CN211090519U - Stone picker - Google Patents

Abstract

The utility model relates to a pick up stone machine, including frame, traction frame, collection stone mechanism, soil stone separation conveying mechanism, dig soil mechanism and dig a width of cloth stop gear, it includes and digs a width of cloth upper bracket, two and dig a width of cloth lower carriage, two spacing wheels and two adjusting cylinder to dig a width of cloth stop gear. The utility model has the advantages that: the utility model discloses a pick up stone machine realizes spacing round and the regulation of digging the distance between the width of cloth upper bracket through adjusting the hydro-cylinder, and then makes spacing round and the relative altitude change of digging shovel, and spacing round rolls along ground and plays the effect of stabilizing the fuselage, consequently adjusts the degree of depth that adjusting the hydro-cylinder just can adjust the digging shovel and stretch into ground, realizes picking up the stone to different soil layer depths, the utility model discloses a pick up stone machine is thorough, high-efficient, and the fault rate is low.

Description

Stone picker

Technical Field

The utility model relates to an agricultural machine field, concretely relates to pick up stone machine.

Background

Agricultural machinery is widely used in the field of agricultural machinery. However, in the farmland of China, a part of the farmland has stones with different contents, the growth of crops is directly influenced, and in order to improve the soil for mechanized operation, the stones in the soil need to be separated, so that the method is beneficial to the growth of the crops and increases the economic income.

The stone picker in the prior art has the problems of incomplete stone picking, low efficiency, inconvenience in operation, high failure rate and the like, and the stone picking effect and progress are severely limited.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve realizes how to improve and picks up the stone effect.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a stone picker comprising:

the rack comprises a support frame and two side plates which are fixedly arranged above the support frame and are oppositely arranged;

the two ends of the traction frame are respectively arranged at the front ends of the two side plates and are used for being connected with a tractor;

the stone collecting mechanism is arranged behind the supporting frame;

the soil and stone separating and conveying mechanism is arranged between the two side plates and is used for separating soil and stones and conveying the stones to the stone collecting mechanism;

the soil digging mechanism comprises a soil digging shovel, two ends of the soil digging shovel are fixedly connected with the front ends of the two side plates respectively and are positioned at the feeding end of the soil and rock separation and conveying mechanism, and the front end of the soil digging shovel extends obliquely downwards;

the digging amplitude limiting mechanism comprises a digging amplitude upper support, two digging amplitude lower supports, two limiting wheels and two adjusting oil cylinders, wherein the digging amplitude upper support is fixed above the front ends of the two side plates, one end of each digging amplitude lower support is respectively and rotatably connected with the outer side of the corresponding side plate, the other end of each digging amplitude lower support is respectively and rotatably connected with the corresponding limiting wheel, the upper ends of the two adjusting oil cylinders are respectively and rotatably connected with the digging amplitude upper support, and the lower ends of the two adjusting oil cylinders are respectively and rotatably connected with the other ends of the corresponding digging amplitude lower supports.

The utility model has the advantages that: the utility model discloses a pick up stone machine realizes spacing round and the regulation of digging the distance between the width of cloth upper bracket through adjusting the hydro-cylinder, and then makes spacing round and the relative altitude change of digging shovel, and spacing round rolls along ground and plays the effect of stabilizing the fuselage, consequently adjusts the degree of depth that adjusting the hydro-cylinder just can adjust the digging shovel and stretch into ground, realizes picking up the stone to different soil layer depths, the utility model discloses a pick up stone machine is thorough, high-efficient, and the fault rate is low.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

The two collecting shovels are respectively positioned on two sides of the front end of the digging shovel and are rotatably connected with the upper digging bracket through a telescopic collecting shovel adjusting rod; dig a width of cloth stop gear still includes the balancing unit assembly, the balancing unit assembly includes balanced upper boom and two telescopic balance montants, balanced upper boom and two the curb plate rotates to be connected, two the upper end of balance montant respectively with the both ends of balanced upper boom rotate to be connected, two the lower extreme of balance montant respectively with correspond two the other end rotation of digging a width of cloth lower carriage is connected.

The beneficial effect of adopting the further scheme is as follows: the collecting shovel collects soil and stones on two sides of the stone picking machine to the middle digging shovel, and digging efficiency is improved. The telescopic balance vertical rod is used for achieving fine adjustment of the heights of the two limit wheels, so that the heights of the two limit wheels are consistent, the two balance vertical rods can independently achieve adjustment, and the balance device assembly is stable in structure.

