CN208213602U - Moveable walnut waves screening machine - Google Patents
Moveable walnut waves screening machine Download PDFInfo
- Publication number
- CN208213602U CN208213602U CN201721718581.8U CN201721718581U CN208213602U CN 208213602 U CN208213602 U CN 208213602U CN 201721718581 U CN201721718581 U CN 201721718581U CN 208213602 U CN208213602 U CN 208213602U
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- Prior art keywords
- screening
- idler wheel
- walnut
- moveable
- screening machine
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Abstract
The utility model waves screening machine more particularly to moveable walnut, including pedestal, screening case and the wabbler mechanism that screening case side is arranged in, screening case is fixed on the base, and is equipped with sieving plate in screening case, screening hole is provided on sieving plate, the diameter for sieving hole successively gradually successively decreases from top to bottom；The position at four angles of pedestal is provided with the idler wheel placing groove of a folding idler wheel and a rectangle, when diaphragm branch mailbox, can take out the idler wheel of folding, automatically move；Wabbler mechanism includes bracket, drive rod, sector gear, gag lever post, rotating disk and motor, forms side-to-side motion mechanism.The moveable walnut of the utility model, which waves, devises folding roller in screening machine, when needing the position of Moveable screening machine, it does not need to employ crane or more personal synergics, directly opening idler wheel can manually push screening machine mobile, human and material resources are saved, and very flexible in position adjusting.
Description
Technical field
The utility model designs agricultural machinery technological field, and in particular to a kind of moveable walnut waves screening machine.
Background technique
It to be generally classified according to its volume after walnut harvest, to be directed to different specification unbundling, or be used
In the different walnut product of production, the maximization of seeking results.Walnut is classified at present, most walnut plantations peasant household is still
By manually being sieved, due to being sieved according to the experience of oneself, not only working efficiency is low, but also is classified effect
Fruit is also unsatisfactory.
China application CN201520847196.8 discloses a kind of novel walnut and rocks screening machine.It includes rack, screening
Case and sieving plate, characterized in that be obliquely installed a screening case in the upper end of rack, several layers sieving plate, sieve are equipped in screening case
The angle of scoreboard and horizontal plane is 3-10 °, and several penetrating screening holes are provided on sieving plate, sieves the diameter in hole from upper sieve
Scoreboard is successively gradually successively decreased to lower layer's sieving plate；The upper right side for sieving case is equipped with a lower hopper, and the top of lower hopper is equipped with motor
The infeed conveyor of driving；Screening case left end correspond at sieving plate be equipped with discharging hang plate, discharge hang plate end just under
Side is equipped with splicing bucket.Walnut is tumbled from the upper right corner of screen plate from the lower left corner under gravity, and when falling to, its diameter is big
When sieving the diameter in hole, it will be dropped into splicing bucket along the screen plate from discharging hang plate.Current screening machine volume
Larger, movement is very inconvenient, needs multiple people to move together, is just able to achieve the movement of screening machine.And this surface of walnut is not
Enough round and smooth, rollability is bad, promotes walnut to roll if increasing the sieving plate gradient, and it is too fast to will cause walnut rolling speed, makes
It cannot be sized removing in time at lesser walnut, therefore separative efficiency is not high.
