CN212799435U

CN212799435U - Cantilever type lifting machine

Info

Publication number: CN212799435U
Application number: CN202021013319.5U
Authority: CN
Inventors: 宋良奇; 袁功平; 宋百灵
Original assignee: Shanghai Lingsheng Automation System Co ltd
Current assignee: Shanghai Lingsheng Automation System Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-03-26
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a cantilever type lifting machine, belonging to the field of lifting equipment, comprising a frame, wherein a first guide piece and a second guide piece which are arranged along the height direction are fixedly arranged on the frame; the first guide piece is movably provided with a balance weight, the second guide piece is movably provided with a cantilever objective table, and the side wall of the frame is provided with an opening for the cantilever objective table to extend out and move; the top of the frame is provided with a lifting device, and the lifting device at least comprises a lifting motor; the lifting mechanism is characterized by further comprising a lifting assembly, the lifting assembly comprises a driving chain wheel and a lifting chain, the driving chain wheel is in driving connection with the output end of the lifting device, one end of the lifting chain is fixed on the cantilever objective table, and the other end of the lifting chain is fixed on the balance weight after bypassing the driving chain wheel. The utility model discloses not only can reduce drive power demand, improve energy utilization, can also stretch out the rack through with the objective table in order to bear the bigger goods of size to reduce the structure weight and the size of frame.

Description

Cantilever type lifting machine

Technical Field

The utility model relates to a lifting means field, in particular to cantilever type lifting machine.

Background

A hoist (well lifting conveyor/Elevator) is a large mechanical device that transports by changing potential energy, such as a mine hoist, a dam hoist, etc. Broadly, elevators, overhead cranes, winches, stabilizers, cranes, hoist machines, etc. may be referred to as hoists. The elevator usually finishes the transportation process by dragging the steel wire rope of the flexible part and the transported goods to move up and down through a power machine, so the steel wire rope is an indispensable important part of the existing elevator.

However, the steel wire rope of the cargo hoisting machine dragged by the steel wire rope is usually wound on the roller for use, and the power machine drives the roller to rotate to realize the winding and unwinding of the steel wire rope when the cargo is required to be hoisted, so that the cargo hoisting mode can be realized by outputting larger power, and the energy utilization rate is low.

In addition, most of the existing hoists are provided with a hoisting channel for lifting a supplied material inside a rack, and in order to adapt to the lifting work of goods with different sizes, the size of the rack of the hoist is inevitably increased, so that the existing hoist is large in size and structural weight and difficult to move and unfold for use.

SUMMERY OF THE UTILITY MODEL

The great problem of lifting machine low energy utilization and frame size structure to prior art existence, the utility model aims to provide a cantilever type lifting machine.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a cantilever type lifter comprises a lifting frame,

the device comprises a rack, a first guide piece and a second guide piece, wherein the first guide piece and the second guide piece are fixedly arranged on the rack along the height direction;

the counterweight is movably arranged on the first guide piece along the height direction of the frame;

the cantilever objective table is movably arranged on the second guide piece along the height direction of the rack, and an opening for the cantilever objective table to extend out and move is formed in the side wall of the rack;

the lifting device is fixedly arranged at the top of the rack and at least comprises a lifting motor;

the lifting assembly comprises a driving sprocket and a lifting chain, the driving sprocket is connected with the output end of the lifting device in a driving mode, one end of the lifting chain is fixed to the cantilever objective table, the other end of the lifting chain is wound around the driving sprocket, and the driving sprocket is fixed to the counter weight.

As right the utility model discloses a it is further limited, first guide has two, two the parallel and relative arrangement of first guide, two one sides that first guide is relative all are provided with first gyro wheel groove, the counter weight includes the counter weight frame and installs balancing weight on the counter weight frame, all install on two relative lateral walls of counter weight frame with the first gyro wheel of first gyro wheel groove looks adaptation.

As right the utility model discloses a it is further limited, the second guide has two, two the parallel and relative arrangement of second guide, the one side that two second guides are relative all is provided with the second gyro wheel groove, cantilever objective table includes the adjustable shelf and installs cantilever shelf on the adjustable shelf, all install on two relative lateral walls of adjustable shelf with the second gyro wheel of second gyro wheel groove looks adaptation.

