CN106315471A - Aerial operation car pit protection mechanism and aerial operation car - Google Patents
Aerial operation car pit protection mechanism and aerial operation car Download PDFInfo
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- CN106315471A CN106315471A CN201510337271.0A CN201510337271A CN106315471A CN 106315471 A CN106315471 A CN 106315471A CN 201510337271 A CN201510337271 A CN 201510337271A CN 106315471 A CN106315471 A CN 106315471A
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- drive
- connecting rod
- jack
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- altitude operation
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Abstract
The invention discloses an aerial operation car pit protection mechanism and an aerial operation car, relates to the technical field of engineering machinery, and solves the technical problem that a protection plate is difficult to accurately move to a horizontal state and a vertical state in the prior art. The aerial operation car pit protection mechanism comprises a lifting device linkage part, a transmission mechanism and a protection plate; the lifting device linkage part can drive the transmission mechanism to move in the falling process, and the transmission mechanism drives the protection plate to move to the horizontal state for keeping; in the vertical state, the driving device is connected with the transmission mechanism; and when a lifting device of the aerial operation car is ascended, the vertical-state driving device can drive the transmission mechanism to drive the protection plate to move to the vertical state for locking at least in the horizontal direction. The aerial operation car includes the aerial operation car pit protection mechanism. The aerial operation car pit protection mechanism is used for improving the protection plate state switching accuracy and reliability.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of high-altitude operation vehicle pit-hole and protect
Protect mechanism and the high-altitude operation vehicle of this high-altitude operation vehicle pit-hole protection mechanism is set.
Background technology
When aerial work platform (or claim: high-altitude operation vehicle) hoists, pit-hole protection board falls
Being in plumbness makes it relatively near with ground distance, is supported on when high-altitude operation vehicle runs into pit-hole
Car load is avoided to tumble on ground；Otherwise, when work platforms falls, pit-hole protection board liter
Rise, be in level so that it is apart from ground farther out, not by the obstacle that ground is less during traveling
The obstruction of thing.
Fig. 1-Fig. 3 illustrate three kinds of existing high-altitude operation vehicle pit-hole protection mechanisms (or claim:
High-altitude operation vehicle pit-hole protection device), wherein:
High-altitude operation vehicle pit-hole protection mechanism shown in Fig. 1 uses steel wire rope 92 as transmission
Part, when work high above the ground vehicle tyre enters pit-hole, if protection board 93 contacts protection board 93 with ground
During by side force, protection board 93 easily rebounds, and does not has protective effect, and vehicle is easily tumbled,
In addition protection board 93 does not has fixing device easily to vibrate, and therefore this this structure is unreliable.
High-altitude operation vehicle pit-hole protection mechanism shown in Fig. 2 uses oil cylinder relatively costly, structure
More complicated.
High-altitude operation vehicle pit-hole protection mechanism shown in Fig. 3, use connecting rod 94 as driving member,
Due to the existence of air spring 95, it is difficult to ensure that be in vertical when the protection board 93 of said mechanism falls
Straight state, when air spring 95 stroke is less, protection board 93 can not fall completely, is being subject to
Be easily returned to during to side force, when stroke is bigger, protection board 93 rotation can more than 90 degree,
Still it is difficult to ensure card plumbness, and the roller center of the excessive too small last item 91 of stroke and depression bar 96
All it is difficult to ensure that centering, stress is bad, and bias is excessive even there will be stuck phenomenon；Last item 91
And having two driving members between protection board 93, mechanism is more complicated, is easily out of order；Secondly both sides
Pit-hole protection device have two input power sources, different owing to last item 91 to be applied active force
Step, is easily caused protection board 93 and moves inconsistent；
In sum, applicants have discovered that: prior art at least exists techniques below problem:
Existing pit-hole protection mechanism both sides protection board is difficult to holding and is synchronized with the movement, and protection board
Plumbness be difficult to control；Under the effect by side force, protection board easily rebounds, and rises
Less than protective effect；Secondly power source is more, driving member is more, mechanism is more complicated, easily go out event
Barrier.
Summary of the invention
One of them purpose of the present invention be propose a kind of high-altitude operation vehicle pit-hole protection mechanism with
And the high-altitude operation vehicle of this high-altitude operation vehicle pit-hole protection mechanism is set, solve prior art and deposit
The technical problem moved exactly to level Yu plumbness it is difficult at protection board.
It is many that optimal technical scheme in many technical schemes that the present invention provides can be generated by
Technique effect elaboration as detailed below.
For achieving the above object, the invention provides techniques below scheme:
The high-altitude operation vehicle pit-hole protection mechanism that the present invention provides, including jack up unit linkage portion
Part, drive mechanism and protection board, wherein:
Described jack up unit linkage part is connected with the jack up unit of high-altitude operation vehicle, described high-altitude
The jack up unit of Operation Van can drive described jack up unit linkage part to fall when falling；
Described jack up unit linkage part dropping process can move to described drive mechanism phase
Position even, or, described jack up unit linkage part is connected with described drive mechanism；
Described jack up unit linkage part dropping process can drive described drive mechanism motion with
Described protection board is driven to move to level and be maintained at described level by described drive mechanism
State；The maximum planes being on the described protection board of described level is paralleled with horizontal plane；
Described high-altitude operation vehicle pit-hole protection mechanism also includes plumbness driving means, described vertical
Straight state-driven device is connected with described drive mechanism, on the jack up unit of described high-altitude operation vehicle
When rising, described plumbness driving means can drive described drive mechanism with by described driver
Structure drive described protection board move to plumbness and be locked in the most in the horizontal direction described vertically
State；Or, described jack up unit linkage part is connected with described drive mechanism, described high-altitude
When the jack up unit of Operation Van rises, described jack up unit linkage part can drive described driver
Structure is to drive described protection board to move to plumbness and at least along level by described drive mechanism
Direction-locking is in described plumbness；
The maximum planes being on the described protection board of described plumbness is perpendicular with horizontal plane.