Utility model content
In order to solve walnut screening machine in the prior art, volume is larger, and movement is very inconvenient, and multiple people is needed to remove together
It is dynamic, just it is able to achieve the problem of the movement of screening machine, the utility model provides a kind of moveable walnut and waves screening machine.This reality
It is as follows with novel technical solution:
Moveable walnut waves screening machine, including pedestal, screening case and wabbler mechanism, the screening case pass through hollow ladder
Shape platform is fixed on the base, and the sieving plate being parallel to each other in screening case equipped with several layers, sieving plate divides from top to bottom by case is sieved
Multiple screening areas are cut into, several equal-sized screening holes are provided on each sieving plate, sieve the diameter in hole from upper layer sieving plate
Successively gradually successively decrease to lower layer's sieving plate；
The top surface for sieving case is a slope surface, and higher-end is provided with feed inlet, sieve on the front end face of case, each sieving plate it is low
End corresponding position offers corresponding discharge port,
The position at four angles of the pedestal is provided with the idler wheel placing groove of a folding idler wheel and a rectangle, rolling
A clevis mounting is fixed in wheel placing groove, and the mounting rack of each idler wheel is movably hinged on corresponding clevis mounting, so that rolling
Wheel can be with folding storage in idler wheel placing groove；
The opening of the idler wheel placing groove is provided with a rotatable lid, and the side of the lid is fixed by shaft
In pedestal, the other side has notch identical with the outer diameter shape size of mounting rack, and when idler wheel is opened, lid is rotated to envelope
The position of the idler wheel placing groove is closed, mounting rack is stuck in the notch, to prevent mounting rack mobile；
The wabbler mechanism be arranged in screening case side, the wabbler mechanism include bracket, drive rod, sector gear,
Gag lever post, rotating disk and motor, the bracket include bottom plate and riser perpendicular to the base plate, one end and the sector of the gag lever post
The center of circle of gear is fixedly connected, and link position is hinged on the bottom of riser, has a waist hole in the middle part of the gag lever post；
The rotating disk is fixed on the top of riser, and the center of the rotating disk is fixedly connected with the output end of motor,
Rotating disk keeps protruding shaft lucky far from a protruding shaft, the diameter of the protruding shaft and the width fits of waist hole are fixedly installed on the side of motor
It is inserted into waist hole；
The drive rod includes rack gear and round bar, and the both ends of the rack gear are fixedly connected with round bar, and the drive rod passes through
Round bar is mounted on transverse slat, and the tooth on the rack gear and sector gear is intermeshed, close to the round bar of screening case, by spring with
Sieve the connection of bottom portion；
When motor drives rotation disc spins, protruding shaft drives gag lever post to swing, and then drive sector gear or so stirs rack gear,
Case is sieved to drive round bar to be swung left and right, to promote walnut to roll screening.
Further, moveable walnut described in the utility model waves in screening machine, pedestal 1 corresponding with feed inlet
Idler wheel in two corners is universal wheel, and other two idler wheel is directional wheel.
Further, moveable walnut described in the utility model waves in screening machine, also has on the lid and supplies
The tapped through hole that bolt passes through, for securing a cap to pedestal, when idler wheel is opened, it is ensured that the fixation of mounting rack.
Further, moveable walnut described in the utility model waves in screening machine, in the middle part of the chassis side
Recess is respectively equipped with an electronic support rod, and the electronic support rod is for pushing pedestal to go up and down, to guarantee smooth folding and unfolding rolling
Wheel.
Further, moveable walnut described in the utility model waves in screening machine, and the wabbler mechanism further includes
Governor；
The output shaft of the motor is connect by shaft coupling with governor, the output end of the governor and turning for rotating disk
Axis is fixedly connected.
Further, moveable walnut described in the utility model waves in screening machine, and the bottom of each discharge port is set
A guide plate is set, so that walnut is fallen into corresponding container.
The utility model has the beneficial effects that
Moveable walnut described in the utility model waves screening machine, and bottom is equipped with foldable idler wheel, works as needs
It when the position of Moveable screening machine, does not need to employ crane or more personal synergics, sieve can manually be pushed by directly opening idler wheel
Extension set is mobile, saves human and material resources, and very flexible in position adjusting.
Moveable walnut described in the utility model waves and is also equipped with electronic support rod on the pedestal of screening machine, opens
The lifting for the realization pedestal that can be automated after manual trigger switch does not need manpower and lifts screening in retractable idler wheel
Machine, it is only necessary to turn on the switch, pedestal can be risen by starting electronic support rod, and the idler wheel stored in idler wheel placing groove is released, very
It is convenient.
