CN110963447A - Double-deep-position fork - Google Patents
Double-deep-position fork Download PDFInfo
- Publication number
- CN110963447A CN110963447A CN201811154821.5A CN201811154821A CN110963447A CN 110963447 A CN110963447 A CN 110963447A CN 201811154821 A CN201811154821 A CN 201811154821A CN 110963447 A CN110963447 A CN 110963447A
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- fork
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
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- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Warehouses Or Storage Devices (AREA)
Abstract
The invention relates to the field of automatic warehousing systems, in particular to a double-deep pallet fork, which comprises a lower fork, a three-fork, a two-fork and an upper fork which are sequentially connected in a sliding manner, wherein the lower fork is provided with a driving mechanism with a driving gear, the lower side of the three-fork is provided with a rack which is meshed with the driving gear, a first near-end pulley, a first far-end pulley and a first driving chain are arranged on the three forks, one end of the first driving chain is fixed on the lower fork, one of the first driving chains is fixedly connected with the far end of the fork after bypassing the first near-end pulley, the other one of the first driving chains is fixedly connected with the near end of the fork after bypassing the first far-end pulley, the fork is provided with a second near-end pulley, a second far-end pulley and a second driving chain, one end of the second driving chain is fixed on the fork, and one of the second driving chains is fixedly connected with the far end of the upper fork after bypassing the second near-end pulley, and the other second driving chain is fixedly connected with the near end of the upper fork after bypassing the second far-end pulley. The invention can accurately control the stroke ratio and improve the space utilization rate.
Description
Technical Field
The invention relates to the field of automatic storage systems, in particular to a double-deep-position fork.
Background
In the prior art, a stacker is a main working device for executing goods storage and taking in an automatic three-dimensional warehouse system, a fork is a core component for executing goods storage and taking actions on the stacker, the structure and the form of the fork can directly influence the goods storage and taking efficiency and the space utilization rate of the automatic three-dimensional warehouse system, most of three-dimensional warehouses adopt a single deep-position fork, a single stacker can only be responsible for the storage and taking work of two rows of goods shelves, and the storage and taking efficiency and the space utilization rate of the three-dimensional warehouse system are still further improved.
Disclosure of Invention
The invention aims to provide a double-deep-position fork, which comprises an upper fork, a two fork, a three fork and a lower fork, wherein the forks stretch out and draw back in a large range to realize double-deep-position goods access, meanwhile, the stroke ratio can be accurately controlled, the positioning is accurate, the reliability is high, and the access efficiency and the space utilization rate are further improved.
The purpose of the invention is realized by the following technical scheme:
a double-deep pallet fork comprises a lower fork, a three-fork, a two-fork and an upper fork which are sequentially connected in a sliding manner, wherein a driving mechanism with a driving gear is arranged on the lower fork, a rack is arranged on the lower side of the three-fork and is meshed with the driving gear, a first near-end pulley, a first far-end pulley and a first driving chain are arranged on the three forks, the first driving chain is fixedly connected with the lower forks, one first driving chain is fixedly connected with the far end of the fork after bypassing the first near-end pulley, the other first driving chain is fixedly connected with the near end of the fork after bypassing the first far-end pulley, the fork is provided with a second near-end pulley, a second far-end pulley and a second driving chain which are fixedly connected with the fork, and one of the second driving chains is fixedly connected with the far end of the upper fork after bypassing the pulley at the second near end, and the other second driving chain is fixedly connected with the near end of the upper fork after bypassing the pulley at the second far end.
Actuating mechanism includes drive arrangement, sprocket chain subassembly and gear assembly, the input of gear assembly is equipped with input gear, input gear passes through the drive arrangement drive is rotatory, just drive arrangement passes through sprocket chain subassembly transmission torque, the gear assembly includes a plurality of intermediate gears and a plurality of drive gear, just intermediate gear and drive gear are a line of crisscross setting and mesh in proper order, are close to the drive gear of drive arrangement one end with input gear meshes.
When the fork is fully extended, at least one driving gear is meshed with the rack on the lower side of the fork.
And a stop block is arranged at the far end of the rack.
The outer walls of two sides of the three fork are provided with three fork outer chutes, two sides of the lower fork are provided with lower fork rollers which roll along the three fork outer chutes of the corresponding sides respectively, two fork inner chutes are arranged on the inner walls of two sides of the two fork, three fork pulleys are arranged on the outer walls of two sides of the three fork and roll along the two fork inner chutes of the corresponding sides respectively, two fork outer chutes are arranged on the outer walls of two sides of the two fork, and upper fork rollers are arranged on two sides of the upper fork and roll along the two fork outer chutes of the corresponding.
The upper side of the three fork is provided with a plurality of chain grooves, and the first driving chain and the second driving chain respectively move along the corresponding chain grooves.
