CN203740909U - Remote-controlled duplex brake cable crane carriage - Google Patents

Remote-controlled duplex brake cable crane carriage Download PDF

Info

Publication number
CN203740909U
CN203740909U CN201320837240.8U CN201320837240U CN203740909U CN 203740909 U CN203740909 U CN 203740909U CN 201320837240 U CN201320837240 U CN 201320837240U CN 203740909 U CN203740909 U CN 203740909U
Authority
CN
China
Prior art keywords
brake
brake shoe
cable
hoisting line
remote
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.)
Withdrawn - After Issue
Application number
CN201320837240.8U
Other languages
Chinese (zh)
Inventor
刁海林
蔡道雄
陈东成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi University
Original Assignee
Guangxi University
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 Guangxi University filed Critical Guangxi University
Priority to CN201320837240.8U priority Critical patent/CN203740909U/en
Application granted granted Critical
Publication of CN203740909U publication Critical patent/CN203740909U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Landscapes

  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

The utility model discloses a remote-controlled duplex brake cable crane carriage. The remote-controlled duplex brake cable crane carriage comprises a carriage body, a walking pulley and a hoisting pulley, wherein the walking pulley is fixedly mounted in the carriage body and used for hanging the carriage on a bearing cable; the hoisting pulley is used for supporting a hoisting cable; a reverse duplex interlocking hydraulic brake and a working power supply are also mounted in the carriage body; the reverse duplex interlocking hydraulic brake comprises a hydraulic remote control system, a fixed brake shoe A, a bearing cable brake shoe, a fixed brake shoe B and a hoisting cable brake shoe; the fixed brake shoe A and the bearing cable brake shoe are arranged on the upper side and the lower side of the bearing cable; the fixed brake shoe B and the hoisting cable brake shoe are arranged on the upper side and the lower side of the hoisting cable. The remote-controlled duplex brake cable crane carriage comprises the remote-controlled reverse duplex interlocking hydraulic brake, so that the bearing cable and the hoisting cable are interlocked and braked, a special carriage dragging cable is omitted, a power winch system and a cable system of a logging cable crane are greatly simplified, and the flexibility and the mobility of the cable crane in forestry logging operation are improved.

