CN106347105A - Power system with reverse blow-down capacity, vehicle body and aerial work platform - Google Patents
Power system with reverse blow-down capacity, vehicle body and aerial work platform Download PDFInfo
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- CN106347105A CN106347105A CN201610824128.9A CN201610824128A CN106347105A CN 106347105 A CN106347105 A CN 106347105A CN 201610824128 A CN201610824128 A CN 201610824128A CN 106347105 A CN106347105 A CN 106347105A
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- China
- Prior art keywords
- car body
- casing
- dynamical system
- transmission component
- flexible transmission
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
- B60K13/02—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning intake
-
- 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
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/044—Working platforms suspended from booms
-
- 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
- B66F2700/00—Lifting apparatus
- B66F2700/12—Lifting platforms for vehicles or motorcycles or similar lifting apparatus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to the field of engineering machinery, in particular to a power system with reverse blow-down capacity, a vehicle body and an aerial work platform. The power system comprises a first box, an engine, a cooler and a fan assembly arranged between the engine and the cooler, wherein the first box is provided with vent holes; the engine, the cooler and the fan assembly are all arranged in the first box; the fan assembly comprises fan blades, a driving device for driving the fan blades to rotate and a control valve group for controlling the rotating direction of the driving device; a cooling connection pipe allowing circulation of a coolant is arranged between the engine and the cooler. Therefore, sundries or dust in the power system are cleaned automatically, the cleaning efficiency is higher, the labor intensity is lower, cleaning is more complete and the cleaning effect is better, the internal burning rate of the engine and the output power of the engine can be increased, pollutants in exhaust gas can be reduced, energy saving and environmental protection are realized, and a better cooling effect is realized.
Description
[technical field]
The present invention relates to engineering machinery field, more particularly, to a kind of engineering working vehicle, being more particularly to one kind can reversely arrange
Dirty dynamical system and car body, aerial work platform.
[background technology]
Aerial work platform is a kind of advanced aerial operation machine, can greatly improve the work effect of aerial workmen
Rate, safety and comfortableness, and reduce labor intensity, early have been widely used in developed country.The making of China's aerial work platform
With also more and more extensive, such as initial general municipal road lamp maintenance, garden tree pruning etc., and fast with China's economy
Speed development, engineering construction, industrial installation, overhaul of the equipments, Factory Building maintenance, shipbuilding, electric power, municipal administration, airport, communication, gardens, traffic
Constantly increase Deng to the demand of aerial work platform.
Because aerial work platform often works and workman is frequently necessary to work on operating board in outdoor environment, and
The dynamical system of aerial work platform is typically on car body (being in below operating board) and dynamical system is generally not in
In totally enclosed environment (air access holes to be reserved etc.), therefore, have debris unavoidably or dust drops (deposition) to dynamical system
In gap on each part in system or between each part, and then, the performance need technology for unlikely impact dynamical system will
Debris can be cleaned out dust, in this regard, traditional way is manually it to be cleared up, this traditional method not only work efficiency
Low, high labor intensive, and because the structure of dynamical system is more complicated, have the gap between section components less, be unfavorable for craft
Cleaning, and then make cleaning is thorough, effect is poor etc..
Therefore, it is necessary to improve to the structure of the associated components of aerial work platform, car body or/and dynamical system,
To overcome shortcoming and the deficiency of above-mentioned prior art.
[content of the invention]
The purpose of the present invention aims to solve the problem that the problems referred to above, there is provided a kind of can the reversely dynamical system of blowdown and car body, height
Working platform, its achievable automatization removes debris or dust in dynamical system, cleaning efficiency is higher, labor intensity relatively
Little, cleaning more thoroughly, effect preferable.
For realizing this purpose, the invention provides a kind of can reverse blowdown dynamical system, including with air vent
One casing, electromotor, radiator and located at the fan component between described electromotor and radiator, described electromotor, radiator
And fan component is all in described first casing；Described fan component includes fan blade, drives described fan blade to rotate
Driving means and for control described driving means direction of rotation control valve group；Set between described electromotor and radiator
There is the cooling connecting tube for coolant circulation.
Specifically, described driving means adopt hydraulic-driven, are provided with for hydraulic pressure between described fan component and radiator
The hydraulic connecting pipe of medium circulation, the excessively described control valve group of described hydraulic connecting Gutron is connected with driving means.
It is preferred that described first casing is divided into two cabins by described radiator, i.e. the first cabin and the second cabin；Described
Electromotor and fan component are in the first cabin, and described air vent is on the second cabin.
Further, the air inlet of described electromotor is provided with air filter, and described air filter is in described
In two cabins.
