CN207726654U - A kind of crossing type lifting apparatus - Google Patents
A kind of crossing type lifting apparatus Download PDFInfo
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- CN207726654U CN207726654U CN201820043601.4U CN201820043601U CN207726654U CN 207726654 U CN207726654 U CN 207726654U CN 201820043601 U CN201820043601 U CN 201820043601U CN 207726654 U CN207726654 U CN 207726654U
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Abstract
The utility model discloses a kind of crossing type lifting apparatus, including interior yoke group, outer yoke group, the first bearing, the second bearing and loading plate, interior yoke group and outer yoke group are arranged in a crossed manner, interior yoke group both ends are hingedly connected to one end of the first bearing and loading plate, one end of outer yoke group is hinged with the second bearing, and the other end is slidably connected with the formation of the loading plate other end；Screw rod includes being equipped with to be connected with the left-handed screw portion of left-handed nut and be connected with the right handed screw portion of right-handed nut, the inner end of the first pull rod is also freely arranged in left-handed screw portion, the outer end of first pull rod is equipped with first and draws driving wheel group, and the inner end of the second pull rod is also freely arranged in right handed screw portion, the outer end of second pull rod is equipped with second and driving wheel group, the first drawing driving wheel group and the second pulling wheel group is drawn to be located at two intersection angle positions of interior yoke group and outer yoke group.The crossing type lifting apparatus is simple in structure, operates steadily reliable, is active in one's movements, noise is small, maintains easily maintenance.
Description
Technical field
The utility model is related to a kind of lifting gears, more particularly to a kind of crossing type lifting apparatus.
Background technology
Crossing type lifting apparatus is a kind of widely used elevating mechanism, but existing scissors fork elevating mechanism is mostly left and right yoke
Centre is hinged, and stability is poor, and transmission system is mostly hydraulic drive, and oil piping system is complicated, and space occupancy rate is big, and use, dimension
Shield requires certain professional knowledge and higher technical merit.
Utility model content
The purpose of this utility model is to provide a kind of crossing type lifting apparatus simple in structure, to solve the above-mentioned prior art
There are the problem of, so that crossing type lifting apparatus is operated steadily reliably, bearing capacity is big, is active in one's movements, and noise is small, maintains easily guarantor
It supports.
To achieve the above object, the utility model provides following scheme：
The utility model provides a kind of crossing type lifting apparatus, including interior yoke group, outer yoke group, the first bearing, second
Bearing and loading plate, the interior yoke group and the outer yoke group are arranged in a crossed manner, and the interior yoke group lower end is articulated with described
One bearing, the upper end and the one end of the loading plate along its length of the interior yoke group are hinged, the lower end of the outer yoke group
Hinged with second bearing, upper end and the other end of the loading plate along its length of the outer yoke group are formed along described
Loading plate length direction is slidably connected；
Further include for driving the interior yoke group and the drawing of the outer yoke group folding that drive component, the drawing is dragged to drag drive
Dynamic component includes driving motor, transmission device and screw rod, and the screw rod includes being equipped with the left-handed screw portion of left hand thread and being equipped with
The right handed screw portion of right-handed thread is threaded with left-handed nut in the left-handed screw portion, and in the left-handed screw portion also
It is freely arranged with the inner end of one first pull rod, the outer end of first pull rod is equipped with first and draws driving wheel group, and described first pulls wheel
Group is located at an intersection angle position of the interior yoke group and the outer yoke group, and dextrorotation spiral shell is threaded in the right handed screw portion
Mother, and the inner end of one second pull rod is also freely arranged in the right handed screw portion, the outer end of second pull rod is equipped with second
Driving wheel group is drawn, the second drawing driving wheel group is oppositely arranged with the first drawing driving wheel group level and the second drawing driving wheel group is located at
Another intersection angle position of the interior yoke group and the outer yoke group, the driving motor pass through described in transmission device drive
Screw rod rotates, and the transmission device drives the axially free cunning of the screw rod rotation and the screw rod described in the screw rod upper edge
Dynamic, the screw rod rotation makes the left-handed nut and the right-handed nut be respectively relative to the left-handed screw portion and the dextrorotation
Threaded shank is mobile and pulls first pull rod and second pull rod in opposite directions or reverse movement, to drive described first to pull
Wheel group and described second draw driving wheel group the intersection angle position of the interior yoke group and the outer yoke group is opposite or reverse movement with
The size for changing simultaneously the interior yoke group and the opposite both sides angle of the crossing of outer yoke group level, drives on the loading plate
Lower movement.
Preferably, the transmission device is connect with the smooth bar part of the screw rod by spline.
Preferably, the transmission device includes bevel gear shaft and bevel gear set, and the shaft end of the bevel gear shaft passes through shaft coupling
The output axis connection of device and the driving motor, the gear of the bevel gear shaft is engaged with the gear that the bevel gear covers, described
Bevel gear set is connect with the smooth bar part spline in the middle part of the screw rod.
Preferably, the transmission device further includes gear housing, and the bevel gear shaft and the bevel gear set may be contained within
In the gear housing, and is formed between the gear housing and the interior yoke group and connection is freely rotated.
