CN206069308U - aerial work platform - Google Patents

Abstract

This utility model is related to engineering machinery field, more particularly to a kind of aerial work platform.The aerial work platform includes car body, the flexible transmission component being hubbed on the car body and is articulated with the operating board of the flexible transmission component end；The flexible transmission component is provided with length angular transducer, the car body is provided with master controller, and the master controller is arranged so that the operating board can keep constant and move in the horizontal direction or the operating board can keep constant and move in vertical direction relative to the horizontal displacement of the second predeterminated position relative to the height of the first predeterminated position.Therefore, this utility model can make the movement of operating board in the vertical direction and front and back position keeps constant or only moves in the longitudinal direction and height keeps constant, and then improve simple operation and work efficiency.

Description

Aerial work platform

【Technical field】

This utility model is related to engineering machinery field, more particularly to a kind of 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 labor intensity is reduced, early have been widely used in developed country.China aerial work platform makes With also more and more extensively, such as initial general municipal road lamp maintenance, garden tree pruning etc., and it is 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 the demand to aerial work platform.

Traditional aerial work platform in operation moving process, because of can not be accurate and effective between its each part accomplish Cooperate and self adjustment control, for example, operating board will certainly drive operating board in the horizontal direction during moving up and down Upper mobile respective distance, which cannot typically accomplish that operating board is not moved in the horizontal direction when vertical direction is moved, i.e., Cannot accomplish to operate straight up and down；To cause operating board only to rise or fall, and front and back position is constant, then need repeatedly repeatedly The position of control adjustment operating board, both including its upper-lower position, also including front and back position, for example, when only needing on control operation platform Rise and front and back position it is constant when, need first control operation platform to rise, and operating board also and then can move forward in operating board uphill process, Thus, move after needing control operation platform again, repeatedly repeatedly until reaching default position, the process operation is comparatively laborious, work effect Rate is relatively low.

In addition, traditional aerial work platform is as want control operation platform to go up movement in only the horizontal direction and vertical direction holding When constant, can only typically pass through to control the flexible realizing of telescopic small arm (i.e. expansion joint assembly), and can not be each by other Cooperating between part (such as support arm, flexible transmission component etc.) is come directly (not including controlling repeatedly with self adjustment control System adjustment) realize, if there is no the aerial work platform of telescopic small arm (i.e. expansion joint assembly), need repetitive control adjustment ability Realize that operating board goes up movement in only the horizontal direction and height remains unchanged, thus its control mode is also relatively simple, loaded down with trivial details.

Therefore, it is necessary to a kind of improved aerial work platform and corresponding control method are provided, it is above-mentioned existing to overcome The determination of technology and deficiency.

【Utility model content】

The purpose of this utility model aims to solve the problem that the problems referred to above, there is provided a kind of aerial work platform, and which can make operation Platform in the vertical direction is moved and front and back position keeps constant or only moves in the longitudinal direction and highly keep constant, and then Improve simple operation and work efficiency.

To realize the purpose, this utility model provides a kind of aerial work platform, including：Car body, it is hubbed at the car Flexible transmission component on body and it is articulated with the operating board of the flexible transmission component end；The flexible transmission component is provided with For monitoring the length angular transducer of the collapsing length and change angle of the flexible transmission component, the car body is provided with master Controller, the master controller be arranged so that the operating board relative to the first predeterminated position height keep it is constant and in water Square move up or the operating board keeps constant and moves in vertical direction relative to the horizontal displacement of the second predeterminated position It is dynamic；The length angular transducer is electrically connected with master controller or is communicated to connect.

Further, the flexible transmission component is connected with the car body by support arm, the support arm and flexible biography Amplitude oil cylinder is provided between dynamic component.

Further, the flexible transmission component is connected with operating board by expansion joint assembly, the flexible connection group Amplitude oil cylinder is provided between part and flexible transmission component.

