CN101885456A - Telescopic fork - Google Patents
Telescopic fork Download PDFInfo
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- CN101885456A CN101885456A CN 201010210109 CN201010210109A CN101885456A CN 101885456 A CN101885456 A CN 101885456A CN 201010210109 CN201010210109 CN 201010210109 CN 201010210109 A CN201010210109 A CN 201010210109A CN 101885456 A CN101885456 A CN 101885456A
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Abstract
The invention discloses a telescopic fork. Lower roll bearings of two groups of middle forks slide freely in fixed guide rails; upper roll bearings of two middle forks are positioned in movable guide rails of upper forks; and the two groups of middle forks are positioned at the middle parts of the fixed guide rails on a lower fork respectively. Two main chain wheels of a transmission system are positioned at the two ends of a first step of a transmission shaft respectively; the central line of one main chain wheel overlaps with that of a group of end chain wheel sets on the lower fork; the central line of the other main chain wheel overlaps with that of the other group of end chain wheel sets on the lower fork; and two bearings with seats are arranged at the lower parts of two U-shaped plates of a motor retaining plate respectively. An end retaining plate and a retaining plate are provided with limiters respectively. Through the roll bearings and the rails, the entire telescopic fork is light, convenient and flexible to move; and the travel of the fork is controlled by the limiters, so that the fork has the characteristics of compact structure, high working efficiency, safety and practicability.
Description
Technical field
The present invention relates to a kind of cargo transparting device, specifically is a kind of pallet fork that can stretch.
Background technology
Piler is the nucleus equipment of automatic stereowarehouse, and pallet fork is the topmost device of piler access goods.
In application number is 200810227140.7 patent of invention, a kind of fork mechanism of stacker has been proposed.This mechanism comprises lower fork, middle fork, goes up fork and support mechanism.Because rail accurately docks on energy of the load-bearing rail in the support mechanism and the shelf, this fork mechanism can be used for piler access large scale and the bigger goods of weight.Yet, therefore there are complex structure and expensive shortcoming owing to special-purpose load-bearing rail being arranged in this mechanism and need in shelf, being provided with and load-bearing rail bonded assembly rail.Very uneconomical practicality when the less and weight of access cargo size is little.
In application number is 200520135412.2 utility model patent, a kind of thin goods fork of stacking machine has been proposed, this pallet fork adopt telescopiform structure solved unreasonable structure in original pallet fork to a certain extent, from problem such as great.But owing to do not set end position, safe and practical property is restricted during pallet fork access goods.Still exist simultaneously structure not compact, two stretch the slightly nonsynchronous problem of fork.
Summary of the invention
For overcome exist in the prior art or complex structure cost an arm and a leg, perhaps stretch the slightly nonsynchronous deficiency of fork for two, the present invention proposes a kind of pallet fork that can stretch.
The present invention includes on the driving system, lower fork, two groups in fork and two groups and pitch; The following roller bearing of fork both sides, bottom is embedded in down respectively in the fixed guide of sticking in two groups, and can be free to slide in fixed guide; The upper roller bearing of sticking the portion both sides in two is embedded in respectively in the impossible font groove of the movable guiding rail of sticking facing each other, and can be free to slide in movable guiding rail; Fork lays respectively at down the middle part of two pairs of fixed guides sticking in two groups; Driving system comprises reducing motor, active coupler, passive coupler, head sprocket, rolling bearing units, stepped transmission shaft and the middle fork driving chain that links to each other with the lower fork motor fixing plate and goes up the fork driving chain; Two head sprockets lay respectively at the two ends on transmission shaft first rank, and the line of centers of one of them head sprocket and the central lines that is positioned at one group of end chain wheel set of sticking down, the line of centers of another head sprocket and the central lines that is positioned at another group end chain wheel set of sticking down; Two rolling bearing units are installed in the bottom of two " U " shape plates of motor fixing plate respectively.
