CN108381576A - A kind of mechanical hand implement of the gardens with air cleaning unit - Google Patents

A kind of mechanical hand implement of the gardens with air cleaning unit Download PDF

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Publication number
CN108381576A
CN108381576A CN201810163551.8A CN201810163551A CN108381576A CN 108381576 A CN108381576 A CN 108381576A CN 201810163551 A CN201810163551 A CN 201810163551A CN 108381576 A CN108381576 A CN 108381576A
Authority
CN
China
Prior art keywords
rotating cylinder
crank
rack
rotation
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810163551.8A
Other languages
Chinese (zh)
Inventor
盛海
Original Assignee
盛海
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 盛海 filed Critical 盛海
Priority to CN201810163551.8A priority Critical patent/CN108381576A/en
Publication of CN108381576A publication Critical patent/CN108381576A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B51/00Undercarriages specially adapted for mounting-on various kinds of agricultural tools or apparatus
    • A01B51/02Undercarriages specially adapted for mounting-on various kinds of agricultural tools or apparatus propelled by a motor
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B71/00Construction or arrangement of setting or adjusting mechanisms, of implement or tool drive or of power take-off; Means for protecting parts against dust, or the like; Adapting machine elements to or for agricultural purposes
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D69/00Driving mechanisms or parts thereof for harvesters or mowers
    • A01D69/02Driving mechanisms or parts thereof for harvesters or mowers electric
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D69/00Driving mechanisms or parts thereof for harvesters or mowers
    • A01D69/06Gearings
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D75/00Accessories for harvesters or mowers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J15/00Gripping heads and other end effectors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J15/00Gripping heads and other end effectors
    • B25J15/02Gripping heads and other end effectors servo-actuated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25JMANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J19/00Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators

Abstract

The invention discloses a kind of mechanical hand implement of gardens with air cleaning unit, including rack, the rack is equipped with speed-changing driving device, the speed-changing driving device includes driving motor, belt pulley, crank holder, crank, sliding slot, sliding block, output wheel, the crank holder is set in rack, it is rotatablely equipped with crank on the crank holder, the round end of the crank is equipped with belt pulley, the belt pulley motor driving driven, the turn over end of the crank is connected with idler wheel, the sliding slot is set in rack, it is provided with screw rod along its length in the sliding slot, the sliding block is bolted on the screw rod, the sliding block is equipped with output shaft.The speed-changing driving device of the present invention is by the movement of screw rod adjusting slider, to make output wheel have the function of the state transformation of uniform motion and non-uniform movement, to have effects that be not easy to block cutter head in the operations such as loosen the soil, mow.

