CN221027548U

CN221027548U - Safety lifting device

Info

Publication number: CN221027548U
Application number: CN202322732971.2U
Authority: CN
Inventors: 蔡山明; 仇刘兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2024-04-01
Filing date: 2024-04-01
Publication date: 2024-05-28
Anticipated expiration: 2034-04-01

Abstract

The utility model discloses a safe lifting device which comprises a bottom plate, a lifting mechanism and a movable positioning mechanism, wherein the lifting mechanism comprises a hydraulic motor fixedly arranged on the top surface of the bottom plate, a second rotating frame is fixedly arranged in the middle of the top surface of the bottom plate, a second connecting rod penetrates through the second rotating frame and is fixedly arranged at the output shaft end of the hydraulic motor, a first rotating frame is fixedly arranged at the other end of the second connecting rod, a first connecting rod is fixedly arranged at the other end of the first rotating frame, a third rotating frame is fixedly arranged at the one end, far away from the first rotating frame, of the connecting rod, and a fixing plate is fixedly arranged at the top end of the third rotating frame. According to the utility model, the hydraulic motor is started to rotate, the second connecting rod is driven to rotate by the hydraulic motor, and the first connecting rod is driven to push the fixing plate to move upwards by the cooperation of the first rotating frame and the third rotating frame, so that lifting is realized.

Description

Safety lifting device

Technical Field

The utility model relates to the field of electromechanical engineering construction equipment, in particular to a safe lifting device.

Background

The lifting platform is a lifting machine for vertically conveying people or objects. Also means equipment for vertical transportation in logistics systems such as factories and automatic warehouses, and various plane transportation equipment is often arranged on the lifting platform as a connecting device of transportation lines with different heights. Generally, hydraulic driving is adopted, so that the hydraulic lifting platform is called. Besides being used for transporting cargoes at different heights, the device is widely applied to operations such as high-altitude installation and maintenance.

There are also many types of lifting platforms for electromechanical engineering construction in the market, but the structure is complex, the operation is inconvenient, the stability of the lifting process cannot be ensured, the movement is inconvenient, and certain defects exist.

Disclosure of utility model

The utility model aims to provide a safe lifting device which is simple in structure, convenient to operate, capable of guaranteeing stability of a lifting process, capable of flexibly moving, capable of damping in the moving process, capable of positioning in construction operation and guaranteeing stability in operation.

The aim of the utility model can be achieved by the following technical scheme:

The safe lifting device comprises a bottom plate, a lifting mechanism and a movable positioning mechanism, wherein the lifting mechanism is fixedly arranged on the top surface of the bottom plate, and the movable positioning mechanism is fixedly arranged on the bottom surface of the bottom plate;

The lifting mechanism comprises a hydraulic motor fixedly arranged on the top surface of the bottom plate, a second rotating frame is fixedly arranged in the middle of the top surface of the bottom plate, a second connecting rod penetrates through the output shaft end of the hydraulic motor and is fixedly arranged on the second rotating frame, a first rotating frame is fixedly arranged at the other end of the second connecting rod, a first connecting rod is fixedly arranged at the other end of the first rotating frame, a third rotating frame is fixedly arranged at the connecting rod far away from the one end of the first rotating frame, and a fixing plate is fixedly arranged at the top end of the third rotating frame.

As a further scheme of the utility model: the bottom plate top surface left end is symmetrical evenly distributed fixed mounting and has two first spouts, fixed mounting has first sliding block in the middle of the first spout, first sliding block upper end fixed mounting has the cross connecting rod, cross connecting rod left end fixed mounting has the second sliding block, second sliding block outer wall swing joint has the second spout, second spout top fixed mounting is in the fixed plate bottom, equal fixed mounting in cross connecting rod right side top and bottom has the locating piece, wherein the upper end locating piece top fixed mounting is in the fixed plate bottom, wherein the lower extreme locating piece bottom fixed mounting is in the bottom plate top surface.

As a further scheme of the utility model: four protection right angle plates are fixedly arranged on the top surface of the fixing plate in a rectangular and uniform distribution mode.

As a further scheme of the utility model: the movable positioning mechanism comprises four hydraulic telescopic rods which are rectangular and fixedly arranged on the bottom surface of a bottom plate, rubber backing plates are fixedly arranged at the bottom ends of the four hydraulic telescopic rods, four movable positioning frames are uniformly and fixedly arranged on the bottom surface of the bottom plate, a connecting plate is fixedly arranged at the other end of each movable positioning frame, springs are fixedly arranged at the upper ends of the connecting plates, and the top ends of the springs are fixedly arranged on the bottom surface of the bottom plate.

As a further scheme of the utility model: the rotary bearing is fixedly arranged at the bottom end of the connecting plate, and the pulley is fixedly arranged at the inner ring of the rotary bearing.

