CN220377758U - Small-size lifting scaffold - Google Patents

Abstract

The application discloses small-size lift scaffold, including bearing structure, operation platform, power device, moving structure and fixed knot construct. The support structure is retractable in a vertical direction and is used to provide a mounting foundation for each section of the small lifting scaffold. The operation platform can be installed on the supporting structure in a sliding manner along the vertical direction, and the operation platform is used for providing a movable space for workers. The power device is installed at bearing structure, and power device is used for making bearing structure along vertical direction flexible to and make operation platform slide along vertical direction. The moving structure is arranged on the supporting structure and is used for realizing the walking of the small lifting scaffold. The fixed knot constructs and installs at bearing structure, and fixed establishment is used for realizing small-size lifting scaffold's fixed. The scaffold can follow the construction height change, reduces the labor intensity of workers and improves the construction efficiency of the workers.

Description

Small-size lifting scaffold

Technical Field

The application relates to the field of lifting equipment, in particular to a small lifting scaffold.

Background

Along with the continuous development of urban process in China, the floors of the building groups in China are higher and higher, the internal decoration or high-rise masonry cannot be directly constructed, the materials are difficult to transport up and down, the traditional movable scaffold can solve the height problem, but the traditional movable scaffold is fixed in height, has certain limitation and cannot change along with the construction height.

Disclosure of Invention

The application provides a small-size lifting scaffold, can solve the scaffold and can not follow the high change problem of construction.

The embodiment of the application provides a small-size lifting scaffold, including bearing structure, operation platform, power device, moving structure and fixed knot construct. The support structure is retractable in a vertical direction and is used to provide a mounting foundation for each section of the small lifting scaffold. The operation platform can be installed on the supporting structure in a sliding manner along the vertical direction, and the operation platform is used for providing a movable space for workers. The power device is installed at bearing structure, and power device is used for making bearing structure along vertical direction flexible to and make operation platform slide along vertical direction. The moving structure is arranged on the supporting structure and is used for realizing the walking of the small lifting scaffold. The fixed knot constructs and installs at bearing structure, and fixed establishment is used for realizing small-size lifting scaffold's fixed.

In some of these embodiments, the support structure includes a lower support frame and an upper support frame. The lower support frame has four lower pole settings, and four lower pole settings are located square structure's four corners respectively, and the lateral part of each lower pole setting all has down the track. The upper supporting frames comprise two upper vertical rods, the two upper supporting frames are respectively provided with two upper vertical rods, and the four upper vertical rods of the two upper supporting frames are respectively and correspondingly slidably arranged on the four lower vertical rods one by one.

In some of these embodiments, the support structure further comprises an upper bearing and a lower bearing. The upper bearings comprise four groups, each of the four groups of upper bearings comprises two upper bearings, the four groups of upper bearings are respectively arranged on the upper parts of the four lower vertical rods in a one-to-one correspondence manner, and in each group of upper bearings, the two upper bearings are respectively clamped on two sides of the upper vertical rods and can rotate along the upper vertical rods. The lower bearings comprise four groups, each of the four groups of lower bearings comprises two lower bearings, the four groups of lower bearings are respectively arranged at the lower parts of the four upper vertical rods in a one-to-one correspondence manner, and in each group of lower bearings, the two lower bearings are respectively clamped at two sides of the lower vertical rods and can rotate along the lower vertical rods.

In some of these embodiments, the support structure further comprises a stop bar. The limiting rods comprise two limiting rods, each limiting rod is horizontally connected with two lower vertical rods for two upper vertical rods of the same upper support frame to be installed, and the limiting rods are arranged outside a space defined by the four lower vertical rods.

In some of these embodiments, the operating platform includes mounting bearings. The installation bearings comprise four groups, each group of installation bearings comprises two installation bearings, and in each group of installation bearings, the two installation bearings are respectively clamped at two sides of the upper vertical rod and can rotate along the upper vertical rod.

In some of these embodiments, the operating platform includes a frame and a scaffold board. The frame encloses a movable space. The scaffold board is laid and installed at the bottom of the frame.

In some of these embodiments, the operating platform further comprises a switch door and a foot guard. The switch door is openably and closably mounted at the side opening of the frame. The foot blocking plate is arranged around the lower part of the frame.

