CN107985438A - A kind of gardens multi-function robot - Google Patents
A kind of gardens multi-function robot Download PDFInfo
- Publication number
- CN107985438A CN107985438A CN201711289811.8A CN201711289811A CN107985438A CN 107985438 A CN107985438 A CN 107985438A CN 201711289811 A CN201711289811 A CN 201711289811A CN 107985438 A CN107985438 A CN 107985438A
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- CN
- China
- Prior art keywords
- rotation axis
- rack
- rocking bar
- catch
- angle point
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D57/00—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track
- B62D57/02—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members
- B62D57/032—Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members with alternately or sequentially lifted supporting base and legs; with alternately or sequentially lifted feet or skid
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
- G09F11/02—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position the display elements being secured to rotating members, e.g. drums, spindles
- G09F11/10—Electrical control therefor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Manipulator (AREA)
Abstract
The invention discloses a kind of gardens multi-function robot, including rack, in the rack the first rotation axis is equipped with direction successively from front to back along same level, second rotation axis, 3rd rotation axis, 4th rotation axis, first rotation axis, the side of second rotation axis is connected with first walking mechanism, opposite side is connected with the second walking mechanism, 3rd rotation axis, the side of 4th rotation axis is connected with the third line and walks mechanism, opposite side is connected with fourth line and walks mechanism, the first walking mechanism includes being vertically connected at first crank of first rotation axis one end, it is vertically connected at second crank of second rotation axis one end.The robot of the present invention can realize walking function by the output of single motor, reasonable in design；Robot device movement variation, can meet several work demand.Displaying device drives showing stand to realize comprehensive dynamic bandwagon effect by single main motor, and bandwagon effect is good, has practicality.
Description
Technical field
The present invention relates to robotic technology field, particularly relates to a kind of gardens multi-function robot.
Background technology
The walking mechanism complex structural designs of the prior art could drive robot to advance, it is necessary to which multiple motors coordinate, into
This height；In addition show that apparatus structure design is unreasonable, lack dynamic effect, it is necessary to improve.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of gardens multi-function robot, to solve in the prior art
Walking mechanism complex structural designs could drive robot to advance, it is necessary to which multiple motors coordinate, of high cost；In addition device knot is shown
Structure design is unreasonable, lacks dynamic effect, it is necessary to improved technical problem.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of gardens multi-function robot, including rack,
In the rack the first rotation axis, the second rotation axis, the 3rd rotation are equipped with direction successively from front to back along same level
Axis, the 4th rotation axis, first rotation axis, the side of the second rotation axis are connected with first walking mechanism, and opposite side is connected with
Second walking mechanism, the 3rd rotation axis, the side of the 4th rotation axis are connected with the third line and walk mechanism, and opposite side is connected with
Four walking mechanisms, the first walking mechanism include being vertically connected at first crank of first rotation axis one end, are vertically connected at
Second crank of second rotation axis one end, first crank, the second crank are isometric and parallel, first crank and the second song
The other end of handle is connected by first connecting rod, and the both ends of the first connecting rod are also rotatably connected to preceding rocking bar and rear rocking bar, described
Preceding rocking bar and rear rocking bar are isometric and be arranged in parallel, and the preceding rocking bar is connected with the other end of rear rocking bar by second connecting rod, described
Second connecting rod is located above first connecting rod, and the preceding rocking bar connects vertically downward close to rack front end, the middle part of the second connecting rod
Supporting rod is connected to, landing part, the structure of first, second, third, fourth walking mechanism are connected with the supporting rod lower end
It is identical, it is connected in the middle part of the preceding rocking bar in the first walking mechanism by the first guide rod at rack front end, second walking
It is connected in the middle part of preceding rocking bar in mechanism by the second guide rod at rack front end, described the third line is walked in the middle part of the rear rocking bar in mechanism