The utility model has the beneficial effects that:

1. According to the utility model, the lifting mechanism is arranged, after the integral structure is moved to a proper position, the movable positioning mechanism is used for positioning the integral structure, the hydraulic motor is started to rotate after the positioning is completed, the second connecting rod is driven to rotate by the hydraulic motor, the first connecting rod is driven to push the fixing plate to move upwards by the cooperation of the first rotating frame and the third rotating frame, lifting is realized, the first sliding block and the second sliding block slide in the first sliding groove and the second sliding groove respectively while the fixing plate moves upwards, the crossed connecting rod performs cross movement, and the lifting stability of the fixing plate is improved by cooperation with lifting of the fixing plate;

2. According to the utility model, the movable positioning mechanism is arranged, the pulley is used for driving the integral structure to move, the moving direction is changed in cooperation with the rotating bearing, the moving convenience is ensured, the spring is arranged to be matched with the positioning rotating frame during moving, so that the shock feeling during moving is reduced, after the movable positioning mechanism is moved to a proper position, the hydraulic telescopic rod is started to move downwards to drive the rubber backing plate to contact with the ground, the integral structure is supported, and the positioning operation of the integral structure is realized, so that the flexible movement can be realized, the shock absorption can be realized during the moving process, the positioning can be realized during the construction operation, and the stability during the operation is ensured.

Drawings

The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a side view of the present utility model;

FIG. 4 is a cross-sectional view at A-A in FIG. 3;

In the figure: 1. a bottom plate; 2. a lifting mechanism; 201. a first slider; 202. a cross connecting rod; 203. a first rotating frame; 204. a first connecting rod; 205. a second connecting rod; 206. a second rotating frame; 207. a hydraulic motor; 208. a positioning block; 209. a second chute; 210. a second slider; 211. a first chute; 212. a third rotating frame; 3. a moving positioning mechanism; 301. a hydraulic telescopic rod; 302. moving the positioning frame; 303. a rubber backing plate; 304. a connecting plate; 305. a spring; 306. a rotating bearing; 307. a pulley; 4. a fixing plate; 5. and (5) protecting the right angle plate.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4, a safety lifting device comprises a bottom plate 1, a lifting mechanism 2 and a movable positioning mechanism 3, wherein the lifting mechanism 2 is fixedly arranged on the top surface of the bottom plate 1, and the movable positioning mechanism 3 is fixedly arranged on the bottom surface of the bottom plate 1; the lifting mechanism 2 comprises a hydraulic motor 207 fixedly arranged on the top surface of the bottom plate 1, a second rotating frame 206 is fixedly arranged in the middle of the top surface of the bottom plate 1, a second connecting rod 205 is fixedly arranged at the output shaft end of the hydraulic motor 207, penetrating through the second rotating frame 206, a first rotating frame 203 is fixedly arranged at the other end of the second connecting rod 205, a first connecting rod 204 is fixedly arranged at the other end of the first rotating frame 203, a third rotating frame 212 is fixedly arranged at one end of the connecting rod, far away from the first rotating frame 203, and a fixing plate 4 is fixedly arranged at the top end of the third rotating frame 212;

The left end of the top surface of the bottom plate 1 is symmetrically and uniformly distributed and fixedly provided with two first sliding grooves 211, the middle of the first sliding grooves 211 is fixedly provided with a first sliding block 201, the upper end of the first sliding block 201 is fixedly provided with a cross connecting rod 202, the left end of the cross connecting rod 202 is fixedly provided with a second sliding block 210, the outer wall of the second sliding block 210 is movably connected with a second sliding groove 209, the top end of the second sliding groove 209 is fixedly arranged at the bottom end of the fixed plate 4, the top end and the bottom end of the right side of the cross connecting rod 202 are fixedly provided with positioning blocks 208, the top end of the upper positioning block 208 is fixedly arranged at the bottom end of the fixed plate 4, and the bottom end of the lower positioning block 208 is fixedly arranged at the top surface of the bottom plate 1 to be matched with the upward movement of the fixed plate 4 so as to increase the stability of the lifting process;

four protection right angle plates 5 are fixedly arranged on the top surface of the fixing plate 4 in a rectangular and uniform distribution mode, and constructors are protected through the protection right angle plates 5.

The working principle of the utility model is as follows: after the staff moves the overall structure to the suitable position, use to remove positioning mechanism 3 and fix a position the overall structure, after accomplishing the location, start hydraulic motor 207 and rotate, use hydraulic motor 207 to drive second connecting rod 205 and rotate, at the cooperation of first swivel mount 203 and third swivel mount 212, drive head rod 204 and promote fixed plate 4 upward movement, realize going up and down, when fixed plate 4 upward movement, first sliding block 201 and second sliding block 210 slide in first spout 211 and second spout 209 respectively, cross connecting rod 202 carries out cross movement, cooperate the lift of fixed plate 4, increase the stability of fixed plate 4 lift, and a structure is simple, and the operation of being convenient for also can guarantee the stability of lift process.

