CN115504268A - Crawler traveling wing wheel grain scraper - Google Patents
Crawler traveling wing wheel grain scraper Download PDFInfo
- Publication number
- CN115504268A CN115504268A CN202211271428.0A CN202211271428A CN115504268A CN 115504268 A CN115504268 A CN 115504268A CN 202211271428 A CN202211271428 A CN 202211271428A CN 115504268 A CN115504268 A CN 115504268A
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- chassis
- connecting rod
- inner cavity
- conveying belt
- motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/02—Loading or unloading machines comprising essentially a conveyor for moving the loads associated with a device for picking-up the loads
- B65G65/16—Loading or unloading machines comprising essentially a conveyor for moving the loads associated with a device for picking-up the loads with rotary pick-up conveyors
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- Mechanical Engineering (AREA)
- Threshing Machine Elements (AREA)
Abstract
The invention discloses a crawler belt walking wing wheel grain scraper, comprising: a chassis; the two first motors are respectively connected to the front ends of the left side and the right side of the inner cavity of the chassis through screws; the inner end of the first connecting rod is locked at the output end of the first motor through a coupler, and the outer end of the first connecting rod extends out of the outer wall of the chassis; the reduction gearbox is arranged on the inner side of the outer wall of the first connecting rod and is positioned in the inner cavity of the chassis; the middle part of the inner side of the driving wheel is arranged at the outer end of the first connecting rod. The invention can adjust the attaching degree of the raking head box and the ground according to the actual condition, further enhance the feeding effect, simultaneously adjust the feeding height according to the actual condition, and the device has compact structure and can turn in situ, thereby increasing the application range of the device and being convenient to use.
Description
Technical Field
The invention relates to the technical field of agricultural equipment, in particular to a crawler traveling wing wheel grain scraper.
Background
The wing wheel grain scraper is special loading and unloading equipment for the operations of distributing, transferring, packing, dumping, drying, cleaning and the like of grains in a room type granary;
but traditional millet machine of taking off can't adjust and take off head and ground laminating degree, for example the patent number is: the invention patent of 201710055103.1 specifically discloses an intelligent grain raking machine which comprises a raking head and a conveyor connected with the raking head, and is characterized in that the raking head and the conveyor are arranged on a rack, a traveling mechanism is arranged on the rack, the raking head comprises a raking head shell and a packing auger arranged in the raking head shell, and the packing auger is connected with a packing auger motor through a torque sensor. The intelligent grain raking machine provided by the invention judges the grain stockpiling amount at the raking head of the grain raking machine by detecting the torsion value received by the packing auger, so that the forward movement and the stop movement of the grain raking machine are automatically controlled, manual control operation is replaced, the labor intensity is reduced, the operation efficiency is improved, the efficiency of equipment is effectively exerted, the operation reliability is high, and the use safety of the equipment is high;
and then can't adjust the laminating degree of taking off head and ground according to actual conditions, it is relatively poor to go up the grain effect, also can't adjust the material loading height according to actual conditions simultaneously to traditional grain raking machine is generally bulky, in some spaces comparatively narrow and small storehouses, can't effectually work, can't change simultaneously and take off the millet direction, is not convenient for use.
Disclosure of Invention
The invention aims to solve the problems that the prior art has poor grain feeding effect, cannot change the feeding height according to the actual situation, and cannot effectively work in a warehouse with narrow space.