It is preferred that described first casing includes cover plate, described air vent be opened on described cover plate with described second cabin
Relative position.
Correspondingly, present invention also offers a kind of car body, it include described in any of the above-described technical scheme can reversely blowdown
Dynamical system.
Further, described car body also includes vehicle frame, and described dynamical system is located at the side of described vehicle frame length direction.
Further, described car body also includes the second case of relative with described dynamical system side on described vehicle frame
Body, is provided with fuel tank and hydraulic oil container in described second casing.
Correspondingly, present invention also offers a kind of high-altitude operation vehicle, it include car body described in any of the above-described technical scheme,
It is hubbed at the flexible transmission component on described car body and the operating board located at described flexible transmission component end.
Further, the vehicle frame on described car body is provided with turntable, and described flexible transmission component is away from described operating board
One end is flexibly connected with described turntable by support arm；Described operating board passes through expansion joint assembly with flexible transmission component even
Connect；All it is provided with support member between described support arm and flexible transmission component and between flexible transmission component and expansion joint assembly.
Compared with prior art, the present invention possesses following advantage:
In the dynamical system of the present invention, because described electromotor, radiator and fan component are all located at described first casing
Interior, described fan component includes fan blade, the driving means driving described fan blade rotation and is used for controlling described driving
The control valve group of the direction of rotation of device；When normal work (non-blowdown), control valve group controls driving means to drive fan leaf
Piece rotates forward so that the air vent that air passes through on the first casing enters in the first casing, and blows to electromotor through radiator, real
The purpose of related substanceses radiating in existing electromotor and radiator；When blowdown, control valve group controls driving means to drive fan leaf
So that the debris in the first casing are discharged outside the first casing by air vent with air in the lump, this process is using automatically for piece reversion
Change remove dynamical system in debris or dust, cleaning efficiency is higher, labor intensity is less, cleaning more thoroughly, effect preferable.
Correspondingly, described first casing is divided into two cabins by described radiator, and that is, the first cabin and the second cabin, described
Electromotor and fan component are in the first cabin, described air vent on the second cabin, this frame mode can prevent through
The air of radiator heating at electromotor is run back disposed at air vent again, and then affects radiating effect；Meanwhile, the entering of described electromotor
QI KOU is provided with air filter, and described air filter is in described second cabin, and this structure can avoid through radiator
To at electromotor, the air of heating disposed at air vent of running back is inhaled into electromotor again and causes the insufficient, electromotor that burns in electromotor
Situations such as in output deficiency and aerofluxuss, pollutant increase, it can ensure that electromotor is always by the air that air filter sucks
There is the air of ambient temperature, and then improve the pollutant in combustion rate in electromotor, engine output and minimizing aerofluxuss,
Realize energy-conserving and environment-protective.
Simultaneously as the car body of the present invention and aerial work platform are improvement based on above-mentioned dynamical system and obtain, because
This, described car body and aerial work platform equally inherit the feature of above-mentioned dynamical system.
To sum up, the present invention not only achieve automatization remove dynamical system in debris or dust so that cleaning efficiency relatively
High, labor intensity is less, cleaning more thoroughly, effect preferably, and can improve combustion rate in electromotor, engine output and subtract
Pollutant in few aerofluxuss, realize energy-conserving and environment-protective, meanwhile, have preferable radiating effect.
[brief description]
Fig. 1 is a kind of structural representation of exemplary embodiments of aerial work platform in the present invention；
Fig. 2 is the structural representation of the car body shown in Fig. 1；
Fig. 3 is another status architecture schematic diagram of the car body shown in Fig. 1, which show the structure of the second box house；
Fig. 4 is another status architecture schematic diagram of the car body shown in Fig. 1, which show the structure of the first box house；
Fig. 5 is another status architecture schematic diagram of the car body shown in Fig. 1, which show electromotor and the second box house
Structure；
Fig. 6 is the structural representation of the dynamical system shown in Fig. 1, which show under the cover plate open mode of the first casing
The structure of each associated components；
Fig. 7 is the partial enlarged drawing at m position in Fig. 1；
Fig. 8 is another status architecture schematic diagram of the front end component of high-altitude operation vehicle shown in Fig. 1, described front end component bag
Include expansion joint assembly, operating board and its associated connecting member etc.；
Fig. 9 is the structural representation of the flexible transmission component of aerial work platform shown in Fig. 1；
Figure 10 is the partial enlarged drawing at a position in Fig. 9；
Figure 11 is the partial enlarged drawing at b position in Fig. 9；
Figure 12 stretches out status architecture schematic diagram for the flexible transmission component shown in Fig. 9；
Figure 13 is the structural representation of the inside key transmission component of the flexible transmission component shown in Fig. 9, wherein, crucial biography
Dynamic assembly includes the first sprocket wheel, the second sprocket wheel, stretches rope chain bar, returns rope chain bar and telescopic oil cylinder etc.；
Figure 14 is another status architecture schematic diagram of the inside key transmission component of the flexible transmission component shown in Fig. 9；
Figure 15 is another status architecture schematic diagram of the inside key transmission component of the flexible transmission component shown in Fig. 9；
Figure 16 is the structural representation of the telescopic oil cylinder of flexible transmission component shown in Fig. 9；
Figure 17 is the partial enlarged drawing at c position in Figure 16；
Figure 18 is a kind of structural representation of the front end component of another embodiment of aerial work platform in the present invention.