Description

A kind of mechanical hand implement of the gardens with air cleaning unit
Technical field
The present invention relates to mechanical work technical fields, and in particular to a kind of mechanical hand of the gardens with air cleaning unit Implement.
Background technology
Currently, robot manipulator structure design is complicated, and it is of high cost, it needs to improve;It loosens the soil, be easy to block cutter head in cutting operation, It needs to improve.
Invention content
(1) technical problems to be solved
The technical problem to be solved in the present invention is to provide a kind of gardens to be set with the machine manual task with air cleaning unit It is standby, it is complicated to solve robot manipulator structure design in the prior art, it is of high cost, and loosen the soil, be easy to block cutter head in cutting operation The problem of.
(2) technical solution
In order to solve the above technical problems, the technical solution adopted in the present invention is:A kind of gardens, which are used, has air purification dress The mechanical hand implement set, including rack, the rack are equipped with speed-changing driving device, and the speed-changing driving device includes driving Dynamic motor, pulley, crank holder, crank, sliding slot, sliding block, output wheel, the crank holder are set in rack, the song Crank is rotatablely equipped on handle holder, the round end of the crank is equipped with belt pulley, and the belt pulley motor driven drives, The turn over end of the crank is connected with idler wheel, and the sliding slot is set in rack, and spiral shell is provided with along its length in the sliding slot Bar is bolted with the sliding block on the screw rod, and the sliding block is equipped with output shaft, and the output shaft is rotatablely connected output wheel, institute The groove that output wheel is equipped with strip is stated, the idler wheel is set in the groove, the output shaft and belt pulley institute Rotation axis axis be located in same level, the belt pulley drives crank rotation to drive output rotation by idler wheel It is dynamic;
Be additionally provided with air cleaning unit in the rack, the air cleaning unit include clarifier shell, bottom pedestal, Air purifier air inlet, filter screen, air humidifier, ion purifier, Boiler pressure control circuit, clarifier gas outlet, control Device and transmission device, the clarifier shell are mounted on the pedestal of bottom, and the air purifier air inlet is mounted on clarifier The side of shell, the filter screen are mounted in clarifier shell and are connect with air purifier air inlet, the air wetting Device is connect with filter screen, and the ion purifier is connect with air humidifier, and the Boiler pressure control circuit is mounted on ion cleaning The lower section of device, the clarifier gas outlet are mounted on the other side of clarifier shell and are connect with ion purifier, the control Device is mounted on the pedestal of bottom, and the controller is electrical connected with ion purifier, air humidifier, the transmission device installation It is connect above the pedestal of bottom and with the controller in clarifier shell.
The rack is equipped with mechanical arm, and the mechanical arm connects robot device, and the robot device includes connection Mounting hole is equipped in the middle part of the support plate on mechanical arm, the support plate, rotation is described equipped with the first rotating cylinder in the mounting hole Rotation is equipped with manipulator rotating cylinder in first rotating cylinder, and first rotating cylinder and manipulator rotating cylinder are located at the both sides of support plate, and described the Internal messing toothed type ratchet is equipped in one rotating cylinder, the one end of the manipulator rotating cylinder is connected with pawl by ratchet spring, described Ratchet spring forces the pawl to be meshed with the internal messing toothed type ratchet and realizes single-direction transmission, the outer end of first rotating cylinder Face is equipped with convex annular wheel face, and the support plate is connected with rectangular sliding sleeve by strut, and sliding is equipped with rectangular in the rectangular sliding sleeve Slide bar, the rectangular slide bar pass through the manipulator rotating cylinder, the axial direction of the glide direction and manipulator rotating cylinder of the rectangular slide bar Parallel, one end of the rectangular slide bar is equipped with transverse support bar, and tension spring, institute are equipped between the transverse support bar and support plate Transverse support bar is stated equipped with bar is supported, the bar of supporting is connected to by the active force of tension spring on convex annular wheel face always, described It is set on the side adjacent with manipulator rotating cylinder in support plate there are two limiting steering column, the manipulator rotating cylinder is equipped with limit convex Portion, when manipulator drum rotation, the stopper protrusion can be resisted against two limiting steering columns, so that the manipulator rotating cylinder Angle of rotation be limited within the scope of 130 °, the ratchet of the internal messing toothed type ratchet is laid with 3, the manipulator rotating cylinder Rotation moves to next ratchet, the rotation of first rotating cylinder with pawl from a ratchet of the internal messing toothed type ratchet Bar is supported by the drive of convex annular wheel face to move along supporting pole length direction.
(3) advantageous effect
The present invention is compared to the prior art, has the advantages that:
The robot device of the present invention makes rectangular slide bar that stroke variation occur by the rotation of manipulator rotating cylinder, to Realize that the conversion of mechanical finger function, simple in structure, reasonable design have practicability.The speed-changing driving device of the present invention passes through The movement of screw rod adjusting slider, to make output wheel have the function of the state transformation of uniform motion and non-uniform movement, thus Loosening the soil, mow etc. in operations has effects that be not easy to block cutter head.
Description of the drawings
Fig. 1 is the layout of the present invention.
Fig. 2 is the structure chart of the speed-changing driving device of the present invention.
Fig. 3 is the exploded view of the speed-changing driving device of the present invention.
Fig. 4 is the stereogram of the robot device of the present invention.
Fig. 5 is the exploded view of the robot device of the present invention.
Fig. 6 is the structure chart of the manipulator rotating cylinder of the robot device of the present invention.
Fig. 7 is the structure chart of the first rotating cylinder of the robot device of the present invention.
Fig. 8 is the structure chart of the support plate of the robot device of the present invention.
Fig. 9 is the structure chart of the air cleaning unit of the present invention.
Specific implementation mode
With reference to the accompanying drawings and embodiments, the specific implementation mode of the present invention is described in further detail.Implement below Example is not limited to the scope of the present invention for illustrating the present invention.