In order to achieve the purpose, the invention provides the following technical scheme:
a crawler belt walking wing wheel grain scraper comprises: a chassis; the number of the first motors is two, and the two first motors are respectively connected to the front ends of the left side and the right side of the inner cavity of the chassis through screws; the inner end of the first connecting rod is locked at the output end of the first motor through a coupler, and the outer end of the first connecting rod extends out of the outer wall of the chassis; the reduction gearbox is arranged on the inner side of the outer wall of the first connecting rod and is positioned in the inner cavity of the chassis; the middle part of the inner side of the driving wheel is arranged at the outer end of the first connecting rod; the inner sides of the outer walls of the plurality of rotary rods are respectively rotatably arranged on the left side and the right side of an inner cavity of the chassis at equal intervals along the front-back direction through bearings, and the outer ends of the rotary rods extend out of the outer wall of the chassis; the middle part of the inner side of the driven wheel is arranged at the outer end of the rotating rod; the crawler belt is sleeved on the outer walls of the driving wheel and the driven wheel and is meshed with the driving wheel and the driven wheel; the bottom ends of the two first hydraulic cylinders are rotatably arranged at the left end and the right end of the front side of the top end of the chassis through pin shafts respectively; the left end and the right end of the front side of the bottom end of the conveying belt are rotatably arranged at the top ends of the two first hydraulic cylinders respectively through pin shafts, and the left end and the right end of the rear side of the bottom end of the conveying belt are rotatably arranged at the left end and the right end of the rear side of the top end of the chassis respectively through pin shafts; the number of the slide rails is two, and the two slide rails are respectively arranged at the left end and the right end of the rear side of the top end of the conveying belt; the head raking mechanism is arranged on the rear side of the top end of the conveying belt.
Further, in order to facilitate the front and back sliding of the box, the head raking mechanism comprises: the number of the sliding blocks is two, and the two sliding blocks are respectively sleeved on the outer walls of the two sliding rails in a sliding manner; the push rod is arranged on the outer side of the bottom end of the sliding block; the second hydraulic cylinders are arranged on the left side and the right side of the conveying belt respectively, and the rear ends of the second hydraulic cylinders are arranged on the front sides of the two push rods respectively.
Further, in order to be able to take off grain to the conveyer belt, take off the head mechanism and still include: the left side and the right side of the bottom end of the head raking box are respectively arranged at the top ends of the two sliding blocks; the mounting racks are two in number and are respectively arranged on the left side and the right side of the top end of the head pushing box; the second motor is connected with the inner cavity of the mounting frame through a screw; the top end of the second connecting rod is locked at the output end of the second motor through a coupler, the bottom end of the second connecting rod extends into the inner cavity of the headstock, and the bottom end of the second connecting rod is rotatably arranged at the bottom end of the inner cavity of the headstock through a bearing; and the wing wheels are sleeved on the outer wall of the second connecting rod and locked, and the two wing wheels are not contacted.
Further, in order to remotely control the device, the right side of the conveying belt is also provided with: the PLC controller is arranged at the front end of the right side of the conveying belt, and the PLC controller is electrically connected with the first motor, the first hydraulic cylinder, the second hydraulic cylinder and the second motor; the storage box is arranged at the front part of the right side of the conveying belt; the remote controller is detachably stored in the inner cavity of the storage box, and the remote controller is in wireless connection with the PLC.
Further, in order to facilitate multidirectional discharging, the bottom end of the conveying belt is further provided with: the elephant trunk, the elephant trunk passes through the rotatable cup joint in the bottom front side of conveyer belt of bearing, the inner chamber of elephant trunk and the inner chamber of conveyer belt are linked together.
Furthermore, the slide rail is "T" font, and slider looks adaptation cup joints in the outer wall of slide rail.
Further, the bottom side of the crawler is located below the bottom side of the chassis.
