CN215326757U - Folding hydraulic lifting machine - Google Patents

Abstract

The utility model discloses a folding hydraulic elevator, which comprises a cart body, a lifting plate and a hydraulic component for driving the lifting plate, wherein one side of the cart body is provided with a pushing handle, one side of the bottom surface of the cart body, which is close to the pushing handle, is provided with two universal wheels, the bottom surface of the cart body is also hinged with two supporting bars, one ends of the two supporting bars, which are far away from the universal wheels, are provided with roller grooves, the trolley body is also provided with a driving component which drives the supporting bar to rotate and change the limit, when the trolley body moves, the support bar is vertical spacing, and the gyro wheel can roll, and the lifter plate during operation pushes down the pushing hands, and shallow body one end perk, gyro wheel liftoff, and drive assembly makes the support bar trun into the level spacing, and the support bar contacts to earth, plays the supporting role, has increased the area of contact with ground, stability when increasing the lifting machine and using.

Description

Folding hydraulic lifting machine

Technical Field

The utility model relates to the field of hydraulic elevators, in particular to a folding type hydraulic elevator.

Background

The hydraulic lifting machine is a machine for lifting objects, generally comprises a deformation frame and a hydraulic cylinder, the deformation frame is arranged between a base and a lifting plate, the deformation frame is driven by the hydraulic cylinder to deform, the lifting plate is driven to lift, and in order to facilitate the movement of the hydraulic lifting machine, a product combining the hydraulic lifting machine and a trolley is also available at present, namely the trolley is taken as the base.

When setting up like this, also new problem has appeared, because the shallow bottom generally sets up a pair of gyro wheel and a pair of universal wheel, the area of contact of gyro wheel, universal wheel and ground is all very little, so frictional force between hydraulic lifting machine and the ground is less, and holistic stability is not enough, the condition of skew appears easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a folding hydraulic lifting machine, wherein a roller is arranged on a supporting strip, the supporting strip can rotate relative to a trolley body, and when the hydraulic lifting machine is required, the supporting strip is converted into a horizontal state, so that the supporting strip is in contact with the ground, the friction force is increased, and the folding hydraulic lifting machine has the advantage of improving the stability.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a foldable hydraulic lifting machine, includes the hydraulic assembly of shallow body, lifter plate and drive lifter plate, one side of shallow body is equipped with the pushing hands, one side that shallow body bottom surface is close to the pushing hands is equipped with two universal wheels, shallow body bottom surface still articulates there are two support bars, two the one end that the universal wheel was kept away from to the support bar all is equipped with the gyro wheel groove, and gyro wheel inslot rotation is connected with the gyro wheel, and the relative shallow body of support bar has two vertical, horizontal spacing, still be equipped with the drive support bar on the shallow body and rotate, change spacing drive assembly, when the shallow body removes, the support bar is vertical spacing, and the gyro wheel can roll, and the lifter plate during operation pushes down the pushing hands, and shallow body one end perk, gyro wheel liftoff, drive assembly makes the support bar trun into the level spacing, and the support bar contacts to earth, plays supporting role.

Adopt above-mentioned technical scheme, when the shallow body removed, the support bar was vertical spacing, and the gyro wheel can roll, and the lifter plate during operation makes the support bar trun into the level spacing, and the support bar contacts to earth, plays the supporting role, compares original gyro wheel and contacts to earth, has increased the area of contact with ground, has increased frictional force, just also increases the stability when lifting machine uses.

As preferred, drive assembly includes four torsional springs, two stay cords, four the both ends of two support bars are located respectively to the torsional spring, and under the effect of torsional spring, two support bars keep at vertical spacing, two the one end of stay cord respectively with the bottom surface fixed connection of two support bars, the pulling stay cord makes the support bar overcome the torsional spring, rotate to the level spacing, after having used up, when needing to remove the shallow again, push down the pushing hands, shallow body one end perk, under the torsional spring effect, the support bar resets, then puts down the shallow, and the gyro wheel contacts to ground.

By adopting the technical scheme, the supporting strips are horizontally limited by the pull ropes when the lifting plate works.

Preferably, the pushing handle is in an inverted U shape and is hollow, the other ends of the two pull ropes penetrate into the pushing handle and are connected with each other, and a notch is formed in the horizontal portion of the pushing handle.

By adopting the technical scheme, the two supporting strips can be conveniently pulled to rotate simultaneously.

