CN212198326U - Lifting device and silage harvester - Google Patents

Abstract

The utility model provides a lifting device and silage machine. Elevating gear is suitable for the mutual butt joint of seed grain breaker and defeated material structure or the separation of drive ensilage machine, and elevating gear includes: a gearbox assembly having a power output and at least one power input; the transmission assembly, at least one part is connected with the power output end; a lifter assembly, at least one part of which is connected with the transmission assembly, and at least one other part of which is connected with the grain crushing device; and the power mechanism is connected with the power input end and is suitable for driving the gear box assembly to drive the transmission assembly so that the lifting frame assembly drives the grain crushing device to be mutually butted or separated with or from the material conveying structure. The utility model discloses a hoisting frame subassembly is connected with seed grain breaker to drive the lift of seed grain breaker, the space size of demand is little, and supporting silage machine material passageway space is little, simple to operate.

Description

Lifting device and silage harvester

Technical Field

The utility model relates to a crushing machine technical field particularly, relates to elevating gear and silage machine.

Background

The installation of conventional silage machine seed grain breaker mostly adopts the mode of pre-installation and lift and hang, need consume a large amount of manual works and supporting machines and tools and install, has increased the cost of transportation of supporting machines and tools, but also influences the farming season. And the levelness at the two ends of the seed crushing device is difficult to ensure by manual reloading, multiple adjustments are needed, the time consumption is long, the adjustment is not accurate enough, and the aims of quick replacement and maintenance are difficult to achieve.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve at least one of the above technical problems.

A first object of the present invention is to provide a lifting device.

A second object of the present invention is to provide an ensiling machine.

For realizing the utility model discloses a first purpose, the embodiment of the utility model provides a lifting device is suitable for the mutual butt joint of seed grain breaker and defeated material structure or the separation of drive silage machine, and lifting device includes: a gearbox assembly having a power output and at least one power input; the transmission assembly is connected with at least one part of the power output end; a lifter assembly, at least a portion of which is connected to the drive assembly, and at least another portion of which is connected to the grain crushing device; and the power mechanism is connected with the power input end and is suitable for driving the gear box assembly to drive the transmission assembly so that the lifting frame assembly drives the grain crushing device to be mutually butted or separated with or from the material conveying structure.

In the technical scheme, the gear box assembly is driven by the power mechanism, so that the transmission assembly is ordered to drive the lifting frame assembly to carry out height lifting on the grain crushing device, the grain crushing device is integrally lifted to a material conveying structure from the ground, the grain crushing device and the material conveying structure are mutually butted, or the grain crushing device is descended, the power mechanism is used for controlling power input, the lifting frame assembly is used for driving the grain crushing device to ascend to a certain height, the butt joint of the material conveying structure is realized through overturning, or the grain crushing device is overturned and descended, the grain crushing device is separated from the material conveying structure, and the purposes of quickly replacing and overhauling the grain crushing device can be achieved.

Additionally, the utility model provides a technical scheme can also have following additional technical characterstic:

among the above-mentioned technical scheme, the transmission assembly includes: the first chain wheel is arranged at the power output end; a drive shaft; the second chain wheel is arranged at one end of the transmission shaft; the transmission chain is connected to the first chain wheel and the second chain wheel, so that the first chain wheel drives the second chain wheel to drive the transmission shaft to rotate through the transmission chain; wherein, at least one part of the hoisting frame component is connected with the transmission shaft, and the transmission shaft drives the grain crushing device to be mutually butted or separated with the material conveying structure through rotation.

In this technical scheme, power take off end is connected through the transmission chain with the second sprocket drive of transmission shaft tip, can realize steady transmission comparatively easily, the transmission shaft is through rotatory, it is rotatory through driving the hoisting frame subassembly, thereby it is rotatory to drive breaker, make the hoisting frame subassembly drive seed grain breaker promote the take the altitude comparatively steadily, because breaker and hoisting frame subassembly are articulated, the rethread upset, can realize the butt joint between breaker and the defeated material structure, the hoisting assembly is different from the mode of hoist and mount and pre-installation in the correlation technique, the reservation mounting dimension of whole machine weight and needs has been reduced, the consumption is reduced.

