CN218931615U - Lifting workbench of metering compression tobacco loading vehicle - Google Patents

Abstract

The utility model discloses a lifting workbench of a metering compression tobacco loading vehicle, and relates to the technical field of packaging equipment of leaf plants; comprises a frame; the device also comprises a metering compression tobacco loading truck lifting device, wherein the metering compression tobacco loading truck lifting device comprises a lifting table and a lifting assembly; the frame comprises a base 1, a top seat 25, two front upright posts 30 and two rear upright posts 44, wherein the front upright posts 30 and the rear upright posts 44 are respectively vertically arranged at the left end and the right end of the front edge and the rear edge of the base 1, and the top seat 25 is arranged at the upper ends of the front upright posts 30 and the rear upright posts 44; the lifting platform is arranged in a space between the base 1 and the top seat 25, the lifting assembly is arranged on the top seat 25, and the lifting assembly is connected with the lifting platform through the lifting chain 5; the metering compression tobacco loading vehicle has the characteristics of automatic lifting, automatic transferring, metering compression tobacco loading vehicle and the like, and can be used for lifting and transferring metering compression tobacco loading vehicles for loading plant leaves such as kelp, tobacco leaves and plant stems such as straw and wheat straw.

Description

Lifting workbench of metering compression tobacco loading vehicle

Technical Field

The utility model relates to the technical field of packaging equipment for leaf plants, in particular to a lifting workbench of a metering compression tobacco loading vehicle.

Background

Leaf plant agricultural products, such as tobacco leaves, are usually weighed, compressed and packed after purchase at a production base, and then transported to a processing plant for storage, wherein after compression of the tobacco leaves, the containers are lifted and converted for packing. In the prior art, the weighed and compressed tobacco leaves are bundled and packed by hemp ropes, so that a conversion container does not need to be lifted. However, as the hemp ropes are adopted to bind the packed tobacco leaves, hemp rope fibers are remained in the tobacco leaves, so that the tobacco leaves are impure.

The 'a tobacco frame packaging tobacco leaf feeding lifting platform' disclosed in China patent (patent application No. CN202022714452. X) comprises a first conveying device and a second conveying device which are sequentially connected, wherein the second conveying device is arranged on the lifting platform, the lifting platform is arranged in a foundation pit arranged underground, and the first conveying device, the second conveying device and the lifting platform are connected with an electric cabinet. The beneficial effects are that: the sedimentation type tobacco loading is adopted, so that the labor capacity of workers is reduced, and the tobacco loading efficiency is high; the hydraulic lifting is adopted to be gentle, so that the inclination caused by vibration can be avoided; the lifting height can be freely set and adjusted, and different cigarette frames can be adapted for use; a weighing system is arranged at the lifting platform, so that the loading weight can be freely controlled in the tobacco leaf loading process, and repeated operation due to more or less loading can be avoided; the second conveying device is provided with an forklift working butt joint, so that the forklift is convenient to transport, and other working links are effectively connected; the safety of the feeding workers in the feeding process is effectively guaranteed by the protective guard.

Another Chinese patent (patent application number is CN 201520960261.8) discloses an automatic lifter for scattered leaf tobacco-loading frames of bulk curing barn, which comprises a main frame and an operating system, wherein a lifting table frame is arranged on the main frame, an outer limit roller is arranged on the outer side of the lifting table frame, an inner limit roller is arranged in the lifting table frame, a parallel guide rail is arranged on the lifting table frame, and the lifting table frame is connected with a hoisting motor through a steel wire rope; the operation system comprises the main controller and the travel switch, the device is simple in structure and convenient to operate, all processes can be completed in a short time by only two to three persons, compared with the traditional hanging rod cigarette packaging, 70% of time is saved, in addition, the cigarette packaging amount of the cigarette frame is more than twice that of a common hanging rod cigarette packaging, and the device can effectively reduce the consumption of manpower and material resources, shorten the cigarette packaging man-hour and improve the working efficiency.

Another chinese patent (patent application No. CN 201510080922.2) discloses an intelligent tobacco leaf packing apparatus and method, which includes a plurality of conveyors sequentially connected in a closed frame shape by a lifting mechanism, wherein one of the plurality of conveyors passes through a mobile cart loading area; a plurality of mobile carts; a packer straddling another conveyor of the plurality of conveyors such that the other conveyor passes through an interior of the packer; the rotary bag receiving mechanism is connected with the packer; a power source mechanism connected to the plurality of conveyors for providing driving force to the plurality of conveyors; and the control system is connected with the plurality of conveyors, the packing machine, the rotary receiving mechanism and the power source mechanism. The tobacco leaves are automatically controlled to be loaded, compacted, packed and sewn for package treatment, so that the labor intensity is greatly reduced, and the labor efficiency is improved.

Disclosure of Invention

The utility model aims to provide equipment capable of automatically lifting and automatically transferring, metering and compressing a cigarette loading vehicle.

In order to achieve the purpose, the technical scheme adopted by the utility model is to design a lifting workbench of a metering compression tobacco loading vehicle: comprises a frame; the device also comprises a metering compression tobacco loading truck lifting device, wherein the metering compression tobacco loading truck lifting device comprises a lifting table and a lifting assembly; the frame comprises a base 1, a top seat 25, two front upright posts 30 and two rear upright posts 44, wherein the front upright posts 30 and the rear upright posts 44 are respectively vertically arranged at the left end and the right end of the front edge and the rear edge of the base 1, and the top seat 25 is arranged at the upper ends of the front upright posts 30 and the rear upright posts 44; the lifting platform is arranged in the space between the base 1 and the top seat 25, and the lifting assembly is arranged on the top seat 25 and is connected with the lifting platform through the lifting chain 5.

