CN220149114U - Lifting device - Google Patents

Abstract

The utility model provides a lifting device. The lifting device comprises: a mounting frame; the driving assembly is arranged on the mounting frame; and the conveying part is configured to drive the conveying part to move along the vertical direction, the conveying part comprises a conveying box body and a buffering assembly, the buffering assembly is installed at the bottom of the conveying box body and comprises a first buffering piece, an elastic piece and a second buffering piece, the elastic piece is connected between the first buffering piece and the second buffering piece, the first buffering piece can move towards a direction close to or far away from the second buffering piece, and the elastic piece is configured to adapt to the distance change between the first buffering piece and the second buffering piece. The lifting device of the technical scheme can solve the problems that the existing lifting support for building construction cannot buffer and shock-absorb the placing table, and when the placing table descends to the bottom, discomfort is easily caused to the personnel and equipment is damaged.

Description

Lifting device

Technical Field

The utility model relates to the technical field of building equipment, in particular to a lifting device.

Background

The building engineering refers to engineering entities formed by building various house buildings and auxiliary facilities thereof and installing and moving lines, pipelines and equipment matched with the building buildings. In construction engineering, lifting brackets are often used to transport personnel or material equipment.

In the chinese patent 202020895333.6, a liftable support for construction is disclosed, adopt double chain structure, drive the dwang through motor and gear and rotate for the fluted disc that this dwang outside cup jointed rotates, and the fluted disc drives the chain of being connected rather than the meshing and rotates, and then drives the fixed block and reciprocate, realizes placing the lift of platform, and another chain is through placing the removal of platform, makes it rotate, rethread guide arm and movable block simultaneously, is convenient for support placing the platform, has improved the stability that promotes the support and goes up and down through above-mentioned setting. However, this construction is with can promoting support can't cushion the shock attenuation to placing the platform, has placed personnel or instrument equipment in the placing the platform, when placing the platform and descend to the bottom, can produce certain impact force, leads to personnel's discomfort easily, and instrument equipment also receives the damage easily.

Disclosure of Invention

The utility model mainly aims to provide a lifting device which can solve the problems that an existing lifting support for building construction cannot buffer and shock-absorb a placing table, and when the placing table descends to the bottom, discomfort is easily caused to the person, and instruments and equipment are damaged.

In order to achieve the above object, according to an aspect of the present utility model, there is provided a lifting device comprising: a mounting frame; the driving assembly is arranged on the mounting frame; and the conveying part is configured to drive the conveying part to move along the vertical direction, the conveying part comprises a conveying box body and a buffering assembly, the buffering assembly is installed at the bottom of the conveying box body and comprises a first buffering piece, an elastic piece and a second buffering piece, the elastic piece is connected between the first buffering piece and the second buffering piece, the first buffering piece can move towards a direction close to or far away from the second buffering piece, and the elastic piece is configured to adapt to the distance change between the first buffering piece and the second buffering piece.

Further, the second buffer member has a receiving chamber, and an end of the first buffer member remote from the transport case is configured to be able to enter into the receiving chamber and to be able to move in a direction approaching or moving away from the second buffer member in the receiving chamber.

Further, the quantity of buffer assembly is a plurality of, and a plurality of buffer assembly set up in the bottom of transportation box side by side, and every row buffer assembly sets up along first direction interval, and at least two in every row buffer assembly are located the both ends of transportation box along first direction respectively, and at least one in every row buffer assembly is located the middle part of transportation box along first direction.

Further, the lifting device further comprises a bottom plate, and the second buffer member is mounted on the bottom plate.

Further, the driving assembly comprises a connecting rope, a driving piece and a winding drum, the first end of the connecting rope is connected with the transportation box body, the second end of the connecting rope is connected with the winding drum, the driving piece is in driving connection with the winding drum, and the driving piece drives the winding drum to rotate so that the connecting rope is wound on the winding drum.

Further, the first end of the connecting rope comprises at least two branch connecting sections, and at least one branch connecting section is connected to two opposite side walls of the transport case.

Further, the driving assembly further comprises a fixed pulley, the fixed pulley is arranged at the top of the installation frame, and the first end of the connecting rope is connected with the transportation box body after bypassing the fixed pulley.

Further, the mounting bracket comprises a mounting plate, a support and a reinforcing rod, the support is mounted on the mounting plate, the reinforcing rod is connected between the support and the mounting plate, an included angle between one end of the reinforcing rod and the support is alpha, an included angle between the other end of the reinforcing rod and the mounting plate is beta, and the two meet alpha+beta=90 degrees.

