CN108249371A - A kind of aerial work platform three-dimensional automatic vibration reduction working bucket - Google Patents
A kind of aerial work platform three-dimensional automatic vibration reduction working bucket Download PDFInfo
- Publication number
- CN108249371A CN108249371A CN201810015747.2A CN201810015747A CN108249371A CN 108249371 A CN108249371 A CN 108249371A CN 201810015747 A CN201810015747 A CN 201810015747A CN 108249371 A CN108249371 A CN 108249371A
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- longeron
- joist
- horizontal axis
- damper
- platform
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a kind of aerial work platform three-dimensional automatic vibration reduction working buckets, including moving platform and silent flatform, moving platform includes manned platform, vertical damper group, four linear bearings, the first horizontal axis, the second horizontal axis, left and right damper group, the first longeron, the second longeron, several the linear guides and front and rear damper group；Silent flatform includes eight Vierendeel girders and four columns, four composition rectangular top frames in eight Vierendeel girders, in addition four composition rectangular bottom surface frames, and rectangular top frame and rectangular bottom surface frame pass through four columns and form a cube frame.The present invention by set one can in vertical, left and right and front-rear direction mutual indepedent, non-interference ground vibration damping, absorbing moving platform, the vibration between manned platform and arm support is effectively inhibited to transmit, reduce the Oscillation Amplitude and vibration velocity of working bucket, the stationarity of working bucket and safety under high-lift operation car state are improved, so as to contribute to the promotion of working efficiency.
Description
Technical field
The present invention relates to a kind of aerial work platform three-dimensional automatic vibration reduction working buckets, belong to technical field of engineering machinery.
Background technology
High-altitude operation vehicle is the special engineering machinery that a kind of carrying individuals, equipment etc. carry out aerial work, is widely used
In fields such as electric power, fire-fighting, municipal administration, gardens, communication, traffic, advertisements.Its working bucket is located at boom system end, directly carries
Personnel and equipment are the important devices that high-altitude operation vehicle function is realized.
After high-altitude operation vehicle arm support reaches certain working depth, rigidity reduces, flexible increase.Machinery is used at this time
Property, the factors such as hydraulic shock and external disturbance arm support generation can be caused to be difficult to the violent oscillatory motion of short time abatement, and pass
Working bucket is passed, the sense of discomfort of operating personnel in working bucket is caused, influences level of operation and efficiency.So vibration damping of working bucket
Design is to improve the important link of high-altitude operation vehicle performance.
The high-lift operation car bucket of the prior art is generally connected by link with arm support levelling gear, wherein link
It is connect with arm support levelling gear by articulated manner, and link is fixedly connected with working bucket.Can keep in this way working bucket with
The relative rotation of arm support, but also working bucket is caused to be vibrated with the vibration of arm support, it shakes caused by working at the same time bucket load change
It is dynamic also easily to pass to arm support.
To inhibit influence of the vibration of arm to working bucket, has patent of invention（CN102992237A）By one group of elastic damping
Original paper is installed between link and working bucket, for buffering working bucket vibration in the front-back direction.But this method is only capable of inhibiting
Vibration in the front-back direction, and upper and lower, left and right directions the vibration easily generated and amplitude is larger can not be acted.It is practical
On, even if the program is reused in a plurality of directions, can also be interfered because what working bucket multiple directions moved, and can not
Play multidirectional vibration damping, vibration suppression function.
Invention content
The object of the present invention is to provide a kind of aerial work platform three-dimensional automatic vibration reduction working buckets, can effectively inhibit work
Vibration between bucket and arm support is transmitted, and improves the stationarity and comfort of working bucket working condition.
