CN219279272U - Lifting appliance - Google Patents

Abstract

The utility model discloses a lifting appliance. The lifting appliance comprises a supporting plate, a connecting guide rod, a movable pressing plate, a mounting plate, a lever and a connecting rod, wherein the connecting guide rod is vertically fixed on the top surface of the supporting plate; the movable pressing plate is arranged on the connecting guide rod in a sliding way; the mounting plate is fixed at the top end of the connecting guide rod; the lever fulcrum is arranged on the mounting plate, and one end of the lever fulcrum is provided with a hanging hole; the connecting rod is respectively hinged with the other end of the lever and the top surface of the movable pressing plate, so that the lever and the movable pressing plate form a connecting rod sliding block mechanism; when the lifting device is lifted, the lifting force acting on the lifting hole drives the connecting rod sliding block mechanism to enable the movable pressing plate to move towards the supporting plate, and the lifting is realized after the product is clamped. The lifting force drives the lever of the connecting rod sliding block mechanism, so that the movable pressing plate and the opposite plate surface of the supporting plate clamp the product first and then lift the product, the lifting force is skillfully utilized to clamp and fix the product, the structure is simple, the integration level is high, the product is not easy to turn over and slide in the lifting process, and the phenomenon of stress concentration can not occur.

Description

Lifting appliance

Technical Field

The utility model relates to the technical field of lifting appliances, in particular to a lifting appliance.

Background

In the production process, because the product is overweight, a lifting appliance is usually arranged on a processing station to hang the product to realize carrying circulation, however, the shape of the product is various, and a hanging point for hanging is not specially designed in most cases, so that hanging is not easy to realize. For example, as shown in fig. 1, in the production line of the air pressure disc brake assembly, when the manual assembly of the product is completed, the assembly generally has about thirty kilograms, the manual handling is very laborious and unsafe, if the lifting appliance is adopted, only the mounting holes connected with other components can be used for hanging after the assembly of the air pressure disc brake assembly is completed, but the mounting holes are unevenly distributed relative to the center of the product and are not on the same vertical line with the mass center of the product, so that the lifting process is easy to turn over and unstable. In addition, if the attachment Kong Diaogua is used, the hanging force is concentrated on the attachment hole, and the attachment hole is easily damaged.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a lifting appliance, when a product is hung, hanging force acts on a plane structure of the product, the product is not easy to turn over, the hanging is stable, and a lifting surface load is formed, so that the product can be prevented from being damaged due to concentrated hanging force.

In order to solve the technical problems, the lifting appliance comprises a supporting plate, a connecting guide rod, a movable pressing plate, a mounting plate, a lever and a connecting rod, wherein the connecting guide rod is vertically fixed on the top surface of the supporting plate; the movable pressing plate is arranged on the connecting guide rod in a sliding manner; the mounting plate is fixed at the top end of the connecting guide rod; the lever fulcrum is arranged on the mounting plate, and one end of the lever fulcrum is provided with a hanging hole; the connecting rod is respectively hinged with the other end of the lever and the top surface of the movable pressing plate, so that the lever and the movable pressing plate form a connecting rod sliding block mechanism; when in lifting, the lifting force acting on the lifting hole drives the connecting rod sliding block mechanism to enable the movable pressing plate to move towards the supporting plate, and lifting is realized after the product is clamped.

In the lifting appliance structure, the lever of the connecting rod sliding block mechanism is driven by lifting force, so that the opposite plate surfaces of the movable pressing plate and the supporting plate clamp the product first and then lift the product, the product is clamped and fixed by skillfully utilizing the lifting force, the structure is simple, the integration level is high, and the product is clamped and fixed by two planes, so that the product is not easy to turn over, slip and fall in the lifting process, and the phenomenon of stress concentration is avoided; in addition, in the lifting process, lifting force always exists, the driving lever can be kept to press the movable pressing plate, product lifting safety is guaranteed, after lifting is finished, the pressing state of the movable pressing plate and the product can be automatically relieved, and the lifting appliance can be easily taken down, so that the lifting appliance is convenient to use.

As an improvement of the lifting appliance, the movable pressing plate and the supporting plate are horizontally arranged. Through horizontal arrangement movable clamp plate and layer board for both centre gripping products in vertical direction, lift by crane the load and all act on the horizontal structure face of product, help reducing the clamp force of the movable clamp plate that prevents the product upset, and then reduce required lifting by crane the power.

Further, when in hoisting, the lever is horizontal, and the center of the hanging hole is positioned right above the mass center of the whole sling and the product. Through the design of connecting rod slider mechanism stroke, realize lifting the back with the product, keep the lever level, make the connecting rod to the minute effort of movable platen horizontal direction less at the process of lifting by crane, reduce hoist internal static, prevent to destroy hoist structure, and make the hanging hole end of lever have suitable reciprocating stroke, convenient to use.