Rack rear end is connected to by the 3rd guide rod, the fourth line is walked to be connected in the middle part of the rear rocking bar in mechanism by the 4th guide rod
Rack rear end, the central rack are equipped with movable motor, and the output terminal of the movable motor is connected to by belt wheel transmission
2nd, the 3rd rotation axis, second rotation axis are connected to the first rotation axis by belt wheel transmission, and the 3rd rotation axis passes through band
Wheel is sequentially connected in the 4th rotation axis；
Displaying device is provided with by supporting rack in the rack, the displaying device includes the base of a square, institute
State base and be equipped with orbit portion, the orbit portion includes square loop and circuit orbit, and the circuit orbit is inscribed within pros
Shape track, so as to be separated out disk area and four angle point areas on the base, each angle point area includes proximate base edge
Orthogonal two right-angle sides and adjacent disk area an arc-shaped side, the center in the disk area is equipped with circular first
Gear, the first gear are driven by main motor to rotate, and the orbit portion is equipped with showing stand, and the showing stand outer ring is set
There is the second gear being meshed with the first gear, the outer contour of the second gear is oval, the showing stand bottom
Both sides are respectively equipped with a slider guide so that the showing stand slides along the track, and the angle point that is transferred in the angle point area is equipped with gear
Sheet devices, the mask device include being posted by the first catch on the outside of disk area and be posted by square loop side wall the
Two catch, are equipped with compression spring so that the second catch is resisted against on square loop side wall, institute between second catch and angle point area
The area of giving up the throne being additionally provided with angle point area for housing the second catch is stated, the medium position of the mask device is turned by catch shaft
Dynamic be connected to is transferred to corner point, described when being transferred to angle point and being moved for showing stand by first gear drives edge orbit portion, by angle point
First corner point in area, when the showing stand is by wherein when being transferred to angle point of an angle point area, on the showing stand wherein
One slider guide moves along square loop and oppresses the second catch and gives up the throne to giving up the throne in area, and the outer rim of first catch is posted by
On the inside of square loop, so that another slider guide on the showing stand is slided along circuit orbit；
Be additionally provided with transfer device in the rack, the transfer device include hydraulic telescopic rod, fixing base, bottom pedestal,
Bearing block, connecting shaft, transhipment motor, contiguous block, clamping jaw and clamping pull rod, the bottom pedestal is installed on above rack, described
Hydraulic telescopic rod is vertically mounted on the pedestal of bottom, and the upper end is equipped with fixing base, the bearing seat on rear side of fixing base upper end,
The transhipment motor is located on front side of fixing base upper end, and the connecting shaft is horizontally arranged on bearing block, its one end and transhipment motor
Connection, the other end are connected with contiguous block, and the contiguous block, which is equipped with, clamps pull rod, and the clamping pull rod is connected with clamping jaw, described
Clamping jaw is symmetrical arc panel.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
In such scheme, robot of the invention can realize walking function, structure design by the output of single motor
Rationally；Robot device movement variation, can meet several work demand.Show that device drives showing stand by single main motor
Realize comprehensive dynamic bandwagon effect, bandwagon effect is good, has practicality.
Brief description of the drawings
Fig. 1 is the state diagram one of the walking mechanism of the present invention.
Fig. 2 is the stereogram of the walking mechanism of the present invention.
Fig. 3 is the part-structure figure one of the walking mechanism of the present invention.
Fig. 4 is the part-structure figure two of the walking mechanism of the present invention.
Fig. 5 is the state diagram two of the walking mechanism of the present invention.
Fig. 6 is the state diagram three of the walking mechanism of the present invention.
Fig. 7 is the movement locus figure of the walking mechanism of the present invention.
Fig. 8 is the state diagram one of the displaying device of the present invention.
Fig. 9 is the state diagram two of the displaying device of the present invention.
Figure 10 is the stereogram of the displaying device of the present invention.
Figure 11 is the structure chart of the showing stand of the displaying device of the present invention.