The lifting platform comprises a lifting platform base 2, a pair of railing posts 32, an upper rail rod 31 and a lower rail rod 17; the lifting platform base 2 is placed on the base 1, two sides of the front side of the lifting platform base are provided with notches for allowing the front upright post 30 to be accommodated, the rear side of the lifting platform base is contracted forwards to be flush with the front face of the rear upright post 44, two sides of the rear side of the lifting platform base are respectively provided with a convex block 49 protruding backwards, the heights of the pair of railing upright posts 32 are 30-60% of the heights of the rear upright post 44, and the railing upright posts are vertically arranged on the convex blocks 49; the upper rail 31 and the lower rail 17 are respectively arranged at the upper end and the middle upper part of the railing post 32, and the middle left and the middle right parts of the front sides of the upper rail 31 and the lower rail 17 are respectively provided with a forward upper boss 45 and a forward lower boss 54.

The lifting assembly comprises a lifting gear motor 29, a lifting chain shaft 26, a lifting chain shaft left bearing seat 28, a lifting chain shaft right bearing seat 23 and two groups of symmetrically arranged lifting chain assemblies; the lifting gear motor 29 is arranged at the rear part of one side of the top seat 25, the lifting chain shaft left bearing seat 28 and the lifting chain shaft right bearing seat 23 are respectively arranged at the middle left part and the middle right part of the rear side of the top seat 25, two ends of the lifting chain shaft 26 respectively penetrate into the lifting chain shaft left bearing seat 28 and the lifting chain shaft right bearing seat 23, and one end of the lifting chain shaft left bearing seat and one end of the lifting chain shaft right bearing seat penetrate out and are connected with the lifting gear motor 29; the lifting chain assembly comprises a lifting chain 5, an upper chain wheel 27, a lower chain wheel 7, a lower chain wheel bracket 8 and a lower chain wheel pin shaft 6, wherein the upper chain wheel 27 is arranged on a lifting chain shaft 26; the lower chain wheel bracket 8 is arranged on the rear side edge of the base 1, and a lower chain wheel 7 is hinged through a lower chain wheel pin shaft 6; one end of the lifting chain 5 bypasses the lower sprocket 7 from back to front and then is connected with the lower boss 54 upwards, and the other end of the lifting chain bypasses the upper sprocket 27 from back to front and then is connected with the upper boss 45 downwards.

More than one group of guide assemblies are also arranged between each rear upright 44 and the railing upright 32, and each guide assembly comprises a guide wheel 56, a guide wheel bearing 58, a guide wheel bearing seat 57 and a guide wheel bearing seat bottom plate 55; the guide wheel bearing seat bottom plate 55 is arranged on the outer side surface of the railing post 32, and a guide wheel bearing seat 57 with a guide wheel bearing 58 arranged inside is arranged on the outer side of the guide wheel bearing seat bottom plate; a guide groove is formed in the middle of the inner side surface of the rear upright post 44, the guide wheel 56 is arranged in the guide groove, and a single-side stem of the guide wheel 56 extends out of the guide groove and then penetrates into an inner hole of the guide wheel bearing 58.

The lifting platform further comprises a metering compression tobacco loading vehicle driving assembly, the metering compression tobacco loading vehicle driving assembly comprises a driving gear motor 16, a pair of chain driving mechanisms, a pair of chain transmission mechanisms and a chain connecting mechanism, and the driving gear motor 16 is arranged at the front upper part of the right end of the lifting platform base 2;

the chain connecting mechanism is arranged at the right end of the lifting platform base 2 and comprises a chain connecting shaft 10, a chain connecting shaft front bearing seat 9 and a chain connecting shaft rear bearing seat, wherein the chain connecting shaft 10 penetrates through the front side and the rear side of the right side of the lifting platform base 2 in the front-rear direction and then penetrates into the chain connecting shaft front bearing seat 9 and the chain connecting shaft rear bearing seat which are arranged on the front side and the rear side of the right end of the lifting platform base 2 respectively;

the pair of chain driving mechanisms are symmetrically arranged at the upper parts of the inner sides of the front side and the rear side of the lifting platform base 2 respectively and comprise a chain driving mechanism cross beam 3, a driving chain wheel device, a driven chain wheel device, a driving chain 48 and more than one driving pushing block 4, two ends of the hollow chain driving mechanism cross beam 3 are connected with a left upright post 60 and a right upright plate 14 which are arranged on the left side and the right side of the upper surface of the lifting platform base 2, and the driving gear motor rack 16 is arranged on the front right upright plate 14;

the driving sprocket device comprises a driving sprocket shaft 15, a driving sprocket shaft front end bearing seat 40, a driving sprocket shaft rear end bearing seat 41 and a driving sprocket 43, wherein the driving sprocket shaft 15 respectively penetrates through the driving sprocket shaft front end bearing seat 40 and the driving sprocket shaft rear end bearing seat 41 at the right end of the chain driving mechanism cross beam 3 in the front-back direction, the front end of the driving sprocket shaft 15 stretches out and is connected with a driving gear motor 16, and the rear end of the driving sprocket shaft 15 stretches out and is provided with the driving sprocket 43;