Further, the flexible transmission component include basic arm, be socketed on the basic arm in and can be from the base Two joint arms stretched out in this arm, be socketed on two joint arm in and can stretch out from the external part of two joint arm three joint arms, Telescopic oil cylinder, stretch rope chain bar and return rope chain bar；The telescopic oil cylinder includes cylinder barrel and the expansion link being socketed in the cylinder barrel, institute The external part for stating expansion link is fixed on the basic arm, and the cylinder barrel is fixed in two joint arm；On the telescopic oil cylinder Be installed with the first sprocket wheel, in two joint arm, be fixedly provided with the second sprocket wheel, second sprocket wheel relative to the first sprocket wheel closer to On the cylinder barrel, be easy to the expansion link to stretch out external part；One end of the stretching chain is fixed on the basic arm, The other end bypasses first sprocket wheel and is fixed in the three joint arms；One end of described time rope chain bar is fixed in the three joint arms On, the other end bypasses second sprocket wheel and is fixed on the basic arm.

It is preferred that first sprocket wheel on the telescopic oil cylinder in the external part away from one end oil At cylinder head, second sprocket wheel is in two joint arm at the external part of the expansion link.

Further, described time rope chain bar is fixed in the three joint arms by chain connector with rope chain bar is stretched, described The one end for returning rope chain bar is respectively and fixedly connected with the both sides of the chain connector with the one end for stretching rope chain bar.

Further, the Inner Constitution telescopic cavity of the basic arm, two joint arms and three joint arms, the telescopic oil cylinder, first Sprocket wheel, the second sprocket wheel, stretch rope chain bar and return rope chain bar all in the telescopic cavity.

Correspondingly, this utility model additionally provides a kind of aerial work platform control method of motion trace, and the method is by upper The master controller stated in the aerial work platform described in arbitrary technical scheme is performed, and which comprises the following steps：

The operating board obtained on aerial work platform is relative to the height value of the first predeterminated position and default relative to second The horizontal displacement value of position, and record storage；

Response operational order, calculate according to default calculation adjust needed for each associated components to change angle and/or Collapsing length, and draw result of calculation；

According to the result of calculation, corresponding control instruction is issued, so that the operating board is relative to the first predeterminated position Height value keep it is constant and move in the horizontal direction or the operating board relative to the second predeterminated position horizontal displacement value Keep constant and move in vertical direction.

Compared with prior art, this utility model possesses following advantage：

In aerial work platform of the present utility model, it is provided with described flexible for monitoring including the flexible transmission component The length angular transducer of the collapsing length and change angle of transmission component, the car body are provided with master controller, the length Angular transducer is electrically connected with master controller or is communicated to connect, as the master controller can be calculated respectively according to control instruction The change angle and/or collapsing length of associated components, so according to result of calculation control the flexible and luffing of each associated components come Control the move mode of the operating board so that the operating board relative to the first predeterminated position height can keep it is constant and (i.e. non-through to cross the flexible of expansion joint assembly and only moving in fore-and-aft direction for realizing) or the behaviour are moved in the horizontal direction The horizontal displacement for making platform relative to the second predeterminated position can keep constant and move in vertical direction and (move straight up and down It is dynamic)；So that aerial work platform is in mobile operation, it is capable of achieving more easily to operate the operating board on aerial work platform Reach specified location, particularly straight up and down or it is movable when, can almost settle at one go, its work efficiency is higher.

Correspondingly, the flexible transmission component is connected with the car body by support arm, the support arm and flexible transmission Amplitude oil cylinder is provided between component, the frame mode is not only easy to improve on operating board vertical direction and/or horizontal direction Extended distance, broadens the scope of work, and has the realization for being easy to the operating board to operate straight up and down.

Meanwhile, the flexible transmission component is connected with operating board by expansion joint assembly, the expansion joint assembly with Amplitude oil cylinder is provided between flexible transmission component, as expansion joint assembly has retractility, which has is easy to further improve behaviour Make on platform vertical direction and/or horizontal direction extended distance, and then broaden the scope of work；It is most importantly the flexible connection group Part can keep vertical direction top offset not change when stretching in the horizontal direction, you can greatly expand the work of horizontal direction Scope.