The further optimization of the arbitrary technical scheme provided above or hereinafter as the present invention, described
Jack up unit linkage part is detachable with the scissor jib of the jack up unit of described high-altitude operation vehicle
Fix the pressing plate connected, and the connection between described pressing plate and described scissor jib is along vertically side
To the whole connection of varying height positions.
The further optimization of the arbitrary technical scheme provided above or hereinafter as the present invention, described
Drive mechanism includes last item, connecting plate and connecting rod, wherein:
Described jack up unit linkage part dropping process can move to the top with described last item
The position abutted against；
Described last item is slidably connected with the chassis of high-altitude operation vehicle, or, described last item is high with same
The chassis of idle job car is fixed the structural member of connection and is slidably connected；Described last item can be vertically
Slide relative to described chassis；
One end of described connecting plate is rotationally connected with described chassis by rotary shaft, described connecting plate
The wherein other end and described protection board fixing be connected；
Be provided with chute on described connecting plate, wherein one end of described connecting rod be provided with connecting shaft and
Being connected with described slide by described connecting shaft, the wherein other end of described connecting rod is with described
Last item is connected, and described connecting rod part between its two ends is rotationally connected with described chassis；
Described connecting rod can be driven when described last item falls to rotate relative to described chassis, and can pass through
Described connecting shaft on described connecting rod drive described connecting plate turn to make described protection board move to
Described level.
The further optimization of the arbitrary technical scheme provided above or hereinafter as the present invention, described
Plumbness driving means is connected between described chassis and described connecting rod；
Described connecting rod can be executed by described plumbness driving means close to the part of described connecting shaft
Add thrust down or pulling force, or, described connecting rod can be connect by described plumbness driving means
The part of nearly described last item applies thrust upward or pulling force.
The further optimization of the arbitrary technical scheme provided above or hereinafter as the present invention, described
Plumbness driving means is air spring, tension spring or thrust spring.
The further optimization of the arbitrary technical scheme provided above or hereinafter as the present invention, described
Chute includes slide slot section and the lock slots section being connected with described slide slot section, described locking
The distance of groove section and described last item is less than the distance of described slide slot section with described last item；
When described last item rises and releases the connection with described connecting rod, described plumbness drives dress
Put and described connecting rod can be driven to rotate relative to described chassis, and can drive on described connecting rod described
Connecting shaft makes described connecting shaft slip into lock described in described lock slots Duan Bingyu from described slide slot section
Determining the locked position that the inwall of groove section abuts against, described connecting shaft slips into described locked position time institute
Stating protection board can be from described level under the common driving of action of gravity and described connecting shaft
Turn to described plumbness, and described lock slots section can limit described connecting shaft along level side
To degree of freedom.
The further optimization of the arbitrary technical scheme provided above or hereinafter as the present invention, described
Slide slot section is curved groove, and described lock slots section is straight-line groove, and described connecting shaft slips into described lock
When determining groove section, the length direction of described lock slots section is consistent with vertical direction.
The further optimization of the arbitrary technical scheme provided above or hereinafter as the present invention, described
Drive mechanism also includes frid, and described frid is provided with driver slot, described connecting rod the most another
One end is provided with power transmission shaft, and described connecting rod is slided even with described driver slot by described power transmission shaft
Connecing, described last item can drive described frid to move through described driving in the lump when rising or fall
Groove and described power transmission shaft drive described connecting rod to rotate relative to described chassis；
Or, described last item is fixedly connected with drive shaft, the wherein other end of described connecting rod sets
Being equipped with power transmission groove, described connecting rod is slidably connected with described power transmission groove by described drive shaft, described
Last item rise or can drive when falling described drive shaft move through in the lump described drive shaft and
Described power transmission groove drives described connecting rod to rotate relative to described chassis.
The further optimization of the arbitrary technical scheme provided above or hereinafter as the present invention, described
The number of connecting rod, described protection board and described connecting plate is two, and each described protection
Plate is all fixing with a described connecting plate to be connected, and each described connecting plate is all by a described company
Bar is connected with described last item；
On two described connecting rods, respective described power transmission shaft all slides with driver slot described in same
Connect, described last item rise or can drive when falling described frid move through in the lump described in drive
Dynamic groove and described power transmission shaft drive two described connecting rods to turn relative to described hood synchronous simultaneously
Dynamic；Or, two described connecting rod respective power transmission grooves are all slidably connected with described drive shaft, institute
State last item rise or can drive when falling described drive shaft move through in the lump described drive shaft with
And described power transmission groove drives two described connecting rods to rotate relative to described hood synchronous simultaneously.
The further optimization of the arbitrary technical scheme provided above or hereinafter as the present invention, described
Structural member is the mounting seat being provided with installing hole, and the inwall of described installing hole is stepped, and institute
The inwall stating installing hole is provided with lining, and the outer wall of described lining is provided with at least two-stage cascaded surface,
Described cascaded surface is pressed on the inwall of described installing hole, and described last item runs through in described lining
Central hole and vertically sliding in described centre bore.
The high-altitude operation vehicle that the present invention provides includes walking mechanism, jack up unit, chassis and basis
Invent the high-altitude operation vehicle pit-hole protection mechanism that arbitrary technical scheme provides.