Preferably, the interior yoke group includes the first inner guide plate, the second inner guide plate and two interior yokes being oppositely arranged, and two
The both ends of the interior yoke are respectively fixedly connected on first inner guide plate and second inner guide plate, and are led in described first
Plate is hinged with first bearing, and one end of second inner guide plate and the loading plate is hinged；
The outer yoke group includes two the first outer guide plates being oppositely arranged, two the second outer guide plates being oppositely arranged and phase
To two outer yokes of setting, two interior yokes are located between two outer yokes, the both ends of each outer yoke
It is respectively fixedly connected with there are one the described first outer guide plate and a second outer guide plate, two first outer guide plates are and institute
It is hinged to state the second bearing, two second outer guide plates are formed with one end of the loading plate along the loading plate length direction
Be slidably connected.
Preferably, the upper end of two outer yokes and/or the upper end of two second outer guide plates and a sliding pin-shaped
At rotation connection, one end of the loading plate is fixedly connected with a sliding block, and the sliding pin is equipped with matched with the sliding block
Sliding slot, the length direction of the sliding slot are parallel to the length direction of the loading plate, and the sliding block is slidably connected to the sliding slot
It is interior.
Preferably, it is described first draw driving wheel group include the first intermediate roller and two the first side wheels, two described first
Side wheel is located at the both sides of first intermediate roller, and first intermediate roller and two first side wheels pass through
First rotating shaft is connected to the outer end of first pull rod；It is described when first pull rod pulls the first drawing driving wheel group movement
First intermediate roller rolls on the upper surface of first inner guide plate, and two first side wheels are in the described second outer guide plate
Lower surface on roll, to change the size of the interior yoke group and the outer yoke group angle of the crossing；Described second draws driving wheel group
Including the second intermediate roller and two the second side wheels, two second side wheels are located at second intermediate roller
Both sides, second intermediate roller and two second side wheels are connected to the outer of second pull rod by the second shaft
End；When second pull rod pulls the second drawing driving wheel group movement, second intermediate roller is in second inner guide plate
It is rolled on lower surface, two second side wheels roll on the upper surface of the described first outer guide plate, to change the interior fork
The size of arm group and the outer yoke group angle of the crossing.
Preferably, the both ends of the loading plate are positioned equipped with guide holder with the article to lifting on an upper.
Preferably, the left-handed nut is that spherical surface or arc surface contact with first pull rod, the right-handed nut and institute
It is that spherical surface or arc surface contact to state the second pull rod.
Preferably, the left hand thread in the left-handed screw portion is self-locking thread, the dextrorotation spiral shell in the right handed screw portion
Line is self-locking thread.
The utility model achieves following technique effect compared with the existing technology：
Crossing type lifting apparatus provided by the utility model, first draw driving wheel group and second draw driving wheel group in interior yoke group and
Two opposite intersection angle positions of level that outer yoke group is formed and with interior yoke group and outer yoke group is tangent simultaneously contacts；Interior fork
As arm group two angle of the crossing sizes opposite with outer yoke group level, and loading plate and the first bearing and the second bearing mounting surface
It is parallel.When driving motor drives screw rod rotation by transmission device, transmission device drives screw rod rotation, screw rod rotation to make left-handed spiral shell
Female and right-handed nut is respectively relative to left-handed screw portion and right handed screw portion is mobile and the first pull rod of pulling and the second pull rod are opposite
Or the identical distance of reverse movement, to drive first driving wheel group and second is drawn to draw driving wheel group in interior yoke group and outer yoke group
Intersection angle position is opposite simultaneously or moves backward identical distance so that interior yoke group and the opposite both sides of outer yoke group level intersect
Angle increaseds or decreases identical angle simultaneously, and driving loading plate moves horizontally upward or downward；And transmission device can be in screw rod
The axially free sliding of upper edge screw rod, to which transmission device can persistently transmit torque to screw rod, without being transported together with screw rod
It is dynamic so that loading plate remains parallel with the first bearing and the second bearing mounting surface, realizes the steady lifting of loading plate；This reality
With the crossing type lifting apparatus of novel offer, interior yoke group and outer yoke group constitute intermediate not hinged scissors type elevating and fill
It sets, and the lower end of interior yoke group and the first bearing are hinged, the lower end of outer yoke group and the second bearing are hinged, the first bearing and second
Bearing is fixedly installed, by drawing the folding for dragging drive component that can realize yoke group and outer yoke group in driving, driving carrying
Plate moves up or down, compared with the prior art in the articulated connection of two yoke lower ends one, a structure being slidably connected
It is arranged, the crossing type lifting apparatus structure in the utility model is more stable, high capacity, operates steadily reliable, is active in one's movements, makes an uproar
Sound is small, maintains easily maintenance.
