CN106585776A - Pneumatic telescopic landing gear for two-wheeled vehicle - Google Patents
Pneumatic telescopic landing gear for two-wheeled vehicle Download PDFInfo
- Publication number
- CN106585776A CN106585776A CN201510661854.9A CN201510661854A CN106585776A CN 106585776 A CN106585776 A CN 106585776A CN 201510661854 A CN201510661854 A CN 201510661854A CN 106585776 A CN106585776 A CN 106585776A
- Authority
- CN
- China
- Prior art keywords
- cart
- support
- pneumatic
- wheeled vehicle
- pneumatic extension
- 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
Links
Landscapes
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to a pneumatic telescopic landing gear for a two-wheeled vehicle, belongs to the technical field of balanced support of two-wheeled vehicles and aims to solve the problems of two-wheeled vehicle stationing and supporting under low-speed driving. The pneumatic telescopic landing gear mainly comprises a pneumatic support control system, a pneumatic system, a spring energy storage mechanism and a support wheel mechanism; the pneumatic support control system automatically identifies, judges and sends an instruction or transmits a manipulator instruction to the pneumatic system; the pneumatic system converts the instruction to thrust force or pulling force to push or pull a piston rod to move; the piston rod drives the spring energy storage mechanism to work; and the spring energy storage mechanism drives the support wheel mechanism to vertically move so as to finish the supporting or non-supporting function of the two-wheeled vehicle. The pneumatic telescopic landing gear for the two-wheeled vehicle, provided by the invention, can be controlled automatically and manually, not only can be used for supporting the stationed two-wheeled vehicle, but also can support the two-wheeled vehicle under low-speed driving of the two-wheeled vehicle and can also automatically and safely identify the demands and support the two-wheeled vehicle; and the pneumatic retractable landing gear is good in installation degree of freedom, less in temperature influence, and reliable and safe in performance.
Description
Technical field
The present invention relates to cart balanced support technical field, is a kind of device for taking intelligent control method to realize the support of autobicycle autobalance.
Background technology
Now, the device that traditional cart product is mainly supported using pure artificial operation, need to completely stop manually opening center wheel vehicle supporting device in the state of traveling in vehicle.There are many shortcomings in the type support meanss：Stability is not high, it is dangerous, inconvenient operation, laborious, single function, and, the effect of this support meanss is exactly the cart for supporting under configuration state, there is no the function that lower support cart is run at a low speed in cart, it is impossible to people's functional requirement in some environments is met, such as on rainy day, under the environment such as accumulated ice road, hydrops road surface, people need without the need for operator under just can realize it is stable support cart function.In addition, from it is currently understood that the existing improved technology in terms of cart support in, also can not find one and be really achieved technology that is practical, safe and reliable and being received completely by market, Just because of this, so, the center wheel vehicle supporting device or publicly-owned old technology used in current people's daily life.
The content of the invention
Present invention aim at meeting society's demand in this regard and overcoming the above not enough, in cart balanced support technical field a kind of novel reliable solution is provided：A kind of cart pneumatic extension undercarriage.
To achieve these goals, the technical solution adopted for the present invention to solve the technical problems is：This cart pneumatic extension undercarriage, is mainly made up of pneumatic support control system, baric systerm, spring for accumulating energy mechanism, support wheel mechanism；Pneumatic support control system automatic identification, judge, send instruction or transmit manipulator instruct to baric systerm, baric systerm pushes or pull on piston rod movement by instruction morphing into thrust or pulling force, piston rod driving spring energy storage mechanism works, spring for accumulating energy mechanism drives support wheel mechanism to move up and down, and completes cart and supports or receive support function.
In cart pneumatic extension undercarriage of the present invention, the pneumatic support control system includes pneumatic extension undercarriage ECU, vehicle speed sensor, people's control panel, wire harness, baroceptor.
In cart pneumatic extension undercarriage of the present invention, the baric systerm includes air pump, trachea, exsiccator, check valve, air tank, directional control valve, cylinder, through type air gauge, air pump delivers compressed air to exsiccator by trachea, exsiccator delivers compressed air to air tank by trachea, air tank is connected by trachea with directional control valve, directional control valve is connect by trachea with cylinders, and through type air gauge is connected by trachea with air tank.