The moveable walnut of the utility model, which waves, devises wabbler mechanism in screening machine, motor drives rotation disc spins
When, protruding shaft drives gag lever post to swing, and then sector gear or so is driven to stir rack gear, so that round bar be driven to be swung left and right screening
Case improves walnut screening efficiency to promote walnut to roll screening.Wiggly screening mode is closer with artificial screening, complete
The form of up-down vibration is avoided entirely, if vibration excessively acutely will cause walnut, rolling is too fast, and screening is made error occur.
The utility model is described in further details below with reference to accompanying drawings and embodiments.
Detailed description of the invention
Fig. 1 is moveable the rear perspective that walnut waves screening machine.
Fig. 2 is moveable the main view that walnut waves screening machine.
Fig. 3 is idler wheel collapsed state top view.
Fig. 4 is that idler wheel accepts state top view
Fig. 5 is the lid unscrewing state top view of idler wheel placing groove.
Fig. 6 is that the lid of idler wheel placing groove builds state top view.
In figure: 1- pedestal, 11- idler wheel placing groove, 12-U shape mounting base, 13- mounting rack, 14- lid, 15- shaft, 16-
The electronic support rod of notch, 17-, 18- idler wheel, 2- screening case, the hollow bucking ladder of 3-, 4- sieving plate, 5- wabbler mechanism, 51- transmission
Bar, 511- rack gear, 512- round bar, 52- sector gear, 53- gag lever post, 531- waist hole, 54- rotating disk, 541- protruding shaft, 55- electricity
Machine, 6- feed inlet, 7- discharge port, 8- guide plate.
Specific embodiment
Reach the technical means and efficacy that predetermined purpose is taken for the utility model is further described, below in conjunction with attached drawing
And embodiment, to specific embodiment of the present utility model, structure feature and its effect, detailed description are as follows.
In the description of the present invention, it should be understood that term " longitudinal direction ", " length ", " circumferential direction ", preceding ", " rear ",
The orientation or positional relationship of the instructions such as "left", "right", "top", "bottom", "inner", "outside" is orientation based on the figure or position
Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection is also possible to be electrically connected or can communicate with each other；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Embodiment 1:
When in order to solve the artificial screening of walnut screening in the prior art and existing mechanical grading, inefficient problem,
The utility model provides one kind moveable walnut as depicted in figs. 1 and 2 and waves screening machine, including pedestal 1, screening case 2
With wabbler mechanism 5, sieves case 2 and be fixed on pedestal 1 by hollow bucking ladder 3.Screening case 2 is fixed on hollow trapezoidal by hinge
On the top surface of platform 3.Screening case sliding is prevented, and will not allow screening case can not the relatively hollow movement of bucking ladder 3.It is set in screening case 2
The angle of the sieving plate 4 for having several layers to be parallel to each other, screening case 2 and horizontal plane is 3~8 °.Sieving plate 4 will sieve case 2 from upper and
Under be divided into multiple screening areas, several equal-sized screening holes are provided on each sieving plate 4, sieve the diameter in hole from upper sieve
Scoreboard is successively gradually successively decreased to lower layer's sieving plate.
When sieving walnut, the biggish screening hole separation in upper layer is biggish walnut, and more downward screening hole is smaller, isolates
The walnut come is also just smaller.
The top surface for sieving case 2 is a slope surface, and higher-end is provided with feed inlet 6, is sieved on the front end face of case 2, each screening
4 low side corresponding position of plate offers corresponding discharge port 7.A guide plate 8 is arranged in the bottom of each discharge port 7, so that walnut is fallen into pair
In the container answered.The walnut occurred in each discharge port with its corresponding to sieving plate screening hole it is in the same size, therefore,
The walnut that each discharge port occurs is not of uniform size, respectively with unused containers.There is channel among guide plate, assist walnut
Into in different containers, prevent walnut unrestrained.
As shown in Figure 3 and Figure 4, the position that moveable walnut waves four angles of the pedestal 1 of screening machine is provided with one
Folding idler wheel 18, and the idler wheel 18 in 1 two corners of pedestal corresponding with feed inlet 6 is universal wheel, other two idler wheel 18 is
Directional wheel.The position at four angles of pedestal 1 is respectively provided with the idler wheel placing groove 11 an of rectangle, is fixed with one in idler wheel placing groove 11
The mounting rack 13 of clevis mounting 12, each idler wheel is movably hinged on corresponding clevis mounting 12, and idler wheel is allowed to fold receipts
It is contained in idler wheel placing groove 11.