[specific embodiment]
With exemplary embodiment, the present invention is further described below in conjunction with the accompanying drawings, identical label wherein in accompanying drawing
All refer to identical part.Additionally, if it is known that the detailed description of technology is for illustrating the invention is characterized in that unnecessary
, then omitted.
A kind of structural representation such as Fig. 1～17 institute of the exemplary embodiments of aerial work platform that the present invention provides
Show, described aerial work platform include car body 1, the flexible transmission component 2 being articulated on described car body 1 and by stretch connection group
The operating board 3 that part 5 is connected with described flexible transmission component 2 end.
It should be noted that described car body 1 includes vehicle frame 102, drive system, fuel tank 121 and hydraulic oil container 122；Institute
State drive system and include dynamical system 14, drive mechanism, control system, drive mechanism and wheel set etc.；Described dynamical system
14th, fuel tank 121 and hydraulic oil container 122 are all located at the side of described vehicle frame 102 length direction；On the vehicle frame 102 of described car body 1
End is provided with turntable 101, and described flexible transmission component 2 passes through support arm 4 and described turntable 101 away from one end of described operating board 3
It is flexibly connected；Described operating board 3 is connected with flexible transmission component 2 by expansion joint assembly 5；Described support arm 4 is passed with flexible
All it is provided with support member (concretely each function type between dynamic assembly 2 and between flexible transmission component 2 and expansion joint assembly 5
Oil cylinder).
Refer to accompanying drawing 1～6, fixation is mounted with the first casing 11 to the both lateral sides of described vehicle frame 102 length direction respectively
With the second casing 12, described fuel tank 121 is with hydraulic oil container 122 in the second casing 12.Described fuel tank 121, hydraulic oil
Case 122 and the second casing 12 adopt unitary design, and be additionally provided with described second casing 12 can turn over into rout up described
Control chamber 123 in second casing 12, described control chamber 123 and control system are electrically connected with；Specifically, described second casing 12
Side be provided with and be easy to described control chamber 123 and rout up and turn over the upset mouth into described second casing 12, described control chamber 123 upper
Side (on the basis of the placing direction of Fig. 3 in Figure of description) edge is hinged with the upper edge of described upset mouth；When will be described
After described upset mouth routs up the second casing 12, described control chamber 123 is designed to comply with control chamber 123 with respect to the height on ground
Ergonomic requirements when workman stands on ground.In addition, may also set up electrical with described control system on described operating board 3
The relative control apparatus connecting.
Electromotor 112 in described dynamical system 14, radiator 143 and located at described electromotor 112 and radiator 143 it
Between fan component 142 all in the first casing 11；Wherein, described radiator 143 (with the gusset on the first casing 11 and he
Between rubber strip cooperation) described first casing 11 is divided into two cabins, that is, the first cabin 15 and the second cabin 16, described
Electromotor 112 and fan component 142 are in the first cabin 15, and meanwhile, described electromotor 112 is fixed in institute by support 114
State on vehicle frame 102, described electromotor 112 is provided with damping device (not shown), described first casing 11 with the junction of support 114
Have for its interior associated component is covered the cover plate of getting up, the position relative with described second cabin 16 on described cover plate
It is provided with the air vent 17 (referring to accompanying drawing 6, other views are not drawn into) being easy to into giving vent to anger, the enterprising trachea of described electromotor 112
Air inlet is provided with air filter 144, and described air filter 144 is in described second cabin 16.
Described fan component 142 include fan blade 152, drive the driving means 153 that described fan blade 152 rotates and
For controlling the control valve group 154 of the positive and reverse steering of described driving means 153；Set between described electromotor 112 and radiator 143
There is the cooling connecting tube for coolant circulation.Wherein, described driving means 153 adopt hydraulic-driven, described fan component 142
It is provided with the hydraulic connecting pipe for hydraulic medium circulation and radiator 143 between, the excessively described control valve of described hydraulic connecting Gutron
Group 154 is connected with driving means 153；Described radiator 143 includes Outboard Sections (the close vehicle frame 102 for coolant radiating
Part) and for hydraulic medium radiating inboard portion；Described coolant is mainly used in flowing through electromotor 112 is started with taking away
Heat on machine 112, realizes the thermolysis to electromotor 112；Described hydraulic medium is mainly used in and electromotor 112 axle head
Oil pump coordinates to make driving means 153 rotate, and then drives fan blade 152 to rotate.