In cart pneumatic extension undercarriage of the present invention, the spring for accumulating energy mechanism includes main beam, guide pillar, triplet, adjusting pad, locking nut, adjusting nut, compression spring, triplet is mounted on cart vehicle frame, there are guide pillar chamber, cylinder chamber in triplet, guide pillar is rigidly connected with main beam, guide pillar is axially moveable in guide pillar chamber, compression spring is enclosed within guide pillar and is mounted between triplet and main beam, guide pillar loads onto adjusting nut and locking nut through adjusting pad in triplet rear enclosure.
In cart pneumatic extension undercarriage of the present invention, the cylinder is double acting single piston rod cylinder, has U-shaped to pitch on piston rod, there is push-pull arm on main beam, cylinder is mounted in triplet, and cylinder U-shaped fork is connected U-shaped fork with push-pull arm by straight pin through after cylinder chamber.
In cart pneumatic extension undercarriage of the present invention, the support wheel mechanism includes wheel carrier sleeve pipe, support wheel, wheel carrier, wheel carrier sleeve pipe is mounted on main beam, support wheel is mounted on wheel carrier, wheel carrier is telescopic joint with wheel carrier, there is limiting steering block on wheel carrier, there is steering seam on wheel carrier sleeve pipe, range of activity of the limiting steering block in seam is turned to determines support wheel steering angle.
In cart pneumatic extension undercarriage of the present invention, the pneumatic extension undercarriage ECU is controlled panel, vehicle speed sensor, air pump, baroceptor, directional control valve and is connected by wire harness with people.
In cart pneumatic extension undercarriage of the present invention, the air tank is equipped with baroceptor, check valve, blowoff valve.
In cart pneumatic extension undercarriage of the present invention, undercarriage can both have been automatically controlled or manually controlled, and spring for accumulating energy mechanism is also capable of achieving to support cart effect when air tank air pressure is less than design load.
When cart is less than a certain setting speed, or manipulator operator control panel is when sending supporting order, pneumatic extension undercarriage ECU sends supporting order and is transferred to directional control valve, directional control valve is according to instruction to cylinder stroke chamber output squeezing air, return hydraulic cylinder chamber compressed air is discharged in air by directional control valve, piston rod is from cylinder to overhanging promotion push-pull arm, push-pull arm drives main beam and guide pillar to move down along the guide pillar chamber of triplet, the wheel carrier sleeve pipe being mounted on main beam is also moved down, support wheel on the wheel carrier telescopic joint with wheel carrier lands, support wheel self can adjust level angle with cart vertical rotation and in the range of setting steering angle.
When cart is higher than a certain setting speed, or manipulator operator control panel is sent when receiving support instruction, pneumatic extension undercarriage ECU sends receipts support and instructs and be transferred to directional control valve, directional control valve is according to instruction to return hydraulic cylinder chamber output squeezing air, cylinder stroke chamber compressed air is discharged in air by directional control valve, piston rod shrinks pulling push-pull arm from outside cylinder, push-pull arm drives main beam and guide pillar to move up along the guide pillar chamber of triplet, the wheel carrier sleeve pipe being mounted on main beam is also moved up, support wheel on the wheel carrier telescopic joint with wheel carrier is liftoff and by security control in a certain position, cart enters regular driving patterns.
Implementing the beneficial effect of the cart pneumatic extension undercarriage of the present invention is：
1st, cart pneumatic extension undercarriage of the invention can not only be used to support to stay and put cart, moreover it is possible to run at a low speed lower support cart in cart, can automatic safe identification demand simultaneously support cart, have absolute dynamic load auto-lock function.
2nd, cart pneumatic extension undercarriage of the invention installation degree of freedom is good, safeguards simple, and temperature affects little, dependable performance, safety, is that vast cart user brings conveniently.