The power transmission mechanism is characterized by further comprising a power transmission mechanism, wherein the input end of the power transmission mechanism is in transmission connection with a power source of the tractor; the soil and stone separating and conveying mechanism comprises a conveying chain plate and a feeding mechanism, wherein the conveying chain plate is in a net structure and is in transmission connection with the power transmission mechanism, and the feeding mechanism is positioned above the digging shovel.

The beneficial effect of adopting the further scheme is that: the existing conveying chain plate usually has a long-strip-shaped gap, and stone chips are easy to leak out of the gap or be clamped in the gap, and the stone chips can damage the chain plate and even other parts of the stone picking machine in the operation process of the conveying chain plate. The utility model discloses a netted link joint of carrying compares the link joint that has rectangular clearance among the prior art, and the aperture of netted transport link joint is littleer, can sieve out the stone piece, avoids the pebble to spill from the link joint clearance.

The traction frame is characterized by further comprising a vehicle body lifting hydraulic cylinder and a traction frame connecting plate, one end of the traction frame connecting plate is rotatably connected with the side plate, the other end of the traction frame connecting plate is fixedly connected with the traction frame, and two ends of the vehicle body lifting hydraulic cylinder are respectively rotatably connected with the side plate and the traction frame.

The beneficial effect of adopting the further scheme is that: the front part of the stone picking machine is lifted through the extension and retraction of the vehicle body lifting hydraulic cylinder, so that the switching between a stone picking state and a walking state is realized.

Furthermore, the feeding mechanism comprises a first shifting roller, a second shifting roller and two swinging arms, two ends of the first shifting roller are respectively and rotatably connected with the two traction frame connecting plates and are arranged in the front upper part of the digging shovel, and one end of the first shifting roller is in transmission connection with the power transmission mechanism; one end of each of the two swing arms is respectively and rotatably connected with the corresponding outer side wall of the corresponding side plate, the other end of each of the two side plates corresponding to the swing arms is provided with an arc-shaped sliding groove, two ends of each second poking roller penetrate through the arc-shaped sliding grooves respectively and are rotatably connected with the corresponding other end of each swing arm, each second poking roller is arranged behind the corresponding first poking roller, and one end of each second poking roller is in transmission connection with the power transmission mechanism.

The beneficial effect of adopting the further scheme is that: the first shifting roller and the second shifting roller are used for pushing the soil and the stone to move to the conveying chain plate. The second is dialled the roller and is installed with the cooperation of swing arm, and when big stone passed through, the roller was dialled by the second jack-up for the height between second dialled the roller and carried the link joint can be along with the size automatically regulated of stone.

Further, soil stone separation conveying mechanism still including be located in the stone collecting mechanism and with the conveying roller that power transmission mechanism transmission is connected, the conveying roller correspond set up in the below of the discharge end of carrying the link joint for dial the stone and send to the centre of stone collecting mechanism.

The beneficial effect of adopting the further scheme is that: the conveying rollers are used for poking stones naturally falling from the conveying chain plates into the stone collecting mechanism.

Further, the stone collecting mechanism comprises a stone collecting bucket and a self-discharging hydraulic cylinder, the lower end of the self-discharging hydraulic cylinder is rotatably connected with the support frame, the upper end of the self-discharging hydraulic cylinder is rotatably connected with the side wall of the stone collecting bucket, and the upper part of the stone collecting bucket is rotatably connected with the support frame and can be driven by the self-discharging hydraulic cylinder to turn to one side; the conveying roller is rotatably connected with the side wall of the stone collecting hopper.

The beneficial effect of adopting the further scheme is that: the self-discharging hydraulic cylinder drives the stone collecting hopper to overturn to realize discharging of stones in the stone collecting hopper.

Further, the power transmission mechanism comprises a conveying roller belt transmission assembly, a friction belt transmission assembly and a soil and stone separation transmission assembly, wherein the input end of the soil and stone separation transmission assembly is in transmission connection with a power source of a tractor, the output end of the soil and stone separation transmission assembly is in transmission connection with the conveying chain plate, the first shifting roller, the second shifting roller and the friction belt transmission assembly respectively, the friction belt transmission assembly is installed on the support frame, the conveying roller belt transmission assembly is installed on the side wall of the stone collecting hopper and located above the friction belt transmission assembly, and the output end of the conveying roller belt transmission assembly is in transmission connection with the conveying roller; in the stone picking process of the stone picking machine, the conveying roller belt transmission assembly is abutted to the friction belt transmission assembly and transmits power through friction force.

