CN221810250U - Lifting device convenient to limit - Google Patents

Abstract

The utility model relates to the technical field of road and bridge construction, in particular to lifting equipment convenient for limiting, which comprises a moving assembly, wherein the bottom of the moving assembly is fixedly provided with a supporting assembly and an adjusting assembly, the top fixed mounting of remove the subassembly has lifting unit, lifting unit's top fixed mounting has the platform subassembly, lifting unit's front end movable mounting has cat ladder subassembly. The moving assembly includes a mounting plate. The improved lifting equipment adopts the multi-section telescopic hydraulic cylinder, so that when the lifting equipment is lifted, the multi-section telescopic hydraulic cylinder can conveniently limit the supporting plate from the bottom of the supporting plate, can stably support the four corners of the supporting plate, and can improve the stability of the supporting plate; when the lifting device is used, the stability, the wind resistance and the tilting resistance of the lifting device can be improved when the auxiliary wheels in the supporting assembly are in contact with the ground.

Description

A lifting device convenient for limiting position

Technical Field

The utility model relates to the technical field of road and bridge construction, in particular to a lifting device which is convenient for position limiting.

Background Art

When constructing roads and bridges, construction workers often need to build some support plates or support frames at the construction site to facilitate high-altitude construction. However, such temporary support plates or support frames lack guardrails and are unstable in structure and are prone to collapse, causing construction workers to fall accidentally during construction operations, greatly reducing the personal safety of construction workers during construction. Therefore, a lifting device that is easy to limit is needed.

During the process of realizing the utility model, the inventor discovered that the prior art had the following problems: 1. Some lifting equipment only uses a single scissor-type mechanism for lifting support. The single scissor-type mechanism may not be able to stably support the working platform, and the working platform may shake, which may pose a safety hazard; 2. Some lifting equipment only relies on the four wheels at the bottom for support. During construction, the lifting equipment may need to be moved. The four wheels may not be able to stably support the lifting equipment, and the stability, anti-tilt and wind resistance may be poor.

Utility Model Content

The purpose of the utility model is to provide a lifting device that is easy to limit, so as to solve the problem that some lifting devices proposed in the above background technology only use a single scissor-type mechanism for lifting support, which may not be able to stably support the working platform, and some lifting devices only rely on the four wheels at the bottom for support, which may not be able to stably support the lifting device. In order to achieve the above purpose, the utility model provides the following technical solutions: a lifting device that is easy to limit, including a moving component, a support component and an adjustment component are fixedly installed at the bottom of the moving component, a lifting component is fixedly installed on the top of the moving component, a platform component is fixedly installed on the top of the lifting component, and a ladder component is movably installed at the front end of the lifting component.

The moving assembly comprises a mounting plate, and a multi-section telescopic hydraulic cylinder is fixedly mounted on the top of the mounting plate.

The support assembly includes a fixing plate fixedly mounted to the bottom of the mounting plate, a fixing rod fixedly mounted on the bottom of the fixing plate, a T-shaped rod rotatably fixedly mounted on the outer wall of the fixing rod, a first electro-hydraulic push rod fixedly mounted on the front end of the T-shaped rod, a first rotating mounting seat fixedly mounted on one side of the T-shaped rod, a second electro-hydraulic push rod fixedly mounted on one side of the first rotating mounting seat, and a second rotating mounting seat fixedly mounted on one side of the second electro-hydraulic push rod.

The adjustment component includes a shell fixedly mounted on the bottom of the mounting plate, a servo motor is fixedly mounted on one side of the shell, a bidirectional screw is fixedly mounted at the axis of the servo motor, and a slider is threadedly mounted on the outer wall of the bidirectional screw.

The lifting assembly comprises a scissor-type mechanism fixedly mounted on the top of the mounting plate, and a cannula is fixedly mounted on the front end of the scissor-type mechanism.