Compared with the prior art, the invention has the beneficial effects that:
(1) The first motor drives the driving wheel to rotate through the connecting rod, the driving wheel drives the driven wheel to rotate through the crawler belt, the crawler belt can be further used for driving the device to move, and the reduction gearbox can be used for effectively controlling the rotating speed of the first motor;
(2) According to the invention, the first hydraulic cylinder is used for pushing the front side of the conveying belt to move upwards or downwards, so that the feeding height can be adjusted according to the actual condition;
(3) According to the invention, the push rod can be pushed by the hydraulic cylinder to drive the raking head box to move back and forth through the slide block, so that the fitting degree of the raking head box and the ground can be adjusted, the raking effect can be enhanced, the wing wheel is driven to rotate through the second connecting rod by the second motor, and the grain can be pushed to move to the conveying belt by the rotation of the wing wheel;
(4) The device can be remotely controlled to work by utilizing the cooperation between the PLC and the remote controller;
(5) When the device is used, the fitting degree of the headstock and the ground can be adjusted according to actual conditions, so that the feeding effect can be enhanced, the feeding height can be adjusted according to the actual conditions, the device is compact in structure and can be turned on site, the application range of the device can be enlarged, and the device is convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is an enlarged view of the invention at A;
FIG. 4 is an enlarged view of the invention at B;
fig. 5 is an enlarged view of the present invention at C.
The list of components represented by the various reference numbers in the figures is as follows: 1. chassis, 2, first motor, 3, head rod, 4, reducing gear box, 5, drive wheel, 6, track, 7, rotary rod, 8, follow driving wheel, 9, take off head mechanism, 91, slider, 92, push rod, 93, second pneumatic cylinder, 94, take off head case, 95, mounting bracket, 96, second motor, 97, second connecting rod, 98, wing wheel, 10, first pneumatic cylinder, 11, conveyer belt, 12, slide rail, 13, elephant trunk, 14, PLC controller, 15, deposit the case, 16, remote controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, a crawler traveling wing wheel grain scraper comprises: the device comprises a chassis 1, a first motor 2, a first connecting rod 3, a reduction gearbox 4, a driving wheel 5, a crawler belt 6, a rotary rod 7, a driven wheel 8, a head-raking mechanism 9, a first hydraulic cylinder 10, a conveying belt 11, a sliding rail 12, a chute 13, a PLC (programmable logic controller) 14, a storage box 15 and a remote controller 16, wherein the number of the first motors 2 is two, the two first motors 2 are respectively connected with the front ends of the left side and the right side of an inner cavity of the chassis 1 through screws, the first motors 2 are in the prior art, the first motors 2 are servo motors, the first motors 2 are connected with the servo controllers, which is not described in detail herein, the first motors 2 are used for driving the driving wheel 5 to rotate, the inner ends of the first connecting rods 3 are locked at the output ends of the first motors 2 through couplers, the outer ends of the first connecting rods 3 extend out of the outer wall of the chassis 1, the reduction gearbox 4 is arranged on the inner side of the outer wall of the first connecting rods 3, the reduction gearbox 4 is arranged in the inner cavity of the chassis 1, the reduction box 4 is prior art, which is not described herein, the middle of the inner side of the driving wheel 5 is disposed at the outer end of the first connecting rod 3, the driving wheel 5 is used for driving the track 6 to rotate, the number of the rotating rods 7 is several, the inner sides of the outer walls of the rotating rods 7 are respectively disposed at the left and right sides of the inner cavity of the chassis 1 at equal intervals along the front-back direction through bearings, the outer ends of the rotating rods 7 extend out of the outer wall of the chassis 1, the middle of the inner side of the driven wheel 8 is disposed at the outer end of the rotating rods 7, the track 6 is sleeved on the outer walls of the driving wheel 5 and the driven wheel 8, the track 6 is meshed with the driving wheel 5 and the driven wheel 8, the device can be driven to move by the track 6, the bottom side of the track 6 is disposed below the bottom side of the chassis 1, when the device is prevented from moving, the chassis 1 is in contact with the ground to generate friction, the number of the first hydraulic cylinders 10 is two, the bottom ends of the two first