1. crossing type lifting apparatus provided by the utility model, first draws driving wheel group and second to draw yoke in driving wheel group driving
Group increases with outer yoke group angle, realizes that elevating mechanism rises, driving force is small, large carrying capacity；
2. without hinged among crossing type lifting apparatus provided by the utility model, interior yoke group and outer fork wall group, first
Bearing and the second bearing realize that mechanism integral rigidity is strong to the fixed bearing of crossing type lifting apparatus, ensure that lifting is steady, carrying
Ability is big；
3. crossing type lifting apparatus provided by the utility model, screw rod uses spline slide with bevel gear set in gear housing
Connection, loading plate has Self-balancing, parallel with left and right bearing mounting surface always；
4. crossing type lifting apparatus provided by the utility model, left hand thread and right-handed thread are self-locking thread, have
Self-locking function ensures safety and steady in the process of running；
5. crossing type lifting apparatus provided by the utility model is driven using motor, gear, screw-driven, control is simple,
It operates steadily reliable, noise is small, is active in one's movements, and maintains easily maintenance.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is the axonometric drawing of crossing type lifting apparatus provided by the utility model；
Fig. 2 is front sectional view of the crossing type lifting apparatus provided by the utility model in the case where rising state in place；
Fig. 3 is front sectional view of the crossing type lifting apparatus provided by the utility model under the state that falls into place；
Fig. 4 is the overhead sectional view of crossing type lifting apparatus provided by the utility model；
Fig. 5 is the partial enlarged view at the crossing type lifting apparatus A in Fig. 4；
Fig. 6 is the partial view of the sliding pin and sliding block of crossing type lifting apparatus provided by the utility model；
In figure：The first bearings of 1-；2- shafts；The first inner guide plates of 301-；The second inner guide plates of 302-；Yoke in 4-；5- is left-handed
Nut；6- left-handed screws portion；7- right-handed nut；8- right handed screws portion；The outer yokes of 9-；The first outer guide plates of 1001-；1002- second
Outer guide plate；The second bearings of 11-；12- guide holders；13- loading plates；The first pull rods of 1401-；The second pull rods of 1402-；1501- first
Draw driving wheel group；1502- second draws driving wheel group；16- sliding blocks；17- sliding pins；18- driving motors；19- gear housings；20- bores tooth
Wheel case；21- bevel gear shafts；22- shaft couplings；23- motor cabinets.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The purpose of this utility model is to provide a kind of crossing type lifting apparatus simple in structure, to solve the above-mentioned prior art
There are the problem of, so that crossing type lifting apparatus is operated steadily reliably, bearing capacity is big, is active in one's movements, and noise is small, maintains easily guarantor
It supports.
The utility model provides a kind of crossing type lifting apparatus, including interior yoke group, outer yoke group, the first bearing, second
Bearing and loading plate, interior yoke group and outer yoke group are arranged in a crossed manner, and interior yoke group lower end is articulated with the first bearing, interior yoke group
Upper end is hinged with the one end of loading plate along its length, and the lower end of outer yoke group and the second bearing are hinged, the upper end of outer yoke group
Being slidably connected along loading plate length direction is formed with the other end of loading plate along its length；Further include for driving interior yoke
Drive component is dragged in the drawing that group is opened and closed with outer yoke group, and it includes driving motor, transmission device and screw rod, screw rod packet that drive component is dragged in drawing
The left-handed screw portion equipped with left hand thread and the right handed screw portion equipped with right-handed thread are included, left-handed screw is threaded with a left side in portion
Spin nut, and the inner end of one first pull rod is also freely arranged in left-handed screw portion, the outer end of the first pull rod is equipped with first and pulls
Wheel group, the first drawing driving wheel group are located at an intersection angle position of interior yoke group and outer yoke group, and right handed screw is threaded with the right side in portion
Spin nut, and the inner end of one second pull rod is also freely arranged in right handed screw portion, the outer end of the second pull rod is equipped with second and pulls
Wheel group, the second drawing driving wheel group is oppositely arranged with the first drawing driving wheel group level and the second drawing driving wheel group is located at interior yoke group and outer yoke
Another intersection angle position of group, driving motor drive screw rod to rotate by transmission device, and transmission device drives screw rod rotation and can
In the axially free sliding of screw rod upper edge screw rod, screw rod rotation makes left-handed nut and right-handed nut be respectively relative to left-handed screw portion
It is mobile with right handed screw portion and pull the first pull rod and the second pull rod is opposite or reverse movement, to drive first draw driving wheel group and
Second draws driving wheel group in the opposite of the intersection angle position of interior yoke group and outer yoke group or reverse movement to change simultaneously interior yoke group
The size of the both sides angle of the crossing opposite with outer yoke group, driving loading plate move up and down.