Described lower fork comprises four trapped orbits, four end chain wheel set, an end adapter plate, four middle part adapter plates, four middle part chain wheel set, a motor fixing plate and two limiting devices; Wherein, four trapped orbits are divided into two groups, and the impossible font groove of every group of trapped orbit is relative in twos; The two ends of two groups of trapped orbits are separately fixed on end adapter plate and the motor fixing plate; Four middle part adapter plates lay respectively at middle part, two groups of trapped orbit belows, and are symmetrical in the longitudinal plane of symmetry of trapped orbit; Four middle part chain wheel set are positioned at two groups of trapped orbits, be separately fixed on the middle part adapter plate, and four middle part chain wheel set lay respectively at the both sides of the line of centers of residing trapped orbit; On the end at two groups of trapped orbit two ends adapter plate and motor fixing plate, be fixed with the end chain wheel set respectively, and each end chain wheel set lays respectively on the line of centers of this group trapped orbit; A limiting device is fixed on the end adapter plate of one group of trapped orbit one end, and another limiting device is fixed on the motor fixing plate of another group trapped orbit one end, and the line of centers of each limiting device flushes with longitudinal center's face of middle forked standard bottom riser; Trapped orbit connecting bore on motor fixing plate and the end adapter plate is corresponding one by one with chain wheel set connecting bore position, end; Limiting device mounting hole on motor fixing plate and the end adapter plate is also corresponding one by one.
In described fork comprise middle forked standard, turn to sprocket wheel, the upper roller bearing, down roller bearing, turn to sprocket shaft, middle fork chain afterbody adaptor union, middle fork chain head Connection Block and go up the fork chain Connection Block; Wherein, in both sides, middle forked standard top three groups of upper roller bearings are installed, both sides are equipped with down roller bearing in the middle of the middle forked standard bottom, and the end axle of time roller bearing and upper roller bearing all with middle forked standard on the axis hole interference fit; Middle fork chain afterbody adaptor union and middle fork chain head Connection Block are arranged in forked standard lower surface middle part; In " U " shape groove of middle forked standard lower surface two ends, middle forked standard line of centers both sides, be connected with the fork chain Connection Block; Be equipped with in the middle forked standard openings at two ends groove and turn to sprocket shaft and turn to sprocket wheel.
On every group fork include two movable rail, on pitch connecting panel and two pairs and go up fork chain permanent seat and connecting screw rod; The impossible font groove of two movable rail in twos relatively and be separately fixed at the dual-side of pitching the connecting panel surface; Last fork chain permanent seat is fixed on the two ends of fork connecting panel, and lays respectively at fork connecting panel line of centers both sides on this; Connecting screw rod passes fork chain permanent seat head through hole and locking.
The upper surface of forked standard is a bathtub construction in described, has a pair of " U " shape groove in the lower surface line of centers bilateral symmetry of middle forked standard, at middle forked standard two ends open slot is arranged; Be fixed with riser respectively in both sides, middle forked standard lower surface middle part, at the pin-and-hole that has roller bearing under the installation on this riser; Have three groups of upper roller bearing pin-and-holes on the both sides cell wall of middle forked standard; There is the connecting bore of middle fork chain afterbody adaptor union and middle fork chain head Connection Block at the lower surface middle part of middle forked standard; The mounting hole that last fork chain Connection Block is all arranged in " U " shape groove of the middle forked standard lower surface that turns to sprocket shaft one end is installed.
The described two ends that turn to sprocket shaft have through hole respectively for dull and stereotyped on this flat board, will turn to chain rivet to be cemented on the middle forked standard openings at two ends groove by this through hole; Turn to sprocket wheel to be contained in and turn on the sprocket shaft, and interference fit between the two.
