CN220511660U - Underground high-frequency vibrating screen - Google Patents

Abstract

The utility model discloses an underground high-frequency vibrating screen, which comprises a power transmission mechanism, a vibrating screen pulling arm mechanism, a vibrating screen assembly mechanism, a plurality of rolling wheel assemblies, a trimming cutter assembly and a limiting wheel assembly, wherein the limiting wheel assembly is arranged on the lower side of the vibrating screen pulling arm mechanism; the hydraulic lifting device, the walking device and the limiting wheel assembly of the tractor are matched with the suspension assembly, so that the required harvesting and picking depth can be adjusted; the movable connection of the edge cutter pull rod and the frame avoids the jamming phenomenon caused by the winding of the side plates of the vibrating screen by soil, crops, sundries and the like; under the cooperation of the power transmission mechanism, the vibrating screen pulling arm mechanism and the vibrating screen assembly mechanism, the vibrating screen can integrally perform high-frequency inclined downward elliptical walking movement (as shown in figure 4), and the elliptical movement can perform vibration crushing separation and continuous backward vibration conveying on the shoveled soil and crop sundries; the large soil blocks can be rolled and crushed through the arranged rolling wheel assembly, so that backfilling is convenient in situ; and (5) carrying out secondary vibrating screen leakage through the storage bin.

Description

Underground high-frequency vibrating screen

Technical Field

The utility model relates to the technical field of vibrating screens, in particular to an underground high-frequency vibrating screen.

Background

The existing machines for picking up crops and sundries for underground harvesting are generally divided into a low-frequency arc running vibrating screen type, a conveying chain plate type, a roller type and a rolling cage type and a combined working mode of the above modes; the traditional underground harvester with a single working mode or a combined working mode of multiple modes has poor working effects of harvesting and picking up smaller crops, sundries and the like in underground soil, reduces the harvesting rate of the underground crops and unclean picking up the sundries and the like, directly reduces the planting profits of growers and the quality of soil, has larger damage to the underground fruit crops in the harvesting process, has higher breakage rate, has larger general volume of the harvester with the combined harvesting mode, has complex structure, is inconvenient to operate, has higher later maintenance cost, has higher pertinence to the types of underground harvesting, and reduces the working range of the harvester, and reduces the benefits of agricultural machinery.

Disclosure of Invention

The utility model aims to provide an underground high-frequency vibrating screen, which solves the problems that the existing underground harvester provided in the background art is inconvenient to collect underground crops, the screening of soil and crops is complicated, the manual participation workload for harvesting and picking is large, and the use is inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an underground high-frequency vibrating screen comprises a frame, wherein the frame is provided with a power transmission mechanism, a vibrating screen pulling arm mechanism, a vibrating screen assembly mechanism, a plurality of rolling wheel assemblies, a trimming cutter assembly and a limiting wheel assembly;

the power transmission mechanism comprises a gear box arranged in the frame, one side of the gear box is provided with a gear box power input shaft, two sides of the gear box are provided with gear box power output shafts, the inside of the frame is rotationally connected with a bridge shaft, and the gear box power output shafts and the outer sides of the bridge shaft are respectively provided with a large sheave; the inner front side of the frame is rotationally connected with a front screen shaft, the inner side of the front screen shaft and the outer side of the bridge shaft are respectively and symmetrically and fixedly connected with two small sheaves, and the large sheaves and the small sheaves are in transmission connection through a transmission belt; the rear side of the inside of the frame is rotationally connected with a rear screen shaft, and the outer sides of the front screen shaft and the rear screen shaft are symmetrically and fixedly connected with synchronous sprockets; the front screen shaft and the rear screen shaft are in transmission connection through a synchronous chain between the two synchronous chain wheels;

the vibrating screen assembly mechanism comprises a vibrating screen mounting bracket arranged in the frame, a vibrating screen side plate is arranged on the side surface of the vibrating screen mounting bracket, a vibrating screen transverse vertical beam and a vibrating screen vertical beam are arranged at the bottom of the vibrating screen side plate, and a vibrating screen bottom is paved and mounted on the vibrating screen transverse beam and the vibrating screen vertical beam; the front end of the vibrating screen bottom is provided with a vibrating screen shovel head;

the vibrating screen pulling arm mechanism comprises eccentric wheel-shaped parts arranged at the two end parts of the front screen shaft and the rear screen shaft, and eccentric wheel sleeves are arranged at the end parts of the front screen shaft and the rear screen shaft; the eccentric wheel sleeve is provided with a bearing outside, a bearing jacket is sleeved outside the bearing, the upper part of the bearing jacket is fixedly connected with a vibrating screen pull arm I, one end of the vibrating screen pull arm I, which is far away from the bearing jacket, is rotationally connected with a pin shaft fixed on the frame, the other side of the pin shaft I is provided with an adjusting pull arm, and one end of the adjusting pull arm, which is far away from the pin shaft I, is connected with a pin shaft II arranged on the frame; the lower part of the bearing sleeve is fixedly connected with a vibrating screen pulling arm II, and one end of the vibrating screen pulling arm II, which is far away from the bearing sleeve, is rotationally connected with a pin shaft III arranged on a vibrating screen side plate.