As another improvement of the lifting appliance, the mounting plate is in a short U-shaped plate shape, two end parts of the U-shaped opening are respectively fixed with one connecting guide rod, a first hinging seat is arranged on the top surface of the bottom of the U-shaped opening and is used for being rotationally connected with the middle part of the lever.

Further, the movable pressing plate is arranged at the bottom of the mounting plate in parallel, a second hinging seat is arranged on the top surface of the movable pressing plate and opposite to the first hinging seat, two linear bearings are arranged on one side, away from the second hinging seat, of the movable pressing plate, and the linear bearings are used for being in sliding connection with the connecting guide rod.

Preferably, the connecting rod is J-shaped and penetrates through the U-shaped opening of the mounting plate, the top end of the connecting rod is hinged to one end, away from the hanging hole, of the lever, and the bottom end of the connecting rod is hinged to the second hinging seat.

Through the mounting panel of U-shaped, realize with connecting rod slider mechanism and hoist structure integration, structural design is ingenious, compact, occupation space is little.

Furthermore, a quick clamp is arranged between the end parts of the U-shaped opening of the mounting plate, and is used for manually closing to lock the movable pressing plate when the hanging plate is hung. Before lifting the product, the quick clamp can be manually closed, the position of the movable pressing plate is locked, and the product safety in the dispatching process is further ensured. Convenient to use.

As a further improvement of the lifting appliance according to the utility model, the pallet comprises two elongated circular plates fixed to the bottom ends of the connecting rods. Through oblong plate design, the layer board of being convenient for stretches into the planar bottom of many product structure, realizes the mount, and two long circular plates form two application points to the product moreover, further make handling stable and reliable.

Further, a positioning pin is arranged on the bottom surface of the movable pressing plate, corresponding to the end part of the long circular plate, and the positioning pin is used for being embedded with an opening hole in a product. After lifting, the two locating pins can provide limiting force in the direction perpendicular to the pressing force of the movable pressing plate for the product, so that the product is prevented from overturning, sliding and rotating, the stability of the lifting process is further ensured, and the stability of the lifting of the product is improved.

To sum up, adopting this hoist, can ingenious realization to hanging of product, and handling in-process, the product can not overturn, slide, drop, guarantees product safety, and in addition, the load equipartition of lifting by crane that acts on the product is on the plane, and is little to the product damage, and handling process is also more steady.

Drawings

In the drawings:

FIG. 1 is a block diagram of an air disc brake assembly of the present utility model.

FIG. 2 is a block diagram of the hanger suspension air disc brake assembly of the present utility model.

Fig. 3 is a structural view of the spreader of the present utility model.

Fig. 4 is another directional structure diagram of the spreader of the present utility model.

Fig. 5 is a block diagram of a spreader with quick clips according to the present utility model.

In the figure, 1, a supporting plate; 2. connecting a guide rod; 3. a movable pressing plate; 31. the second hinge seat; 32. a linear bearing; 33. a positioning pin; 34. an armrest; 4. a mounting plate; 41. a first hinge base; 5. a lever; 6. a hanging hole; 7. a connecting rod; 8. and (5) quick clamping.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model.

Figures 2-5 show a spreader according to the utility model. As shown in fig. 2 and 3, the lifting appliance comprises a supporting plate 1, a connecting guide rod 2, a movable pressing plate 3, a mounting plate 4, a lever 5 and a connecting rod 7, wherein the connecting guide rod 2 is vertically fixed on the top surface of the supporting plate 1; the movable pressing plate 3 is arranged on the connecting guide rod 2 in a sliding way; the mounting plate 4 is fixed at the top end of the connecting guide rod 2; the fulcrum of the lever 5 is arranged on the mounting plate 4, and one end of the lever is provided with a hanging hole 6; the connecting rod 7 is respectively hinged with the other end of the lever 5 and the top surface of the movable pressing plate 3, so that the lever 5 and the movable pressing plate 3 form a connecting rod sliding block mechanism; when the lifting device is lifted, the lifting force acting on the lifting hole 6 drives the connecting rod sliding block mechanism to enable the movable pressing plate 3 to move towards the supporting plate 1, and the lifting is realized after the product is clamped.

The surface of the product, which is attached to the pallet 1, is called a mounting surface, and the surface of the product, which is attached to the movable platen 3, is called a clamping surface. When the product lifting device is used, the placing posture of the product is adjusted, and the mounting surface and the clamping surface are preferably horizontal, so that the product can be lifted while keeping the placing posture; then attaching the supporting plate 1 of the lifting appliance to the mounting surface; then, a lifting force is applied to the lifting hole 6, so that the lever 5 rotates, the connecting rod 7 at the other end is pressed down, the movable pressing plate 3 is further pressed against the clamping surface, the mounting surface is also pressed against the supporting plate 1, and the lifting after the clamping of a product is realized. According to the size of the specific product design pressing force, the product can be prevented from shifting and overturning in the lifting process, and stable lifting of the product is realized. In addition, because the acting surface and the mounting surface which are clamped are both planes, the stress condition of the product is better, the product cannot deviate or move after being lifted, and the lifting stability is kept. And after the lifting is finished, the pressing state of the movable pressing plate 3 and the product can be automatically released, and the lifting appliance can be easily taken down.