When dynamical system 14 normal work (non-blowdown), control valve group 154 controls driving means 153 to drive fan blade
152 rotate forward (predefined) so that the air vent 17 that outside air passes through on the first casing 11 enters in the first casing 11, and warp
Cross radiator 143 and blow to electromotor 112, realize the purpose of related substanceses radiating in electromotor 112 and radiator 143.Work as blowdown
When, control valve group 154 controls driving means 153 to drive fan blade 152 to invert so that the debris in the first casing 11 are with air
Discharge outside the first casing 11 by air vent 17 in the lump, this process adopts automatization to remove debris or ash in dynamical system 14
Dirt, cleaning efficiency is higher, labor intensity is less, cleaning more thoroughly, effect preferable.
Further, since by described dynamical system 14, fuel tank 121 and hydraulic oil container 122 all located at described in above-mentioned car body 1
The side of vehicle frame 102, and in those parts and associated components load related substanceses after gross weight up to 1000kg～1500kg,
Thus it can make the center of gravity of aerial work platform reduce about 0.4m～0.6m, and then greatly promote the cross-country ability of aerial work platform
Energy and climbing capacity, so that this aerial work platform more adapts to the working environments of various complexity.Meanwhile, it also has and is easy to increase height
The level of working platform is stretched away from the working range of increase aerial work platform.
Described expansion joint assembly 5 includes outer arm 51, is slideably positioned in described outer arm 51 and can be from described outer arm 51
The inner arm 52 that stretches out of one end and located at the forearm telescopic oil cylinder 53 between described outer arm 51 and inner arm 52.
It should be noted that described forearm telescopic oil cylinder 53 includes cylinder body (not shown) and is slideably positioned in described cylinder body
Piston rod (not shown)；Preferably, described cylinder body is fixed on the outer wall of described outer arm 51, and the external part of described piston rod is solid
It is connected on the outer wall of described inner arm 52.
It is provided with the first leveling cyclinder 55, described flexible connection group between described flexible transmission component 2 and expansion joint assembly 5
The one end being connected with described flexible transmission component 2 on part 5 is hinged with small arm head 54；One end of described first leveling cyclinder 55 with stretch
Contracting transmission component 2 is hinged, and the other end is hinged with described small arm head 54；Described expansion joint assembly 5 also includes forearm amplitude oil cylinder
57, one end of described forearm amplitude oil cylinder 57 is hinged with described small arm head 54, and the other end is hinged with the outer wall of described outer arm 51, makes
Obtain described small arm head 54, outer arm 51 and forearm amplitude oil cylinder 57 and constitute a triangle jib lubbing mechanism.
It should be noted that small arm head 54, outer arm 51 and flexible transmission component 2 are hinged by same bearing pin 512；Described
First leveling cyclinder 55, small arm head 54, forearm amplitude oil cylinder 57 and outer arm 51 constitute a quadric chain.In addition, the first tune
Flat oil cylinder 55 can be using electric leveling mode, it would however also be possible to employ hydraulic leveling mode；When using electric leveling mode, make described forearm
54, outer arm 51 and flexible transmission component 2 are realized hinged bearing pin 512 and are provided with being easy to and described first leveling cyclinder 55 phase
The angular transducer (not shown) joined；When using hydraulic leveling mode, described flexible transmission component 2 is provided with and described first
The hydro -leveling device that leveling cyclinder 55 is mutually matched；Preferably, described first leveling cyclinder 55 is using electric leveling mode.
Wherein, by the first leveling cyclinder 55, the push pull maneuver of small arm head 54 can be realized with the leveling to small arm head 54；Tool
Body, a certain angle preset of small arm head 54 is zero-bit by the angular transducer being arranged on small arm head 54, in flexible transmission group
In the amplitude changing process of part 2, small arm head 54 accordingly can tilt, now angular transducer meeting with the luffing of flexible transmission component 2
The angle signal of small arm head 54 is delivered to corresponding controller, controller can send corresponding control instruction after receiving signal, with
Control the first leveling cyclinder to stretch 55 to stretch thus realizing the leveling of small arm head 54, that is, control small arm head 54 to be in default zero all the time
Position.In addition, can be by controlling the flexible luffing up and down to realize expansion joint assembly 5 of forearm amplitude oil cylinder 57.