the driven sprocket device comprises a driven sprocket shaft 35, a driven sprocket shaft front end bearing seat 34, a driven sprocket shaft rear end bearing seat 52 and a driven sprocket 51, wherein the driven sprocket shaft 35 respectively penetrates through the driven sprocket shaft front end bearing seat 34 and the driven sprocket shaft rear end bearing seat 52 at the left end of the chain driving mechanism beam 3 in the front-rear direction, and the driven sprocket 51 is arranged after the rear end of the driven sprocket shaft extends out;

the section of the driving pushing block 4 is in a T shape, the driving pushing block is uniformly arranged on a driving chain 48, and the driving chain 48 is wound on a driving chain wheel 43 and a driven chain wheel 51 to form a ring shape;

the pair of chain transmission mechanisms are respectively arranged at the lower parts of the right ends of the pair of chain driving mechanisms, and comprise a main chain wheel 39, a secondary chain wheel 61 and a transmission chain 11, wherein the main chain wheel 39 is arranged on a main chain wheel shaft 15 which extends out of a front end bearing seat 40 of the main chain wheel shaft, the secondary chain wheel 61 is arranged on a chain connecting shaft 10, and the transmission chain 11 is wound on the main chain wheel 39 and the secondary chain wheel 61 to form a ring shape.

A chain guard bar 47 is also provided on the rear side of the chain drive mechanism; the chain guard 47 is fixed on the rear side of the chain drive mechanism beam 3 through more than two chain guard bolts 18, and a limit sleeve 46 is sleeved on the chain guard bolts 18 between the chain guard 47 and the chain drive mechanism beam 3, and a drive chain 48 is arranged between the chain guard 47 and the chain drive mechanism beam 3.

A driving chain tensioning device is further arranged at the left end of the chain driving mechanism cross beam 3, and comprises a driving chain tensioning screw 53 and a driving chain tensioning screw pulling sleeve 59; the driving chain tensioning screw rod pulling sleeve 59 is sleeved on the driven chain wheel shaft 35 in the left end of the chain driving mechanism cross beam 3, and one end of the driving chain tensioning screw rod 53 stretches into the left end of the chain driving mechanism cross beam 3 and is connected with the outer column surface of the driving chain tensioning screw rod pulling sleeve 59.

The right front part of the lifting platform base 2 is also provided with a transmission chain tensioning mechanism comprising a transmission chain tensioning wheel shaft support lug 13 and a transmission chain tensioning wheel 12, wherein the transmission chain tensioning wheel shaft support lug 13 is horizontally arranged at the middle upper part of the left side surface of the right vertical plate 14, and the transmission chain tensioning wheel 12 is hinged on the transmission chain tensioning wheel shaft support lug through a pin shaft 42; the drive chain tensioner 12 is in engagement with the left side of the drive chain 11.

The lifting platform base 2 further comprises a metering compression tobacco loading vehicle positioning assembly, wherein the metering compression tobacco loading vehicle positioning assembly comprises a positioning frame 19, a positioning plate 24, a positioning adjusting screw 22, a positioning adjusting plate 50, a positioning electromagnet 21 and a positioning adjusting plate hinge pin 20; the positioning frame 19 is arranged on the middle left part of the driving mechanism cross beam 3 in the chain driving mechanism in front of the lifting platform base 2, and the positioning plate 24 is arranged on the rear side of the upper part of the positioning frame 19; the left part in the rear side of the positioning adjusting plate 50 is provided with a positioning electromagnet 21, the right end of the positioning adjusting plate 50 and the right end of the positioning plate 24 are hinged through a positioning adjusting plate hinge pin 20, and the positioning adjusting screw 22 passes through the left end of the positioning adjusting plate 50 from back to front and is screwed on the left end of the positioning plate 24.

The lifting workbench of the metering compression tobacco loading truck is provided with the lifting workbench on the frame base, and lifting components and lifting chains are adopted to realize the lifting and descending of the lifting workbench; meanwhile, the driving component of the metering compression tobacco loading vehicle is adopted, so that the metering compression tobacco loading vehicle can be automatically transferred; in addition, the positioning assembly of the metering compression tobacco loading vehicle is used for positioning, so that the metering compression tobacco loading vehicle can be ensured to be stable in the lifting process along with the lifting platform, and the automatic lifting and transferring of the metering compression tobacco loading vehicle are realized.

Drawings

FIG. 1 is a schematic front view of the utility model in an initial state;

FIG. 2 is a schematic front view of the present utility model after the metering compression tobacco loading vehicle is additionally installed;

FIG. 3 is a schematic front view of the present utility model after lifting;

FIG. 4 is a schematic front view of the present utility model after lifting with a metering compressed tobacco loading truck;

FIG. 5 is a schematic view in elevation and cross-section along the A-A axis of the present utility model;

FIG. 6 is a schematic view in elevation along the B-B axis of the present utility model;

FIG. 7 is a schematic view in elevation along the C-C axis of the present utility model;

FIG. 8 is a schematic view in elevation and cross-section along the D-D axis of the present utility model;

FIG. 9 is a schematic cross-sectional view taken along the E-E axis of the present utility model;

FIG. 10 is an enlarged schematic view of a portion T of the present utility model;

FIG. 11 is an enlarged schematic view of a portion K of the present utility model;

FIG. 12 is an enlarged schematic view of a portion S of the present utility model;

FIG. 13 is an enlarged partial schematic view of N of the present utility model;

FIG. 14 is an enlarged partial schematic view of H of the present utility model;

FIG. 15 is an enlarged schematic view of part of M of the present utility model;

FIG. 16 is an enlarged schematic view of part L of the present utility model;

FIG. 17 is an enlarged partial schematic view of X of the present utility model;

fig. 18 is an enlarged schematic view of a portion of U of the present utility model.

