CN108909855A - Hydraulic hitcher type electrically propelled traction vehicle - Google Patents
Hydraulic hitcher type electrically propelled traction vehicle Download PDFInfo
- Publication number
- CN108909855A CN108909855A CN201810894084.6A CN201810894084A CN108909855A CN 108909855 A CN108909855 A CN 108909855A CN 201810894084 A CN201810894084 A CN 201810894084A CN 108909855 A CN108909855 A CN 108909855A
- Authority
- CN
- China
- Prior art keywords
- hitcher
- hydraulic
- cabinet
- sets
- hitch frame
- 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
- 238000009434 installation Methods 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 238000005086 pumping Methods 0.000 claims description 10
- 241000283973 Oryctolagus cuniculus Species 0.000 claims description 5
- 241000270708 Testudinidae Species 0.000 claims description 5
- 210000001015 abdomen Anatomy 0.000 claims description 5
- 241001669679 Eleotris Species 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000003086 colorant Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D49/00—Tractors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/01—Traction couplings or hitches characterised by their type
- B60D1/04—Hook or hook-and-hasp couplings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B45/00—Hooks; Eyes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Body Structure For Vehicles (AREA)
- Handcart (AREA)
Abstract
The invention discloses hydraulic hitcher type electrically propelled traction vehicles, by box assembly（1）, hand handle（2）, hitch frame（3）, drive part（4）, universal wheel（5）, brake（6）, electric hydaulic hitcher（7）Composition.Cabinet（11）Leading flank sets hitch frame（3）.Hitch frame（3）Top sets electric hydaulic hitcher（7）；Hitch frame（3）Interior installation drive part（4）, brake（6）With drive part（4）It is connected, drive part（4）Both ends are installed by traveling wheel（8）.Cabinet（11）Top sets hand handle（2）, universal wheel is installed in bottom（5）.Faster using hydraulic hitcher type traction vehicle speed of the invention, more efficient.In addition compared to all-electric hitcher, bigger tractive force is may be implemented in the hydraulic cylinder of same size specification, clamps and lifting speed adjustable range is bigger, especially suitable for heavy duty, super-heavy load and require efficient occasion.
Description
Technical field
The present invention relates to a kind of electrically propelled traction vehicle more particularly to hydraulic hitcher type electrically propelled traction vehicles.
Background technique
In the workshop of some large sizes, single part is larger, and kind is more, and various forms of tool vehicles is needed to transport
Defeated circulation, it is desirable that circulation it is high-efficient, vehicle load is big, and type is more, itself do not have power, need special tractor to lead
Draw.Type hand hitcher is since inefficiency is unable to satisfy requirement, and the load of power type hitcher is smaller is similarly unable to satisfy requirement.
Summary of the invention
In order to solve the above technical problems, the present invention provides a hydraulic hitcher type electrically propelled traction vehicle, by box assembly,
Hand handle, hitch frame, drive part, universal wheel, brake, electric hydaulic hitcher composition；The cabinet front face sets hitch frame, described
Electric hydaulic hitcher is set on hitch frame；The support base of electric hydaulic hitcher is moved along the track groove of hitch frame；The hitch frame
Interior installation drive part, drive part are connect by brake with traveling wheel；The top of the box sets hand handle, bottom of box installation ten thousand
To wheel.
Further, box assembly includes cabinet, and electric control system is integrated in cabinet, and electrical control part includes electricity
Source emergency stop switch, three color voltameters, key switch.Cover board is set on the cabinet, emergency stop switch, three colors electricity are installed in cabinet upper surface
Scale, key switch and alarm lamp, the cabinet is interior to install battery stand, and hitcher controller is located at the battery stand side
The hitcher controller top in face, the battery stand side sets charger, and battery, the case are set in the battery stand
It is fixed with counterweight in vivo, traveling controller is located above the counterweight；Body side sets access panel.Body side sets access panel.
Further, hand handle includes the handle body of two sides, and the handle body end of hand handle side respectively sets lifting button, folder
Tight release button and speed regulation knob, the handle body end of the other side set tortoise rabbit button, set on the end face in the middle part of hand handle loudspeaker by
Button, hand handle tail portion set belly switch.Hand handle is operating member, for controlling advance, retrogressing, prompt, the hitcher movement of tractor.
Further, drive part includes differential mechanism, motor；Differential mechanism both ends are connect with traveling wheel, and motor and brake connect
It connects.
