CN103787196B - A kind of remote-controlled duplex brake cable hoisting crane sport car - Google Patents
A kind of remote-controlled duplex brake cable hoisting crane sport car Download PDFInfo
- Publication number
- CN103787196B CN103787196B CN201310699314.0A CN201310699314A CN103787196B CN 103787196 B CN103787196 B CN 103787196B CN 201310699314 A CN201310699314 A CN 201310699314A CN 103787196 B CN103787196 B CN 103787196B
- Authority
- CN
- China
- Prior art keywords
- brake
- rope
- hoisting line
- cheek
- brake shoe
- 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.)
- Expired - Fee Related
Links
- 239000003921 oil Substances 0.000 claims description 30
- 238000004146 energy storage Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 7
- 239000002828 fuel tank Substances 0.000 claims description 4
- 239000010724 circulating oil Substances 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a kind of remote-controlled duplex brake cable hoisting crane sport car, comprise car body and be fixedly mounted in car body for sport car being suspended on the traveling wheel on ropeway carrying-rope and being used for the gin wheel of support hoisting line; Reverse duplex interlocking hydraulic brake and working power are also installed in car body; Wherein, described reverse duplex interlocking hydraulic brake comprises hydraulicefficiency telecontrol control system, is arranged on the fixing brake shoe brake cheek A of ropeway carrying-rope upper and lower sides and ropeway carrying-rope brake shoe brake cheek, the fixing brake shoe brake cheek B being arranged on hoisting line upper and lower sides and hoisting line brake shoe brake cheek.The present invention has remote-controlled reverse duplex interlocking hydraulic brake, the interlocking braking to ropeway carrying-rope and hoisting line can be realized, thus save special sport car trailing cable, the power capstan system of logging cable crane and funicular system are greatly simplified, improves the agility of cable crane in forestry skidding operation and manoevreability.
Description
Technical field
The invention belongs to cable crane technical field, especially relate to a kind of remote-controlled duplex brake cable hoisting 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 determines manoevreability and the work efficiency of cable crane.The sport car that at present general cable crane is used is without Intelligent roadster, and namely 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 fixing on ropeway carrying-rope of sport car and moving realizes.Therefore, the funicular system that what general cable crane adopted mostly is ropeway carrying-rope, hoisting line, trailing cable three rope are discrete, this not only makes the power capstan system of cable crane, funicular system becomes complicated, and add trouble to the installation of cable, especially the skidding operation for the forest logging cable crane in the frequent transfer tasks district of palpus is unfavorable especially, and this constrains the application of cable crane in forest harvesting is produced to a certain extent.
Summary of the invention
The present invention, in order to overcome the deficiencies in the prior art, provides one and has remote controlled braking function, can realize the remote-controlled duplex brake cable hoisting crane sport car of lifting and traction function conversion to hoisting line.
Technical scheme of the present invention is as follows:
A kind of remote-controlled duplex brake cable hoisting crane sport car, comprise car body and be fixedly mounted in car body for sport car being suspended on the traveling wheel on ropeway carrying-rope and being used 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 the fixing brake shoe brake cheek A of ropeway carrying-rope upper and lower sides and ropeway carrying-rope brake shoe brake cheek, the fixing brake shoe brake cheek B being 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, is connected between them by conduit under fluid pressure, forms circulating oil path; The conduit under fluid pressure that two-position four-way solenoid directional control valve is connected with high-pressure oil pump is provided with a check valve; The control circuit of described two-position four-way solenoid directional control valve is connected to an electromagnetic wave teleswitch;
Described fixing brake shoe brake cheek A, fixing brake shoe brake cheek B are fixedly mounted on car body respectively; 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 respectively by ropeway carrying-rope brake lever, hoisting line brake lever and connecting rod.
In the present invention, reverse duplex interlocking hydraulic brake is devised in sport car car body, ropeway carrying-rope and hoisting line interlocking braking can be made, when hoisting line is lockable, hoisting line can use, when ropeway carrying-rope is lockable as trailing cable, 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 trailing cable in addition again; Simplify the structure of traction drive system to a certain extent.Adopt remote controlled remote-control hydraulic control system, convenient working personnel manipulate sport car operation.
Above-described hydraulicefficiency telecontrol control system also comprises a hydraulic pressure energy storage tank; The circuit of high-pressure oil pump is 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.
In above-described car body, be also provided with charge system, described charge system comprises rectifying block, electrical generator, the hinge wheel that is arranged on the minor sprocket on electrical generator S. A. and is arranged 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.The part kinetic transformation of sport car can be electric energy by this charge system, is then stored in storage battery, powers to hydraulic control system, energy-conserving and environment-protective.
