CN106241194A - A kind of mine ore hoist stone elevator - Google Patents
A kind of mine ore hoist stone elevator Download PDFInfo
- Publication number
- CN106241194A CN106241194A CN201610724810.0A CN201610724810A CN106241194A CN 106241194 A CN106241194 A CN 106241194A CN 201610724810 A CN201610724810 A CN 201610724810A CN 106241194 A CN106241194 A CN 106241194A
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- CN
- China
- Prior art keywords
- ore
- elevator
- support
- board
- plate
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/58—Belts or like endless load-carriers with means for holding or retaining the loads in fixed position, e.g. magnetic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
- B65G21/02—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors consisting essentially of struts, ties, or like structural elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/02—Belt- or chain-engaging elements
- B65G23/04—Drums, rollers, or wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/24—Gearing between driving motor and belt- or chain-engaging elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G41/00—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames
- B65G41/006—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames with the conveyor not adjustably mounted on the supporting frame or base
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/02—Devices for feeding articles or materials to conveyors
- B65G47/16—Devices for feeding articles or materials to conveyors for feeding materials in bulk
- B65G47/18—Arrangements or applications of hoppers or chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses a kind of mine ore hoist stone elevator, including board, support and pedestal, the inner chamber of described board is equidistantly connected by rotating shaft transfer wheel, on the conveyer belt that the outer surface of described transfer wheel is wound with, there is Ore position-limit mechanism equidistant connection, and the bottom of described board is connected with support by the shock-absorbing support mechanism being provided with.The present invention can improve the overall anti-seismic performance of elevator and stability, make this elevator more durable, elevator is prevented to be given a shock abrasion in use, while extending this elevator whole service life, can in Ore lifting process, Ore be carried out spacing, avoid Ore to occur to depart from elevator body when promoting and occur injuring by a crashing object the situation of people, thus improve the safety that this elevator uses.
Description
Technical field
The present invention relates to mining machinery technical field, be specially a kind of mine ore hoist stone elevator.
Background technology
Elevator is by changing the heavy mechanical equipment that potential energy carries out transporting, and such as mine hoist, crosses dam elevator etc..
And ore hoist is a kind of to be promoted by Ore, it is simple to the auxiliary equipment of the work such as broken processing carrying out Ore, with
The progress in nowadays market and the development of mining machinery, market occurs in that different types of ore hoist.
But, ore hoist poor stability the most on the market, usually can produce when Ore promotes and rock greatly,
Making Ore usually can occur to depart from elevator body and occur injuring by a crashing object the situation of people, have certain potential safety hazard, safety is low,
And owing to the strongest rocks so that elevator entirety is given a shock abrasion, thus have impact on the service life of elevator, contracting
Subtract the service life of elevator, it is difficult to meet the use demand of market and mine operation.
Summary of the invention
It is an object of the invention to provide a kind of mine ore hoist stone elevator, possess good stability, safety
Height, durable, service life length advantage, solve poor stability, safety is low, the problem that service life is short.
For achieving the above object, the present invention provides following technical scheme:
A kind of mine ore hoist stone elevator, including board, support and pedestal, the inner chamber of described board is by rotating shaft etc.
It is socketed with pinion, the appearance of described transfer wheel away from the position that connection has transfer wheel, one end of described rotating shaft to stretch out board front
On the conveyer belt that face is wound with, equidistant connection has Ore position-limit mechanism, described Ore position-limit mechanism to include Ore supporting plate, even block, gear
Plate and circular hole, the side of described Ore supporting plate is connected with belt outer surface by even block, and the opposite side of Ore supporting plate connects to be had
Baffle plate, the surface of Ore supporting plate and baffle plate all offers the circular hole of dense distribution.
The front of described board is positioned at the position of pinion side and is provided with equipment gear, the side of described pinion and auxiliary
Gear is meshed, and the bottom of described board is connected with support by the shock-absorbing support mechanism being provided with, and described shock-absorbing support mechanism wraps
Including pole, through hole, gripper shoe, reinforcement block and cushion, the surface of described pole offers the through hole of dense distribution, the one of pole
End is connected with bottom board, and the other end of pole is connected with gripper shoe top by reinforcement block, the surface bottom described gripper shoe
It is connected with support by cushion.