In some of these embodiments, the power plant includes a drive machine, a fixed sheave, and a hoist rope. The drive machine is mounted at the bottom of the support structure. The fixed pulleys comprise two groups, each group of fixed pulleys comprises five fixed pulleys, and in each group of fixed pulleys, the five fixed pulleys are respectively arranged at the lower part of the lower support frame, the upper part of the upper support frame, the lower part of the upper support frame and the lower part of the operating platform. The lifting ropes comprise two groups of fixed pulleys, the two lifting ropes respectively bypass the two groups of fixed pulleys in a one-to-one correspondence manner, one end of each lifting rope is connected to the driving machine, and the other end of each lifting rope is connected to the operating platform.

In some of these embodiments, the moving structure includes a universal wheel and a brake handle. The universal wheels comprise four, and the four universal wheels are all installed at the bottom of the supporting structure and are respectively arranged at four corners of the square structure. The brake handles comprise four, and the four brake handles are respectively arranged on the four universal wheels in a one-to-one correspondence manner, so that the walking direction of each universal wheel is fixed.

In some of these embodiments, the securing structure includes a securing leg, a lifting leg, and a leg disc. The fixed landing leg includes four, and four fixed landing legs are all installed at bearing structure's lateral part to set up respectively at square structure's four corners. The lifting support legs comprise four lifting support legs which are respectively and correspondingly arranged at the bottoms of the four fixed support legs. The landing leg dish includes four, and four landing leg dishes are installed in the bottom of four lift landing legs respectively in a one-to-one correspondence.

The embodiment of the application provides a small-size lifting scaffold, which comprises a supporting structure, an operating platform, a power device, a moving structure and a fixed structure. The support structure is retractable in a vertical direction and is used to provide a mounting foundation for each section of the small lifting scaffold. The operation platform can be installed on the supporting structure in a sliding manner along the vertical direction, and the operation platform is used for providing a movable space for workers. The power device is installed at bearing structure, and power device is used for making bearing structure along vertical direction flexible to and make operation platform slide along vertical direction. The moving structure is arranged on the supporting structure and is used for realizing the walking of the small lifting scaffold. The fixed knot constructs and installs at bearing structure, and fixed establishment is used for realizing small-size lifting scaffold's fixed. The scaffold can follow the construction height change, reduces the labor intensity of workers and improves the construction efficiency of the workers.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a small-sized lifting scaffold in an embodiment of the present application;

FIG. 2 is a top view of a small lift scaffold in an embodiment of the present application;

fig. 3 is a left side view of a small-sized lifting scaffold in an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

Along with the continuous development of urban process in China, the floors of the building groups in China are higher and higher, the internal decoration or high-rise masonry cannot be directly constructed, the materials are difficult to transport up and down, the traditional movable scaffold can solve the height problem, but the traditional movable scaffold has the advantages of fixed height, certain limitation and incapability of following the change of the construction height, and the construction materials are mostly carried up and down manually in the construction process, so that the labor intensity of workers is high, and the construction efficiency is very low. In order to solve the problems that the labor intensity is high, the construction efficiency is low and the scaffold cannot follow the construction change in the construction process, referring to fig. 1-3, the embodiment of the application provides a small lifting scaffold.

The small lifting scaffold comprises a supporting structure 3, an operating platform 5, a power device 4, a moving structure 1 and a fixed structure 2.

The support structure 3 is used to provide a mounting foundation for the various parts of the small lifting scaffold. The support structure 3 is telescopic in a vertical direction. The support structure 3 comprises a lower support frame 31 and an upper support frame 35, an upper bearing 33 and a lower bearing 34, and a stop lever 32.

The lower support frame 31 has four lower uprights, which are respectively located at four corners of the square structure, and the side portions of the lower uprights are respectively provided with a lower rail.

The upper supporting frames 35 comprise two upper supporting frames 35, each upper supporting frame 35 is provided with two upper vertical rods, and four upper vertical rods of each upper supporting frame 35 are respectively slidably arranged on the four lower vertical rods in a one-to-one correspondence manner.

The upper bearings 33 include four sets of upper bearings 33, and the four sets of upper bearings 33 each include two upper bearings 33, that is, 8 upper bearings 33 in total, and the four sets of upper bearings 33 are respectively installed at the upper portions of the four lower uprights in one-to-one correspondence and located on the same height plane. In each group of upper bearings 33, two upper bearings 33 are respectively clamped at two sides of the upper upright rod, can rotate along the upper upright rod and are positioned on the same height surface.