hydraulic cylinders 10 are respectively and rotatably arranged at the left end and the right end of the front side of the top end of the chassis 1 through pin shafts, the first hydraulic cylinders 10 are the prior art, not described in detail herein, the first hydraulic cylinders 10 are used for pushing the front side of the conveyer belt 11 to move up and down, the left and right ends of the front side of the bottom end of the conveyer belt 11 are rotatably disposed at the top ends of the two first hydraulic cylinders 10 through pin shafts, the left and right ends of the rear side of the bottom end of the conveyer belt 11 are rotatably disposed at the left and right ends of the rear side of the top end of the chassis 1 through pin shafts, respectively, the conveyer belt 11 is a conventional one, not described in detail, the conveyor belt 11 is used for conveying grains, the number of the slide rails 12 is two, the two slide rails 12 are respectively disposed at the left and right ends of the rear end of the top end of the conveyor belt 11, the head-pulling mechanism 9 is disposed at the rear end of the top end of the conveyor belt 11, the head-pulling mechanism 9 is used for pushing grains onto the conveyor belt 11, the PLC controller 14 is disposed at the front end of the right side of the conveyor belt 11, the PLC controller 14 is electrically connected to the first motor 2, the first hydraulic cylinder 10, the second hydraulic cylinder 93 and the second motor 96, the PLC controller 14 is a conventional technology, not to be described in detail herein, the PLC controller 14 is configured to control the first motor 2, the first hydraulic cylinder 10, the second hydraulic cylinder 93 and the second motor 96, the storage box 15 is disposed at the front portion of the right side of the conveyor belt 11, the storage box 15 is configured to store the remote controller 16, the remote controller 16 is detachably stored in the inner cavity of the storage box 15, the remote control 16 is wirelessly connected to the PLC controller 14, the remote control 16 is prior art, and not described in detail, the remote controller 16 is used for controlling the PLC 14, the chute 13 is rotatably sleeved on the front side of the bottom end of the conveyer belt 11 through a bearing, and the inner cavity of the chute 13 is communicated with the inner cavity of the conveyer belt 11.
Specifically, the raking head mechanism 9 includes: the number of the sliding blocks 91 is two, the two sliding blocks 91 are respectively sleeved on the outer walls of the two sliding rails 12 in a sliding manner, the head pulling box 94 can be driven to move back and forth by the cooperation between the sliding blocks 91 and the sliding rails 12, the sliding rails 12 are in a T shape, the sliding blocks 91 are sleeved on the outer walls of the sliding rails 12 in a matching manner, the sliding blocks 91 can be prevented from being separated from the outer walls of the sliding rails 12, the push rods 92 are arranged on the outer sides of the bottom ends of the sliding blocks 91, the number of the second hydraulic cylinders 93 is two, the two second hydraulic cylinders 93 are respectively arranged on the left side and the right side of the conveying belt 11, the rear ends of the two second hydraulic cylinders 93 are respectively arranged on the front sides of the two push rods 92, the second hydraulic cylinders 93 are the prior art and are not described in more detail herein, the second hydraulic cylinders 93 are used for pushing the push rods 92 to drive the sliding blocks 91 to move back and forth, the left side and the right side of the bottom end of the headstock 94 are respectively arranged at the top ends of the two sliding blocks 91, the number of the mounting frames 95 is two, the two mounting frames 95 are respectively arranged at the left side and the right side of the top end of the headstock 94, the mounting frames 95 are used for fixing the second motor 96, the second motor 96 is connected with the inner cavity of the mounting frames 95 through screws, the second motor 96 is a servo motor, the second motor 96 is connected with a servo controller, redundant description is omitted here, the second motor 96 is used for driving the wing wheels 98 to rotate, the top end of the second connecting rod 97 is locked at the output end of the second motor 96 through a coupler, the bottom end of the second connecting rod 97 extends into the inner cavity of the headstock 94, the bottom end of the second connecting rod 97 is rotatably arranged at the bottom end of the inner cavity of the headstock 94 through a bearing, the wing wheels 98 are sleeved on the outer wall of the second connecting rod 97 and locked, the two wing wheels 98 are not in contact, grain can be pushed onto the conveyor belt 11 by the rotation of the wing wheels 98.
