CN111591678A - Conveying equipment for scraper - Google Patents
Conveying equipment for scraper Download PDFInfo
- Publication number
- CN111591678A CN111591678A CN202010482779.0A CN202010482779A CN111591678A CN 111591678 A CN111591678 A CN 111591678A CN 202010482779 A CN202010482779 A CN 202010482779A CN 111591678 A CN111591678 A CN 111591678A
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- CN
- China
- Prior art keywords
- scraper
- outer frame
- shaped plate
- wall
- belt pulley
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- 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.)
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Classifications
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- 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
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/04—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors for moving bulk material in open troughs or channels
- B65G19/06—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors for moving bulk material in open troughs or channels the impellers being scrapers similar in size and shape to the cross-section of the trough or channel
- B65G19/10—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors for moving bulk material in open troughs or channels the impellers being scrapers similar in size and shape to the cross-section of the trough or channel and attached to a pair of belts, ropes or chains
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- 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
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
-
- 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
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
- B65G19/22—Impellers, e.g. push-plates, scrapers; Guiding means therefor
- B65G19/24—Attachment of impellers to traction element
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- 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
- B65G23/08—Drums, rollers, or wheels with self-contained driving mechanisms, e.g. motors and associated gearing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pusher Or Impeller Conveyors (AREA)
Abstract
The invention provides conveying equipment for a scraper. The method comprises the following steps: an outer frame; the driving motor is arranged on the right side of the bottom of the outer frame; the first belt pulley is fixed at one end of the output shaft of the driving motor; the belt is sleeved on the outer surface of the first belt pulley; and the second belt pulley is in transmission connection with the first belt pulley through the belt. The invention provides conveying equipment for a scraper, which solves the problem of reversion when kinetic energy is lost through an anti-reversion device structure, avoids reverse accumulation and waste of materials, can realize emergency stop of the scraper when a fault occurs, plays a role in protecting the scraper, realizes grading treatment on powdery and blocky materials through disassembling a scraper, has a simple structure, and can timely protect a chain when the scraper fails to prevent the chain from being damaged, so that the scraper cannot be used.
Description
Technical Field
The invention relates to the field of mechanical conveying equipment, in particular to conveying equipment for a scraper.
Background
The scraper is a transportation machine used on the working face of coal mining. The method is mainly used for the crossheading transportation of coal mining working faces and mining areas, and can also be used for driving working faces of coal roadways and semi-coal-rock roadways; the transportation can be carried upwards or downwards, the upward transportation is generally not more than 35 degrees, the downward transportation is generally not more than 25 degrees, and actually not more than 20 degrees is suitable; the scraper conveyor has the advantages that the conveying capacity is not affected by the bulk degree and the humidity of goods, the height of the conveyor body is small, the loading is convenient, the length of the conveyor body is convenient to adjust, the conveyor body is firm and can be used on the working surface of a medium and the like, and therefore the scraper conveyor is widely used in multi-town coal mines.
The scraper is when transporting the material, fill with the material in going up the winnowing pan, and the bottom has unloaded the material, after scraper power is interrupted suddenly in work, scraper must take place to reverse because of the action of gravity, the material is unloaded the bottom of scraper along with the reversal of winnowing pan, block the winnowing pan until piling up the back, also make the unable start-up of scraper, lead to the damage of machine, influence work efficiency, the scraper blade of traditional scraper bottom is to likepowder material in addition, be difficult to realize carrying, thereby lead to the waste of material.
Therefore, it is necessary to provide a conveying apparatus for a scraper to solve the above technical problems.
Disclosure of Invention
The invention provides conveying equipment for a scraper, which solves the problem that the scraper is reversed due to gravity.
In order to solve the above technical problem, the present invention provides a conveying apparatus for a scraper, comprising: an outer frame;
the driving motor is arranged on the right side of the bottom of the outer frame;
the first belt pulley is fixed at one end of the output shaft of the driving motor;
the belt is sleeved on the outer surface of the first belt pulley;
the second belt pulley is in transmission connection with the first belt pulley through the belt;
the connecting shaft is rotatably connected to the outer frame;
the gear is fixedly connected to one end of the connecting shaft;
the limiting groove is formed in one side of the gear;
the movable groove is formed in the inner wall of the left side of the outer frame;
prevent the reversion device, prevent the reversion device set up in the left side of frame, prevent the reversion device and include: the spring is sleeved on the outer surface of the L-shaped plate, the outer surface of the L-shaped plate is fixedly connected with a limiting block, a groove is formed in one end of the L-shaped plate, and a handle is arranged on the L-shaped plate;
clamping device, clamping device is fixed in one side of frame, clamping device includes: the limiting box is fixedly connected with a movable rod inside, a movable spring is sleeved on the outer surface of the movable rod, the top of the limiting box is connected with a connecting rod in a sliding mode, a limiting spring is sleeved on the outer surface of the connecting rod, and a baffle is fixedly connected to the outer surface of the connecting rod;
the chain is meshed with the outer surface of the gear;
the scraper device is fixed on the chain and comprises an upper scraper and a lower scraper, a fixing groove is formed in one side of the upper scraper, a nut is fixedly connected to one side of the lower scraper, and a bolt is connected to the nut in a threaded mode.