Further, since permanent vertical control method of the present utility model has being performed by the master controller, which is based on institute State aerial work platform function to be realized and improved, therefore, its at least part with the aerial work platform is special Point.

To sum up, this utility model can not only make operating board in the vertical direction movement and front and back position keep it is constant or Only move in the longitudinal direction and height keeps constant, and then improve simple operation and work efficiency, and its have it is larger Working range.

【Description of the drawings】

Fig. 1 is a kind of structural representation of an exemplary embodiments of aerial work platform in this utility model；

Fig. 2 is the partial enlarged drawing at M positions in Fig. 1；

Another status architecture schematic diagrams of the Fig. 3 for the front end component of the high-altitude operation vehicle shown in Fig. 1, the front end component bag Include expansion joint assembly, operating board and its associated connecting member etc.；

Fig. 4 is the structural representation of the flexible transmission component of the aerial work platform shown in Fig. 1；

Fig. 5 is the partial enlarged drawing of aminoacyl site in Fig. 4；

Fig. 6 is the partial enlarged drawing at B positions in Fig. 4；

Fig. 7 stretches out status architecture schematic diagram for the flexible transmission component shown in Fig. 4；

Fig. 8 is the structural representation of the inside key transmission component of the flexible transmission component shown in Fig. 4, wherein, it is crucial to pass Dynamic component includes the first sprocket wheel, the second sprocket wheel, stretches rope chain bar, returns rope chain bar and telescopic oil cylinder etc.；

Fig. 9 is another status architecture schematic diagram of the inside key transmission component of the flexible transmission component shown in Fig. 4；

Figure 10 is another status architecture schematic diagram of the inside key transmission component of the flexible transmission component shown in Fig. 4；

Figure 11 is the structural representation of the telescopic oil cylinder of the flexible transmission component shown in Fig. 4；

Figure 12 is the partial enlarged drawing at C positions in Figure 11；

Figure 13 is a kind of structural representation of the front end component of another embodiment of aerial work platform in this utility model.

【Specific embodiment】

This utility model is further described with exemplary embodiment below in conjunction with the accompanying drawings, wherein identical in accompanying drawing Label all refers to identical part.Additionally, if it is known that the detailed description of technology is for illustrating feature of the present utility model It is unnecessary, then is omitted.

A kind of structural representation such as Fig. 1～12 of one exemplary embodiments of aerial work platform that this utility model is provided Shown, the aerial work platform includes car body 1, the flexible transmission component 2 being articulated on the car body 1 and by flexible connection The operating board 3 that component 5 is connected with 2 end of flexible transmission component.

It should be noted that the car body 1 include vehicle frame, the drive system on the vehicle frame and with the drivetrain The control chamber that system is electrically connected with, the control chamber is turnablely located at the side of the vehicle frame；The drive system includes driving Mechanism, drive mechanism, wheel set and control system etc., the control chamber are also electrically connected with control system simultaneously；The behaviour Make on platform, to may also set up the relative control apparatus being electrically connected with the control system.

The control system includes master controller (not shown), and the master controller can be by controlling each associated components Flexible and luffing controlling the move mode of the operating board 3 so that height of the operating board 3 relative to the first predeterminated position Degree can keep constant and move in the horizontal direction or the operating board 3 can relative to the horizontal displacement of the second predeterminated position Keep constant and move in vertical direction.Specifically, the master controller includes to be calculated according to associative operation instruction Adjust needed for each associated components to change angle and/or collapsing length calculating processing module, according to it is described calculate process mould The block result of calculation for calculating and the execution circuit module that issues corresponding control instruction and related data is stored for implementation record The memory module of (including height value and horizontal displacement value etc. of operating board 3), each corresponding module can be by chips and/or other are corresponding Electric elements combination be formed by connecting.

The expansion joint assembly 5 includes outer arm 51, be slideably positioned in the outer arm 51 in and can be from the outer arm 51 The inner arm 52 that stretches out of one end and the forearm telescopic oil cylinder 53 between the outer arm 51 and inner arm 52.