Description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, and accompanying drawing shows：
Fig. 1 is the structural representation of cart pneumatic extension undercarriage embodiment of the present invention；
Fig. 2 is positional structure schematic diagram of the embodiment illustrated in fig. 1 on cart；
Fig. 3 is embodiment illustrated in fig. 1 partial structural diagram；
Fig. 4 is the support wheel structural representation of embodiment illustrated in fig. 1；
Fig. 5 is the spring for accumulating energy mechanism structure schematic diagram of embodiment illustrated in fig. 1；
Fig. 6 is the structural representation of air cylinder of embodiment illustrated in fig. 1；
Fig. 7 is structural representation at I shown in Fig. 4；
Fig. 8 is structural representation at the air tank of embodiment illustrated in fig. 1；
Fig. 9 is the two-position-five-way solenoid valve structural representation of embodiment illustrated in fig. 1.
Label correspondence title is as follows in each accompanying drawing：
1- vehicle speed sensor，2-A tracheas，3-A wire harness，4- two-position-five-way solenoid valves，5-B wire harness，6-B tracheas，7-C tracheas，8- pneumatic extension undercarriage ECU，9- people controls panel，10-C wire harness，11-D wire harness，12-E wire harness，13- air pumps，14-D tracheas，15- through type air gauges，16-E tracheas，17-F tracheas，18- exsiccators，19- air tanks，20- cylinders，21- triplets，22- push-pull arms，30- vehicle frames，31- saddles，50- support wheels mechanism，60- spring for accumulating energy mechanism，61- straight pins，62- split pins，70- limiting steering blocks，71- turns to seam，80- baroceptors，81- check valves，82- blowoff valves，90-B gas outlets，91-A gas outlets，92-R air vents，93-P air inlets，94-S air vents，95- electromagnetic valve connection jaws，201-U shapes are pitched，202- cylinder erection supports，203- strokes chamber QI KOU，204- backhauls chamber QI KOU，205- piston rods，501- support wheels，502- wheel carriers，503- wheel carrier sleeve pipes，601- compression springs，602- guide pillars，603- locking nuts，604- cylinder chambers，605- adjusting nuts，606- adjusting pads，607- guide pillars chamber，608- main beams.
Specific embodiment
The cart pneumatic extension undercarriage of the embodiment of the present invention as shown in Figures 1 to 9, is mainly made up of pneumatic support control system, baric systerm, spring for accumulating energy mechanism 60, support wheel mechanism 50.Pneumatic support control system automatic identification, judge, send instruction or transmit manipulator instruct to baric systerm, baric systerm pushes or pull on instruction morphing piston rod 205 and moves into thrust or pulling force, the driving spring energy storage mechanism 60 of piston rod 205 works, spring for accumulating energy mechanism 60 drives support wheel mechanism 50 to move up and down, and completes cart and supports or receive support function.
As shown in Fig. 1, Fig. 8, in the present embodiment, pneumatic support control system includes pneumatic extension undercarriage ECU 8, vehicle speed sensor 1, people control panels 9, A wire harness 3, B wire harness 5, C wire harness 10, D wire harness 11, E wire harness 12, baroceptor 80.
Such as Fig. 1、Fig. 3、Fig. 6、Fig. 8、Shown in Fig. 9，In the present embodiment，Baric systerm includes air pump 13、A tracheas 2、B tracheas 6、C tracheas 7、D tracheas 14、E tracheas 16、F tracheas 17、Exsiccator 18、Check valve 81、Air tank 19、Two-position-five-way solenoid valve 4、Cylinder 20、Through type air gauge 15，Directional control valve adopts two-position-five-way solenoid valve 4，Air pump 13 delivers compressed air to exsiccator 18 by D tracheas 14，Exsiccator 18 delivers compressed air to air tank 19 by F tracheas 17，Air tank 19 is connected by B tracheas 6 with the P air inlets 93 of two-position-five-way solenoid valve 4，The A gas outlets 91 of two-position-five-way solenoid valve 4 are connected by C tracheas 7 with stroke chamber QI KOU 203，The B gas outlets 90 of two-position-five-way solenoid valve 4 are connected by A tracheas 2 with backhaul chamber QI KOU 204，Through type air gauge 15 is connected by E tracheas 16 with air tank 19.