The present invention is when work, lower fork maintains static, fork was done relative motion along being located at down the fixed guide of sticking during the following roller bearing of being located at fork both sides, bottom drove, and simultaneously, was located at the movable guiding rail of sticking and drove and go up the upper roller bearing of sticking the portion both sides in the fork edge and move with respect to middle fork.During the motor clickwise, transmission shaft drives the head sprocket clockwise and rotates, and pitches during middle fork driving chain drives by the end chain wheel set to move right; Fork drives and goes up the fork driving chain and move right simultaneously, on pitch driving chain by the middle part chain wheel set and walk around and turn to sprocket wheel to drive fork again to move right with the speed that fork in doubling moves.Owing on the motor fixing plate of lower fork and end adapter plate, be respectively equipped with limiting device; and being the degree of depth according to goods lattice in the shelf, limiting device position on adapter plate is provided with; therefore; the motion of middle fork will be restricted; when central fork moved to the position of limiting device, middle fork will touch limit switch forced reducing motor to be shut down, like this; last fork arrives the limit on the right-right-hand limit position, finishes the pallet fork right side and stretches.Otherwise, during the motor left-hand revolution, finish a pallet fork left side and stretch; During the pallet fork withdrawal, opposite with above-mentioned sense of motion.By above-mentioned motion, realized pallet fork along left and right sides both direction by the end position of setting access goods freely.
Because the present invention is provided with roller bearing in middle fork both sides, roller bearing is arranged within the movable rail and the trapped orbit of lower fork of fork, make the whole fork of stretching move light, flexible, and because the stroke of last fork is 2 times of middle fork stroke always, be convenient to the total kilometrage of accurate Calculation pallet fork, to provide greatly convenient with the correct access goods of equipment such as piler.Simultaneously, owing on the motor fixing plate of lower fork and end adapter plate, established limiting device respectively, make the present invention have compact conformation, high efficiency and safe and practical characteristics according to the degree of depth of goods lattice in the shelf.
Description of drawings
Accompanying drawing 1 is a pallet fork axis of no-feathering mapping;
Accompanying drawing 2 is pallet fork structure left side views;
Accompanying drawing 3 is lower fork axis of no-feathering mappings;
Accompanying drawing 4 is lower fork structure birds-eye vieies;
Accompanying drawing 5 is trapped orbit scheme drawings;
Accompanying drawing 6 is end chain wheel set scheme drawings;
Accompanying drawing 7 is end chain pulley seat scheme drawings
Accompanying drawing 8 is end adapter plate scheme drawings;
Accompanying drawing 9 is middle part chain wheel set scheme drawings;
Accompanying drawing 10 is middle part chain pulley seat scheme drawings
Accompanying drawing 11 is middle part adapter plate scheme drawings;
Accompanying drawing 12 is motor fixing plate scheme drawings;
Accompanying drawing 13 is limiting device scheme drawings;
Accompanying drawing 14 is middle forked standard axonometric drawings;
Accompanying drawing 15 is middle forked standard top views;
Accompanying drawing 16 is middle forked standard left side views;
Accompanying drawing 17 is to turn to the sprocket shaft scheme drawing;
Accompanying drawing 18 is middle fork chain head Connection Block scheme drawings;
Accompanying drawing 19 is middle fork shaft mappings;
Accompanying drawing 20 is stuck view in being;
Accompanying drawing 21 is middle fork left side views;
Accompanying drawing 22 is middle fork chain afterbody adaptor union scheme drawings;
Accompanying drawing 23 is middle fork chain tail connecting seat scheme drawings;
Accompanying drawing 24 is connecting screw rod scheme drawings;
Accompanying drawing 25 is movable rail scheme drawings;
Accompanying drawing 26 is to go up fork chain Connection Block scheme drawing;
Accompanying drawing 27 is to go up fork chain permanent seat scheme drawing;
Accompanying drawing 28 is to go up the fork shaft mapping;
Accompanying drawing 29 is stuck view on being;
Accompanying drawing 30 is to go up fork connecting panel scheme drawing;
Accompanying drawing 31 is transmission shaft scheme drawings;
Accompanying drawing 32 is that middle fork driving chain is installed and the transmission scheme drawing;
Accompanying drawing 33 is to go up the fork driving chain to install and the transmission scheme drawing.
In the upper fork 2. fork 3. lower forks 4. reducing motors 5. initiatively in shaft couplings 6. passive shaft coupling 7. head sprockets 8. on fork driving chain 9. rolling bearing units 10. power transmission shafts 11. fork driving chain 12. trapped orbits 13. end chain wheel set 14. end fixed heads 15. middle part chain wheel set 16. middle part fixed heads 17. motor fixing plates 18. stops 19 middle part chain pulley seats 20. middle part sprocket wheels 21 turn in the sprocket wheel 22. 24. times roller bearings 25. of forked standard 23. upper roller bearings to turn in the sprocket shaft 26. in the fork chain afterbody connector 27. on the fork chain head Connection Block 28. in the fork chain Connection Block 29. end chain pulley seats 30. end sprocket wheels 31. on fork chain tail connecting seat 32. connecting screw rods 33. movable rail 34. fork chain holder on the fork connecting plate 35.