As shown in Figure 5 and Figure 6, the opening of idler wheel placing groove 11 is provided with a rotatable lid 14, and the one of lid 14
Side is fixed on pedestal 1 by shaft 15, and the other side has notch 16 identical with the outer diameter shape size of mounting rack 13, works as idler wheel
When opening, by the rotation of lid 14 to the position for closing idler wheel placing groove 11, mounting rack 13 is stuck in notch 16, to prevent from installing
Frame 13 is mobile.Also there is the tapped through hole passed through for bolt, for lid 9 to be fixed on pedestal 2, when idler wheel is beaten on lid 9
When opening, it is ensured that the fixation of mounting rack.
Moveable walnut described in the utility model waves screening machine, and bottom is equipped with foldable idler wheel, works as needs
It when the position of Moveable screening machine, does not need to employ crane or more personal synergics, sieve can manually be pushed by directly opening idler wheel
Extension set is mobile, saves human and material resources, and very flexible in position adjusting.
As shown in Figure 1, it further includes wabbler mechanism 5 that moveable walnut, which waves in screening machine, the setting of wabbler mechanism 5 is being sieved
The side of case 2, wabbler mechanism 5 include bracket, drive rod 51, sector gear 52, gag lever post 53, rotating disk 54 and motor 55, branch
Frame includes bottom plate and riser perpendicular to the base plate.One end of gag lever post 53 is fixedly connected with the center of circle of sector gear 52, and is connected
Position is hinged on the bottom of riser, has a waist hole 531 in the middle part of gag lever post 53, rotating disk 54 is fixed on the top of riser, and revolves
The center of turntable 54 is fixedly connected with the output end of motor 55, and rotating disk 54 is far from being fixedly installed a protruding shaft on the side of motor
541, the diameter and the width fits of waist hole 531 of the protruding shaft 541 are inserted into protruding shaft 541 in waist hole 531 just.
Drive rod 51 includes rack gear 511 and round bar 512, and the both ends of rack gear 511 are fixedly connected with round bar 512, drive rod 51
It is mounted on transverse slat by round bar 512, the tooth on rack gear 511 and sector gear 52 is intermeshed, close to the round bar of screening case 2
512, it is connect by spring with screening 2 bottom of case.
When motor 55 drives rotating disk 54 to rotate, protruding shaft 541 is inserted in waist hole, drives gag lever post 53 to swing, in turn
Sector gear 52 or so is driven to fiddle with rack gear 511, to drive the reciprocal side-to-side movement of round bar 512, with the movement of round bar,
It is swung left and right with the screening case 2 that round bar is connect by spring, walnut is promoted to roll screening, improve walnut screening efficiency.
Moveable walnut waves in screening machine, and the recess of 1 middle side edge of pedestal is respectively equipped with an electronic support rod
17, electronic support rod 17 is for pushing pedestal 1 to go up and down, to guarantee smooth folding and unfolding idler wheel.Electronic support rod passes through single-chip microcontroller, driving
Circuit board connects manual trigger switch control micromotor and realizes telescopic process.
Micromotor in electronic support rod is clockwise and anticlockwise motor, makes single-chip microcontroller to micromotor by manual trigger switch
Export corresponding control instruction forward or reverse.
The drive circuit board of electronic support rod is L298N type driving chip, and single-chip microcontroller uses AT89C52 cake core；It is electronic
The switch of support rod 17 is manual trigger switch, selects the triumphant elder brother KE-315 power push button switch 3P15A of Kacon.It is handed over using household
Galvanic electricity power supply or storage battery power supply.
The lifting for opening the realization pedestal that can be automated after power switch does not need manpower lift in retractable idler wheel
Play screening machine, it is only necessary to turn on the switch, pedestal can be risen by starting electronic support rod, and the idler wheel stored in idler wheel placing groove is put
Out, very convenient.