It should be noted that the forearm telescopic oil cylinder 53 includes cylinder body (not shown) and is slideably positioned in the cylinder body Piston rod (not shown)；Preferably, the cylinder body is fixed on the outer wall of the outer arm 51, and the external part of the piston rod is solid It is connected on the outer wall of the inner arm 52.

The first leveling cyclinder 55, the flexible connection group are provided between the flexible transmission component 2 and expansion joint assembly 5 The one end being connected with the flexible transmission component 2 on part 5 is hinged with small arm head 54；One end of first leveling cyclinder 55 with stretch Contracting transmission component 2 is hinged, and the other end is hinged with the small arm head 54；The expansion joint assembly 5 also includes forearm amplitude oil cylinder 57, one end and the small arm head 54 of the forearm amplitude oil cylinder 57 are hinged, and the other end is hinged with the outer wall of the outer arm 51, is made Obtain the 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；It is described First leveling cyclinder 55, small arm head 54, forearm amplitude oil cylinder 57 and outer arm 51 constitute a quadric chain.In addition, first adjusts 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, the forearm is made 54, outer arm 51 and flexible transmission component 2 are realized that the bearing pin 512 being hinged is provided with and are easy to and 55 phase of the first leveling cyclinder The angular transducer (not shown) matched somebody with somebody；When using hydraulic leveling mode, the flexible transmission component 2 is provided with and described first The hydro -leveling device that leveling cyclinder 55 is mutually matched；Preferably, first leveling cyclinder 55 is using electric leveling mode.

Wherein, the first leveling cyclinder 55 can be passed through the leveling to small arm head 54 is realized to the push pull maneuver of small arm head 54；Tool Body, a certain angle preset of small arm head 54 is zero-bit by the angular transducer on small arm head 54, in flexible transmission group In the amplitude changing process of part 2, small arm head 54 can be accordingly inclined, now angular transducer meeting with the luffing of flexible transmission component 2 The angle signal of small arm head 54 is delivered to into corresponding controller, controller can send corresponding control instruction after receiving signal, with Control the first leveling cyclinder and stretch the 55 flexible leveling so as to realize small arm head 54, that is, control small arm head 54 and be in default zero all the time Position.In addition, can be by the flexible luffing up and down to realize expansion joint assembly 5 of control forearm amplitude oil cylinder 57.

Further, the 3rd leveling cyclinder 58 is provided between the expansion joint assembly 5 and operating board 3, the described 3rd adjusts One end of flat oil cylinder 58 is hinged with the inner arm 52, and the other end is hinged with the oscillating cylinder 33 being fixed on the operating board 3.

Preferably, the second leveling cyclinder 56 is additionally provided between the small arm head 54 and expansion joint assembly 5, described second adjusts 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 the outer arm 51；Second leveling cyclinder 56 Cavity communicated by oil pipe with the cavity of the 3rd leveling cyclinder 58.

It should be noted that second leveling cyclinder 56 can avoid stretching with the setting of the 3rd leveling cyclinder 58 is connected group 3 run-off the straight of operating board in amplitude changing process of part 5, both may insure in the amplitude changing process of expansion joint assembly 5, the operation Platform 3 remains horizontal attitude, therefore the second leveling cyclinder 56 and the 3rd leveling cyclinder 58 are with two grades of levelling functions (described the One leveling cyclinder 55 and its relevant apparatus realize one-level leveling).Due to cavity and the 3rd leveling of second leveling cyclinder 56 The cavity of oil cylinder 58 is communicated by oil pipe, thus can be reached with flexible matching of the second leveling cyclinder 56 by the 3rd leveling cyclinder 58 To the purpose of leveling, its detailed process is：When 5 luffing upwards of expansion joint assembly, the expansion link in forearm amplitude oil cylinder 57 Stretch out, while the expansion link in the second leveling cyclinder 56 also stretches out, now in the second leveling cyclinder 56 rod chamber hydraulic medium Because pressure is flow in the rod chamber of the 3rd leveling cyclinder 58, then the expansion link of the 3rd leveling cyclinder 58 bounces back, 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 realizes leveling purpose to the pressure balance in 56 related chamber of the second leveling cyclinder；When 5 downward luffing of expansion joint assembly When, and the same principle, simply the kinestate of the flow direction and associated components of hydraulic medium is contrary；Wherein, described second adjust 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 it is default and Prepare.