Further, electric hydaulic hitcher includes including clamping cylinder, lifting cylinder and hydraulic power unit；The clamping
Fluid pressure line is set on oil cylinder, the clamping cylinder is mounted on supporting plate；Described supporting plate one end, which is set, fixes to clamp block, and the other end sets company
Joint chair；The attachment base is connect by pin shaft with support base, sets torsional spring on the pin shaft；Described lifting cylinder one end passes through piston
Bar connecting support seat, the other end are mounted on power unit shell by fixing seat；The hydraulic power unit is mounted on power
In unit housings；Clamping cylinder one end sets movable clamping block, and the other end is fixed on attachment base；Fix to clamp block and movable clamping
The opposite face of block is respectively fixed with resilient sleeper-bearing.
Further, hydraulic power unit include include lifting solenoid valve, clamping and release solenoid valve, Electric Machine at Pumping Station and hydraulic
Pump, the hydraulic pump are located at power unit housing bottom, set Electric Machine at Pumping Station on the hydraulic pump.The Electric Machine at Pumping Station side sets folder
Tense-lax open electromagnetic valve, clamping and release solenoid valve top set lifting solenoid valve.
Further, traveling wheel is solid tyre.
The hydraulic automobile-used push-botton operation of hitcher type electric traction of the present invention, it is convenient and efficient, do not need special training, reduction pair
The technical requirements of people.It is operated using completely new hydraulic hitcher instead of manual hitcher, saves the time, speed is faster, more efficient.Separately
Outside compared to all-electric hitcher, bigger tractive force is may be implemented in the hydraulic cylinder of same size specification, is clamped and lifting speed tune
Adjusting range is bigger, so more applicable in some requirement heavy duties, super-heavy load and efficient occasion.Electric hydaulic hitcher is made into portable dynamic
Power component forms mancarried device, easy to installation and maintenance.Drive part uses the differential mechanism pattern of monoblock type, compact-sized.
Detailed description of the invention
Fig. 1 is perspective view of the present invention.
Fig. 2 is front view of the present invention.
Fig. 3 is box assembly structure chart of the present invention.
Fig. 4 is handle structure figure of the present invention.
Fig. 5 is drive part structure chart of the present invention.
Fig. 6 is electric hydaulic hitcher structure chart of the present invention.
Fig. 7 is electric hydaulic hitcher perspective view of the present invention.
Fig. 8 is hydraulic power unit perspective view of the present invention.
In figure, 1, box assembly, 2, hand handle, 3, hitch frame, 4, drive part, 5, universal wheel, 6, brake, 7, electronic
Hydraulic hitcher, 8, traveling wheel, 9, track groove, 11, cabinet, 12, emergency stop switch, 13, three color voltameters, 14, key switch, 16,
Traveling controller, 17, battery, 18, battery stand, 110, access panel, 111, charger, 112, cover board, 113, alarm lamp,
114, hitcher controller, 115, counterweight, 21, tortoise rabbit button, 22, belly switch, 23, horn button, 24, speed regulation knob, 25, hand
Ontology, 26, lifting button, 27, clamping and release button, 41, differential mechanism, 42, motor, 61, release lever, 62, brake ontology,
71, clamping cylinder, 72, power unit shell, 73, supporting plate, 74, attachment base, 75, lifting cylinder, 76, fixing seat, 77, support
Seat, 78, torsional spring, 79, fluid pressure line, 710, hydraulic power unit, 711, pin shaft, 712, fix to clamp block, 713, activity folder
Tight block, 714, resilient sleeper-bearing, 715, piston rod, 716, lifting solenoid valve, 717, clamping and release solenoid valve, 718, Electric Machine at Pumping Station,
719, hydraulic pump.
