CN218931491U - Hoisting device - Google Patents

Abstract

A lifting device comprises a base, a heel brace and a lifting frame, wherein the lifting frame is arranged at the top of the base; the number of the two foot supports is two, the two foot supports are arranged at the two ends of the base in a swinging way, and the two foot supports swing to be used for adjusting the opening angles of the two foot supports; the lifting frame is provided with a lifting mechanism which is used for lifting a heavy object on the foot support or lifting the heavy object on the foot support; the base is equipped with the truckle subassembly, and the truckle subassembly is used for transporting the heavy object. According to the utility model, the opening angle of the two foot supports can be adjusted, so that the lifting device is applicable to weights with different body sizes, the lifting device is enabled to be more practical, and the problem that the lifting device is lack of practical applicability due to the fact that the lifting device in the prior art is provided with an isosceles tripod with fixed angle to bear the weights, so that only the weights with specific body sizes can be borne is solved.

Description

Hoisting device

Technical Field

The utility model relates to the technical field of hoisting machinery, in particular to a hoisting device.

Background

The lifting device is a multi-action lifting machine for vertically lifting and horizontally carrying heavy objects in a certain range, belongs to material carrying machines, and mainly takes materials, moves or unloads and the like. In an assembly or maintenance workshop, the lifting device is matched, so that corresponding assembly or maintenance is convenient for workers, and the working strength of the workers is further reduced.

The hoisting accessory of prior art, a hand crane jack-up as disclosed in chinese patent CN211198422U, including carriage board and manual capstan winch, the carriage board includes first side pipe, second side pipe and the bottom plate frame of pipe connection, the bottom plate frame comprises isosceles triangle frame and convex steel sheet, the top of isosceles triangle frame passes through nut fixed connection in the bulge below of convex steel sheet, isosceles tripod passes through convex rigid sheet fixed mounting in the bottom of carriage board, isosceles tripod is used for bearing the weight, and fixed mounting's isosceles tripod can't be according to the size of weight and adjust the angle of opening, only can bear the weight of specific body size, application scope is narrow.

Disclosure of Invention

In view of the above-mentioned drawbacks, an object of the present utility model is to provide a lifting device, which can adjust the angle of the expansion of the foot support to adapt to weights with different sizes.

To achieve the purpose, the utility model adopts the following technical scheme:

the lifting device comprises a base, a heel brace and a lifting frame, wherein the lifting frame is arranged at the top of the base;

the number of the two foot supports is two, the two foot supports are arranged at the two ends of the base in a swinging way, and the two foot supports swing to adjust the opening angles of the two foot supports;

the lifting frame is provided with a lifting mechanism which is used for lifting a weight on the foot support or lifting the weight on the foot support; the base is equipped with the truckle subassembly, the truckle subassembly is used for transporting the heavy object.

Further, the base comprises a bottom plate and a top plate, a foot support installation space is formed between the bottom plate and the top plate, and one end of the foot support is installed in the foot support installation space;

a connecting plate is arranged between the bottom plate and the top plate, and the connecting plate is fixedly connected with the bottom plate and the top plate.

Further, the two ends of the top plate are provided with a first mounting hole and a mounting piece, a third mounting hole is formed in the position, opposite to the first mounting hole, of the bottom plate, and a second mounting hole is formed in one end of the foot support;

the mounting piece sequentially passes through the first mounting hole, the second mounting hole and the third mounting hole, so that the heel brace is mounted in the heel brace mounting space.

Further, both ends of the top plate are also provided with a first limiting hole and a limiting piece;

the number of the first limiting holes is multiple, and the first limiting holes circumferentially encircle the first mounting holes;

one end of the foot support is provided with a second limiting hole, and the distance between the second limiting hole and the second mounting hole is matched with the distance between the first limiting hole and the first mounting hole;

the limiting piece sequentially penetrates through the second limiting hole and the first limiting hole, so that the heel brace is positioned in the heel brace installation space.

Further, the caster assembly includes a first caster and a second caster;

the base is provided with a caster mounting seat on one side away from the heel brace, and the first caster is mounted at the bottom of the caster mounting seat;

the number of the second casters is multiple, and the second casters are arranged at the bottom of the bottom plate side by side.

Further, a third castor is arranged at one end of the foot support far away from the base.

Further, the hoisting mechanism comprises a winding drum, a driving piece and a steel wire rope;

the driving end of the driving piece is connected with the winding drum, one end of the steel wire rope is wound on the surface of the winding drum, and the other end of the steel wire rope is pulled to the upper part of the heel brace along the lifting frame;

the other end of the steel wire rope is provided with a lifting hook, and the lifting hook is used for hanging a heavy object.