In any of the above technical solutions, the two sets of the hoisting frame assemblies are arranged at intervals and are arranged on the transmission shaft; wherein, the hoisting frame subassembly includes: the driving chain wheel is arranged on the transmission shaft; the limiting frame is provided with a limiting groove and is connected with the frame of the silage harvester; the driven chain wheel set is arranged in the limiting groove; the transmission chain is connected with the driving chain wheel and the driven chain wheel set; one end of the connecting piece is connected with the transmission chain, and the other end of the connecting piece is hinged with the grain crushing device; the grain crushing device comprises a grain crushing device body, a grain conveying structure and a driven chain wheel set, wherein the driven chain wheel set comprises a plurality of driven chain wheels, the driven chain wheels and at least one driving chain wheel form a triangle, at least one part of the grain crushing device body is located between two transmission chains, the two driving chain wheels drive two corresponding connecting pieces to rotate through the two transmission chains respectively, and the connecting pieces drive the grain crushing device body to ascend or descend so as to be correspondingly butted or separated with the grain conveying structure.

In the technical scheme, the two driven sprockets and the driving sprocket form a triangular structure, so that the transmission direction of the transmission chain is arc-shaped, the grain crushing device can move upwards along a curve, and the installation strength is ensured, and the stability and reliability of the movement are ensured. The transmission shaft is provided with two driving sprockets which are arranged at intervals, the distance between the two driving sprockets is larger than the width of the seed grain crushing device, the two hoisting frame assemblies are hinged with the seed grain crushing device through connecting pieces on the transmission chain respectively, so that the seed grain crushing device is hoisted together, namely, the width between the two hoisting frame assemblies is larger than the width of the seed grain crushing device, and the connection of the hoisting frame assemblies to the seed grain crushing device is realized more conveniently. Through the transmission connection of the transmission chain and the driven chain wheel set, the grain crushing device can be turned over after being lifted to a certain height by adopting the form of the transmission chain and the connecting piece, so that the replacement and the overhaul are realized more easily.

In any of the above technical solutions, the lifting device further includes: the limiting structure is arranged on the transmission shaft; wherein the limiting device is suitable for limiting the axial movement of the second chain wheel and the driving chain wheel.

In the technical scheme, the axial movement of the second chain wheel and the driving chain wheel is limited by the limiting device, so that the transmission stability of the transmission chain can be further ensured.

In any one of the above technical solutions, the limiting structure includes: the outer spherical surface eccentric sleeve bearing is arranged on the transmission shaft; the neck ring is arranged on the transmission shaft; wherein, the outer spherical surface eccentric sleeve bearing and the neck ring are respectively arranged at two sides of the second chain wheel or two sides of the driving chain wheel.

In the technical scheme, one side of the driving chain wheel positioned on the transmission shaft can be tightly fixed by the neck ring through the cylindrical pin, and the other side of the driving chain wheel is locked by the eccentric sleeve of the spherical bearing, so that the axial movement of the driving chain wheel along the transmission shaft can be limited. And one end of the second chain wheel positioned at one end of the transmission shaft is locked by an eccentric sleeve of the spherical bearing, and the other end of the second chain wheel is fixed by a gasket and a bolt through a threaded hole formed in the transmission shaft. Three outer spherical surface eccentric sleeve bearings on the transmission shaft are fixed on the rack through bolts; the width of the material conveying structure in the silage is synchronized by the limiting structure.

In any of the above technical solutions, the lifting device further includes: and the buffer structure is arranged on any driven chain wheel of the driven chain wheel group and is suitable for damping the vibration of the transmission chain.

In this technical scheme, through buffer structure, can slow down the damage when driven sprocket receives unbalance loading or atress is great to can improve elevating gear's life.

In any of the above technical solutions, the buffer structure includes: one end of the floating block is connected with any driven chain wheel of the driven chain wheel set, and the other end of the floating block is connected with the limiting frame; the elastic piece is arranged between the limiting frame and the floating block, and two ends of the elastic piece are respectively abutted against the limiting frame and the floating block; one end of the guide block is connected with the floating block; the guide hole is arranged on the limiting frame; wherein, the other end of guide block stretches into in the guiding hole.

In the technical scheme, the elastic piece can be sleeved on the part between the top of the floating block and the limiting piece, and one end of the guide block penetrates out of the guide hole for guiding, so that the floating block can be ensured not to move when the driven chain wheel is subjected to unbalance loading. The elastic member may be a compression spring. Can receive unbalance loading or can the damping when the atress is great at driven sprocket to slow down the damage, can realize that drive chain is in the tensioning state constantly.

In any of the above technical solutions, the power mechanism includes: a hydraulic motor; and/or manual components; the hydraulic motor is connected with at least one power input end, at least one part of the manual assembly is connected with the other power input end, and the manual assembly is suitable for driving the gear box assembly to output power through the power output end.

In the technical scheme, the hydraulic motor and the control handle are adopted to provide power for achieving the purposes of quick replacement and maintenance of the grain crushing device by controlling the hydraulic motor to be opened and manually controlling the handle to rotate through the cab, the power supply device is not limited to the hydraulic motor and the control handle, the conventional power device further comprises a motor or power provided by the belt transmission of the silage harvester, and the power provided by the belt transmission is not limited to the conveying belt at the grain crushing end and also comprises power indirectly provided by a mechanism formed by the belt transmission in the silage harvester.