Specific embodiment
As shown in Figs. 1-2, hydraulic hitcher type electrically propelled traction vehicle shares 7 component compositions, is box assembly 1, hand handle respectively
2, hitch frame 3, drive part 4, universal wheel 5, brake 6 and electric hydaulic hitcher 7.The cabinet 11 of the box assembly 1 is as whole
A vehicle basis is connected with hitch frame 3, hand handle 2, universal wheel 5, electric hydaulic hitcher 7.11 leading flank of cabinet sets hitch frame
3,3 leading flank of hitch frame sets track groove 9.Electric hydaulic hitcher 7 is installed at the top of the hitch frame 3, the electric hydaulic hitcher 7
Support base 77 is moved along the track groove 9 of hitch frame 3.Drive part 4, drive part 4 and brake 6 are installed in the hitch frame 3
It is connected.Brake 6 includes brake ontology 62 and brake lever 61, and brake lever 61 is fixedly connected with brake ontology 62.The brake of brake 6
Vehicle ontology 62 is mounted on 42 tail portion of motor of drive part 4, brake 6 release lever 61 with hitch frame 3 for support, play urgent
The effect of release.4 both ends of drive part are installed by traveling wheel 8.Hand handle 2,11 bottom of cabinet installation ten thousand are installed at the top of the cabinet 11
To wheel 5.
As shown in figure 3, box assembly 1 includes cabinet 11,11 inside of cabinet of box assembly 1 is mainly integrated with electrical control
Part mainly includes power supply emergency stop switch 12, three color voltameters 13, key switch 14, traveling controller 16, power accumulator
17, charger 111, power supply flash alarm lamp 113, hitcher controller 114.Cover board 112,11 upper end of cabinet are set on the cabinet 11
Face installation emergency stop switch 12, three color voltameters 13, key switch 14 and alarm lamp 113, the interior installation battery stand 18 of cabinet 11,
Traveling controller 16.Hitcher controller 114 is located at 18 side of battery stand.18 side of battery stand, hitcher control
The top of device 114 sets charger 111.Battery 17 is set in the battery stand 18；Counterweight is further fixed in the cabinet 11
115, traveling controller 16 is located at 115 top of counterweight.11 side of cabinet sets access panel 110.
Increase access panel 110 on cabinet 11 and is convenient for changing components and maintenance.Hitcher controller is increased in cabinet 11
114, and battery stand 18 is improved, effectively mitigate 115 weight of counterweight, facilitate carrying and installation, improves working efficiency.Battery
Bracket 18 uses General design, and the 70-100AH of domestic mainstream producer can be installed.Charger 111 has passed through Australia, Asia
The certification in continent, Europe, America, All Countries market sale can be entered.
As shown in figure 4, hand handle 2 includes the handle body 25 of two sides, 25 end of handle body of 2 side of hand handle respectively sets lifting
Button 26, clamping and release button 27 and speed regulation knob 24,25 end of handle body of the other side set tortoise rabbit button 21, in hand handle 2
Horn button 23 is set on the end face in portion, 2 tail portion of hand handle sets belly switch 22.
As shown in figure 5, drive part 4 includes differential mechanism 41 and motor 42.41 both ends of differential mechanism are connect with traveling wheel 8, electricity
Machine 42 is connect with brake 6.Motor 42 is mounted on differential mechanism 41.Motor 42 is power device, and power is transmitted to by differential mechanism 41
The realization of traveling wheel 8 moves forward and backward.
As shown in Figures 6 and 7, electric hydaulic hitcher 7 includes including clamping cylinder 71, lifting cylinder 75 and hydraulic power unit
710；Fluid pressure line 79 is set on the clamping cylinder 71, the clamping cylinder 71 is mounted on supporting plate 73；Described 73 one end of supporting plate
If fixing to clamp block 712, the other end sets attachment base 74；The attachment base 74 is connect by pin shaft 711 with support base 77, the pin
Torsional spring 78 is set on axis 711；By 715 connecting support seat 77 of piston rod, the other end passes through fixing seat for described 75 one end of lifting cylinder
76 are mounted on power unit shell 72；The hydraulic power unit 710 is mounted in power unit shell 72；Clamping cylinder 71
One end sets movable clamping block 713, and the other end is fixed on attachment base 74；Fix to clamp the opposite of block 712 and movable clamping block 713
Face is respectively fixed with resilient sleeper-bearing 714.
As shown in figure 8, hydraulic power unit 710 includes lifting solenoid valve 716, clamping and release solenoid valve 717, Electric Machine at Pumping Station
718, hydraulic pump 719, the hydraulic pump 719 is located at 72 bottom of power unit shell, sets Electric Machine at Pumping Station on the hydraulic pump 719
718.718 side of Electric Machine at Pumping Station sets clamping and release solenoid valve 717, and 717 top of clamping and release solenoid valve sets lifting solenoid valve
716.Hydraulic power unit 710 is placed on composition hand-held power component in power unit shell 72, forms mancarried device, can
With integral disassembly, assembly, rather than it is installed separately, it is easy to installation and maintenance.