Further, it is provided with the 3rd leveling cyclinder 58, described 3rd tune between described expansion joint assembly 5 and operating board 3
One end of flat oil cylinder 58 is hinged with described inner arm 52, and the other end is hinged with the oscillating cylinder 33 being fixed on described operating board 3.
Preferably, it is additionally provided with the second leveling cyclinder 56, described second tune between described small arm head 54 and expansion joint assembly 5
One end of flat oil cylinder 56 is hinged with small arm head 54, and the other end is hinged with the outer wall of described outer arm 51；Described second leveling cyclinder 56
Cavity communicated by oil pipe with the cavity of the 3rd leveling cyclinder 58.
It should be noted that described second leveling cyclinder 56 can avoid stretching with the setting of the 3rd leveling cyclinder 58 is connected group
Part 5 operating board 3 run-off the straight in amplitude changing process, both may insure in the amplitude changing process of expansion joint assembly 5, described operation
Platform 3 remains that horizontal attitude, the therefore second leveling cyclinder 56 and the 3rd leveling cyclinder 58 have two grades of levelling functions (described
One leveling cyclinder 55 and its relevant apparatus realize one-level leveling).Cavity and the 3rd leveling due to described second leveling cyclinder 56
The cavity of oil cylinder 58 is communicated by oil pipe, thus can by the 3rd leveling cyclinder 58 and the second leveling cyclinder 56 flexible mate reach
To the purpose of leveling, its detailed process is: when expansion joint assembly 5 luffing upwards, the expansion link in forearm amplitude oil cylinder 57
Stretch out, the expansion link in the second leveling cyclinder 56 also stretches out simultaneously, now in the second leveling cyclinder 56 rod chamber hydraulic medium
It flow to because of pressure in the rod chamber of the 3rd leveling cyclinder 58, then the expansion link retraction of the 3rd leveling cyclinder 58, the 3rd leveling
Hydraulic medium in the rodless cavity of oil cylinder 58 enters the rodless cavity of the second leveling cyclinder 56 by oil pipe, with by the 3rd leveling oil
Cylinder 58 to realize leveling purpose to the pressure balance in the related chamber of the second leveling cyclinder 56；When the downward luffing of expansion joint assembly 5
When, it is also the same principle, simply the flow direction of hydraulic medium and the kinestate of associated components are contrary；Wherein, described second tune
The stroke of the cylinder barrel sectional area of flat oil cylinder 56 and the 3rd leveling cyclinder 58, flexible rod area and expansion link be all default and
Prepare.
Refer to accompanying drawing 1 and 7～17, it discloses the one of the flexible transmission component of the aerial work platform of the present invention jointly
Individual exemplary embodiments.Described flexible transmission component 2 includes basic arm 21, two joint arms 22, three joint arms 23, telescopic oil cylinder 24, stretches rope
Chain 27 and time rope chain bar 28.
Described two joint arms 22 are socketed in described basic arm 21 and can be from described basic arms 21 (upside shown in Figure 12)
Stretch out, described three joint arms 23 are socketed in described two joint arms 22 and can be from the external part of described two joint arms 22 (shown in Figure 12
Side) stretch out.
Described telescopic oil cylinder 24 includes the cylinder barrel 241 being fixed in described two joint arms 22 and is socketed in described cylinder barrel 241
Expansion link 242, described expansion link 242 has hollow structure 247, the hollow structure 247 in described expansion link 242 and cylinder barrel
241 internal cavities communicate, and are provided with oil guide pipe 245, described expansion link 242 in the described hollow structure 247 on described expansion link 242
External part (Figure 14 shown in downside) be fixed on described basic arm 21.Preferably, the external part end face of described expansion link 242 leads to
Cross clamp 8 to be fixed on basic arm 21, described cylinder barrel 241 is provided with the external part of described expansion link 242 described in being easy to
Cylinder barrel 241 is fixed on the connecting portion in described two joint arms 22, and described connecting portion may include pin shaft hole, inserts bearing pin by bearing pin
Kong Zhong, to realize with this cylinder barrel 241 is fixed in two joint arms 22；Certainly, the connecting portion on cylinder barrel 241 also can be located at cylinder barrel
241 other positions, such as middle part of cylinder barrel 241 etc..