Such as Fig. 1, Fig. 2, Fig. 3, shown in Fig. 5, in the present embodiment, spring for accumulating energy mechanism 60 includes a main beam 608, two guide pillars 602, one triplet 21, two adjusting pads 606, two locking nuts 603, two adjusting nuts 605, two compression springs 601, triplet 21 is mounted on cart vehicle frame 30, there are two guide pillar chambers 607 in triplet 21, one cylinder chamber 604, guide pillar 602 is rigidly connected with main beam 608, guide pillar 602 is axially moveable in guide pillar chamber 607, compression spring 601 is enclosed within guide pillar 602 and is mounted between triplet 21 and main beam 608, guide pillar 602 is through adjusting pad 606 in the rear enclosure of triplet 21, load onto adjusting nut 605 and locking nut 603.
As shown in Fig. 1, Fig. 3, Fig. 6, in the present embodiment, cylinder 20 is double acting single piston rod cylinder, there is U-shaped fork 201 on piston rod 205, there is push-pull arm 22 on main beam 608, cylinder 20 is mounted in triplet 21, and cylinder U-shaped is pitched 201 ends and through after cylinder chamber 604 U-shaped fork 201 is connected with push-pull arm 22 by straight pin 61.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 7, in the present embodiment, support wheel mechanism 50 includes two wheel carriers 502 of support wheel 501, two of wheel carrier sleeve pipe 503, two, wheel carrier sleeve pipe 503 is mounted on main beam 608, support wheel 501 is mounted on wheel carrier 502, wheel carrier 502 is connected with wheel carrier sleeve pipe 503, there is limiting steering block 70 on wheel carrier 502, there is steering seam 71 on wheel carrier sleeve pipe 503, range of activity of the limiting steering block 70 in seam 71 is turned to determines the steering angle of support wheel 501, and the steering angle of support wheel 501 is 5 degree in the present embodiment.
As shown in figure 8, in the present embodiment, air tank 17 is equipped with baroceptor 80, check valve 81, blowoff valve 82.
As shown in Fig. 1, Fig. 8, in the present embodiment, pneumatic extension undercarriage ECU 8 is controlled panel 9 and is connected by C wire harness 10 with people, it is connected with baroceptor 80 by D wire harness 11, it is connected with two-position-five-way solenoid valve 4 by B wire harness 5, electromagnetic valve connection jaws 95, it is connected with air pump 13 by E wire harness 12, is connected with vehicle speed sensor 1 by A wire harness 3.
As shown in figure 1, in the present embodiment, pneumatic extension undercarriage can both have been automatically controlled or manually controlled, and spring for accumulating energy mechanism 60 is also capable of achieving to support cart effect when air tank air pressure is less than design load.
Such as Fig. 1、Fig. 2、Fig. 4、Fig. 5、Shown in Fig. 6，In the present embodiment，When cart is less than a certain setting speed，Or manipulator operator control panel 9 is when sending supporting order，Pneumatic extension undercarriage ECU8 sends supporting order and is transferred to two-position-five-way solenoid valve 4，Two-position-five-way solenoid valve 4 is according to instruction to the stroke chamber output squeezing air of cylinder 20，The backhaul chamber compressed air of cylinder 20 is discharged in air by two-position-five-way solenoid valve 4，Piston rod 205 promotes push-pull arm 22 to overhanging in the cylinder 20，Push-pull arm 22 drives main beam 608 and guide pillar 602 to move down along the guide pillar chamber 607 of triplet 21，The wheel carrier sleeve pipe 503 being mounted on main beam 608 is also moved down，The support wheel 501 on wheel carrier 502 being connected with wheel carrier sleeve pipe 503 lands，Support wheel 501 self can adjust level angle with cart vertical rotation and in the range of setting steering angle.
