CN220976435U

CN220976435U - Lifting machine

Info

Publication number: CN220976435U
Application number: CN202322629126.2U
Authority: CN
Inventors: 侯长森; 宓波; 包立新
Original assignee: Hubei Kaileshi Tongda Technology Co ltd
Current assignee: Hubei Kaileshi Tongda Technology Co ltd
Priority date: 2023-09-27
Filing date: 2023-09-27
Publication date: 2024-05-17
Anticipated expiration: 2033-09-27

Abstract

The utility model relates to the technical field of lifting equipment, in particular to a lifting machine, which comprises a frame, a lifting platform, a driving mechanism arranged on the lifting platform and a transmission mechanism arranged between the driving mechanism and the frame, wherein the driving mechanism comprises a first sprocket arranged at the driving end of the driving mechanism and a first chain arranged on the frame, and the driving mechanism is configured to drive the first sprocket to lift along the first chain.

Description

Lifting machine

Technical Field

The utility model relates to the technical field of lifting equipment, in particular to a lifting machine.

Background

The elevator is widely used as lifting equipment in the fields of warehouse logistics and the like. The elevator in the prior art comprises a frame, and an elevating platform, a motor and a gear rack mechanism which are arranged on the frame, wherein the motor drives the elevating platform to ascend and descend through the gear rack mechanism, and the elevating platform is used for bearing a shuttle, a pallet or goods and the like. The problem of realizing the lift through rack and pinion mechanism is: 1) The lifting height of the lifter is usually higher, so that the lifting stroke is longer, the length of the rack cannot be processed into the long length at one time, most of the racks are spliced, gaps at the butt joint position cannot be avoided, and the problems of large lifting noise, unstable running of the rack and the pinion and low service life are caused by the gaps; 2) Foreign matters are easily accumulated in the teeth of the rack, and when the rack enters into meshing, pits are pressed out on the tooth surface, so that the gear is locally deformed; 3) The processing cost is high, and the requirement on the installation precision is high; the problems are the problems to be solved in the prior elevator.

Disclosure of utility model

Aiming at the defects in the prior art, the application provides the elevator which has the advantages of small lifting noise, stable operation, long service life, low processing cost and convenient installation.

The technical scheme adopted for solving the technical problems is as follows:

The utility model provides a lifting machine, includes frame and lifting platform, sliding mounting is on the frame about lifting platform still includes the actuating mechanism who sets up on lifting platform and sets up the drive mechanism between actuating mechanism and frame, drive mechanism is including setting up the first sprocket and the first chain of setting on the frame in the actuating mechanism drive end, and actuating mechanism configures to drive first sprocket and goes up and down along first chain.

Further, the first chain is a special-shaped chain, and the special-shaped chain is detachably fixed on the frame.

Further, the frame includes a plurality of stands, and the stand distributes around lifting platform, all installs vertical first chain on every stand, and every first chain cooperation has first sprocket, and actuating mechanism includes a plurality of motors, and motor drive first sprocket goes up and down along first chain.

Further, the lifting machine comprises a guide assembly, the guide assembly comprises guide wheels arranged on the periphery of the lifting platform and guide rails arranged on corresponding upright posts, and the guide wheels and the guide rails form lifting guide fit.

Further, the lifting machine further comprises a weight piece and a connecting assembly, wherein the connecting assembly is arranged on the frame, the weight piece is located on one side of the lifting platform, and the lifting platform is connected with the weight piece through the connecting assembly.

Further, the connecting assembly comprises a plurality of second chain wheels arranged at the top of the frame and a plurality of second chains meshed with the second chain wheels, and the weight piece and the lifting platform are hung at two ends of the second chains respectively.

Further, the driving mechanism is arranged on the lifting platform through a fixing seat, and a kidney-shaped hole capable of adjusting the installation position is formed in the fixing seat.

Further, a conveying mechanism is arranged on the lifting platform.

Further, a running track for the shuttle car to walk is arranged on the lifting platform, and the conveying mechanism comprises two conveying units which are distributed on two sides of the running track.

