CN108190804A - A kind of safety working method of significantly aerial work platform - Google Patents
A kind of safety working method of significantly aerial work platform Download PDFInfo
- Publication number
- CN108190804A CN108190804A CN201711495455.5A CN201711495455A CN108190804A CN 108190804 A CN108190804 A CN 108190804A CN 201711495455 A CN201711495455 A CN 201711495455A CN 108190804 A CN108190804 A CN 108190804A
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- China
- Prior art keywords
- arm
- basis
- working
- basis arm
- turntable
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Classifications
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- 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
- B66F11/046—Working platforms suspended from booms of the telescoping type
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a kind of safety working method of significantly aerial work platform, the significantly aerial work platform includes：Walking chassis, bogey, basis arm turntable, basis arm, auxiliary support mechanism, working arm turntable, working arm and workbench, the bogey is equipped with telescopic leg, the basis arm is mounted on bogey, the working arm is mounted on the distal upper of basis arm, and the workbench is mounted on the distal end of the working arm；The auxiliary support mechanism includes the connecting rod actuator that two auxiliary legs of two auxiliary legs and driving do expansion and closing motion；The method includes：The plane of rotation of leveling basis arm is horizontality；Basis arm is made to steeve and rotate to front, rear or side；Basis arm is made to extend to predeterminated position；It is zero that basis arm is made, which to fall to the elevation angle of basis arm, and auxiliary leg is made to be compacted with ground；It calculates and judges whether each lateral stability series numerical value reaches the critical value required by safety work.
Description
Technical field
The present invention is to be related to the operational method of aerial work platform, is to be related to a kind of significantly working at height to put down specifically
The safety working method of platform.
Background technology
With the development of whole world building, high buildings and large mansions are rised sheer from level ground, so that the work such as maintenance and cleaning of interior architecture become
It is more and more difficult to obtain.Meanwhile with the fast-developing variation in city, all kinds of danger fire are also more and more, and especially high level is built
The fire built, and in all fire-fighting and rescue work, personnel's rescue is primary always, and to be personnel rob height rescue
Most difficult work in rescuing.Difficult in order to solve above-mentioned operation, aerial work platform comes into being.So-called aerial work platform
It is for the packaged type equipment for people's working at height, can be divided by the arm support form of aerial work platform：Scissor-type high-altitude
Job platform, crank type aerial working platform, straight arm type aerial work platform etc., and scissor aerial work platform therein is only
It can realize straight line working at height, operation amplitude cannot be adjusted, although straight arm type aerial work platform and crank arm type working at height are put down
Platform can significantly be expanded, but in order to ensure height with respect to scissor aerial work platform, operation amplitude by the adjusting of working arm
Empty safety work, operation amplitude can only be adjusted because the stabilizing moment of non-rotating part is insufficient in limited range, and
The insufficient factor of stabilizing moment is influenced other than the quality of non-rotating part, the span for supporting leg of also getting off.That is, even if
The quality of non-rotating part is larger, if supporting leg span is insufficient, stabilizing moment cannot still meet job requirements by a relatively large margin, and prop up
Leg span is limited by existing structure pattern, and it is extremely difficult to obtain sufficiently large span.Therefore, existing structure limit how is broken through
System, enables the safety work that the operation amplitude of aerial work platform increased substantially and can realize significantly aerial work platform to be
This field urgent need to solve the problem.
Invention content
In view of the above-mentioned problems existing in the prior art, the object of the present invention is to provide a kind of significantly aerial work platforms
Safety working method.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of safety working method of significantly aerial work platform, the significantly aerial work platform include：Row
Walk chassis, bogey, basis arm turntable, basis arm, auxiliary support mechanism, working arm turntable, working arm and workbench, institute
Bogey is stated equipped with telescopic leg, the basis arm is mounted on bogey, and the working arm is mounted on basis arm
Distal upper, the workbench are mounted on the distal end of the working arm；The auxiliary support mechanism includes two auxiliary legs
And two auxiliary legs of driving do the connecting rod actuator of expansion and closing motion；The safety of the significantly aerial work platform
Operational method includes the following steps：
S1) plane of rotation of the telescopic leg of leveling bogey to basis arm is horizontality；
S2 basis arm) is made to steeve and rotate to front, rear or side；
S3 basis arm) is made to extend to predeterminated position, and passes through connecting rod actuator and two auxiliary legs is driven to be expanded to maximum
Angle；
S4 it is zero that basis arm) is made, which to fall to the elevation angle of basis arm, and adjust the overhangs of two auxiliary legs to two it is auxiliary
Supporting leg is helped to be compacted with ground；
S5 each lateral stability series numerical value in front, rear, left and right) is calculated, and whether the stability series numerical value for judging to be calculated reaches
To the critical value required by safety work；If not reaching, further extend basis arm or reduce the amplitude of working arm or reduce work
Make the quality of loads of platform, until each lateral stability series numerical value reaches the critical value required by safety work；
S6) working arm is made to work, workbench is sent to working at height position carries out working at height.
