CN209242161U - It is a kind of to fix stronger grain absorber - Google Patents
It is a kind of to fix stronger grain absorber Download PDFInfo
- Publication number
- CN209242161U CN209242161U CN201821934421.1U CN201821934421U CN209242161U CN 209242161 U CN209242161 U CN 209242161U CN 201821934421 U CN201821934421 U CN 201821934421U CN 209242161 U CN209242161 U CN 209242161U
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- grain
- pressure spring
- lock lever
- support
- check lock
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Abstract
The utility model is suitable for agricultural machinery technological field, it provides and a kind of fixes stronger grain absorber, including locking assembly, transmission component and inhale grain component, the locking assembly includes wagon box side plate, check lock lever, lock sheet, support, fixture block, latch and pressure spring, the support is fixedly connected on the lock sheet, the lock sheet is located at the right side of the support, and the outer surface of the lock sheet offers locking hole；Rotate clockwise the check lock lever, the pressure spring drives the latch firmly to resist the wagon box side plate by the fixture block at this time, to realize that grain absorber and the wagon box side plate are firmly fixed, compared to more existing small grain elevator, small-sized portable grain absorber can allow grain absorber and the wagon box side plate to be firmly fixed, so that when in use, the vibration generated when the operating of grain absorber will not make firmness reduce, while using simple and convenient, the generation of safety accident is effectively avoided, safety when using is improved.
Description
Technical field
The utility model belongs to agricultural machinery technological field more particularly to a kind of fixes stronger grain absorber.
Background technique
Grain absorber is that a kind of novel agricultural, industrial machinery by pneumatic conveying granule materials are suitable for grain, plastics etc.
The conveying operation in bulk of various small particles materials, using layout of beam line can horizontal, inclination, vertical transport material, there is size
Traveling wheel, it is simple and convenient, can single machine complete independently convey task, strength grain absorber be suitable for farm, harbour, station,
The entrucking of large granary etc. unloads, variation call, export, turns over the row such as storehouse, collapse of setting and grain processing, feed processing and brewing
Industry in production technology it is in bulk, load in bulk, dissipate the do mechanization operation that unloads.Grain absorber requires to make with separate unit according to conveying technique
Industry, more combination operations, or transportation system is formed with other equipment, to meet different job requirements.Have flexible layout, move
Dynamic feature convenient, work surface is wide, conveying capacity is big, can save a large amount of manpower and material resources costs.
Small grain elevator currently on the market when in use, needs to be fixed on grain absorber on wagon box side plate, the prior art
In, wagon box side plate is directly blocked by the card slot below grain absorber, grain absorber is generating huge vibration using motor, so that inhaling
Grain machine and wagon box side plate are not fixed firmly, and easily cause the generation of safety accident.
Utility model content
The utility model, which provides, a kind of fixes stronger grain absorber, it is intended to solve small grain elevator currently on the market
When in use, it needs to be fixed on grain absorber on wagon box side plate, in the prior art, directly be blocked by the card slot below grain absorber
Wagon box side plate, grain absorber are generating huge vibration using motor, so that grain absorber and wagon box side plate are not fixed firmly, are easily making
At safety accident generation the problem of.