The specific embodiment
Present embodiment be a kind of can about flexible pallet fork, comprise driving system, a cover lower fork 3 identical with two nested structures go up fork 1 and middle fork 2.
The following roller bearing 24 of fork both sides, 2 bottom is embedded in respectively in the fixed guide 12 on the lower fork 3 in two, and can be free to slide in fixed guide 12.The upper roller bearing 23 of fork both sides, 2 top is embedded in respectively in the impossible type groove movable guiding rail of pitching on 1 33 facing each other in two, and can be free to slide in movable guiding rail 33.Fork 2 lays respectively at the middle part of two pairs of fixed guides 12 on the lower fork 3 in two groups.Driving system comprises the reducing motor 4 that links to each other with lower fork motor fixing plate 17, initiatively fork driving chain 8 and four go up fork driving chains 11 among coupler 5, passive coupler 6, head sprocket 7, rolling bearing units 9, transmission shaft 10 and two.Be positioned at the line of centers and the central lines that is positioned at one group of end chain wheel set 13 on the lower fork 3 of the head sprocket 7 at one end place, transmission shaft 10 first rank; The line of centers of another head sprocket 7 at other end place and the central lines that is positioned at another group end chain wheel set 13 on the lower fork 3.Two rolling bearing units 9 are installed in the bottom of two " U " templates of motor fixing plate 17 respectively.
As shown in Figure 3, Figure 4, described lower fork 3 comprises four trapped orbits 12, four end chain wheel set 13, end adapter plate 14, four middle part adapter plates 16, four middle part chain wheel set 15, motor fixing plate 17 and two limiting devices 18.Wherein, four trapped orbits 12 are divided into two groups, and the impossible font groove of every group of trapped orbit 12 is relative in twos.The two ends of two groups of trapped orbits 12 are separately fixed on end adapter plate 14 and the motor fixing plate 17.Four middle part adapter plates 16 are symmetrical in the longitudinal plane of symmetry of trapped orbit 12, and are fixed on the tapped bore at trapped orbit 12 middle parts respectively by screw threads for fastening middle part below two groups of trapped orbits 12.On four middle part adapter plates 16, be fixed with a middle part chain wheel set 15 respectively; Four middle part chain wheel set 15 stagger mutually, and its installation site lays respectively at the both sides of the line of centers of residing trapped orbit 12.Four end chain wheel set 13 are divided into two groups, and first group is positioned at trapped orbit 12 1 ends, are fixed on the end adapter plate 14, and all are positioned on two groups of trapped orbit 12 line of centerss; Second group is positioned at trapped orbit 12 other ends, is fixed on the motor fixing plate 17, also lays respectively on two groups of trapped orbit 12 line of centerss.Each end at two groups of trapped orbits 12 is separately installed with limiting device 18, is separately fixed on an end adapter plate 14 and the motor fixing plate 17; Limiting device 18 lays respectively between one group of trapped orbit 12, and its line of centers is positioned at the center of the longitudinal plane of symmetry of the plane of the opening of residing trapped orbit 12 near the end and middle part chain wheel set 15; Lower fork 3 cooperates installation with middle fork 2 after, the line of centers of limiting device 18 flushes with longitudinal center's face of the riser of middle forked standard 22 bottoms.Trapped orbit 12 connecting bores on motor fixing plate 17 and the end adapter plate 14 are corresponding one by one with end chain wheel set 13 connecting bore positions.Limiting device 18 mounting holes on motor fixing plate 17 and the end adapter plate 14 are also corresponding one by one.