Additionally, the first sprocket wheel 25 is installed with described telescopic oil cylinder 24, described two joint arms 22 are installed with the second sprocket wheel 26,
Described second sprocket wheel 26 is closer to the external part of described cylinder barrel 241 with respect to the first sprocket wheel 25；The one of described stretching chain 27
End is fixed on described basic arm 21, and the other end bypasses described first sprocket wheel 25 and is fixed in described three joint arms 23, that is, stretch chain
The two ends of bar 27 are all in the downside (on the basis of the direction that relevant drawings in Figure of description are put) of the first sprocket wheel 25；Described
The one end returning rope chain bar 28 is fixed in described three joint arms 23, and the other end bypasses described second sprocket wheel 26 and is fixed in described basic arm
On 21, that is, the two ends returning rope chain bar 28 are all in the upside (side put with relevant drawings in Figure of description of the second sprocket wheel 26
To on the basis of).Preferably, described first sprocket wheel 25 be on described telescopic oil cylinder 24 with external part it described away from
At the oil cylinder head of one end, described second sprocket wheel 26 is in described two joint arms 22 at the external part of described expansion link 242；Logical
Cross this frame mode, can by the first sprocket wheel 25 and the second sprocket wheel 26 be divided into cylinder barrel 241 upper and lower (with phase in Figure of description
On the basis of closing the direction put of accompanying drawing) at the position at two ends it can be ensured that cylinder barrel 241 more smoothly moves, and then drive dependent part
The steady transmission of part and stretching motion；Certainly, described first sprocket wheel 25 and the second sprocket wheel 26 also can arranging other correct positions,
Such as first sprocket wheel 25 position in the middle part of the cylinder barrel on cylinder barrel 241, or the second sprocket wheel 26 leans in two joint arms 22
At the position at nearly cylinder barrel 241 middle part etc..
Wherein, as shown in Figure 16～17, the inner chamber of the cylinder barrel 241 of described telescopic oil cylinder 24 is divided into by expansion link 242 to be had
Rod cavity 244 and rodless cavity 243, the cavity that is, inner chamber of cylinder barrel 241 position overlapping with expansion link 242 is formed is rod chamber
244, the inner chamber of cylinder barrel 241 is not overlapping with expansion link 242 and is in expansion link 242 end upper right side (with Figure of description
On the basis of the direction that Figure 17 puts) position be rodless cavity 243；The hollow structure 247 of described expansion link 242 passes through interface channel
246 are connected with rod chamber 244；Oil guide pipe 245 in the hollow structure 247 of described expansion link 242 and this hollow structure 247 all has
External oil pipe communicates.
Further, to pass through chain connector 29 affixed with stretching the respective termination of rope chain bar 27 for described time rope chain bar 28
In described three joint arms 23, and this each termination is respectively and fixedly connected with the both sides of described chain connector 29；By this frame mode,
Have and be easy to stretch rope chain bar 27, return and between rope chain bar 28 and three joint arms 23, preferably realize linkage effect.Certainly, stretch rope chain bar 27 with
Return rope chain bar 28 and also can pass through being fixedly connected of different connection member realizations and three joint arms 23 respectively.
Further, described rope chain bar 27 of stretching is provided with chain detection apparatus；This chain detection apparatus can real-time detection phase
The state of pass chain, when related chain occurs fracture or exceeds default loosening value, it can send alarm signal, come true with this
Protect the safety in utilization of this flexible transmission component 2, and then guarantee the personal safety of operator and other related personnel.Specifically
, can be by chain detection apparatus located at stretching one end that rope chain bar 27 is connected with basic arm 21.
Preferably, described basic arm 21, two joint arms 22 and three joint arms 23 are all preferably hollow structure, certainly, described basic
It is hollow structure that arm 21, two joint arms 22 and three joint arms 23 are not limited to internal, and it alternatively enables to meet its of aforementioned condition
His structure.
Further, the hollow structure inside of described basic arm 21, two joint arms 22 and three joint arms 23 constitutes telescopic cavity, described
Telescopic oil cylinder 24, the first sprocket wheel 25, the second sprocket wheel 26, stretch rope chain bar 27 and return rope chain bar 28 be all in described telescopic cavity；Its
Can make the more compact structure of this flexible transmission component 2, and then reduce the abrasion of associated components and slow down that it is aging, extend its use
Life-span, and also maintenance and frequency of maintenance can be reduced, maintenance simultaneously, maintenance are more convenient, and maintenance and maintenance cost are relatively low, separately
Outward, also can reduce to a certain extent makes related personnel's to touch injured probability because above-mentioned associated components expose outside by mistake.When
So, by telescopic oil cylinder 24, the first sprocket wheel 25, the second sprocket wheel 26, stretch rope chain bar 27 and return the parts such as rope chain bar 28 located at telescopic cavity
(i.e. on the outer wall of basic arm 21, two joint arms 22 and three joint arms 23) is also feasible outward.