The side of described support is provided with pedestal, and the top of described pedestal is respectively equipped with motor and riser from bottom to up, described
The power transmission shaft outer surface of motor is socketed with and engages the driving gear connected with equipment gear, and the bottom of described riser connects with pedestal
The position touched connects locating piece, and the top of riser is connected by securing plate Ore feeding table, the ore deposit of described Ore feeding table
Stone exit position is positioned at the top of pinion.
Preferably, the side bottom described gripper shoe connects particle collection table, and the inwall of particle collection table is provided with resistance to
Mill layer.
Preferably, bottom the support body of described support, connection has equidistant connection inside non-slipping block, and the support body of support to have cross bar.
Preferably, the surface that the position that the bottom of described motor contacts with pedestal is provided with bottom backing plate, and backing plate is provided with
Striped.
Preferably, the position that the inner surface of described securing plate contacts with Ore feeding table outer surface is provided with protective pad, and adds
Gu plate is arranged in a mutually vertical manner with riser.
Compared with prior art, beneficial effects of the present invention is as follows:
1, the present invention is by arranging Ore position-limit mechanism and shock-absorbing support mechanism, it is possible to increase substantially the antidetonation that elevator is overall
Performance and stability so that this elevator is more durable, reduce the elevator when Ore promotes largely
Overall vibrations yield, it is therefore prevented that elevator is given a shock abrasion in use, effectively extends this elevator entirety and uses the longevity
While life, it is possible in Ore lifting process, Ore is carried out spacing, it is to avoid Ore occurs when promoting to depart from elevator machine
There is injuring by a crashing object the situation of people in body, thus safety that this elevator use is greatly improved, have highly use value and
Promotional value.
2, the present invention can reduce, by backing plate, the vibrations that motor produces in the running, thus further increases this lifting
The anti-seismic performance of machine, the particle collection table of employing can quickly collect the Ore of Ore supporting plate surface detention, it is to avoid Ore chip
Too much is trapped on this elevator body, and by non-slipping block and the cooperation of cross bar, it is possible to increase support is overall and carries
The stability that the machine of liter is overall, it is to avoid the phenomenon of displacement occurs in this elevator in use, thus is conducive to the use of this elevator,
Simultaneously by equipment gear, driving gear and the cooperation of pinion, it is possible to increase in this elevator between transfer wheel and conveyer belt
The lifting force produced, thus the lifting operation of beneficially Ore.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is structure enlarged diagram at the A of Fig. 1 of the present invention.
In figure: 1 board, 2 rotating shafts, 3 transfer wheels, 4 conveyer belts, 5 equipment gears, 6 pinions, 7 Ore position-limit mechanisms, 71 ore deposits
Stone supporting plate, 72 even block, 73 baffle plates, 74 circular holes, 8 shock-absorbing support mechanisms, 81 poles, 82 through holes, 83 gripper shoes, 831 particles collections
Platform, 84 reinforcement blocks, 85 cushions, 9 supports, 91 non-slipping blocks, 92 cross bars, 10 pedestals, 11 motors, 111 backing plates, 12 power transmission shafts, 13
Driving gear, 14 risers, 141 locating pieces, 15 securing plates, 151 protective pad, 16 Ore feeding tables.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1-2, a kind of mine ore hoist stone elevator, including board 1, support 9 and pedestal 10, board
The inner chamber of 1 equidistantly connects, by rotating shaft 2, the position having transfer wheel 3, one end of rotating shaft 2 to stretch out board 1 front and is socketed with pinion
6, on the conveyer belt 4 that the outer surface of transfer wheel 3 is wound with, there is Ore position-limit mechanism 7 equidistant connection.