The cross section of four trapped orbits 12 is impossible font; The one side is distributed with 6 groups of totally 12 tapped bore, and two groups of tapped bore at two ends are used to connect end adapter plate 14 and motor fixing plate 17, and two groups of tapped bore at middle part are used for connecting middle part adapter plate 16.Remaining two groups of tapped bore is used to connect loading platform.
As shown in figure 11, four middle part adapter plates 16 are dull and stereotyped, and its two ends have four through holes that are connected and fixed track 12 respectively, and there is the aperture of two connection middle part chain wheel set 15 centre.
As shown in Figure 8, end adapter plate 14 is a slab construction.Trapped orbit 12 connecting bores that are placed with eight perforations at the middle part and the two ends on end adapter plate 14 surfaces; Be furnished with two groups of totally four end chain wheel set 13 connecting bores near the punishment of adapter plate 14 two ends, end, and this end chain wheel set connecting bore is between two groups of trapped orbit 12 connecting bores.One end surfaces of end adapter plate 14 also has a rectangular opening and two tapped bore, and its effect is from the bottom of end adapter plate 14 limiting device 18 to be installed, and limiting device 18 is fixed on the end adapter plate 14.
Totally two of limiting devices 18.As shown in figure 13, limiting device 18 is made up of permanent seat and adjusting bolt and nut.Permanent seat is
Structure is symmetrically distributed with two through holes fixing with end adapter plate 14 or motor fixing plate 17 on the horizontal plate.Have on the diaphragm plate via hole of regulating bolt is installed.
As shown in figure 12, motor fixing plate 17 is combined by dull and stereotyped and three " U " templates, at the middle part of the planar surface of motor fixing plate 17 and trapped orbit 12 connecting bores that two ends are placed with eight perforations; Be furnished with two groups of totally four end chain wheel set 13 connecting bores near the punishment of motor fixing plate 17 two ends, and this end chain wheel set connecting bore is between two groups of trapped orbit 12 connecting bores.A dull and stereotyped end also has a rectangular opening and two tapped bore, and its effect is from the bottom of motor fixing plate 17 flat boards limiting device 18 to be installed, and limiting device 18 is fixed on motor fixing plate 17 flat boards.Motor fixing plate 17 dull and stereotyped longitudinal centerline one sides have two rectangle slotted eyes, are used for by fork driving chain 8; And the position of this rectangle slotted eye is with the position correspondence of end chain wheel set 13.
Three " U " templates of motor fixing plate 17 are positioned at dull and stereotyped bottom, be installed in the below of two groups of tracks of lower fork when motor fixing plate 17 after, wherein the position of two " U " templates is corresponding with two groups of trapped orbits 12 respectively, and the position of another " U " template is positioned at an end of motor fixing plate 17.Four through holes that connect two pairs of rolling bearing units 9 are arranged respectively at two " U " template bottoms that are positioned at two groups of track belows, and four through holes that connect reducing motor 4 are arranged at " U " template bottom that is positioned at motor fixing plate 17 1 ends.
As shown in Figure 6, end chain wheel set 13 is made up of end chain pulley seat 29 and end sprocket wheel 30.As shown in Figure 7, end chain pulley seat 29 is " U " type bending thin-wall part, respectively has a rectangle slotted eye in an end and the centre of end chain pulley seat 29 bottoms, and its effect is to pitch driving chain 8 and end sprocket wheel 30 tight engagement by middle fork driving chain 8 and in making.Be symmetrically distributed with two through holes of fastening end sprocket wheel 30 sprocket shafts on two side plates of bending part.
As shown in Figure 9, middle part chain wheel set 15 is made up of middle part chain pulley seat 19 and middle part sprocket wheel 20.The structure of middle part chain pulley seat 19 as shown in figure 10, it also is " U " type bending thin-wall part, middle part chain pulley seat 19 bottoms, one end and centre respectively have a rectangle slotted eye, and its effect is by last fork driving chain 11 and makes fork driving chain 11 and middle part sprocket wheel 20 tight engagement.Be symmetrically distributed with two through holes of fastening middle part sprocket wheel 20 sprocket shafts on two side plates of bending part.
