CN209161411U - A kind of retractable fork device - Google Patents
A kind of retractable fork device Download PDFInfo
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- CN209161411U CN209161411U CN201822006711.6U CN201822006711U CN209161411U CN 209161411 U CN209161411 U CN 209161411U CN 201822006711 U CN201822006711 U CN 201822006711U CN 209161411 U CN209161411 U CN 209161411U
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- fork
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- wheel assembly
- chain wheel
- chain
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Abstract
The utility model discloses a kind of retractable fork devices, including the level-one fork being successively equipped with, second level fork, three-level fork and level Four fork, level-one fork is equipped with first chain wheel assembly of circle, second level fork is equipped with second chain wheel assembly of circle, it is equipped with multiple bidentate drive sprockets along its length on level-one fork, each bidentate drive sprocket is all provided with there are two toothed disc disposed in parallel, for making two toothed discs be meshed respectively with the first chain wheel assembly and the second chain wheel assembly, first chain wheel assembly is connect with the first driving mechanism, for driving the operating of the second chain wheel assembly by multiple bidentate drive sprockets when the first driving mechanism drives the operating of the first chain wheel assembly, the first chain rack gear that a row is meshed with the second chain wheel assembly is equipped on three-level fork along its length.The utility model have the advantages that it is simple and compact for structure, be easy to make and safeguard, overall stability is strong, highly-safe, to be able to achieve level Four flexible.
Description
Technical field
The utility model relates generally to logistics delivery apparatus field more particularly to a kind of retractable fork device.
Background technique
Retractable fork is the principal organ for accessing article, has automatic telescopic function, it, which is fit directly on piler, (rises
Drop, mobile platform), piler navigates in the tunnel between shelf, and the work for completing automatic access article (can also be assemblied in
On fixed workbench).There are following technical problems for existing retractable fork:
First is that between the multistage pallet fork of existing retractable fork, it is general between other pallet forks especially in addition to the pallet fork of end
It is all made of the kind of drive that gear matches, this needs to configure multiple mutually matched gear train assemblies, the biography between gear
Dynamic cooperation is high to required precision, this is that the processing and manufacturing precision to gear assembly is caused to want high, second is that requiring multiple gears
The installation cooperation precision of transmission system wants high, third is that in the use process in later period, it is also desirable to and it is often detected and is safeguarded, with
High transmission accuracy is kept, causes to take time and effort, maintenance cost is high.
Second is that inherently structure is complicated for multi-stage expansion pallet fork, then uses multiple mutually matched gear train assemblies, into one
The structure that step results in retractable fork is extremely complex, easily occurs maintenance issues in operation, system is caused to stop operation, influence work
Make efficiency.And this configure also causes the weight of equipment extremely heavy, and the transport for being unfavorable for equipment is mobile.
Third is that existing retractable fork can only much realize that three-level is stretched, and stretch mode is inflexible, system stability
It is not strong, current job requirements cannot be well adapted to.
Utility model content
The technical problems to be solved in the utility model be overcome the deficiencies of the prior art and provide it is a kind of it is simple and compact for structure,
Be easy to make and safeguard, overall stability is strong, it is highly-safe, be able to achieve the flexible retractable fork device of level Four.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of retractable fork device, it is described including level-one fork, second level fork, three-level fork and the level Four fork being successively equipped with
Three-level fork, level Four fork linkage, the level-one fork are equipped with first chain wheel assembly of circle, and the second level fork is equipped with second chain of circle
Wheel assembly, the level-one pitch and are equipped with multiple bidentate drive sprockets along its length, and each bidentate drive sprocket is equipped with
Two toothed discs disposed in parallel, for nibbling two toothed discs mutually with the first chain wheel assembly and the second chain wheel assembly respectively
It closes, first chain wheel assembly is connect, for when the first driving mechanism drives the first chain wheel assembly fortune with the first driving mechanism
Drive the operating of the second chain wheel assembly by multiple bidentate drive sprockets when turning, be equipped with along its length on the three-level fork row with
The first chain rack gear that second chain wheel assembly is meshed, for making three-level by the first chain rack gear when the operating of the second chain wheel assembly
Pitch opposite second level fork movement.
The upper also circle third chain wheel assembly of the level-one fork as a further improvement of the utility model, the second level
The second chain rack gear that a row is meshed with third chain wheel assembly, the third chain wheel assembly and second are equipped on fork along its length
Driving mechanism connection；When the driving of the second driving mechanism and locked the first driving mechanism, second driving mechanism drives third
Chain wheel assembly operating is moved with making second level pitch versus primary fork by the second chain rack gear, and multiple locked bidentate drive sprockets
Make the operating of the second chain wheel assembly simultaneously, so that three-level is pitched opposite second level fork and moved synchronously.
