CN209935180U - Sand and stone separator - Google Patents
Sand and stone separator Download PDFInfo
- Publication number
- CN209935180U CN209935180U CN201920120923.9U CN201920120923U CN209935180U CN 209935180 U CN209935180 U CN 209935180U CN 201920120923 U CN201920120923 U CN 201920120923U CN 209935180 U CN209935180 U CN 209935180U
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- Prior art keywords
- conveyer belt
- frame
- sand
- conveying belt
- belt
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- Expired - Fee Related
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- 239000004575 stone Substances 0.000 title claims abstract description 61
- 239000004576 sand Substances 0.000 title claims abstract description 51
- 238000007599 discharging Methods 0.000 claims abstract description 55
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000011148 porous material Substances 0.000 claims abstract description 5
- 238000012546 transfer Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims 2
- 238000000926 separation method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000012216 screening Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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Abstract
The utility model relates to a sand-stone separator, which relates to the field of concrete preparation equipment and comprises a frame, wherein a conveyer belt is arranged on the frame, a feeding unit is arranged above the lower end of the conveyer belt on the frame, sieve pores are distributed on the surface of the conveyer belt, guide rollers are arranged on both sides of the conveyer belt, the guide rollers are sleeved on a fixed shaft, a vibration device is also arranged on the frame and connected with the guide rollers, a fine sand discharging device is arranged on the frame, the conveyer belt is provided with a first stone discharging port and a second stone discharging mechanism, sand-stone residual materials are guided into the surface of the conveyer belt from the feeding unit, sand is conveyed along with the conveyer belt, simultaneously the vibration device vibrates the guide rollers and then vibrates the conveyer belt, the fine sand is leaked into the sieve pores and conveyed to the fine sand discharging device for discharging, the residual crushed stones are discharged at two ends along the lower second stone discharging mechanism of the, the vibrating device vibrates, so that the probability of blockage of the sieve pores is low.
Description
Technical Field
The utility model belongs to the technical field of the concrete preparation equipment and specifically relates to a sand and stone separator is related to.
Background
In the process of rapid development of society, resources are saved, the environment is protected, and the sustainable development of society is increasingly concerned by the whole society. A large amount of building sandstone mixed excess materials are generated in the municipal construction process, concrete waste is the most common building waste in construction projects, according to calculation, 1 cubic meter of common concrete contains 1700-2000 kilograms of sandstone aggregates, and the excess materials need to be collected and sorted, so that waste is avoided.
The grit separator disclosed as chinese patent publication No. CN204602788U, including separation frame, driving system, separation cover, screening system, defeated sand fill and defeated stone fill of setting in the separation frame, screening system includes the toper feed cylinder, sets up the toper auger rather than the looks adaptation inside the toper feed cylinder and sets up the outer auger in toper feed cylinder outside, be equipped with the mesh hole on the toper feed cylinder lateral wall, separation frame one side is equipped with the feed inlet, separation frame opposite side is equipped with the overflow mouth. The design of toper feed cylinder and toper auger can make inside grit and the muddy water velocity of flow faster, and muddy water and sand then flow from the screen hole, then separate sand and muddy water through defeated sand fill, send the sand row to defeated sand mouth, then discharge the stone through defeated stone fill and send defeated stone mouth to, outer auger then carries muddy water to overflow mouth discharge.
However, the above-described technique has the following drawbacks: the conical charging barrel continuously rotates, the remaining gravel materials stay in the conical charging barrel for too long time, fine sand is thrown out along the conical charging barrel by means of rotation inertia, the screen holes are easily blocked during the overturning of the fine sand in the conical charging barrel, and the separation efficiency is slightly poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sand and stone separator has separation grit speed piece, avoids the effect of grit jam.