Ore position-limit mechanism 7 includes Ore supporting plate 71, even block 72, baffle plate 73 and circular hole 74, by Ore supporting plate 71, even block
72, baffle plate 73 and circular hole 74, it is possible in Ore lifting process, Ore is carried out spacing, it is to avoid Ore departs from when promoting
There is injuring by a crashing object the situation of people in elevator body, thus safety that this elevator use is greatly improved, Ore supporting plate 71
Side is connected with conveyer belt 4 outer surface by even block 72, and the opposite side of Ore supporting plate 71 connects baffle plate 73, Ore supporting plate 71 He
The surface of baffle plate 73 all offers the circular hole 74 of dense distribution, and this circular hole 74 can strengthen Ore supporting plate 71 and the entirety of baffle plate 73
Intensity.
The front of board 1 is positioned at the position of pinion 6 side and is provided with equipment gear 5, the side of pinion 6 and equipment gear
5 are meshed, and the bottom of board 1 is connected with support 9 by the shock-absorbing support mechanism 8 being provided with, and shock-absorbing support mechanism 8 includes pole
81, through hole 82, gripper shoe 83, reinforcement block 84 and cushion 85, by pole 81, through hole 82, gripper shoe 83, reinforcement block 84 with subtract
Shake pad 85, it is possible to increase substantially the overall anti-seismic performance of elevator and stability so that this elevator is the most solid resistance to
With, reduce the vibrations yield that elevator is overall when Ore promotes largely, it is therefore prevented that elevator is subject in use
Vibrations abrasion, effectively extends this elevator whole service life, and the surface of pole 81 offers the through hole 82 of dense distribution,
One end of bar 81 is connected bottom board 1, and the other end of pole 81 is connected with gripper shoe 83 top by reinforcement block 84, gripper shoe
Side bottom 83 connects particle collection table 831, and the particle collection table 831 of employing can quickly collect Ore supporting plate 71 surface
The Ore being detained, it is to avoid what Ore chip was too much is trapped on this elevator body, and the inwall of particle collection table 831 is provided with resistance to
Mill layer, this wearing layer can reduce the abrasion that particle collection table 831 is suffered when particle is derived, the surface bottom gripper shoe 83
It is connected with support 9 by cushion 85.
Connect bottom the support body of support 9 and have equidistant connection inside non-slipping block 91, and the support body of support 9 to have cross bar 92, pass through
Non-slipping block 91 and the cooperation of cross bar 92, it is possible to increase the stability that support 9 is overall and elevator is overall, it is to avoid in use
There is the phenomenon of displacement in this elevator, thus is conducive to the use of this elevator.
The side of support 9 is provided with pedestal 10, and the top of pedestal 10 is respectively equipped with motor 11 and riser 14, motor from bottom to up
The position that the bottom of 11 contacts with pedestal 10 is provided with backing plate 111, can reduce motor 11 by backing plate 111 and produce in the running
Vibrations, thus further increase the surface bottom the anti-seismic performance of this elevator, and backing plate 111 and be provided with striped, this striped
Backing plate 111 can be improved and be positioned at stability and the steadiness at pedestal 10 top, power transmission shaft 12 outer surface of motor 11 be socketed with
Equipment gear 5 engages the driving gear 13 connected, by equipment gear 5, driving gear 13 and the cooperation of pinion 6, it is possible to carry
The lifting force produced between transfer wheel 3 and conveyer belt 4 in this elevator high, thus the lifting operation of beneficially Ore.
The position that the bottom of riser 14 contacts with pedestal 10 is connected locating piece 141, and locating piece 141 can improve riser
The steadiness of 14 entirety, the top of riser 14 is connected by securing plate 15 Ore feeding table 16, the Ore of Ore feeding table 16
Exit position is positioned at the top of pinion 6, and the position that the inner surface of securing plate 15 contacts with Ore feeding table 16 outer surface sets
There are protective pad 151, protective pad 151 can improve between Ore feeding table 16 and securing plate 15 while steadiness, it is possible to reduce and reinforce
Abrasion between plate 15 and Ore feeding table 16, and securing plate 15 is arranged in a mutually vertical manner with riser 14.