A kind of embodiment, the basis arm turntable is connect by basis arm pivoting support with the bogey, described
The proximal hinge of basis arm is on basis arm turntable, under the driving of the basis arm swing mechanism, the basis arm turntable energy
Basis arm is driven to do 360 ° of revolutions around the centre of gyration of the basis arm pivoting support.
A kind of preferred embodiment, the significantly aerial work platform further include basis arm pitching oil cylinder, the basis arm
One end of pitching oil cylinder is hinged on basis arm turntable, the other end is hinged in basis arm, and the basis arm is in the basis arm
Pitching movement can be done under the driving of pitching oil cylinder around the basis arm turntable.
A kind of embodiment, the working arm turntable are mounted on the distal upper of basis arm by working arm pivoting support,
The proximal hinge of the working arm is on working arm turntable, and under the driving of the operating arm slewing mechanism, the working arm turns
Platform can drive working arm to do 360 ° of revolutions around the centre of gyration of the working arm pivoting support.
A kind of preferred embodiment, the significantly aerial work platform further include working arm pitching oil cylinder, the working arm
One end of pitching oil cylinder is hinged on working arm turntable, the other end is hinged on working arm, and the working arm is in the working arm
Pitching movement can be done under the driving of pitching oil cylinder around the working arm turntable.
A kind of embodiment, the connecting rod actuator include connecting rod and hydraulic cylinder, and the both ends of the connecting rod are respectively with one
A auxiliary leg is hinged, and the output terminal of the hydraulic cylinder is hinged at the center of connecting rod；Meanwhile the peace of the hydraulic cylinder
When holding position need to make the hydraulic cylinder in maximum stretching state, two auxiliary legs can be fully deployed, and the connecting rod is just
Benefit is in dead-centre position.
A kind of preferred embodiment, the auxiliary support mechanism further include connector and connector pitching oil cylinder, the connector
Upper end be hinged on the distal lower portion of basis arm, the upper ends of two auxiliary legs be respectively hinged at the both sides of the connector and
It is symmetrically distributed in the both sides of basis arm；One end of the connector pitching oil cylinder is hinged on the distal lower portion of basis arm, the other end
It is hinged on connector, the connector can drive two auxiliary legs around connection under the driving of the connector pitching oil cylinder
Part and the articulated shaft of basis arm rotate.
A kind of preferred embodiment, described two auxiliary legs are hydraulic telescopic type structure, in each auxiliary leg respectively
Long angle transducer for detecting respective expanded angle and spread length is installed and respectively whether is compacted for detecting with ground
Pressure sensor.
A kind of preferred embodiment, the basis arm and working arm are Multi-section retractable arm support, interior respectively to be equipped with hydraulically extensible
Oil cylinder and long angle transducer.
In addition, walking chassis of the present invention include but not limited to automobile chassis, self-propelled frame, caterpillar chassis,
Towed chassis, rubber-tyred self-control chassis etc. are hung, there is the outer actuating unit for power.
Compared to the prior art, advantageous effects of the invention are：
The present invention is using lever principle, by adding basis arm and auxiliary support mechanism, and before passing through calculating and monitoring,
Afterwards, left and right each lateral stability series numerical value, and required by judging whether the stability series numerical value that is calculated reaches safety work
Critical value；The operation amplitude of working arm can not only be made to increase considerably and expand, but also can ensure that the significantly high-altitude is made
The operational security of industry platform has apparent practical value.
Description of the drawings
Fig. 1 is a kind of structure diagram of significantly aerial work platform described in the embodiment of the present invention；
Fig. 2 is the A-A schematic cross-sectional views of Fig. 1；
Fig. 3 is the flow chart of the safety working method of the significantly aerial work platform described in the embodiment of the present invention.