Shown in Figure 19～21, middle fork 2 comprises middle forked standard 22, turns to sprocket wheel 21, upper roller bearing 23, down roller bearing 24, turn to sprocket shaft 25, middle fork chain afterbody adaptor union 26, middle fork chain head Connection Block 27 and go up fork chain Connection Block 28.Wherein, middle forked standard 22 is important component parts of pallet fork, is the transition piece that connects lower fork 3 and last fork 1.In both sides, middle forked standard 22 top three groups of upper roller bearings 23 are installed; Middle both sides, forked standard 22 bottom are equipped with down roller bearing 24, and one group of upper roller bearing 23 below in the middle of roller bearing 24 is positioned at down.Fork chain afterbody adaptor union 26 and middle fork chain head Connection Block 27 in middle forked standard 22 lower surfaces middle part is installed with; In " U " type groove of middle forked standard 22 lower surface two ends, middle forked standard 22 line of centers both sides, go up fork chain Connection Block 28 respectively by being threaded.Be equipped with in the middle forked standard 22 openings at two ends grooves and turn to sprocket shaft 25 and turn to sprocket wheel 21.
As Figure 14, Figure 15 and shown in Figure 16, middle forked standard 22 is that a upper surface is that bathtub construction, lower surface line of centers bilateral symmetry have the plate that a pair of " U " type groove and two ends have open slot; Be fixed with riser respectively in both sides, middle forked standard 22 lower surfaces middle part, at the pin-and-hole that has roller bearing 24 under the installation on this riser; The end axle interference fit of the pin-and-hole of following roller bearing 24 and following roller bearing 24; The height of riser is advisable with the height that contains the middle part chain wheel set 15 in the lower fork 3 fully.Middle forked standard 22 lower surfaces a pair of longitudinally " U " type groove is the walking space of going up fork driving chain 11.The groove of plate upper surface turns to the transmission after sprocket wheel 21 break-ins that the space is provided for last fork driving chain 11 passes through.Have three groups of upper roller bearing 23 pin-and-holes on the both sides cell wall of middle forked standard 22, go up the amount of deflection that fork stretches out middle fork Seat stay for reducing, the density of upper roller bearing 23 via holes at forked standard 22 two ends is greater than the density of one group of upper roller bearing 23 via hole in middle forked standard 22 middle parts in laying respectively at.The end axle interference fit of upper roller bearing 23 pin-and-holes and upper roller bearing 23.As shown in figure 15, there are affixed middle fork chain afterbody adaptor union 26 and middle fork chain head Connection Block 27 tapped bore in the lower surface of middle forked standard 22 middle part.The fixed tapped bore of going up fork chain Connection Block 28 in being installed, middle forked standard 22 lower surfaces " U " the type groove that turns to sprocket shaft 25 1 ends is arranged respectively.
As shown in figure 17, turning to sprocket shaft 25 is minor axises of a flat intermediate cylindrical in two ends, and the flat place at minor axis two ends has a through hole respectively, is used for turning to sprocket shaft 25 to be cemented in forked standard 22 openings at two ends grooves.Turn to sprocket wheel 21 to be contained in and turn on the sprocket shaft 25, and interference fit between the two.
As shown in figure 21, middle fork chain afterbody adaptor union 26 is made up of middle fork chain tail connecting seat 31, connecting screw rod 32 and nut.Middle fork chain tail connecting seat 31 is
The type structure, two through holes of symmetrical distribution are used for middle fork chain tail connecting seat 31 is cemented in the via hole that tie bolt 32 is installed is arranged the middle part of middle forked standard bottom surface on the diaphragm plate on the horizontal plate.Tie bolt 32 as shown in figure 23, it is the screw rod of a band oval head, there is the pin-and-hole of fork driving chain 8 end ends in the connection at oval head middle part.
As shown in figure 18, be symmetrically distributed on middle fork chain head Connection Block 27 horizontal plates two be used for fork chain head Connection Block 27 is cemented in the fixed orifice at middle part of forked standard bottom surface; Middle fork chain head Connection Block 27 middle part bossings have the pin-and-hole of fork driving chain 8 initiating terminals in the connection.The pin-and-hole of fork driving chain is vertical mutually with the axis of the fixed orifice of middle fork chain head Connection Block 27 in the connection.