In the figure: 1 is a base, 2 is a lifting table base, 3 is a chain driving mechanism beam, 4 is a driving push block, 5 is a lifting chain, 6 is a lower sprocket pin, 7 is a lower sprocket, 8 is a lower sprocket support, 9 is a chain connecting shaft front bearing seat, 10 is a chain connecting shaft, 11 is a transmission chain, 12 is a transmission chain tensioning wheel, 13 is a transmission chain tensioning wheel shaft supporting lug, 14 is a right riser, 15 is a driving sprocket shaft, 16 is a driving gear motor, 17 is a lower rail rod, 18 is a chain guardrail bolt, 19 is a positioning frame, 20 is a positioning adjusting plate hinge pin, 21 is a positioning electromagnet, 22 is a positioning adjusting screw, 23 is a lifting chain shaft right bearing seat, 24 is a positioning plate, 25 is a top seat, 26 is a lifting chain shaft, 27 is a lifting chain upper sprocket, 28 is a lifting chain shaft left bearing seat, 29 is a lifting gear motor, 30 is a front upright, 31 is an upper rail rod, 32 is a railing post, 33 is a guide component, 34 is a front end bearing seat of a driven sprocket shaft, 35 is a driven sprocket shaft, 36 is a metering compression tobacco loading vehicle, 37 is a positioning electromagnet adsorption plate, 38 is a chain pushing bearing plate, 39 is a main sprocket, 40 is a front end bearing seat of the main sprocket shaft, 41 is a rear end bearing seat of the main sprocket shaft, 42 is a pin shaft, 43 is a driving sprocket, 44 is a rear post, 45 is an upper boss, 46 is a limit sleeve, 47 is a chain guardrail, 48 is a driving chain, 49 is a lug, 50 is a positioning adjusting plate, 51 is a driven sprocket, 52 is a rear end bearing seat of the driven sprocket shaft, 53 is a driving chain tensioning screw, 54 is a lower boss, 55 is a guide wheel bearing seat bottom plate, 56 is a guide wheel, 57 is a guide wheel bearing seat, 58 is a guide wheel bearing, 59 is a driving chain tensioning screw pull sleeve, 60 is a left post, and 61 is a driven sprocket.

Detailed Description

The utility model is further described below with reference to the drawings and examples. The following description is by way of example only, and the scope of the utility model should not be limited thereto.

In the following description:

the left, right, up and down of the drawings 1-4 and 9 are in normal directions, the direction of the drawing is the front, and the direction in the drawing is the rear;

the left and right of fig. 5-8 are in normal orientation, the upper part is the actual rear, the lower part is the actual front, the direction of the drawing plane is the actual upper, and the direction in the drawing is the actual lower.

The lifting workbench of the metering compression tobacco loading truck of the embodiment is composed of a rack, a metering compression tobacco loading truck lifting device and a metering compression tobacco loading truck positioning component.

The frame is composed of a base 1, a top seat 25, two front upright posts 30 and two rear upright posts 44, wherein the base 1 and the top seat 25 are rectangular frames, and the section from the middle left to the middle right of the rear side surface of the top seat 25 slightly retracts forwards to accommodate a lifting chain 5 in a lifting device of the metering compression tobacco loading vehicle. The two front upright posts 30 (hollow rectangular pipes) are respectively and vertically arranged at the left and right ends of the front edge of the base 1, the two rear upright posts 44 (hollow rectangular pipes) are respectively and vertically arranged at the left and right ends of the rear edge of the base 1, and a guide groove is formed in the middle of the opposite surfaces (namely, inner side surfaces) of the two rear upright posts 44 from top to bottom and is used for accommodating a unilateral handle shaft of a guide wheel 56 in the guide assembly; the footstock 25 sets up in the upper end of front column 30 and rear column 44, and the elevating platform sets up in the space between base 1 and footstock 25, and lifting assembly sets up above footstock 25, and it passes through lifting chain 5 with the elevating platform and is connected.

The lifting device of the metering compression tobacco loading vehicle consists of a lifting table, a lifting assembly, two pairs of guide assemblies and a driving assembly of the metering compression tobacco loading vehicle.

The lifting platform is composed of a lifting platform base 2, a pair of railing posts 32, an upper rail 31 and a lower rail 17. The lifting platform base 2 is placed on the base 1, two sides of the front side of the lifting platform base are provided with notches for accommodating the front upright post 30, the rear side of the lifting platform base is contracted forwards to be level with the front of the rear upright post 44, and two sides of the rear side of the lifting platform base are provided with convex blocks 49 which protrude backwards slightly towards the middle part (used for being placed on the rear side of the base 1 and playing a supporting role); the pair of railing posts 32 have a height of 30-60% of the height of the rear post 44 and are vertically disposed on the lugs 49 just opposite the inner side of the rear post 44; the upper rail 31 and the lower rail 17 are respectively disposed at the upper end and the middle upper portion of the railing post 32, and the middle left and middle right portions of the front sides of the upper rail 31 and the lower rail 17 are respectively provided with a forward upper boss 45 and a forward lower boss 54 for connecting the lifting chain 5.

