CN208586020U - Retractable fork and piler - Google Patents
Retractable fork and piler Download PDFInfo
- Publication number
- CN208586020U CN208586020U CN201820969952.8U CN201820969952U CN208586020U CN 208586020 U CN208586020 U CN 208586020U CN 201820969952 U CN201820969952 U CN 201820969952U CN 208586020 U CN208586020 U CN 208586020U
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- chain
- rack gear
- slide
- retractable fork
- lower slider
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Abstract
It includes: fixing slide carriage that the utility model, which provides a kind of retractable fork and piler, retractable fork,；Scalable sliding assembly on the fixing slide carriage is set, it further include transmission component, the transmission component transmission is to drive the scalable sliding assembly to move back and forth, the transmission component includes: the first sprocket wheel that the fixing slide carriage rear and front end is arranged in, the first chain being set on first sprocket wheel；It is fixed at the first chain rack gear of the scalable sliding assembly bottom, and the first chain rack gear and first chain are mutually ratcheting, first chain drive is to drive the first chain rack gear to be translatable, so that the scalable sliding assembly moves back and forth；It further include driving source, the driving source is suitable for driving first chain drive.Chain is with the cooperation of chain rack gear so that the retractable fork overall structure is simple, so that installation and maintenance are convenient between the transmission component.
Description
Technical field
The utility model relates to automatic material flow and storage technique fields, and in particular to a kind of retractable fork and piler.
Background technique
At present in warehousing and logistics industry, with popularizing for Automatic Warehouse, using for high-rise warehouse shelf makes space
Utilization rate has obtained great promotion, and warehouse logistics handling robot system matched with warehouse is also increasingly taken seriously.
Wherein, piler is one of the important tool in warehouse logistics handling robot system, and pallet fork is piler
One of component.In order to adapt to different pick-and-place cargo demands, pallet fork accordingly also has different structures, and specifically, pallet fork can be with
It is divided into Telescopic goods fork and holds formula pallet fork.
Retractable fork is divided into Dan Shenwei pallet fork and stretches a pallet fork with double.Dan Shenwei pallet fork is generally used currently on the market, is taken
Goods process are as follows: directly drive pallet fork or gear & rack structure that pallet fork is driven to stretch out by chain；Pallet fork reaches cargo after stretching out
Lower section, piler drive pallet fork to rise so that cargo leaves shelf；After the completion of picking, pallet fork is shunk.Its advantage is that pallet fork is flexible
Process is simple, the disadvantage is that stroke is small, picking range is smaller, and space utilization rate is low.Although double pallet forks of stretching have stroke big
The advantages of, but its chain drive structure is complicated, installation and maintenance are inconvenient.
Therefore, it is urgent to provide a kind of chain drive structure is simple, the retractable fork being easy for installation and maintenance.
Utility model content
The utility model solves the problems, such as to be to provide a kind of retractable fork and piler, and it is multiple to solve chain drive structure
It is miscellaneous, the problem of installation and maintenance inconvenience.
To solve the above problems, the utility model provides a kind of retractable fork, comprising: fixing slide carriage, the fixing slide carriage
Surface extending direction is telescopic direction；Scalable sliding assembly on the fixing slide carriage is set；Transmission component is arranged in institute
It states on fixing slide carriage and the scalable sliding assembly, the transmission component transmission is to drive the scalable sliding assembly along institute
Telescopic direction reciprocating movement is stated, the transmission component includes: the first sprocket wheel for being separately positioned on the fixing slide carriage rear and front end,
The first chain being set on first sprocket wheel；It is fixed at the first chain rack gear of the scalable sliding assembly bottom,
And the first chain rack gear and first chain are mutually ratcheting, first chain drive is to drive the first chain rack gear flat
It is dynamic, so that the scalable sliding assembly is moved back and forth along telescopic direction；Driving source, first chain are wound around the driving
The output end in source, the driving source are suitable for driving first chain drive.
Optionally, the scalable sliding assembly includes: lower slider, and the lower slider is arranged on the fixing slide carriage,
The first chain rack gear is located at the lower slider bottom；Middle slide on the lower slider is set, and the middle slide can be opposite
It is moved back and forth in the lower slider along the telescopic direction；Upper saddle on the middle slide is set, and the upper saddle can phase
The middle slide is moved back and forth along the telescopic direction.
