CN215345974U - Towed crop straw reducing mechanism - Google Patents
Towed crop straw reducing mechanism Download PDFInfo
- Publication number
- CN215345974U CN215345974U CN202121358875.0U CN202121358875U CN215345974U CN 215345974 U CN215345974 U CN 215345974U CN 202121358875 U CN202121358875 U CN 202121358875U CN 215345974 U CN215345974 U CN 215345974U
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- Prior art keywords
- conveying
- assembly
- belt
- support frame
- screening
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010902 straw Substances 0.000 title claims abstract description 27
- 238000012216 screening Methods 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 40
- 238000007790 scraping Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 33
- 230000001012 protector Effects 0.000 claims description 3
- 230000035939 shock Effects 0.000 claims description 2
- 239000006096 absorbing agent Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 14
- 239000000428 dust Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000209140 Triticum Species 0.000 description 2
- 235000021307 Triticum Nutrition 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 description 1
- 240000002791 Brassica napus Species 0.000 description 1
- 235000006008 Brassica napus var napus Nutrition 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000287828 Gallus gallus Species 0.000 description 1
- 241000219146 Gossypium Species 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 241000282849 Ruminantia Species 0.000 description 1
- 240000000111 Saccharum officinarum Species 0.000 description 1
- 235000007201 Saccharum officinarum Nutrition 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 241000282887 Suidae Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 235000013330 chicken meat Nutrition 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013325 dietary fiber Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 235000012015 potatoes Nutrition 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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- Crushing And Pulverization Processes (AREA)
Abstract
The utility model discloses a traction type crop straw smashing device, which comprises an upper end protection device, arc-shaped filter screens, a fan assembly, a first conveying assembly, a screening driving piece, a bottom support, a material conveying piece, a smashing assembly and a second conveying assembly, wherein the bottom support comprises a support frame, four wheels are arranged at four corners of the lower end of the support frame, a material supporting table is arranged at the upper end of the support frame, the upper end protection device is arranged on the upper surface of the support frame, the smashing assembly and the two arc-shaped filter screens are arranged in the upper end protection device, the smashing assembly is positioned above the right end of the material supporting table, a scraping plate can be driven to move through a conveying chain, raw materials can be scraped to one side of the smashing assembly through the scraping plate, the traction type crop straw smashing device is simple in structure, smashing can be carried out through double rollers, screening conveying can be carried out after smashing, providing convenience for people.
Description
Technical Field
The utility model relates to the technical field of crop feed processing, in particular to a traction type crop straw smashing device.
Background
The straw is a general term of stem leaf (ear) part of mature crops. Typically refers to the remainder of the wheat, rice, corn, potatoes, oilseed rape, cotton, sugar cane and other crops (typically roughages) after harvesting the seed. More than half of the products of crop photosynthesis exist in the straws, and the straws are rich in nitrogen, phosphorus, potassium, calcium, magnesium, organic matters and the like, are multipurpose renewable biological resources, and are also coarse feed. It features high coarse fibre content (30-40%), and lignin content. Although the lignocellulose cannot be utilized by pigs and chickens, the lignocellulose can be absorbed and utilized by livestock such as ruminants, cattle and sheep. With the development of agricultural economy, the quantity of crop straws is more and more, and the traditional treatment mode is in-situ burning, so that serious environmental pollution and resource waste can be caused, and especially the burning of the wheat straws can seriously pollute the environment; therefore, need smash the straw to be the fodder with straw processing, but current straw reducing mechanism structure is complicated, and crushing efficiency is poor, can not sieve the back raw materials of smashing moreover, can not satisfy people's demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a traction type crop straw smashing device which is simple in structure, can smash through double rollers, can carry out screening and conveying after smashing, provides convenience for people, and can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a traction type crop straw smashing device comprises an upper end protection device, arc-shaped filter screens, a fan component, a first conveying component, a screening driving component, a bottom support, a material conveying component, a smashing component and a second conveying component, wherein the bottom support comprises a support frame, four wheels are arranged at four corners of the lower end of the support frame, a material support table is arranged at the upper end of the support frame, the upper end protection device is arranged on the upper surface of the support frame, the smashing component and the two arc-shaped filter screens are arranged in the upper end protection device, the smashing component is positioned above the right end of the material support table, the material conveying component is arranged on the support frame, the screening component is arranged on the support frame and is positioned below the arc-shaped filter screens, the screening driving component for driving the screening component to vibrate is arranged on the support frame, and the fan component is arranged on the right side of the upper surface of the support frame, and a second conveying assembly is arranged at the right end of the lower surface of the supporting frame, and a first conveying assembly is arranged at the lower side of the right end of the supporting frame.