The beneficial effects of the utility model are as follows:

Compared with the prior art, the utility model adopts the chain wheel and the chain for lifting transmission, and the chain wheel and the chain are standard components, and the long-stroke lifting working condition is aimed at, so that the splicing is not needed like a rack, thereby avoiding the defects of large noise, poor stability and short service life caused by splicing gaps; compared with the gears, the processing precision of the chain wheels is much lower, and the chain standard parts can be directly purchased, so that the cost is lower compared with the prior art; compared with the rack, the chain has a gap, and foreign matters are not easy to accumulate, so that partial deformation is not easy to occur during meshing, thereby affecting the precision; compared with a gear rack, the installation accuracy of the chain wheel and the chain is lower, and the equipment is more convenient to install.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a partially enlarged schematic view of the transmission mechanism according to embodiment 1 of the present utility model;

FIG. 3 is a partially enlarged schematic view of the transmission mechanism according to embodiment 2 of the present utility model;

Fig. 4 is a schematic structural view of a guide assembly according to the present utility model.

Wherein: 1. a frame; 2. a column; 3. lifting the platform; 4. a guide assembly; 41. a guide wheel; 42. a guide rail; 5. a driving mechanism; 61. a first sprocket; 62. a first chain; 621. ear plates; 7. a weight member; 81. a second sprocket; 82. a second chain; 83. a third chain; 9. a fixing seat.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings.

Example 1:

As shown in fig. 1, 2 and 4, the elevator provided in this embodiment includes a frame 1, the frame 1 is fixed to the ground by chemical bolts, and an adjusting bolt can be disposed thereon to adjust the level; the frame 1 is cuboid, four upright posts 2 are arranged around the frame 1, lifting platforms 3 are arranged between the upright posts 2, and the lifting platforms 3 are connected with the upright posts 2 in an up-down sliding manner through guide assemblies 4; the lifting platform 3 is a square bearing platform, the lifting machine further comprises four driving mechanisms 5 arranged at four corners of the lifting platform 3, the driving mechanisms 5 comprise but are not limited to motors, the driving mechanisms 5 are preferably motors, the driving mechanisms 5 are arranged on the lifting platform 3 through fixing seats 9, kidney-shaped holes capable of adjusting installation positions are formed in the fixing seats 9, and the driving mechanisms are installed through adjustment in use to meet the engagement of the first chains 62 and the first chain wheels 61; a transmission mechanism is arranged between the driving mechanism 5 and the corresponding upright post 2, and comprises a first chain wheel 61 arranged at the driving end of the driving mechanism 5 and a first chain 62 arranged on the upright post 2; the first sprocket 61 is driven by a motor to lift up and down along the first chain 62, thereby lifting the lifting platform 3.

According to the technical scheme, the gear-rack transmission is optimized to be the sprocket-chain transmission in the transmission form, the sprocket-chain is a standard component, and the first chain 62 on each upright post 2 is a complete chain aiming at the long-stroke lifting working condition, and is not required to be spliced like a rack, so that the defects of large noise, poor stability and short service life caused by a splicing gap are avoided, the independent chain can be freely curled, the space is not occupied in the transportation process, the rack cannot be deformed, the space is relatively occupied in the transportation process, and the rack is easy to bend and damage; compared with the gears, the processing precision of the chain wheels is much lower, and the chain standard parts can be directly purchased, so that the cost is lower compared with the prior art; compared with the rack, the chain has a gap, and foreign matters are not easy to accumulate, so that partial deformation is not easy to occur during meshing, thereby affecting the precision; compared with a gear rack, the installation accuracy of the chain wheel and the chain is lower, and the equipment is more convenient to install.

In this embodiment, the first chain 62 is welded to the upright 2, alternatively, the first chain 62 can be welded directly to the upright 2, or can be welded to a detachable guard plate, and the detachable guard plate is fixed to the upright 2 by bolts; the first chain 62 is directly welded on the upright post 2 in a more convenient and faster way, but is difficult to maintain in the later period; the first chain 62 is easy to maintain and convenient to overhaul and replace by a detachable guard plate installation mode.