Description

A kind of remote-controlled duplex braking cable crane sport car
Technical field
The utility model belongs to cable crane technical field, especially relates to a kind of remote-controlled duplex braking cable crane sport car.
Background technology
Cable crane is widely used in the portage operation in the fields such as mine, harbour, goods yard, is also applied to the skidding operation in forestry cutting area simultaneously.Sport car be cable crane for lifting by crane and transport the visual plant of goods and materials, its function has determined manoevreability and the work efficiency of cable crane.At present general cable crane sport car used is without Intelligent roadster, and sport car does not possess the autonomous braking function to ropeway carrying-rope and hoisting line, and the place one's entire reliance upon traction of independent trailing cable of the fixing and motion of sport car on ropeway carrying-rope realizes.Therefore, what general cable crane adopted mostly is ropeway carrying-rope, hoisting line, the discrete funicular system of trailing cable three ropes, this not only makes power capstan system, the funicular system of cable crane become complicated, and increased trouble to the installation of cable, especially unfavorable especially for the skidding operation of forest logging cable crane that must frequent transfer tasks district, this has restricted the application of cable crane in forest harvesting is produced to a certain extent.
Summary of the invention
The utility model, in order to overcome the deficiencies in the prior art, provides a kind of remote controlled braking function that has, and can realize to hoisting line the remote-controlled duplex braking cable crane sport car of lifting and traction function conversion.
The technical solution of the utility model is as follows:
A remote-controlled duplex braking cable crane sport car, comprise car body and be fixedly mounted in car body for sport car being suspended on to traveling wheel on ropeway carrying-rope and for the gin wheel of support hoisting line; Reverse duplex interlocking hydraulic brake and working power are also installed in described car body; Described reverse duplex interlocking hydraulic brake comprises hydraulicefficiency telecontrol control system, is arranged on fixedly brake shoe brake cheek A and the ropeway carrying-rope brake shoe brake cheek of ropeway carrying-rope upper and lower sides, the fixedly brake shoe brake cheek B that is arranged on hoisting line upper and lower sides and hoisting line brake shoe brake cheek;
Described hydraulicefficiency telecontrol control system comprises hydraulic cylinder with double piston rods, two-position four-way solenoid directional control valve, high-pressure oil pump and fuel tank, between them, by conduit under fluid pressure, connects, and forms circulating oil path; On the conduit under fluid pressure being connected with high-pressure oil pump at two-position four-way solenoid directional control valve, be provided with a check valve: the control circuit of described two-position four-way solenoid directional control valve is being connected an electromagnetic wave teleswitch;
Described fixedly brake shoe brake cheek A, fixedly brake shoe brake cheek B is fixedly mounted on respectively on car body; Described ropeway carrying-rope brake shoe brake cheek, hoisting line brake shoe brake cheek are connected with the hydraulic cylinder with double piston rods of hydraulicefficiency telecontrol control system by ropeway carrying-rope brake lever, hoisting line brake lever and connecting rod respectively.
In the utility model, in sport car car body, designed reverse duplex interlocking hydraulic brake, can make ropeway carrying-rope and hoisting line interlocking braking, when hoisting line is lockable, hoisting line can be used as trailing cable, when ropeway carrying-rope is lockable, sport car can be fixed on assigned address, facilitate hoisting line to put down or pack up, realizing the normal running job of sport car, not needing to arrange in addition again trailing cable; Simplified to a certain extent the structure of traction drive system.Adopt remote controlled remote-control hydraulic control system, convenient working personnel control sport car operation.
Above-described hydraulicefficiency telecontrol control system also comprises a hydraulic pressure energy storage tank; On the circuit of high-pressure oil pump, be also provided with a pressure relay; Described hydraulic pressure energy storage tank is connected with high-pressure oil pump by check valve; Described pressure relay is connected with high-pressure oil passage.
Above-described working power adopts storage battery.
Charge system is also installed in above-described car body, and described charge system comprises rectifying block, electrical generator, is arranged on the minor sprocket on electrical generator S. A. and is arranged on the hinge wheel on traveling wheel; Described minor sprocket is connected by chain with hinge wheel; The power output end of described electrical generator is connected with storage battery by rectifying block, charges a battery.This charge system can be electric energy by the part kinetic transformation of sport car, is then stored in storage battery, to hydraulic control system power supply, energy-conserving and environment-protective.
Hoisting line anticreep pulley and retracing spring are also installed in above-described car body, and they are connected by restoring lever respectively; Described hoisting line anticreep pulley is arranged on gin wheel side.Hoisting line anticreep pulley and gin wheel are clipped in the middle hoisting line, can prevent that hoisting line from dislocating when lax, affect carrying out smoothly of operation.