Further, the upper end protector includes the U type protecting frame who is connected with the support frame, and the right-hand member of U type protecting frame is connected with the right side and connects the shell, the right side is connected the shell and is equipped with the adjustable guard plate of L type with the junction upper end of U type protecting frame.
Further, the material conveying part comprises two material conveying rollers rotatably connected with a supporting frame, the two material conveying rollers are located at the left end and the right end of the material supporting table, two conveying chains are connected between the two material conveying rollers through toothed sprockets, scraping plates are evenly arranged between the conveying chains, a conveying motor is arranged on the supporting frame, and an output shaft of the conveying motor is in transmission connection with one end of each material conveying roller through a belt seven.
Further, crushing subassembly includes that two are connected the crushing roller that the shell is connected with the right side, is connected through eight transmissions of belt between the one end of crushing roller, is equipped with crushing motor on the support frame, and crushing motor's output shaft and the one end of a crushing roller are passed through nine transmissions of belt and are connected, and two arced filter screen are located the right side of crushing roller respectively.
Furthermore, the fan subassembly includes the fan of being connected with support frame, and the pivot one end of fan passes through belt drive connection with the one end of smashing the roller.
Further, screening subassembly is including screening net, screening net pass through the shock mount and support connected to the vehicle frame, and the right-hand member downside of screening net is equipped with the feed opening.
Further, the screening driving piece includes and supports the frame rotation and be connected the pivot of being connected, and the one end of connecting the pivot is equipped with the belt pulley dish, and the belt pulley dish passes through six belts and is connected with the transmission of fan pivot other end, and one side of belt pulley dish is passed through the crank connecting rod and is connected with the lower extreme of L type rotating turret, the centre of L type rotating turret is passed through the minor axis and is connected with supporting the frame, and the upper end of L type rotating turret is articulated with the one end downside of screening net.
Furthermore, the first conveying assembly comprises a first conveying part arranged at one end of the supporting frame, a first belt guide wheel is arranged on one side of the supporting frame, the first belt guide wheel is in transmission connection with a driving shaft of the first conveying part through a second belt, and the first belt guide wheel is in transmission connection with a connecting rotating shaft through a third belt.
Furthermore, the second conveying assembly comprises a second conveying part arranged on the lower surface of the supporting frame, a second belt guide wheel is arranged on one side of the supporting frame and is in four-belt transmission connection with a driving shaft of the second conveying part, and the second belt guide wheel is in five-belt transmission connection with a connecting rotating shaft.
Compared with the prior art, the utility model has the beneficial effects that: this towed crop straw reducing mechanism, it rotates to drive crushing roller through nine transmissions of belt when smashing the motor and rotating, can smash the raw materials through crushing roller, can protect the raw materials through the ARC filter screen, thereby prevent that non-kibbling raw materials from deriving, can drive through the material conveying roller and carry the chain rotation, can drive through carrying the chain and scrape the flitch and remove, can scrape the raw materials one side of sending crushing unit through scraping the flitch, this towed crop straw reducing mechanism, moreover, the steam generator is simple in structure, not only can smash through two rollers, and can sieve the transport after smashing, provide convenience for people.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the backside structure of the present invention;
FIG. 3 is a schematic illustration of a screen assembly according to the present invention;
FIG. 4 is a schematic view of the pulverizing roller of the present invention.