Further, the number of the reinforcing rods is two, the two reinforcing rods are respectively positioned at two ends of the support along the first direction, and the two reinforcing rods are positioned at the same side of the support; and/or the transport case is slidably disposed on the bracket and is capable of sliding on the bracket in a vertical direction.

Further, the bottom of the mounting plate is provided with a plurality of universal wheels; and/or the transport case comprises a case door having a first position for opening the transport case and a second position for closing the transport case.

By the aid of the technical scheme, the mounting frame, the driving assembly and the conveying part are arranged, the conveying part comprises the conveying box body and the buffering assembly, the conveying box body is used for conveying personnel or instrument equipment, the buffering assembly is arranged at the bottom of the conveying box body, the buffering assembly can slow down impact force when the conveying box body vertically falls to the bottom of the mounting frame, the buffering effect is achieved, personnel discomfort caused by overlarge impact force at the moment when the conveying box body falls to the bottom of the mounting frame can be avoided, damage to the instrument equipment due to overlarge impact force when the conveying box body falls can be avoided, and accordingly safety of the lifting device is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. Attached at

In the figure:

fig. 1 shows a schematic overall structure of a lifting device according to an embodiment of the present utility model;

fig. 2 shows a schematic structural view of a transport case of a lifting device according to an embodiment of the present utility model;

FIG. 3 shows a partial schematic view of a lifting device according to an embodiment of the utility model; and

fig. 4 shows a partial schematic view of a lifting device according to an embodiment of the utility model.

Wherein the above figures include the following reference numerals:

10. a mounting frame; 11. a mounting plate; 12. a bracket; 13. a reinforcing rod; 14. a fixing piece; 15. a chute; 20. a drive assembly; 21. a connecting rope; 211. a branch connection section; 22. a driving member; 221. a transmission rod; 23. a reel; 24. a fixed pulley; 30. a transport case; 31. a door; 32. a handle; 40. a buffer assembly; 41. a first buffer member; 42. an elastic member; 43. a second buffer member; 431. a receiving chamber; 50. a bottom plate; 60. and a universal wheel.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1 to 4 in combination, the present utility model provides a lifting device comprising: a mounting frame 10; the driving assembly 20, the driving assembly 20 is installed on the mounting frame 10; and a transport part, the driving assembly 20 being configured to be capable of driving the transport part to move in a vertical direction, the transport part including a transport case 30 and a buffer assembly 40, the buffer assembly 40 being mounted at a bottom of the transport case 30, the buffer assembly 40 including a first buffer member 41, an elastic member 42, and a second buffer member 43, the elastic member 42 being connected between the first buffer member 41 and the second buffer member 43, the first buffer member 41 being capable of moving in a direction approaching or separating from the second buffer member 43, the elastic member 42 being configured to be capable of accommodating a distance change between the first buffer member 41 and the second buffer member 43.

In this embodiment, the transporting box 30 is used for transporting personnel or equipment, the driving component 20 is used for driving the transporting box 30, so that the transporting box 30 can move along a vertical direction, namely a height direction, and the driving component 20 can drive the transporting box 30 to rise or fall to a certain height, so as to transport the personnel or equipment to a target position. The bottom of the transport case 30 is provided with a buffer assembly 40, the buffer assembly 40 includes a first buffer member 41, an elastic member 42, and a second buffer member 43, and the elastic member 42 is connected between the first buffer member 41 and the second buffer member 43. When the transportation box 30 descends to the bottom of the installation frame 10, the whole weight of the transportation box 30 acts on the buffer component 40 to squeeze the buffer component 40, at the moment, the elastic component 42 is stressed to deform, the distance between the first buffer component 41 and the second buffer component 43 is reduced accordingly, the impact force of the transportation box 30 when vertically falling to the bottom of the installation frame 10 can be slowed down by the arrangement of the buffer component 40, the buffer function is achieved, personnel discomfort caused by overlarge impact force at the moment when the transportation box 30 falls to the bottom can be avoided, and damage to instrument equipment due to overlarge impact force when the transportation box 30 falls can be avoided, so that the safety of the lifting device is improved.

Specifically, the elastic member 42 is a spring.

As shown in fig. 3, in one embodiment of the present utility model, the second buffer member 43 has a receiving chamber 431, and an end of the first buffer member 41 remote from the transport case 30 is configured to be able to enter into the receiving chamber 431 and to be able to move in a direction approaching or moving away from the second buffer member 43 within the receiving chamber 431.