During use, start motor 11, Ore is placed on conveyer belt 4, by motor 11 by Ore feeding table 16
Under power transmission shaft 12 drives, the effect utilizing driving gear 13, equipment gear 5 and pinion 6 engagement to connect drives transfer wheel 3 to realize
Circumference rotates, thus driving conveying belt 4 circumference rotates so that Ore supporting plate 71 moves, and carries out promoting by Ore, is promoting
During support 9, shock-absorbing support mechanism 8 this elevator entirety carried out damping increase steady effect.
In sum: the durable type ore hoist that this mine good stability safety is high, spacing by arranging Ore
Mechanism 7 and shock-absorbing support mechanism 8, it is possible to increase substantially the overall anti-seismic performance of elevator and stability so that this carries
The machine of liter is more durable, reduces the vibrations yield that elevator is overall when Ore promotes largely, it is therefore prevented that promote
Machine is given a shock abrasion in use, while effectively extending this elevator whole service life, it is possible to promoted at Ore
Ore is carried out spacing by journey, it is to avoid Ore occurs to depart from elevator body and occurs injuring by a crashing object the situation of people when promoting, thus greatly
Amplitude improves the safety that this elevator uses, and has use value and promotional value highly, solves poor stability, peace
Full property is low, the problem that service life is short.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (5)
1. a mine ore hoist stone elevator, including board (1), support (9) and pedestal (10), it is characterised in that:
The inner chamber of described board (1) is equidistantly connected by rotating shaft (2) has transfer wheel (3), one end of described rotating shaft (2) to stretch out board (1)
The position in front is socketed with pinion (6), and the conveyer belt (4) that the outer surface of described transfer wheel (3) is wound with upper equidistant connection has
Ore position-limit mechanism (7), described Ore position-limit mechanism (7) includes Ore supporting plate (71), even block (72), baffle plate (73) and circular hole
(74), the side of described Ore supporting plate (71) is connected with conveyer belt (4) outer surface by even block (72), Ore supporting plate (71) another
Side connects the circular hole (74) having baffle plate (73), the surface of Ore supporting plate (71) and baffle plate (73) all to offer dense distribution；
The front of described board (1) is positioned at the position of pinion (6) side and is provided with equipment gear (5), the one of described pinion (6)
Side is meshed with equipment gear (5), and the bottom of described board (1) is by the shock-absorbing support mechanism (8) being provided with and support (9) phase
Even, described shock-absorbing support mechanism (8) includes pole (81), through hole (82), gripper shoe (83), reinforcement block (84) and cushion
(85), the surface of described pole (81) offers the through hole (82) of dense distribution, one end of pole (81) and board (1) bottom phase
Even, the other end of pole (81) is connected with gripper shoe (83) top by reinforcement block (84), the table of described gripper shoe (83) bottom
Face is connected with support (9) by cushion (85)；
The side of described support (9) is provided with pedestal (10), and the top of described pedestal (10) is respectively equipped with motor (11) from bottom to up
With riser (14), power transmission shaft (12) outer surface of described motor (11) is socketed with and engages, with equipment gear (5), the driving tooth connected
Wheel (13), the position that the bottom of described riser (14) contacts with pedestal (10) is connected locating piece (141), the top of riser (14)
Portion is connected by securing plate (15) has Ore feeding table (16), the Ore exit position of described Ore feeding table (16) to be positioned at secondary tooth
The top of wheel (6).
A kind of mine the most according to claim 1 ore hoist stone elevator, it is characterised in that: described gripper shoe
(83) side of bottom connects particle collection table (831), and the inwall of particle collection table (831) is provided with wearing layer.
A kind of mine the most according to claim 1 ore hoist stone elevator, it is characterised in that: described support (9)
Support body bottom connect and have inside non-slipping block (91), and the support body of support (9) equidistant connection have cross bar (92).