The utility model is realized in this way a kind of fix stronger grain absorber, including locking assembly, transmission component
With inhale grain component, the locking assembly includes wagon box side plate, check lock lever, lock sheet, support, fixture block, latch and pressure spring, described
Support is fixedly connected on the lock sheet, and the lock sheet is located at the right side of the support, and the outer surface of the lock sheet opens up
There is locking hole, the check lock lever is slidably connected to the support, and the left end of the check lock lever is fixedly connected on the latch, institute
The inside for stating support offers pressure spring slot, and the fixture block is fixedly connected on the check lock lever, and the fixture block is located at the pressure spring slot
Inside, the pressure spring is fixedly connected on the fixture block, and the pressure spring is surrounded on the outer surface of the check lock lever, the base clip
Conjunction is connected to the wagon box side plate, and the wagon box side plate is located at the lower section of the support, and the transmission component includes motor, skin
Band, transmission case, driving belt pulley, driving gear, driven gear, driving wheel, transmission shaft and driven pulley, the motor are fixed
It is connected to the support, the motor is located at the top of support, and the output shaft of the motor is sequentially connected in the drive belt
Wheel, the driving belt pulley are sequentially connected by the belt in the driven pulley, the driven pulley transmission connection
In the driving gear, the driving gear engagement is connected to the driven gear, and the driven gear passes through the transmission shaft
It is sequentially connected in the driving wheel, the driving wheel is located at the lower section of the transmission shaft, and the transmission case is fixedly connected on described
Driving belt pulley, the transmission case are located at the side of the motor, and the motor and external power supply are electrically connected, the suction grain group
Part includes auger, inhales grain hose, inhales grain head, crop inlet pipe, grain dischzrging tube and inhale grain slot, and the grain dischzrging tube and the crop inlet pipe are fixed
It is connected to the transmission case, the grain dischzrging tube and the crop inlet pipe are respectively positioned on the lower section of the transmission case, and the auger is fixed to be connected
It is connected to the driving wheel, the upper and lower ends for inhaling grain hose are respectively fixedly connected in the crop inlet pipe and the suction grain head, institute
It states auger and is located at the inside for inhaling grain hose, the auger is rotationally connected with the suction grain head, the outer surface for inhaling grain head
It offers and inhales grain slot.
The utility model also provides preferably, and the check lock lever is set as rolling over through the pressure spring slot, the check lock lever
Curved shape, the check lock lever are mutually adapted to the locking hole.
The utility model also provides preferably, and the lower end for inhaling grain head is set as truncated cone-shaped, the quantity for inhaling grain slot
It is three, three grain grooved rings of inhaling are around in the outer surface for inhaling grain head.
The utility model also provides preferably, and the outer surface of the driving wheel offers fan-shaped hole, the sector hole
Quantity be three, three fan-shaped holes are surrounded on around the transmission shaft.
The utility model also provides preferably, and the left and right ends of the pressure spring are respectively fixedly connected in the fixture block and described
The inner sidewall of pressure spring slot.
The utility model also provides preferably, the check lock lever, lock sheet, locking hole, fixture block, pressure spring slot, latch and
The quantity of pressure spring is two, and check lock lever described in two groups, lock sheet, locking hole, fixture block, pressure spring slot, latch and pressure spring are all provided with
It is placed in the right side of the wagon box side plate.
Compared with prior art, the utility model has the beneficial effects that the utility model it is a kind of fix it is stronger
Grain absorber realizes what grain absorber and the wagon box side plate were firmly fixed by the way that the latch and check lock lever is arranged,
When carrying out grain absorber and the wagon box side plate is fixed, first the check lock lever is stirred to the right, is then turned clockwise
The check lock lever is moved, the check lock lever is connected together in the locking hole, the latch is close to the support at this time, then
The support is placed on the wagon box side plate, the check lock lever is rotated clockwise, the pressure spring passes through the fixture block at this time
The latch is driven firmly to resist the wagon box side plate, so that it is firmly solid to realize that grain absorber and the wagon box side plate carry out