Based on technique scheme, the embodiment of the present invention at least can produce following technique effect:
Due to the present invention provide high-altitude operation vehicle pit-hole protection mechanism in, jack up unit linkage portion
Part (preferably pressing plate) can drive protection board to move to level, and protection board moves to water
After level state, the jack up unit of high-altitude operation vehicle is in falling state, now, is in whereabouts shape
Before not hoisting, jack up unit linkage part is applied the jack up unit of the high-altitude operation vehicle of state by it
The power that compresses protection board can be reliably held at level, thus protection board moves to water
Cannot move towards other positions again after level state, so can realize moving protection board exactly
Move to level and be maintained at level, meanwhile, jack up unit linkage part or vertical configuration
State driving means (preferably air spring) can also drive protection board to move to plumbness, and
The most in the horizontal direction protection board is locked in plumbness by drive mechanism, when protection board moves
Can be locked in place the most in the horizontal direction when moving to predetermined plumbness and thus it can be prevented that protection
Plate moves to other positions, and can improve protection board and resist the ability of horizontal side force, by
This ensure that protection board by the most mobile to plumbness, and then can solve prior art existence
Protection board is difficult to the technical problem moved exactly to level Yu plumbness.It addition, by
Level can be reliably held at, so will not send out during walking when protection board is in level
Raw vibration.
The present invention provide many technical schemes in optimal technical scheme at least can produce with
Lower technique effect:
1, can effectively realize work high above the ground by this high-altitude operation vehicle pit-hole protection mechanism to put down
Platform pit-hole defencive function, the level of protection board is all easily controlled with plumbness, and row
Will not vibrate when walking.
2, the protection board of this high-altitude operation vehicle pit-hole protection mechanism is on the ground by lateral masterpiece
Used time, will not deflect, it is possible to effectively prevent Operation Van from tumbling.
3, the both sides protection board of this high-altitude operation vehicle pit-hole protection mechanism uses same power source,
Two final drive gears are about centrosymmetry, it is possible to realize being synchronized with the movement of both sides protection board.
4, this high-altitude operation vehicle pit-hole protection mechanism is few compared with other mechanism driving parts, simple in construction,
Safe and reliable, low cost, it is easy to accomplish.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the application
A part, the schematic description and description of the present invention is used for explaining the present invention, not structure
Become inappropriate limitation of the present invention.In the accompanying drawings:
The signal of the Fig. 1 a kind of high-altitude operation vehicle pit-hole protection mechanism for providing in prior art
Figure；
The signal of the Fig. 2 another kind of high-altitude operation vehicle pit-hole protection mechanism for providing in prior art
Figure；
The signal of the Fig. 3 another high-altitude operation vehicle pit-hole protection mechanism for providing in prior art
Figure；
The protection board of the high-altitude operation vehicle that Fig. 4 is provided by embodiment of the present invention preferred implementation
It is in schematic diagram during plumbness；
The high-altitude operation vehicle pit-hole protection that Fig. 5 is provided by embodiment of the present invention preferred implementation
Protection board schematic diagram when plumbness is changed to level in mechanism；
Fig. 6 is the enlarged diagram of structure at protection board in Fig. 5；
Fig. 7 is the schematic diagram of connecting plate in high-altitude operation vehicle pit-hole protection mechanism shown in Fig. 5；
Fig. 8 is that in high-altitude operation vehicle pit-hole protection mechanism shown in Fig. 5, the connection of last item and frid is closed
The schematic diagram of system；
Fig. 9 is the relative position of two connecting rods in high-altitude operation vehicle pit-hole protection mechanism shown in Fig. 5
The schematic diagram of relation；
The high-altitude operation vehicle pit-hole that Figure 10 is provided by another embodiment of the embodiment of the present invention is protected
Protect protection board schematic diagram when plumbness is changed to level in mechanism；
Figure 11 is in high-altitude operation vehicle pit-hole protection mechanism shown in Figure 10 between last item and drive shaft
The schematic diagram of annexation；
Reference: 1, tire；100, car load symmetrical center line；101, lock slots Duan Yuan
Arc central track trace；102, connecting shaft trajectory；2, pit-hole protection mechanism；201, protection board；
202, connecting plate；203, plumbness driving means；204, connecting rod；205, frid；206、
Last item；207, mounting seat；208, nut；209, drive shaft；211, rotary shaft；221、
Connecting shaft；231, power transmission shaft；3, jack up unit linkage part；4, jack up unit；5, the end
Dish；501, back shroud；6, chute；61, slide slot section；62, lock slots section；7, drive
Dynamic groove；8, power transmission groove；91, last item；92, steel wire rope；93, protection board；94, connecting rod；
95, air spring；96, depression bar；104, rotation center hold；105, rotation center hold；106、
Air spring installing hole；107, bolt mounting holes.
Detailed description of the invention
It is referred to accompanying drawing Fig. 1～Figure 10 below and word content understands present disclosure
And the distinctive points between the present invention and prior art.Hereafter by accompanying drawing and enumerate the present invention
The mode of some alternative embodiments, to technical scheme (including optimal technical scheme)
It is described in further detail.It should be understood that any technical characteristic in the present embodiment,
Any technical scheme be all the one in the technical characteristic of plurality of optional or optional technical scheme or
Several, in order to describe succinct need in presents cannot the exhaustive present invention all alternatively
Technical characteristic and alternative technical scheme, be also not easy to the embodiment of each technical characteristic
All emphasize that it is one of optional numerous embodiments, so those skilled in the art should know:
Any two arbitrary technological means that the present invention provides can being replaced or the present invention being provided
Individual or more technological means or technical characteristic are combined mutually and obtain new technical scheme.