As a further limitation of the present invention, the drive sprocket is mounted on an output end of the hoist; or the driving chain wheel is rotatably arranged on the rack through a driving shaft, and the driving shaft is mechanically connected with the output end of the lifting device.

As right the utility model discloses a it is further limited, hoisting device still includes the speed reducer, the input of speed reducer with it connects to promote motor drive, drive sprocket installs on the output of speed reducer.

As right the utility model discloses a it is further limited, the hoisting component has a plurality ofly, a plurality of promotion chains in a plurality of hoisting components evenly connect on the cantilever objective table, a plurality of drive sprocket in a plurality of hoisting components all installs on the output shaft of speed reducer.

By adopting the technical scheme, the counterweight and the lifting assembly comprising the lifting chain and the driving chain wheel are arranged, so that the counterweight can share the weight of part of goods through the lifting chain, the power input is reduced, the energy utilization rate is improved, and the chain structure can be used for well preventing the occurrence of slipping; in addition, due to the arrangement of the opening for extending and moving the cantilever object stage and the rack, the rack does not need to accommodate the cantilever object stage, so that the size of the rack can be reduced, the weight is reduced, and the cantilever object stage is convenient to transfer and use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a rear view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 1.

In the figure, 1-a rack, 11-a column, 12-a connecting beam, 2-a first guide part, 3-a second guide part, 4-a counterweight, 41-a counterweight frame, 42-a counterweight block, 5-a cantilever objective table, 51-a movable frame, 52-a cantilever frame, 6-a lifting device, 7-a lifting assembly, 71-a driving chain wheel and 72-a lifting chain.

Detailed Description

In order to make the technical solutions of the present invention better understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or coupled. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

As shown in fig. 1 to 4, the present embodiment provides a cantilever type hoist, including,

the device comprises a frame 1, wherein a first guide part 2 and a second guide part 3 which are arranged along the height direction are fixedly arranged on the frame 1;

in this embodiment, the frame 1 is a rectangular frame structure, and specifically includes four upright posts 11 distributed in a rectangular shape, the four upright posts 11 are parallel to each other, and are generally vertical, and correspondingly, the first guide 2 and the second guide 3 are also parallel to the vertical direction. It will be appreciated that adjacent columns 11 are connected and secured by a number of connecting beams 12 for structural strength. The result of the above-described arrangement is that the frame 1 has a rectangular interior space, and the first guide 2 and the second guide 3 are arranged in this interior space and are fastened to the uprights 11 and the connecting cross-member 12 by means of screws.

In this embodiment, two first guide members 2 are provided, the two first guide members 2 are arranged in parallel and opposite to each other, and the opposite sides of the two first guide members 2 are provided with first roller grooves. Similarly, two second guide members 3 are also provided, the two second guide members 3 are arranged in parallel and oppositely, and the opposite sides of the two second guide members 3 are provided with second roller grooves. It is understood that, in practice, the first guide member 2 and the second guide member 3 may be made of channel steel, and the open slots thereof are the first roller slot and the second roller slot.

The counterweight 4 is movably arranged on the first guide part 2 along the height direction (vertical direction) of the frame 1; as for the present embodiment, the setting weight 4 includes the weight frame 41 and the weight block 42 mounted on the weight frame 41; the weight frame 41 is a rectangular frame formed by welding sectional materials, and first rollers adapted to the first roller grooves are mounted on two opposite side walls of the weight frame 41, so that the weight frame 41 can move up and down in the first roller grooves of the two first guide members 2 in a roller manner. The weight 42 is a metal block, such as an iron block or a lead block, or may be concrete, and may be enclosed in the weight frame 41 during manufacturing.

The cantilever type object stage device further comprises a cantilever type object stage 5, and the cantilever type object stage 5 is movably arranged on the second guide piece 3 along the height direction (vertical direction) of the machine frame 1. Specifically, the cantilever stage 5 includes a movable frame 51 and a cantilever frame 52 installed on the movable frame 51, the movable frame 51 is a rectangular frame formed by welding sectional materials, and second rollers adapted to the second roller grooves are installed on two opposite side walls of the movable frame 51, so that the movable frame 51 can move up and down in the second roller grooves of the two second guides 3 in a roller manner. The cantilever frame 52 is used for carrying goods, one end of the cantilever frame 52 is fixed on the movable frame 51, the other end of the cantilever frame extends out of the frame 1 in a cantilever mode, correspondingly, an opening 13 for the cantilever frame 52 of the cantilever object stage 5 to extend out and move is arranged on the side wall of the frame 1, and it can be understood that the opening 13 can be regarded as the reason that enough connecting cross beams 12 are not arranged between two adjacent upright columns 11.