In any of the above technical solutions, the manual assembly includes: the connecting pipe is arranged at the power input end and is rotationally connected with the rack; the handle is arranged at one end of the connecting pipe, which is far away from the power input end, and is suitable for driving the connecting pipe through the handle to provide power for the gear box assembly; the shaft neck is arranged between the power input end and the connecting pipe and is suitable for connecting the connecting pipe and the gear box assembly; the spline housing is arranged between the connecting pipe and the handle and is suitable for connecting the handle and the connecting pipe.

In the technical scheme, the power input end of the connecting pipe and the gear box assembly is connected, the connecting pipe is operated through the handle, the structure is simple, the realization is easy, the manual operation and the automatic operation can be mutually replaced, and the adaptability of the lifting device is improved.

For realizing the utility model discloses a second purpose, the embodiment of the utility model provides an ensiling machine, include: a frame; the material conveying structure is connected with the rack; the lifting device in any embodiment, at least a portion of the lifting device is connected with the frame; the grain crushing device is hinged with the lifting device; wherein, accommodation space is injectd to seed grain breaker, hoisting frame subassembly and drive assembly, and wherein, defeated material structure's at least partly is located accommodation space.

In this technical solution, the silage harvester includes the lifting device in any embodiment, and therefore has the beneficial effects of the lifting device in any embodiment, which are not described herein again.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic front view of a chain hoist in the related art;

FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;

FIG. 3 is a schematic side view of a chain hoist according to the related art;

FIG. 4 is a schematic top view of a chain hoist according to the related art;

fig. 5 is a schematic perspective view of an ensiling machine according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a lifting device according to an embodiment of the present invention;

fig. 7 is a schematic perspective view of a portion of a lift frame assembly of a lifting device according to another embodiment of the present invention;

fig. 8 is a schematic perspective view of a manual assembly of a lifting device according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of a transmission assembly of a lifting device according to an embodiment of the present invention;

fig. 10 is a schematic perspective view of a transmission assembly of a lifting device according to an embodiment of the present invention;

fig. 11 is a schematic perspective view of a transmission assembly of a lifting device according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:

100': a chain hoist;

the correspondence between reference numerals and part names in fig. 5 to 11 is:

100: lifting device, 110: gearbox assembly, 120: transmission assembly, 122: first sprocket, 124: drive shaft, 126: second sprocket, 128: transmission chain, 1202: tensioner, 1204: protective shell, 130: a poppet assembly, 132: drive sprocket, 134: spacing frame, 136: driven sprocket set, 1362: driven sprocket, 138: drive chain, 1302: connecting piece, 1304: connecting rod, 140: a power mechanism, 142: hydraulic motor, 144: manual assembly, 1442: journal, 1444: connecting pipe, 1446: spline housing, 1448: handle, 1402: supporting seat, 150: limit structure, 152: outer spherical surface eccentric sleeve bearing, 154: collar, 156: gasket, 160: buffer structure, 162: slider, 164: elastic member, 166: guide block, 168: pilot hole, 200: kernel crushing device, 300: defeated material structure.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the related art, stockmakers require silage to be very easily digested and absorbed. This means that each corn kernel must be crushed even when the length of the chopped portion is long, and during the silage harvesting process of the silage harvester, the corn kernels need to be crushed by two crushing rollers in the kernel crushing device in a manner of rolling towards each other. Generally, in order to accelerate the process of the operation, one silage harvester is adjusted and aligned in a manual mode, so that the time consumption is long, the labor cost is increased, and the efficiency is reduced.

In the related art, as shown in fig. 1 to 4, a chain elevator 100' mainly includes an in-out driving device, which includes a horizontally disposed work table, a traction member disposed in cooperation with the work table and configured to apply a traction force to a workpiece by rotating so as to pull the workpiece onto a supporting surface of the work table, and a first power device configured to drive the traction member to rotate, wherein the traction member is frictionally connected to the workpiece; the lifting device comprises a connecting part which is fixedly connected with the in-out driving device oppositely, and the connecting part is connected between the second power device and the driving device; the traction piece is used as a supporting surface for supporting the workpiece by the workbench and consists of a plurality of transmission rods which are arranged in parallel, and the end part of each transmission rod is rotationally connected with the frame of the workbench; a friction wheel is fixedly arranged on the body of each transmission rod; the in-out driving device is positioned on the supporting plate; the second power device is transmitted to the chain meshed with the chain wheel through a rotating shaft fixedly connected with a rotary power output end of the second power device and the chain wheel arranged on the rotating shaft; one end of the chain is fixedly connected with the hanging bracket, the other end of the chain is connected with the balance weight, and the hanging bracket is fixedly connected with the in-out driving device; the lifting device is matched with a support frame fixed on the bottom plate and comprises a hanging bracket fixedly connected with the support plate in parallel, and the top of the hanging bracket is fixedly connected to one end of each of the two chains; the top of the support frame is rotatably provided with a rotating shaft which is used as a part of the lifting device, the rotating shaft can rotate relative to the support frame by taking the axis of the rotating shaft as a rotating central line under the driving of the rotating power output by the second power device, a chain wheel is fixed on the rotating shaft, and when the chain wheel rotates, the chain is driven to enable the hanging bracket to ascend or descend. A speed reducer can be additionally arranged at the power output end of the second power device, and the speed reducer is used for reducing the speed of the power output by the second power device and then driving the rotating shaft to rotate.

