfaces of the supporting rods 7.

The driving rod 9 is driven to move through mutual approaching or moving away from the telescopic frame 2, the driving rod 9 drives the supporting rod 7 to support or shrink, the supporting rod 7 drives the auxiliary rope wheel 8 to ascend or descend, when the size is regulated by the telescopic frame 2, the size of the steel wire rope 5 can be increased through the auxiliary rope wheel 8 when the distance of the telescopic frame 2 is shortened, the distance of the steel wire rope 5 is supported by the supporting gas, otherwise, the size of the steel wire rope 5 can be decreased through the auxiliary rope wheel 8, the distance of the steel wire rope 5 is supported by the supporting gas, when the size is regulated by the telescopic frame 2, the lifting height of the steel wire rope 5 can not be changed, the change of the height of a lifting steel bar truss building carrier plate is avoided, the subsequent assembly work is influenced, and the use of workers is facilitated.

In this embodiment, a worm 13 is rotatably installed between inner walls on opposite sides of the hanger 1, the worm 13 is meshed with a worm wheel 14, and a knob 12 is fixedly installed at one end of the worm 13 penetrating through the outer surface of the hanger 1.

When the lifting device is used, a user drives the worm 13 to rotate through the knob 12 according to the size of the steel bar truss floor bearing plate to be lifted, the worm 13 drives the worm wheel 14 to rotate, the worm wheel 14 drives the two screw rods 10 to rotate, the screw rods 10 drive the two telescopic frames 2 to move close to or away from each other, the distance between the two lifting hooks 6 can be adjusted through the movement of the telescopic frames 2, the lifting device can be adjusted according to the size of the steel bar truss floor bearing plate to be lifted, and the applicability of the lifting device is improved.

In this embodiment, the rope sheave 4 is all installed in the rotation of the one end that expansion bracket 2 kept away from each other, and the surface of supplementary rope sheave 8 and rope sheave 4 is around being equipped with wire rope 5, and wire rope 5's bottom fixed mounting has lifting hook 6, and lifting frame 1's upper surface fixed mounting has hoist engine 3, and wire rope 5's the other end and hoist engine 3's output fixed mounting.

The output end of the winch 3 drives the steel wire rope 5 to retract and release, so that the lifting hook 6 lifts or drops the steel bar truss building carrier plate

In this embodiment, the screw threads of two lead screws 10 revolve to opposite setting, and the one end that lead screw 10 kept away from worm wheel 14 fixed mounting has limit stop 11, revolves to opposite setting through the screw thread of lead screw 10 and is convenient for the mutual approaching or keep away from the motion of expansion bracket 2, restricts the distance of motion of expansion bracket 2 through limit stop 11, ensures that expansion bracket 2 can not follow gallows 1 slippage.

When the device is used, a user drives the worm 13 to rotate through the knob 12 according to the size of a steel bar truss building bearing plate to be hoisted, the worm 13 drives the worm wheel 14 to rotate, the worm wheel 14 drives the two screw rods 10 to rotate, the screw rods 10 drive the two telescopic brackets 2 to move close to or away from each other, the distance between the two lifting hooks 6 can be adjusted through the movement of the telescopic brackets 2, the device can be adjusted according to the size of the steel bar truss building bearing plate to be hoisted, the applicability of the device is improved, meanwhile, the driving rods 9 are driven to move through the mutual approaching or separating movement of the telescopic brackets 2, the driving rods 9 drive the supporting rods 7 to support or shrink, the supporting rods 7 drive the auxiliary rope wheels 8 to move upwards or downwards, when the size of the telescopic brackets 2 is adjusted through the device, the size of the steel wire ropes 5 can move upwards through the auxiliary rope wheels 8 when the distance of the telescopic brackets 2 is shortened, otherwise, the size of the steel wire ropes 5 can be moved downwards through the auxiliary rope wheels 8, the distance of the steel wire ropes 5 can be adjusted according to the size of the steel wire ropes 5, the device can be adjusted according to the size of the steel bar truss building bearing plate to be adjusted, the device is convenient to change of the steel bar truss building, and the subsequent work height of the steel bar truss is not affected.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. An adjustable steel bar truss floor deck hoisting tool, comprising a hanger (1), characterized in that the ends of both ends of the hanger (1) are both inserted with a telescopic frame (2), the telescopic frame (2) is slidably installed with the inner wall of the hanger (1), the adjacent end of the telescopic frame (2) is fixedly installed with a fixing plate (15), a worm gear (14) is rotatably installed between the inner walls of the opposite ends of the hanger (1), both ends of the worm gear (14) pass through the outer surface of the hanger (1) and are fixedly installed with a screw rod (10), the screw rod (10) passes through the outer surface of the fixing plate (15) and is threadedly connected thereto, two support rods (7) are symmetrically rotatably installed on the upper surface of the hanger (1), the top ends of the two support rods (7) are both rotatably installed with auxiliary rope wheels (8), and a driving rod (9) is rotatably installed on the upper surface of the telescopic frame (2), and the top end of the driving rod (9) is rotatably installed with the outer surface of the support rod (7). 2. An adjustable steel truss floor deck lifting tool according to claim 1, characterized in that a worm (13) is rotatably installed between the inner walls on opposite sides of the hanger (1), the worm (13) is meshed with a worm wheel (14), and one end of the worm (13) passes through the outer surface of the hanger (1) and is fixedly installed with a knob (12). 3. An adjustable steel truss floor deck lifting tool according to claim 2, characterized in that the ends of the telescopic frames (2) that are away from each other are rotatably mounted with pulleys (4), the outer surfaces of the auxiliary pulleys (8) and the pulleys (4) are wound with steel wire ropes (5), and the bottom ends of the steel wire ropes (5) are fixedly mounted with a hook (6). 4. An adjustable steel truss floor deck lifting tool according to claim 3, characterized in that a winch (3) is fixedly installed on the upper surface of the hanger (1), and the other end of the steel wire rope (5) is fixedly installed on the output end of the winch (3). 5. An adjustable steel truss floor deck lifting tool according to claim 4, characterized in that the threads of the two screw rods (10) are arranged in opposite directions, and a limit stopper (11) is fixedly installed at one end of the screw rod (10) away from the worm gear (14).