CN218261780U - Lifting platform truck - Google Patents

Abstract

The utility model discloses a lifting platform car, include: the foldable lifting device comprises a track-containing support frame, a support platform plate, a foldable lifting structure and a spring support structure, wherein the spring support structure is installed on the track-containing support frame, the spring support structure and the track-containing support frame are provided with the foldable lifting structure, and the support platform plate is arranged on the foldable lifting structure; the spring supporting structure mainly comprises a fixed cross beam, a fixed screw, a spring, a rotary connecting piece, a sliding cross beam, a supporting guide rail and a sliding rod; the folding lifting structure is mainly formed by hinging the middle parts of two groups of supporting rods. The utility model discloses set up a plurality of as required for clamping screw, spring and rotation connecting piece, adapt to the use of different weight, transversely set up spring unit, make every spring unit atress more even, make the platform face keep the level stable.

Description

Lifting platform truck

Technical Field

The utility model relates to a transport means technical field specifically is a lifting platform car.

Background

The lifting platform vehicle is generally used for transporting and lifting, the height of the platform panel is adjusted, the goods can be conveniently taken and placed, and the lifting platform vehicle is mainly used for containerizing, stacking, transporting and is used for placing the goods and products which are unit loads.

The Chinese patent granted publication No. CN213567346U is a movable spring lifting and rotating platform, the workbench comprises a workbench supporting frame and a tray fixedly connected on the workbench supporting frame, and a corresponding low-friction supporting disc is rotatably arranged on the tray; the X type articulated frame that the workstation support frame set up through a set of symmetry can reciprocate be connected to the bottom sprag frame, just the tray with it has a corresponding hydraulic support pole to go back fixing device between the bottom sprag frame, and this scheme makes it can steadily go up and down through spring and hydraulic support pole structure to it can rotate to make the tray with the bearing cooperation, and it is lower to solve the height of tray among the prior art, and the workman loads the goods inconvenient and the tray direction is fixed, can't use fork truck to carry out the problem of direction adjustment under the special circumstances.

However, the above prior art solutions have the following drawbacks: spring quantity can not add for support weight receives the restriction, can't adjust according to the demand, and the practicality is lower, and the vertical setting of spring receives the influence that the atress is uneven easily, and the platform face is difficult to keep the level, and stability is not high.

We have therefore proposed a lifting platform cart to facilitate the solution of the problems set out above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lifting platform car to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lift platform cart comprising: the foldable lifting frame comprises a track supporting frame, a supporting platform plate, a foldable lifting structure and a spring supporting structure, wherein the spring supporting structure is arranged on the track supporting frame, the spring supporting structure and the track supporting frame are provided with the foldable lifting structure, and the supporting platform plate is arranged on the foldable lifting structure;

the spring supporting structure mainly comprises a fixed cross beam, a fixed screw, a spring, a rotary connecting piece, a sliding cross beam, a supporting guide rail and a sliding rod, wherein the supporting guide rail is fixedly arranged with the support frame containing the track, the supporting guide rail is connected with the sliding rod in a sliding manner, and the sliding rod is rotatably connected with the folding lifting structure;

a sliding cross beam is fixedly sleeved in the middle of the sliding rod, a rotating connecting piece is fixedly installed on the sliding cross beam and movably connected with a spring, the spring is movably connected with a hook structure, the hook structure is fixedly connected with a fixing screw rod, the fixing screw rod is fixedly connected with a fixing cross beam, and the fixing cross beam is fixedly installed with a support frame containing a track;

a plurality of fixed screw rods, springs and rotary connecting pieces are arranged;

the folding lifting structure is mainly formed by hinging the middle parts of two groups of supporting rods, guide pulleys are rotatably arranged at the upper ends of the supporting rods, the bottom of one group of supporting rods is rotatably connected with the sliding rod, the other guide pulley is arranged at the bottom of the other group of supporting rods, and the bottom of each supporting rod is connected with a rail-containing supporting frame in a guide sliding manner through the guide pulleys.

Preferably, the support guide rails are provided with two groups, each group is provided with two groups of support guide rails, the two groups of support guide rails are symmetrical front and back, sliding grooves are formed in the support guide rails, sliding rods are arranged in the sliding grooves in a sliding mode and penetrate through the sliding grooves of the two groups of support guide rails simultaneously, and the sliding rods are located between the support guide rails of each group and are connected with the folding lifting structure in a rotating mode.

Preferably, the rotating connecting piece is mainly formed by rotationally connecting a connecting rotating plate and a fixed support, and the fixed support is fixedly connected with the sliding beam.