As a preferred embodiment of the present utility model: the rolling wheel assembly is arranged in the frame;

the rolling wheel assembly comprises a rolling wheel and a first reversing gear arranged on one side of the large sheave, a second reversing gear is arranged on one side of the gear box, and the first reversing gear is in meshed connection with the second reversing gear; the inside of frame still rotates and is connected with the switching-over gear shaft, the one end that keeps away from No. two switching-over gears of switching-over gear shaft is connected with the antifriction bearing who sets up in the frame, just it is a belt pulley still fixedly connected with on the switching-over gear shaft, the inboard rotation of shale shaker curb plate is connected with No. two belt pulleys, be connected through belt drive between No. one belt pulley and the No. two belt pulleys, the coaxial fixedly connected with rolling wheel sprocket of one side of No. two belt pulleys, the rolling wheel tip is provided with rolling wheel sprocket two, be provided with the rolling wheel chain between rolling wheel sprocket one and the rolling wheel sprocket two.

As a preferred embodiment of the present utility model: the rolling wheel assembly further comprises a pull rod support arranged in the frame, a rolling wheel support rod is arranged between the first rolling wheel chain wheel and the second rolling wheel chain wheel, a pull rod through hole is formed in the middle of the pull rod support, a pull rod is connected in the pull rod through hole in a sliding mode, and the lower end of the pull rod is in butt connection with the rolling wheel support rod.

As a preferred embodiment of the present utility model: and a spring is sleeved on the part of the pull rod, which is positioned between the pull rod bracket and the rolling wheel supporting rod.

As a preferred embodiment of the present utility model: the edge cutter assembly comprises an edge cutter assembly, a tooth-shaped blade is arranged on the front side of the edge cutter assembly, a pin roll IV is arranged on the edge cutter assembly, an edge cutter pull rod is rotationally connected to the pin roll IV, and one end of the edge cutter pull rod, far away from the pin roll IV, is rotationally connected with a pin roll five arranged on the frame; the upper part of the edge cutter assembly is also provided with an edge cutter pin shaft, and the edge cutter pin shaft is movably connected with the side plate of the vibrating screen.

As a preferred embodiment of the present utility model: still include spacing wheel subassembly, spacing wheel subassembly is including fixed setting up the spacing wheel fixed bolster in frame afterbody both sides, spacing wheel fixed bolster is inside to be provided with spacing in the wheel lifter, spacing wheel installation support seat of lifter bottom fixedly connected with in the spacing wheel, spacing wheel mounting hole has been seted up to spacing wheel support seat, just install the support round pin axle in the spacing wheel mounting hole, spacing wheel installing support is installed in the rotation of support round pin axle bottom, install spacing shaft on the spacing wheel installing support, install spacing wheel on the spacing shaft.

As a preferred embodiment of the present utility model: the limiting wheel lifting hydraulic cylinder is further arranged on one side of the limiting wheel fixing sleeve, and the bottom of the limiting wheel lifting hydraulic cylinder is movably connected with the limiting wheel mounting bracket seat through a pin shaft.

As a preferred embodiment of the present utility model: the top of the limiting wheel lifting hydraulic cylinder is provided with a hydraulic cylinder seat which is fixedly arranged on the frame.

As a preferred embodiment of the present utility model: the tail part of the vibrating screen bottom is provided with a screen bar, a storage bin is arranged below the screen bar, the lower part of the storage bin is provided with a storage bin screen bottom, and the storage bin screen bottom is hinged with the storage bin; a storage bin switch oil cylinder is arranged on the side plate of the vibrating screen; one end of the storage bin switch oil cylinder, which is far away from the side plate of the vibrating screen, is connected with the screen bottom of the storage bin.

As a preferred embodiment of the present utility model: the suspension assembly comprises a suspension bracket hydraulic cylinder arranged at one side of the upper traction diagonal brace and the lower traction diagonal brace, one end of the suspension bracket hydraulic cylinder is hinged with the lower traction seat, and the other end of the suspension bracket hydraulic cylinder is hinged with the hydraulic cylinder seat; the rack is provided with a suspension diagonal draw bar for preventing the left and right swing of the suspension bracket assembly.

Compared with the prior art, the utility model has the beneficial effects that:

the hydraulic lifting device and the traveling device of the tractor are utilized, the machine tool can be driven to enter the ground slowly, the required harvesting and picking depth can be adjusted through the cooperation of the arranged limiting wheel assembly and the suspension assembly, in particular, the working depth of the underground high-frequency vibrating screen can be harvested and picked up according to the harvesting and picking requirements of ten to seventy centimeters, the rear suspension system of the tractor generally cannot meet the lifting requirements of the machine tool, when the tractor reaches the lifting upper limit, the synchronous expansion and contraction of the hydraulic cylinder of the suspension bracket are realized, the suspension pull rod and the frame form a height fall through the movable fixed installation of the pin shaft, so that the secondary lifting of the machine tool is realized, the suspension diagonal pull rod is prevented from swinging left and right through the movable fixed connection of the pin shaft, and the working requirements of the machine tool are met;

through the movable connection of the edge cutter pull rod and the frame, the edge cutter assembly moves in an arc way by taking the edge cutter pin shaft as the center of a circle under the movable installation of the edge cutter pin shaft, and drives the tooth-shaped blade at the front end of the edge cutter assembly to perform cutting operation, so that the phenomenon of congestion caused by winding of soil, crops, sundries and the like is avoided during operation of the vibrating screen side plates at two sides of the machine;

under the cooperation of the power transmission mechanism, the vibrating screen pulling arm mechanism and the vibrating screen assembly mechanism, the vibrating screen can integrally perform elliptical walking motion with high frequency inclined downwards in the vertical direction, and the elliptical walking motion can perform vibrating crushing separation and continuous backward vibrating conveying on the shoveled soil and crop sundries;