Optionally, the transmission component further include: be separately positioned on the second sprocket wheel of the lower slider rear and front end, be arranged
The second chain on second sprocket wheel；It is fixed at the second chain rack gear of the middle slide bottom, and second chain
Rack gear and second chain are mutually ratcheting, and second chain drive is to drive the second chain rack gear to be translatable, so that in described
Slide is moved back and forth relative to the lower slider along the telescopic direction.Optionally, the retractable fork further include: fixed setting
The third chain rack gear on the fixing slide carriage surface, the third chain rack gear and first chain are mutually ratcheting.
Optionally, the first chain rack surface includes toothed region and planar portions, the toothed region and first chain
Item is mutually ratcheting.
Optionally, the quantity of the toothed region is 2, and the first chain rack gear is accordingly arranged in 2 toothed regions
Head and the tail both ends, the planar portions are between 2 toothed regions.
Optionally, the first chain rack gear, the second chain rack gear and the third chain rack surface are equipped with toothed region
With planar portions, the toothed region is alternately present with the planar portions, and the first chain rack gear, the second chain rack gear and institute
The both ends for stating third chain rack gear are toothed region.
Optionally, the toothed region is arranged alternately with the planar portions；And the first chain rack gear head and the tail both ends have institute
State toothed region.
Optionally, first chain both ends junction is provided with chain tensioning mechanism；Second chain both ends junction are set
It is equipped with chain tensioning mechanism.
Optionally, the transmission component further include: the third sprocket wheel of the middle slide front end is set, and is arranged in institute
State the 4th sprocket wheel of middle sliding base rear end；The third chain being set on the third sprocket wheel, third chain one end are fixed on
On the middle slide, the other end bypasses third sprocket wheel, is then connected to the upper saddle, so that when the middle slide is mobile, institute
It is mobile relative to the middle slide to state upper saddle；The 4th chain being set on the 4th sprocket wheel, described 4th chain one end are solid
Be scheduled on the middle slide, the other end bypass the 4th sprocket wheel, be then connected to the lower slider so that the lower slider relative to
The middle slide stretching motion.
Optionally, the retractable fork includes two fixing slide carriages, and each fixing slide carriage is equipped with described
Scalable sliding assembly and the transmission component.
Optionally, the retractable fork further include: shaft coupling；The shaft coupling connects described two fixing slide carriages.
Optionally, drive sprocket and jockey sprocket are respectively equipped on the fixing slide carriage, first chain is around described
On jockey sprocket, and it is set on the drive sprocket；The shaft coupling is connected on the drive sprocket axial direction.
Optionally, the side of the fixing slide carriage is provided with the first sliding rail, and the lower slider is relative to the fixing slide carriage
Along first slide track telescopic, and the first support roller bearing is provided on first sliding rail；The side of the lower slider is set
It is equipped with the second sliding rail, the middle slide is set relative to the lower slider along second slide track telescopic, and on second sliding rail
It is equipped with the second support roller bearing；The side of the middle slide is provided with third sliding rail, and the upper saddle is relative to the middle cunning
Seat is provided with third support roller bearing along the third slide track telescopic, and on the third sliding rail.
Optionally, the first chain rack gear is fixed by screws in the lower slider bottom surface；The second chain rack gear
It is fixed by screws in the middle slide bottom surface；The third chain rack gear is fixed by screws at the top of the fixing slide carriage
Surface.
It is stretched in order to solve the above technical problems, the technical program also provides any one in a kind of piler, including the above item
Contracting pallet fork.
Compared with prior art, the technical solution of the utility model has the advantage that
The utility model provides a kind of retractable fork and piler includes:
Fixing slide carriage, fixing slide carriage surface extending direction are telescopic direction；Be arranged on the fixing slide carriage can
Flexible sliding assembly；Transmission component is arranged on the fixing slide carriage and the scalable sliding assembly, and the transmission component passes
It moves to drive the scalable sliding assembly to move back and forth along the telescopic direction, the transmission component includes: to be separately positioned on
First sprocket wheel of the fixing slide carriage rear and front end, the first chain being set on first sprocket wheel；It is fixed at described
First chain rack gear of scalable sliding assembly bottom, and the first chain rack gear and first chain are mutually ratcheting, described first
Chain drive is to drive the first chain rack gear to be translatable, so that the scalable sliding assembly is moved back and forth along telescopic direction；It drives
Dynamic source, first chain are wound around the output end of the driving source, and the driving source is suitable for driving first chain drive.
By the mutual ratcheting of first chain and the first chain rack gear, when first chain rotation, so that described first
The translation of chain rack gear, so the scalable sliding assembly connecting with the first chain rack gear also moves, such kind of drive
So that the transmission component structure of the retractable fork is simple, installation and maintenance are convenient.
