CN112138748B - Gyratory crusher with dustproof feeding port function - Google Patents
Gyratory crusher with dustproof feeding port function Download PDFInfo
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- CN112138748B CN112138748B CN202010878545.8A CN202010878545A CN112138748B CN 112138748 B CN112138748 B CN 112138748B CN 202010878545 A CN202010878545 A CN 202010878545A CN 112138748 B CN112138748 B CN 112138748B
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- fixedly connected
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- motor
- box body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/10—Crushing or disintegrating by gyratory or cone crushers concentrically moved; Bell crushers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a gyratory crusher with a dustproof function of a feed inlet, which relates to the technical field of crushing equipment and comprises a base, wherein the lower surface of the base is fixedly connected with a damping mechanism, the lower part of the damping mechanism is fixedly connected with a supporting leg adjusting mechanism, the upper surface of the base is fixedly connected with a box body, the upper surface of the box body is fixedly connected with a feed inlet, the feed inlet is fixedly connected with a cover plate mechanism, the bottom of the box body is fixedly connected with a lifting motor, an output shaft of the lifting motor is fixedly connected with a lifting mechanism, the upper part of the lifting mechanism is fixedly connected with a lifting seat, the upper surface of the lifting seat is fixedly connected with a crushing mechanism, the inner wall of the box body is fixedly connected with a mounting ring, the mounting ring is fixedly connected with crushed blocks, the side wall of the box body is fixedly connected with a dust absorption mechanism, and the side wall of the box body is positioned below the dust absorption mechanism and is fixedly connected with a discharge outlet, the gyratory crushing and dust prevention efficiency is improved, and the labor cost is reduced.
Description
Technical Field
The invention relates to the technical field of crushing equipment, in particular to a gyratory crusher with a dustproof function of a feeding port.
Background
Crushing refers to a process of breaking large solid waste into small solid waste by overcoming cohesive force between particles of the solid waste using external force. The crushing is one of the technologies of solid waste pretreatment, and the size and the shape of the solid waste are controlled through the crushing, so that the recycling and the reduction of the solid waste are facilitated. The gyratory crusher is a vertical compound crusher, also called a compound crusher, and is a machine of a crushing production line and a sand making production line. The upper end of the main shaft with the crushing cone is supported in a bush in the middle of the cross beam, and the lower end of the main shaft is arranged in an eccentric hole of the shaft sleeve. When the shaft sleeve rotates, the crushing cone eccentrically revolves around the center line of the machine, and the crushing action is continuously performed, so that the working efficiency is higher than that of a jaw crusher.
The utility model discloses a chinese utility model patent document with CN210449485U discloses a gyratory crusher with pan feeding mouth dustproof function, the device is through setting up the suction hood subassembly in the top side of gyratory crusher body, reduce the dust pollution of gyratory crusher body during operation, protect operational environment, the garrulous material that will probably break out simultaneously keeps off, prevent that it from breaking out and hurting the people, and each part passes through flange joint, be convenient for dismantle and wash, but the device does not set up the mechanism that can change broken degree, can not obtain required crushing effect, the device does not set up damper simultaneously, because vibrations in crushing process are generally great, therefore damper is very necessary, there is not damper and probably causes the stress concentration of device.