Alternatively, the movable platen 3 and the pallet 1 are both arranged horizontally. When in hoisting, the lever 5 is horizontal, and the center of the hanging hole 6 is positioned right above the mass center of the whole sling and the product. The movable pressing plate 3 and the supporting plate 1 are horizontally arranged, so that the movable pressing plate 3 and the supporting plate clamp a product in the vertical direction, and lifting load is fully applied to the horizontal structural surface of the product, so that the pressing force of the movable pressing plate 3 for preventing the product from overturning is reduced, and the required lifting force is further reduced. And during lifting, the lever 5 is horizontal, so that the internal static force of the lifting appliance is reduced.

Optionally, the center of the hanging hole 6 is a hanging point, and the hanging hole 6 can be multiple to bear the vertical upward lifting force, and the hanging point is selected according to the actual requirement.

As shown in fig. 3, the lever 5 is in the shape of a long strip plate, the mounting plate 4 is in the shape of a short U-shaped plate which is horizontally arranged, two ends of the U-shaped opening are respectively fixed with a connecting guide rod 2, a first hinge seat 41 is arranged on the top surface of the bottom of the U-shaped opening, and the first hinge seat 41 is used for being rotationally connected with the middle part of the lever 5. The movable pressing plate 3 is arranged at the bottom of the mounting plate 4, a second hinging seat 31 is arranged on the top surface of the movable pressing plate 3, which is opposite to the first hinging seat 41, and two linear bearings 32 are arranged on one side, away from the second hinging seat 31, of the movable pressing plate 3, wherein the linear bearings 32 are used for being in sliding connection with the connecting guide rod 2. The U-shaped mounting plate 4 integrates the connecting rod sliding block mechanism and the lifting appliance structure, and has ingenious and compact structural design and small occupied space.

Optionally, the connecting rod 7 is J-shaped and penetrates through the U-shaped opening of the mounting plate 4, the top end of the connecting rod is hinged with one end of the lever 5 away from the hanging hole 6, and the bottom end of the connecting rod is hinged with the second hinging seat 31. The whole connecting rod 7 is J-shaped with a certain bending degree, the top end rotates, the bottom end moves vertically and linearly, and the rod body is stressed better. The lifting device penetrates downwards from the U-shaped opening, so that the arrangement of the lever structure is simplified, the lifting device structure is simplified, and the occupied space and the weight of the lifting device are reduced.

Optionally, the outside of movable clamp plate 3 is provided with handrail 34, and the workman can hold the application of force, is convenient for place the layer board 1 to corresponding position, hangs. The middle part of the movable pressing plate 3 is provided with a lightening hole.

As shown in fig. 5, a quick clamp 8 is arranged between the ends of the U-shaped opening of the mounting plate 4, and the quick clamp 8 is used for manually closing and locking the movable pressing plate 3 when hanging. Auxiliary positioning is provided, so that the product lifting process is more stable.

As shown in fig. 3, the supporting plate 1 comprises two long circular plates fixed at the bottom ends of the connecting guide rods 2, and the surfaces of the long circular plates are parallel to the mounting plate 4.

As shown in fig. 4, a positioning pin 33 is provided on the bottom surface of the movable platen 3 corresponding to the end of the long circular plate, and the positioning pin 33 is used for being engaged with the opening on the product. When hanging, two locating pins 33 are inserted into corresponding product holes, and the two locating pins are limited in an auxiliary mode from the clamping direction of the vertical movable pressing plate 3, so that product deviation is prevented, and hanging stability is further improved.

When the hanging is carried out, firstly, the placing posture of the product to be hung is adjusted, and the mounting surface is preferably horizontal; then selecting a proper hanging hole 6 according to the mass center of the whole product and the lifting appliance, namely reasonably designing a hanging point; then the lifting appliance is moved to the vicinity of the product, and the top surface of the supporting plate 1 extends into the bottom of the mounting surface; and then applying expected lifting force to the lifting point, enabling the bottom surface of the movable pressing plate 3 to be attached to the first clamping surface of the product, paying attention to the fact that the pre-lifting force is insufficient for lifting the product, and finally closing the quick clamp 8, applying lifting force to the lifting point to lift the product. After the product is moved and carried to a designated place, the product moves vertically downwards and is placed on a container and a clamp at the designated position, the lifting force on the lever 5 disappears, the pressing force of the connecting rod 7 on the movable pressing plate 3 disappears, the quick clamp 8 is opened, and the clamp can be easily taken down.