Figure 12 is the structure chart in a wherein angle point area for the displaying device of the present invention.
Figure 13 is the layout of the present invention.
Figure 14 is the structure chart of the transfer device of the present invention.
Embodiment
To make the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
For convenience of description, before left side is in Fig. 1, after right side is.
As shown in Figures 1 to 6, the embodiment of the present invention provides a kind of gardens multi-function robot, including rack 100, institute
State and be equipped with the first rotation axis 31, the second rotation axis the 32, the 3rd on direction successively from front to back along same level in rack 100
Rotation axis 33, the 4th rotation axis 34, first rotation axis 31, the side of the second rotation axis 32 are connected with first walking mechanism
35, opposite side is connected with the second walking mechanism 36, and the 3rd rotation axis 33, the side of the 4th rotation axis 34 are connected with the third line
Mechanism 37 is walked, opposite side is connected with fourth line and walks mechanism 38, and the first walking mechanism 35 includes being vertically connected at the first rotation
First crank 41 of 31 one end of axis, the second crank 42 for being vertically connected at 32 one end of the second rotation axis, first crank 41,
Two cranks 42 are isometric and parallel, and first crank 41 is connected with the other end of the second crank 42 by first connecting rod 43, described
The both ends of first connecting rod 43 are also rotatably connected to preceding rocking bar 44 and rear rocking bar 45, and the preceding rocking bar 44 and rear rocking bar 45 are isometric and flat
Row is set, and the preceding rocking bar 44 is connected with the other end of rear rocking bar 45 by second connecting rod 46, and the second connecting rod 46 is located at the
The top of one connecting rod 43, the preceding rocking bar 44 are connected with branch vertically downward close to 100 front end of rack, the middle part of the second connecting rod 46
Strut 47, is connected with landing part 48 at 47 lower end of supporting rod；The structure of first, second, third, fourth walking mechanism
Identical, the middle part of preceding rocking bar 44 in the first walking mechanism 35 is connected at 100 front end of rack by the first guide rod 51, described
The middle part of preceding rocking bar 44 in second walking mechanism 36 is connected at 100 front end of rack by the second guide rod 52, and described the third line is walked
The middle part of rear rocking bar 45 in mechanism 37 is connected to 100 rear end of rack by the 3rd guide rod 53, and the fourth line is walked in mechanism 38
The middle part of rear rocking bar 45 100 rear end of rack is connected to by the 4th guide rod 54, crank and rotation axis are fixedly linked, and connecting rod, lead
Bar both ends are rotation connection, and the middle part of rack 100 is equipped with movable motor 30, and the output terminal of the movable motor 30 passes through band
Wheel is sequentially connected is connected to the first rotation axis 31, institute in second, third rotation axis, second rotation axis 32 by belt wheel transmission
State the 3rd rotation axis 33 and the 4th rotation axis 34 is connected to by belt wheel transmission, therefore first, second, third and fourth rotation axis rotates synchronously；
The length of four guide rods is identical, and the length of preceding rocking bar 44 is more than the length of the first guide rod 51, and the length of the first guide rod 51 is more than the
The length of one connecting rod 43, the length of first connecting rod 43 are more than the length of the first crank 41.First guide rod length is the one of preceding rocking bar
Half.The initial rotation angle that first walking mechanism and the third line walk mechanism is identical, and the second walking mechanism and fourth line walk mechanism
Initial rotation angle is identical, and the initial rotation angle of first walking mechanism and the second walking mechanism differs 180 °.
Line, the first crank, the second crank, first connecting rod between first rotation axis and the second rotation axis form one and put down
Row quadrangular mechanism, first connecting rod, the first rocking bar, the second rocking bar, second connecting rod form another parallelogram mechanism.