In optinal plan, the scalable sliding assembly includes: lower slider, and the lower slider is arranged in the fixing slide carriage
On, the first chain rack gear is located at the lower slider bottom；Middle slide on the lower slider is set, and the middle slide can phase
The lower slider is moved back and forth along the telescopic direction；Upper saddle on the middle slide is set, and the upper saddle can
It is moved back and forth relative to the middle slide along the telescopic direction.The retractable fork can be completed at the same time multi-stage expansion, and stretch row
Journey is larger, increases picking range, improves space utilization rate, stacker systems needed for saving when accessing the cargo in same goods yard
Quantity.
In optinal plan, the transmission component further include: it is separately positioned on the second sprocket wheel of the lower slider rear and front end,
The second chain being set on second sprocket wheel；It is fixed at the second chain rack gear of the middle slide bottom, and described
Two chain rack gears and second chain are mutually ratcheting, and second chain drive is to drive the second chain rack gear to be translatable, so that institute
It states middle slide and is moved back and forth relative to the lower slider along the telescopic direction.The middle slide by bottom surface it is fixed the
Two chain rack gears and second chain are mutually ratcheting, and the second chain rotation drives the second chain rack gear translation, thus described
Middle slide is mobile.The cooperation of second chain and the second chain rack gear is further conducive to pacify so that transmission layout is simple and clear
Dress and maintenance.In optinal plan, the retractable fork further include: the third chain rack gear on the fixing slide carriage surface is fixedly installed,
The third chain rack gear and first chain are mutually ratcheting.The third chain rack gear is fixed at table on the fixing slide carriage
Face, and first chain is set in above the third chain rack gear, therefore when first chain rotation, the third sprocket
Item is fixed, so that first chain rotation does not shift, provides the effect of fulcrum for the first chain rack gear.
In optinal plan, the first chain rack surface includes toothed region and planar portions, the toothed region and described the
One chain is mutually ratcheting.The first chain rack surface is equipped with planar portions, is for the first chain rack gear and first chain
Reduce the adjustment between the first chain rack gear and first chain in ratcheting process, and then improves first chain
Service life.
In optinal plan, first chain both ends junction is provided with chain tensioning mechanism；The connection of second chain both ends
Place is provided with chain tensioning mechanism.The chain tensioning mechanism of first chain both ends setting is to ensure first chain
The synchronous matching of item and the first chain rack gear adjusts the position of first chain and plays to first chain tension
Effect.Correspondingly, second chain both ends junction is provided with chain tensioning mechanism, it is to ensure second chain
With the synchronous matching of the second chain rack gear, adjusts the position of second chain and play the work to second chain tension
With.
In optinal plan, the transmission component further include: the third sprocket wheel of the middle slide front end, and setting are set
In the 4th sprocket wheel of the middle sliding base rear end；The third chain being set on the third sprocket wheel, third chain one end are solid
It is scheduled on the middle slide, the other end bypasses third sprocket wheel, the upper saddle is then connected to, so that the middle slide is mobile
When, the upper saddle is mobile relative to the middle slide；The 4th chain being set on the 4th sprocket wheel, the 4th chain one
End is fixed on the middle slide, and the other end bypasses the 4th sprocket wheel, the lower slider is then connected to, so that the lower slider phase
For the middle slide stretching motion.The third sprocket wheel on the middle slide is arranged with the third chain, the third
Chain one end is fixed on the upper saddle, and the other end is fixed on the middle slide and takes；The third sprocket wheel is suitable here
In a movable pulley, when the middle slide lower slider relatively stretches out, the third sprocket wheel can be on the third chain
It rolls, it is mobile relative to the middle slide that the third chain will drive the upper saddle.Correspondingly, the institute of the middle sliding base rear end
The 4th sprocket wheel is stated, the 4th chain is set on the 4th sprocket wheel, and one end of the 4th chain is fixed in described
On slide, the other end is fixed on the lower slider；4th sprocket wheel is equivalent to a movable pulley herein, when the middle slide
When stretching, the 4th sprocket wheel rolls on the 4th chain, and the 4th chain will drive the middle slide relative to institute
State lower slider relative movement.
In optinal plan, the retractable fork includes two fixing slide carriages, and has identical stretch on each fixing slide carriage
Contracting holder assembly and transmission component.Two groups of identical fixing slide carriages work at the same time, the effectively save picking time, improve piler and utilize
Rate.