In the invention, when in use, the first motor 2, the first hydraulic cylinder 10, the second hydraulic cylinder 93 and the second motor 96 can be controlled by the remote controller 16 through the PLC 14, the two first motors 2 are simultaneously started, the output end of the first motor 2 drives the driving wheel 5 to rotate through the first connecting rod 3, the driving wheel 5 rotates to drive the crawler 6 to rotate, and then the crawler 6 can drive the device to move back and forth, if the device needs to be driven to turn, the output ends of the two first motors 2 are started to rotate in opposite directions, so that the two crawler 6 rotate in opposite directions, and the device can be driven to turn in situ due to the rotation of the two crawler 6 in opposite directions, so that the feeding or moving direction of the device can be changed, the hydraulic cylinder 93 is started, the hydraulic cylinder 93 is used for pushing the front side of the conveyer belt 11 to move up and down, thereby the conveyer belt 11 is driven to rotate by taking the position where the conveyer belt is connected with the pin shaft of the chassis 1 as the center of a circle until the front side of the conveyer belt 11 moves to a proper height, the feeding height can be adjusted according to the actual situation, the second hydraulic cylinder 97 is started according to the actual situation to drive the push rod 92 to drive the head-pulling box 94 to move back and forth through the slide block 91 until the rear side of the bottom end of the head-pulling box 94 is attached to the ground to a proper degree, the second motor 96 is started to drive the output ends of the two second motors 96 to rotate in opposite directions, the output ends of the second motors 96 are further used for driving the two wing wheels 98 to rotate in opposite directions through the second connecting rod 97, the two wing wheels 98 rotate in opposite directions to push grains onto the conveyer belt 11, the first motor 2 is started to drive the device to move, the effect of 'grain pushing' of the bulldozer is realized, and the feeding effect is enhanced, when the device is used, the fitting degree of the head pulling box 94 and the ground can be adjusted according to actual conditions, the feeding effect can be enhanced, the feeding height can be adjusted according to actual conditions, the device is compact in structure and can turn in place, the application range of the device can be enlarged, and the device is convenient to use.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a crawler belt walking wing wheel grain scraper which characterized in that includes:
a chassis (1);
the number of the first motors (2) is two, and the two first motors (2) are respectively connected to the front ends of the left side and the right side of the inner cavity of the chassis (1) through screws;
the inner end of the first connecting rod (3) is locked at the output end of the first motor (2) through a coupler, and the outer end of the first connecting rod (3) extends out of the outer wall of the chassis (1);
the reduction gearbox (4) is arranged on the inner side of the outer wall of the first connecting rod (3), and the reduction gearbox (4) is positioned in an inner cavity of the chassis (1);
the middle part of the inner side of the driving wheel (5) is arranged at the outer end of the first connecting rod (3);
the number of the rotating rods (7) is a plurality, the inner sides of the outer walls of the rotating rods (7) are rotatably arranged on the left side and the right side of the inner cavity of the chassis (1) at equal intervals in the front-back direction through bearings respectively, and the outer ends of the rotating rods (7) extend out of the outer wall of the chassis (1);
the middle part of the inner side of the driven wheel (8) is arranged at the outer end of the rotating rod (7);
the crawler belt (6) is sleeved on the outer walls of the driving wheel (5) and the driven wheel (8), and the crawler belt (6) is meshed with the driving wheel (5) and the driven wheel (8);
the hydraulic device comprises two first hydraulic cylinders (10), wherein the bottom ends of the two first hydraulic cylinders (10) are rotatably arranged at the left end and the right end of the front side of the top end of the chassis (1) through pin shafts respectively;
the left end and the right end of the front side of the bottom end of the conveying belt (11) are rotatably arranged at the top ends of the two first hydraulic cylinders (10) through pin shafts respectively, and the left end and the right end of the rear side of the bottom end of the conveying belt (11) are rotatably arranged at the left end and the right end of the rear side of the top end of the chassis (1) through pin shafts respectively;
the number of the slide rails (12) is two, and the two slide rails (12) are respectively arranged at the left end and the right end of the rear side of the top end of the conveying belt (11);
the head raking mechanism (9) is arranged on the rear side of the top end of the conveying belt (11).