The lifting assembly consists of a lifting gear motor 29, a lifting chain shaft 26, a lifting chain shaft left bearing seat 28, a lifting chain shaft right bearing seat 23 and two groups of symmetrically arranged lifting chain assemblies. The lifting gear motor 29 is disposed at the rear part of one side (left side or right side, in this example, left side) of the top seat 25, the lifting chain shaft left bearing seat 28 and the lifting chain shaft right bearing seat 23 are respectively disposed at the middle left part and the middle right part of the rear side of the top seat 25, two ends of the lifting chain shaft 26 respectively penetrate into the lifting chain shaft left bearing seat 28 and the lifting chain shaft right bearing seat 23, and one end (left end in this example) penetrates out and then is connected with the lifting gear motor 29; the lifting chain component (taking a right group as an example in the embodiment) is composed of a lifting chain 5, an upper chain wheel 27, a lower chain wheel 7, a lower chain wheel bracket 8 and a lower chain wheel pin shaft 6, wherein the upper chain wheel 27 is arranged on a lifting chain shaft 26 and on the left side of a right bearing seat 23 of the lifting chain shaft; the lower chain wheel bracket 8 is arranged at the middle right part on the rear side edge of the base 1, and the upper end of the lower chain wheel bracket is hinged with the lower chain wheel 7 through the lower chain wheel pin shaft 6; one end of the lifting chain 5 passes around the lower sprocket 7 from the back to the front and then is connected with the lower boss 54 upwards, and the other end passes around the upper sprocket 27 from the back to the front and then is connected with the upper boss 45 downwards.

The guide components are divided into four groups (namely two pairs) which are respectively arranged between each rear upright post 44 and the railing upright post 32, and the guide components consist of a guide wheel 56, a guide wheel bearing 58, a guide wheel bearing seat 57 and a guide wheel bearing seat bottom plate 55; the guide wheel bearing seat bottom plate 55 is arranged on the outer side surface of the railing post 32, and a guide wheel bearing seat 57 with a guide wheel bearing 58 arranged inside is arranged on the outer side of the guide wheel bearing seat bottom plate; a guide groove is formed in the middle of the inner side surface (i.e. the left side surface) of the rear upright post 44 from top to bottom, a guide wheel 56 is arranged in the guide groove, and a single-side handle shaft on the left side of the guide wheel 56 extends out of the guide groove and then penetrates into an inner hole of a guide wheel bearing 58.

The driving assembly of the metering compression tobacco loading vehicle consists of a driving gear motor 16, a pair of chain driving mechanisms, a pair of chain transmission mechanisms and a chain connecting mechanism, wherein the driving gear motor 16 is arranged at the front upper part of the right end of the lifting platform base 2.

The chain connecting mechanism is arranged at the right end of the lifting platform base 2 and consists of a chain connecting shaft 10, a chain connecting shaft front bearing seat 9 and a chain connecting shaft rear bearing seat (not marked in the drawing), and the chain connecting shaft 10 penetrates into the chain connecting shaft front bearing seat 9 and the chain connecting shaft rear bearing seat which are arranged at the front side and the rear side of the right end of the lifting platform base 2 respectively after penetrating through the front side and the rear side of the right side of the lifting platform base 2.

The two groups (i.e. a pair of chain driving mechanisms) are symmetrically identical (also can be said to be symmetrically arranged), and are respectively arranged at the upper parts of the inner sides of the front side and the rear side of the lifting platform base 2, and the front group is exemplified by a chain driving mechanism beam 3, a driving sprocket device, a driven sprocket device, a driving chain 48, a plurality of (four in the example and also other number of) driving push blocks 4, a chain guardrail assembly and a driving chain tensioning device, two ends of the hollow chain driving mechanism beam 3 are connected with a left upright post 60 and a right upright post 14 which are arranged on the left side and the right side of the upper surface of the lifting platform base 2, and a driving gear motor frame 16 is arranged on the front right upright post 14.

The driving sprocket device comprises a driving sprocket shaft 15, a driving sprocket shaft front end bearing seat 40, a driving sprocket shaft rear end bearing seat 41 and a driving sprocket 43, wherein the front and rear directions of the driving sprocket shaft 15 respectively penetrate through the driving sprocket shaft front end bearing seat 40 and the driving sprocket shaft rear end bearing seat 41 at the right end of the cross beam 3 of the chain driving mechanism, the front ends of the driving sprocket shaft 15 extend out and are connected with the driving gear motor 16, and the rear ends of the driving sprocket shaft 15 extend out and are provided with the driving sprocket 43.

The driven sprocket device is composed of a driven sprocket shaft 35, a driven sprocket shaft front end bearing seat 34, a driven sprocket shaft rear end bearing seat 52 and a driven sprocket 51, wherein the driven sprocket shaft 35 respectively passes through the driven sprocket shaft front end bearing seat 34 and the driven sprocket shaft rear end bearing seat 52 at the left end of the chain driving mechanism beam 3 in the front-rear direction, and the driven sprocket 51 is installed after the rear end of the driven sprocket shaft extends out.

The driving chain 48 is wound around the driving sprocket 43 and the driven sprocket 51 to form a loop shape; the section of the driving pushing block 4 is in a T shape, and the upper surface of a part of the driving pushing block is arranged on the outer ring surface of the driving chain 48 (four blocks are uniformly arranged); the lower end of the 'I' part is used for hanging a chain pushing bearing plate 38 on the metering compression tobacco loading vehicle 36, so as to drive the metering compression tobacco loading vehicle 36 to move from left to right.