A kind of aerial work platform three-dimensional automatic vibration reduction working bucket, working bucket pass through welding or bolt connecting mode and connection
Frame is fixedly connected, and link and the levelling gear of high-altitude operation vehicle arm support end are hinged, and the working bucket includes moving platform and quiet
Platform, and the moving platform is nested in silent flatform, wherein,
The silent flatform includes eight Vierendeel girders and four columns, four composition rectangular top surface frames in eight Vierendeel girders
Frame, in addition four composition rectangular bottom surface frames, the rectangular top frame and rectangular bottom surface frame form one by four columns
A cube frame, the moving platform are nested in inside cube frame；
The moving platform subtracts including manned platform, vertical damper group, four linear bearings, the first horizontal axis, the second horizontal axis, left and right
It shakes device group, the first longeron, the second longeron, several the linear guides and front and rear damper group；The manned platform include the first joist,
Second joist, third joist and the 4th joist, and four joists form beam lattice, are nested in rectangular bottom surface frame, described first
Joist and the second joist are mutually parallel, and third joist and the 4th joist are mutually parallel, and first longeron and the second longeron are symmetrical
It is arranged between the column of cube frame, and vertical with the first joist and the second joist respectively, first horizontal axis and second
Between symmetrically arranged first longeron of horizontal axis and the second longeron, and it is parallel with the first joist and the second joist respectively；Described first
The both ends of horizontal axis and the second horizontal axis are worn there are one linear bearing, and the vertical damper group includes four vertical dampers, and
The lower end of four vertical dampers is respectively fixedly connected with the both ends in the first joist and the second joist, upper end respectively with the first horizontal axis
Linear bearing corresponding on the second horizontal axis is fixedly connected vertically, described four vertical damper axis directions keep vertically to
On；The left and right damper group include four or so dampers, and one end of four or so dampers respectively with the first horizontal axis and
Corresponding linear bearing level is fixedly connected on second horizontal axis, and the other end is separately fixed on the first longeron and the second longeron, and four
The axis direction of a or so damper is consistent with the axis direction of the first horizontal axis and the second horizontal axis, and the front and rear damper group includes
Four front and rear dampers, and one end of four front and rear dampers is respectively and fixedly installed to the both ends of the first longeron and the second longeron,
The other end is respectively and fixedly installed on adjacent column, and the lower section of first longeron and the second longeron is solid along its axis direction
The linear guide there are two fixed, each the linear guide are fixed on the first longeron and the corresponding parallel under(-)chassis of the second longeron
Vierendeel girder on.
Preferably, end and the peace of guide sleeve, first longeron and the second longeron are respectively arranged in the four columns
Front and rear damper mounted in the first longeron and the second longeron both ends is nested in guide sleeve.
Preferably, guardrail or steel wire are equipped with around the cube frame.
Preferably, anti-skidding bed board is installed on the manned platform, as loading floor.
Preferably, the vertical damper is vertical damp type elastic suspension, and each rigidity of vertical damper, row
Journey and damping are equal respectively；The left and right damper is left and right damp type elastic suspension, and each left and right damper stiffness, row
Journey and damping are equal respectively；The front and rear damper is front and rear damp type elastic suspension, and the rigidity of each front and rear damper,
Stroke and damping are equal respectively.
Advantageous effect：A kind of aerial work platform three-dimensional automatic vibration reduction working bucket provided by the invention, is different from existing skill
Art situation can be moved in mutual indepedent, non-interference ground vibration damping, absorbing by setting one in vertical, left and right and front-rear direction
Platform effectively inhibits the vibration between manned platform and arm support to transmit, reduces the Oscillation Amplitude and vibration velocity of working bucket, improves
The stationarity of working bucket and safety under high-lift operation car state, so as to contribute to the promotion of working efficiency, present invention tool
It has the following advantages：
（1）With better simply structure, absorbing vibration suppression function independent on three principal vibration directions is realized；
（2）Vibration is when tending to be steady, rigidity is identical, two-by-two with respect to, the left and right damping spring shock absorber group in pressured state and
The trend that front and rear damping spring shock absorber group restores tension and compression dynamic balance can avoid moving platform deflection；
（3）Moving platform is nested in inside silent flatform, even if defective shock absorber still ensures that moving platform does not depart from silent flatform, is improved
The safety of working bucket.
Description of the drawings
Fig. 1 is the side view of working bucket of the present invention and high-altitude operation vehicle arm support connection status；
Fig. 2 is working bucket of the present invention（Without guardrail and bed board）The 3-D view of embodiment；
Fig. 3 is the moving platform of working bucket of the present invention（Without bed board）3-D view.
In figure：Working bucket 1, link 2, levelling gear 3, moving platform 4, silent flatform 5, Vierendeel girder 6, column 7, the first joist
8-1, the second joist 8-2, third joist 8-3, the 4th joist 8-4, vertical damper 9, linear bearing 10, the first horizontal axis 11-1,
Second horizontal axis 11-2, the first longeron 12-1, the second longeron 12-2, the linear guide 13, front and rear damper 14, left and right damper 15,
Guide sleeve 16.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical solution in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
Technical staff's all other embodiments obtained without making creative work should all belong to the application protection
Range.
