CN214167172U - Raw materials hoisting device is used in vegetable oil production - Google Patents
Raw materials hoisting device is used in vegetable oil production Download PDFInfo
- Publication number
- CN214167172U CN214167172U CN202023264013.XU CN202023264013U CN214167172U CN 214167172 U CN214167172 U CN 214167172U CN 202023264013 U CN202023264013 U CN 202023264013U CN 214167172 U CN214167172 U CN 214167172U
- Authority
- CN
- China
- Prior art keywords
- lifting device
- vegetable oil
- telescopic rod
- oil production
- connecting rod
- Prior art date
- 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
- 235000015112 vegetable and seed oil Nutrition 0.000 title claims abstract description 24
- 239000008158 vegetable oil Substances 0.000 title claims abstract description 24
- 239000002994 raw material Substances 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 230000007306 turnover Effects 0.000 claims description 7
- 230000003019 stabilising effect Effects 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
- 235000019198 oils Nutrition 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- CUXYLFPMQMFGPL-UHFFFAOYSA-N (9Z,11E,13E)-9,11,13-Octadecatrienoic acid Natural products CCCCC=CC=CC=CCCCCCCCC(O)=O CUXYLFPMQMFGPL-UHFFFAOYSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- DPUOLQHDNGRHBS-UHFFFAOYSA-N Brassidinsaeure Natural products CCCCCCCCC=CCCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-UHFFFAOYSA-N 0.000 description 1
- URXZXNYJPAJJOQ-UHFFFAOYSA-N Erucic acid Natural products CCCCCCC=CCCCCCCCCCCCC(O)=O URXZXNYJPAJJOQ-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- 235000019483 Peanut oil Nutrition 0.000 description 1
- 235000019484 Rapeseed oil Nutrition 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- CUXYLFPMQMFGPL-SUTYWZMXSA-N all-trans-octadeca-9,11,13-trienoic acid Chemical compound CCCC\C=C\C=C\C=C\CCCCCCCC(O)=O CUXYLFPMQMFGPL-SUTYWZMXSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- DPUOLQHDNGRHBS-KTKRTIGZSA-N erucic acid Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-KTKRTIGZSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 235000021388 linseed oil Nutrition 0.000 description 1
- 239000000944 linseed oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 235000021313 oleic acid Nutrition 0.000 description 1
- 239000000312 peanut oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- WBHHMMIMDMUBKC-XLNAKTSKSA-N ricinelaidic acid Chemical compound CCCCCC[C@@H](O)C\C=C\CCCCCCCC(O)=O WBHHMMIMDMUBKC-XLNAKTSKSA-N 0.000 description 1
- 229960003656 ricinoleic acid Drugs 0.000 description 1
- FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
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- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model relates to the technical field of vegetable oil, and discloses a raw material lifting device for vegetable oil production, which comprises a stabilizing device, wherein the bottom of the lifting device is fixedly provided with the stabilizing device, the stabilizing device comprises a supporting plate, telescopic rods are symmetrically arranged at two ends of the bottom of the supporting plate, a supporting column is fixedly arranged at the bottom of the supporting plate, a fixed base is fixedly arranged at the bottom of the supporting column, the bottom of the telescopic rod is fixedly arranged at two ends of the top of the fixed base, a spring device is sleeved at the outer side of the telescopic rod, the telescopic rod and a triangular hanging bracket form downward pressure with a balancing weight when being lifted, a pressure bearing plate receives downward pressure release from the pressure bearing plate, the telescopic rod and the spring device sink after receiving gravity, the two sides of the telescopic rod extend towards two sides through an extending plate connected with a movable connecting rod when the telescopic rod sinks downwards, and the contact area between the base and the ground is increased, therefore, the effect of improving the stability of the hoisting device by adaptively adjusting the attachment area of the base according to the weight of the hoisted heavy object is achieved.
Description
Technical Field
The utility model relates to a vegetable oil production technical field specifically is a raw materials hoisting device is used in vegetable oil production.