the large soil blocks in vibration conveying can be conveniently crushed by rolling through the rolling wheel assembly, and the vibrated and crushed soil leaks to the lower side through the vibrating screen bottom screen, so that the separation of the soil and crops and the on-site backfilling of the soil are completed;

through the cooperation between the storage bin and the screen bars, individuals with larger crops, sundries and the like which are leaked through the vibrating screen can be further leaked through the screen bars, smaller crops, sundries and the like can be leaked into the storage bin to be temporarily stored and the doped soil can be secondarily vibrated and leaked; meanwhile, the materials in the storage bin can be conveniently released through the arranged storage bin switch oil cylinder;

the larger crop sundries and the like can be dragged and conveyed by the screen bars through the screen bars, meanwhile, the crop sundries and the like are guided to be orderly in lines through the guide plates, and finally, the crop sundries and the like are conveyed to the ground at the rear through vibration screening, so that harvesting and picking up of the underground crops and the sundries and the like are completed.

Drawings

FIG. 1 is a top view of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the present utility model;

FIG. 3 is a schematic view of the structure of an adjusting arm of the present utility model;

FIG. 4 is a schematic diagram of the motion profile of the vibrating screen of the present utility model in operation;

FIG. 5 is a side view of an up-and-down traction diagonal brace of the present utility model;

fig. 6 is a plan view of the up-and-down traction diagonal brace of the present utility model.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 6, the present embodiment provides an underground high-frequency vibrating screen, which comprises a frame 37, wherein the frame 37 is provided with a power transmission mechanism, a vibrating screen pulling arm mechanism, a vibrating screen assembly mechanism, a plurality of rolling wheel assemblies, a trimming cutter assembly and a limiting wheel assembly;

the power transmission mechanism comprises a gear box 1 arranged in a frame 37, one side of the gear box 1 is provided with a gear box power input shaft 2, two sides of the gear box 1 are provided with gear box power output shafts 3, the inside of the frame 37 is rotationally connected with a bridge passing shaft 6, and the outer sides of the gear box power output shafts 3 and the bridge passing shaft 6 are respectively provided with a large sheave 4; the front side of the inside of the frame 37 is rotationally connected with a front screen shaft 9A, the inner side of the front screen shaft 9A and the outer side of the bridge shaft 6 are respectively and symmetrically and fixedly connected with two small sheaves 5, and the large sheaves 4 and the small sheaves 5 are in transmission connection through a transmission belt 8; a rear screen shaft 9B is rotatably connected to the rear side of the interior of the frame 37, and synchronous sprockets 12 are symmetrically and fixedly connected to the outer sides of the front screen shaft 9A and the rear screen shaft 9B; the front screen shaft 9A and the rear screen shaft 9B are in transmission connection through a synchronous chain 13 between two synchronous chain wheels 12; the combined action of the device is that the rotation of the gearbox power input shaft 2 of the gearbox 1 drives the gearbox power output shaft 3 to rotate clockwise, the rotation drives the large sheave 4 to rotate through the small sheave 5 on the driving bridge shaft 6 driven by the driving belt 8, the large sheave 4 is driven by the driving bridge shaft 6 to rotate, the small sheave 5 on the front screen shaft 9A is driven to rotate through the connection of the driving belt 8, and the synchronous rotation of the front screen shaft 9A and the rear screen shaft 9B is achieved through the connection of the synchronous sprocket 12 and the synchronous chain 13.

The vibrating screen assembly mechanism comprises a vibrating screen mounting bracket 11 arranged in the frame 37, a vibrating screen side plate 57 is arranged on the side surface of the vibrating screen mounting bracket 11, a vibrating screen cross beam 58 and a vibrating screen vertical beam 59 are arranged at the bottom of the vibrating side plate 57, and a vibrating screen bottom 31 is paved and mounted on the vibrating screen cross beam 58 and the vibrating screen vertical beam 59; the front end of the vibrating screen bottom 31 is provided with a vibrating screen shovel head 29;

the vibrating screen pulling arm mechanism comprises eccentric wheel-shaped parts arranged at two ends of a front screen shaft 9A and a rear screen shaft 9B, and eccentric wheel sleeves 56 are arranged at the ends of the front screen shaft 9A and the rear screen shaft 9B; the outside of the eccentric wheel sleeve 56 is provided with a bearing 53, the outside of the bearing 53 is sleeved with a bearing outer sleeve 54, the upper part of the bearing outer sleeve 54 is fixedly connected with a vibrating screen pulling arm I10, one end of the vibrating screen pulling arm I10-1, which is far away from the bearing outer sleeve 54, is rotationally connected with a pin roll I15-1 fixed on a frame, the other side of the pin roll I is provided with an adjusting pulling arm 14, and one end of the adjusting pulling arm, which is far away from the pin roll I15-1, is connected with a pin roll II 15-2 arranged on the frame; the lower part of the bearing sleeve 54 is fixedly connected with a second vibrating screen pulling arm 10-2, and one end, far away from the bearing sleeve 54, of the second vibrating screen pulling arm 10-2 is rotatably connected with a third pin roll 15-3 arranged on a vibrating screen side plate 57. The combined action of the vibrating screen pulling arm mechanism is that the eccentric wheel sleeve 56 is driven to rotate by the high-speed rotation of the front screen shaft 9A and the rear screen shaft 9B, the circle center of the bearing sleeve 54 in the middle of the vibrating screen pulling arm 10 is driven to do circular displacement movement by the linkage of the bearing 53, and the circle center of the bearing sleeve 54 at the lower end of the vibrating screen pulling arm 10 is driven to do elliptical movement under the action of the movable connection of the adjusting pulling arm 14 and the frame 37 through the pin shaft 15;