It is fixed, more existing small grain elevator is compared, small-sized portable grain absorber can allow grain absorber and the wagon box side plate to carry out jail
Solid fixation so that when in use, the vibration that when operating of grain absorber generates will not make firmness reduce, and use simple
While convenience, the generation of safety accident is effectively avoided, improves safety when using.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is transmission component structural schematic diagram in the utility model；
Fig. 3 is the structural schematic diagram that grain head is inhaled in the utility model；
Fig. 4 is the structural schematic diagram of locking assembly in the utility model；
Fig. 5 is the tail structure schematic diagram of driving wheel in the utility model；
In figure: 1- locking assembly, 11- wagon box side plate, 12- check lock lever, 13- lock sheet, 14- support, 15- locking hole, 16-
Fixture block, 17- pressure spring slot, 18- latch, 19- pressure spring, 2- transmission component, 21- motor, 22- belt, 23- transmission case, 24- driving
Belt pulley, 25- driving gear, 26- driven gear, 27- driving wheel, 28- transmission shaft, 29- driven pulley, 3- inhale grain component,
31- auger, 32- inhale grain hose, 33- inhales grain head, 34- crop inlet pipe, 35- grain dischzrging tube, 36- inhale grain slot.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: it is a kind of to fix stronger grain absorber, including
Locking assembly 1, transmission component 2 and suction grain component 3, locking assembly 1 include wagon box side plate 11, check lock lever 12, lock sheet 13, support
14, fixture block 16, latch 18 and pressure spring 19, support 14 are fixedly connected on lock sheet 13, and lock sheet 13 is located at the right side of support 14,
The outer surface of lock sheet 13 offers locking hole 15, and check lock lever 12 is slidably connected to support 14, and the left end of check lock lever 12 is fixed to be connected
It is connected to latch 18, the inside of support 14 offers pressure spring slot 17, and fixture block 16 is fixedly connected on check lock lever 12, and fixture block 16 is located at pressure
The inside of spring slot 17, pressure spring 19 are fixedly connected on fixture block 16, and pressure spring 19 is surrounded on the outer surface of check lock lever 12, and the engaging of support 14 connects
It is connected to wagon box side plate 11, wagon box side plate 11 is located at the lower section of support 14, and transmission component 2 includes motor 21, belt 22, transmission case
23, driving belt pulley 24, driving gear 25, driven gear 26, driving wheel 27, transmission shaft 28 and driven pulley 29, motor 21
It is fixedly connected on support 14, motor 21 is located at the top of support 14, and the output shaft of motor 21 is sequentially connected in driving belt pulley 24,
Driving belt pulley 24 is sequentially connected by belt 22 in driven pulley 29, and the transmission connection of driven pulley 29 is in driving gear
25, the driving engagement of gear 25 is connected to driven gear 26, and driven gear 26 is sequentially connected in driving wheel 27 by transmission shaft 28, is passed
Driving wheel 27 is located at the lower section of transmission shaft 28, and transmission case 23 is fixedly connected on driving belt pulley 24, and transmission case 23 is located at motor 21
Side, motor 21 and external power supply are electrically connected, and are inhaled grain component 3 and are included auger 31, inhale grain hose 32, inhale grain head 33, crop inlet pipe
34, grain dischzrging tube 35 and suction grain slot 36, grain dischzrging tube 35 and crop inlet pipe 34 are fixedly connected in transmission case 23, grain dischzrging tube 35 and crop inlet pipe
34 are respectively positioned on the lower section of transmission case 23, and auger 31 is fixedly connected on driving wheel 27, and the upper and lower ends for inhaling grain hose 32 are fixed respectively
It being connected to crop inlet pipe 34 and inhales grain head 33, auger 31 is located at the inside for inhaling grain hose 32, and auger 31, which is rotationally connected with, inhales grain head 33,
The outer surface for inhaling grain head 33, which offers, inhales grain slot 36.
In the present embodiment, it is convenient for locking by setting locking hole 15, when in progress grain absorber and car body side plate
11 when being fixed, and check lock lever 12 is stirred to the right and rotates clockwise check lock lever 12, then engages check lock lever 12 and connects
It is connected to locking hole 15, support 14 is close in the right side of latch 18 at this time, then support 14 and car body side plate 11 are engaged,
Check lock lever 12 is rotated counterclockwise, latch 18 and support 14 can firmly resist wagon box side plate 11 at this time, realize wagon box side plate
11 and support 14 close connection.