Preferably, the number of the gears is four, the four gears are symmetrically distributed on the inner side of the outer frame, the four gears are matched with the two chains for use, and two ends of the upper scraper are fixedly connected between two opposite sides of the two chains.
Preferably, the spring is arranged between one side of the inner wall of the movable groove and the side opposite to the limiting block, and one end of the L-shaped plate penetrates through the inside of the movable groove and extends to the inside of the outer frame.
Preferably, one end of the L-shaped plate penetrates through the outer wall of the limiting box and extends to the inside of the limiting box, and the movable rod penetrates through the inside of the L-shaped plate and extends to the inner wall of the limiting box.
Preferably, the movable spring is arranged between the outer surface of the L-shaped plate and one side, opposite to the inner wall of the limiting box, and the handle is fixedly connected to the left end of the outer surface of the L-shaped plate.
Preferably, the connecting rod runs through the inner wall of the limiting box and extends to the outside of the limiting box, and the limiting spring is arranged between one side of the inner wall of the limiting box and the side opposite to the baffle.
Preferably, one end of the connecting shaft penetrates through the inner wall of the outer frame and extends to the outer wall of the outer frame, and the end, extending to the outside of the outer frame, of the connecting shaft is fixedly connected with the second belt pulley.
Compared with the related art, the conveying equipment for the scraper machine provided by the invention has the following beneficial effects:
the invention provides conveying equipment for a scraper, which solves the problem of reversion when kinetic energy is lost through an anti-reversion device structure, avoids reverse accumulation and waste of materials, can realize emergency stop of the scraper when a fault occurs, plays a role in protecting the scraper, realizes grading treatment on powdery and blocky materials through disassembling a scraper, has a simple structure, and can timely protect a chain when the scraper fails to prevent the chain from being damaged, so that the scraper cannot be used.
Drawings
FIG. 1 is a schematic structural view of a conveying apparatus for a scraper conveyor according to a preferred embodiment of the present invention;
FIG. 2 is a side view of the outer frame shown in FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is an enlarged schematic view of a portion B shown in fig. 2.
Reference numbers in the figures: 1. the outer frame, 2, driving motor, 3, first belt pulley, 4, the belt, 5, the second belt pulley, 6, the connecting axle, 7, the gear, 8, the spacing groove, 9, the activity groove, 10, prevent reversing device, 101, the L template, 102, the spring, 103, the stopper, 104, the recess, 105, the handle, 11, latch device, 111, spacing case, 112, the movable rod, 113, the activity spring, 114, the connecting rod, 115, the spacing spring, 116, the baffle, 12, the chain, 13, scraper means, 131, last scraper blade, 132, lower scraper blade, 133, the fixed slot, 134, the nut, 135, the bolt.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a conveying apparatus for a scraper machine according to a preferred embodiment of the present invention; FIG. 2 is a side view of the outer frame shown in FIG. 1; FIG. 3 is an enlarged view of portion A of FIG. 2; fig. 4 is an enlarged schematic view of a portion B shown in fig. 2. A conveying apparatus for a scraper includes: an outer frame 1;
the driving motor 2 is arranged on the right side of the bottom of the outer frame 1;
the first belt pulley 3 is fixed at one end of an output shaft of the driving motor 2;
the belt 4 is sleeved on the outer surface of the first belt pulley 3;
the second belt pulley 5 is in transmission connection with the first belt pulley 3 through the belt 4;
the connecting shaft 6 is rotatably connected to the outer frame 1;
the gear 7 is fixedly connected to one end of the connecting shaft 6;
the limiting groove 8 is formed in one side of the gear 7;
the movable groove 9 is formed in the inner wall of the left side of the outer frame 1;
an anti-reverse device 10, the anti-reverse device 10 is disposed on the left side of the outer frame 1, the anti-reverse device 10 includes: the spring 102 is sleeved on the outer surface of the L-shaped plate 101, the outer surface of the L-shaped plate 101 is fixedly connected with a limiting block 103, a groove 104 is formed in one end of the L-shaped plate 101, and a handle 105 is arranged on the L-shaped plate 101;
a chain 12, wherein the chain 12 is meshed with the outer surface of the gear 7;
the scraper device 13 is fixed on the chain 12, the scraper device 13 comprises an upper scraper 131 and a lower scraper 132, a fixing groove 133 is formed in one side of the upper scraper 131, a nut 134 is fixedly connected to one side of the lower scraper 132, and the nut 134 is in threaded connection with a bolt 135.
