CN115303649A - Hydraulic pushing system for loosening materials of raw coal bunker - Google Patents
Hydraulic pushing system for loosening materials of raw coal bunker Download PDFInfo
- Publication number
- CN115303649A CN115303649A CN202210855484.2A CN202210855484A CN115303649A CN 115303649 A CN115303649 A CN 115303649A CN 202210855484 A CN202210855484 A CN 202210855484A CN 115303649 A CN115303649 A CN 115303649A
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- Prior art keywords
- coal bunker
- main body
- loosening
- fixed
- bunker main
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
- B65D88/66—Large containers characterised by means facilitating filling or emptying preventing bridge formation using vibrating or knocking devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/64—Large containers characterised by means facilitating filling or emptying preventing bridge formation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention provides a hydraulic pushing system for loosening materials of a raw coal bunker, which comprises a coal bunker main body, wherein a rapping device is arranged outside the bottom end of the coal bunker main body, a plurality of outer loosening devices are arranged at the top end of the rapping device, and an inner loosening device is connected to the inside of the coal bunker main body, which is extended from an execution end of each outer loosening device; the outer loosening device comprises a bracket fixed on the outer surface of the coal bunker main body, and a second vibrating air hammer is arranged inside the bracket; the inner loosening device comprises a cylinder fixed at one end of a hammer head of the second vibrating air hammer, a pushing assembly arranged outside a piston rod of the cylinder, and a counterattack assembly arranged between the pushing assembly and the inner wall of the coal bunker main body. The invention can simultaneously carry out conveying work from the inside and the outside of the coal bunker main body so as to improve the falling efficiency of the materials in the coal bunker main body.
Description
Technical Field
The invention mainly relates to the technical field of coal conveying systems, in particular to a hydraulic pushing system for loosening materials of a raw coal bunker.
Background
The coal bunker is generally formed by mixing cement, steel or steel and is mainly used for being matched with a coal feeder to convey coal materials.
According to the patent document with the application number of CN202020685787.0, the raw coal bunker loosening device is known to comprise a coal bunker, at least two groups of hydraulic propulsion devices are arranged on the inner wall of the coal bunker, the loosening devices are in driving connection with the hydraulic propulsion devices and do up-and-down reciprocating motion along the inner wall of the coal bunker, and the hydraulic propulsion devices are used for regulating, controlling and supplying oil through hydraulic oil pipes. The hydraulic loosening device is additionally arranged on the wall of the coal bunker, and the hydraulic propulsion drives the loosening device to move up and down along the wall of the coal bunker, so that the blocked coal is loosened, and the coal flows smoothly. The loosening device has a good effect in the use process, effectively solves the problem of blockage of coal in a coal bunker, ensures normal operation of a boiler, and simultaneously reduces the working strength of operators.
Although the coal bunker loosening device has certain loosening capacity and ensures normal operation of the boiler, the traditional loosening device only moves up and down along the wall of the coal bunker through the loosening plate to achieve the effect of conveying the coal bunker, the loosening means is single, and the loosening effect is poor.
Disclosure of Invention
The invention mainly provides a hydraulic pushing system for loosening materials of a raw coal bunker, which is used for solving the technical problems in the background technology.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a hydraulic pushing system for loosening materials of a raw coal bunker comprises a coal bunker main body, wherein a rapping device is arranged outside the bottom end of the coal bunker main body, a plurality of outer loosening devices are arranged at the top end of the rapping device, and an inner loosening device is connected to the inside, extending to the coal bunker main body, of an execution end of each outer loosening device;
the rapping device comprises a plurality of first vibrating air hammers fixed on the outer surface of the bottom end of the coal bunker main body, and the plurality of first vibrating air hammers are arranged around the axis of the coal bunker main body;
the external loosening device comprises a support fixed on the outer surface of the coal bunker main body, a second vibration air hammer is arranged inside the support, and a hammer head of the second vibration air hammer extends into the coal bunker main body;
the inner loosening device comprises a cylinder fixed at one end of the inside of the coal bunker main body, a pushing assembly arranged outside a piston rod of the cylinder, and a counterattack assembly arranged between the pushing assembly and the inner wall of the coal bunker main body, wherein the cylinder is fixed at the hammer head of the second vibration air hammer and extends to one end of the inside of the coal bunker main body.
Further, the support is including being fixed in a plurality of bracing pieces of coal bunker main part surface, and be fixed in a plurality of coal bunker main part one end is kept away from to the bracing piece, and supplies the fixed supporting seat of second vibration air hammer provides the mounted position for the second vibration air hammer through the supporting seat.