Any technical characteristic in the present embodiment and any technical scheme are all not intended to the protection of the present invention
Scope, protection scope of the present invention should include that those skilled in the art do not pay creative work
Thinkable any alternate embodiments and those skilled in the art appointing that the present invention is provided
The new technology that two or more technological means of anticipating or technical characteristic are combined mutually and obtain
Scheme.
Embodiments provide a kind of level at protection board to be easy to plumbness
The high-altitude operation vehicle pit-hole protection mechanism of vibration will not occur and this height is set when ensureing and walk
The high-altitude operation vehicle of idle job car pit-hole protection mechanism.
The technical scheme provided the present invention below in conjunction with Fig. 4～Figure 10 is carried out in more detail
Illustrate.
As shown in Fig. 4～Figure 10, the high-altitude operation vehicle pit-hole protection that the embodiment of the present invention is provided
Mechanism, including jack up unit linkage part (preferably pressing plate) 3, drive mechanism and protection board
201, wherein: jack up unit linkage part 3 is connected with the jack up unit 4 of high-altitude operation vehicle, high
Jack up unit linkage part 3 can be driven when the jack up unit 4 of idle job car falls to fall；
Jack up unit linkage part 3 dropping process can move to the position being connected with drive mechanism
Put, or, jack up unit linkage part 3 is connected with drive mechanism；
Jack up unit linkage part 3 dropping process can move to pass through transmission by drive transmission device
Mechanism drives protection board 201 move to level and be maintained at level；It is in horizontal
Maximum planes on the protection board 201 of state is paralleled with horizontal plane；
High-altitude operation vehicle pit-hole protection mechanism also includes plumbness driving means 203 (preferably
Air spring), plumbness driving means 203 is connected with drive mechanism, rising of high-altitude operation vehicle
When liter device 4 rises, plumbness driving means 203 energy drive transmission device is to pass through transmission
Mechanism drives protection board 201 move to plumbness and be locked in vertical configuration the most in the horizontal direction
State；Or, jack up unit linkage part 3 is connected with drive mechanism, hoisting of high-altitude operation vehicle
When device 4 rises, jack up unit linkage part 3 energy drive transmission device is to pass through drive mechanism
Protection board 201 is driven to move to plumbness and be locked in plumbness the most in the horizontal direction；
The maximum planes being on the protection board 201 of plumbness is perpendicular with horizontal plane.
Due to the present invention provide high-altitude operation vehicle pit-hole protection mechanism in, jack up unit linkage portion
Part 3 can drive protection board 201 to move to level, and protection board 201 moves to horizontal
After state, the jack up unit 4 of high-altitude operation vehicle is in falling state, now, is in falling state
The jack up unit 4 of high-altitude operation vehicle before not hoisting, jack up unit linkage part 3 is executed by it
Protection board 201 can be reliably held at level by the power that compresses added, thus protection board 201
Move and cannot move towards other positions again after level, so can realize protection board
201 move to level exactly and are maintained at level, and meanwhile, jack up unit links
Parts 3 or plumbness driving means 203 can also drive protection board 201 to move to vertical configuration
State, and the most in the horizontal direction protection board 201 is locked in plumbness by drive mechanism,
Can be locked in place the most in the horizontal direction when protection board 201 moves to predetermined plumbness by
This is possible to prevent it to move to other positions, and can improve its energy resisting horizontal side force
Power, thus ensure that protection board 201 can be by the most mobile to plumbness, further, since protect
Backplate 201 can be reliably held at level when level, so will not send out during walking
Raw vibration.
As the optional embodiment of the arbitrary technical scheme of the present invention, jack up unit linkage part 3
The pressing plate being connected fixed by scissor jib for the jack up unit 4 with high-altitude operation vehicle.Said structure
The kinetic energy being possible not only to make full use of the jack up unit 4 of high-altitude operation vehicle realizes high-altitude operation vehicle
The driving of pit-hole protection mechanism and control, but also high-altitude operation vehicle pit-hole protection machine can be realized
Structure and the linkage of the jack up unit 4 of high-altitude operation vehicle, improve the switching of protection board 201 state
Speed.
As the optional embodiment of the arbitrary technical scheme of the present invention, drive mechanism includes last item
206, connecting plate 202 and connecting rod 204, wherein: jack up unit linkage part 3 dropping process
The mobile position abutted against to the top with last item 206 of middle energy.
Last item 206 is slidably connected with the chassis 5 of high-altitude operation vehicle, or, last item 206 is with same
The fixing structural member (preferably mounting seat 207) connected in chassis 5 of high-altitude operation vehicle slides even
Connect；Last item 206 can vertically slide relative to chassis 5；One end of connecting plate 202 leads to
Cross rotary shaft 211 to be rotationally connected with chassis 5, the wherein other end of connecting plate 202 and protection board
201 fixing connections；
Being provided with chute 6 on connecting plate 202, wherein one end of connecting rod 204 is provided with connecting shaft
221 and be slidably connected with chute 6 by connecting shaft 221, the wherein other end of connecting rod 204 and
Last item 206 is connected, and the connecting rod 204 part between its two ends is rotationally connected with chassis 5；
Can rotate relative to chassis 5 by drivening rod 204 when last item 206 falls, and can be by even
Connecting shaft 221 on bar 204 drives connecting plate 202 to turn to make protection board 201 move to water
Level state.
The gravity that said structure takes full advantage of when jack up unit 4 falls achieves last item 206
And the driving of whole drive mechanism, not only save the energy, and have and be easy to connect, and pass
Dynamic reliable advantage.