In the figure: 1 upper end protection device, 11U-shaped protection frame, 12L-shaped adjustable protection plate, 13 right side connecting shell, 2 arc-shaped filter screen, 3 fan component, 31 fan, 32 belt I, 4 conveying component I, 41 conveying component I, 42 belt II, 43 belt guide wheel I, 44 belt III, 5 screening component, 51 screening network, 52 feed opening, 6 screening driving component, 61L-shaped rotating frame, 62 crank connecting rod, 63 connecting rotating shaft, 64 belt six, 7 bottom bracket, 71 wheel, 72 supporting frame, 73 material supporting table, 8 material conveying component, 81 material conveying roller, 82 scraping plate, 83 conveying chain, 84 conveying motor, 85 belt seven, 9 crushing component, 91 belt eight, 92 crushing roller, 93 belt nine, 94 crushing motor, 10 guide wheel conveying component II, 101 belt II, 102 belt four, 103 belt II, 104 belt five.
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.
Referring to fig. 1-4, the present invention provides a technical solution: a traction type crop straw smashing device comprises an upper end protection device 1, an arc-shaped filter screen 2, a fan assembly 3, a first conveying assembly 4, a screening assembly 5, a screening driving piece 6, a bottom support 7, a material conveying piece 8, a smashing assembly 9 and a second conveying assembly 10, wherein the bottom support 7 comprises a support frame 72, four wheels 71 are arranged at four corners of the lower end of the support frame 72, a material supporting platform 73 is arranged at the upper end of the support frame 72, the upper end protection device 1 is arranged on the upper surface of the support frame 72, the smashing assembly 9 and the two arc-shaped filter screens 2 are arranged in the upper end protection device 1, the smashing assembly 9 is positioned above the right end of the material supporting platform 73, the material conveying piece 8 is arranged on the support frame 72, the screening assembly 5 is positioned below the arc-shaped filter screens 2, and the screening driving piece 6 for driving the screening assembly 5 to vibrate is arranged on the support frame 72, the right side of the upper surface of the supporting frame 72 is provided with the fan assembly 3, the right end of the lower surface of the supporting frame 72 is provided with the second conveying assembly 10, and the lower side of the right end of the supporting frame 72 is provided with the first conveying assembly 4.
Further, upper end protector 1 includes the U type protecting frame 11 of being connected with support vehicle frame 72, and the right-hand member of U type protecting frame 11 is connected with right side connection shell 13, and right side connection shell 13 is equipped with the adjustable guard plate 12 of L type with the junction upper end of U type protecting frame 11, can protect the raw materials of material supporting platform 73 upper surface through U type protecting frame 11, can protect crushing unit 9 upper end through the adjustable guard plate 12 of L type.
Further, the material conveying part 8 comprises two material conveying rollers 81 rotatably connected with the supporting frame 72, the two material conveying rollers 81 are located at the left end and the right end of the material supporting table 73, two conveying chains 83 are connected between the two material conveying rollers 81 through toothed sprockets, scraping plates 82 are uniformly arranged between the conveying chains 83, a conveying motor 84 is arranged on the supporting frame 72, an output shaft of the conveying motor 84 is in transmission connection with one end of the material conveying rollers 81 through a belt seven 85, the conveying motor 84 drives the material conveying rollers 81 to rotate through the transmission of the belt seven 85 when rotating, the conveying chains 83 can be driven to rotate through the material conveying rollers 81, the scraping plates 82 can be driven to move through the conveying chains 83, and raw materials can be scraped to one side of the crushing assembly 9 through the scraping plates 82.
Further, crushing unit 9 includes two crushing rollers 92 of being connected shell 13 with the right side, crushing roller 92 is prior art, and crushing roller 92 includes the cylinder frame, the outside of cylinder frame evenly is equipped with the crushing cutter of multiunit toper, connect through eight 91 transmissions of belt between the one end of crushing roller 92, be equipped with crushing motor 94 on the carriage 72, the output shaft of crushing motor 94 and the one end of a crushing roller 92 pass through nine 93 transmissions of belt and are connected, two arc filter screen 2 are located the right side of crushing roller 92 respectively, it rotates to drive crushing roller 92 through nine 93 transmissions of belt when crushing motor 94 rotates, can smash the raw materials through crushing roller 92, can protect the raw materials through arc filter screen 2, with this prevents that non-kibbling raw materials from deriving.