In above-described car body, hoisting line anticreep pulley and retracing spring are also installed, and they are connected respectively by restoring lever; Described hoisting line anticreep pulley is arranged on gin wheel side.Hoisting line is clipped in the middle by hoisting line anticreep pulley and gin wheel, can prevent hoisting line from dislocating when lax, affects carrying out smoothly of operation.
Principle of work of the present invention:
Adopt the mode of operation of remote controller hydraulic control control system, such as: press remote controller the green button, excite electromagnetic wave teleswitch, start two-position four-way solenoid directional control valve make to be in "
" position; the 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 interlocking stop mechanism; ropeway carrying-rope brake shoe brake cheek is separated; make hoisting line brake shoe brake cheek close simultaneously and hold hoisting line tightly with ropeway carrying-rope, make capstan engine discharge hoisting line, sport car runs under Gravitative Loads under slope.
When sport car arrives behind desired location, press remote controller red button, excite electromagnetic wave teleswitch, start two-position four-way solenoid directional control valve make to be in "
" position; high pressure oil enters the left chamber of hydraulic cylinder with double piston rods; piston rod is moved right, and promotes reverse lever and parallelogram interlocking stop mechanism, ropeway carrying-rope brake shoe brake cheek is closed and holds ropeway carrying-rope tightly; thus sport car is fixed on ropeway carrying-rope; and make hoisting line brake shoe brake cheek be separated with hoisting line, load hook is declined, and load hook is pulled to weight by staff simultaneously; and load hook is hooked weight, make capstan engine reclaim hoisting line hoisting heavy.Weight is risen after winching to suitable height, press remote controller the green button, excite electromagnetic wave teleswitch, ropeway carrying-rope brake shoe brake cheek is separated with ropeway carrying-rope, make hoisting line brake shoe brake cheek close simultaneously and hold hoisting line tightly, make hoisting line change traction function into, sport car is drawn together with timber on slope.After sport car arrives timber unloading point, capstan engine quits work, press remote controller red button, excite electromagnetic wave teleswitch, make that ropeway carrying-rope brake shoe brake cheek is closed to be held ropeway carrying-rope tightly and fixed by sport car, make hoisting line brake shoe brake cheek be separated with hoisting line, weight is dropped to ground and reclaims load hook to appropriate location after unloading by capstan engine, so far terminates a duty cycle simultaneously.Press remote controller the green button, repeat said process and carry out next discontinuous running.
Compared to prior art, the present invention has the following advantages and good effect:
1, sport car of the present invention has remote-controlled reverse duplex interlocking hydraulic brake, the interlocking braking to ropeway carrying-rope and hoisting line can be realized, save special sport car trailing cable simultaneously, and ropeway carrying-rope need only be retained and hoisting line can meet job requirements, the power capstan system of logging cable crane and funicular system are greatly simplified, improve the agility of cable crane in forestry skidding operation and manoevreability, significant to playing the effect of cable crane in production of forestry further.
2, the hydraulic oil of sport car of the present invention reverse duplex interlocking 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 during in order to supplement hydraulic cylinder works in time, makes cylinder efficient quicker.Also on the circuit of high-pressure oil pump, be provided with pressure relay simultaneously, when system pressure reaches setup pressure value, the work of high-pressure oil pump can be stopped, to extend the work life of high-pressure oil pump.
3, the present invention carries electric power system and hydraulicefficiency telecontrol control system, achieves the intellectuality of sport car, practical and convenient.
4, little, lightweight, simple to operate, the easy maintenance of volume of the present invention, good reliability, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the structural representation of sport car of the present invention.
Accompanying drawing identifies:
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-fixes brake shoe brake cheek A, 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-fixes brake shoe brake cheek B, 31-gin wheel.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Embodiment 1:
A kind of remote-controlled duplex brake cable hoisting crane sport car, comprise car body and be fixedly mounted in car body for sport car being suspended on the traveling wheel 11,16 on ropeway carrying-rope 10 and the gin wheel 31 for 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 the fixing brake shoe brake cheek A12 of ropeway carrying-rope 10 upper and lower sides and ropeway carrying-rope brake shoe brake cheek 13, the fixing brake shoe brake cheek B30 being 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, is connected between them by conduit under fluid pressure 21, forms circulating oil path; The conduit under fluid pressure that two-position four-way solenoid directional control valve 17 is connected with high-pressure oil pump 22 is provided with a check valve 19; The control circuit of described two-position four-way solenoid directional control valve 17 is connected to an electromagnetic wave teleswitch 24.Described hydraulicefficiency telecontrol control system also comprises a hydraulic pressure energy storage tank 18, and pressure oil flow required when working in order to timely replenisher cylinder pressure 15, makes cylinder efficient quicker; The circuit of high-pressure oil pump 22 is 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 fixing brake shoe brake cheek A 12, fixing brake shoe brake cheek B 30 are fixedly mounted on car body respectively; 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 respectively by ropeway carrying-rope brake lever 14, hoisting line brake lever 28 and connecting rod.