the combined action of the vibrating screen assembly and the vibrating screen pull arm mechanism is as follows: the lower end of the pull arm of the 10 vibrating screen is movably connected with the mounting bracket of the 11 vibrating screen through a 15 pin shaft, so that the 30 vibrating screen assembly moves in a high-speed elliptical position under the driving action of the pull arm of the 10 vibrating screen, the 30 vibrating screen assembly makes soil, crops and sundries and the like in working under the shoveling of the shovel head of the 29 vibrating screen and the like in the back vibrating and jumping conveying, and the crushed soil in the vibrating conveying is leaked to the lower part of the 30 vibrating screen assembly and the land is backfilled through the beam of the 58 vibrating screen and the bottom of the 31 vibrating screen above the vertical beam of the 59 vibrating screen.

Further, the rolling wheel assembly is arranged inside the frame 37; the roller assembly comprises a roller 25 and a first reversing gear 16 arranged on one side of the large sheave 4, a second reversing gear 17 is arranged on one side of the gear box 1, and the first reversing gear 16 is in meshed connection with the second reversing gear 17; the inside of frame 37 still rotates and is connected with the switching-over gear shaft 18, the one end that keeps away from No. two switching-over gears 17 of switching-over gear shaft 18 is connected with the antifriction bearing who sets up in the frame, just still fixedly connected with No. one belt pulley one 9 on the switching-over gear shaft 18, the inboard rotation of shale shaker curb plate 57 is connected with No. two belt pulleys two 1, pass through belt 20 transmission connection between No. one belt pulley one 9 and the No. two belt pulleys two 1, the coaxial fixedly connected with rolling wheel sprocket one 23-1 of one side of No. two belt pulleys two 1, rolling wheel 25 tip is provided with rolling wheel sprocket two 23-2, be provided with rolling wheel chain 22 between rolling wheel sprocket one 23-1 and the rolling wheel sprocket two 23-2.

Further, the roller assembly further comprises a pull rod bracket 28 arranged in the frame 37, a roller support rod 22 is arranged between the roller chain wheel I23-1 and the roller chain wheel II 23-2, a pull rod through hole is formed in the middle of the pull rod bracket 28, a pull rod 26 is slidably connected in the rod through hole, and the lower end of the pull rod 26 is in abutting connection with the roller support rod 22.

Further, a spring 27 is sleeved on the part of the pull rod 26 between the pull rod bracket 28 and the rolling wheel support rod 22.

The combined function of the rolling wheel components is that the reversing gear shaft 18 rotates anticlockwise under the gear meshing function of the reversing gear I16 and the reversing gear II 17, and the rolling wheel 25 is driven to rotate through the connection transmission of the components such as the belt pulley I19, the belt 20, the belt pulley II 21, the rolling wheel chain wheel 23, the chain 24 and the like; meanwhile, the rolling wheel 25 is installed into a rotary rolling device with floating and pressing force by utilizing the connection combination of the rolling wheel supporting rod 22, the pull rod 26, the spring 27, the pull rod bracket 28 and other components, so that the soil blocks can be easily broken in working.

Further, the edge cutter assembly comprises an edge cutter assembly 33, a tooth-shaped blade 34 is arranged on the front side of the edge cutter assembly 33, a fourth pin 15-4 is arranged on the edge cutter assembly 33, an edge cutter pull rod 36 is rotatably connected to the fourth pin 15-4, and one end, far away from the fourth pin 15-4, of the edge cutter pull rod 36 is rotatably connected with a fifth pin 15-5 arranged on the frame; the upper part of the edge cutter assembly 33 is also provided with an edge cutter pin 35, and is movably connected with the side plate 57 of the vibrating screen through the edge cutter pin 35. The role of the trim cutter assembly provided here is: the movable connection of the 36 edge cutter pull rod and the 37 frame is utilized, so that the 33 edge cutter assembly moves in an arc way by taking the 35 edge cutter pin shaft as the center of a circle under the movable installation of the 35 edge cutter pin shaft, and the 34 wavy blades at the front end of the 33 edge cutter assembly are driven to cut, so that the phenomenon of congestion caused by winding of soil, crops, sundries and the like is avoided during the operation of the 57 vibrating screen side plates at the two sides of the machine.

Further, the automatic limiting device further comprises a limiting wheel assembly, the limiting wheel assembly comprises limiting wheel fixing sleeves 47 fixedly arranged on two sides of the tail of the frame 37, limiting wheel inner lifting tubes 48 are arranged inside the limiting wheel fixing sleeves 47, limiting wheel mounting support bases 49 are fixedly connected to the bottoms of the limiting wheel inner lifting tubes, limiting wheel mounting holes are formed in the limiting wheel support bases 49, support pin shafts 50 are arranged in the limiting wheel mounting holes, limiting wheel mounting supports 46 are rotatably arranged at the bottoms of the support pin shafts 50, limiting wheel shafts 45 are arranged on the limiting wheel mounting supports 46, and limiting wheels 44 are arranged on the limiting wheel shafts 45.

Further, a limiting wheel lifting hydraulic cylinder 51 is further arranged on one side of the limiting wheel fixing sleeve 47, and the bottom of the limiting wheel lifting hydraulic cylinder 51 is movably connected with a limiting wheel mounting bracket seat 49 through a pin shaft 15.

Further, a hydraulic cylinder seat 52 is disposed on top of the limit wheel lifting hydraulic cylinder 51, and the hydraulic cylinder seat 52 is fixedly mounted on the frame 37.