Preferably, the end part of the connecting rotating plate is connected with one end of a spring in an inserting manner, the other end of the spring is welded with a hook structure, the hook structure is formed by connecting a hook body and a hook ring hook, the hook ring of the hook structure is in threaded connection with a fixing screw rod, the fixing screw rod is fixedly installed with a fixing cross beam in a threaded manner, and the fixing cross beam is welded with a vehicle frame containing a track support.

Preferably, two rails are fixedly arranged on the lower surface of the supporting platform plate and are respectively in sliding clamping connection with a guide pulley at the upper end of the folding lifting structure.

Preferably, the lower surface of the track-containing support frame is provided with a movable pulley structure, the movable pulley structure mainly comprises a fixed pulley and a universal wheel, and a hand lever is fixedly arranged on the track-containing support frame.

Compared with the prior art, the beneficial effects of the utility model are that:

1. a plurality of fixed screw rods, springs and rotary connecting pieces are arranged according to the requirement, the utility model is suitable for the use with different weights, the practicability is higher,

2. transversely set up spring unit, make every spring unit atress more even, make the platform face keep the level stable.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic structural view of the foldable lifting structure including the rail supporting frame, the spring supporting structure of the present invention;

fig. 3 is a schematic structural view of the middle spring support structure of the present invention.

In the figure: 1. a track-containing support frame; 2. a movable pulley structure; 3. a support platform plate; 4. a hand lever; 5. a folding lifting structure; 6. a spring support structure; 7. fixing the cross beam; 8. a guide pulley; 9. fixing the screw rod; 10. a spring; 11. connecting the rotating plate; 12. a fixed bracket; 13. a sliding cross beam; 14. supporting the guide rail; 15. a slide bar; 16. a hook structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a lift platform cart, comprising: the foldable lifting frame comprises a track supporting frame 1, a supporting platform plate 3, a foldable lifting structure 5 and a spring supporting structure 6, wherein the spring supporting structure 6 is installed on the track supporting frame 1, the foldable lifting structure 5 is arranged on the spring supporting structure 6 and the track supporting frame 1, and the supporting platform plate 3 is arranged on the foldable lifting structure 5;

the spring supporting structure 6 mainly comprises a fixed cross beam 7, a fixed screw 9, a spring 10, a rotary connecting piece, a sliding cross beam 13, supporting guide rails 14 and sliding rods 15, wherein the number of the supporting guide rails 14 is two, two supporting guide rails are arranged in each group, and the two groups of the supporting guide rails 14 are symmetrical front and back;

sliding grooves are formed in the supporting guide rails 14, sliding rods 15 are installed in the sliding grooves in a sliding mode, the sliding rods 15 simultaneously penetrate through the sliding grooves of the two groups of supporting guide rails 14, and the parts, located between the supporting guide rails 14, of the sliding rods 15 are rotatably connected with the folding lifting structure 5;

a sliding beam 13 is fixedly sleeved in the middle of the sliding rod 15, a rotating connecting piece is fixedly installed on the sliding beam 13, the rotating connecting piece is mainly formed by connecting a rotating plate 11 and a fixed support 12 in a rotating mode, and the fixed support 12 is fixedly connected with the sliding beam 13;

the end part of the connecting rotating plate 11 is fixedly connected with one end of a spring 10, the other end of the spring 10 is connected with a hook structure 16, the hook structure 16 is formed by connecting a hook body and a hook ring, the hook body of the hook structure 16 is welded with the spring 10, the hook ring of the hook structure 16 is in threaded connection with a fixed screw 9, the fixed screw 9 is fixedly installed with a fixed cross beam 7 in a threaded manner, and the fixed cross beam 7 is fixedly connected with a track-containing support frame 1;

a plurality of fixed screw rods 9, springs 10 and rotary connecting pieces are arranged as required;

the folding lifting structure 5 is mainly formed by hinging the middle parts of two groups of supporting rods, two supporting rods are arranged in each group, the upper ends of the supporting rods are respectively and rotatably provided with a guide pulley 8, the bottom of one group of supporting rods is rotatably connected with a sliding rod 15, the bottom of the other group of supporting rods is provided with another guide pulley 8, and the bottom of each supporting rod is in guide sliding connection with the track-containing supporting frame 1 through the guide pulleys 8;

when the supporting platform plate 3 is stressed to descend, the folding lifting structure 5 is stressed to be folded, the bottoms of the two groups of supporting rods move towards the left side and the right side respectively, the supporting rod at the right part drives the sliding rod 15 to move rightwards along the supporting guide rail 14 to drive the sliding cross beam 13 to move rightwards, the sliding cross beam 13 stretches the spring 10 through a rotating connecting piece, the spring 10 reversely provides acting force through self elasticity, the folding lifting structure 5 is prevented from being folded, the supporting platform plate 3 is further prevented from descending, and when the supporting platform plate 3 is not stressed any more, the supporting platform plate 3 is jacked up by the elasticity to ascend and reset;