Background
The vegetable oil is a compound formed by combining unsaturated fatty acid and glycerin, is widely distributed in nature, is grease obtained from fruits, seeds and germs of plants, such as peanut oil, soybean oil, linseed oil, castor oil, rapeseed oil and the like, the main component of the vegetable oil is ester generated by straight chain high-grade fatty acid and glycerin, the fatty acid contains various unsaturated acids such as erucic acid, eleostearic acid, ricinoleic acid and the like besides palmitic acid, stearic acid and oleic acid, meanwhile, the vegetable oil can not be produced from various plant raw materials with good oil outlet effect and high oil outlet rate, various vegetable oil raw materials are stacked together in an oil expression production workshop, the vegetable oil raw materials are lifted by utilizing a lifting device and put into a device, the existing body lifting device generally adopts a forklift or a crane, the mechanical energy consumption is high, the noise is high, wherein the weight of the lifted object is often not well mastered by the crane, the hoisting device is overturned in the hoisting process, so that danger is generated.
An object of the utility model is to provide a raw materials hoisting device is used in vegetable oil production to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a raw materials hoisting device for vegetable oil production, includes hoisting accessory and stabilising arrangement, hoisting accessory's bottom fixed mounting has stabilising arrangement, stabilising arrangement includes the backup pad, backup pad bottom both ends symmetry is provided with the telescopic link, the bottom fixed mounting of backup pad has the pillar, the bottom fixed mounting of pillar has unable adjustment base, telescopic link bottom fixed mounting is at unable adjustment base's top both ends, the outside cover of telescopic link is equipped with spring assembly, spring assembly's top is provided with the limiting plate, there is movable connecting rod one side of telescopic link through third round pin axle swing joint, movable connecting rod's bottom swing joint is at extension plate seat both ends, extend the plate seat embedding in unable adjustment base's inside.
Preferably, the bilateral symmetry of hoisting accessory is provided with first support piece, the top fixed mounting of first support piece has the mounting, two the mounting between movable mounting have the roller bearing, the surface cover of roller bearing is equipped with the upset pole, the one end of upset pole is connected with first connecting rod, the one end that the upset pole was kept away from to first connecting rod is connected with the triangle gallows, drives the upset pole rotation through rotatory roller bearing.
Preferably, a second supporting piece is movably mounted on one side of the lifting device through a mounting piece, one end, far away from the lifting device, of the second supporting piece is movably connected with one end of the triangular hanging frame through a pin shaft, and the raised triangular hanging frame is supported by the second supporting piece.
Preferably, the top of the lifting device is provided with an arc-shaped groove, the arc-shaped groove in the top of the lifting device is larger than the movement radius of one end of the turnover rod, and sufficient movement space is reserved for the turnover plate to do circular movement.
Preferably, the first connecting rod is movably connected with one end of the triangular hanging frame through a first pin shaft, a steel cable is wound on the surface of the first pin shaft, one end, far away from the first pin shaft, of the steel cable is connected with a balancing weight through a rolling shaft, a hanging ring is arranged at the bottom of the triangular hanging frame, an iron chain is connected in the hanging ring, a hook is connected to the bottom of the iron chain, and the effect that a user can easily lift a heavy object is achieved through the matching of the weight of the balancing weight and the rolling shaft.
Preferably, the fixed base is internally provided with a sliding groove, the extension plate seat is slidably mounted in the sliding groove in the fixed base, and the extension plate seat extends towards two sides when the telescopic rod sinks.
Compared with the prior art, the utility model provides a raw materials hoisting device is used in vegetable oil production possesses following beneficial effect:
1. this raw materials hoisting device for vegetable oil production through the handle that downwards stimulates roller bearing one side and set up, drives the motion of upset pole, drives first link motion when the reverse bar is circular motion, and first link pulling triangle gallows is kicked up simultaneously, lifts by crane the raw materials that the couple hung to reached and utilized lever cooperation principle to replace mechanical lifting, noise reduction's when reducing energy resource consumption effect.
2. This raw materials hoisting device for vegetable oil production forms decurrent pressure with the balancing weight when lifting up through the triangle gallows, and the bearing plate receives pressure and releases pressure downwards this moment, and the telescopic link sinks after receiving gravity with spring assembly, and when the telescopic link is sunken downwards, the expansion plate that its both sides are connected through the swing link does to both sides and extends, increases the area of contact of base and ground to reached according to lifting by crane heavy object weight self-adaptation adjustment base attachment area and improved the effect of lifting by crane hoisting the stability of hoisting device.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is the utility model discloses a triangle gallows raises the schematic diagram.