In the wabbler mechanism course of work, 51 side-to-side movement of drive rod is more frequent, in order to reduce frictional force, the circle of drive rod
Bar 512 is fixed on transverse slat by sleeve, the internal layer and 512 clearance fit of round bar of sleeve, and the outer layer and transverse slat of sleeve are fixed to be connected
It connects, there is ball between the internal layer and outer layer of sleeve, reduce the frictional force on round bar surface using ball.
Embodiment 2:
The present embodiment and the main distinction of embodiment 1 are: adjustable in order to make to wave rate, wabbler mechanism 5 further includes adjusting
Fast device；The output shaft of motor 55 is connect by shaft coupling with governor, the output end of governor and the fixed company of the shaft of rotating disk
It connects.
Moveable walnut waves in screening machine, use process is as follows:
Manual trigger switch is got into rotating forward, the micromotor in electronic support rod rotates forward, and electronic support rod stretches upwards,
It drives pedestal to be raised above, screening machine is risen.
Hand is stretched the position of the idler wheel placing groove of pedestal by operator, unscrews fixing bolt, and rotate the cover exposes rolling
Wheel moves idler wheel to perpendicular to pedestal, and cycle lid tightens fixing bolt, and idler wheel mounting rack is fixed；By the hand of electronic support rod
Dynamic trigger switch gets to reversion, and the micromotor reversion in electronic support rod, electronic support rod retracted downward drives pedestal drop
It falls.Screening machine becomes the moving body with idler wheel, and operator pushes screening machine to predetermined position.
It opens micromotor and rotates forward switch, support base withdraws idler wheel, then opens micromotor overturning switch, withdraws electronic
Support rod starts to sieve walnut.
Walnut is added in screening case by feed inlet, sieving the sieving plate in case is inclined-plane, and motor drives band rotating disk
It rotates, the protruding shaft in rotating disk is inserted in waist hole, so that rotating disk drives gag lever post to swing, and then drives sector gear left
The right side fiddles with rack gear, so that the reciprocal side-to-side movement of round bar is driven, with the movement of round bar, the sieve being connect with round bar by spring
Branch mailbox is swung left and right, and walnut is promoted to roll screening.Biggish walnut cannot pass through the screening on upper layer during slide downward
Plate, just directly the discharge port corresponding to the sieving plate of upper layer rolls out screening case, falls into corresponding container；Lesser walnut to
It during lower rolling, is fallen in lower screen scoreboard from the screening hole on upper layer, until suitably being sieved hole retention by aperture；Through
Such process is crossed, walnut warp not of uniform size can be quickly respectively put into different containers according to the size in screening hole,
Very efficiently.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (6)
1. moveable walnut waves screening machine, including pedestal, screening case and wabbler mechanism, the screening case pass through hollow trapezoidal
Platform is fixed on the base, and the sieving plate being parallel to each other in screening case equipped with several layers, sieving plate is divided from top to bottom by case is sieved
At multiple screening areas, several equal-sized screening holes are provided on each sieving plate, sieve the diameter in hole from upper layer sieving plate to
Lower layer's sieving plate successively gradually successively decreases；
The top surface for sieving case is a slope surface, and higher-end is provided with feed inlet, sieves on the front end face of case, each sieving plate low side pair
Should place offer corresponding discharge port, it is characterised in that:
The position at four angles of the pedestal is provided with the idler wheel placing groove of a folding idler wheel and a rectangle, and idler wheel is put
It sets and is fixed with a clevis mounting in slot, the mounting rack of each idler wheel is movably hinged on corresponding clevis mounting, so that idler wheel can
With folding storage in idler wheel placing groove；
The opening of the idler wheel placing groove is provided with a rotatable lid, and the side of the lid is fixed on bottom by shaft
Seat, the other side have notch identical with the outer diameter shape size of mounting rack, and when idler wheel is opened, lid is rotated to closing institute