Hand handle 2 of the present invention uses 0-5V Hall sensor control mode, by the pattern of stepless speed regulation to traveling controller
16 signals, traveling controller 16 control drive part 4 and traveling wheel 8 are driven to control tractor advance, retreat.Traveling wheel 8 is that nothing is drawn
Trace environment-friendly solid tire, ground grip ability are strong, wear-resistant, and the service life is long.Horn button 23 in hand handle 2 rises and mentions for controlling loudspeaker
Show the effect of alarm；For switching at a slow speed and quickly, belly switchs urgent reverse protection operator's for tortoise rabbit button in hand handle 2
Safety；The button of lifting, clamping and the release of control electric hydaulic hitcher 7 is also integrated in hand handle 2.What universal wheel 5 controlled leads
Draw the turning function of vehicle.
Claims (7)
1. hydraulic hitcher type electrically propelled traction vehicle, it is characterised in that：By box assembly（1）, hand handle（2）, hitch frame（3）, driving portion
Point（4）, universal wheel（5）, brake（6）, electric hydaulic hitcher（7）Composition；The cabinet（11）Leading flank sets hitch frame（3）, institute
State hitch frame（3）Top sets electric hydaulic hitcher（7）；The electric hydaulic hitcher（7）Support base（77）Along hitch frame（3）
Track groove（9）Movement；The hitch frame（3）Interior installation drive part（4）, brake（6）With drive part（4）It is connected, driving
Part（4）Both ends are installed by traveling wheel（8）；The cabinet（11）Top sets hand handle（2）, cabinet（11）Bottom is installed by universal wheel（5）.
2. hydraulic hitcher type electrically propelled traction vehicle described in accordance with the claim 1, it is characterised in that：The box assembly（1）Including
Cabinet（11）, the cabinet（11）It is inside integrated with electric control system, electrical control part includes power supply emergency stop switch（12）, three
Color voltameter（13）, key switch（14）, traveling controller（16）, power accumulator（17）, charger（111）, power supply flash of light
Alarm lamp（113）, hitcher control system（114）；The cabinet（11）On set cover board（112）, the cabinet（11）Upper surface peace
Fill emergency stop switch（12）, three color voltameters（13）, key switch（14）And alarm lamp（113）；The cabinet（11）Interior installation stores
Battery bracket（18）, hitcher controller（114）It is located at the battery stand（18）Side, the battery stand（18）Side
Hitcher controller（114）Top sets charger（111）, the battery stand（18）Inside set battery（17）, the cabinet
（11）Inside it is fixed with counterweight（115）, traveling controller（16）It is located at the counterweight（115）Top；Cabinet（11）Side sets maintenance
Plate（110）.
3. hydraulic hitcher type electrically propelled traction vehicle described in accordance with the claim 1, it is characterised in that：The hand handle（2）Including two sides
Handle body（25）, hand handle（2）The handle body of side（25）End respectively sets lifting button（26）, clamping and release button（27）
With speed regulation knob（24）, the handle body of the other side（25）End sets tortoise rabbit button（21）, hand handle（2）Loudspeaker is set on the end face at middle part
Button（23）, hand handle（2）Tail portion sets belly switch（22）.
4. hydraulic hitcher type electrically propelled traction vehicle described in accordance with the claim 1, it is characterised in that：The drive part（4）Including
Differential mechanism（41）And motor（42）；The differential mechanism（41）Both ends and traveling wheel（8）Connection, motor（42）With brake（6）Connection.
5. hydraulic hitcher type electrically propelled traction vehicle described in accordance with the claim 1, it is characterised in that：The electric hydaulic hitcher（7）
Including including clamping cylinder（71）, lifting cylinder（75）And hydraulic power unit（710）；The clamping cylinder（71）On set it is hydraulic
Pipeline（79）, the clamping cylinder（71）It is mounted on supporting plate（73）On；The supporting plate（73）One end, which is set, fixes to clamp block（712）,
The other end sets attachment base（74）；The attachment base（74）Pass through pin shaft（711）With support base（77）Connection, the pin shaft（711）
On set torsional spring（78）；The lifting cylinder（75）One end passes through piston rod（715）Connecting support seat（77）, the other end passes through fixation
Seat（76）It is mounted on power unit shell（72）On；The hydraulic power unit（710）It is mounted on power unit shell（72）It is interior；
Clamping cylinder（71）One end sets movable clamping block（713）, the other end is fixed on attachment base（74）On；Fix to clamp block（712）With
Movable clamping block（713）Opposite face be respectively fixed with resilient sleeper-bearing（714）.
6. hydraulic hitcher type electrically propelled traction vehicle according to claim 5, it is characterised in that：The hydraulic power unit
（710）Including going up and down solenoid valve（716）, clamping and release solenoid valve（717）, Electric Machine at Pumping Station（718）And hydraulic pump（719）, described
Hydraulic pump（719）It is located at power unit shell（72）Bottom, the hydraulic pump（719）On set Electric Machine at Pumping Station（718）；The pumping plant
Motor（718）Side sets clamping and release solenoid valve（717）, clamping and release solenoid valve（717）Top sets lifting solenoid valve（716）.
7. hydraulic hitcher type electrically propelled traction vehicle described in accordance with the claim 1, it is characterised in that：The traveling wheel（8）It is solid
Tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810894084.6A CN108909855A (en) | 2018-08-08 | 2018-08-08 | Hydraulic hitcher type electrically propelled traction vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810894084.6A CN108909855A (en) | 2018-08-08 | 2018-08-08 | Hydraulic hitcher type electrically propelled traction vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108909855A true CN108909855A (en) | 2018-11-30 |
Family
ID=64397381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810894084.6A Pending CN108909855A (en) | 2018-08-08 | 2018-08-08 | Hydraulic hitcher type electrically propelled traction vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108909855A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116005519A (en) * | 2023-01-10 | 2023-04-25 | 山东高速工程建设集团有限公司 | Highway road bed cement soil road bed construction method and equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1710146A3 (en) * | 2005-04-06 | 2008-05-28 | Mastermover International Limited | Driving assembly |
| US20090205882A1 (en) * | 2004-06-29 | 2009-08-20 | Matthew Joseph Smith | Tractor unit and hitch |
| CN101962033A (en) * | 2010-08-17 | 2011-02-02 | 启东大同电机有限公司 | New electric tractor |
| CN201769929U (en) * | 2010-08-17 | 2011-03-23 | 启东大同电机有限公司 | Rest type electric drawing vehicle |
| CN104325856A (en) * | 2014-10-09 | 2015-02-04 | 苏州先锋物流装备科技有限公司 | Traction-height-adjustable tractor |
| CN104591033A (en) * | 2015-01-26 | 2015-05-06 | 泰州市惠泽机械有限公司 | Turnover type wallboard lift truck |
| CN106080810A (en) * | 2016-08-16 | 2016-11-09 | 常州市瑞泰工程机械有限公司 | The combined tractor of accumulator |
| CN106314576A (en) * | 2016-08-31 | 2017-01-11 | 励通（上海）机电设备有限公司 | Novel mobile booster tractor |
-
2018
- 2018-08-08 CN CN201810894084.6A patent/CN108909855A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090205882A1 (en) * | 2004-06-29 | 2009-08-20 | Matthew Joseph Smith | Tractor unit and hitch |
| EP1710146A3 (en) * | 2005-04-06 | 2008-05-28 | Mastermover International Limited | Driving assembly |
| CN101962033A (en) * | 2010-08-17 | 2011-02-02 | 启东大同电机有限公司 | New electric tractor |
| CN201769929U (en) * | 2010-08-17 | 2011-03-23 | 启东大同电机有限公司 | Rest type electric drawing vehicle |
| CN104325856A (en) * | 2014-10-09 | 2015-02-04 | 苏州先锋物流装备科技有限公司 | Traction-height-adjustable tractor |
| CN104591033A (en) * | 2015-01-26 | 2015-05-06 | 泰州市惠泽机械有限公司 | Turnover type wallboard lift truck |
| CN106080810A (en) * | 2016-08-16 | 2016-11-09 | 常州市瑞泰工程机械有限公司 | The combined tractor of accumulator |
| CN106314576A (en) * | 2016-08-31 | 2017-01-11 | 励通（上海）机电设备有限公司 | Novel mobile booster tractor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116005519A (en) * | 2023-01-10 | 2023-04-25 | 山东高速工程建设集团有限公司 | Highway road bed cement soil road bed construction method and equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181130 |
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| RJ01 | Rejection of invention patent application after publication |