In the present embodiment, realize that grain absorber and wagon box side plate 11 are carried out by setting check lock lever 12 and latch 18
It is firmly fixed, when carrying out grain absorber and car body side plate 11 is fixed, check lock lever 12 is stirred to the right and will be locked
Tight bar 12 rotates clockwise, and in the process, pressure spring 19 is shunk by the extruding of 17 inner sidewall of fixture block 16 and pressure spring slot, then will
Check lock lever 12 is connected together in locking hole 15, and support 14 is close in the right side of latch 18 at this time, then by support 14 and car body
Side plate 11 is engaged, and check lock lever 12 is rotated counterclockwise, check lock lever 12 loses limitation at this time, and pressure spring 19 starts to expand, pressure spring
19 drive the Slideslip to the left of check lock lever 12, and check lock lever 12 drives latch 18 to move to the left, at this time latch 18 and support 14
Wagon box side plate 11 can be firmly resisted, realizes the close connection of wagon box side plate 11 and support 14, compares more existing small-sized suction grain
Machine, small-sized portable grain absorber can allow grain absorber and wagon box side plate 11 to be firmly fixed, so that when in use, inhaling grain
The vibration generated when the operating of machine will not make firmness reduce, and while using simple and convenient, effectively avoid safe thing
Therefore generation, improve use when safety.
Further, for check lock lever 12 through pressure spring slot 17, check lock lever 12 is set as bending-like, check lock lever 12 and locking hole
15 phases adaptation.
In the present embodiment, it is convenient for locking by setting locking hole 15, when in progress grain absorber and car body side plate
11 when being fixed, and check lock lever 12 is stirred to the right and rotates clockwise check lock lever 12, then engages check lock lever 12 and connects
It is connected to locking hole 15, support 14 is close in the right side of latch 18 at this time, then support 14 and car body side plate 11 are engaged,
Check lock lever 12 is rotated counterclockwise, latch 18 and support 14 can firmly resist wagon box side plate 11 at this time, realize wagon box side plate
11 and support 14 close connection.
Further, the lower end for inhaling grain head 33 is set as truncated cone-shaped, and the quantity for inhaling grain slot 36 is three, three suction grain slots 36
It is surrounded on the outer surface for inhaling grain head 33.
In the present embodiment, grain head 33 is inhaled by setting to carry out inhaling grain, when motor 21 is opened, grain head 33 will be inhaled
It is inserted into grain heap, the lower end for inhaling grain head 33 is set as truncated cone-shaped, easily facilitates and inhales the insertion grain heap of grain head 33, when auger 31 is rotating
When, grain is entered by three suction grain slots 36 to be inhaled in grain head 33, to carry out suction grain.
Further, the outer surface of driving wheel 27 offers fan-shaped hole, and the quantity of fan-shaped hole is three, three sectors
Hole is surrounded on around transmission shaft 28.
In the present embodiment, by three fan-shaped holes of setting enable grain by, when 31 band of auger
When dynamic grain is promoted, grain can be entered in transmission case 23 by three fan-shaped holes, thus by grain from grain dischzrging tube 35
It is transported among wagon box.
Further, the left and right ends of pressure spring 19 are respectively fixedly connected in the inner sidewall of fixture block 16 and pressure spring slot 17.
In the present embodiment, it is realized the Slideslip to the left of fixture block 16 by setting pressure spring 19, when carrying out suction grain
When machine and car body side plate 11 are fixed, check lock lever 12 is stirred to the right and rotates clockwise check lock lever 12, in this process
In, pressure spring 19 is shunk by the extruding of 17 inner sidewall of fixture block 16 and pressure spring slot, and then check lock lever 12 is connected together in locking hole
15, support 14 is close in the right side of latch 18 at this time, then engages support 14 and car body side plate 11, by check lock lever 12
Rotation counterclockwise, check lock lever 12 loses limitation at this time, and pressure spring 19 starts to expand, and pressure spring 19 drives the Slideslip to the left of check lock lever 12,
Check lock lever 12 drives latch 18 to move to the left, and latch 18 and support 14 can firmly resist wagon box side plate 11 at this time, real
The close connection of existing wagon box side plate 11 and support 14.
Further, check lock lever 12, lock sheet 13, locking hole 15, fixture block 16, pressure spring slot 17, latch 18 and pressure spring 19
Quantity be two, two groups of check lock levers 12, lock sheet 13, locking hole 15, fixture block 16, pressure spring slot 17, latch 18 and pressure spring
19 are all set in the right side of wagon box side plate 11.