Crossing type lifting apparatus provided by the utility model, first draw driving wheel group and second draw driving wheel group in interior yoke group and
Two opposite intersection angle positions of level that outer yoke group is formed and with interior yoke group and outer yoke group is tangent simultaneously contacts；Interior fork
As arm group two angle of the crossing sizes opposite with outer yoke group level, and loading plate and the first bearing and the second bearing mounting surface
It is parallel.When driving motor drives screw rod rotation by transmission device, transmission device drives screw rod rotation, screw rod rotation to make left-handed spiral shell
Female and right-handed nut is respectively relative to left-handed screw portion and right handed screw portion is mobile and the first pull rod of pulling and the second pull rod are opposite
Or the identical distance of reverse movement, to drive first driving wheel group and second is drawn to draw driving wheel group in interior yoke group and outer yoke group
Intersection angle position is opposite simultaneously or moves backward identical distance so that interior yoke group and the opposite both sides of outer yoke group level intersect
Angle increaseds or decreases identical angle simultaneously, and driving loading plate moves horizontally upward or downward；And transmission device can be in screw rod
The axially free sliding of upper edge screw rod, to which transmission device can persistently transmit torque to screw rod, without being transported together with screw rod
It is dynamic so that loading plate remains parallel with the first bearing and the second bearing mounting surface, realizes the steady lifting of loading plate；This reality
With the crossing type lifting apparatus of novel offer, interior yoke group and outer yoke group constitute intermediate not hinged scissors type elevating and fill
It sets, and the lower end of interior yoke group and the first bearing are hinged, the lower end of outer yoke group and the second bearing are hinged, the first bearing and second
Bearing is fixedly installed, by drawing the folding for dragging drive component that can realize yoke group and outer yoke group in driving, driving carrying
Plate moves up or down, compared with the prior art in the articulated connection of two yoke lower ends one, a structure being slidably connected
It is arranged, the crossing type lifting apparatus structure in the utility model is more stable, high capacity, operates steadily reliable, is active in one's movements, makes an uproar
Sound is small, maintains easily maintenance.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
Embodiment one
Crossing type lifting apparatus provided in this embodiment, as shown in Fig. 1~5, including interior yoke group, outer yoke group, first
Bearing 1, the second bearing 11 and loading plate 13, interior yoke group and outer yoke group are arranged in a crossed manner, and interior yoke group lower end is articulated with first
Bearing 1, the upper end and the one end of loading plate 13 along its length of interior yoke group are hinged, the lower end of outer yoke group and the second bearing 11
Hinged, upper end and the other end of loading plate 13 along its length of outer yoke group form the sliding company along 13 length direction of loading plate
It connects；Further include for driving the drawing that interior yoke group is opened and closed with outer yoke group to drag drive component, it includes driving electricity that drive component is dragged in drawing
Machine 18, transmission device and screw rod；Screw rod includes the left-handed screw portion 6 equipped with left hand thread and the right handed screw equipped with right-handed thread
Portion 8, is sequentially connected the inner end of left-handed nut 5 and the first pull rod 1401 in left-handed screw portion 6 from outside to inside, left-handed nut 5 with it is left
It revolves threaded shank 6 to be threadedly coupled, left-handed nut 5 and the inner end of the first pull rod 1401 are disposed proximate to, and the inner end of the first pull rod 1401
It is freely placed in left-handed screw portion 6, the outer end of the first pull rod 1401 is connected with the first drawing driving wheel group 1501, and first pulls wheel
Group 1501 is located at an intersection angle position of interior yoke group and outer yoke group；Dextrorotation spiral shell is sequentially connected in right handed screw portion 8 from outside to inside
The inner end of mother 7 and the second pull rod 1402, right-handed nut 7 and the inner end of the second pull rod 1402 are disposed proximate to, and the second pull rod 1402
Inner end be freely placed in right handed screw portion 8, the outer end of the second pull rod 1402 is connected with the second drawing driving wheel group 1502, second
The drawing drawing of driving wheel group 1502 and first 1501 level of driving wheel group is oppositely arranged and 1502 groups of the second pulling wheel is positioned at interior yoke group and outside
Another intersection angle position of yoke group.
The centre of two groups of yokes of existing fork type elevator is hinged, and the lower end of one group of yoke is articulated with pedestal, upper end
It is slidably connected to support platform, the lower end of another group of yoke is articulated with pedestal, and upper end is slidably connected to support platform, this scissor
The lower end of formula elevator has one group and is slidably connected, and bearing capacity is poor.The interior fork of crossing type lifting apparatus in the present embodiment
It need not be articulated and connected between arm group and outer fork wall group, the lower end of interior yoke group is hinged with the first bearing 1, under outer yoke group
End is hinged with the second bearing 11, and the first bearing 1 and the second bearing 11 are fixedly installed, the first bearing 11 and the realization pair of the second bearing 12
The fixed bearing of crossing type lifting apparatus drags drive component that can realize opening for yoke group and outer yoke group in driving by drawing
Close, driving loading plate 13 moves up or down, compared with the prior art in the articulated connection of two yoke lower ends one, a cunning
The structure setting of connection is moved, the bearing capacity bigger of the crossing type lifting apparatus in the present embodiment operates steadily reliable, driving force
It is small, it is active in one's movements, noise is small, and whole stiffness is larger, maintains easily maintenance.
The smooth bar part of crossing type lifting apparatus in the present embodiment, transmission device and screw rod is connected by spline, to
Transmission device persistently transmits torque to screw rod, without axial displacement occurs with screw rod, ensures being active in one's movements for lifting gear, makes
Loading plate has Self-balancing, parallel with left and right bearing mounting surface always.
Transmission device includes bevel gear shaft 21 and bevel gear set 20, and the shaft end of bevel gear shaft 21 passes through shaft coupling 22 and driving
The output axis connection of motor 18, driving motor 18 are installed on a motor cabinet 23, and gear and the bevel gear of bevel gear shaft 21 cover 20
Gear engagement, bevel gear set 20 connect with the smooth bar part spline in the middle part of screw rod.