As shown in figure 26, last fork chain Connection Block 28 horizontal directions have two through holes arranged side by side, the end of forked standard 22 bottoms a pair of " U " type grooves in being used for last fork chain Connection Block 28 is cemented in; The orthogonal pin-and-hole of fixed orifice with last fork chain Connection Block 28 is arranged in last fork chain Connection Block 28 ends, be used to connect and pitch driving chain 11 initiating terminals.
Last fork chain permanent seat 35 is the block cubes as Figure 27, and there are two through holes that run through on its surface, and will go up fork chain permanent seat 35 by this through hole with bolt and link together with last fork connecting panel 34.The middle part, side of last fork chain permanent seat 35 has the via hole of connecting screw rod 32.The line of centers of connecting screw rod 32 via holes is vertical mutually with the line of centers of last fork connecting panel 34 fixed orifices.
As shown in Figure 1 and Figure 2, the motor cabinet of reducing motor 4 uses bolt in the bottom of the motor fixing plate 17 of lower fork 3 end; The output shaft of reducing motor 4 is connected with active coupler 5.Rolling bearing units 9 respectively are equipped with at transmission shaft 10 middle parts, and these rolling bearing units 9 are fixed on the U type groove of motor fixing seat 17 bottoms with bolt by bearing seat.
Accompanying drawing 32 is installation and transmission scheme drawings of middle fork driving chain 8.The head end of middle fork driving chain 8 is connected on the middle fork chain afterbody adaptor union 26 of middle forked standard 22 bottom center, walk around a sprocket wheel 30 that is positioned at the end chain wheel set 13 on lower fork 3 connecting plate for electric motor 17, walk around head sprocket 7, after walking around another sprocket wheel 30 that is positioned at the end chain wheel set 13 on lower fork 3 connecting plate for electric motor 17 again, walk around and be positioned at end adapter plate 14 upper end chain wheel set 13, terminal pin-and-hole with the fork chain head Connection Block 27 that is arranged in forked standard 22 bottom center is fixed.Totally two groups of this cover drivings device, every group has fork driving chain 8 in, all is positioned on the longitudinal plane of symmetry of the fixed guide facing each other 12 on the lower fork 3.Can realize the relative motion of lower fork 3 and middle fork 2 by this cover driving device.
Accompanying drawing 33 is installation and transmission scheme drawings of going up fork driving chain 11.The head end of last fork driving chain 11 is connected on the last fork chain Connection Block 28 that is arranged in type groove end, forked standard 22 bottoms " U ", after walking around the pair of sprocket 20 of the middle part chain wheel set 15 that is positioned at lower fork 3 middle part adapter plates 16, by turning to sprocket wheel 21 in the forked standard 22 both ends open grooves in being installed on, terminal fixed with the pin-and-hole that is positioned at the connecting screw rod 32 of pitching connecting panel 34 bottoms one end.This totally two groups of driving device of cover, every group has two to go up fork driving chains 11, the middle fork that each is overlapped and on stick and respectively distribute two, these two go up fork driving chain 11 along in fork and go up the longitudinal plane of symmetry symmetry of fork.Can realize the relative motion of fork 1 and middle fork 2 by this cover driving device.
During use, lower fork 3 maintains static, be located at the fixed guide 12 that fork 2 edges are located on the lower fork 3 in following roller bearing 24 drives of pitching both sides, 2 bottom and do relative motion, simultaneously, be located at the movable guiding rail 33 of fork on 1 drive go up fork 1 along in the upper roller bearing 23 of fork both sides, 2 top move with respect to middle fork 2; According to principle of dynamics, middle fork 2 is with one times speed during with respect to lower fork 3 motions, on pitch 1 will be with the speed of fork 2 in doubling with respect to middle fork 2 motions, like this, on pitch 1 will be with three times speed with respect to lower fork 3 motions.During motor 4 clickwises, transmission shaft 10 drives head sprocket 7 clockwises and rotates, and fork 2 was to an end motion during middle fork driving chain 8 drove by end chain wheel set 13; Fork 2 drives and goes up fork driving chain 11 to same end motion simultaneously, on pitch driving chain 11 by middle part chain wheel set 15 and walk around and turn to sprocket wheel 21 to drive fork 1 again to pitch 2 speed of moving in doubling also to same end motion.Owing to be respectively equipped with limiting device 18 on the motor fixing plate 17 of lower fork 3 and end adapter plate 14, and to be the degree of depth according to goods lattice in the shelf be provided with in limiting device 18 position on adapter plate.Therefore, the motion of middle fork will be restricted, and when central fork moved to the position of limiting device 18, middle fork will touch limit switch forced reducing motor to be shut down, and like this, last fork reaches the limit of the position, finishes pallet fork and stretches out.Otherwise, during the motor left-hand revolution, finish pallet fork and stretch out to the other end; During the pallet fork withdrawal, opposite with above-mentioned sense of motion.By above-mentioned motion, realized that pallet fork is in two directions by the end position of setting access goods freely.