A kind of aerial work platform three-dimensional automatic vibration reduction working bucket, working bucket 1 pass through welding or bolt connecting mode and company
It connects frame 2 to be fixedly connected, link 2 and the levelling gear 3 of high-altitude operation vehicle arm support end are hinged, and the working bucket 1 includes dynamic flat
Platform 4 and silent flatform 5, and the moving platform 4 is nested in silent flatform 5, wherein,
The silent flatform 5 includes eight Vierendeel girders 6 and four columns 7, four composition rectangular tops in eight Vierendeel girders 6
Frame, in addition four form rectangular bottom surface frame, and the rectangular top frame and rectangular bottom surface frame are made up of four columns 7
One cube frame, the moving platform 4 are nested in inside cube frame；
The moving platform 4 includes manned platform, vertical damper group, four linear bearings 10, the first horizontal axis 11-1, the second horizontal axis
11-2, left and right damper group, the first longeron 12-1, the second longeron 12-2, several the linear guides 13 and front and rear damper group；It is described
Manned platform includes the first joist 8-1, the second joist 8-2, third joist 8-3 and the 4th joist 8-4, and four joists form beam
Lattice are nested in rectangular bottom surface frame, and the first joist 8-1 and the second joist 8-2 are mutually parallel, third joist 8-3 and
Four joist 8-4 are mutually parallel, the first longeron 12-1 and the second longeron 12-2 be symmetricly set on cube frame column 7 it
Between, and it is vertical with the first joist 8-1 and the second joist 8-2 respectively, the first horizontal axis 11-1 and the second horizontal axis 11-2 are symmetrically set
Between the first longeron 12-1 and the second longeron 12-2 that put, and it is parallel with the first joist 8-1 and the second joist 8-2 respectively；It is described
The both ends of first horizontal axis 11-1 and the second horizontal axis 11-2 are worn there are one linear bearing 10, and the vertical damper group includes four
Vertical damper 9, and the lower end of four vertical dampers 9 be respectively fixedly connected in the first joist 8-1 and the second joist 8-2 two
End, upper end are fixedly connected vertically with corresponding linear bearing 10 on the first horizontal axis 11-1 and the second horizontal axis 11-2 respectively, and described four
A 9 axis direction of vertical damper keeps vertical；The left and right damper group includes four or so dampers 15, and four or so
10 level of linear bearing corresponding on the first horizontal axis 11-1 and the second horizontal axis 11-2 is fixedly connected respectively for one end of damper 15,
The other end is separately fixed on the first longeron 12-1 and the second longeron 12-2, the axis direction and first of four or so dampers 15
The axis direction of horizontal axis 11-1 and the second horizontal axis 11-2 are consistent, and the front and rear damper group includes four front and rear dampers 14, and
One end of four front and rear dampers 14 is respectively and fixedly installed to the both ends of the first longeron 12-1 and the second longeron 12-2, the other end point
It is not fixedly mounted on adjacent column 7, the lower section of the first longeron 12-1 and the second longeron 12-2 are equal along its axis direction
Fixed there are two the linear guides 13, and each the linear guide 13 is fixed on the first longeron 12-1 and the second longeron 12-2 is corresponding
On the Vierendeel girder 6 of parallel under(-)chassis.
Preferably, it is respectively arranged with guide sleeve 16 in the four columns 7, the first longeron 12-1 and the second longeron 12-2's
End and front and rear damper 14 mounted on the first longeron 12-1 and the second longeron 12-2 both ends are nested in guide sleeve 16.
Preferably, guardrail or steel wire are equipped with around the cube frame.
Preferably, anti-skidding bed board is installed on the manned platform, as loading floor.
Preferably, the vertical damper 9 is vertical damp type elastic suspension, and the rigidity of each vertical damper 9,
Stroke and damping are equal respectively；The left and right damper 15 is left and right damp type elastic suspension, and each left and right damper 15
Rigidity, stroke and damping are equal respectively；The front and rear damper 14 is front and rear damp type elastic suspension, and each front and rear vibration damping
Rigidity, stroke and the damping of device 14 are distinguished equal.
As shown in Figure 1, the working bucket 1 of the present invention is fixed together with link 2 by welding or bolt connecting mode, and
Link 2 and the levelling gear 3 of high-altitude operation vehicle arm support end are hinged, so as to fulfill working bucket during luffing range of cantilever support
Horizontality is remained with the movement of levelling gear, ensures that personnel and equipment do not tilt due to luffing moves.
As shown in Fig. 2, silent flatform 5 includes Vierendeel girder 6, column 7 and guardrail（It is not drawn into）, surrounded by Vierendeel girder 6 and column 7
One cube frame structure without top, and base of frame and rear portion are fixed together with link 2；Moving platform 4 is nested in
In the cube frame of silent flatform 5, manned platform is mounted on cube frame bottom by four joists, forms beam lattice, and beam lattice
Upper Pu is by anti-skidding bed board, as the table top for directly carrying personnel and equipment.