In the embodiment, the movable frame 51 may be configured and dimensioned to improve the versatility of the components as the counterweight frame 41; accordingly, the first guide member 2 and the second guide member 3, the first roller groove and the second roller groove, and the first roller and the second roller may be configured to be identical in structure and size to improve the versatility of the parts.

The lifting device 6 is fixedly arranged at the top of the frame 1, the lifting device 6 at least comprises a lifting motor and usually also comprises a speed reducer;

the lifting assembly 7 is further included, and the lifting assembly 7 is used for driving the counterweight 4 and the cantilever object stage 5 to move under the driving of the lifting device 6. Specifically, the lifting assembly 7 includes a driving sprocket 71 and a lifting chain 72, the driving sprocket 71 is in driving connection with the output end of the lifting device 6, for example, the driving sprocket 71 is mounted on the output end (output shaft of the reducer) of the lifting device 6; alternatively, in another embodiment, a drive shaft may be mounted on the frame 1 via a bearing, the drive sprocket 71 being rotatably mounted on the frame 1 via the drive shaft, and the drive shaft being mechanically connected to the output of the lifting device 6 (the output shaft of the reduction gear), for example, a coupling. The lifting chain 72 has one end fixed to the cantilever stage 5 (specifically, the movable frame 51), and the other end fixed to the counterweight 4 (specifically, the counterweight frame 41) after passing around the drive sprocket 71.

It is understood that, in the present embodiment, the drive sprocket 71 is sized to allow the lifting chain 72 to be in an overall vertical state.

Meanwhile, in order to improve the stability of the movement and reduce the stress of the single-strand lifting chain 72, in another embodiment, a plurality of lifting assemblies 7 can be further arranged, the plurality of lifting chains 72 in the plurality of lifting assemblies 7 are uniformly connected to the cantilever object stage 5, and the plurality of driving sprockets 71 in the corresponding plurality of lifting assemblies 7 are all mounted on the output shaft of the speed reducer.

During the use, place the goods on cantilever frame 52 after, start the promotion motor, promote the motor and pass through the speed reducer speed reduction back, outwards export bigger moment of torsion to drive sprocket 71 and rotate, drive sprocket 71 drives and promotes chain 72 motion, shows that, promotes the one end of chain 71 and is ascending motion, the other end and is descending motion, thereby realizes the promotion and the descending operation to the goods. In the process, the driving chain wheel 71 only needs to provide less driving force, and the size of the cantilever frame 52 for placing the goods is not limited by the frame 1, and the two are not necessarily limited by the size relation.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A cantilever type lifting machine is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

2. The cantilever crane according to claim 1, characterized in that: first guide has two, two the parallel and relative arrangement of first guide, the relative one side of two first guides all is provided with first gyro wheel groove, the counter weight includes the counterweight frame and installs counterweight block on the counterweight frame, all install on two relative lateral walls of counterweight frame with the first gyro wheel of first gyro wheel groove looks adaptation.

3. The cantilever crane according to claim 1, characterized in that: the second guide has two, two the parallel and relative arrangement of second guide, the one side that two second guides are relative all is provided with second gyro wheel groove, cantilever objective table includes the adjustable shelf and installs cantilever shelf on the adjustable shelf, all install on two relative lateral walls of adjustable shelf with the second gyro wheel of second gyro wheel groove looks adaptation.

4. The cantilever crane according to claim 1, characterized in that: the driving chain wheel is arranged on the output end of the lifting device; or the driving chain wheel is rotatably arranged on the rack through a driving shaft, and the driving shaft is mechanically connected with the output end of the lifting device.

5. The cantilever crane according to claim 4, wherein: the lifting device further comprises a speed reducer, the input end of the speed reducer is in driving connection with the lifting motor, and the driving chain wheel is installed at the output end of the speed reducer.

6. The cantilever crane according to claim 5, wherein: the lifting assemblies are multiple, a plurality of lifting chains in the lifting assemblies are uniformly connected to the cantilever objective table, and a plurality of driving sprockets in the lifting assemblies are mounted on an output shaft of the speed reducer.