In the figure: 1. a hoisting device; 101. a first support member; 102. a steel cord; 103. a roller; 104. a fixing member; 105. a turning rod; 106. a first link; 107. a first pin shaft; 108. a triangular hanging bracket; 109. hanging a ring; 110. an iron chain; 111. a second support member; 112. a balancing weight; 113. hooking; 2. a stabilizing device; 201. a support plate; 202. a third pin shaft; 203. a movable connecting rod; 204. an extension plate base; 205. a spring device; 206. a fixed base; 207. a limiting plate; 208. a telescopic rod; 209. and a support pillar.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, a raw material lifting device for vegetable oil production comprises a lifting device 1 and a stabilizing device 2, the bottom of the lifting device 1 is fixedly provided with the stabilizing device 2, the stabilizing device 2 comprises a supporting plate 201, two ends of the bottom of the supporting plate 201 are symmetrically provided with telescopic rods 208, the bottom of the supporting plate 201 is fixedly provided with a supporting column 209, the bottom of the supporting column 209 is fixedly provided with a fixed base 206, the bottom of the telescopic rod 208 is fixedly arranged at two ends of the top of the fixed base 206, the outer side of the telescopic rod 208 is sleeved with a spring device 205, the top of the spring device 205 is provided with a limiting plate 207, one side of the telescopic rod 208 is movably connected with a movable connecting rod 203 through a third pin shaft 202, the bottom of the movable connecting rod 203 is movably connected at two ends of an extending plate base 204, the extending plate base 204 is embedded in the fixed base 206, two sides of the lifting device 1 are symmetrically provided with first supporting pieces 101, the top fixed mounting of first support piece 101 has mounting 104, and movable mounting has roller bearing 103 between two mounting 104, and the surface cover of roller bearing 103 is equipped with upset pole 105, and the one end of upset pole 105 is connected with first connecting rod 106, and the one end that upset pole 105 was kept away from to first connecting rod 106 is connected with triangle gallows 108, drives upset pole 105 through rotatory roller bearing 103 and rotates.
One side of the lifting device 1 is movably provided with a second supporting piece 111 through an installation piece, one end of the second supporting piece 111 far away from the lifting device 1 is movably connected with one end of a triangular hanging bracket 108 through a pin shaft, the lifted triangular hanging bracket 108 is supported by the second supporting piece 111, the top of the lifting device 1 is provided with an arc-shaped groove, the arc-shaped groove at the top of the lifting device 1 is larger than the movement radius of one end of a turnover rod 105, a sufficient movement space is reserved for the turnover plate to do circular movement, one end of a first connecting rod 106 and the triangular hanging bracket 108 are movably connected through a first pin shaft 107, a steel cable 102 is wound on the surface of the first pin shaft 107, one end of the steel cable 102 far away from the first pin shaft 107 is connected with a balancing weight 112 through a roller 103, the bottom of the triangular hanging bracket 108 is provided with a hanging ring 109, an iron chain 110 is connected in the hanging ring 109, the bottom of the iron chain 110 is connected with a hook 113, and the weight of the balancing weight 112 is matched with the roller 103 through the application, therefore, the effect that a user can easily lift a heavy object is achieved, the sliding groove is formed in the fixed base 206, the extension plate base 204 is slidably mounted in the sliding groove in the fixed base 206, and when the extension rod 208 sinks downwards, the extension plate base extends towards two sides.
The working principle is as follows: before the device is used, a user needs to install and check the device, check whether the installation connection of each part is reasonable or not, and can meet the use requirement, the device can be used after the check is finished, when the device is used, the hook 113 needs to be hung in a hanging buckle reserved for bundled vegetable oil production raw materials, then the counterweight block 112 with proper weight is selected for hanging, at the moment, the user can drive the turnover rod 105 to move by downwards pulling the handle arranged on one side of the rolling shaft 103, the turnover rod drives the first connecting rod 106 to move when doing circular motion, meanwhile, the first connecting rod 106 pulls the triangular hanging bracket 108 to lift upwards to lift the raw materials hung by the hook 113, thereby achieving the effect of replacing mechanical lifting by utilizing the lever matching principle, the second supporting piece 111 can be used as a supporting piece after the triangular hanging bracket 108 lifts, and forms downward pressure with the counterweight block 112 when the triangular hanging bracket 108 lifts, at the moment, the pressure bearing plate is released downwards after receiving pressure, the telescopic rod 208 and the spring device 205 sink after receiving gravity, when the telescopic rod 208 sinks downwards, the two sides of the telescopic rod extend towards the two sides through the extending plates connected with the movable connecting rod 203, the contact area of the base and the ground is increased, and therefore the purpose of adaptively adjusting the attachment area of the base according to the weight of a lifted heavy object is achieved, and the stability of the lifting device is improved.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a raw materials hoisting device is used in vegetable oil production, includes hoisting accessory (1) and stabilising arrangement (2), its characterized in that: the bottom of the lifting device (1) is fixedly provided with a stabilizing device (2), the stabilizing device (2) comprises a supporting plate (201), the two ends of the bottom of the supporting plate (201) are symmetrically provided with telescopic rods (208), the bottom of the supporting plate (201) is fixedly provided with a supporting column (209), the bottom of the support (209) is fixedly provided with a fixed base (206), the bottom of the telescopic rod (208) is fixedly arranged at the two ends of the top of the fixed base (206), a spring device (205) is sleeved on the outer side of the telescopic rod (208), a limiting plate (207) is arranged at the top of the spring device (205), one side of the telescopic rod (208) is movably connected with a movable connecting rod (203) through a third pin shaft (202), the bottom of the movable connecting rod (203) is movably connected to two ends of an extension plate seat (204), and the extension plate seat (204) is embedded in a fixed base (206).
2. The raw material lifting device for vegetable oil production according to claim 1, characterized in that: the bilateral symmetry of hoisting accessory (1) is provided with first support piece (101), the top fixed mounting of first support piece (101) has mounting (104), two mounting (104) between movable mounting have roller bearing (103), the surface cover of roller bearing (103) is equipped with upset pole (105), the one end of upset pole (105) is connected with first connecting rod (106), the one end that upset pole (105) were kept away from in first connecting rod (106) is connected with triangle gallows (108).
3. The raw material lifting device for vegetable oil production according to claim 2, characterized in that: one side of the lifting device (1) is movably provided with a second supporting piece (111) through a mounting piece, and one end, far away from the lifting device (1), of the second supporting piece (111) is movably connected with one end of the triangular hanging bracket (108) through a pin shaft.
4. The raw material lifting device for vegetable oil production according to claim 2, characterized in that: the top of the lifting device (1) is provided with an arc-shaped groove, and the arc-shaped groove at the top of the lifting device (1) is larger than the motion radius of one end of the turnover rod (105).
5. The raw material lifting device for vegetable oil production according to claim 2, characterized in that: first connecting rod (106) and the one end of triangle gallows (108) are through first round pin axle (107) swing joint, the surface winding of first round pin axle (107) has cable wire (102), the one end that first round pin axle (107) were kept away from in cable wire (102) is connected with balancing weight (112) through roller bearing (103), link (109) have been seted up to the bottom of triangle gallows (108), link (109) in-connection have iron chain (110), the bottom of iron chain (110) is connected with couple (113).
6. The raw material lifting device for vegetable oil production according to claim 1, characterized in that: the inside of unable adjustment base (206) is seted up the spout, extension board seat (204) slidable mounting is in unable adjustment base (206) inside spout.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023264013.XU CN214167172U (en) | 2020-12-29 | 2020-12-29 | Raw materials hoisting device is used in vegetable oil production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023264013.XU CN214167172U (en) | 2020-12-29 | 2020-12-29 | Raw materials hoisting device is used in vegetable oil production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214167172U true CN214167172U (en) | 2021-09-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023264013.XU Expired - Fee Related CN214167172U (en) | 2020-12-29 | 2020-12-29 | Raw materials hoisting device is used in vegetable oil production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214167172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787951A (en) * | 2021-09-29 | 2021-12-14 | 石家庄金通达专用汽车有限公司 | Semitrailer with self-discharging function |
-
2020
- 2020-12-29 CN CN202023264013.XU patent/CN214167172U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787951A (en) * | 2021-09-29 | 2021-12-14 | 石家庄金通达专用汽车有限公司 | Semitrailer with self-discharging function |
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| GR01 | Patent grant | ||
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Granted publication date: 20210910 |