As shown in Figure 1 to Figure 3, the present invention provides a kind of mechanical hand implement of the gardens with air cleaning unit, Including rack 100, the rack 100 be equipped with speed-changing driving device 40, the speed-changing driving device 40 include driving motor (not Diagram), belt pulley 41, crank holder 42, crank 43, sliding slot 44, sliding block 45, output wheel 46, the crank holder 42 is set to In rack 100, crank 43 is rotatablely equipped on the crank holder 42, the round end of the crank 43 is equipped with belt pulley 41, 41 motor driven of the belt pulley drives and rotates, and the turn over end of the crank 43 is rotatably connected to idler wheel 47, the sliding slot 44 are set in rack 100, are provided with screw rod 48 in the sliding slot 44 along its length, the cunning is bolted on the screw rod 48 Block 45, the sliding block 45 are equipped with output shaft 49, and the output shaft 49 is rotatablely connected output wheel 46, and the output wheel 46 is equipped with The groove 461 of strip, the setting direction of the groove 461 and the radius of the output wheel 46 coincide, and the idler wheel 47 is set It being placed in the groove 461, the rotation axis axis where the output shaft 49 and the belt pulley 41 is located in same level, The belt pulley 41 drives the rotation of crank 43 to drive output wheel 46 to rotate by idler wheel 47;One end of the screw rod 48 is equipped with Handle 50.In actual job, output wheel can be used for connection operation cutter head, and operation cutter head can be loosen the soil use or use etc. of mowing Deng, when the pivot center of output shaft and belt pulley is located along the same line, output wheel output be uniform motion, be suitable for make The good situation of industry object;It is defeated when output shaft is located at from the pivot center of belt pulley on different straight lines after driving screw rod Go out wheel output is non-uniform movement, and speed and torque constantly change, and contribute to the blocking for understanding cutter head.
As shown in Fig. 1, Fig. 4 to Fig. 8, the rack 100 is equipped with mechanical arm 11, and the mechanical arm 11 connects manipulator dress 10 are set, the robot device 10 includes the support plate 12 being connected on mechanical arm 11, and 12 middle part of the support plate is equipped with installation Hole 13, the interior rotation of the mounting hole 13 are equipped with the first rotating cylinder 14, and rotation is equipped with manipulator rotating cylinder 15, institute in first rotating cylinder 14 It states the first rotating cylinder 14 and manipulator rotating cylinder 15 is located at the both sides of support plate 12, the mounting hole 13, the first rotating cylinder 14, manipulator turn Cylinder 15 is coaxial arrangement, and internal messing toothed type ratchet 141, the one end of the manipulator rotating cylinder 15 are equipped in first rotating cylinder 14 It is connected with pawl 17 by ratchet spring 16, the ratchet spring 16 forces the pawl 17 and the internal messing toothed type ratchet 141, which are meshed, realizes single-direction transmission, so that after manipulator turn 15 turns over an angle, pawl 17 is engaged in internal meshing ratchet 141, the outer end face of first rotating cylinder 14 is equipped with convex annular wheel face 142, and the support plate 12 is connected with rectangular by strut 18 Sliding sleeve 19,19 and first rotating cylinder 14 of the rectangular sliding sleeve are set to the homonymy of support plate 12, slide and be equipped in the rectangular sliding sleeve 19 Rectangular slide bar 20, the rectangular slide bar 20 pass through the manipulator rotating cylinder 15, glide direction and the machinery of the rectangular slide bar 20 The axial direction of hand rotating cylinder 15 is parallel, and one end of the rectangular slide bar 20 is equipped with transverse support bar 21, the transverse support bar 21 with Tension spring 22 is equipped between support plate 12, the transverse support bar 21 is equipped with and supports bar 23, and the bar 23 of supporting is by tension spring 22 Active force is connected to always on convex annular wheel face 142, the axial phase of the setting direction for supporting bar 23 and manipulator rotating cylinder 15 It is parallel, set that there are two limiting steering column 24, the manipulators in the support plate 12 on the side adjacent with manipulator rotating cylinder 15 Rotating cylinder 15 is equipped with stopper protrusion 25, the manipulator rotating cylinder 15 when rotating the stopper protrusion 25 can be resisted against two and turn to limit Position column 24, so that the angle of rotation of the manipulator rotating cylinder 15 is limited within the scope of 130 °, the spine of the internal messing toothed type ratchet 141 Tooth is laid with 3, and the rotation of the manipulator rotating cylinder 15 is with pawl 17 from a spine of the internal messing toothed type ratchet 141 Tooth moves to next ratchet, and the rotation of first rotating cylinder 14 supports bar 23 along supporting bar by the drive of convex annular wheel face 142 Length direction moves, and to drive rectangular slide bar 20 to be moved along rectangular sliding sleeve 19, on convex annular wheel face there are 3 positioning regions to be used for Position rectangular slide bar.
The course of work of the robot device is as follows:Manipulator rotating cylinder 15 is by the drive (not shown) of manipulator motor Realize positive and negative rotation, due to the limitation of two limiting steering columns, the angle of rotation of manipulator rotating cylinder 15 is limited within the scope of 130 °, machine Tool hand rotating cylinder only when rotation is abutted against to a wherein limiting steering column, just can make pawl 17 be engaged to internal messing toothed type ratchet 141, then the first rotating cylinder 14 can just be driven to rotate together, the first rotating cylinder will not be driven and rotate, first turn in the case of remaining Cylinder 14 is every time after 120 ° of rotation, and relative motion will be occurred with convex annular wheel face 142 by supporting bar 23, therefore rectangular slide bar 20 can have There are 3 movement travels, this 3 movement travels are transmitted to the mechanical finger (not shown) of end, there can be 3 specific actions State, such as correspond to the expansion of mechanical finger, hold, clutch state, in each state, manipulator rotating cylinder 15 can be certain Positive and negative rotation in angle, without the transformation of Crush trigger mobile phone state.
As shown in Fig. 1 and Fig. 9, air cleaning unit 70 is additionally provided in the rack 100, the air cleaning unit 70 wraps Include clarifier shell 71, bottom pedestal 72, air purifier air inlet 73, filter screen 74, air humidifier 75, ion purifier 76, Boiler pressure control circuit 77, clarifier gas outlet 78, controller 79 and transmission device 80, the clarifier shell 71 are mounted on On bottom pedestal 72, the air purifier air inlet 73 is mounted on the side of clarifier shell 71, and the filter screen 74 is installed It is connect in clarifier shell 71 and with air purifier air inlet 73, the air humidifier 75 is connect with filter screen 74, institute Ion purifier 76 to be stated to connect with air humidifier 75, the Boiler pressure control circuit 77 is mounted on the lower section of ion purifier 76, The clarifier gas outlet 78 is mounted on the other side of clarifier shell 71 and is connect with ion purifier 76, the controller 79 On bottom pedestal 72, the controller 79 is electrical connected with ion purifier 76, air humidifier 75, the transmission dress 80 are set to be mounted on 72 top of bottom pedestal and connect with the controller 79 in clarifier shell 71.The work of the air cleaning unit It is as follows to make principle:Air is entered by clarifier air inlet, humidifier is entered after filter screen filtration dust, by humidifier to sky Gas is humidified, then is purified to air by ion evolution device, and then purified air is discharged by gas outlet.The sky The ion purifier and air humidifier of air purifying apparatus purify air, simple in structure, easy to use, to the net of air Change efficient.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications Also it should be regarded as protection scope of the present invention.