In the present embodiment, by the way that two groups of check lock levers 12, lock sheet 13, locking hole 15, fixture block 16, pressure spring slot are arranged
17, latch 18 and pressure spring 19 increase fastness, when carrying out grain absorber and car body side plate 11 is fixed, by two
Check lock lever 12 is stirred to the right and rotates clockwise two check lock levers 12, and in the process, pressure spring 19 is by fixture block 16 and pressure
The extruding of 17 inner sidewall of spring slot is shunk, and then check lock lever 12 is connected together in locking hole 15, at this time the right side of latch 18
It is close to support 14, then engages support 14 and car body side plate 11, check lock lever 12 is rotated counterclockwise, at this time check lock lever 12
Limitation is lost, pressure spring 19 starts to expand, and pressure spring 19 drives the Slideslip to the left of check lock lever 12, and check lock lever 12 drives latch 18 to the left
Side is mobile, and latch 18 and support 14 can firmly resist wagon box side plate 11 at this time, realizes the tight of wagon box side plate 11 and support 14
Close connection.
The working principle and process for using of the utility model: after the utility model installs, equipment is accessed into external electrical
Check lock lever 12 is stirred to the right and rotates clockwise check lock lever 12 by source, and in the process, pressure spring 19 is by fixture block 16 and pressure
The extruding of 17 inner sidewall of spring slot is shunk, and then check lock lever 12 is connected together in locking hole 15, at this time the right side of latch 18
It is close to support 14, then engages support 14 and car body side plate 11, check lock lever 12 is rotated counterclockwise, at this time check lock lever 12
Limitation is lost, pressure spring 19 starts to expand, and pressure spring 19 drives the Slideslip to the left of check lock lever 12, and check lock lever 12 drives latch 18 to the left
Side is mobile, and latch 18 and support 14 can firmly resist wagon box side plate 11 at this time, realizes the tight of wagon box side plate 11 and support 14
Close connection starts motor 21 after the completion of fixation, and the output shaft of motor 21 drives driving belt pulley 24 to rotate, driving belt pulley
24 drive driven pulley 29 to rotate by belt 22, and driven pulley 29 drives driving gear 25 to rotate, and drive 25 band of gear
Dynamic driven gear 26 rotates, and driven gear 26 drives driving wheel 27 to rotate by transmission shaft 28, and driving wheel 27 drives 31 turns of auger
It is dynamic, grain head 33 will be inhaled and be inserted into grain heap, the lower end for inhaling grain head 33 is set as truncated cone-shaped, and it easily facilitates suction grain head 33 and is inserted into grain heap, when
In rotation, grain is entered by three suction grain slots 36 to be inhaled in grain head 33 auger 31, so that suction grain is carried out, when auger 31 drives grain
When food is promoted, grain can be entered in transmission case 23 by three fan-shaped holes, so that grain be conveyed from grain dischzrging tube 35
To among wagon box, more existing small grain elevator is compared, small-sized portable grain absorber can allow grain absorber and wagon box side plate 11
It is firmly fixed, so that when in use, the vibration that when operating of grain absorber generates will not make firmness reduce, using rising
While coming simple and convenient, the generation of safety accident is effectively avoided, improves safety when using.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (6)
1. a kind of fix stronger grain absorber, it is characterised in that: including locking assembly (1), transmission component (2) and inhale grain group
Part (3), the locking assembly (1) include wagon box side plate (11), check lock lever (12), lock sheet (13), support (14), fixture block
(16), latch (18) and pressure spring (19), the support (14) are fixedly connected on the lock sheet (13), the lock sheet (13)
Positioned at the right side of the support (14), the outer surface of the lock sheet (13) is offered locking hole (15), the check lock lever (12)
It is slidably connected to the support (14), the left end of the check lock lever (12) is fixedly connected on the latch (18), the support
(14) inside offers pressure spring slot (17), and the fixture block (16) is fixedly connected on the check lock lever (12), the fixture block (16)
Positioned at the inside of the pressure spring slot (17), the pressure spring (19) is fixedly connected on the fixture block (16), and the pressure spring (19) surround
In the outer surface of the check lock lever (12), the support (14) is connected together in the wagon box side plate (11), the wagon box side plate