The platform assembly comprises a support plate fixedly mounted on the top of the scissor-type mechanism, a protective grille fixedly mounted on the top of the support plate, and a protective door rotatably mounted on one side of the protective grille.

The ladder assembly comprises an insert block movably mounted on the inner wall of the insert pipe, and a ladder is fixedly mounted on the top of the insert block.

Further preferably, the multi-section telescopic hydraulic cylinders are symmetrically distributed about the vertical center line of the mounting plate, and the multi-section telescopic hydraulic cylinders are respectively arranged at the four corners of the mounting plate.

Further preferably, the T-bar forms a rotating mechanism through the first rotating mounting seat, the second electro-hydraulic push rod and the second rotating mounting seat and the fixed rod, and an auxiliary wheel is provided at the bottom of the first electro-hydraulic push rod, and four groups of support components are provided at the bottom of the mounting plate.

Further preferably, the slider forms a rotating mechanism through a bidirectional screw and a servo motor, and the sliders are symmetrically distributed about the vertical center line of the bidirectional screw, and a connecting rod with a scissors-type mechanism movably installed passes through one side of the slider, and the lifting components are symmetrically distributed about the vertical center line of the bidirectional screw.

Further preferably, the protective door and the protective grille form a rotating mechanism, and protective doors are provided at both the front and rear ends of the protective grille.

Further preferably, the plug block and the plug tube form a plug-in structure, and the external dimension structure of the plug block is consistent with the internal dimension structure of the plug tube.

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

In the utility model, when the lifting device is lifted, the servo motor is started, and the slider forms a rotating mechanism through the bidirectional screw and the servo motor, and the sliders are symmetrically distributed about the vertical center line of the bidirectional screw, and a connecting rod with a scissor-type mechanism movably installed runs through one side of the slider, and at the same time, the lifting components are symmetrically distributed about the vertical center line of the bidirectional screw. The rotation of the bidirectional screw can drive the slider to move left and right along the bidirectional screw, and at the same time, can drive the connecting rod of the scissor-type mechanism to move left and right, and the height of the support plate is adjusted by the scissor-type mechanism. When the support plate reaches the working height, the multi-section telescopic hydraulic cylinder is started, and the multi-section telescopic hydraulic cylinders are symmetrically distributed about the vertical center line of the mounting plate, and the multi-section telescopic hydraulic cylinders are respectively arranged at the four corners of the mounting plate, so that the multi-section telescopic hydraulic cylinders can be used to conveniently limit the support plate from the bottom of the support plate, and can stably support the four corners of the support plate, thereby improving the stability of the support plate.

In the utility model, the T-shaped rod forms a rotating mechanism with the fixed rod through the first rotating mounting seat, the second electro-hydraulic push rod and the second rotating mounting seat, and the bottom of the first electro-hydraulic push rod is provided with an auxiliary wheel, and the bottom of the mounting plate is provided with four groups of supporting components. When the second electro-hydraulic push rod is started, it can push the T-shaped rod to rotate on the fixed rod, driving the first electro-hydraulic push rod to expand outward. When the first electro-hydraulic push rod is started, it can drive the auxiliary wheel at the bottom to move downward. When the auxiliary wheel contacts the ground, the stability, wind resistance and tilt resistance of the lifting equipment can be improved.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic diagram of the main structure of the utility model;

FIG2 is a schematic diagram of the structure of the mobile assembly of the utility model;

Figure 3 is a schematic diagram of the structure of the support assembly of the utility model;

FIG4 is a schematic diagram of the structure of the adjustment component of the utility model;

Figure 5 is a schematic diagram of the structure of the lifting assembly of the utility model;

Figure 6 is a schematic diagram of the structure of the platform assembly of the utility model;

FIG. 7 is a schematic diagram of the structure of the ladder assembly of the utility model.