The position of idler wheel placing groove is stated, mounting rack is stuck in the notch, to prevent mounting rack mobile；
The side of screening case is arranged in the wabbler mechanism, and the wabbler mechanism includes bracket, drive rod, sector gear, limit
Bar, rotating disk and motor, the bracket include bottom plate and riser perpendicular to the base plate, one end of the gag lever post and sector gear
The center of circle be fixedly connected, and link position is hinged on the bottom of riser, has a waist hole in the middle part of the gag lever post；
The rotating disk is fixed on the top of riser, and the center of the rotating disk is fixedly connected with the output end of motor, rotation
Disk is inserted into protruding shaft just far from a protruding shaft, the diameter of the protruding shaft and the width fits of waist hole are fixedly installed on the side of motor
In waist hole；
The drive rod includes rack gear and round bar, and the both ends of the rack gear are fixedly connected with round bar, and the drive rod passes through round bar
It is mounted on transverse slat, the tooth on the rack gear and sector gear is intermeshed, and close to the round bar of screening case, passes through spring and screening
The connection of bottom portion；
When motor drives rotation disc spins, protruding shaft drives gag lever post to swing, and then drive sector gear or so stirs rack gear, thus
It drives round bar to be swung left and right and sieves case, to promote walnut to roll screening.
2. moveable walnut according to claim 1 waves screening machine, it is characterised in that: pedestal corresponding with feed inlet
Idler wheel in two corners is universal wheel, and other two idler wheel is directional wheel.
3. moveable walnut according to claim 2 waves screening machine, it is characterised in that: also have on the lid and supply
The tapped through hole that bolt passes through, for securing a cap to pedestal, when idler wheel is opened, it is ensured that the fixation of mounting rack.
4. moveable walnut according to claim 3 waves screening machine, it is characterised in that: in the middle part of the chassis side
Recess is respectively equipped with an electronic support rod, and the electronic support rod is for pushing pedestal to go up and down, to guarantee smooth folding and unfolding rolling
Wheel.
5. moveable walnut according to claim 4 waves screening machine, it is characterised in that: the wabbler mechanism further includes
Governor；
The output shaft of the motor is connect by shaft coupling with governor, and the output end of the governor and the shaft of rotating disk are solid
Fixed connection.
6. moveable walnut according to claim 1 waves screening machine, it is characterised in that: the bottom of each discharge port is set
A guide plate is set, so that walnut is fallen into corresponding container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721718581.8U CN208213602U (en) | 2017-12-12 | 2017-12-12 | Moveable walnut waves screening machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721718581.8U CN208213602U (en) | 2017-12-12 | 2017-12-12 | Moveable walnut waves screening machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208213602U true CN208213602U (en) | 2018-12-11 |
Family
ID=64532623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721718581.8U Expired - Fee Related CN208213602U (en) | 2017-12-12 | 2017-12-12 | Moveable walnut waves screening machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208213602U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425260A (en) * | 2019-09-03 | 2019-11-08 | 无锡市通达输送设备有限公司 | A kind of adjustable chain stretching device |
| CN111661424A (en) * | 2020-05-19 | 2020-09-15 | 谭光荣 | Feed stacking equipment based on electromagnetic balance |
| CN113019897A (en) * | 2021-03-05 | 2021-06-25 | 昆明理工大学 | Intelligent packing device and method for agricultural and sideline product logistics transportation |
-
2017
- 2017-12-12 CN CN201721718581.8U patent/CN208213602U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425260A (en) * | 2019-09-03 | 2019-11-08 | 无锡市通达输送设备有限公司 | A kind of adjustable chain stretching device |
| CN110425260B (en) * | 2019-09-03 | 2024-05-24 | 无锡市通达输送设备有限公司 | Adjustable chain tensioning device |
| CN111661424A (en) * | 2020-05-19 | 2020-09-15 | 谭光荣 | Feed stacking equipment based on electromagnetic balance |
| CN113019897A (en) * | 2021-03-05 | 2021-06-25 | 昆明理工大学 | Intelligent packing device and method for agricultural and sideline product logistics transportation |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20191212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |