CN107161873A - A kind of portable multifunctional hand push vehicle using motor - Google Patents
A kind of portable multifunctional hand push vehicle using motor Download PDFInfo
- Publication number
- CN107161873A CN107161873A CN201710258803.0A CN201710258803A CN107161873A CN 107161873 A CN107161873 A CN 107161873A CN 201710258803 A CN201710258803 A CN 201710258803A CN 107161873 A CN107161873 A CN 107161873A
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- CN
- China
- Prior art keywords
- frame
- vehicle
- motor
- bar
- hand push
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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
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/78—Supports, e.g. outriggers, for mobile cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/061—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks characterised by having a lifting jib
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07513—Details concerning the chassis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
A kind of portable multifunctional hand push vehicle using motor of the present invention, including vehicle using motor body and vehicle using motor accessory, vehicle using motor body includes hand push frame, the transmission mechanism on vehicle frame and the running gear for driving vehicle frame to move, hand push frame is provided with frame support body, one car body support frame is hinged on the lower surface of frame support body, and locating part and frame support body formation herringbone are arranged, frame support body upper end is provided with handspike；Transmission mechanism includes hydraulically extensible bar and arm, and the lower end of hydraulically extensible bar is connected on frame support body, and the piston rod top that hydraulically extensible bar is provided with supports and is driven arm, and arm is arranged on frame support body；For the running gear for driving the vehicle frame to move, including castor and foot wheel carrier, foot wheel carrier is rotatably connected on the bottom of frame support body and car body support frame；The top of arm sets fixed fastener；Vehicle using motor accessory includes arranging ground mast-up and goods shelf, and mast-up and goods shelf are removably connected in fixed fastener.
Description
Technical field
The present invention relates to a kind of tool car, and in particular to a kind of portable multifunctional hand push vehicle using motor.
Background technology
In recent years, with the development of modern society's ecommerce, the quick demand for delivering article is increasingly vigorous, to be client
The delivery service of high-quality, the characteristics of delivery need to possess rapidity, promptness are provided.But exposed in existing express delivery is distributed compared with
Many problems, prominent be existing Transportation Enterprises mostly by traditional storage, transport enterprise make the transition, more equipment is all
Based on bulk supply tariff transport, carry, mostly courier manpower can only be leaned on to remove when goods delivery is registered one's residence, or during side street lane
Fortune is got off, and carrying is registered one's residence, and not only efficiency is low, and transporting capacity is limited, how to optimize this means of distribution, improves dispatching efficiency
As current urgent problem to be solved.
The content of the invention
To solve the problem of existing design is present, it is an object of the invention to provide one kind is foldable and use and operate all
It is convenient, the hand propelled vehicle using motor for the transporting capacity that can help to transport goods, lifted.
A kind of portable multifunctional hand push vehicle using motor of the present invention, including vehicle using motor body and vehicle using motor accessory, it is described to help
Power car body includes hand push frame, the transmission mechanism on vehicle frame and the running gear for driving vehicle frame to move,
The hand push frame is provided with frame support body, and a car body support frame is hinged on the lower surface of frame support body, and arrange locating part with
Frame support body formation herringbone, the frame support body upper end is provided with handspike；
The transmission mechanism includes hydraulically extensible bar and arm, and the lower end of the hydraulically extensible bar is connected on frame support body, institute
State the piston rod top that hydraulically extensible bar is provided with to support and be driven arm, the arm is arranged on frame support body；
The running gear for being used to drive the vehicle frame to move, including castor and foot wheel carrier, the foot wheel carrier are rotatably connected on institute
State the bottom of frame support body and car body support frame；
The top of the arm sets fixed fastener；
The vehicle using motor accessory includes arranging ground mast-up and goods shelf, and the mast-up and goods shelf are removably connected in solid
Determine fastener.
Preferably, the frame support body selects rectangular frame, includes the support bar and top of side bar and connection side bar bottom
The handspike at end, the hydraulically extensible bar lower end is connected on support bar.
Preferably, the hydraulically extensible bar is electric hydaulic expansion link, and electronic liquid is driven from portable power battery
Expansion link is pressed, the portable power battery is connected on frame support body.
Preferably, the starting switch of the portable power battery is arranged on the two ends of handspike.
Preferably, the arm includes the two long bearing bars and the two short bearing bars positioned at lower end positioned at upper end, the length
The bottom of bearing bar and the short bearing bar is arranged on the junction of side bar and handspike, and top is linked to be a quadrate support frame；Institute
Long bearing bar is stated for bent rod, be located at break bending and knuckle down, the break is arranged on the bottom of nearly long bearing bar.
Preferably, the knuckle of the long bearing bar is provided with reinforcing bar, the reinforcing bar and sets connecting rod, the hydraulically extensible
The piston rod top of bar is hinged on connecting rod.
Preferably, the fixed fastener is arranged on the upper side frame upper end of the quadrate support frame on arm top, from snap fit.
Preferably, the mast-up and goods shelf are designed with connecting hole clipping, coordinate snap fit to realize and are detachably fixed.
Preferably, the car body support frame selects quadra, is hinged on the stage casing position on side bar.
Preferably, the castor is the castor of strap brake.
Beneficial effects of the present invention are：The function of fork truck and crane easily is realized, it is quick by changing vehicle using motor accessory
Realization is lifted or pitched dress efficiently and safely operation and carrying to weight commodity, applied widely, and can be saved substantial amounts of
Manpower；Pull down after lower vehicle using motor accessory, vehicle using motor bulk volume, which can reduce, is easy to easily carrying；Made using electrokinetic cell during charging
Bracing wire energization, which is avoided the need for, for power source causes the limited trouble of job position；The small volume of device, activity is flexibly, it is possible to achieve
Job requirement in small space, folding design, convenient transport and storage；Using frame structure, material expenditure is reduced, is subtracted
Light weight, is supported using expansion link, simple in construction, it is easy to promote the use of.
Brief description of the drawings：
Fig. 1 is the structural representation of the vehicle using motor body of the present invention；
Fig. 2 is the structural representation when present invention arranges mast-up as crane；
Fig. 3 is that the present invention arranges the structural representation that goods shelf is used as fork truck；
Fig. 4 is arm of the present invention and hydraulically extensible bar size design analysis chart；
Fig. 5 is the force analysis figure of arm of the present invention；
Fig. 6 is the force analysis figure of arm of the present invention.
Embodiment：
The invention will be further described below in conjunction with the accompanying drawings：
Embodiment 1：
As shown in figures 1 to 6, a kind of portable multifunctional hand push vehicle using motor of the invention, including vehicle using motor body and vehicle using motor are matched somebody with somebody
Part, vehicle using motor body includes hand push frame, the transmission mechanism on vehicle frame and the running gear for driving vehicle frame to move, and helps
Power car accessory includes the mast-up 16 and goods shelf 17 being connected on vehicle using motor body.
Hand push frame is provided with frame support body 1 and car body support frame 2, and car body support frame 2 is hinged on the stage casing of frame support body 1, and
In hinge point Pi Pi societies locating part, to cause car body support frame 2 and the formation herringbone of frame support body 1.
Frame support body 1 is a rectangular frame, includes side bar 11a and 11b, the two side girders 11a and 11b bottoms of connection of both sides
The support bar 12 at end, and connection two side girders 11a and 11b top handspike 3, the two ends of handspike 3 stretch out side bar 11a and
11b。
Car body support frame 2 is from being also quadra, and two ends are hinged on the stage casing position on two side girders 11a and 11b.
Transmission mechanism includes hydraulically extensible bar 6 and arm 4, and the lower end of hydraulically extensible bar 6 is connected on support bar 14.
The piston rod top that hydraulically extensible bar 6 is provided with is supported and is driven arm 4, and arm 4 is arranged on frame support body 1.
Arm 4 includes the two long bearing bar 18a and 18b positioned at upper end, and two short bearing bar 19a positioned at lower end and
19b, the two long short bearing bar 19a and 19b of bearing bar 18a and 18b and two bottom are all arranged on two side girders 11a, 11b and hand push
The intersecting junction of bar 3, the two long short bearing bar 19a and 19b of bearing bar 18a and 18b and two top is all connected to square respectively
Square carriage is constituted on four angles of frame and together with square box；Long bearing bar 18a, 18b are bent rod, respectively in break
O, O ' point bending and knuckle down, two break O, O ' be arranged on convergence long bearing bar 18a, 18b bottom part.
Bearing bar 18a, 18b's two long is respectively equipped with reinforcing bar 20a and 20b on knuckle, reinforcing bar 20a and 20b it
Between be provided with connecting rod 13, the piston rod top of hydraulically extensible bar 6 is hinged on connecting rod 13.
Hydraulically extensible bar 6 selects electric hydaulic expansion link, and electric hydaulic expansion link is driven from portable power battery,
Portable power battery 10 is connected on frame support body 1.The starting switch 15 of portable power battery 10 is arranged on hand push
The two ends of bar 3.
For the running gear for driving the vehicle frame to move, including castor 12 and foot wheel carrier 8, foot wheel carrier 8 is rotatably connected on frame
The bottom of formula support body 1 and car body support frame 2；Castor 12 is the castor of strap brake.
Fixed fastener 9 is arranged on the upper side frame upper end of the quadrate support frame on the top of arm 4, and fixed fastener selects snap fit 21.
Vehicle using motor accessory mast-up 16 and goods shelf 17 are designed with connecting hole clipping 7, are removably connected in snap fit 21 and realize
Vehicle using motor accessory is detachably fixed with vehicle using motor body.
In the present embodiment, when hydraulically extensible bar 6 extends, arm 4 is lifted, when hydraulically extensible bar 6 bounces back under arm 4
Drop, car body support frame can be turned down, and make the vehicle using motor bulk volume after gathering more small, be easy to easily carrying.This vehicle using motor
Front-wheel install reach that the wheel installed on suitable toe-in value, support frame reaches the back rake angle of standard, two-wheeled installation site
Design ensure car body carry out portability and direction it is handling.
Switch 10 is located at both sides, and the lifting of the switch control arm of side primarily serves the effect for weight of slinging and land；
The rotation of the switch control goods shelf of opposite side, it is ensured that goods keeps balance in hoisting process, and two controlling switches are filled respectively
By the handrail on both sides, control during convenient working.
Mast-up 16 is made up of Rhizoma Sparganii column holder, hanger, chain sling and suspension hook, and mast-up can be arranged on car body by hanger
The used time can also not remove quickly the leading portion of arm.Suspension hook carries clamping lock, it is ensured that the fastness of lifting commodity, chain sling and suspension hook are logical
Cross the front end that a universal joint is arranged on Rhizoma Sparganii column holder, it is ensured that position can be very good regulation in commodity hoisting process.
Reasonable for design, for the use demand in conventional express delivery, arm and hydraulically extensible bar should in the present embodiment
When following design：
Size on arm and expansion link：
Due to max=1200 millimeters of raising maximum height H, influence of the Lifting device to lifting altitude, estimation arm top are considered further that
The height of end from the ground is 1600 millimeters, if the inclination angle of arm bar is 60 °, in right angled triangle DBC,
sin60°=CM/AC
AC=CM/sin60°=1500/0.866=1730 mm
The top B points of arm are located approximately at the 2/3 of AC, and it is BA, BD projection angle, i.e. DB now to take in the mm of AB=1150, figure 20 °
With DC angle.In triangle DBC, ∠ is obtained DBC=100 ° using sine：
In right angled triangle B ' C ' D ',
B’D’=B’E’/cos15°=1050 mm
Therefore the mm of B ' E '=B ' D '=1050
Material on arm is selected, the force diagram of arm clear and definite first, referenced strength condition,
In order to seek Fb, each power can be set to the torque sum of A points as zero, such as Fig. 5 or with 6, i.e.,：
G*L1-Pmax*L2-Fb*L3=0
In formula L1, L2, L3 be A points to each line of force of G, Pmax, Fb distance, that is, the arm of force length.
L1=AC*sin30°=AC*sin30°=500 mm
L2=AC*sin70°=120 mm
L3=AB*sin20°=230 mm
So obtaining 150*9.8*500-90*9.8*120-Fb*230=0
Fb=2735 N
XOY rectangular coordinate systems are now pressed, Jiang Geli is decomposed into the component of X and Y coordinates, obtained：
Fbx=Fb*cos20°=2570 N
Fby=Fb*sin20°=935 N
Gx=G*cos30°=1299 N
Gy=G*sin30°=750 N
Px=Pm*cos7°=684 N
Py=Pm*sin7°=84 N
According to equilibrium condition that is X-direction component and being zero, it can obtain：
Gx-Fbx+Fax+Px=0
Fax=Fbx-Gx-Px=1271 N
According to equilibrium condition that is Y-direction component and being zero, it can obtain：
-Gy+Py+Fby+Fay=0
Fay=Gy-Fby=-185 N
Symbol description Fay with assume on figure it is in opposite direction.
If arm selects hot-rolled square steel, its material is A3, with reference to metallurgical industry publishing house《Introduction is learnt by oneself in Machine Design》
Table 2-5, the need bending stress looked into【σ】=120 kg/centimetre ^2, it is contemplated that there is impact the moment that lifting heavy starts and stopped
Load, should suitably reduce permissible bending stress, first go【σ】=1000 kilograms per centimeter ^2, according to strength condition
σ max=Mmax/W is curved<=σ is curved
Material on hydraulically extensible bar is selected：
Because arm is equal in magnitude with Fb by one, directed force F b effects in opposite direction, will using parallelogram law
Fb is decomposed into equal Fd and Fe two power, i.e., two support bars are by two equal pressure.The folder of known two support bar
Angle is 30 °, is obtained according to the cosine law：
Fb^2=Fd^2+Fe^2-2Fd*Fe*cos150°
Fd=Fe
Fb^2=2Fd^2-2Fd^2*cos150°=3.74Fd^2
Fd^2=Fb^2/3.74
The N of Fd=radical sign 1/3.74Fb=1350
If it is hot-rolled square steel to select arm, its material is A3, with reference to metallurgical industry publishing house《Introduction is learnt by oneself in Machine Design》Table 2-
2, the need bending stress looked into【σ】=100 kilograms per centimeter ^2, according to strength condition formula
σ presses max=Pmax/A<=σ is pressed
Embodiment described above is merely to illustrate the technological thought and feature of the present invention, and its object is to make skill in the art
Art personnel can understand the content of this patent and implement according to this, it is impossible to the protection domain of this patent is only limited with the present embodiment,
Equal change or modification that i.e. all spirit according to disclosed in this patent is made, still fall within the protection domain of this patent.
Claims (10)
1. a kind of portable multifunctional hand push vehicle using motor, it is characterised in that：It is described to help including vehicle using motor body and vehicle using motor accessory
Power car body includes hand push frame, the transmission mechanism on vehicle frame and the running gear for driving vehicle frame to move,
The hand push frame is provided with frame support body（1）, a car body support frame（2）It is hinged on frame support body（1）Lower surface, and arrange
Locating part and frame support body（1）Form herringbone, the frame support body（1）Upper end is provided with handspike（3）；
The transmission mechanism includes hydraulically extensible bar（6）And arm（4）, the hydraulically extensible bar（6）Lower end be connected to frame
Support body（1）On, the hydraulically extensible bar（6）The piston rod top being provided with supports and is driven arm（4）, the arm（4）Install
In frame support body（1）On；
The running gear for being used to drive the vehicle frame to move, including castor（12）And foot wheel carrier（8）, the foot wheel carrier（8）Turn
It is dynamic to be connected to the frame support body（1）With car body support frame（2）Bottom；
The arm（4）Top set fixed fastener（9）；
The vehicle using motor accessory includes arranging ground mast-up（16）And goods shelf（17）, the mast-up（16）And goods shelf（17）
Removably it is connected in fixed fastener（9）.
2. portable multifunctional hand push vehicle using motor as claimed in claim 1, it is characterised in that：The frame support body（1）From
Rectangular frame, including side bar（11a, 11b）With connection side bar（11a, 11b）The support bar of bottom（14）With the handspike on top
（3）, the hydraulically extensible bar（6）Lower end is connected to support bar（14）On.
3. portable multifunctional hand push vehicle using motor as claimed in claim 1 or 2, it is characterised in that：The hydraulically extensible bar（6）
For electric hydaulic expansion link, electric hydaulic expansion link, the portable power battery are driven from portable power battery
（10）It is connected to frame support body（1）On.