As the optional embodiment of the arbitrary technical scheme of the present invention, plumbness driving means
203 are connected between chassis 5 and connecting rod 204；
Connecting rod 204 can be applied by plumbness driving means 203 close to the part of connecting shaft 221
Thrust down or pulling force, or, plumbness driving means 203 can be close to connecting rod 204
The part of last item 206 applies thrust upward or pulling force.
Thrust or pulling force that connecting rod 204 is applied by plumbness driving means 203 may insure that even
Connecting shaft 221 on bar 204 can slip into the end of chute 6 in chute 6 and (preferably lock
Groove section 62) to realize driving to upright position accurately connecting plate 202 and protection board 201,
And realize connecting plate 202 and the positive lock of protection board 201 position in upright position.
As the optional embodiment of the arbitrary technical scheme of the present invention, plumbness driving means
203 is air spring, tension spring or thrust spring, preferably air spring.Above-mentioned spring has
It is easy to connect, assemble, with low cost, the advantage of good reliability.
As the optional embodiment of the arbitrary technical scheme of the present invention, chute 6 includes slide slot section
61 and the lock slots section 62 that is connected with slide slot section 61, lock slots section 62 and last item 206
Distance less than the distance of slide slot section 61 with last item 206；Last item 206 rises and releases and connect
During the connection of bar 204, plumbness driving means energy drivening rod 204 is relative to 5 turns of chassis
Move, and the connecting shaft 221 on energy drivening rod 204 makes connecting shaft 221 from slide slot section 61
Slip into lock slots section 62 and locked position that the inwall with lock slots section 62 abuts against, connecting shaft
221 protection boards 201 when slipping into locked position drive jointly action of gravity and connecting shaft 221
Plumbness can be turned to from level under Dong, and lock slots section 62 can limit connecting shaft
221 degree of freedom in the horizontal direction.
Said structure lock slots section 62 can limit connecting shaft 221 degree of freedom in the horizontal direction,
Thus improve protection board 201 and resist side force (A that the direction of this power sees in figure to or B to)
Ability.
Protection board 201 is further explained by rotating under lateral forces:
As shown in Figure 4, under this state, protection board is M point, i.e. connecting shaft 221 with the intersection point of connecting rod
Center be M point.
If protection board 201 is 101 by the side force in A direction, the M locus of points on protection board,
On connecting rod, the track of M point is 102, then protection board has around rotation under the effect of A direction force
Axle 211 occurs to the trend turned inside out, then connecting rod M point can be stuck in the chute of connecting plate 202
Bottom, bottom chute is in vertical state so that the trend that connecting rod rotates inside having, but
Owing to connecting rod has been positioned at the extreme position of chute under the thrust of air spring, M point is two
Unique intersection point of person's track, therefore protection board will not overturn under the effect of power at A；
If protection board 201 is by the side force in B direction, then protection board is at the work of B direction force
Have the trend flipped to the outside around rotary shaft 211 under with, then on connecting rod, M point has edge
The trend that trajectory 102 rotates up, but if as described above power source by pressing plate 3 from
Last item 206 end transmits, and connecting rod M point rotates up along trajectory 102, by connecting shaft 221
In connecting plate 202 chute, slip can make protection board 201 invert to inner side, therefore protection board
Will not rotate up along trajectory 102 to the effect lower link of power at B and move, and can hinder
Protection board is hindered to flip to the outside.
As the optional embodiment of the arbitrary technical scheme of the present invention, slide slot section 61 is curve
Groove, lock slots section 62 is straight-line groove, when connecting shaft 221 slips into lock slots section 62, lock slots
The length direction of section 62 is consistent with vertical direction.The chute 6 of this shape has simple in construction,
It is easy to processing, manufactures, and the advantage that connecting shaft 221 resistance to sliding on connecting rod 204 is little.
As the optional embodiment of the arbitrary technical scheme of the present invention, drive mechanism also includes frid
205, frid 205 is provided with driver slot 7, the wherein other end of connecting rod 204 is provided with transmission
Axle 231, and connecting rod 204 is slidably connected with driver slot 7 by power transmission shaft 231, last item 206
Frid 205 can be driven to move through driver slot 7 and power transmission shaft in the lump when rising or fall
231 drivening rods 204 rotate relative to chassis 5.
The drive mechanism that said structure driver slot 7 is formed with power transmission shaft 231 is difficult to locked, runs
During power loss few, additionally there is compact conformation, advantage convenient for assembly.
As the optional embodiment of the arbitrary technical scheme of the present invention, connecting rod 204, protection board 201
And the number of connecting plate 202 is two, and each protection board 201 all with a connecting plate
202 fixing connections, each connecting plate 202 is all connected with last item 206 by a connecting rod 204；
On two connecting rods 204, respective power transmission shaft 231 is all slidably connected with same driver slot 7,
Can drive when last item 206 rises or falls frid 205 move through in the lump driver slot 7 and
Power transmission shaft 231 drives two connecting rods 204 relative to chassis 5 synchronous axial system simultaneously；
One connecting plate 202 and connected connecting rod 204 can form a driver
Structure, said structure can also realize utilizing the same power source to synchronize the drive mechanism of both sides
Drive, and then realize being synchronized with the movement of both sides protection board 201.