The chain guard bar assembly is arranged at the rear side of the chain driving mechanism and consists of a chain guard bar 47, a chain guard bar bolt 18 and a limit sleeve 46; the chain guard 47 is fixed to the rear side of the chain drive mechanism beam 3 by two (two in this example, or other number of) chain guard bolts 18, and the stop collar 46 is sleeved on the chain guard bolts 18 between the chain guard 47 and the chain drive mechanism beam 3, so that the driving chain 48 is placed between the chain guard 47 and the chain drive mechanism beam 3 and protected.

The driving chain tensioning device is arranged at the left end of the cross beam 3 of the chain driving mechanism and consists of a driving chain tensioning screw 53 and a driving chain tensioning screw pulling sleeve 59; the driving chain tensioning screw rod pulling sleeve 59 is sleeved on the driven chain wheel shaft 35 in the left end of the chain driving mechanism beam 3, one end of the driving chain tensioning screw rod 53 stretches into the left end of the chain driving mechanism beam 3 and is connected with the outer column surface of the driving chain tensioning screw rod pulling sleeve 59, and the position of the driven chain wheel shaft 35 can be adjusted by rotating a locking nut (not marked in the drawing) on the driving chain tensioning screw rod 53, so that tensioning or loosening of the driving chain 48 can be adjusted.

The pair of chain transmission mechanisms are basically symmetrical and identical, are respectively arranged at the lower parts of the right ends of the pair of chain driving mechanisms, and are formed by a main chain wheel 39, a secondary chain wheel 61, a transmission chain 11 and a transmission chain tensioning mechanism, wherein the main chain wheel 39 is arranged on a driving chain wheel shaft 15 which extends out of a bearing seat 40 at the front end of the driving chain wheel shaft, the secondary chain wheel 61 is arranged on a chain connecting shaft 10, and the transmission chain 11 is wound on the main chain wheel 39 and the secondary chain wheel 61 to form a ring shape.

The transmission chain tensioning mechanism is arranged at the right front part of the lifting platform base 2 and consists of a transmission chain tensioning wheel shaft support lug 13, a transmission chain tensioning wheel 12 and a pin shaft 42, wherein the transmission chain tensioning wheel shaft support lug 13 is horizontally arranged at the middle upper part of the left side surface of the right vertical plate 14, and the transmission chain tensioning wheel 12 is hinged on the transmission chain tensioning wheel shaft support lug through the pin shaft 42; the drive chain tensioner 12 is in engagement with the left side of the drive chain 11.

The positioning component of the metering compression tobacco loading truck is arranged on the lifting platform base 2 and consists of a positioning frame 19, a positioning plate 24, a positioning adjusting screw 22, a positioning adjusting plate 50, a positioning electromagnet 21 and a positioning adjusting plate hinge pin 20; the locating frame 19 is arranged on the middle left part of the driving mechanism cross beam 3 in the chain driving mechanism in front of the lifting platform base 2, and the locating plate 24 is arranged on the rear side of the upper part of the locating frame 19; the positioning electromagnet 21 is arranged at the left part in the rear side of the positioning adjusting plate 50, the right end of the positioning adjusting plate 50 and the right end of the positioning plate 24 are hinged through the positioning adjusting plate hinge pin 20, the positioning adjusting screw 22 passes through the left end of the positioning adjusting plate 50 from back to front and is rotatably arranged at the left end of the positioning plate 24, and the distance between the positioning electromagnet 21 and the positioning electromagnet adsorption plate 37 on the metering compression smoke loading truck 36 can be adjusted by rotating the positioning adjusting screw 22.

When the metering compression tobacco loading vehicle 36 is propelled from the left side of the lifting platform base 2, a photoelectric probe (not shown in the drawing) arranged on the front upright 30 or the rear upright 44 on the upper surface of the base 1 detects the entering of the metering compression tobacco loading vehicle 36, then the driving speed reducing motor 16 is started, the driving chain 48 is driven to rotate anticlockwise, and the driving pushing block 4 on the driving speed reducing motor 16 pushes the chain pushing bearing plate 38 at the lower part of the metering compression tobacco loading vehicle 36 to move rightwards together with the metering compression tobacco loading vehicle 36; when the metering compression tobacco loading vehicle 36 moves to the right to a proper position, the speed reducing motor 16 is driven to stop rotating, then the positioning electromagnet 37 is electrified to generate strong magnetism, and the positioning electromagnet adsorption plate 37 at the middle upper part of the front left side of the metering compression tobacco loading vehicle 36 is rapidly sucked to position the metering compression tobacco loading vehicle 36; then, the lifting gear motor 29 is started to drive the lifting chain shaft 26 to rotate together with the upper chain wheel 27 so as to move upwards through the lifting chain 5, thereby driving the lifting table base 2 to move upwards together with the metering compression tobacco loading vehicle 36 thereon; when the metering compression tobacco loading vehicle 36 moves upwards to a proper position, the lifting gear motor 29 stops rotating, then the positioning electromagnet 37 is powered off, the strong magnetism disappears, and the positioning electromagnet adsorption plate 37 at the middle upper part of the front left side of the metering compression tobacco loading vehicle 36 is released immediately; then, the driving gear motor 16 is started, the driving pushing block 4 on the driving gear motor pushes the chain pushing bearing plate 38 at the lower part of the metering compression tobacco loading vehicle 36 to move rightwards along with the metering compression tobacco loading vehicle 36 out of the right side of the lifting platform base 2, and the driving gear motor 16 stops rotating; then, the lifting gear motor 29 is reversely started to drive the lifting chain shaft 26 to reversely rotate together with the upper chain wheel 27, and then the lifting chain 5 is moved downwards, so that when the lifting table base 2 is driven to move downwards to the original position, the lifting gear motor 29 stops rotating, and the whole lifting and transferring process of the metering compression tobacco loading vehicle 36 is completed.