Claims (2)

1. a kind of gardens the mechanical hand implement with air cleaning unit, including rack, which is characterized in that the rack It is equipped with speed-changing driving device, the speed-changing driving device includes driving motor, belt pulley, crank holder, crank, sliding slot, cunning Block, output wheel, the crank holder are set in rack, and crank, the rotation of the crank are rotatablely equipped on the crank holder Turn end and belt pulley is installed, the belt pulley motor driving driven, the turn over end of the crank is connected with idler wheel, the sliding slot It is set in rack, is provided with screw rod in the sliding slot along its length, the sliding block, the sliding block are bolted on the screw rod It is equipped with output shaft, the output shaft is rotatablely connected output wheel, and the output wheel is equipped with the groove of strip, and the idler wheel is set It is placed in the groove, the rotation axis axis where the output shaft and the belt pulley is located in same level, the skin Belt wheel drives crank rotation to drive output wheel rotation by idler wheel;
Air cleaning unit is additionally provided in the rack, the air cleaning unit includes clarifier shell, bottom pedestal, air Clarifier air inlet, filter screen, air humidifier, ion purifier, Boiler pressure control circuit, clarifier gas outlet, controller and Transmission device, the clarifier shell are mounted on the pedestal of bottom, and the air purifier air inlet is mounted on clarifier shell Side, the filter screen is mounted in clarifier shell and connect with air purifier air inlet, the air humidifier and Filter screen connects, and the ion purifier is connect with air humidifier, and the Boiler pressure control circuit is mounted on ion purifier Lower section, the clarifier gas outlet are mounted on the other side of clarifier shell and are connect with ion purifier, the controller peace On the pedestal of bottom, the controller is electrical connected with ion purifier, air humidifier, and the transmission device is mounted on bottom It is connect above portion's pedestal and with the controller in clarifier shell.
2. rack according to claim 1, which is characterized in that the rack is equipped with mechanical arm, the mechanical arm connection Robot device, the robot device include the support plate being connected on mechanical arm, and mounting hole is equipped in the middle part of the support plate, Rotation is equipped with the first rotating cylinder in the mounting hole, in first rotating cylinder rotation be equipped with manipulator rotating cylinder, first rotating cylinder and Manipulator rotating cylinder is located at the both sides of support plate, and internal messing toothed type ratchet is equipped in first rotating cylinder, the manipulator rotating cylinder One end is connected with pawl by ratchet spring, and the ratchet spring forces the pawl mutually to be nibbled with the internal messing toothed type ratchet It closes and realizes single-direction transmission, the outer end face of first rotating cylinder is equipped with convex annular wheel face, and the support plate passes through the strut side of being connected with Shape sliding sleeve, the interior sliding of the rectangular sliding sleeve are equipped with rectangular slide bar, and the rectangular slide bar passes through the manipulator rotating cylinder, described rectangular The glide direction of slide bar is parallel with the axial direction of manipulator rotating cylinder, and one end of the rectangular slide bar is equipped with transverse support bar, described Tension spring is equipped between transverse support bar and support plate, the transverse support bar is equipped with and supports bar, and the bar of supporting is by tension spring Active force is connected to always on convex annular wheel face, sets that there are two turn in the support plate on the side adjacent with manipulator rotating cylinder Limited post, the manipulator rotating cylinder are equipped with stopper protrusion, and when manipulator drum rotation, the stopper protrusion can be resisted against Two limiting steering columns, so that the angle of rotation of the manipulator rotating cylinder is limited within the scope of 130 °, the internal messing toothed type ratchet Ratchet be laid with 3, the rotation of the manipulator rotating cylinder is with pawl from a ratchet of the internal messing toothed type ratchet Next ratchet is moved to, the rotation of first rotating cylinder is supported bar by the drive of convex annular wheel face and transported along pole length direction is supported It is dynamic.
CN201810163551.8A 2018-02-27 2018-02-27 A kind of mechanical hand implement of the gardens with air cleaning unit Pending CN108381576A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810163551.8A CN108381576A (en) 2018-02-27 2018-02-27 A kind of mechanical hand implement of the gardens with air cleaning unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810163551.8A CN108381576A (en) 2018-02-27 2018-02-27 A kind of mechanical hand implement of the gardens with air cleaning unit