As shown in figs. 10-11, as a kind of replacement scheme of above-mentioned embodiment, the present invention
Can be fixedly connected with drive shaft 29 on last item 206, the wherein other end of connecting rod 204 is provided with
Power transmission groove, connecting rod 204 is slidably connected with power transmission groove by drive shaft 29, last item 206 rise or
Drive shaft 29 can be driven when falling to move through drive shaft 29 in the lump and power transmission groove drives even
Bar 204 rotates relative to chassis 5.Two connecting rod 204 respective power transmission grooves all with drive shaft 29
It is slidably connected, drive shaft 29 can be driven when last item 206 rises or falls to move through in the lump and drive
Moving axis 29 and power transmission groove drive two connecting rods 204 relative to chassis 5 synchronous axial system simultaneously.
It is same that said structure can also realize utilizing the same power source to carry out the drive mechanism of both sides
The effect that step drives.
As the optional embodiment of the arbitrary technical scheme of the present invention, structural member is for being provided with installation
The mounting seat 207 in hole, the inwall of installing hole is stepped, and the inwall of installing hole is provided with lining
Set, the outer wall of lining is provided with at least two-stage cascaded surface, and described cascaded surface is pressed on described installation
On the inwall in hole, the centre bore of last item 206 penetration liner and can be along vertically in described centre bore
Slide in direction.
In said structure, last item 206 is played protection and guide effect by lining.Stair-stepping installation
The inwall in hole matches with the cascaded surface of lining, and lining can be avoided under gravity from installation
Drop in hole.
The embodiment of the present invention provide high-altitude operation vehicle, including walking mechanism, jack up unit 4,
The high-altitude operation vehicle pit-hole protection mechanism that chassis 5 and the arbitrary technical scheme of the present invention provide.
High-altitude operation vehicle suitably apply high-altitude operation vehicle pit-hole protection mechanism that the present invention provides with
Improve efficiency and the positional precision of the switching of its protection board 201 state.
The preferred of explanation preferred embodiment for the present invention offer is concentrated below in conjunction with accompanying drawing 4～Fig. 9
Technical scheme:
The high-altitude operation vehicle that the present invention provides includes tire 1, high-altitude operation vehicle pit-hole protection mechanism
(can be referred to as: pit-hole protection mechanism) 2, pressing plate 3, jack up unit 4, chassis 5, its
In: tire 1 is for supporting the walking of car load, and rear end also has two tires (Fig. 1 is not drawn into),
Pit-hole protection mechanism 2 is connected with chassis 5, and pressing plate 3 is fastenedly connected with jack up unit 4, when rising
When liter device 4 rises or falls relative to chassis 5, pressing plate 3 and the pressure of pit-hole protection mechanism 2
Axle 206 separates or contacts, and makes pit-hole protection mechanism 2 produce motion.
Frid 205 and last item 206 constitute the hold-down devices of pit-hole protection mechanism.Frid 205
It is fastened by bolts part with last item 206 to be fastenedly connected.Pressing plate 3 is fastenedly connected with jack up unit 4,
Pressing plate 3 is slotted hole, adjustable relative to position with jack up unit, when jack up unit falls completely,
When i.e. pressing plate 3 drops to lowermost end, if gripper shoe 201 is not in level, can adjust
Joint relative position between the two so that it is meet functional requirement.
When jack up unit 4 declines, when i.e. pressing plate 3 applies down force to last item 206,
Power transmission shaft 231 slides in the chute of frid 205, drives left connecting rod 204 to rotate clockwise,
Right connecting rod 204 rotates counterclockwise；Connecting rod is by the connection of connecting shaft 221 with pit-hole protection mechanism
Plate 202 connects, when link rotatable, and the connecting shaft 221 bending chute on connecting plate 202
Middle slip, thus gripper shoe 201 overturns so that it is away from ground, as it is shown on figure 3, pit-hole is protected
Backplate is in level.
In pit-hole protection mechanism, when jack up unit 4 hoists, i.e. pressing plate 3 and last item 206
By touching in separation process, the effect bottom left connecting rod at air spring rotates counterclockwise, right connecting rod
Turning clockwise, connecting shaft 221 is moved in connecting plate 202 chute, promotes gripper shoe 201
Rotate and keep plumbness, as in figure 2 it is shown, be close to ground, when tire runs into pit-hole,
Gripper shoe 201 supports on the ground, it is possible to effectively prevent aerial work platform from tumbling.
Rotary shaft 211, connecting shaft 221 and power transmission shaft 231 three all can use pin.
Arbitrary technical scheme disclosed in the invention described above unless otherwise stated, if it discloses
Numerical range, then disclosed numerical range is preferred numerical range, any this area
Skilled artisans appreciated that: preferably numerical range is only technology in many enforceable numerical value
The numerical value that effectiveness comparison is obvious or representative.Owing to numerical value is more, it is impossible to exhaustive, so
The present invention just open component values to illustrate technical scheme, and, above-mentioned row
The numerical value lifted should not constitute the restriction to the invention protection domain.
If being used herein the word such as " first ", " second " to if limiting parts,
Those skilled in the art should know: " first ", the use of " second " are only used to just
Distinguishing parts on describing such as does not has outside Stated otherwise, and above-mentioned word is the most special
Implication.
Meanwhile, if the invention described above discloses or relate to parts or the knot of connection fastened to each other
Component, then, unless otherwise stated, fixing connection is it is to be understood that can releasably fix
Connect (such as using bolt or screw to connect), it is understood that for: non-removable fixing
Connecting (such as rivet, weld), certainly, connection fastened to each other can also be integral type structure
(such as use casting technique is integrally formed manufacture) is replaced (substantially cannot be used integrally
Except forming technology).
It addition, being used for applied in arbitrary technical scheme disclosed in the invention described above represents position
The term of relation or shape its implication unless otherwise stated includes approximating with it, similar or close
State or shape.The either component that the present invention provides both can be by multiple single ingredients
Assemble, it is also possible to the separate part that the technique that is one of the forming manufactures.