Furthermore, the one end that the tup of second vibration air hammer is close to the coal bunker main part is fixed with the telescopic link, the telescopic link extends to the inside of coal bunker main part is connected with the cylinder, the length of the diameter of telescopic link is less than the length of the diameter of the tup of second vibration air hammer drives the cylinder through extending to the inside telescopic link of coal bunker main part and carries out the translation.
Furthermore, the inner loosening device further comprises a smashing prevention cover fixed on the outer surface of the cylinder, and the cylinder resists impact from the outside through the smashing prevention cover sleeved on the cylinder, so that the service life of the cylinder is prolonged.
Furthermore, the material pushing assembly comprises a material pushing plate sleeved on the outer surface of a piston rod of the air cylinder, and a knocking mechanism arranged on the surface of one side, close to the counterattack assembly, of the material pushing plate, and the material pushing plate reciprocates up and down along the inner wall of the coal bunker main body to push the material inside the coal bunker main body to fall.
Furthermore, the material pushing assembly further comprises a plurality of material pushing ratchets which are fixed on one side surface of the material pushing plate, far away from the knocking mechanism, and are sequentially arranged from top to bottom, when the material pushing plate ascends along with the piston rod of the air cylinder, the material slides on the surface of the material pushing plate so as to prevent the material from bending the piston rod of the air cylinder and ascending along with the lifting of the material pushing plate.
Furthermore, the knocking mechanism comprises a plurality of springs which are sequentially fixed on the surface of one side, close to the counterattack component, of the material pushing plate from top to bottom, and knocking heads which are fixed on the surface of one side, far away from the material pushing plate, of the springs, and the knocking heads are connected with the material pushing plate through the springs, so that the knocking heads can quickly return to the original positions by means of energy storage of the springs and fall formed by the impacted teeth, and knock the material pushing plate.
Furthermore, the impact component comprises an impact plate fixed on the inner wall of the coal bunker main body, and a plurality of impacted teeth which are fixed on the surface of the impact plate close to one side of the knocking head and are sequentially arranged from top to bottom, wherein an inclined plane is formed by the impacted teeth for the knocking head to slide, and the knocking head is extruded by the impacted teeth, so that a fall is formed between the knocking head and the impact plate.
Furthermore, the longitudinal section of the impact plate is in a right trapezoid shape, and the inclined plane of the impact plate is adapted to the pushing plate which is continuously translated, so that the knocking head on the pushing plate can be always abutted to the knocking head.
Furthermore, a plurality of through holes for the telescopic rods to penetrate are formed in the shell of the coal bunker main body, sealing rings are fixed on the inner walls of the through holes, a plurality of balls are embedded into the surfaces of the inner rings of the sealing rings, and the balls passing through the inner rings of the sealing rings roll on the telescopic rods so as to reduce dry friction between the telescopic rods and the sealing rings.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the invention can simultaneously carry out conveying work from the inside and the outside of the coal bunker main body so as to improve the falling efficiency of materials in the coal bunker main body, and specifically comprises the following steps: strike it from the outside bottom and the top of coal bunker main part through first vibration air hammer and second vibration air hammer, when the tup of second vibration air hammer stretches out and draws back, drive the cylinder through the tup of second vibration air hammer and vibrate to the scraping wings on the piston rod that promotes the cylinder vibrates, carries out the bulk transport to the coal charge from the inside of coal bunker main part through the scraping wings of vibration.
Secondly, the invention can simultaneously loosen the materials in the coal bunker main body and the materials attached to the inner wall so as to improve the falling efficiency of the materials in the coal bunker main body, and the invention specifically comprises the following steps: vibrate through the scraping wings to loosen the inside material of coal bunker main part, the scraping wings goes up and down along with the piston rod of cylinder, thereby strikes the scraping wings through knocking the head.
The present invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic view of the construction of an outer aerating means and an inner aerating means of the present invention;
FIG. 5 is a schematic structural view of a coal bunker body according to the present invention;
FIG. 6 is a schematic view of the construction of the internal loosening apparatus of the present invention;
FIG. 7 is an enlarged view of the structure of area A in FIG. 3;
fig. 8 is an enlarged view of the structure of region a in fig. 5.