Crossing type lifting apparatus in the present embodiment, transmission device further include gear housing 19, bevel gear shaft 21 and cone tooth
Wheel case 20 may be contained in gear housing 19, and is formed between gear housing 19 and interior yoke group and connection is freely rotated.This implementation
Crossing type lifting apparatus in example is formed between gear housing 19 and interior yoke group and is hinged, and gear housing 19 and outer yoke group
It is contactless, kidney slot is opened up in outer yoke group, to adapt to gear housing and driving motor with interior yoke group around the first bearing
The relative motion for swinging and occurring between outer yoke group, does not interfere with the whole stiffness of crossing type lifting apparatus, scissor-type
Lifting gear integral rigidity is strong, and ensures that lifting is steady, large carrying capacity.
Left-handed screw portion 6 and right handed screw portion 8 are connected by screw into a screw rod, there is section spline and cone tooth among screw rod
Spline in wheel case 20 forms spline connection, and left and right rotation threaded shank only receives what 19 internal bevel gear of gear housing set 20 transmitted
Torsion and rotate, and bevel gear set 20 can be free to slide upwards in screw shaft, without limitation on transmission device relative to screw rod
Axial movement.
When crossing type lifting apparatus makes loading plate 13 rise：Driving motor 18 rotates clockwise, and is driven by shaft coupling 22
Bevel gear shaft 21 rotates clockwise, and the rotation counterclockwise of pairing bevel gear set 20 with bevel gear shaft 21, bevel gear set 20 passes through flower
Key drives left-handed screw portion 6 and right handed screw portion 8 to rotate counterclockwise simultaneously, to drive left-handed nut 5 and right-handed nut 7 simultaneously
It moves towards and distance that left-handed nut 5 and right-handed nut 7 move towards is identical；Left-handed nut 5 passes through 1401 band of the first pull rod
Dynamic first draws driving wheel group 1501 to move, and right-handed nut 7 drives second driving wheel group 1502 is drawn to move by the second pull rod 1402, and the
One drawing driving wheel group 1501 and second draws driving wheel group 1502 to move towards identical distance simultaneously, drives interior yoke group and outer yoke group
Horizontal opposite angle while the identical angle that becomes larger so that loading plate 13 moves horizontally upwards, reaches loading plate 13 and rises mesh
's.
When crossing type lifting apparatus makes loading plate 13 decline：Driving motor 18 rotates counterclockwise, and is driven by shaft coupling 22
Bevel gear shaft 21 rotates counterclockwise, is rotated clockwise with the pairing bevel gear set 20 of bevel gear shaft 21, bevel gear set 20 passes through flower
Key drives left-handed screw portion 6 and right handed screw portion 8 to rotate clockwise simultaneously, to drive left-handed nut 5 and right-handed nut 7 simultaneously
The distance that reverse movement and left-handed nut 5 and right-handed nut 7 move backward is identical；Left-handed nut 5 passes through 1401 band of the first pull rod
Dynamic first draws driving wheel group 1501 to move, and right-handed nut 7 drives second driving wheel group 1502 is drawn to move by the second pull rod 1402, and the
One drawing driving wheel group 1501 and second draws driving wheel group 1502 to move backward identical distance simultaneously, due to crossing type lifting apparatus itself
The gravity of gravity and the article of lifting, first draws driving wheel group 1501 and second to draw the interior yoke after the release of driving wheel group 1502
The group angle opposite with outer yoke group level while the identical angle that becomes smaller so that 13 downward horizontal of loading plate moves, and reaches and holds
Support plate 13 declines purpose.
Interior yoke group includes the first inner guide plate 301, the second inner guide plate 302 and two interior yokes 4 being oppositely arranged, and is pitched in two
The both ends of arm 4 are fixedly connected on by screw on the first inner guide plate 301 and the second inner guide plate 302 respectively, and the first inner guide plate 301
Formation is connect by shaft 2 with the first bearing 1 to be hinged, the second inner guide plate 302 connect shape by shaft 2 with one end of loading plate 13
At hinged；Outer yoke group includes two the first outer guide plates 1001 being oppositely arranged, two the second outer guide plates 1002 being oppositely arranged
With two outer yokes 9 being oppositely arranged, two interior yokes 4 are located between two outer yokes 9, each outer yoke 9
Both ends are fixedly connected by screw there are one the first outer guide plate 1001 and a second outer guide plate 1002 respectively, and two first are led outside
Plate 1001 connect by shaft 2 with the second bearing 11 that formation is hinged, two the second outer guide plates 1002 with loading plate 13 one
End forms being slidably connected along 13 length direction of loading plate.
As shown in fig. 6, upper end and a sliding pin 17 formation of the upper end and two the second outer guide plates 1002 of two outer yokes 9
One end of rotation connection, loading plate 13 is fixedly connected with a sliding block 16, and sliding pin 17 is equipped with and the matched sliding slot of sliding block, sliding slot
Length direction be parallel to the length direction of loading plate 13, sliding block 16 is slidably connected in sliding slot.