Figure label is schematically as follows：1st, walking chassis；2nd, bogey；21st, H-type hydraulic telescopic type supporting leg；3rd, basis arm
Turntable；4th, basis arm；41st, connector and the articulated shaft of basis arm；42nd, the hydraulically extensible oil of basis arm；43rd, the length of basis arm
Angle transducer；5th, auxiliary support mechanism；51st, connector；52nd, auxiliary leg；521st, long angle transducer；522nd, pressure sensor；
53rd, connecting rod actuator；531st, connecting rod；5311st, connecting rod left end point；5312nd, connecting rod right endpoint；5313rd, the output terminal of hydraulic cylinder
With the hinge joint of connecting rod；532nd, hydraulic cylinder；5321st, the output terminal of hydraulic cylinder；5322nd, the cylinder barrel of hydraulic cylinder；54th, it connects
Part pitching oil cylinder；6th, working arm turntable；7th, working arm；8th, workbench；9th, basis arm pivoting support；10th, basis arm turn-around machine
Structure；11st, basis arm pitching oil cylinder；12nd, working arm pivoting support；13rd, operating arm slewing mechanism；14th, working arm pitching oil cylinder.
Specific embodiment
Technical scheme of the present invention is described in further detail below in conjunction with drawings and examples.
Embodiment
Shown in please referring to Fig.1：A kind of significantly aerial work platform described in the present embodiment, including：Walking chassis 1 is held
It carries and puts 2, basis arm turntable 3, basis arm 4, auxiliary support mechanism 5, working arm turntable 6, working arm 7 and workbench 8, it is described
Bogey 2 is vehicle frame or rack, equipped with H-type hydraulic telescopic type supporting leg 21；The basis arm turntable 3 is mounted on bogey 2
On, on basis arm turntable 3, the working arm turntable 6 is mounted on the distal end of basis arm 4 proximal hinge of the basis arm 4
Portion, the auxiliary support mechanism 5 are hinged on the distal lower portion of basis arm 4, and the proximal hinge of the working arm 7 is in working arm turntable
On 6, the distal end of the working arm 7 is connected with workbench 8.
Incorporated by reference to shown in Fig. 2, in the present embodiment, the auxiliary support mechanism 5 includes：Connector 51, two auxiliary branch
Leg 52, for two auxiliary legs 52 to be driven to do the connecting rod actuator 53 of expansion and closing motion and connector pitching oil cylinder 54,
The upper end of the connector 51 is hinged on the distal lower portion of basis arm 4, and the upper ends of two auxiliary legs 52 is respectively hinged at described
The both sides of connector 51 and the both sides for being symmetrically distributed in basis arm 4, the connecting rod actuator 53 include connecting rod 531 and hydraulic oil
Cylinder 532, the both ends 5311/5312 of the connecting rod 531 are hinged respectively with an auxiliary leg 52, the hydraulic cylinder 532
Output terminal 5321 is hinged on 5313 at the center of connecting rod 531, and the cylinder barrel 5322 of the hydraulic cylinder 532 is fixed on the connector
51 inside；Meanwhile the installation site of the hydraulic cylinder 532 is when so that the hydraulic cylinder 532 is in maximum stretching state
(i.e.：When the output terminal 5321 of the hydraulic cylinder 532 is located at range), two auxiliary legs 52 can be fully deployed, and institute
It states connecting rod 531 and is exactly in dead-centre position (i.e.：The two-end-point 5311,5312 of the connecting rod 531 and the output of hydraulic cylinder 532
End 5321 and the hinge joint 5313 of connecting rod 531 are on same straight line) so that two auxiliary legs 52 are bearing what ground was transmitted
During vertical loads, load can be all shared on connecting rod 531, so as to ensure that hydraulic cylinder 532 does not stress.The connector
One end of pitching oil cylinder 54 is hinged on the distal lower portion of basis arm 4, the other end is hinged on connector 51, so as to make the connection
Part 51 can drive two auxiliary legs 52 around connector 51 and the hinge of basis arm 4 under the driving of the connector pitching oil cylinder 54
Spindle 41 rotates.
Preferably：
Two auxiliary legs 52 are hydraulic telescopic type structure, it is interior be equipped with hydraulically extensible oil (be not shown in figure,
It is known technology)；The long angle for detecting respective expanded angle and spread length is separately installed in each auxiliary leg 52
Sensor 521 and for detecting the respectively pressure sensor 522 that whether is compacted with ground.Described two auxiliary legs 52 can basis
Support the highly desirable of ground stretches, and the bearing of aerial work platform can be adjusted by the movement of connecting rod actuator 53
Span.