Further, the lifting frame comprises a vertical support and a suspension arm, and the vertical support is connected with the base and the suspension arm;

the vertical support is provided with a mounting plate, and the winding drum and the driving piece are fixedly mounted on the mounting plate;

pulleys are mounted at two ends of the suspension arm, and the pulleys are used for pulling the steel wire rope to wind the lifting frame.

Further, the vertical support is also provided with a handle.

The technical scheme provided by the utility model can comprise the following beneficial effects:

according to the utility model, the opening angle of the two foot supports can be adjusted, so that the lifting device is applicable to weights with different body sizes, the lifting device is enabled to be more practical, and the problem that the lifting device is lack of practical applicability due to the fact that the lifting device in the prior art is provided with an isosceles tripod with fixed angle to bear the weights, so that only the weights with specific body sizes can be borne is solved.

Drawings

FIG. 1 is a side view of one embodiment of a lifting device of the present utility model;

FIG. 2 is a front view of the embodiment shown in FIG. 1;

FIG. 3 is a top view of the embodiment shown in FIG. 1;

FIG. 4 is a side view of the foot rest installation of the embodiment of FIG. 1;

FIG. 5 is a top view of the base of the embodiment of FIG. 1;

wherein: 1-a base, 11-a bottom plate, 12-a top plate, 121-a first mounting hole, 122-a mounting piece, 123-a first limiting hole, 124-a limiting piece, 13-a connecting plate and 14-a caster mounting seat; 2-foot supports, 21-second mounting holes, 22-second limiting holes and 23-third casters; 3-lifting frames, 31-vertical supports, 311-mounting plates, 312-handles, 32-suspension arms and 321-pulleys; 4-castor assembly, 41-first castor, 42-second castor; 5-lifting mechanism, 51-winding drum, 52-driving piece, 53-wire rope and 531-lifting hook.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

A lifting device according to an embodiment of the present utility model is described below with reference to fig. 1 to 5, and includes a base 1, a heel brace 2, and a lifting frame 3, where the lifting frame 3 is mounted on top of the base 1; the number of the two foot supports 2 is two, the two foot supports 2 are arranged at the two ends of the base 1 in a swinging way, and the two foot supports 2 are used for adjusting the opening angle of the two foot supports 2 in a swinging way; the lifting frame 3 is provided with a lifting mechanism 5, and the lifting mechanism 5 is used for lifting a weight placed on the heel brace 2 or lifting the weight on the heel brace 2; the base 1 is provided with a castor assembly 4, the castor assembly 4 being used for transporting heavy objects.

According to the utility model, after the heavy object is lifted by the lifting mechanism 5, the heavy object is placed on the two foot supports 2, at the moment, the two foot supports 2 are in an open state, and the opening angles of the two foot supports 2 can rotate in opposite directions or in opposite directions according to the size of the heavy object, so that the opening angles of the two foot supports 2 are correspondingly reduced or increased, the heavy object can be stably placed on the two foot supports 2, and the heavy object is transported along with the rotation of the caster wheel assembly 4.

According to the utility model, the opening angle of the two foot supports 2 can be adjusted, so that the lifting device is applicable to weights with different body sizes, the lifting device is enabled to be more practical, and the problem that the lifting device is lack of practical applicability due to the fact that the lifting device in the prior art is provided with an isosceles tripod with fixed angle to load the weights, so that only the weights with specific body sizes can be loaded is solved.

Further, the base 1 comprises a bottom plate 11 and a top plate 12, a heel brace installation space is formed between the bottom plate 11 and the top plate 12, and one end of the heel brace 2 is installed in the heel brace installation space; a connecting plate 13 is arranged between the bottom plate 11 and the top plate 12, and the connecting plate 13 is fixedly connected with the bottom plate 11 and the top plate 12.

Specifically, the heel brace 2 rotates in a heel brace installation space formed between the bottom plate 11 and the top plate 12, so that the opening angle of the two heel brace 2 is adjusted; in addition, the connection between the top plate 12 and the bottom plate 11 is realized through the connecting plate 13, specifically, the bottom plate 11, the top plate 12 and the connecting plate 13 are provided with mounting through holes at opposite positions, and after the pin hole bolts sequentially pass through the bottom plate 11, the connecting plate 13 and the top plate 12, the top parts of the pin hole bolts are provided with nuts to lock the bottom plate 11, the top plate 12 and the connecting plate 13.