As shown in Figure 1, being shown as first walking mechanism and fourth line walks that mechanism is liftoff, and the second walking mechanism and the third line are walked
Mechanism lands；As shown in figure 5, movable motor drives each rotation axis to rotate counterclockwise, the landing part in four walking mechanisms is same
When it is of short duration contact to earth, complete alternating movement, the walking manner of similar doggie realized, as shown in fig. 6, the second walking mechanism and the 3rd
Walking mechanism is liftoff, and first walking mechanism and fourth line walk mechanism and land.
As shown in fig. 7, dotted line is the movement locus of landing part in figure, mark 49 is ground, and single landing part 48 is landing
Move from the front to the back afterwards, drive rack 100 to advance, then liftoff soar travels forward at rear, and forefront lands again.
As shown in Fig. 8 to Figure 13, displaying device 10, the displaying dress are provided with by supporting rack 111 in the rack 100
Putting 10 includes the base 11 of a square, and the lower section of base 11 is connected to the top of rack 100, the bottom by supporting rack 111
Seat 11 is equipped with orbit portion 12, and the orbit portion 12 includes square loop 121 and circuit orbit 122, and square loop 121 exists
Its corner location makees arc transition, and the circuit orbit 122 is inscribed within square loop 121, so as to separate on the base 11
Go out disk area 13 and four angle point areas 14, each angle point area 14 includes orthogonal two of 11 edge of proximate base directly
The arm of angle 141 and an arc-shaped side 142 in adjacent disk area 13, two right-angle sides 141 and an arc-shaped side 142 form one substantially
Angle point area triangular in shape, two 141 connecting places of right-angle side make arc transition, and the center in the disk area 13 is equipped with circular the
One gear 15, the first gear 15 are driven by main motor 16 to rotate, and the orbit portion 12 is equipped with showing stand 17, described
17 outer ring of showing stand is equipped with the second gear 18 being meshed with the first gear 15, and the outer contour of the second gear 18 is ellipse
Circle, 17 two bottom sides of showing stand are respectively equipped with a slider guide 19 so that the showing stand 17 is slided along orbit portion 12
Dynamic, the angle point 143 that is transferred in the angle point area 14 is equipped with mask device 20, and the mask device 20 is included in be posted by under normal conditions
First catch 201 and the second catch 202 on 121 side wall of square loop is posted by under normal conditions in the outside of disk area 13, institute
State and compression spring 21 is equipped between the second catch 202 and angle point area 143 so that the second catch 202 is being resisted against square loop under normal conditions
On 121 side walls, the area 22 of giving up the throne for housing the second catch 202 is additionally provided with the angle point area 14, the compression spring 21, which is located at, to move back
In the area 22 of position, the medium position of the mask device 20 is rotationally connected with by catch shaft 23 to be transferred at angle point 143, described turn
Enter angle point 143 for showing stand 17 moved by 15 drives edge orbit portion 12 of first gear when, by first angle point in angle point area 14
Place, the wherein slide guide on the showing stand 17 process wherein when being transferred to angle point 143 of an angle point area 14, the showing stand 17
Block 19 moves along square loop 121 and oppresses the second catch 202 and gives up the throne to giving up the throne in area 22, first catch 201 it is outer
Edge is posted by the inner side of square loop 121, so that another slider guide 19 on the showing stand 17 is slided along circuit orbit 122.
As shown in figure 8, the arrow logo on showing stand is directed toward first gear, with the rotation of first gear, displaying is driven
Frame is moved along orbit portion, and when as shown in Figure 9, the arrow logo on showing stand deviates from first gear, therefore is illustrated as showing stand hair
180 ° of rotary movement is given birth to, its principle is, showing stand on orbit portion when moving, during by being transferred to angle point, on showing stand
A slider guide on front side of direction of advance continues on the square loop movement of periphery, and then oppressing the second catch moves back it
Position drives the outer end of the first catch to be resisted against on square loop side wall at this time to giving up the throne in area, and is opened to circuit orbit,
Square loop is closed, another slider guide on showing stand is moved along circuit orbit, when showing stand is behind angle point area, just
There occurs 180 ° of upset, the billboard established on showing stand will be realized transforms to back side content by the displaying of positive content
Displaying, the billboard of dynamic mapping can more attract the notice of other people, reach the effect publicized widely.