In addition, described can significantly aerial work platform further include：
Basis arm pivoting support 9, basis arm swing mechanism 10, basis arm pitching oil cylinder 11, working arm pivoting support 12, work
Make revolution of arm mechanism 13 and working arm pitching oil cylinder 14, the basis arm turntable 3 by the basis arm pivoting support 9 with it is described
Bogey 2 connects, and the basis arm turntable 3 can be around the basic revolution of arm under the driving of the basis arm swing mechanism 10
The centre of gyration of bearing 9 does 360 ° of revolutions；One end of the basis arm pitching oil cylinder 11 is hinged on basis arm turntable 3, is another
End is hinged in basis arm 4, and the basis arm 4 can be around the basis arm turntable under the driving of the basis arm pitching oil cylinder 11
3 do pitching movement；The working arm turntable 6 is connect by the working arm pivoting support 12 with basis arm 4, and the working arm turns
Platform 6 can do 360 ° around the centre of gyration of the working arm pivoting support 12 under the driving of the operating arm slewing mechanism 13 and return
Turn；One end of the working arm pitching oil cylinder 14 is hinged on working arm turntable 6, the other end is hinged on working arm 7, the work
Pitching movement can be done under the driving of the working arm pitching oil cylinder 14 around the working arm turntable 6 by making arm 7.
The basis arm 4 and working arm 7 are Multi-section retractable arm support, and the interior hydraulically extensible oil that is equipped with is (in such as Fig. 1 respectively
And long angle transducer 42) (43 in such as Fig. 1).
In addition, walking chassis 1 of the present invention include but not limited to automobile chassis, self-propelled frame, caterpillar chassis,
Towed chassis, rubber-tyred self-control chassis etc. are hung, there is the outer actuating unit for power, and can be output power to by power takeoff
On hydraulic oil pump, and then hydraulic oil pump drives each hydraulic actuating mechanism (such as each oil cylinder, motor) to work by hydraulic valve
(being not shown in figure, be known technology).
It please refers to shown in Fig. 3：The safety working method of significantly aerial work platform of the present invention, including walking as follows
Suddenly：
S1) plane of rotation of the telescopic leg 21 of leveling bogey 2 to basis arm 4 is horizontality；
S2 basis arm 4) is made to steeve and rotate to front, rear or side；
S3 basis arm 4) is made to extend to predeterminated position, and passes through connecting rod actuator 53 and two auxiliary legs 52 is driven to be expanded to
Maximum angle；
S4 it is zero that basis arm 4) is made, which to fall to the elevation angle of basis arm 4, and adjusts the overhangs of two auxiliary legs 52 to two
A auxiliary leg 52 is compacted with ground；
S5 each lateral stability series numerical value in front, rear, left and right) is calculated, and whether the stability series numerical value for judging to be calculated reaches
To the critical value required by safety work；If not reaching, further extend basis arm or reduce the amplitude of working arm or reduce work
Make the quality of loads of platform, until each lateral stability series numerical value reaches the critical value required by safety work；About each side
To the calculating of the coefficient of stability be known technology, this will not be repeated here；
S6 working arm 7) is made to work, workbench 8 is sent to working at height position carries out working at height.
It is visible in summary：The present invention by adding basis arm and auxiliary support mechanism, and passes through meter using lever principle
Each lateral stability series numerical value is calculated and monitored, the operation amplitude of working arm can not only be made to be increased considerably and expanded, but also
It can ensure the operational security of the significantly aerial work platform, there is apparent practical value.
It is last it is necessarily pointed out that：The foregoing is merely the preferable specific embodiment of the present invention, but the present invention
Protection domain be not limited thereto, any one skilled in the art in the technical scope disclosed by the present invention,
The change or replacement that can be readily occurred in, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of safety working method of significantly aerial work platform, the significantly aerial work platform include：Walking
Chassis, bogey, basis arm turntable, basis arm, auxiliary support mechanism, working arm turntable, working arm and workbench, it is described
Bogey is equipped with telescopic leg, and the basis arm is mounted on bogey, and the working arm is mounted on the remote of basis arm
Top is held, the workbench is mounted on the distal end of the working arm；The auxiliary support mechanism include two auxiliary legs and
Two auxiliary legs of driving do the connecting rod actuator of expansion and closing motion；It is characterized in that, the significantly working at height
The safety working method of platform, includes the following steps：
S1) plane of rotation of the telescopic leg of leveling bogey to basis arm is horizontality；
S2 basis arm) is made to steeve and rotate to front, rear or side；
S3 basis arm) is made to extend to predeterminated position, and passes through connecting rod actuator and two auxiliary legs is driven to be expanded to maximum angle；
S4 it is zero that basis arm) is made, which to fall to the elevation angle of basis arm, and adjusts the overhangs of two auxiliary legs to two auxiliary branch
Leg is compacted with ground；
S5 each lateral stability series numerical value in front, rear, left and right) is calculated, and whether the stability series numerical value for judging to be calculated reaches peace
Critical value required by full operation；If not reaching, further extend basis arm or reduce the amplitude of working arm or reduce work and put down
The quality of loads of platform, until each lateral stability series numerical value reaches the critical value required by safety work；
S6) working arm is made to work, workbench is sent to working at height position carries out working at height.