Disclosure of Invention
The invention provides a gyratory crusher with a dustproof function of a feeding port, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a gyratory crusher with a feed inlet dustproof function comprises a base, wherein a lower surface of the base is fixedly connected with a damping mechanism, a lower part of the damping mechanism is fixedly connected with a supporting leg adjusting mechanism, an upper surface of the base is fixedly connected with a box body, an upper surface of the box body is fixedly connected with a feed inlet, the feed inlet is fixedly connected with a cover plate mechanism, the bottom of the box body is fixedly connected with a lifting motor, an output shaft of the lifting motor is fixedly connected with a lifting mechanism, an upper part of the lifting mechanism is fixedly connected with a lifting seat, an upper surface of the lifting seat is fixedly connected with a crushing mechanism, the inner wall of the box body is fixedly connected with a mounting ring, the mounting ring is fixedly connected with crushed pieces, the side wall of the box body is fixedly connected with a dust collection mechanism, and the side wall of the box body is positioned below the dust collection mechanism and is fixedly connected with a discharge outlet;
the lifting mechanism comprises a threaded rod, a limiting rod is fixedly connected between the lifting motor and the box body, four second bearings are in threaded connection with the threaded rod, moving blocks are fixedly connected to the outer sides of the second bearings, the limiting rod penetrates through the moving blocks, the upper surfaces of the second bearings are fixedly connected with second rotating seats, the second rotating seats are rotatably connected with connecting rods, the connecting rods are rotatably connected with third rotating seats in pairs, and the upper surfaces of the third rotating seats are fixedly connected with the lifting seat;
the crushing mechanism comprises a crushing motor, the crushing motor is fixed on a lifting seat, an output shaft of the crushing motor is fixedly connected with a crushing shaft, one end of the crushing shaft, far away from the crushing motor, is fixedly connected with a crushing head, a motor cover is fixedly connected to the outer side of the crushing motor on the lifting seat, and the upper surface of the lifting seat is obliquely arranged;
dust absorption mechanism includes the filter screen, box outside fixed connection flabellum cover, flabellum cover outside fixed connection dust absorption motor support, dust absorption motor support fixed connection dust absorption motor, dust absorption motor output shaft fixed connection dust absorption flabellum axle, dust absorption flabellum off-axial fixed connection dust absorption flabellum, flabellum cover bottom fixed connection dust storage box, dust storage box bottom right side fixed connection outlet.
As a preferred technical scheme of the invention, the damping mechanism comprises an upper damping block, the lower surface of the upper damping block is fixedly connected with a damping sleeve, a damping rod is arranged in the damping sleeve, the lower surface of the damping rod is fixedly connected with a lower damping block, and a damping spring is fixedly connected between the upper damping block and the lower damping block.
As a preferred technical scheme of the invention, the supporting leg adjusting mechanism comprises a first bearing, the outer side of the first bearing is fixedly connected with the lower damping block, the inner side of the first bearing is fixedly connected with a threaded sleeve, the threaded sleeve is in threaded connection with the threaded supporting leg, and the lower end of the threaded supporting leg is fixedly connected with the supporting block.
As a preferable technical scheme of the invention, the cover plate mechanism comprises a first rotating seat, the first rotating seat is rotatably connected with a cover plate, and a cover uncovering handle is fixedly connected on the cover plate.
The invention has the following advantages: according to the invention, the control on the crushing size can be realized by arranging the lifting mechanism, the dust generated by crushing can be removed by arranging the dust collection mechanism, the isolation of the dust during crushing can be realized by arranging the cover plate mechanism, the shock absorption of the shock generated during crushing can be realized by arranging the shock absorption mechanism, the non-horizontal device of the whole device can be adjusted by arranging the supporting leg adjusting mechanism, the gyratory crushing and dust prevention efficiency is improved, and the labor cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a gyratory crusher with a dustproof function of a feeding port.
Fig. 2 is a partially enlarged view of the area a in fig. 1.
Fig. 3 is a schematic structural diagram of an upper leg adjusting mechanism of a gyratory crusher with a feed inlet dustproof function.
In the figure: 1. a base; 2. a damping mechanism; 201. an upper shock-absorbing block; 202. a shock-absorbing sleeve; 203. a shock-absorbing lever; 204. a lower damping block; 205. a damping spring; 3. a leg adjustment mechanism; 301. a first bearing; 302. a threaded sleeve; 303. a threaded leg; 304. a support block; 4. a box body; 5. a feeding port; 6. a cover plate mechanism; 601. a first rotating base; 602. a cover plate; 603. uncovering the handle; 7. a lifting motor; 8. a lifting mechanism; 801. a threaded rod; 802. a limiting rod; 803. a second bearing; 804. a moving block; 805. a second rotating base; 806. a connecting rod; 807. a third rotating base; 9. a lifting seat; 10. a crushing mechanism; 1001. a crushing motor; 1002. a crushing shaft; 1003. a crushing head; 1004. a motor cover; 11. a mounting ring; 12. fixing broken blocks; 13. a dust suction mechanism; 1301. a filter screen; 1302. a fan blade cover; 1303. a dust-collecting motor bracket; 1304. a dust collection motor; 1305. a dust suction fan blade shaft; 1306. dust-absorbing fan blades; 1307. a dust storage box; 1308. a dust outlet; 14. and (4) a discharge port.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-3, a gyratory crusher with a dustproof function of a feeding port comprises a base 1, wherein a damping mechanism 2 is fixedly connected to the lower surface of the base 1, a supporting leg adjusting mechanism 3 is fixedly connected to the lower portion of the damping mechanism 2, a box body 4 is fixedly connected to the upper surface of the base 1, a feeding port 5 is fixedly connected to the upper surface of the box body 4, a cover plate mechanism 6 is fixedly connected to the feeding port 5, a lifting motor 7 is fixedly connected to the bottom of the box body 4, an output shaft of the lifting motor 7 is fixedly connected to a lifting mechanism 8, a lifting seat 9 is fixedly connected to the upper portion of the lifting mechanism 8, a crushing mechanism 10 is fixedly connected to the upper surface of the lifting seat 9, a mounting ring 11 is fixedly connected to the inner wall of the box body 4, a crushed block 12 is fixedly connected to the mounting ring 11, a dust suction mechanism 13 is fixedly connected to the side wall of the box body 4, and a discharging port 14 is fixedly connected to the side wall of the box body 4 below the dust suction mechanism 13;
the lifting mechanism 8 comprises a threaded rod 801, a limiting rod 802 is fixedly connected between the lifting motor 7 and the box body 4, four second bearings 803 are in threaded connection with the threaded rod 801, moving blocks 804 are fixedly connected to the outer sides of the second bearings 803, the limiting rod 802 penetrates through the moving blocks 804, second rotating seats 805 are fixedly connected to the upper surfaces of the second bearings 803, the second rotating seats 805 are rotatably connected with connecting rods 806, the connecting rods 806 are rotatably connected with third rotating seats 807 in pairs, and the upper surfaces of the third rotating seats 807 are fixedly connected with the lifting seat 9;
the crushing mechanism 10 comprises a crushing motor 1001, the crushing motor 1001 is fixed on the lifting seat 9, an output shaft of the crushing motor 1001 is fixedly connected with a crushing shaft 1002, one end of the crushing shaft 1002, which is far away from the crushing motor 1001, is fixedly connected with a crushing head 1003, a motor cover 1004 is fixedly connected on the lifting seat 9, which is positioned outside the crushing motor 1001, and the upper surface of the lifting seat 9 is arranged in an inclined manner;
the dust collection mechanism 13 comprises a filter screen 1301, a fan blade cover 1302 is fixedly connected to the outer side of the box body 4, a dust collection motor support 1303 is fixedly connected to the outer side of the fan blade cover 1302, the dust collection motor support 1303 is fixedly connected to a dust collection motor 1304, an output shaft of the dust collection motor 1304 is fixedly connected to a dust collection fan blade shaft 1305, a dust collection fan blade 1306 is fixedly connected to the outer side of the dust collection fan blade shaft 1305, a dust storage box 1307 is fixedly connected to the bottom of the fan blade cover 1302, and a dust outlet 1308 is fixedly connected to the right side of the bottom of the dust storage box 1307.
The cover plate mechanism 6 comprises a first rotating seat 601, the first rotating seat 601 is rotatably connected with a cover plate 602, and a cover uncovering handle 603 is fixedly connected to the cover plate 602.
Example 2
Referring to fig. 1-3, the other contents of the present embodiment are the same as embodiment 1, except that: the damping mechanism 2 comprises an upper damping block 201, a damping sleeve 202 is fixedly connected to the lower surface of the upper damping block 201, a damping rod 203 is arranged in the damping sleeve 202, a lower damping block 204 is fixedly connected to the lower surface of the damping rod 203, and a damping spring 205 is fixedly connected between the upper damping block 201 and the lower damping block 204.
The supporting leg adjusting mechanism 3 comprises a first bearing 301, the outer side of the first bearing 301 is fixedly connected with the lower damping block 204, the inner side of the first bearing 301 is fixedly connected with a threaded sleeve 302, the threaded sleeve 302 is in threaded connection with a threaded supporting leg 303, and the lower end of the threaded supporting leg 303 is fixedly connected with a supporting block 304.
In the implementation process of the invention, firstly, the threaded sleeve 302 is rotated, the whole device is adjusted to a horizontal working state, the cover plate 602 is opened, stone to be crushed is thrown into the feed opening 5, then the lifting motor 7 is started according to the size of the stone to be crushed, the output shaft of the lifting motor 7 drives the threaded rod 801 to rotate, and further two pairs of second bearings 803 are driven to close, the height control of the lifting seat 9 is realized, further the height lifting of the crushing mechanism 10 is realized, at the time, the distance between the crushing head 1003 and the fixed crushed block 12 is changed, further the size of the crushed stone is changed, the crushing motor 1001 is started, the crushing head 1003 rotates, the crushing of the stone is realized, the crushed stone is discharged from the discharge opening 14, meanwhile, the dust suction motor 1304 is started, the output shaft of the dust suction motor 1304 drives the dust suction fan blades 1306 to rotate, and the dust in the box body 4 is sucked and removed into the dust storage box 1307, the gyratory crushing function is realized.
According to the invention, the control on the crushing size can be realized by arranging the lifting mechanism 8, the dust generated by crushing can be removed by arranging the dust collection mechanism 13, the isolation of the dust during crushing can be realized by arranging the cover plate mechanism 6, the shock absorption of the shock generated during crushing can be realized by arranging the shock absorption mechanism 2, the non-horizontal device of the whole device can be adjusted by arranging the supporting leg adjusting mechanism 3, the gyratory crushing and dust prevention efficiency is improved, and the labor cost is reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A gyratory crusher with a dustproof function of a feeding port comprises a base (1) and is characterized in that the lower surface of the base (1) is fixedly connected with a damping mechanism (2), the lower portion of the damping mechanism (2) is fixedly connected with a supporting leg adjusting mechanism (3), the upper surface of the base (1) is fixedly connected with a box body (4), the upper surface of the box body (4) is fixedly connected with a feeding port (5), the feeding port (5) is fixedly connected with a cover plate mechanism (6), the bottom of the box body (4) is fixedly connected with a lifting motor (7), an output shaft of the lifting motor (7) is fixedly connected with a lifting mechanism (8), the upper portion of the lifting mechanism (8) is fixedly connected with a lifting seat (9), the upper surface of the lifting seat (9) is fixedly connected with a crushing mechanism (10), the inner wall of the box body (4) is fixedly connected with a mounting ring (11), the mounting ring (11) is fixedly connected with crushed blocks (12), and the side wall of the box body (4) is fixedly connected with a dust collection mechanism (13), the side wall of the box body (4) is positioned below the dust absorption mechanism (13) and is fixedly connected with a discharge hole (14);
the lifting mechanism (8) comprises a threaded rod (801), a limiting rod (802) is fixedly connected between the lifting motor (7) and the box body (4), four second bearings (803) are connected to the threaded rod (801) in a threaded mode, a moving block (804) is fixedly connected to the outer side of each second bearing (803), the limiting rod (802) penetrates through the moving block (804), the upper surface of each second bearing (803) is fixedly connected with a second rotating seat (805), each second rotating seat (805) is rotatably connected with a connecting rod (806), every two connecting rods (806) are rotatably connected with third rotating seats (807), and the upper surface of each third rotating seat (807) is fixedly connected with a lifting seat (9);
the crushing mechanism (10) comprises a crushing motor (1001), the crushing motor (1001) is fixed on a lifting seat (9), an output shaft of the crushing motor (1001) is fixedly connected with a crushing shaft (1002), one end, far away from the crushing motor (1001), of the crushing shaft (1002) is fixedly connected with a crushing head (1003), a motor cover (1004) is fixedly connected to the outer side of the crushing motor (1001) on the lifting seat (9), and the upper surface of the lifting seat (9) is obliquely arranged;
dust absorption mechanism (13) include filter screen (1301), box (4) outside fixed connection flabellum cover (1302), flabellum cover (1302) outside fixed connection dust absorption motor support (1303), dust absorption motor support (1303) fixed connection dust absorption motor (1304), dust absorption motor (1304) output shaft fixed connection dust absorption flabellum axle (1305), dust absorption flabellum axle (1305) outside fixed connection dust absorption flabellum (1306), flabellum cover (1302) bottom fixed connection dust storage box (1307), dust storage box (1307) bottom right side fixed connection goes out dirt mouth (1308).