In the figure: 1. moving assembly; 101. mounting plate; 102. multi-section telescopic hydraulic cylinder; 2. supporting assembly; 201. fixing plate; 202. fixing rod; 203. T-bar; 204. first electro-hydraulic push rod; 205. first rotating mounting seat; 206. second electro-hydraulic push rod; 207. second rotating mounting seat; 3. adjusting assembly; 301. housing; 302. servo motor; 303. bidirectional screw; 304. slider; 4. lifting assembly; 401. scissor-type mechanism; 402. intubation; 5. platform assembly; 501. supporting plate; 502. protective grille; 503. protective door; 6. ladder assembly; 601. plug block; 602. ladder.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

Please refer to Figures 1 to 7. The utility model provides a technical solution: a lifting device that is easy to limit, including a moving component 1, a supporting component 2 and an adjusting component 3 are fixedly installed at the bottom of the moving component 1, a lifting component 4 is fixedly installed on the top of the moving component 1, a platform component 5 is fixedly installed on the top of the lifting component 4, and a ladder component 6 is movably installed at the front end of the lifting component 4.

The moving assembly 1 comprises a mounting plate 101 , on the top of which a multi-section telescopic hydraulic cylinder 102 is fixedly mounted.

The support assembly 2 includes a fixed plate 201 fixedly installed on the bottom of the mounting plate 101, a fixed rod 202 fixedly installed on the bottom of the fixed plate 201, a T-bar 203 rotatably fixedly installed on the outer wall of the fixed rod 202, a first electro-hydraulic push rod 204 fixedly installed on the front end of the T-bar 203, a first rotating mounting seat 205 fixedly installed on one side of the T-bar 203, a second electro-hydraulic push rod 206 fixedly installed on one side of the first rotating mounting seat 205, and a second rotating mounting seat 207 fixedly installed on one side of the second electro-hydraulic push rod 206.

The adjustment component 3 includes a shell 301 fixedly mounted on the bottom of the mounting plate 101 , a servo motor 302 is fixedly mounted on one side of the shell 301 , a bidirectional screw 303 is fixedly mounted at the axis of the servo motor 302 , and a slider 304 is threadedly mounted on the outer wall of the bidirectional screw 303 .

The lifting assembly 4 includes a scissor-type mechanism 401 fixedly mounted on the top of the mounting plate 101 , and a plug 402 is fixedly mounted on the front end of the scissor-type mechanism 401 .

The platform assembly 5 includes a support plate 501 fixedly mounted on the top of the scissor-type mechanism 401 , a protective grille 502 is fixedly mounted on the top of the support plate 501 , and a protective door 503 is rotatably mounted on one side of the protective grille 502 .

The ladder assembly 6 includes an insert block 601 movably mounted on the inner wall of the insert pipe 402 , and a ladder 602 is fixedly mounted on the top of the insert block 601 .

In this embodiment, as shown in Figures 1 and 2, the multi-section telescopic hydraulic cylinders 102 are symmetrically distributed about the vertical center line of the mounting plate 101, and the multi-section telescopic hydraulic cylinders 102 are respectively arranged at the four corners of the mounting plate 101; by starting the multi-section telescopic hydraulic cylinders 102, the support plate 501 can be easily limited from the bottom of the support plate 501, the four corners of the support plate 501 can be stably supported, and the stability of the support plate 501 can be improved.

In this embodiment, as shown in Figures 1, 2 and 3, the T-bar 203 forms a rotating mechanism with the fixed rod 202 through the first rotating mounting seat 205, the second electro-hydraulic push rod 206 and the second rotating mounting seat 207, and the bottom of the first electro-hydraulic push rod 204 is provided with auxiliary wheels, and the bottom of the mounting plate 101 is provided with four groups of support components 2; when the second electro-hydraulic push rod 206 is started, it can push the T-bar 203 to rotate on the fixed rod 202, driving the first electro-hydraulic push rod 204 to expand outward, and when the first electro-hydraulic push rod 204 is started, it can drive the auxiliary wheels at the bottom to move downward. When the auxiliary wheels are in contact with the ground, the stability of the lifting equipment can be improved.