Described working power 4 adopts storage battery.In car body, be also provided with charge system, described charge system comprises rectifying block 5, electrical generator 6, the hinge wheel 9 that is arranged on the minor sprocket 7 on electrical generator 6 S. A. and is arranged 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 respectively by restoring lever; Described hoisting line anticreep pulley 3 is arranged on gin wheel 31 side.
This cable crane sport car is used in 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 to be in "
" position; the 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 interlocking stop mechanism; ropeway carrying-rope brake shoe brake cheek 13 is separated with ropeway carrying-rope 10; make hoisting line brake shoe brake cheek 29 close simultaneously and hold hoisting line 2 tightly, make capstan engine discharge hoisting line 2, sport car runs under Gravitative Loads under slope.
After sport car arrives predetermined logging position, press remote controller red button, excite electromagnetic wave teleswitch 24 start two-position four-way solenoid directional control valve 17 make to be 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 interlocking stop mechanism; ropeway carrying-rope brake shoe brake cheek 13 is closed and holds ropeway carrying-rope 10 tightly; thus sport car is fixed on ropeway carrying-rope 10, make hoisting line brake shoe brake cheek 29 be separated with hoisting line 2 simultaneously, the load hook 1 being arranged on hoisting line 2 one end is declined, load hook 1 is pulled to the timber place bundled by staff, and load hook 1 is hooked choker, make capstan engine reclaim hoisting line 2 and lift by crane timber.Timber is risen after winching to suitable height, press remote controller the green button, ropeway carrying-rope brake shoe brake cheek 13 is separated with ropeway carrying-rope 10, makes hoisting line brake shoe brake cheek 29 close simultaneously and hold hoisting line 2 tightly, make hoisting line 2 change trailing cable into and sport car is drawn together with timber on slope.After sport car arrives timber unloading point, capstan engine quits work, press remote controller red button, make that ropeway carrying-rope brake shoe brake cheek 13 is closed to be held ropeway carrying-rope 10 tightly and fixed by sport car, make hoisting line brake shoe brake cheek 29 be separated with hoisting line 2 simultaneously, timber is dropped to ground and reclaims load hook 1 to appropriate location after unloading material by capstan engine, so far terminates 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 by sport car and charges, and electrical generator 6 is worked by Chain conveyer drive electrical generators 6 by the hinge wheel 9 coaxial with sport car traveling wheel 11, is electric energy by changes mechanical energy.
Claims (5)
1. a remote-controlled duplex brake cable hoisting crane sport car, comprise car body and be fixedly mounted in car body for sport car being suspended on the traveling wheel (11,16) on ropeway carrying-rope (10) and the gin wheel (31) for 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 fixing brake shoe brake cheek A(12 of (10) upper and lower sides that is arranged on ropeway carrying-rope) with ropeway carrying-rope brake shoe brake cheek (13), the fixing brake shoe brake cheek B(30 being arranged on hoisting line (2) upper and lower sides) with 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), is connected between them by conduit under fluid pressure (21), forms circulating oil path; The conduit under fluid pressure that two-position four-way solenoid directional control valve (17) is connected with high-pressure oil pump (22) is provided with a check valve (19); The control circuit of described two-position four-way solenoid directional control valve (17) is connected to an electromagnetic wave teleswitch (24);
Described fixing brake shoe brake cheek A(12), fixing brake shoe brake cheek B(30) be fixedly mounted on respectively on car body; Described ropeway carrying-rope brake shoe brake cheek (13) is connected with the hydraulic cylinder with double piston rods (15) of hydraulicefficiency telecontrol control system by ropeway carrying-rope brake lever (14), connecting rod successively; Described hoisting line brake shoe brake cheek (29) is connected with the hydraulic cylinder with double piston rods (15) of hydraulicefficiency telecontrol control system by hoisting line brake lever (28), connecting rod successively.