The lifting workbench of the metering compression tobacco loading vehicle can be used for lifting and transferring the metering compression tobacco loading vehicle for loading plant leaves such as kelp and tobacco leaves and plant stems such as straw and wheat straw.

Claims (9)

1. A lifting workbench of a metering compression tobacco loading vehicle comprises a rack; the method is characterized in that: the device also comprises a metering compression tobacco loading truck lifting device, wherein the metering compression tobacco loading truck lifting device comprises a lifting table and a lifting assembly; the machine frame comprises a base (1), a top seat (25), two front upright posts (30) and two rear upright posts (44), wherein the front upright posts (30) and the rear upright posts (44) are respectively and vertically arranged at the left end and the right end of the front edge and the rear edge of the base (1), and the top seat (25) is arranged at the upper ends of the front upright posts (30) and the rear upright posts (44); the lifting platform is arranged in a space between the base (1) and the top seat (25), and the lifting assembly is arranged on the top seat (25) and is connected with the lifting platform through the lifting chain (5).

2. The metering compression carts lifting platform of claim 1, wherein: the lifting platform comprises a lifting platform base (2), a pair of railing posts (32), an upper rail rod (31) and a lower rail rod (17); the lifting platform base (2) is placed on the base (1), two sides of the front side of the lifting platform base are provided with notches for accommodating the front upright post (30), the rear side of the lifting platform base is retracted forwards to be flush with the front surface of the rear upright post (44), two sides of the rear side of the lifting platform base are provided with backwards protruding lugs (49), the heights of the pair of railing upright posts (32) are 30-60% of the heights of the rear upright post (44), and the railing upright posts are vertically arranged on the lugs (49); the upper rail (31) and the lower rail (17) are respectively arranged at the upper end and the middle-upper part of the railing post (32), and the middle left part and the middle right part of the front sides of the upper rail (31) and the lower rail (17) are respectively provided with a forward upper boss (45) and a forward lower boss (54).

3. The metering compression carts lifting platform of claim 2, wherein: the lifting assembly comprises a lifting gear motor (29), a lifting chain shaft (26), a lifting chain shaft left bearing seat (28), a lifting chain shaft right bearing seat (23) and two groups of symmetrically arranged lifting chain assemblies; the lifting speed reducing motor (29) is arranged at the rear part of one side of the top seat (25), the lifting chain shaft left bearing seat (28) and the lifting chain shaft right bearing seat (23) are respectively arranged at the middle left part and the middle right part of the rear side of the top seat (25), two ends of the lifting chain shaft (26) respectively penetrate into the lifting chain shaft left bearing seat (28) and the lifting chain shaft right bearing seat (23), and one end of the lifting chain shaft left bearing seat and one end of the lifting chain shaft right bearing seat penetrate out and are connected with the lifting speed reducing motor (29); the lifting chain assembly comprises a lifting chain (5), an upper chain wheel (27), a lower chain wheel (7), a lower chain wheel bracket (8) and a lower chain wheel pin shaft (6), wherein the upper chain wheel (27) is arranged on a lifting chain shaft (26); the lower chain wheel bracket (8) is arranged on the rear side edge of the base (1), and a lower chain wheel (7) is hinged through a lower chain wheel pin shaft (6); one end of the lifting chain (5) is connected with the lower boss (54) upwards after bypassing the lower chain wheel (7) from back to front, and the other end of the lifting chain is connected with the upper boss (45) downwards after bypassing the upper chain wheel (27) from back to front.

4. A metered compression carts lifting platform according to claim 3, wherein: more than one group of guide assemblies are arranged between each rear upright post (44) and each railing upright post (32), and each guide assembly comprises a guide wheel (56), a guide wheel bearing (58), a guide wheel bearing seat (57) and a guide wheel bearing seat bottom plate (55); the guide wheel bearing seat bottom plate (55) is arranged on the outer side surface of the railing post (32), and a guide wheel bearing seat (57) with a guide wheel bearing (58) arranged inside is arranged on the outer side of the guide wheel bearing seat bottom plate; a guide groove is formed in the middle of the inner side face of the rear upright post (44), the guide wheel (56) is arranged in the guide groove, and a single-side stem of the guide wheel (56) extends out of the guide groove and then penetrates into an inner hole of the guide wheel bearing (58).