External power source and control switch are connected to driving motor 2, first belt pulley 3 and second belt pulley 5 and belt 4 looks adaptation, whole device is equipped with two connecting axles 6, the both ends of two connecting axles 6 all are provided with two gears 7, four gears 7 are through two liang of connections of two chains 12, the one end of L template 101 and gear 7 contact sets up the arc, the other end of L template 101 also sets the arc, make things convenient for the connection and the 11 joints of latch device of L template 101, realize spacing to the L template through connecting rod 114 on spacing box 111.
The number of the gears 7 is four, the four gears 7 are symmetrically distributed on the inner side of the outer frame 1, the four gears 7 are matched with the two chains 12, and two ends of the upper scraper 131 are fixedly connected between two opposite sides of the two chains 12.
The gears 7 are distributed at four corners of the outer frame 1, the scraper devices 13 are fixed between the two chains 12, the scraper devices 13 are uniformly distributed on the chains 12, the upper scraper 131 is fixed with the chains 12, and the lower scraper 132 is fixed with the upper scraper 131, so that the outer frame is convenient to disassemble.
The spring 102 is arranged between one side of the inner wall of the movable groove 9 and the side opposite to the limiting block 103, and one end of the L-shaped plate 101 penetrates through the inside of the movable groove 9 and extends to the inside of the outer frame 1.
One end of the spring 102 is fixed with one side of the inner surface of the movable groove 9, the other end of the spring 102 is fixed with the limiting block 103, so that the movement of the L-shaped plate 101 is facilitated, and the L-shaped plate 101 penetrates through the limiting box 111 to limit the L-shaped plate.
One end of the L-shaped plate 101 penetrates through the outer wall of the limit box 111 and extends to the inside of the limit box 111, and the movable rod 112 penetrates through the inside of the L-shaped plate 101 and extends to the inner wall of the limit box 111.
The movable spring 113 is arranged between the outer surface of the L-shaped plate 101 and the side opposite to the inner wall of the limiting box, and the handle 105 is fixedly connected to the left end of the outer surface of the L-shaped plate 101.
One end of a movable spring 113 is fixed on the outer surface of the L-shaped plate, the L-shaped plate can move on the movable rod 112 due to the elasticity of the movable spring 113, and the handle 105 is used for manually moving the L-shaped plate 101 so as to clamp the bottom end of the connecting rod 114.
The connecting rod 114 penetrates through the inner wall of the limit box 111 and extends to the outside of the limit box 111, and the limit spring 115 is arranged between one side of the inner wall of the limit box 111 and the side opposite to the baffle 116.
The bottom of connecting rod 114 sets to the arc, is convenient for slide with the bottom of L template 101, lets connecting rod 114 slide to recess 104 joint, and the top of connecting rod 114 sets up the handle.
One end of the connecting shaft 6 penetrates through the inner wall of the outer frame 1 and extends to the outer wall of the outer frame 1, and one end, extending to the outside of the outer frame 1, of the connecting shaft 6 is fixedly connected with the second belt pulley 5.
The connecting shaft 6 close to one end of the driving motor 2 penetrates through the outer frame 1, the connecting shaft 6 far away from the end of the driving motor 2 is rotatably connected with two sides of the inner wall of the outer frame 1, and the connecting shaft 6 is connected with the second belt pulley 5 to provide kinetic energy for the whole device.