Further, the two ends of the top plate 12 are provided with a first mounting hole 121 and a mounting piece 122, the position of the bottom plate 11 opposite to the first mounting hole 121 is provided with a third mounting hole, and one end of the foot support 2 is provided with a second mounting hole 21; the mounting member 122 sequentially passes through the first mounting hole 121, the second mounting hole 21 and the third mounting hole, so that the heel brace 2 is mounted in the heel brace mounting space.

Specifically, the end of the heel brace 2 is provided with a second mounting hole 21, the top plate 12 is provided with a first mounting hole 121, the position of the bottom plate 11 opposite to the first mounting hole 121 is provided with a third mounting hole, and when the first mounting hole 121, the second mounting hole 21 and the third mounting hole are in a communicating state, the mounting piece 122 sequentially passes through the first mounting hole 121, the second mounting hole 21 and the third mounting hole.

Preferably, the heel brace 2 is connected with the base 1 through a pin, the mounting piece 122 is a pin bolt, and after the pin bolt sequentially passes through the third mounting hole, the second mounting hole 21 and the first mounting hole 121, a nut is arranged at the top of the pin bolt to enable the heel brace 2 to be mounted in the heel brace mounting space, the heel brace 2 rotates around the pin bolt to adjust the opening angle of the two heel braces 2, and the whole process is efficient and reliable and convenient to detach.

Further, the two ends of the top plate 12 are provided with a first limiting hole 123 and a limiting piece 124; the number of the first limiting holes 123 is plural, and the first limiting holes 123 circumferentially surround the first mounting hole 121; one end of the foot support 2 is provided with a second limiting hole 22, and the distance between the second limiting hole 22 and the second mounting hole 21 is matched with the distance between the first limiting hole 123 and the first mounting hole 121; the limiting member 124 sequentially passes through the second limiting hole 22 and one first limiting hole 123, so that the heel brace 2 is positioned in the heel brace installation space.

Since the distance between the second limiting hole 22 and the second mounting hole 21 is adapted to the distance between the first limiting hole 123 and the first mounting hole 121, when the mounting member 122 passes through the first mounting hole 121 and the second mounting hole 21, the second limiting hole 22 and one of the first limiting holes 123 can be mutually communicated with each other along with the rotation of the heel brace 2, and at this time, the limiting member 124 can sequentially pass through the first limiting hole 123 and the second limiting hole 22 to lock the heel brace 2.

Preferably, the inside wall in the second spacing hole 22 is equipped with the screw thread, and the locating part 124 is the bolt, and after the heel brace 2 rotated suitable position, the screw rod of bolt passes first spacing hole 123 and second spacing hole 22 in proper order, and the reuse nut passes the top of screw rod, makes heel brace 2 lock in heel brace installation space, and whole process operation is simple and convenient, and is quick convenient.

The transportation of the weight by the lifting device is realized by a castor assembly 4, and the castor assembly 4 comprises a first castor 41 and a second castor 42; the side of the base 1, which is away from the heel brace 2, is provided with a caster mounting seat 14, and a first caster 41 is mounted at the bottom of the caster mounting seat 14; the number of the second casters 42 is plural, and the plural second casters 42 are mounted side by side to the bottom of the base plate 11.

Specifically, the first casters 41 are installed opposite to the footrests 2, so that the lifting device is balanced as a whole, and stability of the lifting device during movement is ensured. Preferably, in the present embodiment, the number of the second casters 42 is two, and the two second casters 42 are respectively disposed at two ends of the bottom plate 11 and form a triangle with the first casters 41, so as to further ensure the stability of the lifting device during moving.

Further, a third castor 23 is arranged at one end of the heel brace 2 far away from the base 1, and the third castor 23 is arranged at the bottom of the heel brace 2, wherein the third castor 23 provides supporting force for the heel brace 2 on one hand, so that a heavy object can be stably placed on the heel brace 2; on the other hand, the whole balance of the lifting device is ensured, so that the lifting device can be stably carried out during transferring.

The hoisting mechanism 5 comprises a reel 51, a driving member 52 and a wire rope 53; the driving end of the driving piece 52 is connected with the winding drum 51, one end of the steel wire rope 53 is wound on the surface of the winding drum 51, and the other end of the steel wire rope 53 is pulled to the upper part of the heel brace 2 along the lifting frame 3; the other end of the steel wire rope 53 is provided with a lifting hook 531, the lifting hook 531 is used for hanging a heavy object, the driving piece 52 drives the winding drum 51 to rotate, the steel wire rope 53 wound on the winding drum 51 moves along the lifting frame 3, and therefore one end of the steel wire rope 53 with the lifting hook 531 is lifted above the heel brace 2, and lifting of the heavy object is achieved. It is noted that the driving member 52 is a hand-operated driving member or a motor.