Crossing type lifting apparatus in the present embodiment, specifically, forming hinge between gear housing 19 and two interior yokes
It connects, and corresponding position opens up kidney slot on two outer yokes, to adapt to swing of the transmission device with interior yoke around the first bearing
And the relative motion occurred between outer yoke.
First draws driving wheel group 1501 to include the first intermediate roller and two the first side wheels, and two the first side wheels distinguish positions
In the both sides of the first intermediate roller, the first intermediate roller and two the first side wheels are connected to the first pull rod by first rotating shaft
1401 outer end；When first pull rod 1401 pulls the first drawing driving wheel group 1501 to move, the first intermediate roller is in the first inner guide plate 301
Upper surface on roll, two the first side wheels roll on the lower surface of the second outer guide plate 1002, with yoke group in change and
The size of the outer yoke group angle of the crossing；Second to draw driving wheel group 1502 include the second intermediate roller and two the second side wheels, two the
Two side wheels are located at the both sides of the second intermediate roller, and the second intermediate roller and two the second side wheels are connected by the second shaft
It is connected to the outer end of the second pull rod 1402；When second pull rod 1402 pulls the second drawing driving wheel group 1502 to move, the second intermediate roller exists
It is rolled on the lower surface of second inner guide plate 302, two the second side wheels roll on the upper surface of the first outer guide plate 1001, to change
The size of yoke group and the outer yoke group angle of the crossing in becoming.
Since during 13 raising and lowering of loading plate, first draws driving wheel group 1501 and second that driving wheel group 1052 is drawn to lead
It to be contacted with the surface of the first inner guide plate 301, the second inner guide plate 302, the first outer guide plate 1001 and the second outer guide plate 1002 to change
The size of yoke group and the outer yoke group angle of the crossing, the first inner guide plate 301, the second inner guide plate 302,1001 and of the first outer guide plate in becoming
Second outer guide plate 1002 needs to bear larger load effect, therefore, the interior yoke of the crossing type lifting apparatus in the present embodiment
Group and outer fork wall group use separate structure, and interior yoke group is divided into the first inner guide plate 301, the second inner guide plate 302 and is oppositely arranged
Two interior yokes, outer yoke group be divided into two the first outer guide plates 1001 being oppositely arranged, two second be oppositely arranged outside lead
Plate 1002 and two outer yokes 9 being oppositely arranged, the first inner guide plate 301, the second inner guide plate 302, the first outer guide plate 1001 and the
The material that two outer guide plates 1002 are high using case hardness, intensity is high makes, such as 65Mn material quenching treatments, interior yoke 4 and outer
Yoke 9 ensures bonding strength and use intensity, and 45# steel or 16Mn can be used to make.Using this structure setting, protecting
While demonstrate,proving the stable structure and bearing capacity of crossing type lifting apparatus, manufacturing cost can be effectively reduced.
The both ends of loading plate 13 are positioned equipped with guide holder 12 with the article to lifting on an upper, can effectively be protected
The stability of the article lifted on card loading plate 13.
Left-handed nut 5 is that spherical surface or arc surface contact with the first pull rod 1401, and right-handed nut 7 and the second pull rod 1402 are ball
Face or arc surface contact.Using this structure setting so that the first pull rod 1401 and left-handed nut 5 and the second pull rod 1402 with
The transitivity that free centering centering and power are easy between right-handed nut 7 is more preferable, can effectively avoid crossing type lifting apparatus from making
With clamping stagnation occurs in the process, the use of lifting gear is influenced, and ensures its service life.
Left hand thread in left-handed screw portion 6 is self-locking trapezoidal thread, and the right-handed thread in right handed screw portion 8 is self-locking
Formula trapezoidal thread.Right-handed thread in the right handed screw portion 8 of crossing type lifting apparatus in the present embodiment is Tr28 × 5-7H, left
It is Tr28 × 5LH-7H to revolve the left hand thread in threaded shank 6, is less than condition of self-locking angle by calculating lead angle, and self-locking is reliable,
When the electromagnetic braking of driving motor failure, the safety and steady of the article of lifting can be also kept.
Embodiment two
The present embodiment is to one further improved embodiment of embodiment comprising the full content of embodiment one, i.e., originally
The crossing type lifting apparatus that embodiment provides includes the entire infrastructure feature of one crossing type lifting apparatus of embodiment, and improvements exist
In：
Crossing type lifting apparatus provided in this embodiment, screw rod are ball-screw, are a kind of common screw-driven pairs, answer
With extensive, do not have self-locking thread, there are following characteristics compared with the trapezoidal motion threads of the Tr in embodiment one：Transmission efficiency,
Precision is high, transmission speed is fast, resistance is small, noise is small.