The invention has the advantages and positive effects that:
1. the invention comprises an upper fork, a two fork, a three fork and a lower fork, realizes large-range expansion among the forks, can also accurately ensure the stroke ratio, has accurate positioning and high reliability, and further improves the access efficiency and the space utilization rate.
2. The invention leads the structure of the working part of the fork to be more compact, realizes more ideal width-height ratio and does not occupy too much space.
Drawings
Figure 1 is a schematic structural view of the present invention,
figure 2 is a schematic view of the lower fork structure of figure 1,
figure 3 is a schematic diagram of the three-prong structure of figure 2,
fig. 4 is a view taken along direction a in fig. 3.
The driving device comprises a base, a driving device, a gear assembly, a driving device, a gear assembly, a driving gear, a middle gear, a rack, a gear stopping block, a driving device and a driving device, wherein 1 is an upper fork, 2 is a fork, 201 is a second driving chain, 202 is a two-fork outer sliding groove, 203 is a two-fork inner sliding groove, 3 is a three fork, 301 is a first driving chain, 302 is a three-fork pulley, 303 is a three-fork outer sliding groove, 304 is a first near-end pulley, 305 is a first far-end pulley, 306 is.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the present invention comprises a lower fork 4, a three fork 3, a two fork 2 and an upper fork 1, wherein a driving mechanism is arranged on the lower fork 4, and as shown in fig. 2, the driving mechanism comprises a gear assembly 6, the gear assembly 6 comprises a driving gear 601, the three fork 3 is movably arranged on the upper side of the lower fork 4, the lower side of the three fork 3 is provided with a rack 7 engaged with the driving gear 601, the two fork 2 is movably arranged on the upper side of the three fork 3, and as shown in fig. 3 to 4, the three fork 3 is provided with a first proximal pulley 304, a first distal pulley 305 and two first driving chains 301, and one end of each of the two first driving chains 301 is fixed on the lower fork 4, one of the first driving chains 301 bypasses the first proximal pulley 304 and is fixedly connected with the distal end of the two fork 2, the other first driving chain 301 bypasses the first distal pulley 305 and is fixedly connected with the proximal end, in this embodiment, the near end is close to 4 one ends of the lower fork, the far end is far away from 4 one ends of the lower fork, the upper fork 1 is movably arranged on the upper side of the two forks 2, the two forks 2 are provided with a second near-end pulley, a second far-end pulley and two second driving chains 201, one end of each of the two second driving chains 201 is fixed on the three forks 3, one of the second driving chains 201 is fixedly connected with the far end of the upper fork 1 after bypassing the second near-end pulley, and the other second driving chain 201 is fixedly connected with the near end of the upper fork 1 after bypassing the second far-end pulley.
As shown in fig. 1-2, the driving mechanism includes a driving device 9, a sprocket chain assembly 5 and a gear assembly 6, an input gear is disposed at an input end of the gear assembly 6, a driving sprocket 501 in the sprocket chain assembly 5 is mounted on an output shaft of the driving device 9, a driven sprocket 503 is coaxially and fixedly connected with the input gear, and the driving sprocket 501 and the driven sprocket 503 are connected by a transmission chain 502. As shown in fig. 1-2, the gear assembly 6 includes an input gear, a plurality of intermediate gears 602 and a plurality of driving gears 601, the intermediate gears 602 and the driving gears 601 are arranged in a line and are meshed in sequence, and the driving gears 601 near one end of the driving device 9 are meshed with the input gear. When the driving mechanism works, the driving device 9 drives the input gear to rotate through the chain wheel and chain assembly 5, the input gear further drives each intermediate gear 602 and the driving gear 601 to rotate, all the driving gears 601 can be meshed with the racks 7 on the lower sides of the three forks 3, and when the fork extends out completely, at least one driving gear 601 is meshed with the racks 7, so that the required telescopic stroke is achieved. In addition, as shown in fig. 1, a stop block 8 is arranged at the far end of the rack 7 to realize the stop of the three fork 3. In this embodiment, the driving device 9 is a motor.
As shown in fig. 2, lower fork rollers 401 are disposed on both sides of the lower fork 4, as shown in fig. 3, a three-fork outer sliding groove 303 for the lower fork roller 401 on the corresponding side to roll is disposed on the lower half portion of the outer wall on both sides of the three fork 3, and a three-fork pulley 302 is disposed on the upper half portion of the outer wall on both sides of the three fork 3, as shown in fig. 1, a two-fork inner sliding groove 203 for the three-fork pulley 302 on the corresponding side to roll is disposed on the inner wall on both sides of the two fork 2, a two-fork outer sliding groove 202 is disposed on the outer wall on both sides of the two fork 2, and an upper fork roller is.
As shown in fig. 3 to 4, a plurality of chain grooves 306 are formed on the upper side of the three forks 3, and when the forks extend and contract, the first driving chain 301 and the second driving chain 201 respectively move along the corresponding chain grooves 306.
The working principle of the invention is as follows:
when the telescopic fork is in operation, the input gear in the gear assembly 6 is driven to rotate through the driving device 9, so that each driving gear 601 in the gear assembly 6 is driven to rotate, all the driving gears 601 can be meshed with the racks 7 on the lower sides of the three forks 3, and when the fork is completely extended, at least one driving gear 601 is meshed with the racks 7, so that the required telescopic stroke is achieved.
As shown in fig. 3 to 4, the lower fork 4, the three forks 3, the fork 2 and the upper fork 1 are sequentially connected in a sliding manner, so as to achieve the extension and retraction of the fork, a first proximal end pulley 304 and a first distal end pulley 305 are respectively arranged at two ends of the three forks 3, the first proximal end pulley 304 and the first distal end pulley 305 are arranged at different sides of the three forks 3, one end of each of two first driving chains 301 is fixed on the lower fork 4, one of the first driving chains 301 bypasses the first proximal end pulley 304 and is fixedly connected with the distal end of the fork 2, the other first driving chain 301 bypasses the first distal end pulley 305 and is fixedly connected with the proximal end of the fork 2, when the fork is extended, the three forks 3 are driven to move forward by the driving gear 601 and the rack 7, at the moment, the first distal end pulley 305 drives the upper fork 2 to extend by the corresponding first driving chain 301, when the fork is retracted, the first proximal end pulley 304 moves backward and drives the upper fork 2 to retract by the corresponding first driving chain 301, so that the two forks 2 and the three forks 3 extend and contract in a stroke ratio of 2:1 relative to the lower fork 4, and in the same way, when the two forks 2 move forwards, the upper fork 1 is driven to extend by using the second far-end pulley and the corresponding second driving chain 201, and when the two forks 2 move backwards, the upper fork 1 is driven to retreat by using the second near-end pulley and the corresponding second driving chain 201, so that the upper fork 1 and the two forks 2 extend and contract in the stroke ratio of 2:1 relative to the three forks 3, and the accurate stroke ratio of the upper fork 1, the two forks 2 and the three forks 3 relative to the lower fork 4 is 3:2:1 after the assembly.
As shown in fig. 1, the widths of the lower fork 4 and the two fork 2 are both larger than the width of the three fork 3, the width of the upper fork 1 is larger than the width of the two fork 2, and the upper side of the three fork 3 is provided with a plurality of parallel chain grooves 306 for the embedded movement of each driving chain, which all make the working part of the fork more compact, realize a more ideal aspect ratio and not occupy too much space.
The invention detects whether the pallet fork is stretched in place through the encoder, and in addition, when the pallet fork is centered, the centering electric detection device respectively detects the upper fork 1 and the two forks 2, thereby further improving the use safety of the pallet fork, ensuring the center alignment when the upper fork 1 and the two forks 2 are centered, and improving the use safety of the invention. Both the encoder and the centering electrical detection means are well known in the art.
Claims (6)
1. The utility model provides a two deep position forks which characterized in that: the three-fork driving mechanism comprises a lower fork (4), a three fork (3), a two fork (2) and an upper fork (1) which are sequentially connected in a sliding manner, wherein a driving mechanism with a driving gear (601) is arranged on the lower fork (4), a rack (7) is arranged on the lower side of the three fork (3) and meshed with the driving gear (601), a first near-end pulley (304), a first far-end pulley (305) and a first driving chain (301) are arranged on the three fork (3), the first driving chain (301) is fixedly connected with the lower fork (4), one of the first driving chains (301) bypasses behind the first near-end pulley (304) and is fixedly connected with the far end of the two fork (2), the other first driving chain (301) bypasses behind the first far-end pulley (305) and is fixedly connected with the near end of the two fork (2), a second near-end pulley, a second far-end pulley and a second driving chain (201) are arranged on the two fork (2), and the second driving chain (201) is fixedly connected with the three fork (3), and one of the second driving chains (201) is fixedly connected with the far end of the upper fork (1) after passing around the second near-end pulley, and the other second driving chain (201) is fixedly connected with the near end of the upper fork (1) after passing around the second far-end pulley.
2. The double deep level fork of claim 1, wherein: actuating mechanism includes drive arrangement (9), sprocket chain subassembly (5) and gear assembly (6), the input of gear assembly (6) is equipped with input gear, input gear passes through drive arrangement (9) drive is rotatory, just drive arrangement (9) pass through sprocket chain subassembly (5) transmission torque, gear assembly (6) include a plurality of intermediate gear (602) and a plurality of drive gear (601), just intermediate gear (602) and drive gear (601) are a line of crisscross setting and mesh in proper order, are close to drive gear (601) of drive arrangement (9) one end with input gear meshes.