In the related art, the in-and-out driving device draws the workpiece to the workbench, and the in-and-out driving device is lifted through the lifting device, and the device adopts a chain form to lift the in-and-out driving device, so that the workpiece is kept horizontal and stable in the lifting process, the working efficiency is improved while various potential safety hazards are eliminated, and the maintenance is convenient.

As can be seen from the analysis of the related art, the related art has the following technical defects:

1. the chain hoist needs a large installation space and is technically complex.

2. The axial and radial limiting function of the transported parts is not obvious.

3. The cost is higher, and the quick change and the overhaul of the transported parts are not easy to realize.

4. And stable transmission is not easy to realize.

5. The self-assembly and disassembly functions are not easy to realize.

6. Needs to occupy larger field and different devices to realize the lifting function.

Technical solutions of some embodiments of the present invention are described below with reference to fig. 5 to 11.

Example 1

As shown in fig. 5, the present embodiment provides a lifting device 100, which is suitable for driving a grain crushing device 200 of an ensilage machine to be butted with or separated from a material conveying structure 300, wherein the lifting device 100 comprises: the gearbox assembly 110 is provided with a power output end and at least one power input end; a transmission assembly 120, at least a portion of the transmission assembly 120 being connected to the power output; a poppet assembly 130, at least a portion of the poppet assembly 130 being connected to the drive assembly 120, at least another portion of the poppet assembly 130 being connected to the grain crushing device 200; the power mechanism 140 is connected to the power input end and adapted to drive the gear box assembly 110 to drive the transmission assembly 120, so that the lifting frame assembly 130 drives the grain crushing device 200 and the feeding structure 300 to be butted with or separated from each other.

In this embodiment, the gear box assembly 110 is driven by the power mechanism 140, so as to drive the transmission assembly 120 to drive the lifting frame assembly 130 to lift the grain crushing device 200, so that the grain crushing device 200 is integrally lifted from the ground to the material conveying structure 300, so that the grain crushing device 200 and the material conveying structure 300 are mutually butted, or the grain crushing device 200 is descended, the power input is controlled by the power mechanism 140, so that the lifting frame assembly 130 drives the grain crushing device 200 to be lifted to a certain height, and the material conveying structure 300 is butted by turning, or is turned and descended, so as to realize separation from the material conveying structure 300, thereby achieving the purpose of quickly changing and overhauling the grain crushing device 200.

Example 2

As shown in fig. 5 and 6, the present embodiment provides a lifting device 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:

the transmission assembly 120 includes: first sprocket 122, drive shaft 124, second sprocket 126 and first

The chain 128, the first chain wheel 122 is arranged at the power output end; the second chain wheel 126 is arranged at one end of the transmission shaft 124; the transmission chain 128 is connected to the first chain wheel 122 and the second chain wheel 126, so that the first chain wheel 122 drives the second chain wheel 126 to rotate the transmission shaft 124 through the transmission chain 128; wherein, the transmission shaft 124 drives the grain crushing device 200 and the feeding structure 300 to be mutually butted or separated through rotation.

In this embodiment, the power output end is in transmission connection with the second sprocket 126 at one end of the transmission shaft 124 through the transmission chain 128, stable transmission can be easily realized, the transmission shaft 124 rotates through driving the lifting frame assembly 130 to rotate, thereby driving the crushing device 200 to rotate, and enabling the lifting frame assembly 130 to drive the grain crushing device 200 to stably lift to a certain height, because the crushing device 200 is hinged with the lifting frame assembly 130, and then overturned, the butt joint between the crushing device 200 and the material conveying structure 300 can be realized, the lifting frame assembly 130 is different from the hoisting and pre-assembling modes in the related art, the reserved installation size of the whole machine weight and the requirement is reduced, and the power consumption is reduced.