In optinal plan, the retractable fork further include: shaft coupling；The shaft coupling connects described two identical fixations
Slide.The shaft coupling connects described two fixing slide carriages simultaneously, when driving source driving can control two fixations simultaneously
Slide, so that the retractable fork structure is simple and efficient.
In optinal plan, drive sprocket and jockey sprocket are respectively equipped on the fixing slide carriage, first chain bypasses
On the jockey sprocket, and it is set on the drive sprocket；The shaft coupling is connected on the drive sprocket axial direction.
The directive wheel cooperates the drive sprocket, so that first chain being set on the drive sprocket has dynamics to have direction
Rotation.
In optinal plan, the side of the fixing slide carriage is provided with the first sliding rail, and the lower slider is relative to the fixation
Slide is provided with the first support roller bearing along first slide track telescopic on first sliding rail；The side of the lower slider
Face is provided with the second sliding rail, the middle slide relative to the lower slider along second slide track telescopic, and second sliding rail
On be provided with the second support roller bearing；The side of the middle slide is provided with third sliding rail, and the upper saddle is relative to described
Middle slide is provided with third support roller bearing along the third slide track telescopic, and on the third sliding rail.The support roller
On the one hand bearing ensure that uncertain support, on the other hand, the frictional resistance of the support roller bearing is small, and pallet fork is in telescopic process
It is more smooth.
Detailed description of the invention
Fig. 1 is overall schematic when retractable fork provided by the embodiment of the utility model is stretched out；
Fig. 2 is the structural schematic diagram of the first chain rack gear in the retractable fork that Fig. 1 is provided；
Fig. 3 is the transmission component structure diagram of retractable fork provided by the embodiment of the utility model；
Fig. 4 is top view when retractable fork is not stretched out in Fig. 1；
Fig. 5 is front view when Fig. 4 is splitted along dotted line a towards the direction A-A；
Fig. 6 is front view when Fig. 4 is splitted along dotted line b towards the direction B-B；
Fig. 7 is front view when Fig. 4 is splitted along dotted line c towards the direction C-C；
Fig. 8 is front view when Fig. 5 is splitted along dotted line d towards the direction D-D；
Fig. 9 is front view when Fig. 6 is splitted along dotted line e towards the direction E-E.
Specific embodiment
It can be seen from background technology that the chain drive structure of retractable fork in the prior art is complicated, and installation and maintenance are not square
Just the problem of.
Analysis finds that the fork body that existing retractable fork often uses chain and chain wheel set to cooperate control retractable fork is flexible, driving
When be only capable of by pure chain drive, pure chain drive mode causes whole chain arragement construction sufficiently complex, when chain is installed
Connector number is various, makes troubles to installation retractable fork or maintenance retractable fork.
To solve the above problems, the utility model provides a kind of retractable fork, the retractable fork includes fixing slide carriage,
Fixing slide carriage surface extending direction is telescopic direction；Scalable sliding assembly on the fixing slide carriage is set；Transmission
Component is arranged on the fixing slide carriage and the scalable sliding assembly, and transmission component transmission described can be stretched with driving
Contracting sliding assembly is moved back and forth along the telescopic direction, and the transmission component includes: to be separately positioned on before and after the fixing slide carriage
First sprocket wheel at both ends, the first chain being set on first sprocket wheel；It is fixed at the scalable sliding assembly bottom
The first chain rack gear in portion, and the first chain rack gear and first chain are mutually ratcheting, first chain drive is to drive
The translation of the first chain rack gear is stated, so that the scalable sliding assembly is moved back and forth along telescopic direction；Driving source, first chain
It is wound around the output end of the driving source, the driving source is suitable for driving first chain drive.Pass through first chain
It is moved back and forth with the ratcheting drive scalable sliding assembly of the first chain rack gear along telescopic direction, so that the flexible goods
The drive mechanism of fork is simple, and makes the installation and maintenance of the retractable fork convenient.
It is understandable to enable the above objects, features, and advantages of the utility model to become apparent, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.
Fig. 1 is overall schematic when retractable fork provided by the embodiment of the utility model is stretched out, and Fig. 2 is what Fig. 1 was provided
The structural schematic diagram of the first chain rack gear in retractable fork, Fig. 3 are the transmission of retractable fork provided by the embodiment of the utility model
Modular construction schematic diagram, Fig. 4 are top view when retractable fork is not stretched out in Fig. 1, and Fig. 5 is when Fig. 4 is splitted along dotted line a towards the side A-A
To front view, Fig. 6 be Fig. 4 when being splitted along dotted line b towards the front view in the direction B-B, Fig. 7 is when Fig. 4 is splitted along dotted line c towards C-C
The front view in direction, Fig. 8 are front view when Fig. 5 is splitted along dotted line d towards the direction D-D, and Fig. 9 is when Fig. 6 is splitted along dotted line e towards E-
The front view in the direction E.