As shown in figure 3,4 linear bearings 10 of the present invention form 2 × 2 arrays：Along the arrangement of 1 left and right directions of working bucket
2 row linear bearings are worn together with the first horizontal axis 11-1 and the second horizontal axis 11-2 respectively, are formed and are formed 2 left and right directions shiftings
Dynamic pair；And first horizontal axis 11-1 and the second horizontal axis 11-2 both ends be each attached between the first longeron 12-1 and the second longeron 12-2,
The left and right damper 15 being horizontally mounted, and the axis of left and right damper 15 are each respectively and fixedly provided between linear bearing 10 and adjacent longeron
Direction and horizontal axis（First horizontal axis 11-1 and the second horizontal axis 11-2）Axis direction is consistent.Such a construction ensures manned platforms or so
The degree of freedom in direction, and it is non-interference with the movement of vertical direction so that manned platform has vibration damping independent on left and right directions
Shock sucking function.
It is fixedly connected above manned platform with vertical 9 lower section of damper, so as to hang below vertical damper group；4
Vertical damper 9 is divided into two row in left-right direction, and the vertical damper 9 of each column 2 is connected respectively with 2 linear bearings 10.This
Kind structure ensure that degree of freedom and in this direction independent vibration damping shock sucking function of the manned platform in vertical direction, and using manned
The mode of platform hanging reduces the overall height of moving platform, reduces occupied space as possible.
The lower section of first longeron 12-1 and the second longeron 12-2 are fixed with 2 the linear guides 13 along its axis direction, and
Each 13 lower part of the linear guide is fixed on the Vierendeel girder 6 of silent flatform 5, make longeron can along 1 front-rear direction of working bucket with it is quiet
The Vierendeel girder 6 of platform 5 forms prismatic pair.First longeron 12-1 and the second longeron 12-2 both ends are respectively provided with front and rear damper 14,
And each front and rear 14 other end of damper is fixed on the column 7 of adjacent silent flatform；The front and rear damper 14, which is sleeved on, to be fixed on
In guide sleeve 16 on column 7, the both ends of nesting the first longeron 12-1 and the second longeron 12-2 simultaneously of guide sleeve 16, to ensure the
It is correctly oriented to during sliding before and after one longeron 12-1 and the second longeron 12-2.It is in the front-back direction such a construction ensures manned platform
Degree of freedom, and it is non-interference with the movement of vertical direction, left and right directions so that manned platform has independent on front-rear direction subtract
Shake shock sucking function.
It should be noted that the travelling gap in practical application between moving platform and silent flatform can pass through fabric or cushion
Deng masking, prevent from crushing people or equipment；It needs to be gone along with sb. to guard him with guardrail, steel wire etc. around silent flatform, dragging for moving platform should install on beam
Anti-skidding bed board ensures operating personnel's safety；All dampers that the present invention uses are damp type elastic suspension, are had relatively strong
Absorbing, anti-vibration performance.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use the present invention.
Two kinds of modifications of these embodiments will be apparent for those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
Claims (5)
1. a kind of aerial work platform three-dimensional automatic vibration reduction working bucket, working bucket passes through welding or bolt connecting mode and link
It is fixedly connected, link and the levelling gear of high-altitude operation vehicle arm support end are hinged, which is characterized in that the working bucket includes dynamic
Platform and silent flatform, and the moving platform is nested in silent flatform, wherein,
The silent flatform includes eight Vierendeel girders and four columns, four composition rectangular top surface frames in eight Vierendeel girders
Frame, in addition four composition rectangular bottom surface frames, the rectangular top frame and rectangular bottom surface frame form one by four columns
A cube frame, the moving platform are nested in inside cube frame；
The moving platform subtracts including manned platform, vertical damper group, four linear bearings, the first horizontal axis, the second horizontal axis, left and right
It shakes device group, the first longeron, the second longeron, several the linear guides and front and rear damper group；The manned platform include the first joist,
Second joist, third joist and the 4th joist, and four joists form beam lattice, are nested in rectangular bottom surface frame, described first
Joist and the second joist are mutually parallel, and third joist and the 4th joist are mutually parallel, and first longeron and the second longeron are symmetrical
It is arranged between the column of cube frame, and vertical with the first joist and the second joist respectively, first horizontal axis and second
Between symmetrically arranged first longeron of horizontal axis and the second longeron, and it is parallel with the first joist and the second joist respectively；Described first
The both ends of horizontal axis and the second horizontal axis are worn there are one linear bearing, and the vertical damper group includes four vertical dampers, and
The lower end of four vertical dampers is respectively fixedly connected with the both ends in the first joist and the second joist, upper end respectively with the first horizontal axis
Linear bearing corresponding on the second horizontal axis is fixedly connected vertically, described four vertical damper axis directions keep vertically to
On；The left and right damper group include four or so dampers, and one end of four or so dampers respectively with the first horizontal axis and
Corresponding linear bearing level is fixedly connected on second horizontal axis, and the other end is separately fixed on the first longeron and the second longeron, and four
The axis direction of a or so damper is consistent with the axis direction of the first horizontal axis and the second horizontal axis, and the front and rear damper group includes
Four front and rear dampers, and one end of four front and rear dampers is respectively and fixedly installed to the both ends of the first longeron and the second longeron,
The other end is respectively and fixedly installed on adjacent column, and the lower section of first longeron and the second longeron is solid along its axis direction
The linear guide there are two fixed, each the linear guide are fixed on the first longeron and the corresponding parallel under(-)chassis of the second longeron
Vierendeel girder on.