In this embodiment, the transmission assembly 120 further includes a tensioning device 1202 and a protective shell 1204, the tensioning device 1202 is used for tensioning the transmission chain 128, and the protective shell 1204 is used for protecting the transmission chain 128.

Example 3

As shown in fig. 5, 6, 8 and 10, the present embodiment provides a lifting device 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:

the lift frame assemblies 130 are arranged in two sets, and the two sets of lift frame assemblies 130 are spaced apart from each other and are disposed on the transmission shaft 124. Wherein the poppet assembly 130 includes: the driving chain wheel 132 is arranged on the transmission shaft 124; the limiting frame 134 is provided with a limiting groove, and the limiting frame 134 is connected with the frame of the silage harvester; the driven chain wheel set 136 is arranged in the limit groove; the driving chain 138 is connected with the driving chain wheel 132 and the driven chain wheel set 136; one end of the connecting piece 1302 is connected with the transmission chain 138, and the other end of the connecting piece 1302 is hinged with the grain crushing device 200; the driven sprocket set 136 includes a plurality of driven sprockets 1362, the plurality of driven sprockets 1362 and at least one driving sprocket 132 form a triangle, at least a part of the grain crushing device 200 is located between two driving chains 138, and the two driving sprockets 132 respectively drive the two corresponding connecting members 1302 to rotate through the two driving chains 138, so that the connecting members 1302 drive the grain crushing device 200 to rise or fall, and correspondingly butt against or separate from the feeding structure 300.

In this embodiment, spacing 134 mainly includes two curb plates, two curb plates are each other spaced and relative setting, and connect into C shape structure through the connecting plate in one end, the connecting plate passes through the bolt and is connected with the frame of silage machine, inject the spacing groove between two curb plates, there is connecting rod 1304 one end that the connecting plate was kept away from to the spacing groove through bolted connection, connecting rod 1304 is rectangle tubular structure, the other end of connecting rod adopts the bolt to be connected with the bottom plate of silage machine, and need guarantee the parallel and level degree after two spacing 134's the installation. The driven chain wheel set 136 is arranged in the limiting groove, the driven chain wheel set 136 comprises two driven chain wheels, kidney-shaped holes are formed in the side plates, and the two driven chain wheels are fixedly connected to the kidney-shaped holes through shaft sleeves, roller bearings and elastic check rings and bolts respectively. Wherein, two driven sprockets and a drive sprocket 132 structure triangle-shaped structure, make the drive direction of drive chain 138 have the arc, consequently can make seed grain breaker 200 rise along the curvilinear motion, when guaranteeing the installation intensity, be favorable to guaranteeing the stationarity and the reliability of motion even.

In this embodiment, two driving sprockets 132 are disposed on the transmission shaft 124, the two driving sprockets 132 are spaced apart from each other, and the distance between the two driving sprockets is greater than the width of the grain crushing device 200, so that the two hoisting frame assemblies 130 are respectively hinged to the grain crushing device 200 through the connecting members 1302 on the transmission chains 138 to jointly lift the grain crushing device 200, that is, the width between the two hoisting frame assemblies 130 is greater than the width of the grain crushing device 200, so as to more conveniently connect the hoisting frame assemblies 130 to the grain crushing device 200.

In this embodiment, the grain crushing device 200 can be turned over after being lifted to a certain height by the transmission connection of the transmission chain 138 and the driven sprocket set 136 and the form of the transmission chain 138 and the connecting piece 1302, so that the replacement and the overhaul can be realized more easily. The connecting member 1302 may be a chain, a wire rope, a hydraulic cylinder, an electric push rod, or even a hoisting and lifting assembly, and the like, as long as the entire seed crushing device is lifted to a satisfactory height and then can be turned over. In addition, the connecting member 1302 and the grain crushing device 200 may be connected by a pin or a bolt, as long as the two are fixedly hinged.

Example 4

As shown in fig. 5 to 7, the present embodiment provides a lifting device 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:

the lifting device 100 further includes: the limiting structure 150, the limiting structure 150 is arranged on the transmission shaft 124; wherein the limiting structure 150 is adapted to limit the axial movement of the second sprocket 126 and the drive sprocket 132.

In this embodiment, the limiting structure 150 limits the axial movement of the second sprocket 126 and the driving sprocket 132, so as to further ensure the transmission stability of the transmission chain 138.

Example 5

As shown in fig. 5 to 7, the present embodiment provides a lifting device 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:

limit structure 150 includes: an outer spherical eccentric sleeve bearing 152 and a collar 154; the eccentric sleeve bearing 152 of the outer spherical surface is arranged on the transmission shaft 124, and the collar 154 is arranged on the transmission shaft 124, wherein the eccentric sleeve bearing 152 of the outer spherical surface and the collar 154 are respectively arranged on two sides of the second chain wheel 126 or two sides of the driving chain wheel 132.