The beneficial effect of adopting the further scheme is that: the conveying roller belt transmission assembly and the friction belt transmission assembly transmit power through friction, so that the conveying roller belt transmission assembly can provide power for the conveying roller, and the stone collecting hopper can overturn along with the stone collecting hopper when the stone collecting hopper needs to unload.

And the conveying chain protection lever is positioned below the feeding end of the soil and stone separation conveying mechanism, and two ends of the conveying chain protection lever are fixedly connected with the two side plates respectively.

The beneficial effect of adopting the further scheme is that: the conveying chain protection lever is arranged below the feeding end of the soil and stone separating and conveying mechanism, so that large stones protruding underground cannot collide with the conveying chain plate when the stone picking machine works.

The support frame is characterized by further comprising a hydraulic support leg and a support leg hydraulic cylinder, wherein the upper end of the hydraulic support leg is rotatably connected with the lower part of the rear end of the support frame, the upper end of the support leg hydraulic cylinder is rotatably connected with the support frame, and the lower end of the support leg hydraulic cylinder is rotatably connected with the middle part of the hydraulic support leg.

The beneficial effect of adopting the further scheme is that: when the stone collecting mechanism needs to discharge, the hydraulic support legs are unfolded and supported on the ground under the support of the support leg hydraulic cylinders, so that support is provided for the stone picking machine.

Drawings

Fig. 1 is one of three-dimensional views of a stone picker of the present invention;

fig. 2 is a second three-dimensional view of the stone picker of the present invention;

fig. 3 is a three-dimensional view of the conveying chain plate and the conveying roller of the present invention;

FIG. 4 is a partially enlarged view of the conveying chain plate of the present invention;

fig. 5 is a three-dimensional view of the amplitude limiting mechanism of the stone picker of the utility model;

fig. 6 is a schematic structural view of a conveying chain protective bar of the stone picker of the present invention;

fig. 7 is a front cross-sectional view of the stone picker of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a frame 101, a support frame 102, a side plate,

2. a traction frame is arranged on the front end of the frame,

3. a stone collecting mechanism 301, a stone collecting bucket 302, a self-discharging hydraulic cylinder,

4. an earth-rock separating and conveying mechanism 401, a conveying chain plate 402, a first poking roller 403, a second poking roller 404, a swing arm 405, a conveying roller,

5. a digging mechanism 501, a digging shovel 502 and a collecting shovel,

6. a digging amplitude limiting mechanism 601, a digging amplitude upper bracket 602, a digging amplitude lower bracket 603, a limiting wheel 604, an adjusting oil cylinder 605, a balancing device assembly 6051, a balancing upper rod 6052 and a balancing vertical rod,

7. a power transmission mechanism 701, a conveying roller belt transmission component 702, a friction belt transmission component 703, a second shifting roller transmission chain component 704, a first shifting roller transmission chain component 705, a chain plate transmission chain component 706, a power transmission case 707, a first branch case 708, a second branch case,

8. a protective bar for the conveying chain is arranged on the conveying chain,

9. the hydraulic support legs are arranged on the upper portion of the frame,

10. a hydraulic cylinder of the supporting leg is arranged,

11. a hydraulic cylinder for lifting the vehicle body,

12. a connecting plate of the traction frame is connected with the traction frame,

13. and (5) traveling wheels.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 7, the stone picker of the present embodiment includes:

the device comprises a rack 1, wherein the rack 1 comprises a support frame 101 and two side plates 102 which are fixedly arranged above the support frame 101 and are oppositely arranged;

the two ends of the traction frame 2 are respectively arranged at the front ends of the two side plates 102 and are used for being connected with a tractor;

the stone collecting mechanism 3 is arranged behind the supporting frame 101;

the soil and stone separating and conveying mechanism 4 is arranged between the two side plates 102 and is used for separating soil and stones and conveying the stones to the stone collecting mechanism 3;

the soil excavating mechanism 5 comprises a soil excavating shovel 501, two ends of the soil excavating shovel 501 are fixedly connected with the front ends of the two side plates 102 respectively and are positioned at the feeding end of the soil and rock separating and conveying mechanism 4, and the front end of the soil excavating shovel 501 extends obliquely downwards;