Principle of work of the present utility model:
Adopt remote controller to control the mode of operation of hydraulic control system, such as: press remote controller the green button, excite electromagnetic wave teleswitch, start two-position four-way solenoid directional control valve make in position, high pressure oil in hydraulic pressure energy storage tank enters the right chamber of hydraulic cylinder with double piston rods through high-pressure oil passage, make piston rod to left movement, promote reverse lever and parallelogram interlock system actuation mechanism, make ropeway carrying-rope brake shoe brake cheek separated with ropeway carrying-rope, make hoisting line brake shoe brake cheek closure hold hoisting line tightly simultaneously, make capstan engine discharge hoisting line, sport car moves under Gravitative Loads under slope.
After sport car arrives desired location, press remote controller red button, excite electromagnetic wave teleswitch, start two-position four-way solenoid directional control valve make in position, high pressure oil enters the left chamber of hydraulic cylinder with double piston rods, piston rod is moved right, promote reverse lever and parallelogram interlock system actuation mechanism, make ropeway carrying-rope brake shoe brake cheek closure hold ropeway carrying-rope tightly, thereby sport car is fixed on ropeway carrying-rope, make hoisting line brake shoe brake cheek separated with hoisting line simultaneously, load hook is declined, staff is pulled to weight by load hook, and load hook is hooked to weight, make capstan engine reclaim hoisting line hoisting heavy.Weight is risen and winched to after suitable height, press remote controller the green button, excite electromagnetic wave teleswitch, make ropeway carrying-rope brake shoe brake cheek separated with ropeway carrying-rope, make hoisting line brake shoe brake cheek closure hold hoisting line tightly simultaneously, make hoisting line change traction function into, sport car is drawn on slope together with timber.When sport car arrives after timber unloading point, capstan engine quits work, press remote controller red button, excite electromagnetic wave teleswitch, making ropeway carrying-rope brake shoe brake cheek closure hold ropeway carrying-rope tightly fixes sport car, make hoisting line brake shoe brake cheek separated with hoisting line simultaneously, capstan engine weight is dropped to ground and unload after reclaim load hook to appropriate location, so far finish a duty cycle.Press remote controller the green button, repeat said process and carry out next discontinuous running.
Than prior art, the utlity model has following advantage and good effect:
1, sport car of the present utility model has remote-controlled reverse duplex interlocking hydraulic brake, can realize the interlocking braking to ropeway carrying-rope and hoisting line, save special sport car trailing cable simultaneously, and need only retain ropeway carrying-rope and hoisting line can meet job requirements, power capstan system and the funicular system of logging cable crane are greatly simplified, improved agility and the manoevreability of cable crane in forestry skidding operation, the effect to further performance cable crane in production of forestry is significant.
2, the hydraulic oil of the reverse duplex interlocking of sport car of the present utility model hydraulic brake carries high-pressure oil pump by sport car provides.Sport car hydraulic efficiency pressure system is provided with energy storage tank, and required pressure oil flow when in time supplementing hydraulic cylinder works, makes oil cylinder work quicker.Also on the circuit of high-pressure oil pump, be provided with pressure relay simultaneously, when system pressure reaches setup pressure value, can stop the work of high-pressure oil pump, to extend the work life of high-pressure oil pump.
3, the utility model carries electric power system and hydraulicefficiency telecontrol control system, has realized the intellectuality of sport car, practical and convenient.
4, little, lightweight, simple to operate, the easy maintenance of the utility model volume, good reliability, low cost of manufacture.
Accompanying drawing explanation
Figure l is the structural representation of the utility model sport car.
Accompanying drawing sign:
1-load hook, 2-hoisting line, 3-hoisting line anticreep pulley, 4-storage battery, 5-rectifying block, 6-electrical generator, 7-minor sprocket, 8-chain, 9-hinge wheel, 10-ropeway carrying-rope, 11-traveling wheel, 12-is brake shoe brake cheek A fixedly, 13-ropeway carrying-rope brake shoe brake cheek, 14-ropeway carrying-rope brake lever, 15-hydraulic cylinder with double piston rods, 16-traveling wheel, 17-two-position four-way solenoid directional control valve, 18-hydraulic pressure energy storage tank, 19-check valve, 20-pressure relay, 21-conduit under fluid pressure, 22-high-pressure oil pump, 23-fuel tank, 24-electromagnetic wave teleswitch, 25-retracing spring, 26-restoring lever, 27-hoisting line anticreep pulley, 28-hoisting line brake lever, 29-hoisting line brake shoe brake cheek, 30-is brake shoe brake cheek B fixedly, 31-gin wheel.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
EXAMPLE l:
A remote-controlled duplex braking cable crane sport car, comprise car body and be fixedly mounted in car body for sport car being suspended on to traveling wheel 11,16 on ropeway carrying-rope 10 and for the gin wheel 3l of support hoisting line 2.Reverse duplex interlocking hydraulic brake and working power 4 are also installed in described car body.Described reverse duplex interlocking hydraulic brake comprises hydraulicefficiency telecontrol control system, is arranged on fixedly brake shoe brake cheek A12 and the ropeway carrying-rope brake shoe brake cheek 13 of ropeway carrying-rope 10 upper and lower sides, the fixedly brake shoe brake cheek B30 that is arranged on hoisting line 2 upper and lower sides and hoisting line brake shoe brake cheek 29.