The level-one fork is equipped with first press strip, first press strip as a further improvement of the utility model,
Pressure is set on the chain of the first chain wheel assembly, is tightly engaged with the chain and bidentate drive sprocket for making the first chain wheel assembly.
The second level fork is equipped with second press strip, second press strip as a further improvement of the utility model,
Pressure is set on the chain of the second chain wheel assembly, is tightly engaged with the chain and bidentate drive sprocket for making the second chain wheel assembly.
First press strip and the second press strip are by ultra-high molecular weight polyethylene as a further improvement of the utility model,
It is made.
Compared with the prior art, the advantages of the utility model are:
(1) the retractable fork device of the utility model is cooperated using sprocket wheel, chain, chain rack gear between multistage pallet fork
Single chain driving mode, overturned the multi-gear linkage structure of the prior art completely, this no longer to need for every grade of pallet fork it is equal
Configure the gear train assembly of multiple mutually matched complexity.This single chain driving mode not only greatly reduces the knot of the present apparatus
Structure complexity and weight are readily transported transfer so that structure is very simple and compact；And greatly reduce the processing of components
The accuracy of manufacture requires and installation cooperation required precision, is not only easy to fabrication and installation, also saves very big maintenance workload, greatly
Improve production operation efficiency.
(2) the retractable fork device of the utility model realizes firm between multistage pallet fork by using above structure
Operation, so that equipment overall stability is strong, highly-safe, the fine requirement for meeting existing conveying operation.
(3) the retractable fork device of the utility model can be realized level Four and stretch, and further such that level-one fork, two
It is all made of the mutually matched single chain driving mode of sprocket wheel, chain, chain rack gear between grade fork, three-level fork and level Four fork, this is further
The complex degree of structure and weight of the present apparatus are greatly reduced, further such that structure is very simple and compact, is readily transported transfer；
And further reduced the processing and manufacturing required precision and installation cooperation required precision of components, it greatly improves production and makees
Industry efficiency.
(4) the retractable fork device of the utility model, by using the driving of the second driving mechanism and the first driving mechanism is locked
The mode for stubbornly refusing driving, it is above-mentioned can be realized level-one fork, second level fork remains stationary (namely second level fork do not stretch out), and three-level
In the basis that fork, level Four fork linkage are stretched out forward, additionally it is possible to which variation further realizes level-one fork and remains stationary, and second level
Fork, three-level fork, level Four fork linkage are stretched out forward.The telescopic fashion for greatly enriching the present apparatus, meets existing defeated well
Send a variety of requirements of operation.
(5) the retractable fork device of the utility model, by the first press strip of setting and the second press strip, so that the first chain wheel set
The chain of part can realize with bidentate drive sprocket, the chain of the second chain wheel assembly and bidentate drive sprocket and tightly engage, with
Guarantee to ensure that well stablizing for above-mentioned various ways is real there is a phenomenon where chain jump tooth in driving engagement process
It applies.
Detailed description of the invention
Fig. 1 is the plan structure schematic illustration of the retractable fork device of the utility model.
Fig. 2 is the A-A sectional structure schematic illustration of Fig. 1.
Fig. 3 is the B-B sectional structure schematic illustration of Fig. 1.
Fig. 4 is the C-C sectional structure schematic illustration of Fig. 1.
Each label indicates in figure:
1, level-one is pitched；11, the first chain wheel assembly；12, bidentate drive sprocket；13, third chain wheel assembly；14, the first press strip；
2, second level is pitched；21, the second chain wheel assembly；22, the second chain rack gear；23, the second press strip；3, three-level is pitched；31, the first chain rack gear；4,
Level Four fork；5, the first driving mechanism；6, the second driving mechanism.
Specific embodiment
The utility model is described in further details below with reference to Figure of description and specific embodiment.