In this embodiment, one end of the first buffer member 41 is fixedly connected with the bottom of the transportation box 30, the other end of the first buffer member 41 is fixedly connected with one end of the elastic member 42, the other end of the elastic member 42 is located in the accommodating cavity 431 and is fixedly connected with the bottom of the second buffer member 43, when the transportation box 30 descends to the bottom of the mounting frame 10, the transportation box 30 extrudes the elastic member 42 through the first buffer member 41, one end of the first buffer member 41 away from the transportation box 30 is gradually pressed into the mounting cavity, the elastic member 42 is gradually compressed, and the length of the elastic member 42 is gradually shortened. Through the arrangement, the impact force when the transportation box 30 falls to the bottom of the installation frame 10 can be slowed down, the buffer effect is achieved, and the impact force suffered by personnel or instruments in the transportation box 30 is reduced.

Referring to fig. 1 to 4, in an embodiment of the present utility model, the number of the buffer assemblies 40 is plural, the plural buffer assemblies 40 are disposed side by side at the bottom of the transport case 30, each row of buffer assemblies 40 is disposed at intervals along the first direction, at least two of the buffer assemblies 40 in each row are respectively located at two ends of the transport case 30 along the first direction, and at least one of the buffer assemblies 40 in each row is located at the middle of the transport case 30 along the first direction.

In this embodiment, the plurality of buffer assemblies 40 are disposed at the bottom of the transport case 30, and the buffer assemblies 40 are disposed at both ends and the middle of the transport case 30, so that the buffer effect can be ensured.

Referring to fig. 1 and 3 in combination, in one embodiment of the present utility model, the lifting device further includes a base plate 50, and the second buffer member 43 is mounted on the base plate 50.

In this embodiment, the lifting device further includes a bottom plate 50, the first buffer member 41 is fixedly connected with the bottom of the transport case 30, the second buffer member 43 is mounted on the bottom plate 50 and located at one end of the second buffer member 43 far away from the first buffer member 41, and the area of the bottom plate 50 is far greater than that of the second buffer member 43, and a plurality of second buffer members 43 can be mounted on the bottom plate 50. When the transportation box 30 falls to the bottom of the mounting frame 10, the bottom plate 50 is contacted with the bottom of the mounting frame 10 first, and the area of the bottom plate 50 is far larger than that of the second buffer member 43, so that the contact area between the second buffer member 43 and the bottom of the mounting frame 10 can be increased, and the pressure intensity to the second buffer member 43 when the transportation box 30 falls is reduced, so that the buffer effect can be enhanced.

Referring to fig. 1 to 4 in combination, in one embodiment of the present utility model, the driving assembly 20 includes a connection rope 21, a driving member 22, and a drum 23, a first end of the connection rope 21 is connected to the transport case 30, a second end of the connection rope 21 is connected to the drum 23, the driving member 22 is in driving connection with the drum 23, and the driving member 22 drives the drum 23 to rotate so that the connection rope 21 is wound around the drum 23.

In the present embodiment, the driving member 22 can drive the drum 23 to rotate clockwise or counterclockwise, and the drum 23 can be rotated clockwise or counterclockwise to wind up and pay out the connecting rope 21, respectively, thereby enabling the transport case 30 to be raised and lowered.

In one embodiment, the driving member 22 is a servo motor, the connecting rope 21 is a steel cable, the output end of the servo motor is in spline connection with a transmission rod 221, one end of the transmission rod 221 is fixedly connected with the winding drum 23, and one end of the steel cable is fixedly connected to the surface of the winding drum 23. When people or instrument equipment need to be transported, after the servo motor is electrified by the external power supply, the transmission rod 221 is driven to rotate, the winding drum 23 winds the steel rope, and the transportation box 30 is driven to be lifted, so that the effect of lifting the people or instrument equipment to different construction heights is achieved.

Referring to fig. 1, 2 and 4 in combination, in one embodiment of the present utility model, the first end of the connecting rope 21 includes at least two branch connecting sections 211, and at least one branch connecting section 211 is connected to both opposite side walls of the transport case 30.

Through the above arrangement, the stability of the transport case 30 in the lifting process can be ensured.

Referring to fig. 1 and 4 in combination, in one embodiment of the present utility model, the driving assembly 20 further includes a fixed pulley 24, the fixed pulley 24 is mounted on the top of the mounting frame 10, and the first end of the connection rope 21 is connected to the transport case 30 after passing around the fixed pulley 24.