A kind of mine the most according to claim 1 ore hoist stone elevator, it is characterised in that: described motor (11)
The position that contacts with pedestal (10), bottom be provided with backing plate (111), and the surface of backing plate (111) bottom is provided with striped.
A kind of mine the most according to claim 1 ore hoist stone elevator, it is characterised in that: described securing plate
(15) position that inner surface contacts with Ore feeding table (16) outer surface is provided with protective pad (151), and securing plate (15) is with vertical
Plate (14) is arranged in a mutually vertical manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610724810.0A CN106241194B (en) | 2016-08-26 | 2016-08-26 | A kind of mine ore hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610724810.0A CN106241194B (en) | 2016-08-26 | 2016-08-26 | A kind of mine ore hoist |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106241194A true CN106241194A (en) | 2016-12-21 |
| CN106241194B CN106241194B (en) | 2018-07-17 |
Family
ID=57594784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610724810.0A Expired - Fee Related CN106241194B (en) | 2016-08-26 | 2016-08-26 | A kind of mine ore hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106241194B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108750539A (en) * | 2018-06-06 | 2018-11-06 | 利辛县风雅颂机电科技有限公司 | A kind of mine gravel transport device with springing mechanism |
| CN112265781A (en) * | 2020-09-15 | 2021-01-26 | 温州职业技术学院 | Nonstandard automation equipment for feeding |
| CN113844841A (en) * | 2021-08-17 | 2021-12-28 | 宋世豪 | Mine hoisting device of high stability |
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|---|---|---|---|---|
| KR20040042020A (en) * | 2002-11-12 | 2004-05-20 | 이상만 | Floating belt-conveyer |
| CN102862815A (en) * | 2011-07-08 | 2013-01-09 | 贵州航天风华精密设备有限公司 | Screening and delivering device for kitchen waste processing equipment |
| CN203255624U (en) * | 2013-02-06 | 2013-10-30 | Abb技术有限公司 | Conveying line |
| CN204237108U (en) * | 2014-11-05 | 2015-04-01 | 重庆汉盾防火材料有限公司 | Fire-retardant paint bont |
| CN205274447U (en) * | 2015-11-05 | 2016-06-01 | 湖北天宜机械股份有限公司 | Take buffer's apron conveyer |
| CN206032395U (en) * | 2016-08-26 | 2017-03-22 | 无锡市恒达矿山机械有限公司 | Ore hoist is used in mine |
-
2016
- 2016-08-26 CN CN201610724810.0A patent/CN106241194B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040042020A (en) * | 2002-11-12 | 2004-05-20 | 이상만 | Floating belt-conveyer |
| CN102862815A (en) * | 2011-07-08 | 2013-01-09 | 贵州航天风华精密设备有限公司 | Screening and delivering device for kitchen waste processing equipment |
| CN203255624U (en) * | 2013-02-06 | 2013-10-30 | Abb技术有限公司 | Conveying line |
| CN204237108U (en) * | 2014-11-05 | 2015-04-01 | 重庆汉盾防火材料有限公司 | Fire-retardant paint bont |
| CN205274447U (en) * | 2015-11-05 | 2016-06-01 | 湖北天宜机械股份有限公司 | Take buffer's apron conveyer |
| CN206032395U (en) * | 2016-08-26 | 2017-03-22 | 无锡市恒达矿山机械有限公司 | Ore hoist is used in mine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108750539A (en) * | 2018-06-06 | 2018-11-06 | 利辛县风雅颂机电科技有限公司 | A kind of mine gravel transport device with springing mechanism |
| CN112265781A (en) * | 2020-09-15 | 2021-01-26 | 温州职业技术学院 | Nonstandard automation equipment for feeding |
| CN113844841A (en) * | 2021-08-17 | 2021-12-28 | 宋世豪 | Mine hoisting device of high stability |
| CN113844841B (en) * | 2021-08-17 | 2024-02-27 | 宋世豪 | Mine hoisting device with high stability |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106241194B (en) | 2018-07-17 |
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Granted publication date: 20180717 Termination date: 20190826 |