If employ in describing the invention term " " center ", " longitudinally ", " laterally ",
"front", "rear", "left", "right", " vertically ", " level ", " top ",
" end ", " interior ", " outward " etc., then orientation or the position relationship of the instruction of above-mentioned term are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplification is retouched
State rather than indicate or imply that the high-altitude operation vehicle pit-hole protection mechanism of indication or element must have
There is specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the present invention
The restriction of protection domain.
Finally should be noted that: above example only in order to technical scheme to be described and
Non-to its restriction；Although the present invention being described in detail with reference to preferred embodiment, affiliated
The those of ordinary skill in field is it is understood that still can enter the detailed description of the invention of the present invention
Row is revised or portion of techniques feature is carried out equivalent；Without deviating from technical solution of the present invention
Spirit, it all should be contained in the middle of the technical scheme scope that the present invention is claimed.
Claims (11)
1. a high-altitude operation vehicle pit-hole protection mechanism, it is characterised in that include jack up unit
Linkage part, drive mechanism and protection board, wherein:
Described jack up unit linkage part is connected with the jack up unit of high-altitude operation vehicle, described high-altitude
The jack up unit of Operation Van can drive described jack up unit linkage part to fall when falling；
Described jack up unit linkage part dropping process can move to described drive mechanism phase
Position even, or, described jack up unit linkage part is connected with described drive mechanism；
Described jack up unit linkage part dropping process can drive described drive mechanism motion with
Described protection board is driven to move to level and be maintained at described level by described drive mechanism
State；The maximum planes being on the described protection board of described level is paralleled with horizontal plane；
Described high-altitude operation vehicle pit-hole protection mechanism also includes plumbness driving means, described vertical
Straight state-driven device is connected with described drive mechanism, on the jack up unit of described high-altitude operation vehicle
When rising, described plumbness driving means can drive described drive mechanism with by described driver
Structure drive described protection board move to plumbness and be locked in the most in the horizontal direction described vertically
State；Or, described jack up unit linkage part is connected with described drive mechanism, described high-altitude
When the jack up unit of Operation Van rises, described jack up unit linkage part can drive described driver
Structure is to drive described protection board to move to plumbness and at least along level by described drive mechanism
Direction-locking is in described plumbness；
The maximum planes being on the described protection board of described plumbness is perpendicular with horizontal plane.
High-altitude operation vehicle pit-hole protection mechanism the most according to claim 1, its feature exists
In, described jack up unit linkage part is the scissor arm of the jack up unit with described high-altitude operation vehicle
The connection that frame is detachably fixed between the pressing plate of connection, and described pressing plate and described scissor jib is
The vertically whole connection of varying height positions.
High-altitude operation vehicle pit-hole protection mechanism the most according to claim 1, its feature exists
In, described drive mechanism includes last item, connecting plate and connecting rod, wherein:
Described jack up unit linkage part dropping process can move to the top with described last item
The position abutted against；
Described last item is slidably connected with the chassis of high-altitude operation vehicle, or, described last item is high with same
The chassis of idle job car is fixed the structural member of connection and is slidably connected；Described last item can be vertically
Slide relative to described chassis；
One end of described connecting plate is rotationally connected with described chassis by rotary shaft, described connecting plate
The wherein other end and described protection board fixing be connected；
Be provided with chute on described connecting plate, wherein one end of described connecting rod be provided with connecting shaft and
Being connected with described slide by described connecting shaft, the wherein other end of described connecting rod is with described
Last item is connected, and described connecting rod part between its two ends is rotationally connected with described chassis；
Described connecting rod can be driven when described last item falls to rotate relative to described chassis, and can pass through
Described connecting shaft on described connecting rod drive described connecting plate turn to make described protection board move to
Described level.
High-altitude operation vehicle pit-hole protection mechanism the most according to claim 3, its feature exists
In, described plumbness driving means is connected between described chassis and described connecting rod；
Described connecting rod can be executed by described plumbness driving means close to the part of described connecting shaft
Add thrust down or pulling force, or, described connecting rod can be connect by described plumbness driving means
The part of nearly described last item applies thrust upward or pulling force.
High-altitude operation vehicle pit-hole protection mechanism the most according to claim 4, its feature exists
In, described plumbness driving means is air spring, tension spring or thrust spring.
High-altitude operation vehicle pit-hole protection mechanism the most according to claim 3, its feature exists
In, described chute includes slide slot section and the lock slots section being connected with described slide slot section,
The distance of described lock slots section and described last item less than described slide slot section and described last item away from
From；
When described last item rises and releases the connection with described connecting rod, described plumbness drives dress
Put and described connecting rod can be driven to rotate relative to described chassis, and can drive on described connecting rod described
Connecting shaft makes described connecting shaft slip into lock described in described lock slots Duan Bingyu from described slide slot section
Determining the locked position that the inwall of groove section abuts against, described connecting shaft slips into described locked position time institute
Stating protection board can be from described level under the common driving of action of gravity and described connecting shaft
Turn to described plumbness, and described lock slots section can limit described connecting shaft along level side
To degree of freedom.
High-altitude operation vehicle pit-hole protection mechanism the most according to claim 6, its feature exists
In, described slide slot section is curved groove, and described lock slots section is straight-line groove, and described connecting shaft is sliding
When entering described lock slots section, the length direction of described lock slots section is consistent with vertical direction.