Referring to figs. 1 to Fig. 9, retractable fork provided by the utility model includes: fixing slide carriage 1, the fixing slide carriage surface
Extending direction is telescopic direction；Scalable sliding assembly on the fixing slide carriage 1 is set；Transmission component is arranged described
On fixing slide carriage 1 and the scalable sliding assembly, the transmission component transmission is to drive the scalable sliding assembly along institute
Telescopic direction reciprocating movement is stated, the transmission component includes: the first sprocket wheel for being separately positioned on 1 rear and front end of fixing slide carriage
11a, the first chain 12 being set on the first sprocket wheel 11a；It is fixed at the of the scalable sliding assembly bottom
One chain rack gear 23, and the first chain rack gear 23 and first chain 12 are mutually ratcheting, the transmission of the first chain 12 is to drive
The first chain rack gear 23 is translatable, so that the scalable sliding assembly is moved back and forth along telescopic direction；Driving source 100, it is described
First chain 12 is wound around the output end of the driving source 100, and the driving source 100 is suitable for that first chain 12 is driven to pass
It is dynamic.
It is described in detail below with reference to attached drawing.
The fixing slide carriage 1 is that the telescopic slide component of the retractable fork provides a supporting role.First chain
Item 12 is set on the fixing slide carriage 1, and the driving source 100 drives first chain 12 to rotate, so that described stretch
Contracting slide assemblies are mobile.In the present embodiment, under the scalable sliding assembly being movably arranged on the fixing slide carriage 1 includes:
Slide 2, the middle slide 3 being removably set on the lower slider 2, the upper saddle 4 being removably set on the middle slide 3.
In the present embodiment, the first chain rack gear 23 is fixed at 2 bottom of lower slider.Specifically, described first
Chain rack gear 23 is fixed by screws in 2 bottom surface of lower slider.
With reference to Fig. 2,23 surface of the first chain includes toothed region 004 and planar portions 003, the toothed region 004 with
First chain 12 is mutually ratcheting.The first chain rack gear 23 and first chain 12 are mutually ratcheting, thus first chain
12 rotations drive the first chain rack gear 23 to be translatable；First chain rack gear, 23 surface also has planar portions 003, can reduce institute
The adjustment between the first chain rack gear 23 and first chain 12 is stated, to improve the service life of first chain 12.
In the present embodiment, the quantity of the toothed region 004 is 2, and 2 toothed regions 004 are accordingly arranged in institute
The head and the tail both ends of the first chain rack gear 23 are stated, the planar portions 003 are between 2 toothed regions 004.
In other embodiments, the toothed region 004 is arranged alternately with the planar portions 003；And the first chain rack gear
23 head and the tail both ends have the toothed region 004.
The transmission component further include: be separately positioned on the second sprocket wheel 21a of 2 rear and front end of lower slider, be set in
The second chain 22 on the second sprocket wheel 21a；It is fixed at the second chain rack gear 33 of 3 bottom of middle slide, and described
Second chain rack gear 33 and second chain 22 are mutually ratcheting, and the transmission of the second chain 22 is to drive the second chain rack gear 33 flat
It is dynamic, so that the middle slide 3 is moved back and forth relative to the lower slider 2 along the telescopic direction.
Specifically, the second chain rack gear 33 is fixed by screws in 3 bottom surface of middle slide.In the present embodiment
In, similar with the first chain 23 structures of rack gear described previously, the second chain rack gear 33 includes toothed region 004 and planar portions 003,
The toothed region 004 and second chain 12 are mutually ratcheting.It can refer in relation to 33 surface shape of the second chain rack gear and effect
The aforementioned explanation to the first chain rack gear 23, details are not described herein.
Further include: the third sprocket wheel 31a of 3 front end of middle slide is set, and 3 rear end of middle slide is set
4th sprocket wheel 31b；The third chain 32a being set on the third sprocket wheel 31a, described one end third chain 32a is fixed on institute
It states on slide 3, the other end bypasses third sprocket wheel 31a, the upper saddle 4 is then connected to, so that the middle slide 3 is mobile
When, the upper saddle 3 is mobile relative to the middle slide 3；The 4th chain 32b being set on the 4th sprocket wheel 31b, described
Four one end chain 32b are fixed on the middle slide 3, and the other end bypasses the 4th sprocket wheel 31b, are then connected to the lower slider 2, with
So that the lower slider 2 is relative to middle 3 stretching motion of slide.