2. safety working method according to claim 1, it is characterised in that：The basis arm turntable passes through basic revolution of arm
Bearing is connect with the bogey, and the proximal hinge of the basis arm is on basis arm turntable, in the basis arm turn-around machine
Under the driving of structure, the basis arm turntable can drive basis arm to do 360 ° around the centre of gyration of the basis arm pivoting support and return
Turn.
3. safety working method according to claim 1, it is characterised in that：The significantly aerial work platform also wraps
Basis arm pitching oil cylinder is included, one end of the basis arm pitching oil cylinder is hinged on basis arm turntable, the other end is hinged on basis
On arm, the basis arm can do pitching movement under the driving of the basis arm pitching oil cylinder around the basis arm turntable.
4. safety working method according to claim 1, it is characterised in that：The working arm turntable passes through the revolution of arm that works
Bearing is mounted on the distal upper of basis arm, and the proximal hinge of the working arm is on working arm turntable, in the working arm time
Under the driving of rotation mechanism, the working arm turntable can drive working arm to do 360 ° around the centre of gyration of the working arm pivoting support
Revolution.
5. safety working method according to claim 1, it is characterised in that：The significantly aerial work platform also wraps
Working arm pitching oil cylinder is included, one end of the working arm pitching oil cylinder is hinged on working arm turntable, the other end is hinged on work
On arm, the working arm can do pitching movement under the driving of the working arm pitching oil cylinder around the working arm turntable.
6. safety working method according to claim 1, it is characterised in that：The connecting rod actuator includes connecting rod and hydraulic pressure
Oil cylinder, the both ends of the connecting rod are hinged respectively with an auxiliary leg, and the output terminal of the hydraulic cylinder is hinged on connecting rod
At center；Meanwhile the installation site of the hydraulic cylinder be when so that the hydraulic cylinder is in maximum stretching state, two auxiliary
Supporting leg can be fully deployed, and the connecting rod is exactly in dead-centre position.
7. safety working method according to claim 1, it is characterised in that：The auxiliary support mechanism further includes connector
With connector pitching oil cylinder, the upper end of the connector is hinged on the distal lower portion of basis arm, the upper end point of two auxiliary legs
It is not hinged on the both sides of the connector and is symmetrically distributed in the both sides of basis arm；One end hinge of the connector pitching oil cylinder
Be connected on the distal lower portion of basis arm, the other end is hinged on connector, the connector is in the drive of the connector pitching oil cylinder
Two auxiliary legs can be driven to be rotated around connector and the articulated shaft of basis arm under dynamic.
8. safety working method according to claim 1, it is characterised in that：Described two auxiliary legs are hydraulically extensible
Formula structure, be separately installed in each auxiliary leg for detect respective expanded angle and spread length long angle transducer and
For detect respectively whether the pressure sensor being compacted with ground.
9. safety working method according to claim 1, it is characterised in that：The basis arm and working arm are that more piece is stretched
Contracting formula arm support, it is interior respectively to be equipped with hydraulically extensible oil and long angle transducer.
10. safety working method according to claim 1, it is characterised in that：The walking chassis includes but not limited to
Automobile chassis, caterpillar chassis, hangs towed chassis or rubber-tyred self-control chassis at self-propelled frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711495455.5A CN108190804B (en) | 2017-12-31 | 2017-12-31 | Safety operation method of large-amplitude aerial working platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711495455.5A CN108190804B (en) | 2017-12-31 | 2017-12-31 | Safety operation method of large-amplitude aerial working platform |
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| CN108190804A true CN108190804A (en) | 2018-06-22 |
| CN108190804B CN108190804B (en) | 2023-05-26 |
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|---|---|
| CN108190804B (en) | 2023-05-26 |
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