To sum up, because expansion link 242 is affixed on basic arm 21, therefore when by appropriate liquid media drive cylinder barrel
When 241, cylinder barrel 241 can drive two joint arms 22 to move (on the basis of the direction that relevant drawings in Figure of description are put) in the lump upwards
Dynamic, so that two joint arms 22 are stretched out from the upper end of basic arm 21, and then by stretching the gearing of rope chain bar 27 and the first sprocket wheel 25
Three joint arms 23 are pulled to stretch out from the upper end of two joint arms 22, with continuing infusion fluid medium in cylinder barrel 241, two joint arms 22 and three save
Arm 23 can continue upward end and extend, until it reaches required shift motion or maximum preset stroke；Wherein, in this process,
One sprocket wheel 25 is equivalent to a movable pulley so that three joint arms 23 are equal to cylinder barrel 241 shift motion with respect to the displacement of basic arm 21
2 times of (i.e. two joint arms 22 are with respect to the displacement of basic arm 21), so have and are easy to a certain degree improving flexible stroke.
When making rod chamber 244 oil-feed in cylinder barrel 241 by the hollow structure 247 in expansion link 242, cylinder barrel 241 meeting
Two joint arms 22 are driven to move down in the lump, so that two joint arms 22 are retracted from the upper end of basic arm 21, and then by returning rope chain bar 28
And second the gearing of sprocket wheel 26 three joint arms 23 can be pulled to bounce back in two joint arms 22, with lasting entering in expansion link 242
Oil, two joint arms 22 and three joint arms 23 can continue to bounce back to lower end, until it reaches required retraction degree or be fully retracted puts in place；Its
In, in this process, the second sprocket wheel 26 is equivalent to a movable pulley so that three joint arms 23 are equal to respect to the displacement of basic arm 21
2 times of cylinder barrel 241 shift motion (i.e. two joint arms 22 are with respect to the displacement of basic arm 21).
Specifically, comprehensive Fig. 1 and other relevant drawings, it is real with operating board 3 that described three joint arms 23 pass through expansion joint assembly 5
Existing hinged, that is, three joint arms 23 are hinged with the outer arm 51 on expansion joint assembly 5, the inner arm 52 on expansion joint assembly 5 with operate
Platform 3 connects, described expansion joint assembly 5 have be easy to operating board 3 realize further in the horizontal direction a certain degree of extend and
Retraction；Described basic arm 21 passes through that support arm 4 is hinged with car body 1, and that is, basic arm 21 is hinged with support arm 4, support arm 4 and car body
Associated components on 1 are flexibly connected；In addition, being provided with amplitude oil cylinder 6 between basic arm 21 and support arm 4, it can make basic arm
21st, support arm 4 and also constitute a stable triangular structure with its interconnective amplitude oil cylinder 6, and then make this high-altitude
Job platform has higher stability and safety in operation.
When aerial work platform need to rise arm operation, two joint arms 22 in flexible transmission component 2 are controlled to stretch with three joint arms 23
Go out, now, the operating board 3 being connected with flexible transmission component 2 synchronously can be stretched out under the drive of three joint arms 23, meanwhile, also controlled
Make related amplitude oil cylinder 6, support arm 4 and expansion joint assembly 5 to adjust extension angle or the position of associated arm, until operation
Platform 3 reaches default operating position or maximum extension stroke.
In the same manner, when aerial work platform need to receive arm operation, two joint arms 22 in flexible transmission component 2 and three joint arms are controlled
23 retractions, now, the operating board 3 being connected with flexible transmission component 2 can synchronous under the drive of three joint arms 23 be bounced back, meanwhile, also
Can control related amplitude oil cylinder 6, support arm 4 and expansion joint assembly 5 to adjust angle or the position of associated arm, until operation
Platform 3 bounces back to default operating position or original non-extension state.
Additionally, referring to accompanying drawing 18, there is disclosed another embodiment of the aerial work platform of the present invention, this embodiment
And the difference of above-described embodiment is: the support member between described flexible transmission component 2 and expansion joint assembly 5 is luffing
Oil cylinder 57, substitutes the one-level leveling associated components in above-described embodiment with this amplitude oil cylinder 57；Described 3rd leveling cyclinder 58
Using electric leveling mode, described oscillating cylinder 33 is provided with the angular transducer 59 with the cooperation of described 3rd leveling cyclinder 58, that is, use
This electric leveling mode substitutes the hydraulic leveling mode in two grades of leveling in above-described embodiment.
During work, can be flexible next real by the amplitude oil cylinder 57 between this flexible transmission component 2 and expansion joint assembly 5
The luffing up and down of existing expansion joint assembly 5；Can be by the flexible leveling to realize operating board of the 3rd leveling cyclinder 58 it is ensured that grasping
Station is in horizontality all the time.