As shown in fig. 1-4, the moving positioning mechanism 3 comprises four hydraulic telescopic rods 301 which are fixedly installed on the bottom surface of the bottom plate 1 in a rectangular distribution manner, rubber base plates 303 are fixedly installed at the bottom ends of the four hydraulic telescopic rods 301, four moving positioning frames 302 are fixedly installed on the bottom surface of the bottom plate 1 in a rectangular uniform distribution manner, a connecting plate 304 is fixedly installed at the other end of the moving positioning frames 302, a spring 305 is fixedly installed at the upper end of the connecting plate 304, the top end of the spring 305 is fixedly installed on the bottom surface of the bottom plate 1, a rotating bearing 306 is fixedly installed at the bottom end of the connecting plate 304, pulleys 307 are fixedly installed at the inner ring of the rotating bearing 306, the pulleys 307 can be driven to rotate by the rotating bearing 306, and the moving direction can be changed.

The working principle of the utility model is as follows: the staff uses pulley 307 to drive overall structure and removes, the cooperation at swivel bearing 306 carries out the change of direction of movement, guarantee the convenience of removal, when removing, install at spring 305 and location swivel mount mutually support, reduce the vibrations sense at the removal process, after removing suitable position, start hydraulic telescoping rod 301 downward movement, drive rubber backing plate 303 and ground and contact, overall structure's location operation, thereby can carry out nimble removal, also can carry out the shock attenuation at the removal process, can fix a position when construction operation, stability when guaranteeing the operation.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. The safe lifting device is characterized by comprising a bottom plate (1), a lifting mechanism (2) and a movable positioning mechanism (3), wherein the lifting mechanism (2) is fixedly arranged on the top surface of the bottom plate (1), and the movable positioning mechanism (3) is fixedly arranged on the bottom surface of the bottom plate (1);

Elevating system (2) are including fixed mounting at hydraulic motor (207) of bottom plate (1) top surface, fixed mounting has second swivel mount (206) in the middle of bottom plate (1) top surface, hydraulic motor (207) output axle head runs through second swivel mount (206) fixed mounting has second connecting rod (205), second connecting rod (205) other end fixed mounting has first swivel mount (203), first swivel mount (203) other end fixed mounting has head rod (204), the connecting rod is kept away from first swivel mount (203) one end fixed mounting and is had third swivel mount (212), third swivel mount (212) top fixed mounting has fixed plate (4).

2. The safety lifting device according to claim 1, wherein two first sliding grooves (211) are symmetrically and uniformly distributed and fixedly arranged at the left end of the top surface of the bottom plate (1), a first sliding block (201) is fixedly arranged in the middle of the first sliding grooves (211), a crossed connecting rod (202) is fixedly arranged at the upper end of the first sliding block (201), a second sliding block (210) is fixedly arranged at the left end of the crossed connecting rod (202), a second sliding groove (209) is movably connected to the outer wall of the second sliding block (210), the top end of the second sliding groove (209) is fixedly arranged at the bottom end of the fixed plate (4), a positioning block (208) is fixedly arranged at the top end and the bottom end of the right side of the crossed connecting rod (202), the top end of the positioning block (208) is fixedly arranged at the bottom end of the fixed plate (4), and the bottom end of the positioning block (208) is fixedly arranged at the top surface of the bottom plate (1).

3. The safety lifting device according to claim 1, wherein four protection rectangular plates (5) are fixedly arranged on the top surface of the fixing plate (4) in rectangular uniform distribution.

4. The safety lifting device according to claim 1, wherein the movable positioning mechanism (3) comprises four hydraulic telescopic rods (301) which are rectangular and fixedly installed on the bottom surface of the bottom plate (1), rubber base plates (303) are fixedly installed at the bottom ends of the four hydraulic telescopic rods (301), four movable positioning frames (302) are uniformly rectangular and fixedly installed on the bottom surface of the bottom plate (1), a connecting plate (304) is fixedly installed at the other end of the movable positioning frames (302), springs (305) are fixedly installed at the upper ends of the connecting plates (304), and the top ends of the springs (305) are fixedly installed on the bottom surface of the bottom plate (1).

5. The safety lifting device according to claim 4, wherein a rotating bearing (306) is fixedly arranged at the bottom end of the connecting plate (304), and a pulley (307) is fixedly arranged at the inner ring of the rotating bearing (306).