The third sprocket wheel 31a on the middle slide 3 is arranged with the third chain 32a, the third chain 32a mono-
End is fixed on the upper saddle 4, and the other end is fixed on the middle slide 3 and takes；The third sprocket wheel 31a is equivalent to here
One movable pulley, when the middle slide 3 lower slider 2 relatively stretches out, the third sprocket wheel 31a can be in the third chain
It is rolled on 32a, it is mobile relative to the middle slide 3 that the third chain 32a will drive the upper saddle 4.
Correspondingly, the 4th sprocket wheel 31b of 3 rear end of middle slide, the 4th chain 32b are set in the described 4th
On sprocket wheel 31b, and one end of the 4th chain 32b is fixed on the middle slide 3, and the other end is fixed on the lower slider 2
On；The 4th sprocket wheel 31b is equivalent to a movable pulley herein, and when the middle slide 3 stretches out, the 4th sprocket wheel 31b exists
It is rolled on the 4th chain 32b, the 4th chain 32b will drive the middle slide 3 relative to the opposite shifting of the lower slider 2
It is dynamic.
It should be noted that in the present embodiment, the fixed third sprocket wheel 31a in middle 3 both ends of slide with it is described
For 4th sprocket wheel 31b not on one article of horizontal line, the inclined top position of leading portion of the middle slide is arranged in the third sprocket wheel 31a,
The 4th sprocket wheel 31b setting is in the inclined bottom position in middle 3 rear end of slide, the third sprocket wheel 31a and the 4th sprocket wheel
The center point symmetry of the relatively described middle slide 3 in the position of 31b.
In the present embodiment, since the third sprocket wheel 31a and the 4th sprocket wheel 31b on the middle slide 3 does not exist
On one horizontal line, the fixation for the third chain 32a and the 4th chain 32b provides enough spaces, and institute
It states the 4th one end chain 32b to be fixed on the middle slide 3, the other end is fixed on the front end of the lower slider 2, the 4th chain
Wheel 31b is equivalent to a movable pulley herein, when middle 3 stretching motion of slide, the middle slide 3 and 2 phase of lower slider
To movement；Similarly, described one end third chain 32a on the third sprocket wheel 31a is fixed on the middle slide 3, the other end
Be fixed on 4 rear end of upper saddle, the third sprocket wheel 31a is equivalent to a movable pulley herein, when the middle slide 3 with it is described
When 2 relative motion of lower slider, the upper saddle 4 is also relative to middle 3 relative motion of slide.
In the present embodiment, the third chain 32a is fixed on the upper saddle 4 by the first mounting blocks 41a, is passed through
The 4th chain 32b is fixed on the lower slider 2 by the second mounting blocks 41b
In the present embodiment, the retractable fork includes two fixing slide carriages 1, and each fixing slide carriage 1 can equipped with described in
Flexible sliding assembly and transmission component.Stretch sliding assembly simultaneous retractable described in two groups, and the effectively save picking time improves stacking
Machine utilization rate.Further include: shaft coupling (not shown)；The shaft coupling connects described two fixing slide carriages 1.The shaft coupling is simultaneously
Described two fixing slide carriages 1 are connected, thus, it is only required to a driving source 100 be provided, when driving source 100 drives one of them solid
When determining the transmission of the corresponding transmission component of slide 1, the corresponding transmission component of another fixing slide carriage 1 is driven to pass by the shaft coupling
It is dynamic.
The retractable fork further include: be fixed at the third chain rack gear 13 on 1 surface of fixing slide carriage, the third
Chain rack gear 13 and first chain 12 are mutually ratcheting.Specifically, the third chain rack gear 13 is fixed by screws in the fixation
1 top surface of slide.The structure of the third chain rack gear 13 is similar with the first chain rack gear 23 described previously, the related third chain
The result of rack gear 13 and effect can refer to aforementioned respective description, and details are not described herein.
It should be noted that the third chain rack gear 13 is arranged in 1 surface of fixing slide carriage, so that the third sprocket
It not being relatively moved between item 13 and the fixing slide carriage 1, the third chain rack gear 13 and first chain 12 are mutually ratcheting,
To which the transmission for the first chain 12 provides point action, reduce the positional shift that the first chain 12 occurs in transmission process,
Improve the stability of retractable fork.