Specifically, a certain position of operating board 3 is preset as zero-bit by the angular transducer 59 being arranged on oscillating cylinder 33,
In expansion joint assembly 5 amplitude changing process, this angular transducer 59 can transmit the signal of telecommunication to corresponding controller, and controller receives letter
Corresponding control instruction being sent after number, to control the 3rd leveling cyclinder 58 to stretch thus realizing the leveling of operating board, that is, controlling behaviour
Station 3 is in default zero-bit all the time.
To sum up, the present invention not only achieve automatization remove dynamical system in debris or dust so that cleaning efficiency relatively
High, labor intensity is less, cleaning more thoroughly, effect preferably, and can improve combustion rate in electromotor, engine output and subtract
Pollutant in few aerofluxuss, realize energy-conserving and environment-protective, meanwhile, have preferable radiating effect.
Although having been illustrated with some exemplary embodiments of the present invention above, those skilled in the art will manage
Solution, in the case of the principle without departing from the present invention or spirit, can make a change to these exemplary embodiments, the present invention's
Scope is limited by claim and its equivalent.
Claims (10)
1. a kind of can reversely blowdown dynamical system it is characterised in that include open up the first casing of air vent thereon, start
Machine, radiator and located at the fan component between described electromotor and radiator, described electromotor, radiator and fan component are all
In described first casing；Described fan component include fan blade, drive the driving means that described fan blade rotates and
For controlling the control valve group of the direction of rotation of described driving means；It is provided with for coolant between described electromotor and radiator
The cooling connecting tube of circulation.
2. as claimed in claim 1 can reversely blowdown dynamical system it is characterised in that described driving means adopt hydraulic pressure drive
Dynamic, it is provided with the hydraulic connecting pipe for hydraulic medium circulation, described hydraulic connecting Gutron between described fan component and radiator
Cross described control valve group to be connected with driving means.
3. as claimed in claim 1 or 2 can reverse blowdown dynamical system it is characterised in that described radiator is by described
One casing is divided into the first cabin and the second cabin；Described electromotor and fan component are in the first cabin, and described air vent sets
On the second cabin.
4. as claimed in claim 3 can reverse blowdown dynamical system it is characterised in that setting on the air inlet of described electromotor
There is air filter, described air filter is in described second cabin.
5. as claimed in claim 3 can reverse blowdown dynamical system it is characterised in that described first casing includes cover plate,
Described air vent is opened in relative with described second cabin position on described cover plate.
6. a kind of car body it is characterised in that include as described in any one of Claims 1 to 5 can reverse blowdown dynamical system.
7., it is characterised in that described car body also includes vehicle frame, described dynamical system is located at institute for car body as claimed in claim 6
State the side of vehicle frame length direction.
8. car body as claimed in claim 7 it is characterised in that described car body also include on described vehicle frame with described power
Second casing of the relative side of system, is provided with fuel tank and hydraulic oil container in described second casing.
9. a kind of high-altitude operation vehicle is as described in it is characterised in that including the car body as described in any one of claim 6～8, being hubbed at
Flexible transmission component on car body and the operating board located at described flexible transmission component end.
10. aerial work platform as claimed in claim 9 is it is characterised in that the vehicle frame on described car body is provided with turntable, institute
The one end stating flexible transmission component away from described operating board is flexibly connected with described turntable by support arm；Described operating board passes through
Expansion joint assembly is connected with flexible transmission component；Between described support arm and flexible transmission component and flexible transmission component with stretch
All it is provided with support member between contracting coupling assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610824128.9A CN106347105A (en) | 2016-09-14 | 2016-09-14 | Power system with reverse blow-down capacity, vehicle body and aerial work platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610824128.9A CN106347105A (en) | 2016-09-14 | 2016-09-14 | Power system with reverse blow-down capacity, vehicle body and aerial work platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106347105A true CN106347105A (en) | 2017-01-25 |
Family
ID=57859480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610824128.9A Pending CN106347105A (en) | 2016-09-14 | 2016-09-14 | Power system with reverse blow-down capacity, vehicle body and aerial work platform |
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| CN (1) | CN106347105A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501690A (en) * | 2018-05-11 | 2018-09-07 | 浙江鼎力机械股份有限公司 | The cooling system of engine nacelle |
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| JPH11292480A (en) * | 1998-04-08 | 1999-10-26 | Hitachi Constr Mach Co Ltd | Vehicle for high lift work |
| JP2001341998A (en) * | 2000-06-05 | 2001-12-11 | Seirei Ind Co Ltd | Vehicle for high lift work |
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Application publication date: 20170125 |