Accompanying drawing 1～12 is referred to, which discloses the flexible transmission component of aerial work platform of the present utility model jointly One exemplary embodiments.The flexible transmission component 2 includes basic arm 21, two joint arms 22, three joint arms 23, telescopic oil cylinder 24, stretches Rope chain bar 27 and time rope chain bar 28.

Can stretch during two joint arm 22 is socketed on the basic arm 21 and from the basic arm 21 (upside shown in Fig. 7) Go out, during the three joint arms 23 are socketed on two joint arm 22 and can be from the external part of two joint arm 22 (upside shown in Fig. 7) Stretch out.

The telescopic oil cylinder 24 includes the cylinder barrel 241 being fixed in two joint arm 22 and is socketed in the cylinder barrel 241 Expansion link 242, the expansion link 242 have hollow structure 247, the hollow structure 247 and cylinder barrel in the expansion link 242 241 internal cavities are communicated, and oil guide pipe 245, the expansion link 242 are provided with the hollow structure 247 on the expansion link 242 External part (Fig. 9 shown in downside) be fixed on the basic arm 21.Preferably, the external part end face of the expansion link 242 leads to Cross clamp 8 to be fixed on basic arm 21, be provided with the external part of the close expansion link 242 on the cylinder barrel 241 described in being easy to The connecting portion that cylinder barrel 241 is fixed in two joint arm 22, the connecting portion may include pin shaft hole, i.e., insert bearing pin by bearing pin Kong Zhong, realizes cylinder barrel 241 is fixed in two joint arms 22 with this；Certainly, the connecting portion on cylinder barrel 241 can also 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 the telescopic oil cylinder 24, the second sprocket wheel 26 in two joint arm 22, is installed with, Second sprocket wheel 26 is closer to the external part of the cylinder barrel 241 relative to the first sprocket wheel 25；The one of the stretching chain 27 End is fixed on the basic arm 21, and the other end bypasses first sprocket wheel 25 and is fixed in the three joint arms 23, that is, stretch chain Downside of the two ends of bar 27 all in the first sprocket wheel 25 (on the basis of the direction that relevant drawings in Figure of description are put)；It is described The one end for returning rope chain bar 28 is fixed in the three joint arms 23, and the other end bypasses second sprocket wheel 26 and is fixed in the basic arm On 21, that is, upside of the two ends of rope chain bar 28 all in the second sprocket wheel 26 is gone back to (with the side that relevant drawings in Figure of description are put To on the basis of).Preferably, first sprocket wheel 25 on the telescopic oil cylinder 24 in external part which described away from At the oil cylinder head of one end, second sprocket wheel 26 is in two joint arm 22 at the external part of the expansion link 242；It is logical The frame mode is crossed, the first sprocket wheel 25 and the second sprocket wheel 26 the upper and lower (with phase in Figure of description of cylinder barrel 241 can be divided into On the basis of the direction that Radix Aconiti Coreani figure is put) at the position at two ends, it can be ensured that cylinder barrel 241 is relatively smoothly mobile, and then drives dependent part The steady transmission of part and stretching motion；Certainly, first sprocket wheel 25 and the second sprocket wheel 26 also can arrange other correct positions, For example the first sprocket wheel 25 is located at the position on cylinder barrel 241 in the middle part of cylinder barrel, or the second sprocket wheel 26 is leaned in two joint arms 22 At position in the middle part of nearly cylinder barrel 241 etc..

Wherein, as shown in Figure 11～12, the inner chamber of the cylinder barrel 241 of the telescopic oil cylinder 24 is by 242 points of expansion link to have Rod cavity 244 and rodless cavity 243, i.e., the cavity formed by the inner chamber of cylinder barrel 241 position Chong Die with expansion link 242 are rod chamber 244, the inner chamber of cylinder barrel 241 it is not overlap with expansion link 242 and in 242 end upper right side of expansion link (with Figure of description On the basis of the direction that Figure 12 puts) position be rodless cavity 243；The hollow structure 247 of the expansion link 242 passes through interface channel 246 are connected with rod chamber 244；Oil guide pipe 245 in the hollow structure 247 of the expansion link 242 and the hollow structure 247 all has External oil pipe is communicated.