The above object of the present invention can be achieved by the following technical solutions: the utility model provides a sand and stone separator, includes the frame, is equipped with the conveyer belt that the high slope of the low one end of one end set up in the grit frame, the frame is equipped with the feeding unit in the lower one end top of conveyer belt, conveyer belt zone face distributes and has the sieve mesh, in the frame in the conveyer belt both sides are equipped with the guide roller, be equipped with the fixed axle in the frame, the guide roller is cavity fixed plate cover and locates on the fixed axle, still be equipped with a plurality of vibrator in the frame with the guide roller is connected, in the frame in conveyer belt zone face below is equipped with fine sand discharging device, the higher one side of conveyer belt is equipped with first building stones discharge gate, the lower one end of conveyer belt is equipped with second building.
Implement above-mentioned technical scheme, with the grit clout from the leading-in conveyer belt area of feed unit, the grit is carried along with the conveyer belt, and vibrator shakes the guide roller simultaneously and shakes the conveyer belt then, leaks into from the sieve mesh department and carries to the ejection of compact of fine sand discharging device, and remaining rubble is along the first building stones discharge gate of the lower second building stones discharge mechanism of conveyer belt and higher one side and divide the two ejection of compact, and this device process velocity piece is via vibrator vibrations, and the sieve mesh blocks up the probability little.
The utility model discloses further set up to: the feeding unit comprises a hopper arranged above the lower side of the conveying belt, the hopper is connected with the rack, the feeding unit further comprises an L-shaped feeding channel arranged at the lower end of the hopper, and the feeding channel extends downwards and is provided with an opening facing the belt surface of the conveying belt.
Implement above-mentioned technical scheme, the grit clout advances into the hopper, pours into the conveyer belt area along the feedstock channel of "L" shape then, and grit clout feeding is even, and the feedstock channel of "L" shape can avoid the grit to directly strike the conveyer belt.
The utility model discloses further set up to: the vibrating device comprises a rotating cam tangent to the roller surface of the guide roller, a rotating motor is arranged on the rack, and an output shaft of the rotating motor is connected with the rotating cam.
Implement above-mentioned technical scheme, the start rotates the motor, rotates the motor and drives and rotate the cam rotation, rotates the protruding department of cam and constantly jacks up the guide roller, makes the conveyer belt constantly shake then.
The utility model discloses further set up to: the fine sand discharging device comprises a receiving hopper arranged below the belt surface of the conveying belt, the receiving hopper is an assembly with the upper part being a rectangular bottom and an inclined plane, and a first sand discharging channel is communicated with the inclined plane below the receiving hopper and extends to the outer side of the conveying belt.
Implement above-mentioned technical scheme, fall into the receiving hopper from the fine sand that the conveyer belt area face leaked down, then lead to the outside along discharging channel.
The utility model discloses further set up to: second building stones discharge mechanism is including setting up the lower one side of conveyer belt encloses the fender with the direction of transfer vertically ejection of compact, the ejection of compact enclose keep off with the conveyer belt area is tangent and a little more than the grit conveyer belt area, second building stones discharge mechanism still includes the ejection of compact encloses the fender and keeps away from one side of direction of transfer and is provided with the second building stones discharge gate, the ejection of compact encloses the fender department and still is equipped with supplementary vibrations discharging device, supplementary vibrations discharging device is located conveyer belt area below.
Implement above-mentioned technical scheme, the grit clout middlings rubble part encloses the fender department along the conveyer belt downwards in the ejection of compact and gathers, gets into second building stones discharge gate then and accomplishes the ejection of compact, sets up the ejection of compact and encloses the fender and can avoid fine sand to get into second building stones discharge gate along conveyer belt area face, supplementary vibrations discharging device makes the continuous vibrations of rubble make things convenient for the rubble to pass the ejection of compact and enclose the fender entering second building stones discharge gate simultaneously.
The utility model discloses further set up to: the auxiliary vibration discharging device comprises a fixed plate, a vibration rod is arranged in the fixed plate, the upper end of the vibration rod is close to the surface of the conveying belt, a jacking cam is arranged below the vibration rod, the lower end of the vibration rod is located in the protruding stroke of the jacking cam, a second motor is arranged on the rack, and the output end of the second motor is connected with the jacking cam.