Preferably, two the support bar is under vertical spacing state, and the top surface one of support bar is equipped with a plurality of mounting grooves, and the joint has magnet in the mounting groove, the shallow body is the cast iron material.

By adopting the technical scheme, the magnet is matched with the torsion spring, so that the supporting bar is more stably positioned at the vertical limit position, and the supporting bar is convenient to reset from the horizontal limit position to the vertical limit position.

Preferably, the push handle is provided with a hand brake, and the hand brake controls the two universal wheels.

By adopting the technical scheme, the universal wheels are braked and stopped, and the push handle is conveniently pressed down, so that one end of the cart body is tilted.

Preferably, a layer of rubber is bonded on the outer side face one of the two supporting bars.

By adopting the technical scheme, the friction force between the bottom surfaces is increased, and the stability is improved.

Drawings

FIG. 1 is a schematic view of an embodiment of a vertical limit of a support bar;

FIG. 2 is a schematic view of horizontal position limitation of the supporting bar according to the embodiment;

FIG. 3 is a bottom view of the embodiment;

FIG. 4 is an enlarged view of a part of embodiment A.

Reference numerals: 1. a cart body; 011. connecting lugs; 012. a first cylinder; 013. a wire sleeve; 2. a lifting plate; 3. a pushing handle; 31. a notch; 4. a universal wheel; 5. a supporting strip; 51. a raised post; 52. a limiting block; 53. a first outer side surface; 54. a first top surface; 55. the inner side surface I; 56. a second cylinder; 6. a roller; 7. a torsion spring; 8. pulling a rope; 9. a magnet; 10. and (6) a hand brake.

Detailed Description

The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model.

As shown in fig. 1 and 2, the folding hydraulic elevator comprises a cart body 1, a lifting plate 2 and a hydraulic assembly for driving the lifting plate 2, wherein a pushing handle 3 is arranged on one side of the cart body 1, so that the cart can be conveniently pushed. The hydraulic assembly comprises a deformation frame and a hydraulic cylinder for driving the deformation frame, and the mode for realizing lifting by driving the deformation frame through the hydraulic cylinder is the prior art and is not repeated on the principle.

One side that 1 bottom surface of shallow body is close to pushing hands 3 is equipped with two universal wheels 4, and 1 bottom surface of shallow body still articulates there are two support bars 5, articulated mode: two connecting lugs 011 are arranged on the bottom surface of the cart body 1, and protruding columns 51 matched with the connecting lugs 011 are arranged at two ends of the supporting bar 5. The position of the protruding column 51 is controlled, so that the supporting strip 5 is vertically and horizontally limited relative to the cart body 1, when the supporting strip 5 is vertically limited, the first top surface 54 of the supporting strip 5 is abutted against the bottom surface of the cart body 1, and when the supporting strip 5 rotates 90 degrees and is horizontally limited, the first inner side surface 55 of the supporting strip 5 is abutted against the bottom surface of the cart body 1.

The one end that universal wheel 4 was kept away from to two support bars 5 all is equipped with the gyro wheel groove, and the gyro wheel inslot internal rotation is connected with gyro wheel 6, and when the lifting machine needs to remove, support bar 5 is in vertical spacing, and gyro wheel 6 is vertical state, still is equipped with on the shallow body 1 to drive support bar 5 and rotates, changes spacing drive assembly.

As shown in fig. 3 and 4, the driving assembly includes four torsion springs 7 and two pull ropes 8, the four torsion springs 7 are respectively disposed at two ends of the two support bars 5, and the protruding columns 51 at two ends of the support bars 5 have a certain length in order to dispose the torsion springs 7. The torsion spring 7 is sleeved on the protruding column 51, and the torsion spring 7 is located between the connecting lug 011 and the supporting bar 5. In order to limit the movement of the supporting bar 5 in the axial direction of the protruding columns 51, the two protruding columns 51 penetrate out of the connecting lug 011, and the penetrating parts of the protruding columns 51 are fixedly connected with limit blocks 52. One side that engaging lug 011 is close to torsional spring 7 is equipped with the cylinder 012 of cooperation torsional spring 7, and one side that support bar 5 is close to torsional spring 7 is equipped with the cylinder two 56 of cooperation torsional spring 7, and under torsional spring 7's effect, support bar 5 keeps vertical spacing. In order to enable the supporting bar 5 to be located in a vertical limiting position more stably, a plurality of mounting grooves are formed in the first top surface 54 of the supporting bar 5, magnets 9 are connected in the mounting grooves in a clamped mode, and the trolley body 1 is made of cast iron.