In this embodiment, the driving sprocket 132 on the transmission shaft 124 can be locked by the collar 154 on one side by the cylindrical pin and the spherical outer eccentric bearing sleeve 152 on the other side to limit the axial movement of the driving sprocket 132 along the transmission shaft 124. The second sprocket 126, located at one end of the drive shaft 124, is locked at one end by an eccentric bushing 154 of an insert bearing and secured at the other end by a washer 156, bolt, through a threaded hole in the drive shaft 124. Three outer spherical surface eccentric sleeve bearings 154 on the transmission shaft 124 are fixed on the frame through bolts; the width of defeated material structure 300 in the synchronous silage of limit structure.

In this embodiment, the two sides of the driving sprocket 132 or the two sides of the second sprocket 126 can be used as the limiting structure 150 by means of shaft shoulders, shaft sleeves or bolt fastening for the through holes, so long as the width of the grain crushing device 200 and the feeding structure 300 can be matched by the second sprocket 126 or the driving sprocket 132.

Example 6

As shown in fig. 10, the present embodiment provides a lifting device 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:

the lifting device 100 further includes: and the buffer structure 160 is arranged on any driven chain wheel of the driven chain wheel set 136, and is suitable for keeping the transmission chain 138 in a tensioning state.

In this embodiment, the buffer structure 160 can reduce the damage of the driven sprocket when the driven sprocket is under unbalanced load or under a large stress, so as to prolong the service life of the lifting device 100.

Example 7

As shown in fig. 10 and 11, the present embodiment provides a lifting device 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:

the buffer structure 160 includes: the floating block 162, the elastic piece 164, the guide block 166 and the guide hole 168, wherein one end of the floating block 162 is connected with any driven chain wheel of the driven chain wheel set 136, and the other end of the floating block 162 is connected with the limiting frame 134; the elastic piece 164 is arranged between the limiting frame 134 and the floating block 162, and two ends of the elastic piece 164 are respectively abutted against the limiting frame 134 and the floating block 162; one end of the guide block 166 is connected to the slider 162; the guide hole 168 is arranged on the limiting frame 134; wherein the other end of the guide block 166 extends into the guide hole 168.

In this embodiment, the slider 162 is an inverted U-shaped mechanism, two sides of the slider 162 are respectively located on two sides of the driven sprocket, a bolt can be inserted into the top opening, an opening is formed in the limiting frame 134 for inserting the bolt, and the bolt is fixed by a nut, the elastic member 164 can be sleeved on the portion of the bolt located between the top of the slider 162 and the limiting frame 134, and one end of the guide block 166 penetrates through the guide hole 168 for guiding, so that the slider 162 can be ensured not to move when the driven sprocket is subjected to unbalanced load. The elastic member 164 may be a compression spring. The driven sprocket can be damped when the driven sprocket is subjected to unbalance loading or large stress, so that damage is reduced, and the transmission chain 138 can be in a tensioning state at any time.

Example 8

As shown in fig. 5, 6 and 9, the present embodiment provides a lifting device 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:

the power mechanism 140 includes: a hydraulic motor 142; and/or manual assembly 144; the hydraulic motor 142 is connected to the power input end, and at least a portion of the manual assembly 144 is connected to another power input end, and is adapted to drive the gear box assembly 110 to output power through the power output end.

In this embodiment, the manual assembly 144 can be operated to greatly reduce the cost and equipment expenditure, and the hydraulic motor 142 can be operated automatically. The hydraulic motor 142 is connected with the gear box assembly 110 through a flange by using a bolt, the hydraulic motor 142 is controlled to be opened through a cab, the hydraulic motor and the control handle are used for providing power for manual control of handle rotation and the like, the purpose of quick replacement and maintenance of the grain crushing device 200 is achieved, the power is provided by the hydraulic motor and the control handle, the power is not limited to the hydraulic motor and the control handle, the conventional power device further comprises a motor or power provided by belt transmission of the silage harvester, the power provided by the belt transmission is not limited to a conveying belt at a grain crushing end, and the power provided by the belt transmission in the silage harvester indirectly comprises power provided by a mechanism formed by conveying the belt. The applicability of the lifting device 100 is increased by the mutual replacement of manual operation and automatic operation.

Example 9

As shown in fig. 5, 6 and 9, the present embodiment provides a lifting device 100. In addition to the technical features of the above embodiment, the present embodiment further includes the following technical features:

the manual assembly 144 includes: a connecting pipe 1442, a handle 1444, a shaft neck 1446 and a spline housing 1448, wherein the connecting pipe 1442 is arranged at the power input end and is rotatably connected with the rack. Handle 1444 is disposed at an end of connecting tube 1442 remote from the power input end and is adapted to move connecting tube 1442 via handle 1444 to provide power to gearbox assembly 110. Journal 1446 is disposed between the power input end and connecting tube 1442 and is adapted to couple gearbox assembly 110 to connecting tube 1442; a splined hub 1448 is disposed between coupling tube 1442 and handle 1444 and is adapted to couple handle 1444 to coupling tube 1442.

In this embodiment, at least a portion of the connecting pipe 1442 is a hollow pipe, which can reduce the weight and facilitate manual operation to transmit power to the gear box assembly 110, a threaded hole is formed on the box body at the power input end of the gear box assembly 110, a key slot is formed in the threaded hole, one end of the journal 1446 extends into the threaded hole to achieve fixed connection, and is connected by a key in the radial direction to further reinforce the gear box assembly. The end of the journal 1446 away from the gear box assembly 110 is provided with a through hole on its circumference, and is fixedly connected to the connecting pipe 1442 by a bolt. The end of the connecting pipe 1442 far away from the shaft neck 1446 is a hexagonal shaft, the connecting pipe 1442 is axially connected through the spline housing 1448, the connecting pipe 1442 is radially fixed on the connecting pipe 1442 through a through hole by a bolt so as to limit axial movement of the spline housing 1448, and the end of the spline housing 1448 far away from the connecting pipe 1442 is fixedly connected with the handle 1444.

In this embodiment, the connecting pipe 1442 is provided with a supporting seat 1402, the supporting seat 1402 is provided with a through hole, the connecting pipe 1442 penetrates through the through hole to be rotatably connected with the supporting seat 1402, and the supporting seat 1402 is connected with the frame of the silage harvester through a bolt.

Example 10

As shown in fig. 5, the present embodiment provides an ensiling machine including: the grain crushing device comprises a frame, a material conveying structure 300, a lifting device 100 and a grain crushing device 200, wherein the material conveying structure 300 is connected with the frame; at least a portion of the lifting device 100 is connected to the frame; wherein the grain crushing device 200, the poppet assembly 130 and the drive assembly 120 define an accommodation space, wherein at least a portion of the feed delivery structure 300 is located in the accommodation space.

In the embodiment, before the silage harvester works, the distance between the two driving sprockets 132 is adjusted according to the width of the feeding structure 300, and the feeding structure is fixed with the silage harvester frame or chassis through the connecting rod 1304 and the limiting frame 134. When the kernel crushing device 200 needs to be lifted integrally, the whole device is lifted to the material conveying structure 300 from the ground by hinging the seed crushing device 200 with the transmission chain 138, and when the driving chain wheel 132 is in unbalanced load or is stressed greatly, the service life can be prolonged by the arranged buffer structure 160. In addition, the device can control the opening of the hydraulic motor and manually control the power input by rotating the handle through the cab, so that the purposes of quick replacement and maintenance of the seed crushing device are achieved. Compared with the related art, the ensiling machine in the embodiment saves the transportation cost and the manual disassembly cost, enables the two hoisting frame assemblies 130 to reach higher parallel and level degree, and improves the use efficiency of the equipment.

To sum up, the utility model discloses beneficial effect does:

1. the lifting frame assembly 130 is connected with the grain crushing device 200 to drive the grain crushing device 200 to lift, the required space size is small, the material channel space of the silage harvester is small, and the installation is convenient.

2. The axial and radial play of the drive shaft 124 can be solved by the limit structure 150.

3. By providing the hydraulic motor 142 and the manual assembly 144, the reverse and forward transmissions of the drive chain 138 can be manipulated and the kernel crushing device 200 can be quickly reloaded at one time.

4. Through the mutual matching of the first chain wheel 122, the transmission chain 128 and the second chain wheel 126 and the mutual matching of the driving chain wheel 132, the transmission chain 138 and the driven chain wheel set 136, the stable transmission can be easily realized, the operation speeds of the lifting device 100, the transmission chain 128 and the transmission chain 138 are stable, the power change consumed in the working process is not large, and therefore the driving power is small.

5. Through setting up the connecting piece 1302 and linking together seed grain breaker 200 and hoisting frame subassembly 130 and through the effect of drive chain 138, realized dismantling and installing seed grain breaker 200, can also transport its hoist and mount, and do not need other crane hoists, saved the cost of transition, made things convenient for the installation, the time of having reduced.