Further include: the drive sprocket 001 and jockey sprocket 002 being arranged on fixing slide carriage 1, first chain 12 bypass institute
Jockey sprocket 002 is stated, and is set on the drive sprocket 001；The shaft coupling is connected to the 001 axial direction side of drive sprocket
Upwards.
In the present embodiment, the shaft coupling is connected on the drive sprocket on described two fixing slide carriages, described
Shaft coupling is connected with the driving source 100, and when driving source 100 drives, shaft coupling drives the driving on two fixing slide carriages 1 simultaneously
Sprocket wheel 001 rotates, to drive first chain 12 to be driven, so that the scalable sliding assembly is flexible.
The side of the fixing slide carriage is provided with the first sliding rail, and the lower slider is relative to the fixing slide carriage along described
One slide track telescopic, and the first support roller bearing is provided on first sliding rail；The side of the lower slider is provided with second
Sliding rail, the middle slide are provided with second along second slide track telescopic, and on second sliding rail relative to the lower slider
Support roller bearing；The side of the middle slide is provided with third sliding rail, and the upper saddle is relative to the middle slide described in
Third slide track telescopic, and third support roller bearing is provided on the third sliding rail.The support roller bearing group 15 makes
The lower slider 2 is more smooth relative to the movement of the fixing slide carriage 1, the shifting of the corresponding relatively described lower slider 2 of middle slide 3
Dynamic more smooth, similarly, the upper saddle 4 is more smooth relative to the movement of the middle slide 3.
It further include that the 12 both ends junction of the first chain is provided with chain tensioning mechanism (not shown), the chain
Locking structure can adjust the rate of tension of first chain 12, so that the chain roller of first chain 12 can be with institute
The synchronous matching degree for stating the toothed region of the first chain rack gear 23 is improved, and is prevented wrong due to occurring between chain roller and toothed region
Position and cause the first chain 12 be pressurized occur it is damaged；Second chain both ends junction are provided with chain tensioning mechanism 24, the chain
Tension structure 24 can adjust the rate of tension of second chain 22, so that the chain roller energy of second chain 22
Enough synchronous matching degree with the toothed region of the second chain rack gear 33 are improved, and are prevented due between chain roller and toothed region
Dislocation occurs and causes the second chain 22 to be pressurized and breakage occurs.
The retractable fork provided by the utility model drives the scalable sliding assembly edge by the transmission component
Telescopic direction moves back and forth, so that the drive mechanism of the retractable fork is simple, and makes the installation and dimension of the retractable fork
It repairs conveniently.Correspondingly, the utility model also provides a kind of piler, including retractable fork above-mentioned.The retractable fork installation
It is the important composition component of the piler, the improvement of the retractable fork is so that the stacking works on the piler
Efficiency and stability improve.
Although the utility model discloses as above, the utility model is not limited to this.Anyone skilled in the art,
It does not depart from the spirit and scope of the utility model, can make various changes or modifications, therefore the protection scope of the utility model
It should be defined by the scope defined by the claims..
Claims (15)
1. a kind of retractable fork characterized by comprising
Fixing slide carriage, fixing slide carriage surface extending direction are telescopic direction；
Scalable sliding assembly on the fixing slide carriage is set；
Transmission component is arranged on the fixing slide carriage and the scalable sliding assembly, and the transmission component transmission is to drive
The scalable sliding assembly is moved back and forth along the telescopic direction, and the transmission component includes: to be separately positioned on the fixation
First sprocket wheel of slide rear and front end, the first chain being set on first sprocket wheel；It is fixed at the scalable cunning
First chain rack gear of holder assembly bottom, and the first chain rack gear and first chain are mutually ratcheting, first chain drive
To drive the first chain rack gear to be translatable, so that the scalable sliding assembly is moved back and forth along telescopic direction；
Driving source, first chain are wound around the output end of the driving source, and the driving source is suitable for driving first chain
Item transmission.
2. a kind of retractable fork as described in claim 1, which is characterized in that the scalable sliding assembly includes: lower slider,
The lower slider is arranged on the fixing slide carriage, and the first chain rack gear is located at the lower slider bottom；It is arranged under described
Middle slide on slide, the middle slide can be moved back and forth relative to the lower slider along the telescopic direction；It is arranged described
Upper saddle on middle slide, the upper saddle can be moved back and forth relative to the middle slide along the telescopic direction.
3. a kind of retractable fork as claimed in claim 2, which is characterized in that the transmission component further include: be separately positioned on
Second sprocket wheel of the lower slider rear and front end, the second chain being set on second sprocket wheel；It is fixed in described
Second chain rack gear of slide bottom, and the second chain rack gear and second chain are mutually ratcheting, second chain drive with
The second chain rack gear is driven to be translatable, so that the middle slide is moved back and forth relative to the lower slider along the telescopic direction.