(11) it is located at the lower section of the support (14),
The transmission component (2) includes motor (21), belt (22), transmission case (23), driving belt pulley (24), driving gear
(25), driven gear (26), driving wheel (27), transmission shaft (28) and driven pulley (29), the motor (21) are fixedly connected
In the support (14), the motor (21) is located at the top of support (14), the output shaft transmission connection of the motor (21) in
The driving belt pulley (24), the driving belt pulley (24) are sequentially connected by the belt (22) in the driven pulley
(29), driven pulley (29) transmission connection is connected in the driving gear (25), driving gear (25) engagement
The driven gear (26), the driven gear (26) are sequentially connected by the transmission shaft (28) in the driving wheel (27),
The driving wheel (27) is located at the lower section of the transmission shaft (28), and the transmission case (23) is fixedly connected on the driving belt pulley
(24), the transmission case (23) is located at the side of the motor (21), and the motor (21) and external power supply are electrically connected,
The suction grain component (3) includes auger (31), inhales grain hose (32), inhales grain head (33), crop inlet pipe (34), grain dischzrging tube (35)
With inhale grain slot (36), the grain dischzrging tube (35) and the crop inlet pipe (34) are fixedly connected in the transmission case (23), it is described out
Grain pipe (35) and the crop inlet pipe (34) are respectively positioned on the lower section of the transmission case (23), and the auger (31) is fixedly connected on described
Driving wheel (27), the upper and lower ends for inhaling grain hose (32) are respectively fixedly connected in the crop inlet pipe (34) and the suction grain head
(33), the auger (31) is located at the inside for inhaling grain hose (32), and the auger (31) is rotationally connected with the suction grain head
(33), the outer surface for inhaling grain head (33), which offers, inhales grain slot (36).
2. a kind of as described in claim 1 fix stronger grain absorber, it is characterised in that: the check lock lever (12) is run through
In the pressure spring slot (17), the check lock lever (12) is set as bending-like, the check lock lever (12) and the locking hole (15) phase
Adaptation.
3. a kind of as described in claim 1 fix stronger grain absorber, it is characterised in that: under the suction grain head (33)
End is set as truncated cone-shaped, and the quantity for inhaling grain slot (36) is three, and three suction grain slots (36) are surrounded on the suction grain head
(33) outer surface.
4. a kind of as described in claim 1 fix stronger grain absorber, it is characterised in that: outside the driving wheel (27)
Surface offers fan-shaped hole, and the quantity of the sector hole is three, and three fan-shaped holes are surrounded on the transmission shaft
(28) around.
5. a kind of as described in claim 1 fix stronger grain absorber, it is characterised in that: the left and right of the pressure spring (19)
Both ends are respectively fixedly connected in the inner sidewall of the fixture block (16) and the pressure spring slot (17).
6. a kind of as described in claim 1 fix stronger grain absorber, it is characterised in that: the check lock lever (12), lock
Tight piece (13), locking hole (15), fixture block (16), pressure spring slot (17), latch (18) and pressure spring (19) quantity be two, two
The group check lock lever (12), lock sheet (13), locking hole (15), fixture block (16), pressure spring slot (17), latch (18) and pressure spring
(19) it is all set in the right side of the wagon box side plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821934421.1U CN209242161U (en) | 2018-11-22 | 2018-11-22 | It is a kind of to fix stronger grain absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821934421.1U CN209242161U (en) | 2018-11-22 | 2018-11-22 | It is a kind of to fix stronger grain absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209242161U true CN209242161U (en) | 2019-08-13 |
Family
ID=67529251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821934421.1U Expired - Fee Related CN209242161U (en) | 2018-11-22 | 2018-11-22 | It is a kind of to fix stronger grain absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209242161U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745556A (en) * | 2019-11-22 | 2020-02-04 | 中国矿业大学 | Vibration anti-blocking device and method for pneumatically conveying concrete mortar |
-
2018
- 2018-11-22 CN CN201821934421.1U patent/CN209242161U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110745556A (en) * | 2019-11-22 | 2020-02-04 | 中国矿业大学 | Vibration anti-blocking device and method for pneumatically conveying concrete mortar |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190813 Termination date: 20191122 |