The limiting wheel assembly arranged above has the functions that: the auxiliary tractor is utilized to drag the machine to travel and fix the digging depth of the machine in operation.

Further, a screen bar 61 is arranged at the tail of the vibrating screen bottom 31, a storage bin 60 is arranged below the screen bar 61, a storage bin screen bottom 62 is arranged at the lower part of the storage bin 60, and the storage bin screen bottom 62 is hinged with the storage bin; a storage bin switch oil cylinder 64 is arranged on the vibrating screen side plate 57; the end of the storage bin switch cylinder 64 away from the vibrating screen side plate 57 is connected with the storage bin screen bottom 62. Here, the larger crops, sundries and the like after vibrating and rolling are conveyed to the ground behind the vibrating screen assembly 10 through the screen bars 61 at the rear end of the vibrating screen assembly 10, the smaller crops, sundries and the like are screened and leaked into the storage bin 60, the soil doped in the small crops, sundries and the like is stored and secondarily screened and leaked through the storage bin screen bottom 62, and finally the storage bin screen bottom 62 is opened under the action of the hinge 63 and the storage bin switch cylinder 64 to discharge the treated crops, sundries and the like;

further, the suspension assembly comprises a suspension bracket hydraulic cylinder 43 arranged at one side of the upper traction diagonal brace 38 and the lower traction diagonal brace 38, one end of the suspension bracket hydraulic cylinder 43 is hinged with the lower traction 39, and the other end of the suspension bracket hydraulic cylinder 43 is hinged with a hydraulic cylinder seat 52; the frame 37 is provided with a suspension diagonal member 42 which prevents the suspension assembly from swinging left and right. The function of the suspension assembly is: because the working depth of the underground high-frequency vibrating screen can be harvested and picked up according to the excavating requirement of ten to seventy centimeters, the rear suspension system of the tractor generally cannot meet the lifting requirement of the machine, when the tractor reaches the lifting upper limit, the synchronous expansion and contraction of the 43 suspension bracket hydraulic cylinder form the height drop with the 37 frame by the 39 lower traction and the 40 upper traction under the movable fixed mounting of the 15 pin shaft, so that the secondary lifting of the machine is achieved, and the 42 suspension diagonal draw bar is connected through the movable fixed connection of the 15 pin shaft to prevent the left and right swing of the suspension bracket assembly and achieve the firmness of the suspension assembly. The suspension assembly is used for assisting the device for secondarily lifting the high-frequency vibrating screen machine tool, the suspension assembly device is only required to be manufactured and installed for shoveling and picking up the high-frequency vibrating screen which meets the working requirement below 50 centimeters underground, and the traditional welding type traction seat which is not adjustable can be directly installed without installing the suspension assembly device for shoveling and picking up the high-frequency vibrating screen machine tool above 50 centimeters underground.

The working principle of the device is that,

the lower end of the vibrating screen pulling arm 10 is movably connected with the vibrating screen mounting bracket 11 through a pin shaft 15, the vibrating screen pulling arm 10 is driven to do high-speed elliptical walking movement, under the action of the high-speed elliptical walking movement, soil crop sundries and the like in shoveling work can be subjected to backward vibrating and jumping conveying under the shoveling of the vibrating screen shovel head 29, the ground breaking sieve in vibrating conveying is leaked to the lower side through the vibrating screen beam 58 and the vibrating screen vertical beam 59, larger soil blocks are crushed and crushed through the rolling wheel 25 in vibrating conveying, the larger crop, sundries and the like after vibrating and rolling are conveyed to the ground at the rear through the sieve strip 61, the smaller crop, sundries and the like are leaked into the storage bin 60, secondary screening leakage treatment is carried out on soil doped in the soil through the storage bin sieve bottom 62, and finally the treated crop sundries and the sundries are discharged after the storage bin bottom 62 is opened under the actions of the hinge 30 and the storage bin switch cylinder 55;

in the embodiment, the working power of the machine tool is rotationally supplied by utilizing the connection of the universal transmission shaft and the rear power output shaft of the tractor, the rear power output shaft of the tractor is combined before the machine tool works, the machine tool is rotationally driven to work in a state, and the hydraulic lifting device and the traveling device of the tractor are utilized to slowly drive the machine tool to enter the ground to the required harvesting and picking depth;

soil, crops, sundries and the like are carried out vibration conveying shoveling together through a movable screen shovel head 29 at the forefront end of the vibrating screen, the soil, the crop sundries and the like at the vibrating screen side plates 57 at the two sides of the machine tool are cut off through a tooth-shaped blade 34 at the front end of the edge cutter assembly 33, and the shoveled soil and the shoveled crop sundries are continuously conveyed backwards in a vibration mode;

soil blocks in the soil in vibration conveying are crushed by rolling through the rolling wheels 25, and the vibrated and crushed soil leaks to the lower side through the vibrating screen bottom screen 31 to finish the separation of the soil from crops and the on-site backfilling of the soil;

the individual who passes through the vibrating screen and leaks the remaining crops and debris etc. is through the screen of screen bar 61 to the screen of less crops debris etc. leak in storage bin 60 and carry out the secondary vibrating screen and leak, and great crops debris etc. is then dragged by screen bar 61 and is carried and pass through the direction of deflector 32 and rule in a row, finally shakes the screening and carries to the overground of rear to accomplish the results, the pick up of underground crops and debris etc..