2. a kind of aerial work platform three-dimensional automatic vibration reduction working bucket according to claim 1, which is characterized in that described four
It is respectively arranged with guide sleeve on root post, the end of first longeron and the second longeron and mounted on the first longeron and the second longeron
The front and rear damper at both ends is nested in guide sleeve.
3. a kind of aerial work platform three-dimensional automatic vibration reduction working bucket according to claim 2, which is characterized in that described vertical
Guardrail or steel wire are equipped with around cube frame.
A kind of 4. aerial work platform three-dimensional automatic vibration reduction working bucket according to claim 3, which is characterized in that the load
Anti-skidding bed board is installed, as loading floor on people's platform.
5. a kind of aerial work platform three-dimensional automatic vibration reduction working bucket according to claim 4, which is characterized in that described perpendicular
Straight damper is vertical damp type elastic suspension, and the rigidity of each vertical damper, stroke and damping are equal respectively；It is described
Left and right damper is left and right damp type elastic suspension, and each left and right damper stiffness, stroke and damping are equal respectively；It is described
Front and rear damper is front and rear damp type elastic suspension, and the rigidity of each front and rear damper, stroke and damping are equal respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810015747.2A CN108249371B (en) | 2018-01-08 | 2018-01-08 | A kind of aerial work platform three-dimensional automatic vibration reduction working bucket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810015747.2A CN108249371B (en) | 2018-01-08 | 2018-01-08 | A kind of aerial work platform three-dimensional automatic vibration reduction working bucket |
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| CN108249371A true CN108249371A (en) | 2018-07-06 |
| CN108249371B CN108249371B (en) | 2019-10-25 |
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| CN205998813U (en) * | 2016-08-25 | 2017-03-08 | 西继迅达（许昌）电梯有限公司 | A kind of new carriage bracket |
| CN105889385B (en) * | 2016-06-14 | 2017-09-12 | 西安交通大学 | A kind of compressed spring type six degree of freedom quasi-zero stiffness vibration isolators and its design method |
| CN107504116A (en) * | 2017-08-28 | 2017-12-22 | 江西中船航海仪器有限公司 | A kind of damper system that can limit three direction amplitudes |
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2018
- 2018-01-08 CN CN201810015747.2A patent/CN108249371B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090063626A (en) * | 2007-12-14 | 2009-06-18 | 우종길 | Apparatus to protect impact for work-bench elevated position |
| CN102992237A (en) * | 2012-12-07 | 2013-03-27 | 长沙中联消防机械有限公司 | Working platform and aerial cage thereof |
| CN203865993U (en) * | 2014-05-14 | 2014-10-08 | 国家电网公司 | Anti-collision structure for working platform of overhead working truck |
| CN105735512A (en) * | 2016-05-03 | 2016-07-06 | 柳州东方工程橡胶制品有限公司 | Vibration reduction control device of tuned mass damper |
| CN105889385B (en) * | 2016-06-14 | 2017-09-12 | 西安交通大学 | A kind of compressed spring type six degree of freedom quasi-zero stiffness vibration isolators and its design method |
| CN106313616A (en) * | 2016-08-15 | 2017-01-11 | 北京新龙立科技有限公司 | Tablet press |
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| Publication number | Publication date |
|---|---|
| CN108249371B (en) | 2019-10-25 |
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