As shown in Figures 1 to 4, the utility model provides a kind of retractable fork device, including the level-one being successively equipped with
Fork 1, second level fork 2, three-level fork 3 and level Four fork 4, level-one fork 1 are equipped with multiple fixation kit (not shown)s, for incite somebody to action this
Device is fixedly mounted in other equipment (such as lifting, mobile platform).Three-level fork 3,4 linkage of level Four fork, level-one fork 1 are equipped with
One the first chain wheel assembly 11 of circle (can suspect chain wheel assembly certainly and include multiple driven wheels and be set around on multiple driven wheels
One circle chain).Second level fork 2, which is equipped with second chain wheel assembly of circle 21, (can suspect the chain wheel assembly certainly also comprising multiple
Driven wheel and the circle chain being set around on multiple driven wheels), level-one is pitched is equipped with multiple bidentate drive sprockets along its length on 1
12, each bidentate drive sprocket 12 is all provided with there are two toothed disc disposed in parallel, for making two toothed discs respectively with first
The chain of chain wheel assembly 11 and the second chain wheel assembly 21 is meshed, the first chain wheel assembly 11 connect with the first driving mechanism 5, with
The second chain wheel set is driven in passing through multiple bidentate drive sprockets 12 when the first driving mechanism 5 drives the first chain wheel assembly 11 to operate
Part 21 operate, three-level fork 3 on along its length be equipped with a row be meshed with the second chain wheel assembly 21 the first chain rack gear 31, with
Opposite 2 movement of second level fork of three-level fork 3 is made by the first chain rack gear 31 when the operating of the second chain wheel assembly 21.Institute as shown in Figure 1, Figure 2
Showing, be provided with 8 bidentate drive sprockets 12 in the present embodiment altogether, each bidentate drive sprocket 12 is all provided with there are two toothed disc,
Such as Fig. 2 E toothed disc and Fig. 3 F toothed disc, belong to the same bidentate drive sprocket 12.In the present embodiment, the first driving
Mechanism 5 is motor, drives the operating of the first chain wheel assembly 11 by driving chain, certainly, in other embodiments, the first driving machine
Structure 5 or the mode of axis transmission drive the first chain wheel assembly 11 to operate, and it is practical new that this simple transformation all should belong to this
The protection scope of type.It is as follows that principle is embodied:
When the driving of the first driving mechanism 5, the first chain wheel assembly 11 operating on level-one fork 1 will drive, at this point, first
The chain of chain wheel assembly 11 will drive each bidentate drive sprocket 12 operating being meshed on level-one fork 1.Due to each double
The chain of second chain wheel assembly 21 of another toothed disc of tooth transmission chain wheel 12 and on second level fork 2 is meshed, so bidentate
Drive sprocket 12 certainly will will drive the second chain wheel assembly 21 operating on second level fork 2 again.At the same time, due on three-level fork 3
First chain rack gear 31 is meshed with the second chain wheel assembly 21, so the second chain wheel assembly 21 of operating will certainly drive three-level to pitch 3
Opposite 2 movement (namely forward extending out) of second level fork.And since three-level fork 3, level Four fork 4 link, (linked manner is existing end
The routine techniques of pallet fork, and by the linkage technique of chain sprocket, be not repeated herein), so level Four fork 4 can also be transported at this time
Dynamic (namely forward extending out).To sum up, by the driving of the first driving mechanism 5 so that level-one fork 1, second level fork 2 remain stationary (
I.e. second level fork 2 does not stretch out), and three-level fork 3,4 linkage of level Four fork stretch out forward.When the first driving mechanism 5 is driven in the reverse direction, it is bound to
Also three-level fork 3, the 4 linkage withdrawal of level Four fork be will drive, principle is same as above, is not repeated herein.
By the above special scientific design, so that the utility model has the advantages that
First is that the retractable fork device of the utility model, cooperated between multistage pallet fork using sprocket wheel, chain, chain rack gear
Single chain driving mode, overturned the multi-gear linkage structure of the prior art completely, this no longer to need for every grade of pallet fork it is equal
Configure the gear train assembly of multiple mutually matched complexity.This single chain driving mode not only greatly reduces the knot of the present apparatus
Structure complexity and weight are readily transported transfer so that structure is very simple and compact；And greatly reduce the processing of components
The accuracy of manufacture requires and installation cooperation required precision, is not only easy to fabrication and installation, also saves very big maintenance workload, greatly
Improve production operation efficiency.
Second is that the retractable fork device of the utility model realizes steady between multistage pallet fork by using above structure
Gu operation, so that equipment overall stability is strong, highly-safe, the fine requirement for meeting existing conveying operation.