In the embodiment and the working principle, the local vibration sieve utilizes the tractor hydraulic lifting device and the traveling device, can slowly drive the machine tool to enter the ground, and can adjust the required harvesting and picking depth through the arranged limiting wheel assembly matched with the suspension assembly, specifically speaking, the working depth of the underground high-frequency vibration sieve can be harvested and picked up according to the harvesting requirement of ten to seventy centimeters, the rear suspension system of the tractor generally meets the lifting requirement of the machine tool, when the tractor reaches the lifting upper limit, the suspension pull rod and the frame form a height fall through synchronous extension and contraction of the suspension pull rod under the movable fixed installation of the pin shaft, so that the secondary lifting of the machine tool is achieved, the suspension diagonal pull rod is fixedly connected through the movable pin shaft, the left and right swinging of the upper and lower traction diagonal braces is prevented, and the working requirement of the machine tool is met; through the movable connection of the edge cutter pull rod and the frame, the edge cutter assembly moves in an arc way by taking the edge cutter pin shaft as the center of a circle under the movable installation of the edge cutter pin shaft, and drives the tooth-shaped blade at the front end of the edge cutter assembly to perform cutting operation, so that the phenomenon of congestion caused by winding of soil, crops, sundries and the like is avoided during operation of the vibrating screen side plates at two sides of the machine; under the cooperation of the power transmission mechanism, the vibrating screen pulling arm mechanism and the vibrating screen assembly mechanism, the vibrating screen can integrally perform high-frequency inclined downward elliptical motion in the vertical direction, and the elliptical displacement motion can enable the shoveled soil and crop sundries to perform vibration crushing separation and continuously perform backward vibration conveying; the large soil blocks in vibration conveying can be conveniently crushed by rolling through the rolling wheel assembly, and the soil crushed by vibration and rolling is leaked to the lower part through the vibrating screen bottom screen, so that the separation of the soil and crops and the on-site backfill of the soil are completed; through the cooperation between the storage bin and the screen bars, the individual such as the crops, sundries and the like left by the vibrating screen can be further screened by the screen bars, and smaller crop sundries and the like can be screened into the storage bin for temporary storage and secondary vibrating screen leakage on doped soil; meanwhile, the materials in the storage bin can be conveniently released through the arranged storage bin switch oil cylinder; the larger crop sundries and the like can be dragged and conveyed by the screen bars through the screen bars, meanwhile, the crop sundries and the like are guided by the guide plates to be orderly arranged in rows, and finally, the crop sundries and the like are conveyed to the ground behind the screening through vibration, so that harvesting and picking up of the underground crops and the sundries and the like are completed.

Further with respect to the above described embodiments and the drawings in the specification,

1. gear box: the power of the tractor is converted into a main power output mechanism of the underground high-frequency vibrating screen through the connection and rotation drive of the universal transmission shaft.

2. Gearbox power input shaft: the power rotation of the tractor is transmitted to 1 through the connection of the universal transmission shaft.

3. A gear box power output shaft: the function is to transmit power rotation to 5 through the mounting 4.

4. Large grooved pulley: the function is to drive 5 to rotate through 8.

5. Small grooved pulley: the function is to drive 6 to rotate.

6. Bridge shaft: the effect is to take advantage of the difference between 4 and 5 size sheaves to increase the rotational speed of 9A and 9B.

7. Bearing pedestal: the function is to rotate the fixed mounts 6, 9A, 9B, 18.

8. A transmission belt: the function is to connect the drive 4 and the drive 5 to rotate.

9A front screen shaft: the function is to drive 30 the vibration operation by the rotation of the mounting 10. (As shown in FIG. 1, the rotation of 9A is clockwise rotation direction)

9B rear screen shaft: the function is to drive 30 the vibration operation by the rotation of the mounting 10.

10. Vibrating screen pulling arm: the function is a fixed mount 30.

11. Vibrating screen mounting bracket: the function is to fix the mount 10.

12. Synchronous sprocket: the function is to connect 9A and 9B in a synchronous rotation through 13.

13. Synchronous chain: the function is to rotate the links 9A and 9B.

14. Adjusting the pull arm: the function is to fixedly connect 10 and adjust 30 the speed of material delivery.

15. Pin shaft: the function is to connect and fix the components of the high-frequency vibrating screen.

16. Reversing gear 1: the function is to rotate the drive 17.

17. Reversing gear 2: the function is to drive 18 to rotate in reverse by the gear engagement rotation of 16.

18. Reversing gear shaft: the function is to rotate the drive 19. (the rotation of 18 is counter-clockwise as viewed in FIG. 1).

19. Pulley one: the function is to rotate 21 by 20.

20. A belt: the function is to drive 21 to rotate.

21. And a belt pulley II: the function is to rotate 23 by rotation using 24.

22. A roller support rod: the function is a fixed mounting 25.

23. Roller chain wheel: the function is to drive 25 in rotation.

24. And (3) a chain: the function is to drive 23 to rotate.

25. And (3) rolling wheels: the function is to separate and crush the soil blocks from crops and sundries by rolling the soil blocks.

26. A pull rod: the function is to limit the float mounting height of the adjustment 25.

27. And (3) a spring: the effect is to increase the floating pressure force of 25 in operation.

28. Pull rod support: the function is to secure the mount 26.

29 vibrating screen shovel head: the function is to scoop the soil.

30. A vibrating screen assembly: the function is to crush the soil and separate crops, sundries and the like in the soil from the soil.

31. Vibrating screen bottom: the function is to separate the crushed soil from crops, sundries and the like.

32 guide plates: the function is to arrange crops, sundries and the like separated from soil in a regular row.