One end of two stay cords 8 respectively with a bottom surface fixed connection of two support bars 5, pushing hands 3 is the type of falling U, and pushing hands 3 cavity, the bottom surface of shallow is equipped with a plurality of line covers 013, the other end of stay cord 8 passes line cover 013 in proper order, through the direction of line cover 013, penetrates pushing hands 3 at last. And the other ends of the two pulling ropes 8 are connected with each other, and the horizontal part of the pushing handle 3 is provided with a notch 31. The pushing handle 3 is also provided with a hand brake 10, and the hand brake 10 controls the two universal wheels 4. When the supporting bars 5 need to be driven to rotate and limit the position, the universal wheels 4 are braked and stopped firstly, the pushing hands 3 are pressed downwards, one end of the trolley body 1 is tilted, the rollers 6 are lifted off the ground, then the pull ropes 8 in the gaps 31 are pulled, the two supporting bars 5 overcome the torsion springs 7 and rotate to the horizontal position, then the trolley is put down, the width of the supporting bars 5 is controlled, the outer side surfaces 53 of the two supporting bars 5 are in contact with the ground, and a layer of rubber (for convenience of representation, the rubber is not shown in the figure) is further bonded on the outer side surfaces 53 of the supporting bars 5. Therefore, the contact area with the ground is increased, and the stability of the hoister in use is improved.

After the trolley is used, when the trolley needs to be moved again, the push handle 3 is pressed downwards, one end of the trolley body 1 is tilted, the supporting bar 5 is reset under the action of the torsion spring 7 and the magnet 9, then the trolley is put down, the idler wheel 6 contacts the ground, and the hand brake 10 is loosened.

Claims (6)

1. The folding hydraulic elevator comprises a cart body (1), a lifting plate (2) and a hydraulic assembly for driving the lifting plate (2), wherein one side of the cart body (1) is provided with a pushing handle (3), and the folding hydraulic elevator is characterized in that one side of the bottom surface of the cart body (1) close to the pushing handle (3) is provided with two universal wheels (4), the bottom surface of the cart body (1) is also hinged with two supporting bars (5), one ends of the two supporting bars (5) far away from the universal wheels (4) are respectively provided with a roller groove, the rollers (6) are rotationally connected in the roller grooves, the supporting bars (5) are vertically and horizontally limited relative to the cart body (1), the cart body (1) is also provided with a driving supporting bar (5) for rotating and changing a limiting driving assembly, when the cart body (1) moves, the supporting bars (5) are vertically limited, the rollers (6) can roll, when the lifting plate (2) works, the push handle (3) is pressed downwards, one end of the cart body (1) is tilted, the roller (6) is lifted off, the driving assembly enables the supporting bar (5) to be turned into horizontal limiting, and the supporting bar (5) contacts the ground to play a supporting role.

2. The foldable hydraulic lifting machine as claimed in claim 1, characterized in that the driving assembly comprises four torsion springs (7) and two pull ropes (8), the four torsion springs (7) are respectively arranged at two ends of the two support bars (5), and under the action of the torsion springs (7), the two support bars (5) are kept at a vertical limit position, one ends of the two pull ropes (8) are respectively fixedly connected with the bottom surfaces of the two support bars (5), and the pull ropes (8) are pulled to enable the support bars (5) to overcome the torsion springs (7) and rotate to a horizontal limit position.

3. The foldable hydraulic lifter according to claim 2, characterized in that the pushing handle (3) is in an inverted U shape, the pushing handle (3) is hollow, the other ends of the two pulling ropes (8) penetrate into the pushing handle (3) and are connected with each other, and a notch (31) is formed in the horizontal part of the pushing handle (3).

4. The folding hydraulic lifting machine as claimed in claim 2, characterized in that the two support bars (5) are vertically limited, the first top surface (54) of the support bar (5) is provided with a plurality of mounting grooves, magnets (9) are clamped in the mounting grooves, and the cart body (1) is made of cast iron.

5. The folding hydraulic hoist as claimed in claim 1, characterized in that a handbrake (10) is provided on the pusher (3), the handbrake (10) controlling the two casters (4).

6. The hydraulic lifting machine as claimed in claim 1, characterized in that a rubber layer is bonded to the first outer side (53) of the two support bars (5).

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