The working principle of the conveying equipment for the scraper machine provided by the invention is as follows:
external power source and control switch are connected to driving motor 2, start driving motor 2, driving motor 2 drives first belt pulley 3 and rotates, make second belt pulley 5 rotate through belt 4, second belt pulley 5 drives connecting axle 6 and rotates, two gears 7 of the both ends fixedly connected with of connecting axle 6, spacing groove 8 is seted up to one side of left side gear 7, gear 7 rotates the back, it removes in activity groove 9 to drive L template 101, the last spacing block 103 spring 102 of L template 101 all sets up in activity groove 9, the other end of L template 101 is fixed in spacing box 111, L template 101 moves on movable rod 112, the surface meshing of two gears 7 has two chains 12, fixed connection scraper means 13 between two chains 12.
When scraping trigger and breaking down, when taking place to reverse, the one end of L template 101 blocks with spacing groove 8 on the gear 7, make gear 7 can not rotate, protection device, when wanting to realize the device and reversing, when starting driving motor 2, only need will drag handle 105, make one side on the top of L template 101 and the connecting rod 114 bottom end back at spacing case 111 top, connecting rod 114 compresses spacing spring 115, after recess 104 on L template top and the bottom contact of connecting rod 114, spacing spring 115 replies, make L template 101 and the complete joint of connecting rod, can realize scraping trigger's rotation.
Fixing groove 133 has all been seted up to the both sides on scraper blade device 13's last scraper blade 131's top, fixing groove 133's inside be provided with the screw hole of bolt 135 adaptation, the bottom fixed connection of lower scraper blade 132 nut 134, through rotating bolt 135, it is fixed to make bolt 135, nut 134 and fixing groove, thereby it fixes to make last scraper blade 131 and lower scraper blade 132, be favorable to realizing the change to each scraper blade, reach the material of carrying various different shapes, make the transport of scraper blade machine more comprehensive.
Compared with the related art, the conveying equipment for the scraper machine provided by the invention has the following beneficial effects:
the invention provides conveying equipment for a scraper, which solves the problem of reversion when kinetic energy is lost through the structure of an anti-reversion device 10, avoids reverse accumulation and waste of materials, can realize emergency stop of the scraper when a fault occurs by a clamping device 11, plays a role in protecting the scraper, realizes classification treatment of powdery and blocky materials by disassembling a scraper device 13, has a simple structure, and can timely protect chains when the scraper fails, so as to prevent the chains from being damaged and prevent the scraper from being incapable of use.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A conveying apparatus for a scraper, comprising: an outer frame 1;
the driving motor 2 is arranged on the right side of the bottom of the outer frame 1;
the first belt pulley 3 is fixed at one end of an output shaft of the driving motor 2;
the belt 4 is sleeved on the outer surface of the first belt pulley 3;
the second belt pulley 5 is in transmission connection with the first belt pulley 3 through the belt 4;
the connecting shaft 6 is rotatably connected to the outer frame 1;
the gear 7 is fixedly connected to one end of the connecting shaft 6;
the limiting groove 8 is formed in one side of the gear 7;
the movable groove 9 is formed in the inner wall of the left side of the outer frame 1;
an anti-reverse device 10, the anti-reverse device 10 is disposed on the left side of the outer frame 1, the anti-reverse device 10 includes: the spring 102 is sleeved on the outer surface of the L-shaped plate 101, the outer surface of the L-shaped plate 101 is fixedly connected with a limiting block 103, a groove 104 is formed in one end of the L-shaped plate 101, and a handle 105 is arranged on the L-shaped plate 101;
latch 11, latch 11 is fixed in one side of frame 1, latch 11 includes: the inner part of the limit box 111 is fixedly connected with a movable rod 112, the outer surface of the movable rod 112 is sleeved with a movable spring 113, the top of the limit box 111 is connected with a connecting rod 114 in a sliding manner, the outer surface of the connecting rod 114 is sleeved with a limit spring 115, and the outer surface of the connecting rod 114 is fixedly connected with a baffle 116;
a chain 12, wherein the chain 12 is meshed with the outer surface of the gear 7;
the scraper device 13 is fixed on the chain 12, the scraper device 13 comprises an upper scraper 131 and a lower scraper 132, a fixing groove 133 is formed in one side of the upper scraper 131, a nut 134 is fixedly connected to one side of the lower scraper 132, and the nut 134 is in threaded connection with a bolt 135.
2. The conveying equipment for scraper machine according to claim 1, characterized in that there are four gears 7, four gears 7 are symmetrically distributed on the inner side of the outer frame 1, four gears 7 are used in cooperation with two chains 12, and two ends of the upper scraper 131 are fixedly connected between two opposite sides of two chains 12.