Described hydraulicefficiency telecontrol control system comprises hydraulic cylinder with double piston rods 15, two-position four-way solenoid directional control valve 17, high-pressure oil pump 22 and fuel tank 23, between them, by conduit under fluid pressure 21, connects, and forms circulating oil path; On the conduit under fluid pressure being connected with high-pressure oil pump 22 at two-position four-way solenoid directional control valve 17, be provided with a check valve 19; The control circuit of described two-position four-way solenoid directional control valve 17 is connecting an electromagnetic wave teleswitch 24.Described hydraulicefficiency telecontrol control system also comprises a hydraulic pressure energy storage tank 18, and required pressure oil flow when supplementing in time hydraulic actuating cylinder 15 work, makes oil cylinder work quicker; On the circuit of high-pressure oil pump 22, be also provided with a pressure relay 20; Described hydraulic pressure energy storage tank 18 is connected with high-pressure oil pump 22 by check valve 19; Described pressure relay 20 is connected with high-pressure oil passage, when hydraulicefficiency telecontrol control system pressure reaches setup pressure value, can stop the work of high-pressure oil pump 22, to extend the work life of high-pressure oil pump 22.
Described fixedly brake shoe brake cheek A12, fixedly brake shoe brake cheek B30 is fixedly mounted on respectively on car body; Described ropeway carrying-rope brake shoe brake cheek 13, hoisting line brake shoe brake cheek 29 are connected with the hydraulic cylinder with double piston rods 15 of hydraulicefficiency telecontrol control system by ropeway carrying-rope brake lever 14, hoisting line brake lever 28 and connecting rod respectively.
Described working power 4 adopts storage battery.Charge system is also installed in car body, and described charge system comprises rectifying block 5, electrical generator 6, is arranged on the minor sprocket 7 on electrical generator 6 S. A.s and is arranged on the hinge wheel 9 on traveling wheel 11; Described minor sprocket 7 is connected by chain 8 with hinge wheel 9; The power output end of described electrical generator 6 is connected with storage battery by rectifying block 5, charges a battery.
Hoisting line anticreep pulley 3,27 and retracing spring are also installed in described car body, and they are connected by restoring lever respectively; Described hoisting line anticreep pulley 3 is arranged on gin wheel 3l side.
This cable crane sport car is used in to adverse grade skidding operation:
Press remote controller the green button, excite electromagnetic wave teleswitch 24, start two-position four-way solenoid directional control valve 17 make in position, high pressure oil in hydraulic pressure energy storage tank 18 enters the right chamber of hydraulic cylinder with double piston rods 15 through high-pressure oil passage, make piston rod to left movement, promote reverse lever and parallelogram interlock system actuation mechanism, make ropeway carrying-rope brake shoe brake cheek 13 separated with ropeway carrying-rope 10, make hoisting line brake shoe brake cheek 29 closures hold hoisting line 2 tightly simultaneously, make capstan engine discharge hoisting line 2, sport car moves under Gravitative Loads under slope.
When sport car arrives behind predetermined logging position, press remote controller red button, excite electromagnetic wave teleswitch 24 start two-position four-way solenoid directional control valves 17 make in position, high pressure oil enters the left chamber of hydraulic cylinder with double piston rods 15, piston rod is moved right, promote reverse lever and parallelogram interlock system actuation mechanism, make ropeway carrying-rope brake shoe brake cheek 13 closures hold ropeway carrying-rope 10 tightly, thereby sport car is fixed on ropeway carrying-rope 10, make hoisting line brake shoe brake cheek 29 separated with hoisting line 2 simultaneously, the load hook l that is arranged on hoisting line 2 one end is declined, staff is pulled to load hook 1 at the timber place having bundled, and load hook 1 is hooked to choker, make capstan engine reclaim hoisting line 2 lifting timber.Timber is risen and winched to after suitable height, press remote controller the green button, make ropeway carrying-rope brake shoe brake cheek 13 separated with ropeway carrying-rope 10, make hoisting line brake shoe brake cheek 29 closures hold hoisting line 2 tightly simultaneously, make hoisting line 2 change trailing cable into sport car is drawn on slope together with timber.When sport car arrives after timber unloading point, capstan engine quits work, press remote controller red button, making ropeway carrying-rope brake shoe brake cheek 13 closures hold ropeway carrying-rope 10 tightly fixes sport car, make hoisting line brake shoe brake cheek 29 separated with hoisting line 2 simultaneously, capstan engine reclaims load hook 1 to appropriate location after timber is dropped to ground and unloads material, so far finishes a skidding operation cycle.Press remote controller the green button, repeat said process and carry out next discontinuous running.
The storage battery 4 that all electric power of sport car are carried by sport car provides, and during work, storage battery 4 can carry electrical generator 6 charging by sport car, and electrical generator 6, by driving electrical generator 6 work with the coaxial hinge wheel 9 of sport car traveling wheel ll by chain transmission, is converted into electric energy by mechanical energy.