Embodiment three
The present embodiment is to one further improved embodiment of embodiment comprising the full content of embodiment one, i.e., originally
The crossing type lifting apparatus that embodiment provides includes the entire infrastructure feature of one crossing type lifting apparatus of embodiment, and improvements exist
In：
Crossing type lifting apparatus provided in this embodiment, gear housing 19 and inside and outside yoke group not Hard link, gear-box
Body 19 is full floating, and gear housing 19 is not connect with interior yoke group or outer yoke group, floats on two of crossing type lifting apparatus entirely
Among interior yoke, gear housing 19 is supported by bevel gear set 20 by screw rod, in the lifting process of loading plate, gear housing
19 meetings rise and fall with the rise and fall of left-handed nut 5 and right-handed nut 7 and the screw-driven pair of screw rod formation, therefore,
Kidney slot is opened up in outer yoke group and interior yoke group, specifically, in the corresponding position and two outer yokes of two interior yokes
On corresponding position open up kidney slot, to adapt to transmission device during moving up and down and with interior yoke group and outer yoke group it
Between the relative motion that occurs.
It should be noted that crossing type lifting apparatus provided by the utility model, is not intended to limit gear housing and interior yoke
The connection type of group or outer yoke group, as long as transmission device can drive screw rod rotation and can be in the axial direction of screw rod upper edge screw rod
Free to slide, transmission device can persistently transmit torque to screw rod, be limited without the axial direction by screw rod so that transmission
Device can be moved axially relative to screw rod；This structure setting ensure that the first drawing driving wheel group and second draws driving wheel group in stress
Under the same conditions, first driving wheel group is drawn to draw driving wheel group consistent with respect to the second bearing centre distance with respect to the first bearing and second,
Interior yoke group is identical as outer yoke group both sides angle of the crossing size, and loading plate has Self-balancing, always with the first bearing and the
The mounting surface of two bearings is parallel, and the raising and lowering of loading plate is steady and bearing capacity is larger.Gear housing can be with interior yoke
Group or outer yoke group are hinged, can be moved with the rotation of interior yoke group or outer yoke group in lifting process middle gear case；Gear
Babinet also can Hard link, gear housing are not full floating with interior yoke group and outer yoke group, float on crossing type lifting apparatus entirely
Two interior yokes among, gear housing is supported by bevel gear set by screw rod, in the lifting process of loading plate, gear-box
Body rise and fall with the rise and fall of left-handed nut and right-handed nut and the screw-driven pair of screw rod formation.
Crossing type lifting apparatus provided by the utility model, does not limit the form of screw rod yet, as long as being provided with two on screw rod
Oppositely oriented threaded portion is threaded with the nut of corresponding rotation direction on two oppositely oriented threaded portions, can realize two
Nut is opposite simultaneously or moves backward identical distance, just can realize pull first to draw driving wheel group by two nuts in this way
And second drawing driving wheel group so that the variation of equal angular occurs simultaneously for the angle of the crossing between interior yoke group and outer yoke group, realization is held
The horizontal raising and lowering of support plate.
Crossing type lifting apparatus provided by the utility model does not limit the specific structure of interior yoke group and outer yoke group yet
Composition, as long as interior yoke group and outer yoke group are arranged in a crossed manner, can pass through the angle between yoke group in change and outer yoke group
Size realize loading plate raising and lowering.And interior yoke group and outer yoke group are arranged using separate structure, and will be interior
Main bearing part in yoke group and outer fork wall group is made of the good material of intensity height, hardness, can effectively reduce device
Cost of manufacture.
Specific case is applied in the utility model to be expounded the principles of the present invention and embodiment, it is above
The explanation of embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for the one of this field
As technical staff, according to the utility model thought, there will be changes in the specific implementation manner and application range.To sum up
Described, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of crossing type lifting apparatus, it is characterised in that：Including interior yoke group, outer yoke group, the first bearing, the second bearing and
Loading plate, the interior yoke group and the outer yoke group are arranged in a crossed manner, and the interior yoke group lower end is articulated with first bearing,
The upper end of the interior yoke group is hinged with the one end of the loading plate along its length, the lower end of the outer yoke group and described the
Two bearings are hinged, and the other end formation of the upper end of the outer yoke group and the loading plate along its length is long along the loading plate
Degree direction is slidably connected；
Further include for driving the interior yoke group and the drawing of the outer yoke group folding that drive component, the drawing is dragged to drag driving group
Part includes driving motor, transmission device and screw rod, and the screw rod includes being equipped with the left-handed screw portion of left hand thread and equipped with dextrorotation
The right handed screw portion of screw thread is threaded with left-handed nut in the left-handed screw portion, and in the left-handed screw portion also freely
It is arranged with the inner end of one first pull rod, the outer end of first pull rod is equipped with first and draws driving wheel group, and described first draws driving wheel group position
In being threaded with right-handed nut on an intersection angle position of the interior yoke group and the outer yoke group, the right handed screw portion,
And the inner end of one second pull rod is also freely arranged in the right handed screw portion, the outer end of second pull rod is equipped with second and pulls
Wheel group, the second drawing driving wheel group is oppositely arranged with the first drawing driving wheel group level and described second draws driving wheel group positioned at described
Another intersection angle position of interior yoke group and the outer yoke group, the driving motor drive the screw rod by the transmission device
Rotation, the transmission device drive the screw rod rotation and the axially free sliding of the screw rod described in the screw rod upper edge,
The screw rod rotation makes the left-handed nut and the right-handed nut be respectively relative to the left-handed screw portion and the dextrorotation spiral shell
Bar portion is mobile and pulls first pull rod and second pull rod in opposite directions or reverse movement, to drive described first to pull wheel
Group and described second draws driving wheel group opposite or reverse movement is with same in the intersection angle position of the interior yoke group and the outer yoke group
When change the size of the interior yoke group and the opposite both sides angle of the crossing of outer yoke group level, drive the loading plate or more
It is mobile.