4. portable multifunctional hand push vehicle using motor as claimed in claim 3, it is characterised in that：The portable power battery
（10）Starting switch（15）It is arranged on handspike（3）Two ends.
5. the portable multifunctional hand push vehicle using motor as described in any one of claim 1,2,4 claim, it is characterised in that：Institute
State arm（4）Including the two long bearing bars positioned at upper end（18a, 18b）With the two short bearing bars positioned at lower end（19a, 19b）, institute
State long bearing bar（18a, 18b）With the short bearing bar（19a, 19b）Bottom be arranged on side bar（11a, 11b）And handspike
（3）Junction, top, which is connected on the angle of square box, forms carriage；The long bearing bar（18a, 18b）For bent rod, if
In break（O, O '）Point bending and knuckle down, the break（O, O '）It is arranged on nearly long bearing bar（18a, 18b）Bottom.
6. portable multifunctional hand push vehicle using motor as claimed in claim 5, it is characterised in that：The long bearing bar（18a,
18b）Knuckle be provided with reinforcing bar（20a, 20b）, the reinforcing bar（20a, 20b）On set connecting rod（13）, the hydraulically extensible
Bar（6）Piston rod top be hinged on connecting rod（13）On.
7. portable multifunctional hand push vehicle using motor as claimed in claim 6, it is characterised in that：The fixed fastener（9）Set
In arm（4）The upper side frame upper end of the quadrate support frame on top, from snap fit（21）.
8. portable multifunctional hand push vehicle using motor as claimed in claim 7, it is characterised in that：The mast-up（16）And pallet fork
Frame（17）It is designed with connecting hole clipping（7）, coordinate snap fit（21）Realization is detachably fixed.
9. the portable multifunctional hand push vehicle using motor as described in any one of claim 1,2,4,6,7,8 claim, its feature
It is：The car body support frame（2）From quadra, side bar is hinged on（11a, 11b）On stage casing position.
10. the portable hand propelled vehicle using motor of multi-functional function as described in any one of claim 1,2,4,6,7,8 claim, its
It is characterised by：The castor（12）For the castor of strap brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710258803.0A CN107161873A (en) | 2017-04-19 | 2017-04-19 | A kind of portable multifunctional hand push vehicle using motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710258803.0A CN107161873A (en) | 2017-04-19 | 2017-04-19 | A kind of portable multifunctional hand push vehicle using motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107161873A true CN107161873A (en) | 2017-09-15 |
Family
ID=59813363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710258803.0A Pending CN107161873A (en) | 2017-04-19 | 2017-04-19 | A kind of portable multifunctional hand push vehicle using motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107161873A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108675219A (en) * | 2018-04-15 | 2018-10-19 | 浙江师范大学 | With the handling and loading mechanism from horizontal fork body structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5372470A (en) * | 1993-11-15 | 1994-12-13 | Savage Bros. Co. | Lift truck |
| CN203141486U (en) * | 2013-03-25 | 2013-08-21 | 沈锡鹤 | Material loading and unloading mechanical arm mechanism |
| CN106006438A (en) * | 2016-07-28 | 2016-10-12 | 李文龙 | Multifunctional hydraulic crane |
| CN205820779U (en) * | 2016-07-28 | 2016-12-21 | 李文龙 | A kind of multifunction hydraulic crane |
-
2017
- 2017-04-19 CN CN201710258803.0A patent/CN107161873A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5372470A (en) * | 1993-11-15 | 1994-12-13 | Savage Bros. Co. | Lift truck |
| CN203141486U (en) * | 2013-03-25 | 2013-08-21 | 沈锡鹤 | Material loading and unloading mechanical arm mechanism |
| CN106006438A (en) * | 2016-07-28 | 2016-10-12 | 李文龙 | Multifunctional hydraulic crane |
| CN205820779U (en) * | 2016-07-28 | 2016-12-21 | 李文龙 | A kind of multifunction hydraulic crane |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108675219A (en) * | 2018-04-15 | 2018-10-19 | 浙江师范大学 | With the handling and loading mechanism from horizontal fork body structure |
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Application publication date: 20170915 |
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