Claims (5)

1. a remote-controlled duplex is braked cable crane sport car, comprise car body and be fixedly mounted in car body for sport car being suspended on to traveling wheel (11,16) on ropeway carrying-rope (10) and for the gin wheel (31) of support hoisting line (2); It is characterized in that: reverse duplex interlocking hydraulic brake and working power (4) are also installed in described car body; Described reverse duplex interlocking hydraulic brake comprises hydraulicefficiency telecontrol control system, the fixedly brake shoe brake cheek A (12) of (10) upper and lower sides that is arranged on ropeway carrying-rope and ropeway carrying-rope brake shoe brake cheek (13), be arranged on the fixedly brake shoe brake cheek B (30) and hoisting line brake shoe brake cheek (29) of hoisting line (2) upper and lower sides;
Described hydraulicefficiency telecontrol control system comprises hydraulic cylinder with double piston rods (15), two-position four-way solenoid directional control valve (17), high-pressure oil pump (22) and fuel tank (23), between them, by conduit under fluid pressure (21), connect, form circulating oil path; On the conduit under fluid pressure being connected with high-pressure oil pump (22) at two-position four-way solenoid directional control valve (17), be provided with a check valve (19); The control circuit of described two-position four-way solenoid directional control valve (17) is connecting an electromagnetic wave teleswitch (24);
Described fixedly brake shoe brake cheek A (12), fixedly brake shoe brake cheek B (30) is fixedly mounted on respectively on car body; Described ropeway carrying-rope brake shoe brake cheek (13), hoisting line brake shoe brake cheek (29) are connected with the hydraulic cylinder with double piston rods (15) of hydraulicefficiency telecontrol control system by ropeway carrying-rope brake lever (14), hoisting line brake lever (28) and connecting rod respectively.
2. a kind of remote-controlled duplex braking cable crane sport car according to claim 1, is characterized in that: described hydraulicefficiency telecontrol control system also comprises a hydraulic pressure energy storage tank (18); On the circuit of high-pressure oil pump (22), be also provided with a pressure relay (20); Described hydraulic pressure energy storage tank (18) is connected with high-pressure oil pump (22) by check valve (19); Described pressure relay (20) is connected with high-pressure oil passage.
3. according to a kind of remote-controlled duplex braking cable crane sport car described in claim l or 2, it is characterized in that: described working power (4) adopts storage battery.
4. a kind of remote-controlled duplex according to claim 3 is braked cable crane sport car, it is characterized in that: charge system is also installed in car body, and described charge system comprises rectifying block (5), electrical generator (6), is arranged on the minor sprocket (7) on electrical generator (6) S. A. and is arranged on the hinge wheel (9) on traveling wheel (11); Described minor sprocket (7) is connected by chain (8) with hinge wheel (9); The power output end of described electrical generator (6) is connected with storage battery by rectifying block (5), charges a battery.
5. according to claim 1-2,4 arbitrary described a kind of remote-controlled duplex braking cable crane sport cars, it is characterized in that: hoisting line anticreep pulley (3,27) and retracing spring are also installed in described car body, and they are connected by restoring lever respectively; Described hoisting line anticreep pulley (3) is arranged on gin wheel (31) side.
CN201320837240.8U 2013-12-18 2013-12-18 Remote-controlled duplex brake cable crane carriage Withdrawn - After Issue CN203740909U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320837240.8U CN203740909U (en) 2013-12-18 2013-12-18 Remote-controlled duplex brake cable crane carriage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320837240.8U CN203740909U (en) 2013-12-18 2013-12-18 Remote-controlled duplex brake cable crane carriage