Implement above-mentioned technical scheme, the second motor starts, and the continuous rotation of top movable cam, the protruding department of top movable cam is continuous jack-up vibrations pole then, makes the conveyer belt upwards shake, makes the rubble constantly pass the ejection of compact and encloses the fender and get into second building stones discharge gate.
The utility model discloses further set up to: the upper end of the vibration rod is provided with a butting ball, and the butting ball is close to the belt surface of the conveying belt.
Implement above-mentioned technical scheme, set up the reducible area of contact with the conveyer belt panel of butt ball, reduce the damage to the conveyer belt area then.
The utility model discloses further set up to: the frame in the conveyer belt periphery articulates there is the safety cover.
Implement above-mentioned technical scheme, set up the safety cover and avoid the grit to splash.
To sum up, the utility model discloses a beneficial technological effect does:
1. the utility model discloses a sand-stone separator, which comprises a frame, a conveyer belt with a low end and a high inclined end is arranged on the sand-stone frame, a feeding unit is arranged above the lower end of the conveyer belt on the frame, sieve pores are distributed on the surface of the conveyer belt, guide rollers are arranged on two sides of the conveyer belt on the frame, a fixed shaft is arranged on the frame, the guide rollers are hollow fixed plate sleeves and are arranged on the fixed shaft, a plurality of vibration devices are arranged on the frame and are connected with the guide rollers, a fine sand discharging device is arranged below the surface of the conveyer belt on the frame, a first stone material discharging port is arranged on the higher side of the conveyer belt, a second stone material discharging mechanism is arranged at the lower end of the conveyer belt, sand-stone surplus materials are guided into the surface of the conveyer belt from the feeding unit, the sand-stone is conveyed along with the conveyer belt, the fine sand is leaked into from the sieve holes and conveyed to the fine sand discharging device for discharging, the residual broken stones are discharged from two ends along the lower second stone discharging mechanism of the conveying belt and the first stone discharging hole on the higher side, the speed block is processed by the device, and the sieve holes are small in blocking probability due to the vibration of the vibrating device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic sectional view taken along line a-a of fig. 1.
Fig. 3 is an enlarged schematic view of a portion B in fig. 2.
In the figure: 1. a frame; 2. a conveyor belt; 3. a feed unit; 4. a drive motor; 5. rotating the drum; 6. screening holes; 7. a guide roller; 8. a fixed shaft; 9. a vibration device; 10. a fine sand discharging device; 11. a first stone discharge port; 12. a second stone discharging mechanism; 13. a protective cover; 14. a hopper; 15. a feed channel; 16. rotating the cam; 17. rotating the motor; 18. a material receiving hopper; 19. a first sand discharge channel; 20. a discharging enclosure; 21. a second stone material outlet; 22. the auxiliary vibration discharging device; 23. a fixing plate; 24. a vibration rod; 25. abutting the ball; 26. a jacking cam; 27. a second motor.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a sand and stone separator disclosed by the utility model comprises a frame 1, a conveyer belt 2 with one end lower and the other end higher is arranged on the frame 1, a feeding unit 3 is arranged on the frame 1 above the lower end of the conveyer belt 2, one end of the conveyer belt 2 is provided with a driving motor 4, the driving motor 4 is provided with a rotary drum 5 rotationally connected with the conveyer belt 2, the belt surface of the conveyer belt 2 is provided with sieve holes 6, guide rollers 7 are arranged on the frame 1 at both sides of the conveyer belt 2, a fixed shaft 8 is arranged on the frame 1, the guide rollers 7 are hollow fixed plates 23 and are sleeved on the fixed shaft 8, 4 symmetrical vibration devices 9 are arranged on the frame 1 and are connected with the guide rollers 7, a fine sand discharging device 10 is arranged on the frame 1 below the belt surface of the conveyer belt 2, a first stone discharging port 11 is arranged at the higher side of the conveyer belt 2, a second stone discharging mechanism 12, frame 1 is gone up and to have safety cover 13 in 2 periphery articulations of conveyer belt, therefore, it avoids the grit to splash to lead to the grit clout from feed unit 3 to 2 area faces of conveyer belt to set up safety cover 13, driving motor 4 starts, it drives conveyer belt 2 and rotates to rotate cylinder 5, the grit is carried along with conveyer belt 2, vibrator 9 shakes guide roller 7 then and shakes conveyer belt 2 simultaneously, leak into from sieve mesh 6 and carry to the 10 ejection of compact of fine sand discharging device, remaining rubble is along the first building stones discharge gate 11 of the lower second building stones discharging mechanism 12 of conveyer belt 2 and higher one side and is divided the two ejection of compact, this device process velocity piece, shake via vibrator 9, sieve mesh 6 blocks up the probability little.