As shown in Figure 13 and Figure 14, transfer device 7 is additionally provided with the rack 100, the transfer device 7 is stretched including hydraulic pressure
Contracting bar 71, fixing base 72, bottom pedestal 73, bearing block 74, connecting shaft 75, transhipment motor 76, contiguous block 77, clamping jaw 78 and clamping
Pull rod 79, the bottom pedestal 73 are installed on the top of rack 100, and the hydraulic telescopic rod 71 is vertically mounted on bottom pedestal 73
On, the upper end is equipped with fixing base 72, and the bearing block 74 is located on rear side of 72 upper end of fixing base, and the transhipment motor 76 is positioned at affixed
On front side of 72 upper ends of seat, the connecting shaft 75 is horizontally arranged on bearing block 74, and its one end is connected with transhipment motor 76, the other end and
Contiguous block 77 connects, and the contiguous block 77, which is equipped with, clamps pull rod 78, and the clamping pull rod 78 is connected with clamping jaw 78, the clamping jaw
78 be symmetrical arc panel.Object is gripped by arc clamping jaw 78, hydraulic telescopic rod moves up and down, and connecting shaft is fixed on bearing block
On, the rotation of connecting shaft is driven by transporting motor, realizes the rotation of clamping jaw, gripping object can vertically or horizontally be transported pendulum
Put, conveniently while transhipment, greatly save human cost.
Watering can be also set in rack, and weeder, realizes the demand in the operation of gardens field.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (1)
1. a kind of gardens multi-function robot, including rack, it is characterised in that along the past of same level in the rack
On toward rear direction successively be equipped with the first rotation axis, the second rotation axis, the 3rd rotation axis, the 4th rotation axis, first rotation axis,
The side of second rotation axis is connected with first walking mechanism, and opposite side is connected with the second walking mechanism, the 3rd rotation axis,
The side of four rotation axis is connected with the third line and walks mechanism, and opposite side is connected with fourth line and walks mechanism, the first walking mechanism bag
The second crank for being vertically connected at first crank of first rotation axis one end, being vertically connected at second rotation axis one end is included, it is described
First crank, the second crank are isometric and parallel, and the other end of first crank and the second crank is connected by first connecting rod, institute
The both ends for stating first connecting rod are also rotatably connected to preceding rocking bar and rear rocking bar, and the preceding rocking bar and rear rocking bar are isometric and be arranged in parallel,
The preceding rocking bar is connected with the other end of rear rocking bar by second connecting rod, and the second connecting rod is located above first connecting rod, described
Preceding rocking bar is connected with supporting rod, connects at the supporting rod lower end vertically downward close to rack front end, the middle part of the second connecting rod
Be connected to landing part, the structure of first, second, third, fourth walking mechanism is identical, in the first walking mechanism before shake
It is connected in the middle part of bar by the first guide rod at rack front end, passes through the second guide rod in the middle part of the preceding rocking bar in second walking mechanism
It is connected at rack front end, the rear rocking bar middle part that described the third line is walked in mechanism is connected to rack rear end by the 3rd guide rod,
The rear rocking bar middle part that the fourth line is walked in mechanism is connected to rack rear end by the 4th guide rod, and the central rack is equipped with row
Motor is walked, the output terminal of the movable motor is connected to second, third rotation axis by belt wheel transmission, and second rotation axis is led to
Cross belt wheel transmission and be connected to the first rotation axis, the 3rd rotation axis is connected to the 4th rotation axis by belt wheel transmission；
Displaying device is provided with by supporting rack in the rack, the displaying device includes the base of a square, the bottom
Seat is equipped with orbit portion, and the orbit portion includes square loop and circuit orbit, and the circuit orbit is inscribed within square rail