the digging amplitude limiting mechanism 6 comprises a digging amplitude upper support 601, two digging amplitude lower supports 602, two limiting wheels 603 and two adjusting oil cylinders 604, wherein the digging amplitude upper support 601 is fixed above the front ends of the two side plates 102, one ends of the two digging amplitude lower supports 602 are respectively and rotatably connected with the outer sides of the corresponding side plates 102, the other ends of the digging amplitude lower supports 602 are respectively and rotatably connected with the corresponding limiting wheels 603, the upper ends of the two adjusting oil cylinders 604 are respectively and rotatably connected with the digging amplitude upper support 601, and the lower ends of the two adjusting oil cylinders are respectively and rotatably connected with the other ends of the digging amplitude lower supports 602.

Specifically, a bridging plate is fixed between the upper part of the rear end of the excavating shovel 501 and the upper part of the feeding end of the earth and rock separating and conveying mechanism 4, the bottom surface of the bridging plate is abutted against the top surface of the excavating shovel 501, and the bridging plate enables earth and rock to be smoothly conveyed to the earth and rock separating and conveying mechanism 4.

Specifically, the distance between the limiting wheel 603 and the upper digging frame 601 is adjusted by the width limiting mechanism 6 through the adjusting cylinder 604, so that the relative height between the limiting wheel 603 and the digging shovel 501 is changed, and the limiting wheel 603 rolls along the ground to play a role in stabilizing the machine body in the moving process of the stone picker, so that the depth of the digging shovel 501 extending into the ground can be adjusted by adjusting the adjusting cylinder 604, and stones of different soil layer depths can be picked.

Specifically, the adjusting cylinder 604 is preferably in communication with a tractor hydraulic system that supplies oil to the adjusting cylinder 604.

Specifically, the two sides of the rear lower end of the support frame 101 are respectively and rotatably connected with traveling wheels 13.

As a further scheme of this embodiment, the excavator further comprises two collecting shovels 502, wherein the two collecting shovels 502 are respectively located at two sides of the front end of the digging shovel 501 and are rotatably connected with the upper bracket 601 of the digging arm through collecting shovel adjusting rods; dig a width of cloth stop gear 6 and still include balancing unit assembly 605, balancing unit assembly 605 includes balanced upper boom 6051 and two telescopic balance montant 6052, balanced upper boom 6051 and two curb plate 102 rotates to be connected, two the upper end of balance montant 6052 respectively with balanced upper boom 6051's both ends are rotated and are connected, two the lower extreme of balance montant 6052 respectively with correspond two the other end of digging a width of cloth lower carriage 602 rotates and is connected.

Specifically, as shown in fig. 1, fig. 2, and fig. 5, the balance vertical rod 6052 includes a first vertical rod, a second vertical rod, and a thread adjusting sleeve, the first vertical rod is located above and coaxially disposed on the second vertical rod, the lower portion of the first vertical rod is rotatably connected to the thread adjusting sleeve, the lower half portion in the thread adjusting sleeve has an internal thread, the upper portion of the second vertical rod has an external thread, the thread adjusting sleeve is connected to the second vertical rod through a thread structure, and the length of the balance vertical rod 6052 can be finely adjusted through the thread structure. The lower part of first montant rotates and is connected with screw thread adjusting sleeve specifically can be: the lower part outside of first montant has annular protrusion, thread adjusting sleeve's upper portion inboard has the annular groove of looks adaptation, annular protrusion with the annular groove joint, thread adjusting sleeve can rotate around the axis is nimble. Specifically, as shown in fig. 5, the first vertical rod and the second vertical rod have an included angle in a plane parallel to the side plate 102, and the upper end of the first vertical rod is rotatably connected to the end of the balance upper rod 6051. The balance upper rod 6051 and the balance vertical rod 6052 are connected to form a door shape as shown in fig. 1, fig. 2 and fig. 5, the balance upper rod 6051 is horizontally arranged and is installed above the side plate 102 through an annular steel plate, and the balance upper rod 6051 can rotate around the axis of the balance upper rod 6051. In this way, the lengths of the two balance vertical bars 6052 can be finely adjusted, respectively, and the structure is stable.

Specifically, the device further comprises a connecting rod, one end of the connecting rod is fixedly connected with the rear side of the collecting shovel 502, and the other end of the connecting rod is rotatably connected with one end of the digging arm lower support 602, so that the stability of the collecting shovel 502 is improved.

It is specific, it is the telescopic pole to collect the shovel regulation pole, collect the shovel regulation pole can adopt if balanced montant 6052's regulation structure also can adopt other current length control structures, the all is in the utility model discloses an within the spirit and the principle, as long as can realize length control's shaft-like structure, all should contain within the scope of protection of the utility model.

As a further scheme of the embodiment, the power transmission mechanism further comprises a power transmission mechanism 7, wherein an input end of the power transmission mechanism 7 is used for being in transmission connection with a power source of a tractor; the soil and stone separating and conveying mechanism 4 comprises a conveying chain plate 401 and a feeding mechanism, wherein the conveying chain plate 401 is in a net structure and is in transmission connection with the power transmission mechanism 7, and the feeding mechanism is located above the digging shovel 501.

Specifically, as shown in fig. 3 and 4, the conveying chain plate 401 includes two conveying chains, a driving roller, two driven rollers, a plurality of conveying chain connecting rods, and a plurality of connecting rings, wherein the two driven rollers are coaxially disposed. The two ends of the driving transmission roller are respectively provided with a fixed chain wheel, the fixed chain wheels of the driving transmission roller are in transmission connection with the conveying chains on the two sides of the upper end of the conveying chain plate, the two ends of the driving transmission roller are respectively in rotation connection with the two side plates 102, the fixed chain wheels are arranged at one ends of the two driven transmission rollers, the fixed chain wheels of the driven transmission rollers are in transmission connection with the conveying chains on the two sides of the lower end of the conveying chain plate, the other ends of the driven transmission rollers are in rotation connection with the side plates 102, one of the conveying chains is sleeved at one end of the driving transmission roller and the outer end of one of the driven transmission rollers, and the other. The plurality of conveying chain connecting rods are parallel to the driving transmission roller, and two ends of the conveying chain connecting rods are respectively connected with the two conveying chains. The connecting rings are sleeved on two adjacent conveying chain connecting rods at intervals, and the conveying chain connecting rods and the connecting rings form a net structure. Driven drive roller only lies in whole transport link joint 401 both ends about, and there is not the axle in the centre of carrying link joint 401 lower extreme, like this, because driven drive roller sets up in the feed end, the gravel is more, and the gravel can not block between transport link joint 401 and driven drive roller when leaking from the mesh, and equipment reliability is high. Further, still include the platy promotion piece of a plurality of triangles, it is a plurality of promote the piece and wear to locate in proper order on two adjacent conveying chain connecting rods, form triangular prism shape's catch bar, the catch bar interval sets up, is convenient for transport soil stone to collection stone mechanism 3 interior.

As a further scheme of this embodiment, the vehicle body lifting device further includes a vehicle body lifting hydraulic cylinder 11 and a traction frame connecting plate 12, one end of the traction frame connecting plate 12 is rotatably connected to the side plate 102, the other end of the traction frame connecting plate 12 is fixedly connected to the traction frame 2, and two ends of the vehicle body lifting hydraulic cylinder 11 are rotatably connected to the side plate 102 and the traction frame 2, respectively.

Specifically, the body lift cylinder 11 is preferably in communication with a tractor hydraulic system that supplies oil to the body lift cylinder 11.

As a further scheme of this embodiment, the feeding mechanism includes a first shifting roller 402, a second shifting roller 403 and two swing arms 404, two ends of the first shifting roller 402 are respectively rotatably connected to the two traction frame connection plates 12 and are disposed in front of and above the digging shovel 501, and one end of the first shifting roller is in transmission connection with the power transmission mechanism 7; one end of each of the two swing arms 404 is rotatably connected to the outer side wall of the corresponding side plate 102, the other end of each of the two side plates 102 corresponding to the swing arm 404 is provided with an arc-shaped sliding groove, two ends of the second poking roller 403 respectively penetrate through the two arc-shaped sliding grooves and are rotatably connected to the other end of the corresponding swing arm 404, the second poking roller 403 is arranged behind the first poking roller 402, and one end of the second poking roller 403 is in transmission connection with the power transmission mechanism 7.

As a further solution of this embodiment, the soil and rock separating and conveying mechanism 4 further includes a conveying roller 405 located in the rock collecting mechanism 3 and in transmission connection with the power transmission mechanism 7, and the conveying roller 405 is correspondingly disposed below the discharge end of the conveying chain plate 401, and is used for delivering the rock to the middle of the rock collecting mechanism 3.

As a further scheme of this embodiment, the stone collecting mechanism 3 includes a stone collecting bucket 301 and a self-discharging hydraulic cylinder 302, a lower end of the self-discharging hydraulic cylinder 302 is rotatably connected to the support frame 101, an upper end of the self-discharging hydraulic cylinder 302 is rotatably connected to a side wall of the stone collecting bucket 301, and an upper portion of the stone collecting bucket 301 is rotatably connected to the support frame 101 and can be driven by the self-discharging hydraulic cylinder 302 to turn to one side; the conveying roller 405 is rotatably connected to the side wall of the stone collector 301.

Specifically, the hydraulic dump cylinder 302 is preferably in communication with a hydraulic system of the tractor, which supplies oil to the hydraulic dump cylinder 302.

As a further scheme of this embodiment, the power transmission mechanism 7 includes a conveying roller belt transmission assembly 701, a friction belt transmission assembly 702 and an earth-rock separation transmission assembly, an input end of the earth-rock separation transmission assembly is in transmission connection with a power source of a tractor, an output end of the earth-rock separation transmission assembly is in transmission connection with the conveying chain plate 401, the first shifting roller 402, the second shifting roller 403 and the friction belt transmission assembly 702 respectively, the friction belt transmission assembly 702 is installed on the support frame 101, the conveying roller belt transmission assembly 701 is installed on a side wall of the other side of the stone collecting hopper 301 and located above the friction belt transmission assembly 702, and an output end of the conveying roller belt transmission assembly is in transmission connection with the conveying roller 405; in the process of picking up stones, the conveying roller belt transmission assembly 701 and the friction belt transmission assembly 702 are abutted and transmit power through friction force.

Specifically, as shown in fig. 1-2, the earth-rock separation drive assembly includes a second pick roller drive chain assembly 703, a first pick roller drive chain assembly 704, a chain plate drive chain assembly 705, a power transmission case 706, a first branch case 707, and a second branch case 708. The power gearbox 706 is fixed above the traction frame 2 through a support, the input end of the power gearbox 706 is in transmission connection with a gearbox of a tractor through a universal joint, and the output end of the power gearbox 706 is in transmission connection with a first branch box 707 located above the middle of the conveying chain plate 401 through a universal joint. As shown in fig. 1, a first output end of the first transfer case 707 is in transmission connection with a second dial roller transmission chain assembly 703 through a chain transmission, and the second dial roller transmission chain assembly 703 drives the second dial roller 403 to rotate. A first output end of the first branch box 707 is in transmission connection with the friction belt transmission assembly 702 through belt transmission, the friction belt transmission assembly 702 abuts against the conveying roller belt transmission assembly 701 and transmits power through friction, and the conveying roller belt transmission assembly 701 drives the conveying roller 405 to rotate. As shown in fig. 2, a second output end of the first branch box 707 drives a driving roller of the conveying chain plate 401 to rotate through a chain plate driving chain assembly 705. A second output end of the first transfer case 707 transmits power to the second transfer case 708 through the first shifting roller transmission chain assembly 704, two ends of the second transfer case 708 are respectively connected with a first shifting roller 402, and the second transfer case 708 drives the first shifting roller 402 to rotate.

Specifically, as shown in fig. 7, the conveying roller 405 is located below the discharge end of the conveying chain plate 401 and in the stone collecting bucket 301, and the conveying roller 405 rotates to push the falling stones to the middle of the stone collecting bucket 301.

Specifically, power is transmitted through friction between the conveying roller belt transmission assembly 701 and the friction belt transmission assembly 702, so that the conveying roller belt transmission assembly 701 can provide power for the conveying roller 405, and can overturn along with the stone collector 301 when the stone collector 301 needs to discharge.

As a further scheme of this embodiment, the device further includes a conveying chain protection bar 8, where the conveying chain protection bar 8 is located below the feeding end of the soil-rock separation conveying mechanism 4, and both ends of the conveying chain protection bar are respectively fixedly connected with the two side plates 102.

As a further scheme of this embodiment, still include hydraulic leg 9 and landing leg pneumatic cylinder 10, the upper end of hydraulic leg 9 with the below of support frame 101 rear end is rotated and is connected, the upper end of landing leg pneumatic cylinder 10 with the support frame 101 rotates and is connected, its lower extreme with the middle part of hydraulic leg 9 rotates and is connected.