Referring to fig. 1 and 2, feed unit 3 is including setting up hopper 14 in the lower one side top of conveyer belt 2, hopper 14 is connected with frame 1, feed unit 3 still includes that hopper 14 lower extreme is provided with the feedstock channel 15 of "L" shape, feedstock channel 15 downwardly extending and opening are towards 2 area faces of conveyer belt, the grit clout advanced feeding hopper 14, then pour into 2 area faces of conveyer belt along the feedstock channel 15 of "L" shape, the grit clout feeding is even, and "L" shape feedstock channel 15 can avoid the grit to directly strike conveyer belt 2.
Referring to fig. 2 and 3, vibrator 9 includes the rotation cam 16 tangent with guide roller 7 roll surface, be provided with rotation motor 17 in the frame 1, it is connected with rotation cam 16 to rotate motor 17 output shaft, fine sand discharging device 10 is including setting up the receiving hopper 18 in 2 area faces of conveyer belt below, receiving hopper 18 is the assembly that the top is rectangle below inclined plane, it has first sand discharging channel 19 to extend to the conveyer belt 2 outside to receive hopper 18 below inclined plane intercommunication, consequently start rotation motor 17, rotation motor 17 drives rotation cam 16 and rotates, the guide roller 7 is constantly jacked up in the protruding department of rotation cam 16, make conveyer belt 2 constantly shake then, fine sand that leaks down from 2 area faces of conveyer belt falls into receiving hopper 18 in, then lead to the outside along discharging channel.
Referring to fig. 2, the second stone discharging mechanism 12 includes a discharging enclosure 20 disposed on the lower side of the conveying belt 2 and perpendicular to the conveying direction, the discharging enclosure 20 is tangent to the belt surface of the conveying belt 2 and slightly higher than the belt surface of the gravel conveying belt 2, the second stone discharging mechanism 12 further includes a discharging enclosure 20 having a second stone discharging port 21 disposed on the side away from the conveying direction, an auxiliary vibrating discharging device 22 is disposed at the discharging enclosure 20, the auxiliary vibrating discharging device 22 is disposed below the belt surface of the conveying belt 2, the auxiliary vibrating discharging device 22 includes a fixing plate 23 disposed below the belt surface of the conveying belt 2 and fixed to the frame 1, a vibrating rod 24 is disposed in the fixing plate 23, the upper end of the vibrating rod 24 is close to the belt surface of the conveying belt 2, a abutting ball 25 is disposed on the upper end of the vibrating rod 24, the abutting ball 25 is close to the belt surface of the conveying belt 2, the abutting ball 25 can reduce the contact area with the panel, vibrations pole 24 below is provided with top moving cam 26, 24 lower extreme tip positions in the protruding stroke of top moving cam 26 of vibrations pole, be provided with second motor 27 in the frame 1, the output of second motor 27 is connected with top moving cam 26, grit clout well rubble part encloses the fender 20 department along the conveyer belt 2 downwards in the ejection of compact and gathers, then get into second building stones discharge gate 21 and accomplish the ejection of compact, it encloses fender 20 and can avoid the fine sand to get into second building stones discharge gate 21 along conveyer belt 2 area to set up the ejection of compact, second motor 27 starts, top moving cam 26 constantly rotates, top moving cam 26's bellying is then constantly jack-up vibrations pole 24, make conveyer belt 2 upwards vibrations, make the rubble constantly pass the ejection of compact and enclose fender 20 and get into second building stones discharge gate 21.