Further, the lifting frame 3 comprises a vertical support 31 and a suspension arm 32, and the vertical support 31 is connected with the base 1 and the suspension arm 32; the vertical support 31 is provided with a mounting plate 311, and the winding drum 51 and the driving piece 52 are fixedly mounted on the mounting plate 311; pulleys 321 are mounted at both ends of the boom 32, and the pulleys 321 are used for winding the traction steel wire rope 53 on the lifting frame 3.

Preferably, the number of the vertical supports 31 is two, the two vertical supports 31 are arranged side by side and fixedly arranged on the base 1, and the suspension arm 32 is fixedly arranged between the two vertical supports 31 through bolts; the mounting plate 311 is provided with a mounting hole for the driving member 52, and a bolt passes through the mounting hole for the driving member 52 to fixedly mount the lifting mechanism 5 on the mounting plate 311. The vertical support 31 is also provided with a handle 312 to facilitate the pushing of the lifting device by the user when transferring the weight.

Other constructions, etc. and operation of a lifting device according to embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, reference to the term "embodiment," "example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. A hoisting device, characterized in that: the lifting frame is arranged at the top of the base;

the number of the two foot supports is two, the two foot supports are arranged at the two ends of the base in a swinging way, and the two foot supports swing to adjust the opening angles of the two foot supports;

the lifting frame is provided with a lifting mechanism which is used for lifting a weight on the foot support or lifting the weight on the foot support; the base is equipped with the truckle subassembly, the truckle subassembly is used for transporting the heavy object.

2. Hoisting device according to claim 1, characterized in that: the base comprises a bottom plate and a top plate, a foot support installation space is formed between the bottom plate and the top plate, and one end of the foot support is installed in the foot support installation space;

a connecting plate is arranged between the bottom plate and the top plate, and the connecting plate is fixedly connected with the bottom plate and the top plate.

3. A lifting device according to claim 2, characterized in that: the two ends of the top plate are provided with a first mounting hole and a mounting piece, a third mounting hole is formed in the position, opposite to the first mounting hole, of the bottom plate, and a second mounting hole is formed in one end of the foot support;

the mounting piece sequentially passes through the first mounting hole, the second mounting hole and the third mounting hole, so that the heel brace is mounted in the heel brace mounting space.

4. A lifting device according to claim 3, characterized in that: the two ends of the top plate are also provided with a first limiting hole and a limiting piece;

the number of the first limiting holes is multiple, and the first limiting holes circumferentially encircle the first mounting holes;

one end of the foot support is provided with a second limiting hole, and the distance between the second limiting hole and the second mounting hole is matched with the distance between the first limiting hole and the first mounting hole;

the limiting piece sequentially penetrates through the second limiting hole and the first limiting hole, so that the heel brace is positioned in the heel brace installation space.

5. A lifting device according to claim 3, characterized in that: the caster assembly includes a first caster and a second caster;

the base is provided with a caster mounting seat on one side away from the heel brace, and the first caster is mounted at the bottom of the caster mounting seat;

the number of the second casters is multiple, and the second casters are arranged at the bottom of the bottom plate side by side.

6. A lifting device according to claim 2, characterized in that: and a third trundle is arranged at one end of the foot support, which is far away from the base.

7. Hoisting device according to claim 1, characterized in that: the hoisting mechanism comprises a winding drum, a driving piece and a steel wire rope;

the driving end of the driving piece is connected with the winding drum, one end of the steel wire rope is wound on the surface of the winding drum, and the other end of the steel wire rope is pulled to the upper part of the heel brace along the lifting frame;

the other end of the steel wire rope is provided with a lifting hook, and the lifting hook is used for hanging a heavy object.

8. The lifting device of claim 7, wherein: the lifting frame comprises a vertical support and a suspension arm, and the vertical support is connected with the base and the suspension arm;

the vertical support is provided with a mounting plate, and the winding drum and the driving piece are fixedly mounted on the mounting plate;

pulleys are mounted at two ends of the suspension arm, and the pulleys are used for pulling the steel wire rope to wind the lifting frame.

9. The lifting device of claim 8, wherein: the vertical support is also provided with a handle.

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