the lower surface of the supporting platform plate 3 is fixedly provided with two rails which are respectively clamped with the guide pulleys 8 at the upper end of the folding lifting structure 5 in a sliding manner, so that the supporting platform plate 3 is still kept in a horizontal state when the folding lifting structure 5 is folded;

contain track support frame 1 lower surface installation removal pulley structure 2, remove pulley structure 2 and mainly constitute by fixed pulley and universal wheel, be convenient for contain track support frame 1's bulk movement and turn to, contain fixed mounting hand lever 4 on the track support frame 1, pull through hand lever 4 control and push away contain track support frame 1.

Those not described in detail in this specification are within the skill of the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A lift platform cart, comprising: contain track support frame (1), supporting platform board (3), folding elevation structure (5), spring bearing structure (6), its characterized in that: a spring supporting structure (6) is installed on the track-containing supporting frame (1), a folding lifting structure (5) is arranged on the spring supporting structure (6) and the track-containing supporting frame (1), and a supporting platform plate (3) is arranged on the folding lifting structure (5);

the spring supporting structure (6) mainly comprises a fixed cross beam (7), a fixed screw (9), a spring (10), a rotary connecting piece, a sliding cross beam (13), a supporting guide rail (14) and a sliding rod (15), wherein the supporting guide rail (14) is fixedly arranged with the track-containing supporting frame (1), the supporting guide rail (14) is connected with the sliding rod (15) in a sliding manner, and the sliding rod (15) is connected with the folding lifting structure (5) in a rotating manner;

a sliding cross beam (13) is fixedly sleeved in the middle of a sliding rod (15), a rotating connecting piece is fixedly installed on the sliding cross beam (13), the rotating connecting piece is movably connected with a spring (10), the spring (10) is movably connected with a hook structure (16), the hook structure (16) is fixedly connected with a fixed screw (9), the fixed screw (9) is fixedly connected with a fixed cross beam (7), and the fixed cross beam (7) is fixedly installed with a support frame (1) with a track;

a plurality of fixed screw rods (9), springs (10) and rotary connecting pieces are arranged;

folding elevation structure (5) mainly comprise two sets of bracing pieces middle part is articulated, and the bracing piece upper end all rotates installation guide pulley (8), and the bottom and the slide bar (15) of one of them group bracing piece rotate to be connected, and other guide pulley (8) are installed to the bottom of another group bracing piece, make bracing piece bottom and contain track support frame (1) direction sliding connection through this guide pulley (8).

2. A lifting platform trolley according to claim 1, characterized in that there are two sets of support rails (14), two sets of support rails (14) are provided, and the two sets of support rails (14) are symmetrical front and back, sliding grooves are provided in the support rails (14), sliding rods (15) are slidably mounted in the sliding grooves, the sliding rods (15) simultaneously penetrate through the sliding grooves of the two sets of support rails (14), and the part of the sliding rods (15) located between the support rails (14) of each set is rotatably connected with the folding lifting structure (5).

3. A lifting platform carriage as claimed in claim 2, characterized in that the swivel connection is formed by a swivel connection of a connecting swivel plate (11) and a fixed bracket (12), the fixed bracket (12) being fixedly connected to the sliding cross-member (13).

4. The lifting platform trolley according to claim 3, wherein the end part of the connecting rotating plate (11) is connected with one end of a spring (10) in an inserting manner, the other end of the spring (10) is welded with a hook structure (16), the hook structure (16) is formed by connecting a hook body and a hook ring hook, the hook ring of the hook structure (16) is connected with a fixing screw rod (9) in a threaded manner, the fixing screw rod (9) is fixedly installed with the fixing cross beam (7) in a threaded manner, and the fixing cross beam (7) is welded with the track-containing support frame (1).

5. The lifting platform trolley according to claim 1, characterized in that two rails are fixedly arranged on the lower surface of the supporting platform plate (3) and are respectively in sliding clamping connection with a guide pulley (8) at the upper end of the folding lifting structure (5).

6. The lifting platform trolley as claimed in claim 1, wherein a movable pulley structure (2) is mounted on the lower surface of the track-containing support frame (1), the movable pulley structure (2) mainly comprises a fixed pulley and a universal wheel, and a hand lever (4) is fixedly mounted on the track-containing support frame (1).

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