Working process (principle): the utility model discloses a sand and stone separator, which comprises a frame 1, a conveyer belt 2 is arranged on the frame 1, the belt surface of the conveyer belt 2 is provided with sieve holes 6, a fixed shaft 8 is arranged on the two sides of the conveyer belt 2 on the frame 1, the fixed shaft 8 is sleeved with a hollow guide roller 7, a vibrator 9 is also arranged on the frame 1 and is connected with the guide roller 7, the conveyer belt 2 is provided with a feeding unit 3, a fine sand discharging device 10, a first stone discharging port 11 and a second stone discharging mechanism 12, sand and stone excess materials are firstly fed into a hopper 14 and then poured into the belt surface of the conveyer belt 2 along an L-shaped feeding channel 15, a driving motor 4 is started, a rotary drum 5 drives the conveyer belt 2 to rotate, sand and stone are conveyed along with the conveyer belt 2, the vibrator 9 vibrates the guide roller 7 and then vibrates the conveyer belt 2, a rotary motor 17 drives a rotary cam 16 to rotate, the convex part, make conveyer belt 2 constantly shake then, fall into receiving hopper 18 from the fine sand that 2 band faces of conveyer belt leaked down in, lead to the outside along discharging channel then, the rubble continues to carry upwards or roll downwards along conveyer belt 2, and the rubble part encloses 20 departments in the ejection of compact and gathers along conveyer belt 2 downwards, then gets into second building stones discharge gate 21 and accomplishes the ejection of compact, and partial rubble conveys the ejection of compact to first building stones discharge gate 11 along conveyer belt 2.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A sand and stone separator, includes frame (1), its characterized in that: a conveyer belt (2) with one lower end and one higher inclined end is arranged on the frame (1), a feeding unit (3) is arranged above the lower end of the conveying belt (2) of the frame (1), sieve pores (6) are distributed on the surface of the conveying belt (2), guide rollers (7) are arranged on the machine frame (1) and on the two sides of the conveying belt (2), a fixed shaft (8) is arranged on the frame (1), the guide roller (7) is a hollow fixed plate (23) which is sleeved on the fixed shaft (8), the frame (1) is also provided with a plurality of vibration devices (9) connected with the guide roller (7), a fine sand discharging device (10) is arranged below the surface of the conveying belt (2) on the frame (1), a first stone material outlet (11) is arranged at the higher side of the conveying belt (2), and a second stone discharging mechanism (12) is arranged at the lower end of the conveying belt (2).
2. A sand separator according to claim 1, wherein: the feeding unit (3) comprises a hopper (14) arranged above the lower side of the conveying belt (2), the hopper (14) is connected with the rack (1), the feeding unit (3) further comprises a feeding channel (15) of an L shape arranged at the lower end of the hopper (14), and the feeding channel (15) extends downwards and is opened towards the belt surface of the conveying belt (2).
3. A sand separator according to claim 1, wherein: the vibrating device (9) comprises a rotating cam (16) tangent to the surface of the guide roller (7), a rotating motor (17) is arranged on the rack (1), and an output shaft of the rotating motor (17) is connected with the rotating cam (16).
4. A sand separator according to claim 1, wherein: the fine sand discharging device (10) comprises a receiving hopper (18) arranged below the belt surface of the conveying belt (2), the receiving hopper (18) is a combined body with a rectangular bottom and an inclined surface, and a first sand discharging channel (19) is communicated with the inclined surface below the receiving hopper (18) and extends to the outer side of the conveying belt (2).