Such as Fig. 1、Fig. 4、Fig. 5、Shown in Fig. 6，In the present embodiment，When cart is higher than a certain setting speed，Or manipulator operator control panel 9 is sent when receiving support instruction，Pneumatic extension undercarriage ECU8 sends receipts support and instructs and be transferred to two-position-five-way solenoid valve 4，Two-position-five-way solenoid valve 4 is according to instruction to the backhaul chamber output squeezing air of cylinder 20，The stroke chamber compressed air of cylinder 20 is discharged in air by two-position-five-way solenoid valve 4，Piston rod 205 pulls push-pull arm 22 from outer contraction of cylinder 20，Push-pull arm 22 drives main beam 608 and guide pillar 602 to move up along the guide pillar chamber 607 of triplet 21，The wheel carrier sleeve pipe 503 being mounted on main beam 608 is also moved up，The support wheel 501 on wheel carrier 502 that is connected with wheel carrier sleeve pipe 503 is liftoff and by security control in a certain position，Cart enters regular driving patterns.
The embodiment of above-mentioned accompanying drawing is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore all equivalent or close changes done according to principle of the invention, shape, structure, all should be covered by within protection scope of the present invention.
Claims (9)
1. a kind of cart pneumatic extension undercarriage, it is characterised in that：It is main by pneumatic support control system,
Baric systerm, spring for accumulating energy mechanism, support wheel mechanism composition；Pneumatic support control system automatic identification, sentence
Break, send instruction or transmit manipulator and instruct to baric systerm, baric systerm is by instruction morphing into thrust or drawing
Power pushes or pull on piston rod movement, and piston rod driving spring energy storage mechanism work, spring for accumulating energy mechanism drives
Support wheel mechanism moves up and down, and completes cart and supports or receive support function.
2. cart pneumatic extension undercarriage according to claim 1, it is characterised in that：The gas
Dynamic support and control system include pneumatic extension undercarriage ECU, vehicle speed sensor, people control panel, wire harness,
Baroceptor.
3. cart pneumatic extension undercarriage according to claim 1, it is characterised in that：The gas
Pressure system includes air pump, trachea, exsiccator, check valve, air tank, directional control valve, cylinder, straight-through
Formula air gauge, air pump delivers compressed air to exsiccator by trachea, and exsiccator will compress empty by trachea
Gas is transported to air tank, and air tank is connected by trachea with directional control valve, and directional control valve passes through trachea
Connect with cylinders, through type air gauge is connected by trachea with air tank.
4. cart pneumatic extension undercarriage according to claim 1, it is characterised in that：The bullet
Spring energy storage mechanism includes main beam, guide pillar, triplet, adjusting pad, locking nut, adjusting nut, compression
Spring, triplet is mounted on cart vehicle frame, there is guide pillar chamber, cylinder chamber, guide pillar and main beam in triplet
Be rigidly connected, guide pillar is axially moveable in guide pillar chamber, compression spring be enclosed within guide pillar and be mounted in triplet and
Between main beam, guide pillar loads onto adjusting nut and locking nut through adjusting pad in triplet rear enclosure.
5. cart pneumatic extension undercarriage according to claim 3, it is characterised in that：The gas
Cylinder is double acting single piston rod cylinder, has U-shaped to pitch on piston rod, there is push-pull arm on main beam, and cylinder is mounted in
In triplet, cylinder U-shaped fork is connected U-shaped fork with push-pull arm by straight pin through after cylinder chamber.
6. cart pneumatic extension undercarriage according to claim 1, it is characterised in that：Described
Cheng Lun mechanisms include wheel carrier sleeve pipe, support wheel, wheel carrier, and wheel carrier sleeve pipe is mounted on main beam, and support wheel is mounted in
On wheel carrier, wheel carrier is telescopic joint with wheel carrier, there is limiting steering block on wheel carrier, there is steering seam on wheel carrier sleeve pipe,
Range of activity of the limiting steering block in seam is turned to determines support wheel steering angle.
7. cart pneumatic extension undercarriage according to claim 2, it is characterised in that：The gas
Dynamic retractable landing gear ECU by wire harness and people control panel, vehicle speed sensor, air pump, baroceptor,
Directional control valve is connected.
8. cart pneumatic extension undercarriage according to claim 3, it is characterised in that：The storage
Inflator is equipped with baroceptor, check valve, blowoff valve.