Further, in the preferred embodiment, there are also a circle third chain wheel assemblies 13 (can suspect the chain on level-one fork 1
Wheel assembly is certainly also comprising multiple driven wheels and the circle chain being set around on multiple driven wheels), second level is pitched on 2 along its length
Equipped with the second chain rack gear 22 that a row is meshed with third chain wheel assembly 13, third chain wheel assembly 13 and the second driving mechanism 6 connect
It connects；When the second driving mechanism 6 drives and the first driving mechanism 5 locks, the second driving mechanism 6 drives third chain wheel assembly 13 to transport
Turn, to make second level pitch 2 versus primaries fork, 1 movement by the second chain rack gear 22, and multiple locked bidentate drive sprockets 12 are simultaneously
Make the operating of the second chain wheel assembly 21, so that the opposite second level fork 2 of three-level fork 3 moves synchronously.In the present embodiment, the second driving mechanism
6 be also motor, drives third chain wheel assembly 13 to operate also by driving chain.It is as follows that principle is embodied:
When the driving of the second driving mechanism 6, the third chain wheel assembly 13 that will drive on level-one fork 1 is operated, at this point, third
The chain of chain wheel assembly 13 will drive the second chain rack gear 22 being meshed with third chain wheel assembly 13 and then gesture on second level fork 2
Second level must be driven to pitch 2 versus primaries fork, 1 movement (namely forward extending out).And at this point, due to second level fork 2 movement, its own
Second chain wheel assembly 21 can also synchronize whole advance the puck；And since the first driving mechanism 5 locks at this time, so that multiple bidentates pass
Movable sprocket 12 is also at locked state without operating.At this time the chain of the second chain wheel assembly 21 of whole advance the puck due to
It is meshed with multiple bidentate drive sprockets 12, so " will certainly drive " (can also for locked multiple bidentate drive sprockets 12
To be interpreted as " agitating ") chain of the second chain wheel assembly 21 so that the chain of the second chain wheel assembly 21 also operate (otherwise second
Chain wheel assembly 21 can not be achieved whole mobile forward).Second chain wheel assembly 21 of operating will certainly drive three-level fork 3 opposite two
2 movement (namely forward extending out, principle has been recorded in front) of grade fork.And since three-level fork 3, level Four pitch 4 linkages, (principle is preceding
Record in face), so level Four fork 4 can also move (namely forward extending out) at this time.To sum up, driven by the second driving mechanism 6,
And first driving mechanism 5 it is locked do not drive so that level-one fork 1 remains stationary, and second level fork 2, three-level fork 3,4 linkage courts of level Four fork
Preceding stretching.When the second driving mechanism 6 is driven in the reverse direction, second level fork 2, three-level fork 3, the 4 linkage withdrawal of level Four fork certainly will also will drive,
Principle is same as above, and is not repeated herein.By the above special scientific design, so that the utility model has the advantages that
First is that the retractable fork device of the utility model, further such that level-one fork 1, second level fork 2, three-level fork 3 and level Four
It is all made of the mutually matched single chain driving mode of sprocket wheel, chain, chain rack gear between fork 4, this further greatly reduces the present apparatus
Complex degree of structure and weight be readily transported transfer further such that structure is very simple and compact；And it further reduced
The processing and manufacturing required precision and installation cooperation required precision of components, greatly improve production operation efficiency.
Second is that the retractable fork device of the utility model, using above-mentioned special structure, by using the second driving mechanism 6
Driving and the locked mode not driven of the first driving mechanism 5, it is above-mentioned can be realized level-one fork 1, second level fork 2 remain stationary (
I.e. second level fork 2 does not stretch out), and in the basis that three-level fork 3,4 linkage of level Four fork stretch out forward, additionally it is possible to variation, further
Realize that level-one fork 1 remains stationary, and second level fork 2, three-level fork 3, level Four are pitched 4 linkages and are stretched out forward.Greatly enrich the present apparatus
Telescopic fashion, meet well it is existing conveying operation a variety of requirements.
Further, in the preferred embodiment, level-one fork 1 is equipped with first press strip 14, and the first press strip 14 pressure is set to the
It is tightly engaged on the chain of one chain wheel assembly 11, with the chain and bidentate drive sprocket 12 for making the first chain wheel assembly 11.?
In the present embodiment, second press strip 23 also is provided on second level fork 2, the second press strip 23 pressure is set to the chain of the second chain wheel assembly 21
Above, it is tightly engaged with the chain and bidentate drive sprocket 12 for making the second chain wheel assembly 21.By the way that 14 He of the first press strip is arranged
Second press strip 23, so that the chain of the first chain wheel assembly 11 and bidentate drive sprocket 12, the chain of the second chain wheel assembly 21 and double
Tooth transmission chain wheel 12 can realize and tightly engage, with guarantee in driving engagement process will not there is a phenomenon where chains to jump tooth,
It ensure that the steady implementation of above-mentioned various ways well.
Further, in the preferred embodiment, the first press strip 14 and the second press strip 23 by ultrahigh molecular weight polyethylene at.
Ultra-high molecular weight polyethylene (UHMW-PE) is a kind of thermoplastic engineering plastic with Good All-around Property of linear structure,
Not only wear-resisting but also stability is strong.