In this embodiment, the guiding assembly 4 includes guiding wheels 41 disposed around the lifting platform 3 and guiding rails 42 disposed inside the corresponding upright posts 2, where the guiding wheels 41 and the guiding rails 42 form a lifting guiding fit; through this technical scheme, promote platform 3 can follow stand 2 from top to bottom around, and guidance quality, stability are better. The guide rail 42 may be part of the column 2 or may be two separate parts.

In this embodiment, the elevator further includes a weight member 7 and a connecting assembly, and the form, material and specific weight of the weight member 7 are not limited, including but not limited to an iron block covered by a housing; as shown in fig. 3, the connection assembly is provided on the frame 1, and the weight 7 is located at one side of the lifting platform 3, and the lifting platform 3 is connected with the weight 7 through the connection assembly.

Specifically, the connecting assembly comprises a first connecting unit and a second connecting unit, the first connecting unit comprises two groups of second chain wheels 81 and two second chains 82 which are arranged at the top of the frame 1, each group of second chain wheels 81 is provided with one second chain 82 in a meshed mode, the two first chains 82 are arranged in parallel, one end of each second chain 82 is connected to the first side of the lifting platform 3, extends upwards to bypass one group of second chain wheels 81 and then extends downwards so that the other end of each second chain 82 is fixed on the weight piece 7. The second connecting unit comprises two groups of third chain wheels and two third chains 83, wherein the third chain wheels are arranged at the top of the frame 1, each group of the third chain wheels comprises two third chain wheels, each group of the third chain wheels is meshed with one third chain 83, the two third chains 83 are arranged in parallel, one end of each third chain 83 is connected to the second side of the lifting platform 3 and then extends upwards to bypass one group of the third chain wheels and then extends downwards so that the other end of each third chain 83 is fixed on the weight piece 7. The first side and the second side are opposite sides of the lifting platform 3, that is, the second chain 82 and the third chain 83 are respectively connected with two sides of the lifting platform 3, so that the lifting platform 3 stably lifts in the counterweight process.

Through the above technical scheme, the work load of the motor can be lightened, namely, when the lifting stroke is carried out, the second chain wheel 81 and the third chain wheel at the top are taken as fulcrums, the second chain 82 is meshed with the second chain wheel 81, the third chain 83 is meshed with the second chain wheel 81, and two ends of the second chain 82 and the third chain 83 are respectively connected with the counterweight 7 and the lifting platform 3, so that the lifting platform 3 has an upward acting force F1 when being driven to rise by the driving mechanism 5, the counterweight 7 descends under the action of the fulcrums, and meanwhile, the lifting platform 3 is given an upward acting force F2, and therefore the lifting platform 3 moves upwards under the action of the acting forces F1 and F2, and the work load of the motor can be lightened.

Example 2:

As shown in fig. 1, 3 and 4, this embodiment provides another mounting manner in the mounting form of the first chain 62, and other structures and operation principles are the same as those of embodiment 1. Specifically, the first chain 62 is a special-shaped chain in this embodiment, and the special-shaped chain is detachably fixed to the frame 1. The edge of the special-shaped chain is provided with an ear plate 621 for fixing and installing, and a fastener is arranged in the ear plate 621, and can be a screw or a bolt matched with a nut, so that the first chain 62 is fixed on the upright post 2; compared with the embodiment 1, the detachable guard plate is not needed to be assembled, welding is avoided, assembly is convenient, and later maintenance and replacement difficulties caused by direct welding can be avoided.

Further, a conveying mechanism 10 is arranged on the lifting platform 3, a running rail 11 for the shuttle to walk is arranged on the lifting platform 3, the conveying mechanism 10 comprises two conveying units, and the two conveying units are distributed on two sides of the running rail 11.