The force transmission process in the lifting process is as follows: the lifting force presses the connecting rod 7 to apply force to the movable pressing plate 3 through the lever action of the lever 5, so that the movable pressing plate 3 and the supporting plate 1 are clamped on a product, and meanwhile, the positioning pins 33 are inserted into corresponding holes, so that the product cannot turn over and deviate, and the product is kept motionless relative to the lifting appliance. Then the lifting force is transmitted through the lever 5, the first hinging seat 41, the mounting plate 4 and the connecting guide rod 2, finally reaches the condition that the supporting plate 1 acts on the product mounting surface, and lifts the product and the lifting appliance integrally upwards. Optionally, the pre-lifting force is less than the weight of the product.

When hanging the product of the air pressure disc brake assembly shown in fig. 1, the installation surface of the air pressure disc brake assembly is usually required to be attached to other components and connected through bolts, so that the air pressure disc brake assembly is of a parallel plane structure and can be used for carrying out mounting and clamping. The mounting surface at the top of the mounting hole is a clamping surface, and the mounting surface at the bottom of the mounting hole is a mounting surface. When hanging, two plates of the supporting plate 1 are aligned with two installation respectively and extend into the bottoms of the installation holes, and when the movable pressing plate 3 moves downwards, two positioning pins 33 are aligned with the installation holes and are inserted in the lifting process, so that auxiliary limiting force in the horizontal direction is provided, and the pneumatic disc brake assembly is prevented from sliding and falling.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the scope of protection thereof, and although the present utility model has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: various changes, modifications, or equivalents may be made to the particular embodiments of the utility model by those skilled in the art after reading the present disclosure, but such changes, modifications, or equivalents are within the scope of the utility model as defined in the appended claims.

Claims (9)

1. A spreader, comprising:

a pallet (1);

the connecting guide rod (2) is vertically fixed on the top surface of the supporting plate (1);

a movable pressing plate (3) is arranged on the connecting guide rod (2) in a sliding manner;

the mounting plate (4) is fixed at the top end of the connecting guide rod (2);

a lever (5) with a fulcrum arranged on the mounting plate (4) and a hanging hole (6) arranged at one end;

the connecting rod (7) is hinged with the other end of the lever (5) and the top surface of the movable pressing plate (3) respectively, so that the lever (5) and the movable pressing plate (3) form a connecting rod sliding block mechanism;

when in lifting, the lifting force acting on the lifting hole (6) drives the connecting rod sliding block mechanism to enable the movable pressing plate (3) to move towards the supporting plate (1), and lifting is realized after a product is clamped.

2. A lifting appliance according to claim 1, characterized in that the movable pressure plate (3) and the pallet (1) are both arranged horizontally.

3. A lifting appliance according to claim 1 or 2, characterized in that the lever (5) is horizontal and the centre of the lifting hole (6) is located directly above the centre of mass of the lifting appliance and the product as a whole when lifted.

4. A lifting appliance according to claim 1, characterized in that the mounting plate (4) is in the shape of a short U, two ends of the U-shaped opening are respectively fixed with one connecting guide rod (2), a first hinging seat (41) is arranged on the top surface of the bottom of the U-shaped opening, and the first hinging seat (41) is used for being rotatably connected with the middle part of the lever (5).

5. The lifting appliance according to claim 4, wherein the movable pressing plate (3) is arranged at the bottom of the mounting plate (4) in parallel, a second hinging seat (31) is arranged on the top surface of the movable pressing plate (3) opposite to the first hinging seat (41), two linear bearings (32) are arranged on one side, away from the second hinging seat (31), of the movable pressing plate (3), and the linear bearings (32) are used for being in sliding connection with the connecting guide rod (2).

6. A lifting appliance according to claim 5, wherein the connecting rod (7) is J-shaped and passes through the U-shaped opening of the mounting plate (4), the top end of the connecting rod is hinged to the end of the lever (5) away from the lifting hole (6), and the bottom end of the connecting rod is hinged to the second hinging seat (31).

7. A lifting appliance according to claim 4, characterized in that a quick clamp (8) is arranged between the ends of the U-shaped opening of the mounting plate (4), the quick clamp (8) being used for locking the movable pressure plate (3) manually closed when hanging.

8. A lifting appliance according to claim 1, characterized in that the pallet (1) comprises two elongated circular plates fixed to the bottom end of the connecting rod (2).

9. A lifting appliance according to claim 8, characterized in that the bottom surface of the movable pressure plate (3) is provided with a positioning pin (33) corresponding to the end of the oblong plate, said positioning pin (33) being intended to engage with an opening in the product.

Images