6. Through controlling the hydraulic motor 142 at a key operation of the cab, the lifting of the grain crushing device 200 can be realized, or the lifting of the grain crushing device 200 can be realized by rotating the handle 1444 to drive the gear box assembly and 110 to rotate, and the operation process can be realized by one person, so that the cost and the equipment expenditure expense can be greatly reduced.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

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

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a lifting device, is suitable for the mutual butt joint of seed grain breaker and defeated material structure or the separation of drive ensilage machine, its characterized in that, lifting device includes:

a gearbox assembly having a power output and at least one power input;

a transmission assembly, at least a portion of the transmission assembly being connected to the power output;

a poppet assembly, at least a portion of which is connected to the drive assembly, and at least another portion of which is connected to the grain breaker device;

and the power mechanism is connected with the power input end and is suitable for driving the gear box assembly to drive the transmission assembly so as to enable the lifting frame assembly to drive the grain crushing device and the material conveying structure to be mutually butted or separated.

2. The lift device of claim 1, wherein the drive assembly comprises:

the first chain wheel is arranged at the power output end;

a drive shaft;

the second chain wheel is arranged at one end of the transmission shaft;

the transmission chain is connected to the first chain wheel and the second chain wheel, so that the first chain wheel drives the second chain wheel to drive the transmission shaft to rotate through the transmission chain;

at least one part of the lifting frame assembly is connected with the transmission shaft, and the transmission shaft drives the grain crushing device and the material conveying structure to be mutually butted or separated through rotation.

3. Lifting device according to claim 2,

the two groups of lifting frame assemblies are arranged at intervals and are arranged on the transmission shaft;

wherein the poppet assembly comprises:

the driving chain wheel is arranged on the transmission shaft;

the limiting frame is provided with a limiting groove and is connected with the frame of the silage harvester;

the driven chain wheel set is arranged in the limiting groove;

the transmission chain is connected with the driving chain wheel and the driven chain wheel set;

one end of the connecting piece is connected with the transmission chain, and the other end of the connecting piece is hinged with the grain crushing device;

wherein, driven sprocket group includes a plurality of driven sprocket, and is a plurality of driven sprocket and at least one drive sprocket constitutes triangle-shaped, seed grain breaker's at least some is located two between the drive chain, two drive sprocket is respectively through two drive chain drives two that correspond the connecting piece is rotatory, makes the connecting piece drives seed grain breaker risees or descends, with correspond with defeated material structure butt joint each other or separation.

4. The lifting device of claim 3, further comprising:

the limiting structure is arranged on the transmission shaft;

wherein the limiting structure is adapted to limit axial movement of the second sprocket or the drive sprocket.

5. The lifting device as recited in claim 4, wherein the limit structure comprises:

the outer spherical surface eccentric sleeve bearing is arranged on the transmission shaft;

the neck ring is arranged on the transmission shaft;

the outer spherical surface eccentric sleeve bearing and the neck ring are respectively arranged on two sides of the second chain wheel or two sides of the driving chain wheel.

6. The lifting device of claim 3, further comprising:

a buffer structure;

the buffer structure is arranged on any driven chain wheel of the driven chain wheel set and is suitable for damping the vibration of the transmission chain.

7. The lift device of claim 6, wherein the buffer structure comprises:

one end of the floating block is connected with any driven chain wheel of the driven chain wheel set, and the other end of the floating block is connected with the limiting frame;

the elastic piece is arranged between the limiting frame and the floating block, and two ends of the elastic piece are respectively abutted against the limiting frame and the floating block;

one end of the guide block is connected with the floating block;

the guide hole is arranged on the limiting frame;

and the other end of the guide block extends into the guide hole.

8. The lifting device as claimed in any one of claims 1 to 7, wherein the power mechanism comprises:

a hydraulic motor; and/or

A manual assembly;

the hydraulic motor is connected with one power input end, the manual component is connected with the other power input end and is suitable for driving the gear box assembly to output power through the power output end.

9. The lift device of claim 8, wherein the manual assembly comprises:

the connecting pipe is arranged at the power input end and is rotationally connected with the rack;

the handle is arranged at one end, far away from the power input end, of the connecting pipe and is suitable for driving the connecting pipe through the handle to provide power for the gear box assembly;

the shaft neck is arranged between the power input end and the connecting pipe and is suitable for connecting the connecting pipe and the gear box assembly;

the spline housing is arranged between the connecting pipe and the handle and is suitable for connecting the handle and the connecting pipe.

10. An ensiling machine, characterized by comprising:

a frame;

the material conveying structure is connected with the rack;

the lifting device of any one of claims 1 to 9, at least a portion of the lifting device being connected to the frame;

the grain crushing device is hinged with the lifting device;

wherein, the grain crushing device, the hoisting frame assembly and the transmission assembly define an accommodating space, wherein at least one part of the material conveying structure is positioned in the accommodating space.

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