In this embodiment, the fixed pulley 24 is mounted on the top of the mounting frame 10, and the connecting rope 21 is connected with the transport case 30 after bypassing the fixed pulley 24, and the fixed pulley 24 can change the direction of the force so that the connecting rope 21 can lift the transport case 30 to a certain height.

As shown in fig. 1, in one embodiment of the present utility model, the mounting frame 10 includes a mounting plate 11, a bracket 12, and a reinforcing rod 13, the bracket 12 is mounted on the mounting plate 11, the reinforcing rod 13 is connected between the bracket 12 and the mounting plate 11, an angle between one end of the reinforcing rod 13 and the bracket 12 is α, an angle between the other end of the reinforcing rod 13 and the mounting plate 11 is β, and both satisfy α+β=90°.

In the present embodiment, the angle α refers to an acute angle formed between one end of the reinforcing rod 13 and the bracket 12, and the angle β refers to an acute angle formed between the other end of the reinforcing rod 13 and the bracket 12. As shown in fig. 1, the dashed line on the bracket 12 is the projection of the reinforcing rod 13 on the bracket 12, defined as a first dashed line; the dotted line on the mounting plate 11 is the projection of the reinforcing rod 13 on the mounting plate 11, and is defined as a second dotted line; the included angle α is the included angle between the reinforcing rod 13 and the first imaginary line, and the included angle β is the included angle between the reinforcing rod 13 and the second imaginary line.

One end and mounting panel 11 fixed connection of support 12, support 12 are perpendicular with mounting panel 11, and the one end and the support 12 of stiffening rod 13 are connected, and the other end and the mounting panel 11 of stiffening rod 13 are connected, and the setting of stiffening rod 13 can consolidate support to support 12, improves the stability of support 12.

In one embodiment of the present utility model, as shown in fig. 1, the lifting device further includes a plurality of fixing plates 14, one end of the reinforcing rod 13 is fixedly connected to the bracket 12 through one fixing plate 14, and the other end of the reinforcing rod 13 is fixedly connected to the mounting plate 11 through one fixing plate 14. The fixing piece 14 is connected and fixed with the bracket 12, and the fixing piece 14 is connected and fixed with the mounting plate 11 through bolts.

As shown in fig. 1, in one embodiment of the present utility model, the transport case 30 is slidably provided on the stand 12 and is capable of sliding on the stand 12 in the vertical direction.

In this embodiment, the support 12 is provided with a sliding slot 15, and the opposite side walls of the transport case 30 are provided with sliding blocks (not shown in the figure) capable of being matched with the sliding slot 15, so that the sliding connection between the sliding slot 15 and the sliding blocks can be realized through the matching of the sliding slot 15 and the sliding blocks. Compared with the mode of directly pulling the transport case 30 through the connecting rope 21, the above arrangement facilitates the connecting rope 21 to pull the transport case 30, thereby improving the transport efficiency.

As shown in fig. 1, in one embodiment of the present utility model, the number of the reinforcing rods 13 is two, the two reinforcing rods 13 are respectively located at both ends of the bracket 12 in the first direction, and the two reinforcing rods 13 are located at the same side of the bracket 12.

In this embodiment, two ends of the support 12 are respectively provided with a reinforcing rod 13, and the two reinforcing rods 13 simultaneously reinforce and support the support 12, so that the stability of the support 12 can be improved.

As shown in fig. 1, in one embodiment of the present utility model, the bottom of the mounting plate 11 is provided with a plurality of universal wheels 60.

In this embodiment, the bottom of the mounting plate 11 is provided with a plurality of universal wheels 60 to facilitate the movement of the lifting device by the staff. The brake pads are fixedly arranged in the universal wheel 60 to play a role in braking.

As shown in fig. 1, in one embodiment of the present utility model, the transport case 30 includes a door 31, and the door 31 has a first position to open the transport case 30 and a second position to close the transport case 30.

In this embodiment, the door 31 is hinged to the transport case 30, and a handle 32 is provided on the door 31 to facilitate pulling the door 31 to place the door 31 in the first position or the second position. When the box door 31 is in the first position, the transportation box 30 is in an open state, so that personnel or instrument can enter the transportation box 30 conveniently, when the box door 31 is in the second position, the transportation box 30 is in a closed state, and the box door 31 and the side wall of the transportation box 30 enclose the personnel or instrument together to prevent the personnel or instrument from falling out of the transportation box 30 in the ascending or descending process of the transportation box 30.

In the utility model, the working process of the lifting device is as follows: when people or instrument equipment is required to be transported, an external power supply is connected, so that the driving piece 22 is electrified, the driving piece 22 drives the winding drum 23 to rotate, the winding drum 23 winds the connecting rope 21, and then the transportation box 30 is driven to be lifted, so that the people or instrument equipment is lifted to different construction heights.

From the above description, it can be seen that the above-described embodiments of the present utility model achieve the following technical effects: be provided with mounting bracket, drive assembly and transport portion, transport portion includes transportation box and buffering subassembly, transportation box is used for transportation personnel or instrument and equipment, buffering subassembly sets up the bottom at transportation box, buffering subassembly's setting can slow down the impact force when transportation box falls to the mounting bracket bottom perpendicularly, play the effect of buffering, can enough avoid transportation box whereabouts bottom in the twinkling of an eye because the impact force is too big causes personnel's discomfort, can also avoid damaging instrument and equipment because the too big impact force when transportation box falls to improve hoisting device's security.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A lifting device, comprising:

a mounting frame (10);

-a drive assembly (20), the drive assembly (20) being mounted on the mounting frame (10); and

transport portion, drive assembly (20) are constructed to drive transport portion removes along vertical direction, transport portion includes transport box (30) and buffer assembly (40), buffer assembly (40) are installed the bottom of transport box (30), buffer assembly (40) include first buffer (41), elastic component (42) and second buffer (43), elastic component (42) connect between first buffer (41) and second buffer (43), first buffer (41) can be to being close to or keep away from the direction of second buffer (43) is removed, elastic component (42) are constructed to adapt to distance between first buffer (41) and second buffer (43) changes.

2. Lifting device according to claim 1, characterized in that the second buffer element (43) has a receiving chamber (431), the end of the first buffer element (41) remote from the transport box (30) being configured to be able to enter into the receiving chamber (431) and to be able to move in the receiving chamber (431) in a direction towards or away from the second buffer element (43).

3. Lifting device according to claim 2, wherein the number of the buffer assemblies (40) is plural, the plural buffer assemblies (40) are arranged side by side at the bottom of the transport case (30), each row of the buffer assemblies (40) is arranged at intervals along a first direction, at least two of the buffer assemblies (40) are respectively located at two ends of the transport case (30) along the first direction, and at least one of the buffer assemblies (40) is located at the middle of the transport case (30) along the first direction.

4. Lifting device according to claim 1, characterized in that the lifting device further comprises a base plate (50), the second cushioning member (43) being mounted on the base plate (50).

5. Lifting device according to any one of claims 1-4, characterized in that the drive assembly (20) comprises a connecting rope (21), a drive member (22) and a drum (23), a first end of the connecting rope (21) being connected to the transport box (30), a second end of the connecting rope (21) being connected to the drum (23), the drive member (22) being in driving connection with the drum (23), the drive member (22) driving the drum (23) in rotation so that the connecting rope (21) is wound on the drum (23).

6. Lifting device according to claim 5, characterized in that the first end of the connecting rope (21) comprises at least two branch connecting sections (211), at least one of the branch connecting sections (211) being connected to both opposite side walls of the transport box (30).

7. Lifting device according to claim 5, characterized in that the drive assembly (20) further comprises a fixed pulley (24), the fixed pulley (24) being mounted on top of the mounting frame (10), the first end of the connecting rope (21) being connected to the transport box (30) after bypassing the fixed pulley (24).

8. A lifting device according to claim 3, characterized in that the mounting frame (10) comprises a mounting plate (11), a bracket (12) and a reinforcing rod (13), the bracket (12) is mounted on the mounting plate (11), the reinforcing rod (13) is connected between the bracket (12) and the mounting plate (11), an included angle between one end of the reinforcing rod (13) and the bracket (12) is alpha, an included angle between the other end of the reinforcing rod (13) and the mounting plate (11) is beta, and the two satisfy alpha+beta = 90 °.

9. Lifting device according to claim 8, characterized in that the number of reinforcement bars (13) is two, that two reinforcement bars (13) are located at both ends of the support (12) in the first direction, respectively, and that two reinforcement bars (13) are located at the same side of the support (12); and/or the transport case (30) is slidably disposed on the bracket (12) and is capable of sliding on the bracket (12) in the vertical direction.

10. Lifting device according to claim 8, characterized in that the bottom of the mounting plate (11) is provided with a plurality of universal wheels (60); and/or the transport case (30) comprises a door (31), the door (31) having a first position for opening the transport case (30) and a second position for closing the transport case (30).