33. Edge trimmer assembly: the function is to cut and separate the soil in the shoveling range from the soil, crops, sundries and the like at two sides.

34. Tooth blade: the function is to cut the soil crops sundries and the like adjacent to the two sides of 57 in the work.

35. Edge cutter round pin axle: the function is a movable mount 33.

36. Edge cutter pull rod: the effect is to make 33 a wobble cut with a wobble of 30. 37. A frame: the function is to install the subassembly of fixed connection high frequency vibrating screen.

38. Traction diagonal bracing up and down: the function is to movably mount the lower traction and the upper traction of 39 and 40 together by the pin shaft.

39. And (3) lower traction: the function is that the lower hanging pull plate of the tractor is movably connected with the lower hanging pull plate of the tractor through a pin shaft.

40. Upper traction: the function is that the pull rod is movably connected with the rear suspension middle pull rod of the tractor through a pin shaft.

41. Lower traction beam: the function is to fix the lower traction connection of the left side and the right side 39 together.

42. Suspension bracket diagonal draw bar: the function is to prevent the suspension assembly from rocking side to side by the movable mount 39.

43. Suspension bracket hydraulic cylinder: the function is to adjust the height difference between 38 and 37.

44. Limiting wheel: the function is to rotationally drag the underground high-frequency vibrating screen.

45. Spacing shaft: the function is to rotate the mounting 44.

46. Spacing wheel installing support: the function is to rotate the mounting 44 by 45.

47. Limiting wheel external fixation sleeve: the function is a sliding fixed mount 48.

48. Limiting in-wheel lifting tube: the function is a sliding mount 49.

49. Spacing wheel installation support seat: the function is to rotate the mount 46 by 50.

50. Limiting wheel installing support round pin axle: the function is to rotate the mounting 46.

51. Limiting wheel lifting hydraulic cylinder: the function is to adjust the height of 44.

52. And a hydraulic cylinder seat: the function is to movably mount 51 by 15.

53. And (3) bearing: the function is to rotate the fixed connection assembly.

54. Bearing jacket: the function is a fixed mounting 53.

55. Vibrating screen vibration work walking diagram: the function is to conveniently and intuitively show the walking position and the working principle of the vibrating screen worker.

56. Eccentric sleeve: the function is to drive 10 to work by the high-speed rotation of 9A and 9B by using the eccentric principle.

57. Vibrating screen side plates: the function is to support the connection mounting assembly.

58. Cross beam of vibrating screen: the function is to fix 57, 59 and support 31.

59. Vertical beam of vibrating screen: the function is to fix 57, 58 and support 31.

60. And (3) a storage bin: the function is to store smaller crops, sundries and the like after vibration rolling treatment.

61. Screen bar: the function is to sort and convey larger crops, sundries and the like after vibration rolling treatment.

62. Storage bin screen bottom: the secondary vibrating screen is used for leaking the soil doped in crops and sundries.

63. Hinge (2): the function is a movable anchor 62.

64. And a storage bin switch oil cylinder: the function is to open and close 62.

65. Lower traction seat: the function is to movably fix the connection 39 by 15.

66. Upper traction seat: the function is to movably fix the connection 40 by 15.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. An underground high-frequency vibrating screen comprises a frame (37), and is characterized in that the frame (37) is provided with a power transmission mechanism, a vibrating screen pulling arm mechanism, a vibrating screen assembly mechanism, a plurality of rolling wheel assemblies, a trimming cutter assembly and a limiting wheel assembly;

the power transmission mechanism comprises a gear box (1) arranged in the frame (37), one side of the gear box (1) is provided with a gear box power input shaft (2), two sides of the gear box (1) are provided with gear box power output shafts (3), the inside of the frame (37) is rotationally connected with a bridge shaft (6), and the outer sides of the gear box power output shafts (3) and the bridge shaft (6) are respectively provided with a large sheave (4); the front side of the inside of the frame (37) is rotationally connected with a front screen shaft (9A), two small sheaves (5) are symmetrically and fixedly connected with the inner side of the front screen shaft (9A) and the outer side of the bridge shaft (6) respectively, and the large sheaves (4) and the small sheaves (5) are in transmission connection through a transmission belt (8); a rear screen shaft (9B) is rotatably connected to the rear side of the interior of the frame (37), and synchronous chain wheels (12) are symmetrically and fixedly connected to the outer sides of the front screen shaft (9A) and the rear screen shaft (9B); the front screen shaft (9A) and the rear screen shaft (9B) are in transmission connection through a synchronous chain (13) between two synchronous chain wheels (12);

the vibrating screen assembly mechanism comprises a vibrating screen mounting bracket (11) arranged in the frame (37), a vibrating screen side plate (57) is arranged on the side surface of the vibrating screen mounting bracket (11), a vibrating screen cross beam (58) and a vibrating screen vertical beam (59) are arranged at the bottom of the vibrating screen side plate (57), and a vibrating screen bottom (31) is paved and mounted on the vibrating screen cross beam (58) and the vibrating screen vertical beam (59); the front end of the vibrating screen bottom (31) is provided with a vibrating screen shovel head (29);

the vibrating screen pulling arm mechanism comprises eccentric wheel-shaped parts arranged at two ends of a front screen shaft (9A) and a rear screen shaft (9B), and eccentric wheel sleeves (56) are arranged at the ends of the front screen shaft (9A) and the rear screen shaft (9B); the eccentric wheel sleeve (56) is externally provided with a bearing (53), the bearing (53) is externally sleeved with a bearing sleeve (54), the upper part of the bearing sleeve (54) is fixedly connected with a vibrating screen pull arm I (10-1), one end of the vibrating screen pull arm I (10-1), which is far away from the bearing sleeve (54), is rotationally connected with a pin shaft I (15-1) fixed on a frame, the other side of the pin shaft I is provided with an adjusting pull arm (14), and one end of the adjusting pull arm, which is far away from the pin shaft I (15-1), is connected with a pin shaft II (15-2) arranged on the frame; the lower part of the bearing sleeve (54) is fixedly connected with a vibrating screen pulling arm II (10-2), and one end, far away from the bearing sleeve (54), of the vibrating screen pulling arm II (10-2) is rotationally connected with a pin shaft III (15-3) arranged on a vibrating screen side plate (57).