2. one according to claim 1 remote-controlled duplex brake cable hoisting crane sport car, is characterized in that: described hydraulicefficiency telecontrol control system also comprises a hydraulic pressure energy storage tank (18); The circuit of high-pressure oil pump (22) is 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. one according to claim 1 and 2 remote-controlled duplex brake cable hoisting crane sport car, is characterized in that: described working power (4) adopts storage battery.
4. one according to claim 3 remote-controlled duplex brake cable hoisting crane sport car, it is characterized in that: in car body, be also provided with charge system, described charge system comprises rectifying block (5), electrical generator (6), the hinge wheel (9) that is arranged on the minor sprocket (7) on electrical generator (6) S. A. and is arranged 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 one remote-controlled duplex brake cable hoisting 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 respectively by restoring lever; Described hoisting line anticreep pulley (3) is arranged on gin wheel (31) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310699314.0A CN103787196B (en) | 2013-12-18 | 2013-12-18 | A kind of remote-controlled duplex brake cable hoisting crane sport car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310699314.0A CN103787196B (en) | 2013-12-18 | 2013-12-18 | A kind of remote-controlled duplex brake cable hoisting crane sport car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103787196A CN103787196A (en) | 2014-05-14 |
| CN103787196B true CN103787196B (en) | 2015-08-12 |
Family
ID=50663333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310699314.0A Expired - Fee Related CN103787196B (en) | 2013-12-18 | 2013-12-18 | A kind of remote-controlled duplex brake cable hoisting crane sport car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103787196B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105235684B (en) * | 2015-11-11 | 2018-03-09 | 福建农林大学 | Mountain region skidding ropeway sport car driving structure and its method of work |
| CN106672786B (en) * | 2017-03-20 | 2018-03-09 | 福建农林大学 | The wheel light-duty sport car of counterweight is worn in mountain region logging |
| CN115849183B (en) * | 2023-01-17 | 2023-05-02 | 金炫业(怀来)机械装备有限公司 | Ring chain hydraulic hoist braking device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD233277A3 (en) * | 1984-08-21 | 1986-02-26 | Forsttechnik Oberlichtenau Veb | SWITCHING DEVICE FOR CABLE CARTS FOR LIFTING |
| AT387558B (en) * | 1986-08-29 | 1989-02-10 | Stuefer Heinz Fa | CABLE CRANE |
| CH694617A5 (en) * | 2000-12-13 | 2005-04-29 | Wyssen Seilbahnen Ag | Cable crane has running crab connected to it provided with running rollers for displacement on support cable, clamp apparatus and fall-off protection |
| CN201850078U (en) * | 2010-10-26 | 2011-06-01 | 中铁十三局集团第一工程有限公司 | Roadster for cable crane |
| CN203212239U (en) * | 2013-04-28 | 2013-09-25 | 杭州国电大力机电工程有限公司 | Two-wheeled self-propelled carrier |
| CN203740909U (en) * | 2013-12-18 | 2014-07-30 | 广西大学 | Remote-controlled duplex brake cable crane carriage |
-
2013
- 2013-12-18 CN CN201310699314.0A patent/CN103787196B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103787196A (en) | 2014-05-14 |
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 | |
| CN205498712U (en) | Robot movement system and flexible elevating gear thereof | |
| CN202766098U (en) | Remote control hydraulic grab bucket | |
| CN203463385U (en) | Energy-saving hoisting system of hydraulic crane | |
| CN108190738B (en) | Hoisting and transporting device for mining monorail crane | |
| CN203877781U (en) | Pneumatic hoisting device | |
| CN202808213U (en) | Mining pneumatic monorail crane | |
| CN202322054U (en) | Control device for operating cranes side by side | |
| CN204778506U (en) | Container crane of two main dollies | |
| CN102259793A (en) | Electric six-blade hydraulic grab bucket | |
| CN203740908U (en) | Remote-controllable pneumatic brake cable crane trolley | |
| CN208122890U (en) | Intelligent Cao Che robot | |
| CN101234674A (en) | Mountaintop transmitting aerodrome | |
| CN214420437U (en) | Intelligent cableway trolley | |
| CN112776829B (en) | Intelligent cableway trolley | |
| CN202935984U (en) | Belt type conveyor hydraulic winding device hydraulic system | |
| CN202609860U (en) | Container shifter special for container | |
| CN106899071B (en) | Intelligent charging and discharging method for energy-saving forklift | |
| CN202266529U (en) | Hydraulic circuit controlled by sequence valve and position limiting air valve | |
| CN108643962A (en) | Intelligent Cao Che robots and behaviour's vehicle method | |
| CN202193548U (en) | Solar-driven crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 |