Publications (1)

Publication Number Publication Date
CN108381576A true CN108381576A (en) 2018-08-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810163551.8A Pending CN108381576A (en) 2018-02-27 2018-02-27 A kind of mechanical hand implement of the gardens with air cleaning unit

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2250218Y (en) * 1995-12-05 1997-03-26 鞍山钢铁公司 Hand-held automatic magnetic force fixing saw machine
CN102928305A (en) * 2012-11-14 2013-02-13 中国建筑第八工程局有限公司 Resonant mode composite material sheet fatigue tester
CN203417464U (en) * 2013-07-02 2014-02-05 广东澄星航模科技有限公司 Model airplane of single-airscrew multi-connecting-rod structure
CN103644273A (en) * 2013-11-25 2014-03-19 重庆市璧山爱华有限责任公司 Assembly machine speed change rotating mechanism
CN205388031U (en) * 2016-03-09 2016-07-20 西南石油大学 Adjustable electric fan angle of oscillation device
CN206045102U (en) * 2016-07-21 2017-03-29 翁建森 A kind of automated injection device with safety protection mechanism scalable dosage
CN206739433U (en) * 2017-03-14 2017-12-12 海门市苍云机械有限公司 A kind of Household air purifier
CN107660935A (en) * 2017-10-30 2018-02-06 宁波景珍堂生物科技有限公司 Multifunctional baby health bed

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2250218Y (en) * 1995-12-05 1997-03-26 鞍山钢铁公司 Hand-held automatic magnetic force fixing saw machine
CN102928305A (en) * 2012-11-14 2013-02-13 中国建筑第八工程局有限公司 Resonant mode composite material sheet fatigue tester
CN203417464U (en) * 2013-07-02 2014-02-05 广东澄星航模科技有限公司 Model airplane of single-airscrew multi-connecting-rod structure
CN103644273A (en) * 2013-11-25 2014-03-19 重庆市璧山爱华有限责任公司 Assembly machine speed change rotating mechanism
CN205388031U (en) * 2016-03-09 2016-07-20 西南石油大学 Adjustable electric fan angle of oscillation device
CN206045102U (en) * 2016-07-21 2017-03-29 翁建森 A kind of automated injection device with safety protection mechanism scalable dosage
CN206739433U (en) * 2017-03-14 2017-12-12 海门市苍云机械有限公司 A kind of Household air purifier
CN107660935A (en) * 2017-10-30 2018-02-06 宁波景珍堂生物科技有限公司 Multifunctional baby health bed

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Application publication date: 20180810