Publications (1)

Publication Number Publication Date
CN203740909U true CN203740909U (en) 2014-07-30

Family

ID=51340737

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320837240.8U Withdrawn - After Issue CN203740909U (en) 2013-12-18 2013-12-18 Remote-controlled duplex brake cable crane carriage

Country Status (1)

Country Link
CN (1) CN203740909U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103787196A (en) * 2013-12-18 2014-05-14 广西大学 Remotely controlled double-brake cable crane trolley
CN104291218A (en) * 2014-08-15 2015-01-21 广西大学 Method for expanding one-step installation yarding area of cable yarding crane
JP6481064B1 (en) * 2018-03-16 2019-03-13 森の機械株式会社 Overhead wire carrier
CN112776829A (en) * 2020-12-30 2021-05-11 郑英俊 Intelligent cableway trolley
CN113753612A (en) * 2021-09-26 2021-12-07 北京京东乾石科技有限公司 Unloading machine

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103787196A (en) * 2013-12-18 2014-05-14 广西大学 Remotely controlled double-brake cable crane trolley
CN104291218A (en) * 2014-08-15 2015-01-21 广西大学 Method for expanding one-step installation yarding area of cable yarding crane
JP6481064B1 (en) * 2018-03-16 2019-03-13 森の機械株式会社 Overhead wire carrier
WO2019176456A1 (en) * 2018-03-16 2019-09-19 森の機械株式会社 Overhead-line-type carrier
JP2019156612A (en) * 2018-03-16 2019-09-19 森の機械株式会社 Overhead power line style carrier
CN111886196A (en) * 2018-03-16 2020-11-03 森之机械株式会社 Stringing type carrier
US20210039690A1 (en) * 2018-03-16 2021-02-11 Morinokikai Co., Ltd. Cableway carriage
CN111886196B (en) * 2018-03-16 2022-08-12 森之机械株式会社 Stringing type carrier
US11691654B2 (en) * 2018-03-16 2023-07-04 Morinokikai Co., Ltd. Cableway carriage
CN112776829A (en) * 2020-12-30 2021-05-11 郑英俊 Intelligent cableway trolley
CN113753612A (en) * 2021-09-26 2021-12-07 北京京东乾石科技有限公司 Unloading machine

Similar Documents

Publication Publication Date Title
CN203740909U (en) Remote-controlled duplex brake cable crane carriage
CN204370869U (en) A kind of type hoisting lifting cross sliding type parking equipment
CN103818830B (en) A kind of remote-controlled compression air brake cable crane sport car
CN103470544A (en) Energy-saving hoisting system of hydraulic crane
CN103787196B (en) A kind of remote-controlled duplex brake cable hoisting crane sport car
CN202766098U (en) Remote control hydraulic grab bucket
CN108190738B (en) Hoisting and transporting device for mining monorail crane
CN105217469A (en) A kind of new forms of energy hydraulic direct-drive monorail crane locomotive
CN203463385U (en) Energy-saving hoisting system of hydraulic crane
CN202808213U (en) Mining pneumatic monorail crane
CN205312909U (en) Two roof beam double small car bridge crane
CN209351619U (en) A kind of unmanned plane draw off gear based on sliding rail
CN202322054U (en) Control device for operating cranes side by side
CN203877781U (en) Pneumatic hoisting device
CN204778506U (en) Container crane of two main dollies
CN106899071B (en) Intelligent charging and discharging method for energy-saving forklift
CN107311061B (en) Intelligent traction system of self-locking winch
CN203740908U (en) Remote-controllable pneumatic brake cable crane trolley
CN205676039U (en) Based on hydraulic system remote-controlled cable crane sport car
CN208122890U (en) Intelligent Cao Che robot
CN101234674A (en) Mountaintop transmitting aerodrome
CN103935350B (en) Gas-liquid composite braking structure and mining mechanical vehicle
CN112776829B (en) Intelligent cableway trolley
CN214420437U (en) Intelligent cableway trolley
CN108643962A (en) Intelligent Cao Che robots and behaviour's vehicle method

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140730

Effective date of abandoning: 20150812

RGAV Abandon patent right to avoid regrant