Further, described time rope chain bar 28 with stretch 27 respective terminations of rope chain bar by chain connector 29 it is affixed In the three joint arms 23, and each termination is respectively and fixedly connected with the both sides of the chain connector 29；By the 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 that linkage is acted on.Certainly, stretch rope chain bar 27 with Returning rope chain bar 28 also being fixedly connected by different connection member realizations and three joint arms 23 respectively.

Further, the rope chain bar 27 of stretching is provided with chain detection apparatus；The chain detection apparatus can real-time detection phase The state of chain is closed, when related chain occurs fracture or exceeds default loosening value, which can send alarm signal, come true with this The safety in utilization of the flexible transmission component 2 is protected, and then guarantees the personal safety of operator and other related personnel.Specifically , chain detection apparatus can be located at and stretch one end that rope chain bar 27 is connected with basic arm 21.

Preferably, the basic arm 21, two joint arms 22 and three joint arms 23 are all preferably hollow structure, certainly, described basic Arm 21, two joint arms 22 and three joint arms 23 are not limited to internal for hollow structure, and which is alternatively its that can realize meeting aforementioned condition His structure.

Further, the hollow structure inside of the 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 all in the 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 which is aging, extend its use Life-span, and also maintenance and frequency of maintenance can be reduced, while keeping in repair, safeguarding more convenient, maintenance and maintenance cost are relatively low, separately Outward, can also reduce to a certain extent making related personnel's to touch injured probability by mistake because above-mentioned associated components expose outside.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 part such as rope chain bar 28 and be 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, as 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 It is 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 infusion fluid medium is continued in cylinder barrel 241, two joint arms 22 and three are saved 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 241 shift motion of cylinder barrel relative to the displacement of basic arm 21 2 times of (i.e. displacement of two joint arms 22 relative to basic arm 21), so have and are easy to a certain degree improving flexible stroke.

When 244 oil-feed of rod chamber in cylinder barrel 241 is made by the hollow structure 247 in expansion link 242,241 meeting of cylinder barrel 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, enter with lasting in expansion link 242 Oil, two joint arms 22 can continue to lower end to bounce back with three joint arms 23, until it reaches required retraction degree is fully retracted 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 relative to the displacement of basic arm 21 2 times of 241 shift motion of cylinder barrel (i.e. displacement of two joint arms 22 relative to basic arm 21).

Specifically, comprehensive Fig. 1 and other relevant drawings, the three joint arms 23 are real with operating board 3 by expansion joint assembly 5 Now it is hinged, i.e., three joint arms 23 are hinged with the outer arm 51 on expansion joint assembly 5, the inner arm 52 and operation on expansion joint assembly 5 Platform 3 connects, the expansion joint assembly 5 have be easy to operating board 3 further realize in the horizontal direction it is a certain degree of extension and Retraction；The basic arm 21 is hinged with car body 1 by support arm 4, i.e., basic arm 21 is hinged with support arm 4, support arm 4 and car body Associated components on 1 are flexibly connected (specifically can be flexibly connected with the turntable 101 located at 1 upper end of car body)；In addition, basic arm 21 with Amplitude oil cylinder 6 is provided between support arm 4, its amplitude oil cylinder 6 that can be caused basic arm 21, support arm 4 and be connected with each other with which A stable triangular structure is constituted, and then causes the aerial work platform in operation with higher stability and safety Property.

Meanwhile, the one end in the basic arm 21 near support arm 4 is provided with for monitoring stretching for the flexible transmission component 2 The length angular transducer (not shown) of contracting length and change angle, the length angular transducer are electrically connected with master controller Or communication connection, it is used for driving the center steering body that turntable 101 is rotated thereon to be provided with for monitoring turntable in the car body 1 The angular transducer (not shown) of 101 anglecs of rotation, the angular transducer are electrically connected with master controller or are communicated to connect.