2. The gyratory crusher with the dustproof function of the feeding port as claimed in claim 1, wherein the damping mechanism (2) comprises an upper damping block (201), a damping sleeve (202) is fixedly connected to the lower surface of the upper damping block (201), a damping rod (203) is arranged in the damping sleeve (202), a lower damping block (204) is fixedly connected to the lower surface of the damping rod (203), and a damping spring (205) is fixedly connected between the upper damping block (201) and the lower damping block (204).
3. The gyratory crusher with a dust-proof function of a feeding port according to claim 2, characterized in that the leg adjusting mechanism (3) comprises a first bearing (301), the outer side of the first bearing (301) is fixedly connected with the lower shock absorption block (204), the inner side of the first bearing (301) is fixedly connected with a threaded sleeve (302), the threaded sleeve (302) is in threaded connection with a threaded leg (303), and the lower end of the threaded leg (303) is fixedly connected with the supporting block (304).
4. The gyratory crusher with a dust-proof function of a feeding port according to claim 1, characterized in that the cover plate mechanism (6) comprises a first rotating base (601), the first rotating base (601) is rotatably connected with a cover plate (602), and a cover-uncovering handle (603) is fixedly connected with the cover plate (602).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010878545.8A CN112138748B (en) | 2020-08-27 | 2020-08-27 | Gyratory crusher with dustproof feeding port function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010878545.8A CN112138748B (en) | 2020-08-27 | 2020-08-27 | Gyratory crusher with dustproof feeding port function |
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| Publication Number | Publication Date |
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| CN112138748A CN112138748A (en) | 2020-12-29 |
| CN112138748B true CN112138748B (en) | 2022-02-22 |
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| CN113477651B (en) * | 2021-07-21 | 2022-04-05 | 六安中科聚盆机械有限公司 | Dust collecting device for ore crushing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201647060U (en) * | 2010-04-20 | 2010-11-24 | 张小彬 | Spring bracket of tricycle engine |
| CN204766293U (en) * | 2015-03-11 | 2015-11-18 | 夏润泽 | Vibration damping mount of medical treatment shallow |
| CN206444258U (en) * | 2016-12-25 | 2017-08-29 | 山东鲁泰控股集团有限公司 | A kind of adjustable damping vibrating type new type pressure filter of level |
| CN108273617A (en) * | 2018-02-05 | 2018-07-13 | 苏州专创光电科技有限公司 | A kind of environmental protecting device of Intelligent treatment rubbish |
| CN108325657A (en) * | 2018-02-05 | 2018-07-27 | 苏州专创光电科技有限公司 | A kind of commercialization intelligent garbage processor |
| CN208212826U (en) * | 2018-04-17 | 2018-12-11 | 沭阳金禾米业有限公司 | A kind of rice processing dust-extraction unit |
| CN109099265B (en) * | 2018-06-26 | 2020-04-28 | 邢台职业技术学院 | Mechanical equipment vibration damping mount |
| CN109368564A (en) * | 2018-11-28 | 2019-02-22 | 国网河南省电力公司商丘供电公司 | A kind of small-sized lifting device of power equipment maintaining |
| CN110142085A (en) * | 2019-06-24 | 2019-08-20 | 浙江双金机械集团股份有限公司 | A kind of circular cone sand making machine |
| CN211329699U (en) * | 2019-12-10 | 2020-08-25 | 黄春兰 | Household garbage crushing treatment device |
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