9. cart pneumatic extension undercarriage according to claim 1, it is characterised in that：Undercarriage
Both can automatically control or manually control, spring for accumulating energy mechanism also can be real when air tank air pressure is less than design load
Now support cart effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510661854.9A CN106585776A (en) | 2015-10-14 | 2015-10-14 | Pneumatic telescopic landing gear for two-wheeled vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510661854.9A CN106585776A (en) | 2015-10-14 | 2015-10-14 | Pneumatic telescopic landing gear for two-wheeled vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106585776A true CN106585776A (en) | 2017-04-26 |
Family
ID=58552945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510661854.9A Pending CN106585776A (en) | 2015-10-14 | 2015-10-14 | Pneumatic telescopic landing gear for two-wheeled vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106585776A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108812617A (en) * | 2018-08-27 | 2018-11-16 | 董炳英 | A kind of agricultural spray machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2259343Y (en) * | 1996-01-08 | 1997-08-13 | 干振兴 | Automatic stand for cycle |
| US6022037A (en) * | 1997-12-16 | 2000-02-08 | Code; Keith | Motorbike rider training device for cornering |
| CN102442367A (en) * | 2010-10-09 | 2012-05-09 | 连三郎 | Motorcycle with automatic lifting auxiliary wheel frames |
| CN205044854U (en) * | 2015-10-14 | 2016-02-24 | 盐城玉欣电动科技有限公司 | Pneumatic telescopic undercarriage of cart |
-
2015
- 2015-10-14 CN CN201510661854.9A patent/CN106585776A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2259343Y (en) * | 1996-01-08 | 1997-08-13 | 干振兴 | Automatic stand for cycle |
| US6022037A (en) * | 1997-12-16 | 2000-02-08 | Code; Keith | Motorbike rider training device for cornering |
| CN102442367A (en) * | 2010-10-09 | 2012-05-09 | 连三郎 | Motorcycle with automatic lifting auxiliary wheel frames |
| CN205044854U (en) * | 2015-10-14 | 2016-02-24 | 盐城玉欣电动科技有限公司 | Pneumatic telescopic undercarriage of cart |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108812617A (en) * | 2018-08-27 | 2018-11-16 | 董炳英 | A kind of agricultural spray machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107499076B (en) | Spherical tank external detection working platform | |
| CN103332081B (en) | Highway-railway dual-purpose motor tractor | |
| CN100560869C (en) | Rail traveling type beam moving stillage truck | |
| CN205044854U (en) | Pneumatic telescopic undercarriage of cart | |
| CN106956915A (en) | Tipper | |
| CN105275236A (en) | Three-dimensional parking system applied to narrow and long space | |
| CN102535912A (en) | Energy-saving starlike distribution type underground stereo garage | |
| CN107448213A (en) | Self-propelled engineer machinery hand | |
| CN201604807U (en) | Boarding bridge electromechanical lifting device with hydraulic fast-descending mechanism | |
| CN106585776A (en) | Pneumatic telescopic landing gear for two-wheeled vehicle | |
| CN203557924U (en) | Highway-railway dual-purpose tractor | |
| CN201099834Y (en) | Rail type beam shifting trolley | |
| CN210500137U (en) | Auxiliary beam supporting structure of refitted vehicle | |
| CN210150709U (en) | Novel pneumatic drive oil filling riser | |
| CN207315399U (en) | Self-propelled engineer machinery hand | |
| CN201056199Y (en) | Swing joint pulling type tank truck with expanding supporting leg | |
| CN207045079U (en) | A kind of spherical tank external detection workbench | |
| CN110953926A (en) | Booster and core-level rocket binding and butting horizontal butting adjusting system and method | |
| CN201447055U (en) | Hydraulic pressure berth bogie | |
| CN204055824U (en) | A kind of lifting mode unjointed beam parking anti-slip device | |
| CN204095618U (en) | A kind of building site four-wheel transport vehicle | |
| CN204198352U (en) | Balance weight type electri forklift | |
| CN202124250U (en) | Wing opening type carriage | |
| CN208992100U (en) | A kind of street lamp mounting device | |
| CN208054815U (en) | A kind of movable type hydraulic hoistable platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170426 |