In this embodiment, as shown in Figures 1, 4 and 5, the slider 304 forms a rotating mechanism through the bidirectional screw 303 and the servo motor 302, and the sliders 304 are symmetrically distributed about the vertical center line of the bidirectional screw 303, and a connecting rod with a scissors-type mechanism 401 movably installed passes through one side of the slider 304, and the lifting components 4 are symmetrically distributed about the vertical center line of the bidirectional screw 303; when the servo motor 302 is started, it can drive the slider 304 to move left and right on the bidirectional screw 303, and at the same time, it can drive the connecting rod of the scissors-type mechanism 401 to move left and right, and adjust the height of the support plate 501 through the scissors-type mechanism 401.

In this embodiment, as shown in Figures 1 and 6, the protective door 503 and the protective grille 502 form a rotating mechanism, and protective doors 503 are provided at both ends of the protective grille 502; the staff can enter from the front or rear end of the support plate 501, thereby improving the convenience of using the lifting equipment.

In this embodiment, as shown in Figures 1, 5 and 7, the plug block 601 and the plug tube 402 form a plug-in structure, and the external dimension structure of the plug block 601 is consistent with the internal dimension structure of the plug tube 402; by inserting the plug block 601 into the plug tube 402, the ladder 602 and the lifting component 4 can be installed, which is convenient for the staff to enter the lifting equipment and improves the convenience of using the lifting equipment.

The use method and advantages of the utility model: When the lifting device that is easy to limit is used, the working process is as follows:

As shown in Figures 1, 2, 3, 4, 5, 6 and 7, first insert the plug block 601 into the insert pipe 402, and the ladder 602 can be installed with the lifting assembly 4 to facilitate the staff to enter the lifting equipment. Then open the protective door 503. The protective grille 502 is provided with protective doors 503 at both ends. The staff can enter from the front or rear end of the support plate 501 to improve the convenience of using the lifting equipment. Then start the servo motor 302, and the slider 304 forms a rotating mechanism with the servo motor 302 through the bidirectional screw 303. , and the sliders 304 are symmetrically distributed about the vertical center line of the bidirectional screw 303, and one side of the slider 304 passes through the connecting rod of the scissor-type mechanism 401, and the lifting components 4 are symmetrically distributed about the vertical center line of the bidirectional screw 303. The rotation of the bidirectional screw 303 can drive the slider 304 to move left and right on the bidirectional screw 303, and at the same time, it can drive the connecting rod of the scissor-type mechanism 401 to move left and right. The height of the support plate 501 is adjusted by the scissor-type mechanism 401. When the support plate 501 reaches the working height, then The multi-section telescopic hydraulic cylinder 102 is started. The multi-section telescopic hydraulic cylinders 102 are symmetrically distributed about the vertical center line of the mounting plate 101, and the multi-section telescopic hydraulic cylinders 102 are respectively arranged at the four corners of the mounting plate 101. The multi-section telescopic hydraulic cylinder 102 can be used to conveniently limit the support plate 501 from the bottom of the support plate 501, and can stably support the four corners of the support plate 501, which can improve the stability of the support plate 501. Then, the second electro-hydraulic push rod 206 is started, and the T-bar 203 is rotated through the first rotating mounting seat 205 and the second rotating mounting seat 206. The second electro-hydraulic push rod 206 and the second rotating mounting seat 207 form a rotating mechanism with the fixed rod 202, and an auxiliary wheel is provided at the bottom of the first electro-hydraulic push rod 204, and four groups of supporting components 2 are provided at the bottom of the mounting plate 101. When the second electro-hydraulic push rod 206 is started, it can push the T-shaped rod 203 to rotate on the fixed rod 202, driving the first electro-hydraulic push rod 204 to expand outward. When the first electro-hydraulic push rod 204 is started, it can drive the auxiliary wheel at the bottom to move downward. When the auxiliary wheel contacts the ground, the stability, wind resistance and tilt resistance of the lifting equipment can be improved.