5. The metering compression carts lifting platform of claim 4, wherein: the lifting platform further comprises a metering compression tobacco loading vehicle driving assembly, the metering compression tobacco loading vehicle driving assembly comprises a driving gear motor (16), a pair of chain driving mechanisms, a pair of chain transmission mechanisms and a chain connecting mechanism, and the driving gear motor (16) is arranged at the front upper part of the right end of the lifting platform base (2);

the chain connecting mechanism is arranged at the right end of the lifting platform base (2) and comprises a chain connecting shaft (10), a chain connecting shaft front bearing seat (9) and a chain connecting shaft rear bearing seat, wherein the chain connecting shaft (10) penetrates through the front side and the rear side of the right side of the lifting platform base (2) in the front-rear direction and then penetrates into the chain connecting shaft front bearing seat (9) and the chain connecting shaft rear bearing seat which are arranged on the front side and the rear side of the right end of the lifting platform base (2) respectively;

the pair of chain driving mechanisms are symmetrically arranged at the upper parts of the inner sides of the front side and the rear side of the lifting platform base (2) respectively, the chain driving mechanism comprises a chain driving mechanism cross beam (3), a driving chain wheel device, a driven chain wheel device, a driving chain (48) and more than one driving pushing block (4), two ends of the hollow chain driving mechanism cross beam (3) are connected with a left upright post (60) and a right upright plate (14) which are arranged on the left side and the right side of the upper surface of the lifting platform base (2), and a driving gear motor (16) is arranged on the front right upright plate (14);

the driving chain wheel device comprises a driving chain wheel shaft (15), a driving chain wheel shaft front end bearing seat (40), a driving chain wheel shaft rear end bearing seat (41) and a driving chain wheel (43), wherein the driving chain wheel shaft (15) respectively penetrates through the driving chain wheel shaft front end bearing seat (40) and the driving chain wheel shaft rear end bearing seat (41) at the right end of a chain driving mechanism cross beam (3) in the front-back direction, the front end of the driving chain wheel shaft is extended and then is connected with a driving speed reduction motor (16), and the rear end of the driving chain wheel shaft is extended and then is provided with the driving chain wheel (43);

the driven sprocket device comprises a driven sprocket shaft (35), a driven sprocket shaft front end bearing seat (34), a driven sprocket shaft rear end bearing seat (52) and a driven sprocket (51), wherein the driven sprocket shaft (35) respectively penetrates through the driven sprocket shaft front end bearing seat (34) and the driven sprocket shaft rear end bearing seat (52) at the left end of a chain driving mechanism cross beam (3) in the front-back direction, and the driven sprocket (51) is installed after the rear end of the driven sprocket shaft is extended out;

the section of the driving pushing block (4) is in a T shape and is uniformly arranged on a driving chain (48), and the driving chain (48) is wound on a driving chain wheel (43) and a driven chain wheel (51) to form a ring shape;

the pair of chain transmission mechanisms are respectively arranged at the lower parts of the right ends of the pair of chain driving mechanisms and comprise a main chain wheel (39), a secondary chain wheel (61) and a transmission chain (11), wherein the main chain wheel (39) is arranged on a driving chain wheel shaft (15) extending out of a bearing seat (40) at the front end of the driving chain wheel shaft, the secondary chain wheel (61) is arranged on a chain connecting shaft (10), and the transmission chain (11) is wound on the main chain wheel (39) and the secondary chain wheel (61) to form a ring shape.

6. The metering compression carts lifting platform of claim 5, wherein: a chain guard bar (47) is also arranged at the rear side of the chain driving mechanism; the chain guard (47) is fixed on the rear side of the chain drive mechanism cross beam (3) through more than two chain guard bolts (18), and a limiting sleeve (46) is sleeved on the chain guard bolts (18) between the chain guard (47) and the chain drive mechanism cross beam (3), so that a drive chain (48) is arranged between the chain guard (47) and the chain drive mechanism cross beam (3).

7. The metering compression carts lifting platform of claim 6, wherein: the left end of the chain driving mechanism cross beam (3) is also provided with a driving chain tensioning device, and the driving chain tensioning device comprises a driving chain tensioning screw (53) and a driving chain tensioning screw pull sleeve (59); the driving chain tensioning screw rod pulling sleeve (59) is sleeved on a driven chain wheel shaft (35) in the left end of the chain driving mechanism cross beam (3), and one end of the driving chain tensioning screw rod (53) extends into the left end of the chain driving mechanism cross beam (3) and is connected with the outer column surface of the driving chain tensioning screw rod pulling sleeve (59).

8. The metered compression carts lifting platform of claim 7, wherein: the right front part of the lifting platform base (2) is also provided with a transmission chain tensioning mechanism comprising a transmission chain tensioning wheel shaft supporting lug (13) and a transmission chain tensioning wheel (12), wherein the transmission chain tensioning wheel shaft supporting lug (13) is horizontally arranged at the middle upper part of the left side surface of the right vertical plate (14), and the transmission chain tensioning wheel (12) is hinged on the transmission chain tensioning wheel shaft supporting lug through a pin shaft (42); the transmission chain tensioning wheel (12) is meshed with the left side of the transmission chain (11).

9. The metered compression carts lifting platform of claim 8, wherein: the lifting platform base (2) further comprises a metering compression tobacco loading vehicle positioning assembly, wherein the metering compression tobacco loading vehicle positioning assembly comprises a positioning frame (19), a positioning plate (24), a positioning adjusting screw (22), a positioning adjusting plate (50), a positioning electromagnet (21) and a positioning adjusting plate hinge pin (20); the positioning frame (19) is arranged on the middle left part of the driving mechanism cross beam (3) in the chain driving mechanism in front of the lifting platform base (2), and the positioning plate (24) is arranged on the rear side of the upper part of the positioning frame (19); the left part in the rear side of location regulating plate (50) is provided with location electro-magnet (21), the right-hand member of location regulating plate (50) forms the dress of hinging through location regulating plate pivot pin (20) with the right-hand member of locating plate (24), location regulating screw (22) pass the left end of location regulating plate (50) from the back forward and adorn in the left end of locating plate (24) soon.

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