When aerial work platform need to rise arm operation, two joint arms 22 in the flexible transmission component 2 of control are stretched with three joint arms 23 Go out, now, synchronously can stretch out under the drive of three joint arms 23 with the operating board 3 of the connection of flexible transmission component 2, meanwhile, it is also controllable 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, two joint arms 22 and three joint arms when aerial work platform need to receive arm operation, in the flexible transmission component 2 of control 23 retractions, now, synchronously can be bounced back under the drive of three joint arms 23 with the operating board 3 of the connection of flexible transmission component 2, 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.

In addition, when High Altitude Platform enable platform perseverance render meritorious service can when, length angular transducer can be by the operating board 3 now monitored Height value relative to the first predeterminated position (such as ground, 1 bottom of 1 upper surface of car body or car body etc.) and relative to the second default position The horizontal displacement value for putting (such as central axis of 101 centre of gyration body of 1 side of car body or the turntable etc.) is sent to master controller Record storage is carried out, meanwhile, the rotation angle value of turntable 101 also can be sent to master control by the angular transducer on centre of gyration body Device processed carries out record storage, if then promoting the upper lower handle on control chamber (or the relative control apparatus on operating board 3) (moving up and down for control operation platform 3), master controller can calculate support arm 4, flexible transmission component 2 and corresponding luffing The change angle and collapsing length of adjustment needed for the associated components such as oil cylinder, and then issue control support arm 4, flexible transmission component 2 And the associated components such as amplitude oil cylinder do the control instruction of corresponding actions accordingly, so that the operating board 3 is default relative to second The horizontal displacement value of position keeps constant and moves in vertical direction；In the same manner, the operating board 3 is also capable of achieving relative to second The horizontal displacement value of predeterminated position keeps constant and moves in vertical direction；Aforementioned process is without the need for multiple repetitive control adjustment behaviour Make the upper and lower and front and back position of platform, which can be directly realized by and move straight up and down and move forward and backward, and greatly heighten operation portable Property and work efficiency.

Correspondingly, accompanying drawing 13 is referred to, another embodiment of aerial work platform of the present utility model is there is disclosed, should Embodiment with the difference of above-described embodiment is：Support member between the flexible transmission component 2 and expansion joint assembly 5 For amplitude oil cylinder 57, i.e., the one-level leveling associated components in above-described embodiment are substituted with the amplitude oil cylinder 57；3rd leveling Oil cylinder 58 is provided with the angular transducer coordinated with the 3rd leveling cyclinder 58 using electric leveling mode, the oscillating cylinder 33 59, i.e., the hydraulic leveling mode in above-described embodiment in two grades of leveling is substituted with the electric leveling mode.

During work, can be by the flexible come real of the amplitude oil cylinder 57 between the 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 behaviour Make platform and be in horizontality all the time.

Specifically, a certain position of operating board 3 is preset as zero-bit by the angular transducer 59 on oscillating cylinder 33, In 5 amplitude changing process of expansion joint assembly, the angular transducer 59 can transmit the signal of telecommunication to corresponding controller, and controller receives letter Corresponding control instruction can be sent after number, to control the 58 flexible leveling so as to realize operating board of the 3rd leveling cyclinder, i.e. control behaviour Make platform 3 and be in default zero-bit all the time.

Correspondingly, the aerial work platform control method of motion trace in this utility model comprises the steps：

1st, the operating board for obtaining on aerial work platform is relative to the height value of the first predeterminated position and pre- relative to second If the horizontal displacement value of position, and record storage.Wherein, first predeterminated position can be ground, car body upper surface or car body Bottom etc., second predeterminated position can be central axis of vehicle body side or the rotation of rotary table centrosome etc..

It should be noted that the length angular transducer and the angular transducer on centre of gyration body can in real time by monitoring To related data reach master controller.