2. crossing type lifting apparatus according to claim 1, it is characterised in that：The light of the transmission device and the screw rod
Bar part is connected by spline.
3. crossing type lifting apparatus according to claim 2, it is characterised in that：The transmission device include bevel gear shaft and
The shaft end of bevel gear set, the bevel gear shaft passes through the output axis connection of shaft coupling and the driving motor, the bevel gear shaft
Gear engaged with the gear that the bevel gear covers, bevel gear set is connect with the smooth bar part spline in the middle part of the screw rod.
4. crossing type lifting apparatus according to claim 3, it is characterised in that：The transmission device further includes gear-box
Body, the bevel gear shaft and the bevel gear set may be contained in the gear housing, and the gear housing and the interior fork
It is formed between arm group and connection is freely rotated.
5. crossing type lifting apparatus according to claim 1, it is characterised in that：The interior yoke group includes being led in first
Plate, the second inner guide plate and two interior yokes being oppositely arranged, the both ends of the two interior yokes are respectively fixedly connected in described first
On inner guide plate and second inner guide plate, and first inner guide plate and first bearing are hinged, second inner guide plate with
One end of the loading plate is hinged；
The outer yoke group includes two the first outer guide plates being oppositely arranged, two the second outer guide plates being oppositely arranged and sets relatively
The two outer yokes set, two interior yokes are located between two outer yokes, the both ends difference of each outer yoke
It is fixedly connected there are one the described first outer guide plate and a second outer guide plate, two first outer guide plates are with described the
Two bearings are hinged, and two second outer guide plates form the cunning along the loading plate length direction with one end of the loading plate
Dynamic connection.
6. crossing type lifting apparatus according to claim 5, it is characterised in that：The upper end of two outer yokes and/or
The upper end of two second outer guide plates forms with a sliding pin and is rotatablely connected, and one end of the loading plate is fixedly connected with a cunning
Block, the sliding pin is equipped with is parallel to the loading plate with the matched sliding slot of the sliding block, the length direction of the sliding slot
Length direction, the sliding block are slidably connected in the sliding slot.
7. crossing type lifting apparatus according to claim 6, it is characterised in that：It is described first draw driving wheel group include first in
Between idler wheel and two the first side wheels, two first side wheels are located at the both sides of first intermediate roller, described
First intermediate roller and two first side wheels are connected to the outer end of first pull rod by first rotating shaft；Described first
When pull rod pulls the first drawing driving wheel group movement, first intermediate roller rolls on the upper surface of first inner guide plate
Dynamic, two first side wheels roll on the lower surface of the described second outer guide plate, to change the interior yoke group and described
The size of the outer yoke group angle of the crossing；Described second draws driving wheel group to include the second intermediate roller and two the second side wheels, two institutes
The both sides that the second side wheel is located at second intermediate roller are stated, second intermediate roller and two described second are sidewindered
Wheel is connected to the outer end of second pull rod by the second shaft；Second pull rod pulls described second to draw driving wheel group movement
When, second intermediate roller rolls on the lower surface of second inner guide plate, and two second side wheels are described
It is rolled on the upper surface of one outer guide plate, to change the size of the interior yoke group and the outer yoke group angle of the crossing.
8. crossing type lifting apparatus according to claim 1, it is characterised in that：The both ends of the loading plate are on an upper
It is positioned with the article to lifting equipped with guide holder.
9. crossing type lifting apparatus according to claim 1, it is characterised in that：The left-handed nut and first pull rod
It is contacted for spherical surface or arc surface, the right-handed nut is that spherical surface or arc surface contact with second pull rod.
10. crossing type lifting apparatus according to claim 1, it is characterised in that：Left-handed spiral shell in the left-handed screw portion
Line is self-locking thread, and the right-handed thread in the right handed screw portion is self-locking thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820043601.4U CN207726654U (en) | 2018-01-11 | 2018-01-11 | A kind of crossing type lifting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820043601.4U CN207726654U (en) | 2018-01-11 | 2018-01-11 | A kind of crossing type lifting apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN207726654U true CN207726654U (en) | 2018-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820043601.4U Active CN207726654U (en) | 2018-01-11 | 2018-01-11 | A kind of crossing type lifting apparatus |
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| CN (1) | CN207726654U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046160A (en) * | 2018-01-11 | 2018-05-18 | 昆明旭邦机械有限公司 | A kind of crossing type lifting apparatus |
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2018
- 2018-01-11 CN CN201820043601.4U patent/CN207726654U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108046160A (en) * | 2018-01-11 | 2018-05-18 | 昆明旭邦机械有限公司 | A kind of crossing type lifting apparatus |
| CN108046160B (en) * | 2018-01-11 | 2024-03-01 | 昆明旭邦机械有限公司 | Scissor fork type lifting device |
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