Further, the fan assembly 3 comprises a fan 31 connected with the support frame 72, one end of a rotating shaft of the fan 31 is in transmission connection with one end of the crushing roller 92 through a first belt 32, the fan 31 can be driven to rotate through the transmission of the first belt 32 when the crushing roller 92 rotates, dust can be blown out through the fan 31, and the dust is collected by an external dust collecting device.
Further, screening subassembly 5 is including screening net 51, and screening net 51 passes through the cushion socket and is connected with support frame 72, and the right-hand member downside of screening net 51 is equipped with feed opening 52, can smash the back raw materials through screening net 51 and sieve, and can derive the waste material of screening out through feed opening 52.
Further, screening driving piece 6 includes and rotates the pivot 63 of being connected with support frame 72, the one end of connecting pivot 63 is equipped with the pulley disc, the pulley disc passes through six 64 and is connected with fan 31 pivot other end transmission of belt, the one side of pulley disc is passed through crank connecting rod 62 and is connected with the lower extreme of L type rotating turret 61, the centre of L type rotating turret 61 is connected with support frame 72 through the minor axis, the upper end of L type rotating turret 61 is articulated with the one end downside of screening net 51, all be equipped with the multislot belt pulley on connecting pivot 63 and the crushing roller 92, it rotates to drive through fan 31 rotation and connect pivot 63, drive screening net 51 one end vibration through crank connecting rod 62 and L type rotating turret 61 transmission when connecting pivot 63 rotates, screen the raw materials after smashing through screening net 51.
Further, the conveying assembly 4 comprises a conveying part I41 arranged at one end of a supporting frame 72, a belt guide wheel I43 is arranged on one side of the supporting frame 72, the belt guide wheel I43 is in transmission connection with a driving shaft of the conveying part I41 through a belt II 42, the belt guide wheel I43 is in transmission connection with a connecting rotating shaft 63 through a belt III 44, the conveying assembly I4 is driven to operate through transmission of the belt III 44, the belt guide wheel I43 and the belt II 42 when the connecting rotating shaft 63 rotates, and the screened raw materials can be conveyed through the operation of the conveying assembly I4, so that feeding is carried out.
Further, the second conveying assembly 10 comprises a second conveying part 103 arranged on the lower surface of the supporting frame 72, a second belt guide wheel 101 is arranged on one side of the supporting frame 72, the second belt guide wheel 101 and the first belt guide wheel 43 are both multi-groove belt pulleys, the second belt guide wheel 101 is in transmission connection with a driving shaft of the second conveying part 103 through a fourth belt 102, the second belt guide wheel 101 is in transmission connection with a connecting rotating shaft 63 through a fifth belt 104, the second conveying assembly 10 is driven to rotate through transmission of the fifth belt 104, the second belt guide wheel 101 and the fourth belt 102 when the connecting rotating shaft 63 rotates, and the screened impurities can be conveyed through the second conveying assembly 10.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (9)
1. The utility model provides a towed crops straw reducing mechanism, includes upper end protector (1), ARC filter (2), fan subassembly (3), transport assembly (4), screening subassembly (5), screening driving piece (6), bottom support (7), material transport piece (8), crushing unit (9) and transport assembly two (10), its characterized in that: the bottom support (7) comprises a support frame (72), four wheels (71) are arranged at four corners of the lower end of the support frame (72), a material support table (73) is arranged at the upper end of the support frame (72), an upper end protection device (1) is arranged on the upper surface of the support frame (72), a crushing assembly (9) and two arc-shaped filter screens (2) are arranged in the upper end protection device (1), the crushing assembly (9) is positioned above the right end of the material support table (73), a material conveying part (8) is arranged on the support frame (72), a screening assembly (5) is arranged on the support frame (72), the screening assembly (5) is positioned below the arc-shaped filter screens (2), a screening driving part (6) for driving the screening assembly (5) to vibrate is arranged on the support frame (72), and a fan assembly (3) is arranged on the right side of the upper surface of the support frame (72), and a second conveying assembly (10) is arranged at the right end of the lower surface of the supporting frame (72), and a first conveying assembly (4) is arranged on the lower side of the right end of the supporting frame (72).
2. The pull-type crop straw smashing device according to claim 1, wherein: the upper end protection device (1) comprises a U-shaped protection frame (11) connected with a supporting frame (72), the right end of the U-shaped protection frame (11) is connected with a right side connection shell (13), and an L-shaped adjustable protection plate (12) is arranged at the upper end of the connection position of the right side connection shell (13) and the U-shaped protection frame (11).
3. The pull-type crop straw smashing device according to claim 1, wherein: the material conveying part (8) comprises two material conveying rollers (81) rotatably connected with a supporting frame (72), the two material conveying rollers (81) are located at the left end and the right end of a material supporting table (73), two conveying chains (83) are connected between the two material conveying rollers (81) through toothed chain wheels, scraping plates (82) are evenly arranged between the conveying chains (83), a conveying motor (84) is arranged on the supporting frame (72), and an output shaft of the conveying motor (84) is in transmission connection with one end of each material conveying roller (81) through a belt seven (85).
4. The pull-type crop straw smashing device according to claim 2, wherein: crushing subassembly (9) include two crushing roller (92) of being connected shell (13) with the right side, are connected through eight (91) transmissions of belt between the one end of crushing roller (92), are equipped with crushing motor (94) on support frame (72), and the output shaft of crushing motor (94) passes through nine (93) transmissions of belt with the one end of one crushing roller (92) to be connected, and two arc filter screen (2) are located the right side of crushing roller (92) respectively.
5. The pull-type crop straw smashing device according to claim 1, wherein: the fan assembly (3) comprises a fan (31) connected with the support frame (72), and one end of a rotating shaft of the fan (31) is in transmission connection with one end of the crushing roller (92) through a first belt (32).
6. The pull-type crop straw smashing device according to claim 1, wherein: screening subassembly (5) are connected with support frame (72) through the shock absorber seat including screening net (51), and the right-hand member downside of screening net (51) is equipped with feed opening (52).
7. The pull-type crop straw smashing device according to claim 6, wherein: screening driving piece (6) include with support frame (72) rotate the connection pivot (63) of being connected, the one end of connecting pivot (63) is equipped with the pulley disc, and the pulley disc passes through six (64) of belt and is connected with fan (31) pivot other end transmission, and one side of pulley disc is passed through crank connecting rod (62) and is connected with the lower extreme of L type rotating turret (61), the centre of L type rotating turret (61) is passed through the minor axis and is connected with support frame (72), and the upper end of L type rotating turret (61) is articulated with the one end downside of screening net (51).
8. The pull-type crop straw smashing device according to claim 7, wherein: the conveying assembly I (4) comprises a conveying piece I (41) arranged at one end of a supporting frame (72), a belt guide wheel I (43) is arranged on one side of the supporting frame (72), the belt guide wheel I (43) is in transmission connection with a driving shaft of the conveying piece I (41) through a belt II (42), and the belt guide wheel I (43) is in transmission connection with a connecting rotating shaft (63) through a belt III (44).
9. The pull-type crop straw smashing device according to claim 7, wherein: the second conveying assembly (10) comprises a second conveying part (103) arranged on the lower surface of the supporting frame (72), a second belt guide wheel (101) is arranged on one side of the supporting frame (72), the second belt guide wheel (101) is in transmission connection with a driving shaft of the second conveying part (103) through a fourth belt (102), and the second belt guide wheel (101) is in transmission connection with a connecting rotating shaft (63) through a fifth belt (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121358875.0U CN215345974U (en) | 2021-06-18 | 2021-06-18 | Towed crop straw reducing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121358875.0U CN215345974U (en) | 2021-06-18 | 2021-06-18 | Towed crop straw reducing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215345974U true CN215345974U (en) | 2021-12-31 |
Family
ID=79636134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121358875.0U Expired - Fee Related CN215345974U (en) | 2021-06-18 | 2021-06-18 | Towed crop straw reducing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215345974U (en) |
-
2021
- 2021-06-18 CN CN202121358875.0U patent/CN215345974U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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Granted publication date: 20211231 |