In the figure: 10. a coal bunker main body; 11. a through hole; 12. a seal ring; 13. a ball bearing; 20. a rapping device; 30. an outer loosening device; 31. a support; 311. a support bar; 312. a supporting base; 32. a second vibratory air hammer; 321. a telescopic rod; 40. an internal loosening device; 41. a cylinder; 411. a smash-proof cover; 42. a material pushing assembly; 421. a material pushing plate; 4221. a spring; 4222. a knocking head; 422. a knocking mechanism; 423. a pushing ratchet; 43. a counterattack component; 431. a counterattack plate; 432. and (6) striking teeth.
Detailed Description
In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In an embodiment, referring to fig. 1 to 8, a hydraulic pushing system for loosening materials of a raw coal bunker includes a coal bunker main body 10, a rapping device 20 is disposed outside a bottom end of the coal bunker main body 10, a plurality of outer loosening devices 30 are disposed on a top end of the rapping device 20, and an inner loosening device 40 is connected to an inside of the coal bunker main body 10, and an execution end of the outer loosening device 30 extends to an inside of the coal bunker main body 10;
the rapping device 20 comprises a plurality of first vibrating air hammers 21 fixed on the outer surface of the bottom end of the coal bunker main body 10, and the plurality of first vibrating air hammers 21 are arranged around the axis of the coal bunker main body 10;
the outer loosening device 30 comprises a support 31 fixed on the outer surface of the coal bunker main body 10, a second vibrating air hammer 32 is arranged inside the support 31, and the hammer head of the second vibrating air hammer 32 extends into the coal bunker main body 10;
the internal loosening device 40 comprises a cylinder 41 fixed at one end of the inside of the coal bunker main body 10, a pushing assembly 42 arranged outside a piston rod of the cylinder 41, and a counterattack assembly 43 arranged between the pushing assembly 42 and the inner wall of the coal bunker main body 10, wherein the hammer head of the second vibration air hammer 32 extends to the cylinder 41.
Specifically, please refer to fig. 3, 4 and 6 again, the support 31 includes a plurality of support rods 311 fixed on the outer surface of the coal bunker main body 10, and a support seat 312 fixed on one end of the plurality of support rods 311 away from the coal bunker main body 10 and used for fixing the second vibration air hammer 32, an expansion link 321 is fixed on one end of the hammer head of the second vibration air hammer 32 close to the coal bunker main body 10, the expansion link 321 extends into the coal bunker main body 10 and is connected with the cylinder 41, the length of the diameter of the expansion link 321 is smaller than that of the hammer head of the second vibration air hammer 32, and the internal loosening device 40 further includes an anti-pounding cover 411 fixed on the outer surface of the cylinder 41;
it should be noted that, in this embodiment, a sufficient movement space is provided for the hammer head of the second pneumatic vibration hammer 32 inside the support seat 312 through the support rod 311, and an installation position is provided for the second pneumatic vibration hammer 32 through the support seat 312;
further, the outer surface of the coal bunker main body 10 is knocked by the hammer head of the second vibration air hammer 32, and the cylinder 41 is driven to translate by the telescopic rod 321 extending into the coal bunker main body 10;
further, the cylinder 41 resists the impact from the outside through the anti-smash cover 411 provided outside thereof, thereby extending the service life of the cylinder 41.
Specifically, please refer to fig. 2, 3 and 4 again, the pushing assembly 42 includes a pushing plate 421 sleeved on an outer surface of a piston rod of the cylinder 41, a knocking mechanism 422 disposed on a surface of the pushing plate 421 close to a side of the impact member 43, the pushing assembly 42 further includes a plurality of pushing ratchets 423 fixed on a surface of the pushing plate 421 far away from the knocking mechanism 422 and sequentially arranged from top to bottom, the knocking mechanism 422 includes a plurality of springs 4221 sequentially fixed on a surface of the pushing plate 421 near to the impact member 43 from top to bottom, and a knocking head 4222 fixed on a surface of the springs 4221 far away from the pushing plate 421, the impact member 43 includes an impact plate 431 fixed on an inner wall of the bunker body 10, and a plurality of impacted teeth 432 fixed on a surface of the impact plate 431 near to the knocking head 4222 and sequentially arranged from top to bottom, a longitudinal section of the impact plate 431 is in a right trapezoid shape;
it should be noted that, in this embodiment, the piston rod of the cylinder 41 pushes the material pushing plate 421 to move up and down, so that the material pushing plate 421 reciprocates up and down along the inner wall of the coal bunker main body 10 to push the material inside the coal bunker main body 10 to fall down;
further, as the plurality of pushing ratchets 423 are arranged on the surface of the pushing plate 421, when the pushing plate 421 descends along with the piston rod of the cylinder 41, the pushing ratchets 423 can push the material to fall, and when the pushing plate 421 ascends along with the piston rod of the cylinder 41, the material slides on the surface of the pushing plate 421, so as to prevent the material from bending the piston rod of the cylinder 41 and from ascending along with the lifting of the pushing plate 421;