4. a kind of retractable fork as claimed in claim 3, which is characterized in that further include: the fixing slide carriage table is fixedly installed
The third chain rack gear in face, the third chain rack gear and first chain are mutually ratcheting.
5. a kind of retractable fork as described in claim 1, which is characterized in that the first chain rack surface include toothed region with
And planar portions, the toothed region and first chain are mutually ratcheting.
6. a kind of retractable fork as claimed in claim 5, which is characterized in that the quantity of the toothed region is 2, and described 2
The first chain rack gear head and the tail both ends are accordingly arranged in a toothed region, and the planar portions are between 2 toothed regions.
7. a kind of retractable fork as claimed in claim 5, which is characterized in that the toothed region replaces with the planar portions to be set
It sets；And the first chain rack gear head and the tail both ends have the toothed region.
8. a kind of retractable fork as claimed in claim 3, which is characterized in that first chain both ends junction is provided with chain
Strainer；Second chain both ends junction are provided with chain tensioning mechanism.
9. a kind of retractable fork as claimed in claim 2 or claim 3, which is characterized in that the transmission component further include: be arranged in institute
The third sprocket wheel of middle slide front end is stated, and the 4th sprocket wheel of the middle sliding base rear end is set；It is set in the third sprocket wheel
On third chain, third chain one end is fixed on the middle slide, and the other end bypasses third sprocket wheel, is then connected to institute
Upper saddle is stated, so that the upper saddle is mobile relative to the middle slide when the middle slide is mobile；It is set in the 4th chain
The 4th chain on wheel, described 4th chain one end are fixed on the middle slide, and the other end bypasses the 4th sprocket wheel, are then connected to
The lower slider, so that the lower slider is relative to the middle slide stretching motion.
10. a kind of retractable fork as described in claim 1, which is characterized in that the retractable fork includes two fixations
Slide, and each fixing slide carriage is equipped with the scalable sliding assembly and the transmission component.
11. a kind of retractable fork as claimed in claim 10, which is characterized in that the retractable fork further include: shaft coupling；Institute
It states shaft coupling and connects described two fixing slide carriages.
12. a kind of retractable fork as claimed in claim 11, which is characterized in that be respectively equipped with drive chain on the fixing slide carriage
Wheel and jockey sprocket, first chain bypasses on the jockey sprocket, and is set on the drive sprocket；The shaft coupling
It is connected on the drive sprocket axial direction.
13. a kind of retractable fork as claimed in claim 2, which is characterized in that the side of the fixing slide carriage is provided with first
Sliding rail, the lower slider are provided with relative to the fixing slide carriage along first slide track telescopic, and on first sliding rail
One support roller bearing；The side of the lower slider is provided with the second sliding rail, and the middle slide is relative to the lower slider along institute
The second slide track telescopic is stated, and is provided with the second support roller bearing on second sliding rail；The side of the middle slide is provided with
Third sliding rail, the upper saddle are provided with relative to the middle slide along the third slide track telescopic, and on the third sliding rail
Third supports roller bearing.
14. a kind of retractable fork as claimed in claim 4, which is characterized in that the first chain rack gear is fixed by screws in
The lower slider bottom surface；The second chain rack gear is fixed by screws in the middle slide bottom surface；The third chain
Rack gear is fixed by screws in the fixing slide carriage top surface.
15. a kind of piler, which is characterized in that including any one of the claim 1-14 retractable fork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820969952.8U CN208586020U (en) | 2018-06-22 | 2018-06-22 | Retractable fork and piler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820969952.8U CN208586020U (en) | 2018-06-22 | 2018-06-22 | Retractable fork and piler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208586020U true CN208586020U (en) | 2019-03-08 |
Family
ID=65536993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820969952.8U Active CN208586020U (en) | 2018-06-22 | 2018-06-22 | Retractable fork and piler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208586020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108466979A (en) * | 2018-06-22 | 2018-08-31 | 昆山华恒工程技术中心有限公司 | Retractable fork and piler |
-
2018
- 2018-06-22 CN CN201820969952.8U patent/CN208586020U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108466979A (en) * | 2018-06-22 | 2018-08-31 | 昆山华恒工程技术中心有限公司 | Retractable fork and piler |
| CN108466979B (en) * | 2018-06-22 | 2024-05-17 | 昆山华恒工程技术中心有限公司 | Telescopic fork and stacker |
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