The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims (6)

1. Lifting device convenient to it is spacing, including moving subassembly (1), its characterized in that: the bottom of the moving assembly (1) is fixedly provided with a supporting assembly (2) and an adjusting assembly (3), the top of the moving assembly (1) is fixedly provided with a lifting assembly (4), the top of the lifting assembly (4) is fixedly provided with a platform assembly (5), and the front end of the lifting assembly (4) is movably provided with a cat ladder assembly (6);

The moving assembly (1) comprises a mounting plate (101), and a plurality of telescopic hydraulic cylinders (102) are fixedly arranged at the top of the mounting plate (101);

The support assembly (2) comprises a fixed plate (201) fixedly mounted on the bottom of the mounting plate (101), a fixed rod (202) is fixedly mounted on the bottom of the fixed plate (201), a T-shaped rod (203) is fixedly mounted on the outer wall of the fixed rod (202) in a rotating mode, a first electro-hydraulic push rod (204) is fixedly mounted at the front end of the T-shaped rod (203), a first rotary mounting seat (205) is fixedly mounted on one side of the T-shaped rod (203), a second electro-hydraulic push rod (206) is fixedly mounted on one side of the first rotary mounting seat (205), and a second rotary mounting seat (207) is fixedly mounted on one side of the second electro-hydraulic push rod (206);

The adjusting assembly (3) comprises a shell (301) fixedly arranged at the bottom of the mounting plate (101), a servo motor (302) is fixedly arranged at one side of the shell (301), a bidirectional screw (303) is fixedly arranged at the axis of the servo motor (302), and a sliding block (304) is arranged on the outer wall of the bidirectional screw (303) in a threaded manner;

The lifting assembly (4) comprises a scissor-fork mechanism (401) fixedly mounted on the top of the mounting plate (101), and a cannula (402) is mounted at the front end of the scissor-fork mechanism (401);

The platform assembly (5) comprises a supporting plate (501) fixedly arranged on the top of the scissor mechanism (401), a protective grating (502) is fixedly arranged on the top of the supporting plate (501), and a protective door (503) is rotatably arranged on one side of the protective grating (502);

The cat ladder assembly (6) comprises an inserting block (601) movably mounted on the inner wall of the inserting tube (402), and a ladder (602) is fixedly mounted on the top of the inserting block (601).

2. The lifting device convenient for limiting according to claim 1, wherein: the telescopic hydraulic cylinders (102) are symmetrically distributed about the vertical center line of the mounting plate (101), and the telescopic hydraulic cylinders (102) are respectively arranged at four corners of the mounting plate (101).

3. The lifting device convenient for limiting according to claim 1, wherein: t-shaped rod (203) constitutes rotary mechanism through first rotatory mount pad (205), second electrohydraulic push rod (206) and second rotatory mount pad (207) and dead lever (202), and the bottom of first electrohydraulic push rod (204) is equipped with the auxiliary wheel to the bottom of mounting panel (101) is equipped with four sets of supporting component (2).

4. The lifting device convenient for limiting according to claim 1, wherein: the sliding blocks (304) and the servo motor (302) form a rotating mechanism through the bidirectional screw rods (303), the sliding blocks (304) are symmetrically distributed about the vertical center line of the bidirectional screw rods (303), one sides of the sliding blocks (304) penetrate through connecting rods of the scissor type mechanisms (401) which are movably installed, and meanwhile, the lifting assemblies (4) are symmetrically distributed about the vertical center line of the bidirectional screw rods (303).

5. The lifting device convenient for limiting according to claim 1, wherein: the protective door (503) and the protective grating (502) form a rotating mechanism, and the front end and the rear end of the protective grating (502) are respectively provided with the protective door (503).

6. The lifting device convenient for limiting according to claim 1, wherein: the insert block (601) and the insertion tube (402) form an insertion structure, and the outer size structure of the insert block (601) is consistent with the inner size structure of the insertion tube (402).