In particular, the conveying unit is a conveyor belt or a conveyor chain, and the travel rail 11 comprises two rail units arranged in parallel, the two rail units being arranged between the two conveyor belts or conveyor chains. The conveying direction of the conveying mechanism 10 is parallel to the longitudinal direction of the rail unit. As one embodiment, the elevator can be in butt joint with the shuttle warehouse to realize the transfer of pallet goods. When the pallet is put in storage, the conveying mechanism 10 can be in butt joint with an external conveying belt, the pallet on an external conveying line is received on the conveying mechanism 10, then the lifting platform 3 is lifted or lowered, the pallet is lifted to a target height, a shuttle in the warehouse is driven onto a driving track 11 of the elevator, the shuttle lifts the pallet on the conveying mechanism 10, the shuttle drives the pallet away from the elevator and moves to a target cargo position of the warehouse, and the pallet is put in the target cargo position for storage, so that the warehouse storage of the pallet is realized.

The elevator can also be used for changing floors of the shuttle, and the shuttle is lifted to different operation floors for working. Specifically, the shuttle is driven onto the driving track 11 of the lifting platform 3, the driving mechanism 5, namely the motor, acts to drive the first sprocket 61 to ascend along the first chain 62, so as to drive the lifting platform 3 to ascend, at the moment, the counterweight 7 moves downwards under the action of the fulcrum, so as to drive the lifting platform 3 to ascend to lighten the load of the motor, and after the lifting platform 3 drives the shuttle to drive to the target height, the motor stops, and the shuttle drives away from the lifter; compared with the prior art, the optimized chain wheel and chain transmission mode is more silent in transmission, and is more stable in transmission and longer in service life because no splice gaps and foreign matters are accumulated.

The above description is intended to illustrate the utility model and not to limit it, the scope of which is defined by the claims, and any modifications can be made within the scope of the utility model.

Claims

1. A lifting machine, characterized in that: including frame (1) and lift platform (3), slidable mounting is about lift platform (3) on frame (1), still including setting up actuating mechanism (5) on lift platform (3) and setting up drive mechanism (6) between actuating mechanism (5) and frame (1), drive mechanism (6) are including setting up first sprocket (61) and the first chain (62) of setting on frame (1) of actuating mechanism (5) drive end, and actuating mechanism (5) are configured to drive first sprocket (61) along first chain (62) go up and down.

2. A hoisting machine as claimed in claim 1, characterized in that: the first chain (62) is a special-shaped chain, and the special-shaped chain is detachably fixed on the frame (1).

3. A hoisting machine as claimed in claim 2, characterized in that: the frame (1) comprises a plurality of stand columns (2), the stand columns (2) are distributed around the lifting platform (3), vertical first chains (62) are arranged on each stand column (2), first chain wheels (61) are matched with each first chain (62), the driving mechanism (5) comprises a plurality of motors, and the motors drive the first chain wheels (61) to lift along the first chains (62).

4. A hoisting machine as claimed in claim 3, characterized in that: the elevator comprises a guide assembly (4), wherein the guide assembly (4) comprises guide wheels (41) arranged around the lifting platform (3) and guide rails (42) arranged on the corresponding upright posts (2), and the guide wheels (41) and the guide rails (42) form lifting guide fit.

5. A hoisting machine as claimed in claim 1, characterized in that: the elevator further comprises a weight piece (7) and a connecting assembly (8), wherein the connecting assembly (8) is arranged on the frame (1), the weight piece (7) is located on one side of the lifting platform (3), and the lifting platform (3) is connected with the weight piece (7) through the connecting assembly (8).

6. A hoist as claimed in claim 5, characterized in that: the connecting assembly (8) comprises a plurality of second chain wheels (81) arranged at the top of the frame (1) and a plurality of second chains (82) meshed with the second chain wheels (81), and the counterweight (7) and the lifting platform (3) are hung at two ends of the second chains (82) respectively.

7. A hoisting machine as claimed in claim 1, characterized in that: the driving mechanism (5) is arranged on the lifting platform (3) through a fixing seat (9), and a kidney-shaped hole capable of adjusting the installation position is formed in the fixing seat (9).

8. A hoisting machine as claimed in claim 1, characterized in that: and a conveying mechanism (10) is arranged on the lifting platform (3).

9. A hoisting machine as claimed in claim 8, characterized in that: the lifting platform (3) is provided with a running track (11) for the shuttle to walk, and the conveying mechanism (10) comprises two conveying units which are distributed on two sides of the running track (11).