2. The crawler-type winged wheel grain scraper as claimed in claim 1, wherein: the pickoff head mechanism (9) comprises:
the number of the sliding blocks (91) is two, and the two sliding blocks (91) are respectively sleeved on the outer walls of the two sliding rails (12) in a sliding manner;
the push rod (92), the said push rod (92) is set up in the bottom outside of the slide block (91);
the number of the second hydraulic cylinders (93) is two, the two second hydraulic cylinders (93) are respectively arranged on the left side and the right side of the conveying belt (11), and the rear ends of the two second hydraulic cylinders (93) are respectively arranged on the front sides of the two push rods (92).
3. The crawler belt walking type wing wheel grain scraper as claimed in claim 2, wherein: the pickoff head mechanism (9) further comprises:
the left side and the right side of the bottom end of the head pulling box (94) are respectively arranged at the top ends of the two sliding blocks (91);
the number of the mounting racks (95) is two, and the two mounting racks (95) are respectively arranged on the left side and the right side of the top end of the head pushing box (94);
the second motor (96), the screw of said second motor (96) is connected to the cavity of the mounting bracket (95);
the top end of the second connecting rod (97) is locked at the output end of the second motor (96) through a coupler, the bottom end of the second connecting rod (97) extends into the inner cavity of the headstock (94), and the bottom end of the second connecting rod (97) is rotatably arranged at the bottom end of the inner cavity of the headstock (94) through a bearing;
the wing wheels (98) are sleeved on the outer wall of the second connecting rod (97) and locked, and the two wing wheels (98) are not in contact with each other.
4. The crawler belt walking type wing wheel grain scraper as claimed in claim 3, wherein: the right side of conveyer belt (11) still is provided with:
the PLC controller (14) is arranged at the front end of the right side of the conveying belt (11), and the PLC controller (14) is electrically connected with the first motor (2), the first hydraulic cylinder (10), the second hydraulic cylinder (93) and the second motor (96);
the storage box (15), the storage box (15) is arranged at the front part of the right side of the conveying belt (11);
the remote controller (16), the remote controller (16) is detachably deposited in the inner cavity of the storage box (15), and the remote controller (16) is in wireless connection with the PLC (14).
5. The crawler-type winged wheel grain scraper as claimed in claim 4, wherein: the bottom end of the conveyor belt (11) is further provided with:
the conveying belt device comprises a chute (13), wherein the chute (13) is rotatably sleeved on the front side of the bottom end of the conveying belt (11) through a bearing, and the inner cavity of the chute (13) is communicated with the inner cavity of the conveying belt (11).
6. The crawler-type winged wheel grain scraper as claimed in claim 5, wherein: the slide rail (12) is T-shaped, and the slide block (91) is matched and sleeved on the outer wall of the slide rail (12).
7. The crawler belt walking type wing wheel grain scraper as claimed in claim 6, wherein: the bottom side of the crawler belt (6) is positioned below the bottom side of the chassis (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211271428.0A CN115504268A (en) | 2022-10-18 | 2022-10-18 | Crawler traveling wing wheel grain scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211271428.0A CN115504268A (en) | 2022-10-18 | 2022-10-18 | Crawler traveling wing wheel grain scraper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115504268A true CN115504268A (en) | 2022-12-23 |
Family
ID=84510971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211271428.0A Pending CN115504268A (en) | 2022-10-18 | 2022-10-18 | Crawler traveling wing wheel grain scraper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115504268A (en) |
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2022
- 2022-10-18 CN CN202211271428.0A patent/CN115504268A/en active Pending
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