It should be strongly noted that above-described embodiment is by taking single tine as an example.When retractable fork device is double fork settings, together
Step is respectively provided with corresponding two level-one fork, second level fork, three-level fork and level Four forks disposed in parallel, Ye Ji in every level-one
One is arranged two level-one forks disposed in parallel, and two second levels forks disposed in parallel are arranged in the second level, and the third level is arranged two and puts down
Two level Four disposed in parallel forks are arranged in the three-level fork of row setting, the fourth stage, and two the second driving mechanisms 6 and two the are arranged
One driving mechanism 5, these simple transformation all should belong to the protection scope of the utility model.
Although the utility model is disclosed as above with preferred embodiment, it is not intended to limit the utility model.It is any
Those skilled in the art, in the case where not departing from technical solutions of the utility model range, all using the disclosure above
Technology contents many possible changes and modifications are made to technical solutions of the utility model, or be revised as the equivalent of equivalent variations
Embodiment.Therefore, all contents without departing from technical solutions of the utility model, according to the utility model technical spirit to the above reality
Any simple modifications, equivalents, and modifications that example is done are applied, should all be fallen in the range of technical solutions of the utility model protection.
Claims (5)
1. a kind of retractable fork device, including level-one fork (1), second level fork (2), three-level fork (3) and the level Four being successively equipped with
It pitches (4), the three-level fork (3), level Four fork (4) linkage, it is characterised in that: the level-one fork (1) is equipped with first sprocket wheel of circle
Component (11), the second level fork (2) are equipped with a circle the second chain wheel assembly (21), set along its length on the level-one fork (1)
Have multiple bidentate drive sprockets (12), each bidentate drive sprocket (12) be all provided with there are two toothed disc disposed in parallel, with
For making two toothed discs be meshed respectively with the first chain wheel assembly (11) and the second chain wheel assembly (21), first chain wheel set
Part (11) is connect, for when the first driving mechanism (5) driving the first chain wheel assembly (11) operating with the first driving mechanism (5)
The second chain wheel assembly (21) operating is driven by multiple bidentate drive sprockets (12), is set along its length on the three-level fork (3)
The first chain rack gear (31) for thering is a row to be meshed with the second chain wheel assembly (21), for when the second chain wheel assembly (21) operate
Make three-level fork (3) with respect to second level fork (2) movement by the first chain rack gear (31).
2. retractable fork device according to claim 1, it is characterised in that: there are also a circle thirds on the level-one fork (1)
Chain wheel assembly (13), the second level is pitched is equipped with a row is meshed with third chain wheel assembly (13) second along its length on (2)
Chain rack gear (22), the third chain wheel assembly (13) connect with the second driving mechanism (6)；When the second driving mechanism (6) driving and
When first driving mechanism (5) locks, the second driving mechanism (6) driving third chain wheel assembly (13) is operated, to pass through second
Chain rack gear (22) makes second level fork (2) versus primary fork (1) movement, and multiple locked bidentate drive sprockets (12) make second simultaneously
Chain wheel assembly (21) operates, so that three-level fork (3) is moved synchronously with respect to second level fork (2).
3. retractable fork device according to claim 2, it is characterised in that: the level-one fork (1) is equipped with one first
Press strip (14), the first press strip (14) pressure are set on the chain of the first chain wheel assembly (11), for making the first chain wheel assembly
(11) chain is tightly engaged with bidentate drive sprocket (12).
4. retractable fork device according to claim 3, it is characterised in that: the second level fork (2) is equipped with one second
Press strip (23), the second press strip (23) pressure are set on the chain of the second chain wheel assembly (21), for making the second chain wheel assembly
(21) chain is tightly engaged with bidentate drive sprocket (12).
5. retractable fork device according to claim 4, it is characterised in that: first press strip (14) and the second press strip
(23) by ultrahigh molecular weight polyethylene at.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822006711.6U CN209161411U (en) | 2018-11-30 | 2018-11-30 | A kind of retractable fork device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822006711.6U CN209161411U (en) | 2018-11-30 | 2018-11-30 | A kind of retractable fork device |
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| Publication Number | Publication Date |
|---|---|
| CN209161411U true CN209161411U (en) | 2019-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201822006711.6U Active CN209161411U (en) | 2018-11-30 | 2018-11-30 | A kind of retractable fork device |
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| CN (1) | CN209161411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109264634A (en) * | 2018-11-30 | 2019-01-25 | 长沙华恒机器人系统有限公司 | A kind of retractable fork device |
-
2018
- 2018-11-30 CN CN201822006711.6U patent/CN209161411U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109264634A (en) * | 2018-11-30 | 2019-01-25 | 长沙华恒机器人系统有限公司 | A kind of retractable fork device |
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