Specifically, the leg cylinder 10 is preferably in communication with a tractor hydraulic system that supplies oil to the leg cylinder 10.

The utility model discloses a pick up stone machine's use as follows:

as shown in fig. 1 and 2, the front end of the traction frame 2 is connected to a tractor. Under the non-working state, the vehicle body lifting hydraulic cylinder 11 extends to lift the front part of the stone picker, the traveling wheels 13 land, and the stone picker can travel under the dragging of a tractor. The height of the two limiting wheels 603 can be leveled by finely adjusting the length of the balance vertical rod 6052, the balance vertical rod 6052 is not required to be adjusted before the stone picking work at every time, and the height of the two limiting wheels 603 is only required to be adjusted when the limiting wheels 603 are uneven.

When the stone picking work is needed, the vehicle body lifting hydraulic cylinder 11 is shortened, the limiting wheel 603 lands, the tractor drives the stone picking machine to move forwards, the depth of earth excavation can be adjusted through the adjusting hydraulic cylinder 604 at any time in the stone picking work process, the earth excavating shovel 501 excavates earth, the collecting shovel 502 collects earth stones on two sides onto the earth excavating shovel 501, the earth stones are poked onto the conveying chain plate 401 through the first poking roller 402 and the second poking roller 403, the net structure of the conveying chain plate 401 sieves the earth stones, the stones are left on the conveying chain plate 401 and are brought above the stone collecting bucket 301 by the conveying chain plate 401 to fall down, and the stones fall to the middle of the stone collecting bucket 301 under the action of the conveying roller 405.

When the stone collecting hopper 301 needs to discharge, the vehicle body lifting hydraulic cylinder 11 is shortened, the supporting leg hydraulic cylinder 10 is extended, the hydraulic supporting legs 9 are supported on the ground, and the self-discharging hydraulic cylinder 302 pushes the stone collecting hopper 301 to turn to one side, so that discharging is realized.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A stone picker, comprising:

the device comprises a rack (1), wherein the rack (1) comprises a support frame (101) and two side plates (102) which are fixedly arranged above the support frame (101) and are oppositely arranged;

the two ends of the traction frame (2) are respectively arranged at the front ends of the two side plates (102) and are used for being connected with a tractor;

the stone collecting mechanism (3) is installed behind the supporting frame (101);

the soil and stone separating and conveying mechanism (4) is installed between the two side plates (102) and used for separating soil and stones and conveying the stones to the stone collecting mechanism (3);

the soil excavating mechanism (5) comprises a soil excavating shovel (501), two ends of the soil excavating shovel (501) are fixedly connected with the front ends of the two side plates (102) respectively and are positioned at the feeding end of the soil and rock separating and conveying mechanism (4), and the front end of the soil excavating shovel (501) extends obliquely downwards;

the digging amplitude limiting mechanism (6) comprises a digging amplitude upper support (601), two digging amplitude lower supports (602), two limiting wheels (603) and two adjusting oil cylinders (604), wherein the digging amplitude upper support (601) is fixed above the front ends of the two side plates (102), one ends of the digging amplitude lower supports (602) are respectively and rotatably connected with the outer sides of the corresponding side plates (102), the other ends of the digging amplitude lower supports (602) are respectively and rotatably connected with the corresponding limiting wheels (603), the upper ends of the adjusting oil cylinders (604) are respectively and rotatably connected with the digging amplitude upper support (601), and the lower ends of the adjusting oil cylinders are respectively and rotatably connected with the other ends of the digging amplitude lower supports (602).

2. The stone picker according to claim 1, further comprising two collecting shovels (502), wherein the two collecting shovels (502) are respectively located at both sides of the front end of the digging shovel (501) and are rotatably connected with the upper digging frame (601) through collecting shovel adjusting rods; dig a limit mechanism (6) and still include balancing unit assembly (605), balancing unit assembly (605) is including balanced upper boom (6051) and two telescopic balance montant (6052), balanced upper boom (6051) and two curb plate (102) rotate to be connected, two the upper end of balance montant (6052) respectively with the both ends of balanced upper boom (6051) are rotated and are connected, two the lower extreme of balance montant (6052) respectively with correspond two the other end of digging a lower carriage (602) is rotated and is connected.