further, when the material pushing plate 421 moves up and down along with the piston rod of the cylinder 41, the knocking head 4222 on the material pushing plate 421 does not continuously scratch the inclined surface of the struck tooth 432, and since the knocking head 4222 is connected with the material pushing plate 421 through the spring 4221, the knocking head 4222 can quickly return to the original position by means of energy storage of the spring 4221 and a fall formed by the struck tooth 432, and knock the material pushing plate 421;
further, the impact plate 431 transmits the vibration force generated when the knocking head 4222 knocks the shell of the coal bunker body 10, so that materials adhered to the inner wall of the coal bunker body 10 are shaken off, an inclined plane is formed by the knocked teeth 432 and is used for the knocking head 4222 to slide, the knocking head 4222 is extruded by the knocked teeth 432, a fall is formed between the knocking head 4222 and the impact plate 431, and the cross section of the knocked teeth 432 can be a right triangle, an isosceles triangle, an obtuse triangle and an acute triangle;
further, the inclined surface of the impact plate 431 is adapted to the pushing plate 421 which is continuously translated, so that the knocking heads 4222 on the pushing plate 421 can be always abutted against the knocking heads 4222.
Specifically, please refer to fig. 1 and 5 again, a plurality of through holes 11 for the telescopic rod 321 to penetrate through are formed in a housing of the coal bunker main body 10, a sealing ring 12 is fixed on an inner wall of a hole body of each through hole 11, and a plurality of balls 13 are embedded in an inner ring surface of each sealing ring 12;
in the embodiment, the expansion link 321 is inserted through the through hole 11 of the coal bunker main body 10, the through hole 11 reduces a gap between the expansion link 321 and the expansion link 11 through the seal ring 12, and the dry friction between the expansion link 321 and the seal ring 12 is reduced by rolling the balls 13 on the inner ring of the seal ring 12 on the expansion link 321.
The specific operation mode of the invention is as follows:
when the pushing system is used for loosening materials in the coal bunker main body 10, the materials firstly enter the coal bunker main body 10 along the opening at the top end of the coal bunker main body 10, then are knocked from the bottom end of the outer part of the coal bunker main body 10 through the first vibrating air hammer 21, and are knocked from the top end of the outer part of the coal bunker main body 10 through the second vibrating air hammer 32, when the hammer head of the second vibrating air hammer 32 stretches out and draws back, the hammer head of the second vibrating air hammer 32 drives the air cylinder 41 to vibrate so as to push the pushing plate 421 on the piston rod of the air cylinder 41 to vibrate, and the coal materials are integrally conveyed from the inner part of the coal bunker main body 10 through the vibrating pushing plate 421;
and when the material pushing plate 421 vibrates, the material pushing plate 421 moves up and down along with the piston rod of the cylinder 41, the striking head 4222 on the material pushing plate 421 does not continuously strike the inclined surface of the struck tooth 432, because the striking head 4222 is connected with the material pushing plate 421 through the spring 4221, the striking head 4222 can rapidly return to the original position by means of the energy storage of the spring 4221 and the fall formed by the struck tooth 432, and strike the material pushing plate 421, in the process, because the surface of the material pushing plate 421 is provided with a plurality of material pushing ratchets 423, when the material pushing plate 421 moves down along with the piston rod of the cylinder 41, the material pushing ratchets 423 can push the material to fall down, when the material pushing plate 421 moves up along with the piston rod of the cylinder 41, the material slides on the surface of the material pushing plate 421, so as to prevent the material from bending the piston rod of the cylinder 41, and prevent the material from rising along with the lifting of the material pushing plate 421.
The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (10)
1. A hydraulic pushing system for loosening materials of a raw coal bunker comprises a coal bunker main body (10), and is characterized in that a rapping device (20) is arranged outside the bottom end of the coal bunker main body (10), a plurality of outer loosening devices (30) are arranged at the top end of the rapping device (20), and an inner loosening device (40) is connected to the inner portion, extending to the coal bunker main body (10), of an execution end of each outer loosening device (30);
the rapping device (20) comprises a plurality of first vibrating air hammers (21) fixed on the outer surface of the bottom end of the coal bunker main body (10), and the plurality of first vibrating air hammers (21) are arranged around the axis of the coal bunker main body (10);
the outer loosening device (30) comprises a support (31) fixed on the outer surface of the coal bunker main body (10), a second vibrating air hammer (32) is arranged inside the support (31), and the hammer head of the second vibrating air hammer (32) extends into the coal bunker main body (10);
the internal loosening device (40) comprises a cylinder (41) fixed at one end of the inside of the coal bunker main body (10) and extending to the hammer head of the second vibration air hammer (32), a pushing assembly (42) arranged outside a piston rod of the cylinder (41), and a counterattack assembly (43) arranged between the pushing assembly (42) and the inner wall of the coal bunker main body (10).