High-altitude operation vehicle pit-hole protection mechanism the most according to claim 3, its feature exists
In, described drive mechanism also includes frid, and described frid is provided with driver slot, described connecting rod
The wherein other end be provided with power transmission shaft, and described connecting rod is by described power transmission shaft and described driving
Groove is slidably connected, and described last item can drive described frid to move through in the lump when rising or fall
Described driver slot and described power transmission shaft drive described connecting rod to rotate relative to described chassis；
Or, described last item is fixedly connected with drive shaft, the wherein other end of described connecting rod sets
Being equipped with power transmission groove, described connecting rod is slidably connected with described power transmission groove by described drive shaft, described
Last item rise or can drive when falling described drive shaft move through in the lump described drive shaft and
Described power transmission groove drives described connecting rod to rotate relative to described chassis.
High-altitude operation vehicle pit-hole protection mechanism the most according to claim 8, its feature exists
In, the number of described connecting rod, described protection board and described connecting plate is two, and each
Described protection board is all fixing with a described connecting plate to be connected, and each described connecting plate is all by one
Individual described connecting rod is connected with described last item；
On two described connecting rods, respective described power transmission shaft all slides with driver slot described in same
Connect, described last item rise or can drive when falling described frid move through in the lump described in drive
Dynamic groove and described power transmission shaft drive two described connecting rods to turn relative to described hood synchronous simultaneously
Dynamic；Or, two described connecting rod respective power transmission grooves are all slidably connected with described drive shaft, institute
State last item rise or can drive when falling described drive shaft move through in the lump described drive shaft with
And described power transmission groove drives two described connecting rods to rotate relative to described hood synchronous simultaneously.
High-altitude operation vehicle pit-hole protection mechanism the most according to claim 3, its feature exists
In, described structural member is the mounting seat being provided with installing hole, and the inwall of described installing hole is ladder
Shape, and the inwall of described installing hole is provided with lining, the outer wall of described lining is provided with at least two
Level cascaded surface, described cascaded surface is pressed on the inwall of described installing hole, and described last item runs through institute
State the centre bore of lining and vertically can slide in described centre bore.
11. 1 kinds of high-altitude operation vehicles, it is characterised in that include walking mechanism, jack up unit,
Chassis and the arbitrary described high-altitude operation vehicle pit-hole protection mechanism of claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510337271.0A CN106315471B (en) | 2015-06-17 | 2015-06-17 | High-altitude operation vehicle pit-hole protection mechanism and high-altitude operation vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510337271.0A CN106315471B (en) | 2015-06-17 | 2015-06-17 | High-altitude operation vehicle pit-hole protection mechanism and high-altitude operation vehicle |
Publications (2)
| Publication Number | Publication Date |
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| CN106315471A true CN106315471A (en) | 2017-01-11 |
| CN106315471B CN106315471B (en) | 2018-08-14 |
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| CN201510337271.0A Active CN106315471B (en) | 2015-06-17 | 2015-06-17 | High-altitude operation vehicle pit-hole protection mechanism and high-altitude operation vehicle |
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| CN108439286A (en) * | 2018-03-08 | 2018-08-24 | 陈细妹 | A kind of novel double-mast platform for working aloft |
| CN110342441A (en) * | 2019-07-29 | 2019-10-18 | 合肥亚美科技股份有限公司 | A kind of stability is high and has the giant tyre scissor-type ladder truck of reversed Telescopic |
| CN110844850A (en) * | 2019-11-19 | 2020-02-28 | 苏州智米高装备科技有限公司 | Safety control system of aerial work platform |
| CN113086808A (en) * | 2021-04-30 | 2021-07-09 | 天津市滨海新区检验检测中心 | Elevator safety monitoring mechanism and system |
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| CN203373100U (en) * | 2013-07-25 | 2014-01-01 | 浙江鼎力机械股份有限公司 | Aerial working platform with chassis protecting mechanism |
| CN104261323A (en) * | 2014-09-12 | 2015-01-07 | 浙江鼎力机械股份有限公司 | Anti-lean support device for aerial work platform |
| CN204661271U (en) * | 2015-03-18 | 2015-09-23 | 长沙天盾重工有限责任公司 | A kind of aerial platform protecting chassis |
| CN204802949U (en) * | 2015-06-17 | 2015-11-25 | 徐工集团工程机械股份有限公司 | High altitude construction che keng hole protection mechanism and high altitude construction car |
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| CN203373100U (en) * | 2013-07-25 | 2014-01-01 | 浙江鼎力机械股份有限公司 | Aerial working platform with chassis protecting mechanism |
| CN104261323A (en) * | 2014-09-12 | 2015-01-07 | 浙江鼎力机械股份有限公司 | Anti-lean support device for aerial work platform |
| CN204661271U (en) * | 2015-03-18 | 2015-09-23 | 长沙天盾重工有限责任公司 | A kind of aerial platform protecting chassis |
| CN204802949U (en) * | 2015-06-17 | 2015-11-25 | 徐工集团工程机械股份有限公司 | High altitude construction che keng hole protection mechanism and high altitude construction car |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108439286A (en) * | 2018-03-08 | 2018-08-24 | 陈细妹 | A kind of novel double-mast platform for working aloft |
| CN110342441A (en) * | 2019-07-29 | 2019-10-18 | 合肥亚美科技股份有限公司 | A kind of stability is high and has the giant tyre scissor-type ladder truck of reversed Telescopic |
| CN110844850A (en) * | 2019-11-19 | 2020-02-28 | 苏州智米高装备科技有限公司 | Safety control system of aerial work platform |
| CN113086808A (en) * | 2021-04-30 | 2021-07-09 | 天津市滨海新区检验检测中心 | Elevator safety monitoring mechanism and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106315471B (en) | 2018-08-14 |
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