Road, so as to be separated out disk area and four angle point areas on the base, each angle point area includes the phase at proximate base edge
Mutually two vertical right-angle sides and an arc-shaped side in adjacent disk area, the center in the disk area is equipped with circular first tooth
Wheel, the first gear are driven by main motor to rotate, and the orbit portion is equipped with showing stand, and the showing stand outer ring is equipped with
The second gear being meshed with the first gear, the outer contour of the second gear is oval, the showing stand bottom two
Side is respectively equipped with a slider guide so that the showing stand slides along the track, and the angle point that is transferred in the angle point area is equipped with catch
Device, the mask device include the first catch being posted by the outside of disk area and be posted by square loop side wall second
Catch, is equipped with compression spring so that the second catch is resisted against on square loop side wall between second catch and angle point area, described
The area of giving up the throne for housing the second catch is additionally provided with angle point area, the medium position of the mask device is rotated by catch shaft
Be connected to and be transferred to corner point, it is described be transferred to angle point for showing stand moved by first gear drives edge orbit portion when, by angle point area
First corner point, when the showing stand is by wherein when being transferred to angle point of an angle point area, wherein one on the showing stand
Slider guide moves along square loop and oppresses the second catch and gives up the throne to giving up the throne in area, and the outer rim of first catch is posted by just
On the inside of square track, so that another slider guide on the showing stand is slided along circuit orbit；
Transfer device is additionally provided with the rack, the transfer device includes hydraulic telescopic rod, fixing base, bottom pedestal, bearing
Seat, connecting shaft, transhipment motor, contiguous block, clamping jaw and clamping pull rod, the bottom pedestal are installed on above rack, the hydraulic pressure
Telescopic rod is vertically mounted on the pedestal of bottom, and the upper end is equipped with fixing base, and the bearing seat is described on rear side of fixing base upper end
Transhipment motor is located on front side of fixing base upper end, and the connecting shaft is horizontally arranged on bearing block, and its one end is connected with transhipment motor,
The other end is connected with contiguous block, and the contiguous block, which is equipped with, clamps pull rod, and the clamping pull rod is connected with clamping jaw, and the clamping jaw is
Symmetrical arc panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711289811.8A CN107985438A (en) | 2017-12-08 | 2017-12-08 | A kind of gardens multi-function robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711289811.8A CN107985438A (en) | 2017-12-08 | 2017-12-08 | A kind of gardens multi-function robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107985438A true CN107985438A (en) | 2018-05-04 |
Family
ID=62036568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711289811.8A Withdrawn CN107985438A (en) | 2017-12-08 | 2017-12-08 | A kind of gardens multi-function robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107985438A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497980A (en) * | 2019-09-18 | 2019-11-26 | 苏州市职业大学 | A kind of running gear of mechanical sufficient formula |
| CN111302004A (en) * | 2020-03-06 | 2020-06-19 | 熊星 | Movable automatic cement pouring device based on conveyor belt |
| CN113356300A (en) * | 2021-06-24 | 2021-09-07 | 唐国清 | Artificial aquaculture pond silt descaling machine |
-
2017
- 2017-12-08 CN CN201711289811.8A patent/CN107985438A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497980A (en) * | 2019-09-18 | 2019-11-26 | 苏州市职业大学 | A kind of running gear of mechanical sufficient formula |
| CN110497980B (en) * | 2019-09-18 | 2024-04-12 | 苏州市职业大学 | Mechanical foot type walking device |
| CN111302004A (en) * | 2020-03-06 | 2020-06-19 | 熊星 | Movable automatic cement pouring device based on conveyor belt |
| CN113356300A (en) * | 2021-06-24 | 2021-09-07 | 唐国清 | Artificial aquaculture pond silt descaling machine |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180504 |
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