2. The hydraulic pushing system for loosening materials of a raw coal bunker of claim 1, wherein the support frame (31) comprises a plurality of support rods (311) fixed on the outer surface of the coal bunker body (10), and a support seat (312) fixed on one end of the plurality of support rods (311) far away from the coal bunker body (10) and used for fixing the second vibrating air hammer (32).
3. The hydraulic pushing system for the raw coal bunker to loosen the materials as claimed in claim 1, wherein an expansion link (321) is fixed to one end of the hammer head of the second vibrating air hammer (32) close to the coal bunker main body (10), the expansion link (321) extends to the inside of the coal bunker main body (10) and is connected with the cylinder (41), and the length of the diameter of the expansion link (321) is smaller than that of the hammer head of the second vibrating air hammer (32).
4. The hydraulic pushing system for loosening the materials of the raw coal bunker as claimed in claim 1, wherein the inner loosening device (40) further comprises an anti-smashing cover (411) fixed on the outer surface of the cylinder (41).
5. The hydraulic pushing system for loosening materials of a raw coal bunker as claimed in claim 1, wherein the pushing assembly (42) comprises a pushing plate (421) sleeved on the outer surface of the piston rod of the cylinder (41), and a knocking mechanism (422) arranged on the surface of one side of the pushing plate (421) close to the counterattack assembly (43).
6. The hydraulic pushing system for the raw coal bunker for material loosening as claimed in claim 5, wherein the pushing assembly (42) further includes a plurality of pushing ratchets (423) fixed to a side surface of the pushing plate (421) away from the knocking mechanism (422) and sequentially arranged from top to bottom.
7. The hydraulic pushing system for the raw coal bunker for material loosening as claimed in claim 6, wherein the knocking mechanism (422) comprises a plurality of springs (4221) fixed on the surface of one side, close to the counterattack component (43), of the pushing plate (421) and a knocking head (4222) fixed on the surface of one side, far away from the pushing plate (421), of the springs (4221) in sequence from top to bottom.
8. The hydraulic pushing system for the raw coal bunker for material loosening as claimed in claim 1, wherein the impact component (43) includes an impact plate (431) fixed to the inner wall of the coal bunker main body (10), and a plurality of impact teeth (432) are fixed to one side surface of the impact plate (431) close to the impact head (4222) and are sequentially arranged from top to bottom.
9. The hydraulic pushing system for loosening materials of a raw coal bunker as claimed in claim 8, wherein the longitudinal section of the impact plate (431) is in a right trapezoid shape.
10. The hydraulic pushing system for the raw coal bunker for loosening materials as claimed in claim 3, wherein a plurality of through holes (11) for the telescopic rods (321) to penetrate through are formed in a shell of the coal bunker main body (10), a sealing ring (12) is fixed to the inner wall of the through hole (11), and a plurality of balls (13) are embedded into the surface of an inner ring of the sealing ring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210855484.2A CN115303649A (en) | 2022-07-20 | 2022-07-20 | Hydraulic pushing system for loosening materials of raw coal bunker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210855484.2A CN115303649A (en) | 2022-07-20 | 2022-07-20 | Hydraulic pushing system for loosening materials of raw coal bunker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115303649A true CN115303649A (en) | 2022-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210855484.2A Withdrawn CN115303649A (en) | 2022-07-20 | 2022-07-20 | Hydraulic pushing system for loosening materials of raw coal bunker |
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| Country | Link |
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| CN (1) | CN115303649A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116369363A (en) * | 2023-04-18 | 2023-07-04 | 湖北金鲤鱼农业科技股份有限公司 | Fish slip extrusion meat taking machine |
-
2022
- 2022-07-20 CN CN202210855484.2A patent/CN115303649A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116369363A (en) * | 2023-04-18 | 2023-07-04 | 湖北金鲤鱼农业科技股份有限公司 | Fish slip extrusion meat taking machine |
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Application publication date: 20221108 |
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| WW01 | Invention patent application withdrawn after publication |