The lower bearings 34 include four sets of lower bearings 34, and the four sets of lower bearings 34 each include two lower bearings 34, that is, 8 lower bearings 34 in total, and the four sets of lower bearings 34 are respectively installed at the lower parts of the four upper uprights in a one-to-one correspondence manner and are located on the same height plane. In each group of lower bearings 34, two lower bearings 34 are respectively clamped at two sides of the lower upright rod, can rotate along the lower upright rod and are positioned on the same height surface.

Through the above arrangement, the upper support 35 is slid up and down along the inner rail of the lower support 31 by the rotation of the upper bearing 33 and the lower bearing 34, and the upper bearing 33 and the lower bearing 34 are used to limit the movement of the upper support 35 back and forth and left and right. It should be understood that the center of gravity acts on the upper support frame 35, and the upper support frame 35 slides up and down along the lower support frame 31 through bearings, and the center of gravity acts on the lower support frame 31.

The stop lever 32 includes two, and each stop lever 32 equal horizontal welded connection is in the upper portion of two lower pole settings that supply two upper pole settings of same upper bracket 35 to set up outside the space that four lower pole settings define, and be located same altitude face, in order to be used for restricting upper bracket 35, prevent upper bracket 35 break away from lower bracket 31, further increase overall stability.

The operation platform 5 is used to provide a worker with a movable space. The operating platform 5 is slidably mounted on the support structure 3 in a vertical direction and is disposed inside a space defined by the support structure 3. The operation platform 5 includes a frame 51 and a scaffold plate 54, a switch door 52 and a foot guard plate 53, and a mounting bearing 55.

The frame 51 encloses a movable space having a certain height to prevent a worker from falling. The frame 51 is welded by square steel pipes, which have high strength and high bearing capacity, and are hollow, thereby further reducing the overall dead weight.

The scaffold plate 54 is laid and welded to the bottom of the frame 51.

The opening and closing door 52 is openably and closably hinge-mounted at the front side middle opening of the frame 51 to facilitate the entrance and exit of a worker.

The foot blocking plate 53 is welded around the lower portion of the frame 51, and has a certain height to prevent the material from scattering.

The mounting bearings 55 include four sets, and the four sets of mounting bearings 55 each include two mounting bearings 55, that is, 8 mounting bearings 55 in total, and the four sets of mounting bearings 55 are respectively welded and mounted at four corners of the lower portion of the frame 51 in one-to-one correspondence, and are located on the same height plane. In each group of the installation bearings 55, two installation bearings 55 are respectively clamped at two sides of the upper vertical rod, can rotate along the upper vertical rod and are positioned on the same height surface.

The scaffold board 54, the switch door 52 and the foot blocking board 53 are aluminum plates which are common materials for construction sites, and have light weight and high strength.

Through the above arrangement, the operation platform 5 is rotated by the mounting bearing 55 to slide up and down along the inner side rail of the upper support frame 35, the upper support frame 35 is used for limiting the lifting height, the periphery of the frame 51 is provided with a certain height, the worker is prevented from falling, and the foot blocking plate 53 is provided with a certain height, so that the material is prevented from scattering.

The power device 4 is used for enabling the supporting structure 3 to stretch and retract along the vertical direction and enabling the operation platform 5 to slide along the vertical direction so as to reach the height required by construction. The power unit 4 is mounted on the support structure 3. The power unit 4 comprises a drive machine 41, a fixed sheave 42 and a lifting rope 43.

The driving machine 41 is installed at the bottom of the lower support frame 31. The driving machine 41 is a hoist. The driving machine 41 is provided with a separate remote control driving switch, and the switch can be easily and easily started or closed when a worker works.

The fixed pulleys 42 comprise two groups, each group of fixed pulleys 42 comprises five fixed pulleys 42, namely 10 fixed pulleys 42, and in each group of fixed pulleys 42, the five fixed pulleys 42 are respectively welded and installed on the lower part of the lower support frame 31, the upper part of the upper support frame 35, the lower part of the upper support frame 35 and the lower part of the operating platform 5 and are positioned on the same vertical plane. The fixed pulley 42 can change the sliding direction of the lifting rope 43, and the lifting rope 43 after changing the sliding direction is connected with the position of the driving machine 41.

The two lifting ropes 43 respectively bypass the two fixed pulleys 42 in a one-to-one correspondence manner, one end of each lifting rope 43 is connected to the driving end of the driving machine 41, and the other end of each lifting rope 43 is connected to the lower end of the operating platform 5 and is symmetrically arranged. The hoist rope 43 is a wire rope.

The winch and the steel wire rope are all materials and devices commonly used in construction sites, and the utilization efficiency of the materials of the construction sites can be improved to a certain extent by adopting the winch and the steel wire rope, so that the construction cost is indirectly reduced. The drive machine 41, the fixed pulley 42 and the lifting rope 43 form a complete power unit 4.

Through the arrangement, when the winch starts to rotate during implementation, when the winch rolls up the steel wire rope, the unrolled part of the steel wire rope is gradually shortened at any time when the steel wire rope is rolled up, the height of the upper supporting frame 35 is continuously increased, and the limit height is continuously increased by the operation platform 5; when the hoist loosens the wire rope, the upper support 35 is lowered in height, thereby lowering the raised operating platform 5.

The moving mechanism is used for realizing the walking of the small lifting scaffold. It will be appreciated that the centre of gravity of the support structure 3 is on the mobile structure 1. The utilization rate of construction site equipment is improved by using the movable structure 1, and the movable structure 1 is small and light and is flexible to use. The moving structure 1 is mounted on a support structure 3. The mobile structure 1 comprises a universal wheel 12 and a brake handle 11.

The universal wheels 12 comprise four, and the four universal wheels 12 are all welded and mounted at the bottom of the supporting structure 3 and are respectively arranged at four corners of the square structure. The castor 12 allows the apparatus to move back and forth and side to side on the ground. The universal wheel 12 is a small device that is very common and widely used in construction sites.

The brake handles 11 include four, and the four brake handles 11 are respectively mounted on the four universal wheels 12 in a one-to-one correspondence manner, so that the traveling direction of each universal wheel 12 is fixed, that is, the brake handles 11 can change the universal wheels 12 into directional wheels when the device is operated, so that the fixed direction is maintained.

Through the arrangement, the equipment can be moved to any direction, and after the equipment moves to a working place, the universal wheel 12 is changed into a directional wheel through the brake handle 11, so that the equipment keeps a fixed direction, and the equipment is prevented from moving when in use.

The fixing mechanism is used for realizing the fixation of the small lifting scaffold so as to increase the overall stability of the equipment during working. The fixed structure 2 is mounted on a support structure 3. The fixed structure 2 includes a fixed leg 21, a lifting leg 22, and a leg disc 23.

The fixing legs 21 include four, and the four fixing legs 21 are each welded to the side of the support structure 3 and are respectively provided at four corners of the square structure so as to change the span.

The lifting support legs 22 comprise four lifting support legs 22, and the four lifting support legs 22 are respectively arranged at the bottoms of the four fixed support legs 21 in a one-to-one correspondence manner by adopting screw rods. The lifting support leg 22 is vertically supported on the ground during operation, can be adjusted in height according to the field, and has strong adaptability to the field.

The four leg plates 23 are respectively arranged at the bottoms of the four lifting legs 22 in a one-to-one correspondence manner, so that the contact area between the lifting legs 22 and the ground is increased, and the damage to the ground caused by the equipment in working is reduced.

The whole equipment is provided with a stable construction platform through the fixed structure 2, and the whole stability and the anti-overturning capacity of the equipment are improved, so that the construction safety is ensured.

In general, the moving structure 1 is symmetrically welded at the lower part of the supporting structure 3, the fixed structure 2 is welded at the left side and the right side of the supporting structure 3, the power device 4 is fixed on the supporting structure 3, and the operating platform 5 is arranged at the inner side of the supporting structure 3.

In summary, the equipment has small volume, can move in multiple directions, does not need too much preparation work before operation, is simple and convenient to operate and flexible, improves the construction speed, ensures the construction progress, saves the cost, is convenient for construction sites and is flexible to use; on the other hand, the on-site mechanical injury is effectively reduced, meanwhile, the labor intensity of workers is reduced, from the technical aspect, after one-time molding, the turnover rate is high, the height can be changed along with the construction operation height at the same time, workers are not required to climb up and down, the labor intensity of the workers is greatly reduced, the construction efficiency is improved, and the construction cost is indirectly reduced. The equipment can realize the indoor construction of construction site secondary structure masonry, decoration and fitment plastering, bridge installation and the like.

When in indoor construction, the traditional scaffold and the tower are built on site to perform indoor operation, time and time are wasted in building and dismantling, the scaffold is limited in step distance, the height of the scaffold cannot be changed according to the construction height, and workers also need to climb up and down to supplement materials during construction. By adopting the small lifting scaffold, the construction height change can be easily followed, meanwhile, the construction and disassembly time is reduced, remote control is realized easily, the labor intensity of workers is reduced, and the construction efficiency of the workers is improved.

In particular, the small lifting scaffold can follow the construction height change, so that the labor intensity of workers is reduced, and the construction efficiency of the workers is improved.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present application, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, this is for convenience of description and simplification of the description, but does not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely used for illustration and are not to be construed as limitations of the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to the specific circumstances.

The foregoing description of the preferred embodiments of the present application is not intended to be limiting, but is intended to cover any and all modifications, equivalents, and alternatives falling within the spirit and principles of the present application.

Claims (6)

1. A miniature lifting scaffold comprising:

the support structure can stretch out and draw back along the vertical direction and is used for providing a mounting foundation for each part of the small lifting scaffold;

the operation platform is slidably arranged on the supporting structure along the vertical direction and is used for providing a movable space for workers;

the power device is arranged on the supporting structure and is used for enabling the supporting structure to stretch and retract along the vertical direction and enabling the operation platform to slide along the vertical direction;

the moving structure is arranged on the supporting structure and is used for realizing the walking of the small lifting scaffold;

the fixing structure is arranged on the supporting structure and is used for fixing the small lifting scaffold;

wherein the support structure comprises:

the lower support frame is provided with four lower vertical rods, the four lower vertical rods are respectively positioned at four corners of the square structure, and the side parts of the lower vertical rods are respectively provided with a lower track;

the upper support frames comprise two upper upright rods, and four upper upright rods of the two upper support frames are respectively and correspondingly slidably arranged on the four lower upright rods one by one;

the upper bearings comprise four groups, each of the four groups of upper bearings comprises two upper bearings, the four groups of upper bearings are respectively and correspondingly arranged at the upper parts of the four lower vertical rods, and in each group of upper bearings, the two upper bearings are respectively clamped at two sides of the upper vertical rods and can rotate along the upper vertical rods;

the lower bearings comprise four groups, each of the four groups of lower bearings comprises two lower bearings, the four groups of lower bearings are respectively arranged at the lower parts of the four upper vertical rods in a one-to-one correspondence manner, and in each group of lower bearings, the two lower bearings are respectively clamped at two sides of the lower vertical rods and can rotate along the lower vertical rods;

the operation platform comprises:

the mounting bearings comprise four groups, each group of mounting bearings comprises two mounting bearings, and in each group of mounting bearings, the two mounting bearings are respectively clamped at two sides of the upper vertical rod and can rotate along the upper vertical rod;

the power plant includes:

the driving machine is arranged at the bottom of the supporting structure;

the fixed pulleys comprise two groups, each group of fixed pulleys comprises five fixed pulleys, and the five fixed pulleys are respectively arranged at the lower part of the lower support frame, the upper part of the upper support frame, the lower part of the upper support frame and the lower part of the operation platform;

the two lifting ropes respectively bypass the two groups of fixed pulleys in a one-to-one correspondence manner, one end of each lifting rope is connected to the driving machine, and the other end of each lifting rope is connected to the operation platform.

2. The miniature lifting scaffold of claim 1, wherein the support structure further comprises:

the limiting rods comprise two limiting rods, each limiting rod is horizontally connected with two lower vertical rods for two upper vertical rods of the same upper support frame to be installed, and the limiting rods are arranged outside a space defined by the four lower vertical rods.

3. A compact lifting scaffold according to claim 1, wherein the operating platform comprises:

a frame enclosing a movable space;

and the scaffold board is paved and installed at the bottom of the frame.

4. A compact lifting scaffold according to claim 3, wherein the operating platform further comprises:

the switch door is arranged at the side opening of the frame in an openable and closable manner;

the foot blocking plate is arranged around the lower part of the frame.

5. A compact lifting scaffold according to claim 1, wherein the moving structure comprises:

the universal wheels comprise four universal wheels, and the four universal wheels are arranged at the bottom of the supporting structure and are respectively arranged at four corners of the square structure;

the four brake handles are respectively arranged on the four universal wheels in a one-to-one correspondence manner, so that the walking direction of each universal wheel is fixed.

6. A compact lifting scaffold according to claim 1, wherein the fixed structure comprises:

the four fixed support legs are arranged on the side part of the supporting structure and are respectively arranged at four corners of the square structure;

the lifting support legs comprise four lifting support legs which are respectively and correspondingly arranged at the bottoms of the four fixed support legs;

the four support leg discs are respectively arranged at the bottoms of the four lifting support legs in a one-to-one correspondence manner.