5. A sand separator according to claim 1, wherein: second building stones discharge mechanism (12) is including setting up keep off (20) with the perpendicular ejection of compact of direction of transfer in the lower one side of conveyer belt (2), the ejection of compact enclose keep off (20) with conveyer belt (2) area tangent and a little more than grit conveyer belt (2) area, second building stones discharge mechanism (12) still includes the ejection of compact encloses fender (20) and keeps away from one side of direction of transfer and is provided with second building stones discharge gate (21), the ejection of compact encloses fender (20) department and still is equipped with supplementary vibrations discharging device (22), supplementary vibrations discharging device (22) are located conveyer belt (2) area below.
6. A sand separator according to claim 5, wherein: supplementary vibrations discharging device (22) are including setting up conveyer belt (2) area face below with fixed plate (23) of frame (1), be equipped with vibrations pole (24) in fixed plate (23), vibrations pole (24) upper end is pressed close to conveyer belt (2) area face, vibrations pole (24) below is equipped with and pushes up and moves cam (26), vibrations pole (24) lower extreme tip is located push up and moves in the protruding stroke of cam (26), be equipped with second motor (27) in frame (1), second motor (27) output with it connects to push up and move cam (26).
7. A sand separator according to claim 6, wherein: the upper end of the vibration rod (24) is provided with a butt joint ball (25), and the butt joint ball (25) is close to the belt surface of the conveying belt (2).
8. A sand separator according to claim 1, wherein: the frame (1) is provided with a protective cover (13) hinged to the periphery of the conveying belt (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920120923.9U CN209935180U (en) | 2019-01-23 | 2019-01-23 | Sand and stone separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920120923.9U CN209935180U (en) | 2019-01-23 | 2019-01-23 | Sand and stone separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209935180U true CN209935180U (en) | 2020-01-14 |
Family
ID=69121520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920120923.9U Expired - Fee Related CN209935180U (en) | 2019-01-23 | 2019-01-23 | Sand and stone separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209935180U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389720A (en) * | 2020-04-10 | 2020-07-10 | 王志奇 | But metallurgical mechanical equipment of automatic sieve ore deposit |
| CN114749262A (en) * | 2022-04-06 | 2022-07-15 | 平湖市恒力机械股份有限公司 | High-efficiency heavy plate type feeding machine driven by double motors |
| CN117680484A (en) * | 2024-01-31 | 2024-03-12 | 甘肃省农业科学院林果花卉研究所 | Orchard soil repair equipment |
| CN117842620A (en) * | 2024-03-01 | 2024-04-09 | 金建工程设计有限公司 | Loading and transporting device for ore exploitation and application method thereof |
-
2019
- 2019-01-23 CN CN201920120923.9U patent/CN209935180U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389720A (en) * | 2020-04-10 | 2020-07-10 | 王志奇 | But metallurgical mechanical equipment of automatic sieve ore deposit |
| CN111389720B (en) * | 2020-04-10 | 2021-08-17 | 武钢资源集团鄂州球团有限公司 | But metallurgical mechanical equipment of automatic sieve ore deposit |
| CN114749262A (en) * | 2022-04-06 | 2022-07-15 | 平湖市恒力机械股份有限公司 | High-efficiency heavy plate type feeding machine driven by double motors |
| CN114749262B (en) * | 2022-04-06 | 2023-09-05 | 平湖市恒力机械股份有限公司 | Dual-motor-driven efficient heavy plate type feeding machine |
| CN117680484A (en) * | 2024-01-31 | 2024-03-12 | 甘肃省农业科学院林果花卉研究所 | Orchard soil repair equipment |
| CN117680484B (en) * | 2024-01-31 | 2024-05-07 | 甘肃省农业科学院林果花卉研究所 | Orchard soil repair equipment |
| CN117842620A (en) * | 2024-03-01 | 2024-04-09 | 金建工程设计有限公司 | Loading and transporting device for ore exploitation and application method thereof |
| CN117842620B (en) * | 2024-03-01 | 2024-05-03 | 金建工程设计有限公司 | Loading and transporting device for ore exploitation and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20200114 |