3. The stone picker according to claim 1, further comprising a power transmission mechanism (7), wherein an input end of the power transmission mechanism (7) is used for being in transmission connection with a power source of a tractor; the soil and stone separation conveying mechanism (4) comprises a conveying chain plate (401) and a feeding mechanism, wherein the conveying chain plate (401) is in transmission connection with the power transmission mechanism (7), the conveying chain plate (401) is of a net-shaped structure, and the feeding mechanism is located above the digging shovel (501).

4. The stone picker according to claim 3, further comprising a car body lifting hydraulic cylinder (11) and a traction frame connecting plate (12), wherein one end of the traction frame connecting plate (12) is rotatably connected with the side plate (102), the other end of the traction frame connecting plate is fixedly connected with the traction frame (2), and two ends of the car body lifting hydraulic cylinder (11) are rotatably connected with the side plate (102) and the traction frame (2), respectively.

5. The stone picker according to claim 4, wherein the feeding mechanism comprises a first shifting roller (402), a second shifting roller (403) and two swing arms (404), the two ends of the first shifting roller (402) are respectively and rotatably connected with the two traction frame connecting plates (12) and arranged in front of and above the digging shovel (501), and one end of the first shifting roller is in transmission connection with the power transmission mechanism (7); one end of each of the two swing arms (404) is respectively connected with the corresponding outer side wall of the side plate (102) in a rotating mode, the side plates (102) correspond to the other ends of the swing arms (404) and are respectively provided with arc-shaped sliding grooves, two ends of the second poking roller (403) penetrate through the two arc-shaped sliding grooves respectively and are connected with the corresponding other ends of the swing arms (404) in a rotating mode, the second poking roller (403) is arranged behind the first poking roller (402), and one end of the second poking roller (403) is connected with the power transmission mechanism (7) in a transmission mode.

6. The stone picker according to claim 5, wherein the soil-rock separating and conveying mechanism (4) further comprises a conveying roller (405) located in the stone collecting mechanism (3) and in transmission connection with the power transmission mechanism (7), and the conveying roller (405) is correspondingly arranged below the discharge end of the conveying chain plate (401) and used for poking stones to the middle of the stone collecting mechanism (3).

7. The stone picker according to claim 6, wherein the stone collecting mechanism (3) comprises a stone collecting bucket (301) and a self-discharging hydraulic cylinder (302), the lower end of the self-discharging hydraulic cylinder (302) is rotatably connected with the support frame (101), the upper end of the self-discharging hydraulic cylinder is rotatably connected with the side wall of the stone collecting bucket (301), and the upper part of the stone collecting bucket (301) is rotatably connected with the support frame (101) and can be turned to one side under the driving of the self-discharging hydraulic cylinder (302); the conveying roller (405) is rotatably connected with the side wall of the stone collecting hopper (301).

8. The stone picker according to claim 7, wherein the power transmission mechanism (7) comprises a conveying roller belt transmission assembly (701), a friction belt transmission assembly (702) and an earth and stone separation transmission assembly, the input end of the earth and stone separation transmission assembly is in transmission connection with a power source of a tractor, the output end of the earth and stone separation transmission assembly is in transmission connection with the conveying chain plate (401), the first poking roller (402), the second poking roller (403) and the friction belt transmission assembly (702), respectively, the friction belt transmission assembly (702) is installed on the support frame (101), the conveying roller belt transmission assembly (701) is installed on the side wall of the stone collecting hopper (301) and located above the friction belt transmission assembly (702), and the output end of the conveying roller belt transmission assembly is in transmission connection with the conveying roller (405); in the process of picking up stones, the conveying roller belt transmission assembly (701) is abutted to the friction belt transmission assembly (702) and transmits power through friction.

9. The stone picker according to any one of claims 1-8, further comprising a conveyor chain guard bar (8), wherein the conveyor chain guard bar (8) is located below the feeding end of the soil and stone separation conveyor mechanism (4), and both ends of the conveyor chain guard bar are fixedly connected with the two side plates (102) respectively.

10. The stone picker according to any one of claims 1-8, further comprising a hydraulic leg (9) and a leg cylinder (10), wherein the upper end of the hydraulic leg (9) is rotatably connected to the lower portion of the rear end of the support frame (101), the upper end of the leg cylinder (10) is rotatably connected to the support frame (101), and the lower end thereof is rotatably connected to the middle portion of the hydraulic leg (9).

Images