3. The double deep level fork of claim 2, wherein: when the fork is fully extended, at least one driving gear (601) is meshed with a rack (7) on the lower side of the three forks (3).
4. The double deep level fork of claim 1 or 3, wherein: and a stop block (8) is arranged at the far end of the rack (7).
5. The double deep level fork of claim 1, wherein: outer spout (303) outside trident are equipped with to trident (3) both sides outer wall, lower fork (4) both sides are equipped with down fork gyro wheel (401) and roll along the outer spout (303) of trident of corresponding side respectively, be equipped with in the inner wall of bifurcation (2) both sides two and slide groove (203), be equipped with trident pulley (302) in trident (3) both sides outer wall and roll along the interior spout (203) of the bifurcation of corresponding side respectively, be equipped with two outer spouts (202) of bifurcation in bifurcation (2) both sides outer wall, be equipped with on fork gyro wheel in last fork (1) both sides and roll along the outer spout (202) of the bifurcation of corresponding side respectively.
6. The double deep level fork of claim 1, wherein: the upper side of the three fork (3) is provided with a plurality of chain grooves (306), and the first driving chain (301) and the second driving chain (201) respectively move along the corresponding chain grooves (306).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811154821.5A CN110963447A (en) | 2018-09-30 | 2018-09-30 | Double-deep-position fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811154821.5A CN110963447A (en) | 2018-09-30 | 2018-09-30 | Double-deep-position fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110963447A true CN110963447A (en) | 2020-04-07 |
Family
ID=70028213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811154821.5A Withdrawn CN110963447A (en) | 2018-09-30 | 2018-09-30 | Double-deep-position fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110963447A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027978A (en) * | 2020-09-18 | 2020-12-04 | 杭州巨象智能物联科技有限公司 | Telescopic fork |
| CN114229748A (en) * | 2021-12-24 | 2022-03-25 | 深圳市华阳通达精密机械有限公司 | Over-center fork device |
| CN114572905A (en) * | 2022-03-21 | 2022-06-03 | 中研技术有限公司 | Double-deep-position fork |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0858921A (en) * | 1994-08-26 | 1996-03-05 | Daifuku Co Ltd | Multiple stage fork device and taking in/out device provided with multiple stage fork device |
| CN202099022U (en) * | 2011-06-03 | 2012-01-04 | 广运机电(苏州)有限公司 | Double-stretching pallet fork |
| CN202272700U (en) * | 2011-09-10 | 2012-06-13 | 山西东杰智能物流装备股份有限公司 | Fork type weight-shifting mechanism |
| CN202766232U (en) * | 2012-09-05 | 2013-03-06 | 苏州富士德物流设备有限公司 | Double-extending fork |
| CN204324824U (en) * | 2014-11-13 | 2015-05-13 | 杭州德创电子有限公司 | Formula positioning multi-level bidirectional-movement retractable fork embraced by folder |
| CN207759985U (en) * | 2018-01-19 | 2018-08-24 | 沈阳新松机器人自动化股份有限公司 | Agile type refers to formula pallet fork |
-
2018
- 2018-09-30 CN CN201811154821.5A patent/CN110963447A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0858921A (en) * | 1994-08-26 | 1996-03-05 | Daifuku Co Ltd | Multiple stage fork device and taking in/out device provided with multiple stage fork device |
| CN202099022U (en) * | 2011-06-03 | 2012-01-04 | 广运机电(苏州)有限公司 | Double-stretching pallet fork |
| CN202272700U (en) * | 2011-09-10 | 2012-06-13 | 山西东杰智能物流装备股份有限公司 | Fork type weight-shifting mechanism |
| CN202766232U (en) * | 2012-09-05 | 2013-03-06 | 苏州富士德物流设备有限公司 | Double-extending fork |
| CN204324824U (en) * | 2014-11-13 | 2015-05-13 | 杭州德创电子有限公司 | Formula positioning multi-level bidirectional-movement retractable fork embraced by folder |
| CN207759985U (en) * | 2018-01-19 | 2018-08-24 | 沈阳新松机器人自动化股份有限公司 | Agile type refers to formula pallet fork |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112027978A (en) * | 2020-09-18 | 2020-12-04 | 杭州巨象智能物联科技有限公司 | Telescopic fork |
| CN114229748A (en) * | 2021-12-24 | 2022-03-25 | 深圳市华阳通达精密机械有限公司 | Over-center fork device |
| CN114572905A (en) * | 2022-03-21 | 2022-06-03 | 中研技术有限公司 | Double-deep-position fork |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200407 |
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