3. The conveying equipment for the scraper machine according to claim 1, characterized in that the spring 102 is disposed between one side of the inner wall of the movable groove 9 and the side opposite to the stopper 103, and one end of the L-shaped plate 101 penetrates through the inside of the movable groove 9 and extends to the inside of the outer frame 1.
4. The conveying equipment for the scraper machine according to claim 1, wherein one end of the L-shaped plate 101 penetrates through the outer wall of the limit box 111 and extends to the inside of the limit box 111, and the movable rod 112 penetrates through the inside of the L-shaped plate 101 and extends to the inner wall of the limit box 111.
5. The conveying apparatus for the scraper according to claim 1, wherein the movable spring 113 is disposed between the outer surface of the L-shaped plate 101 and the side opposite to the inner wall of the position-limiting box, and the handle 105 is fixedly attached to the left end of the outer surface of the L-shaped plate 101.
6. The conveying apparatus for the scraper according to claim 1, wherein the connecting rod 114 penetrates through an inner wall of the limit box 111 and extends to an outside of the limit box 111, and the limit spring 115 is disposed between a side of the inner wall of the limit box 111 opposite to the baffle 116.
7. The conveying equipment for the scraper machine as claimed in claim 1, wherein one end of the connecting shaft 6 penetrates through the inner wall of the outer frame 1 and extends to the outer wall of the outer frame 1, and one end of the connecting shaft 6 extending to the outside of the outer frame 1 is fixedly connected with the second belt pulley 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010482779.0A CN111591678A (en) | 2020-06-01 | 2020-06-01 | Conveying equipment for scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010482779.0A CN111591678A (en) | 2020-06-01 | 2020-06-01 | Conveying equipment for scraper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111591678A true CN111591678A (en) | 2020-08-28 |
Family
ID=72186000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010482779.0A Withdrawn CN111591678A (en) | 2020-06-01 | 2020-06-01 | Conveying equipment for scraper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111591678A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2637415Y (en) * | 2003-08-05 | 2004-09-01 | 黄美华 | Scraper chain of drag-flighting conveyor |
| JP2009149445A (en) * | 2007-11-02 | 2009-07-09 | Asahi Kiso Kk | Chain device for sludge scraping apparatus |
| CN103216715A (en) * | 2013-04-27 | 2013-07-24 | 贵州航天特种车有限责任公司 | Universal lifting supporting leg |
| CN107555081A (en) * | 2017-10-12 | 2018-01-09 | 长兴昊太机械有限公司 | A kind of mine flight conveyer |
| CN207726156U (en) * | 2017-12-27 | 2018-08-14 | 韩祥 | A kind of scratch board conveyor for coal mine |
| CN207844249U (en) * | 2018-02-10 | 2018-09-11 | 赣州天文磁业有限公司 | A kind of reversible magnetic material transmission rail |
| CN208165415U (en) * | 2018-03-01 | 2018-11-30 | 赣州天绿生化科技有限公司 | A kind of navel orange piece is packed for sorting machine |
| CN209973471U (en) * | 2019-05-05 | 2020-01-21 | 无锡沃德科自控技术有限公司 | Scrape trigger fault identification response alarm device |
-
2020
- 2020-06-01 CN CN202010482779.0A patent/CN111591678A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2637415Y (en) * | 2003-08-05 | 2004-09-01 | 黄美华 | Scraper chain of drag-flighting conveyor |
| JP2009149445A (en) * | 2007-11-02 | 2009-07-09 | Asahi Kiso Kk | Chain device for sludge scraping apparatus |
| CN103216715A (en) * | 2013-04-27 | 2013-07-24 | 贵州航天特种车有限责任公司 | Universal lifting supporting leg |
| CN107555081A (en) * | 2017-10-12 | 2018-01-09 | 长兴昊太机械有限公司 | A kind of mine flight conveyer |
| CN207726156U (en) * | 2017-12-27 | 2018-08-14 | 韩祥 | A kind of scratch board conveyor for coal mine |
| CN207844249U (en) * | 2018-02-10 | 2018-09-11 | 赣州天文磁业有限公司 | A kind of reversible magnetic material transmission rail |
| CN208165415U (en) * | 2018-03-01 | 2018-11-30 | 赣州天绿生化科技有限公司 | A kind of navel orange piece is packed for sorting machine |
| CN209973471U (en) * | 2019-05-05 | 2020-01-21 | 无锡沃德科自控技术有限公司 | Scrape trigger fault identification response alarm device |
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| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200828 |
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| WW01 | Invention patent application withdrawn after publication |