2nd, respond operational order, calculate according to default calculation adjust needed for each associated components to change angle and/ Or collapsing length, and draw result of calculation.Wherein, each associated components include support arm, flexible transmission component and/or support arm with Amplitude oil cylinder between flexible transmission component etc..Wherein, the default calculation can according to change angle and collapsing length it Between influence each other relation and come each part between impact relation be foundation.

3rd, according to the result of calculation, corresponding control instruction is issued, so that the operating board is relative to the first default position The height value put keep constant and move in the horizontal direction or the operating board relative to the second predeterminated position horizontal displacement Value keeps constant and moves in vertical direction.

It should be noted that control in the step 3 adjust final result be want each associated components variable phase angle angle value and/ Or collapsing length value is consistent with the result of calculation in step 2.

Therefore, this utility model can not only make operating board in the vertical direction movement and front and back position keep it is constant or Only move in the longitudinal direction and height keeps constant, and then improve simple operation and work efficiency, and its have it is larger Working range.

Although having been illustrated with some exemplary embodiments of the present utility model above, those skilled in the art will Understand, in the case of without departing from principle of the present utility model or spirit, these exemplary embodiments can be made a change, this The scope of utility model is limited by claim and its equivalent.

Claims (7)

1. a kind of aerial work platform, it is characterised in that include：Car body, the flexible transmission component being hubbed on the car body and It is articulated with the operating board of the flexible transmission component end；The flexible transmission component is provided with for monitoring the flexible transmission The length angular transducer of the collapsing length and change angle of component, the car body are provided with master controller, the master controller It is arranged so that the operating board keeps constant and move in the horizontal direction or described relative to the height of the first predeterminated position Operating board keeps constant relative to the horizontal displacement of the second predeterminated position and moves in vertical direction；The length angle sensor Device is electrically connected with master controller or is communicated to connect.

2. aerial work platform as claimed in claim 1, it is characterised in that the flexible transmission component passes through support arm and institute Car body connection is stated, between the support arm and flexible transmission component, amplitude oil cylinder is provided with.

3. aerial work platform as claimed in claim 1, it is characterised in that the flexible transmission component is by flexible connection group Part is connected with operating board, is provided with amplitude oil cylinder between the expansion joint assembly and flexible transmission component.

4. the aerial work platform as described in any one of claims 1 to 3, it is characterised in that the flexible transmission component includes Basic arm, be socketed on the basic arm in and can stretch out from the basic arm two joint arms, be socketed in two joint arm And can from the three joint arms, telescopic oil cylinder that the external part of two joint arm stretches out, stretch rope chain bar and return rope chain bar；The flexible oil Cylinder includes cylinder barrel and the expansion link being socketed in the cylinder barrel, and the external part of the expansion link is fixed on the basic arm, institute State cylinder barrel to be fixed in two joint arm；The first sprocket wheel is installed with the telescopic oil cylinder, in two joint arm, is fixedly provided with Two sprocket wheels, second sprocket wheel is relative to stretching out that the first sprocket wheel is closer on the cylinder barrel to be easy to the expansion link to stretch out End；One end of the stretching chain is fixed on the basic arm, and the other end bypasses first sprocket wheel and is fixed in three section On arm；One end of described time rope chain bar is fixed in the three joint arms, and the other end bypasses second sprocket wheel and is fixed in the base On this arm.

5. aerial work platform as claimed in claim 4, it is characterised in that first sprocket wheel is on the telescopic oil cylinder In with the external part away from one end oil cylinder head at, second sprocket wheel is stretched near described in two joint arm At the external part of contracting bar.

6. aerial work platform as claimed in claim 4, it is characterised in that described time rope chain bar with stretch rope chain bar by chain Connector is fixed in the three joint arms, and one end of described time rope chain bar is respectively and fixedly connected with the chain with the one end for stretching rope chain bar The both sides of connector.

7. aerial work platform as claimed in claim 4, it is characterised in that the basic arm, two joint arms and three joint arms it is interior Portion constitutes telescopic cavity, the telescopic oil cylinder, the first sprocket wheel, the second sprocket wheel, stretches rope chain bar and returns rope chain bar all in described flexible In chamber.