2. An underground high frequency vibratory screen according to claim 1, further comprising a roller assembly disposed inside the frame (37);

the rolling wheel assembly comprises a rolling wheel (25) and a first reversing gear (16) arranged on one side of the large sheave (4), a second reversing gear (17) is arranged on one side of the gear box (1), and the first reversing gear (16) is in meshed connection with the second reversing gear (17); the inside of frame (37) is still rotated and is connected with reversing gear axle (18), reversing gear axle (18) keep away from the one end of No. two reversing gears (17) and be connected with the antifriction bearing who sets up on frame (37), just still fixedly connected with No. one belt pulley (19) on reversing gear axle (18), the inboard rotation of shale shaker curb plate (57) is connected with No. two belt pulleys (21), pass through belt (20) transmission connection between No. one belt pulley (19) and No. two belt pulleys (21), one side coaxial fixedly connected with roller chain wheel one (23-1) of No. two belt pulleys (21), roller chain wheel (25) tip is provided with roller chain wheel two (23-2), roller chain wheel one (23-1) and roller chain wheel two (23-2) between be provided with roller chain.

3. The underground high-frequency vibrating screen according to claim 2, wherein the roller assembly further comprises a pull rod support (28) arranged in the frame (37), a roller support rod (22) is arranged between the first roller chain wheel (23-1) and the second roller chain wheel (23-2), a pull rod perforation is formed in the middle of the pull rod support (28), a pull rod (26) is slidably connected in the rod perforation, and the lower end of the pull rod (26) is in abutting connection with the roller support rod (22).

4. A sieve according to claim 3, characterized in that the part of the tie rod (26) between the tie rod support (28) and the wheel support bar (22) is provided with a spring (27).

5. The underground high-frequency vibrating screen according to claim 1, further comprising a side cutter assembly, wherein the side cutter assembly comprises a side cutter assembly (33), a toothed blade (34) is arranged on the front side of the side cutter assembly (33), a fourth pin (15-4) is arranged on the side cutter assembly (33), a side cutter pull rod (36) is rotatably connected to the fourth pin (15-4), one end, away from the fourth pin (15-4), of the side cutter pull rod (36) is rotatably connected with a fifth pin (15-5) arranged on a frame, and a side cutter pin (35) is further arranged on the upper portion of the side cutter assembly and is movably connected with a vibrating screen side plate (57) through the side cutter pin (35).

6. The underground high-frequency vibrating screen according to claim 1, further comprising a limiting wheel assembly, wherein the limiting wheel assembly comprises limiting wheel fixing sleeves (47) fixedly arranged on two sides of the tail of the frame (37), limiting wheel inner lifting tubes (48) are arranged inside the limiting wheel fixing sleeves (47), limiting wheel mounting support bases (49) are fixedly connected to the bottoms of the limiting wheel inner lifting tubes, limiting wheel mounting holes are formed in the limiting wheel support bases (49), support pin shafts (50) are arranged in the limiting wheel mounting holes, limiting wheel mounting supports (46) are rotatably arranged at the bottoms of the support pin shafts (50), limiting wheel shafts (45) are arranged on the limiting wheel mounting supports (46), and limiting wheels (44) are arranged on the limiting wheel shafts (45).

7. The underground high-frequency vibrating screen according to claim 6, wherein a limiting wheel lifting hydraulic cylinder (51) is further arranged on one side of the limiting wheel fixing sleeve (47), and the bottom of the limiting wheel lifting hydraulic cylinder (51) is movably connected with a limiting wheel mounting bracket seat (49) through a pin shaft (15).

8. The underground high-frequency vibrating screen according to claim 7, wherein a hydraulic cylinder seat (52) is arranged at the top of the limiting wheel lifting hydraulic cylinder (51), and the hydraulic cylinder seat (52) is fixedly arranged on the frame (37).

9. An underground high-frequency vibrating screen according to claim 1, characterized in that a screen bar (61) is arranged at the tail of the vibrating screen bottom (31), a storage bin (60) is arranged below the screen bar (61), a storage bin screen bottom (62) is arranged at the lower part of the storage bin (60), and the storage bin screen bottom (62) is hinged with the storage bin; a storage bin switch oil cylinder (64) is arranged on the vibrating screen side plate (57); one end of the storage bin switch oil cylinder (64) far away from the vibrating screen side plate (57) is connected with the storage bin screen bottom (62).

10. An underground high-frequency vibration screen according to claim 1, further comprising a suspension assembly including a suspension frame hydraulic cylinder (43) provided at one side of the upper and lower traction diagonal braces (38), one end of the suspension frame hydraulic cylinder (43) being hinged with the lower traction (39), the other end of the suspension frame hydraulic cylinder (43) being hinged with the hydraulic cylinder seat (52); the frame (37) is provided with a suspension diagonal draw bar (42) for preventing the left-right swing of the suspension frame assembly.