Claims (6)
1. the pallet fork that can stretch comprises driving system, lower fork (3), goes up fork (1) and middle fork (2), it is characterized in that, described upward fork (1) and middle fork (2) are two groups; The following roller bearing (24) of fork (2) both sides, bottom is embedded in respectively in the fixed guide (12) on the lower fork (3) in two groups, and can be free to slide in fixed guide (12); The upper roller bearing (23) of fork (2) both sides, top is embedded in respectively in the impossible font groove of the movable guiding rail facing each other (33) on the fork (1) in two, and can be free to slide in movable guiding rail (33); Fork (2) lays respectively at the middle part of the two pairs of fixed guides (12) on the lower fork (3) in two groups; Driving system comprises reducing motor (4), active coupler (5), passive coupler (6), head sprocket (7), rolling bearing units (9), stepped transmission shaft (10) and middle fork driving chain (8) and the last fork driving chain (11) that links to each other with lower fork motor fixing plate (17); Two head sprockets (7) lay respectively at the two ends on transmission shaft (10) first rank, and line of centers of one of them head sprocket (7) and the central lines that is positioned at the one group of end chain wheel set (13) on the lower fork (3), line of centers of another head sprocket (7) and the central lines that is positioned at another group end chain wheel set (13) on the lower fork (3); Two rolling bearing units (9) are installed in the bottom of two " U " shape plates of motor fixing plate (17) respectively.
2. a kind of according to claim 1 pallet fork that can stretch, it is characterized in that described lower fork (3) comprises four trapped orbits (12), four end chain wheel set (13), an end adapter plate (14), four middle part adapter plates (16), four middle part chain wheel set (15), a motor fixing plate (17) and two limiting devices (18); Wherein, four trapped orbits (12) are divided into two groups, and the impossible font groove of every group of trapped orbit (12) is relative in twos; The two ends of two groups of trapped orbits (12) are separately fixed on end adapter plate (14) and the motor fixing plate (17); Four middle part adapter plates (16) lay respectively at middle part, two groups of trapped orbits (12) below, and are symmetrical in the longitudinal plane of symmetry of trapped orbit (12); Four middle part chain wheel set (15) are positioned at two groups of trapped orbits (12), be separately fixed on the middle part adapter plate (16), and four middle part chain wheel set (15) lay respectively at the both sides of the line of centers of residing trapped orbit (12); On the end adapter plate (14) at two groups of trapped orbits (12) two ends and motor fixing plate (17), be fixed with end chain wheel set (13) respectively, and each end chain wheel set (13) lays respectively on the line of centers of this group trapped orbit (12); A limiting device (18) is fixed on the end adapter plate (14) of one group of trapped orbit (12) one ends, another limiting device (18) is fixed on the motor fixing plate (17) of another group trapped orbit (12) one ends, lower fork (3) cooperates installation with middle fork (2) after, the line of centers of limiting device (18) flushes with longitudinal center's face of the riser of middle forked standard (22) bottom; Trapped orbit (12) connecting bore on motor fixing plate (1) and the end adapter plate (14) is corresponding one by one with end chain wheel set (13) connecting bore position; Limiting device (18) mounting hole on motor fixing plate (1) and the end adapter plate (14) is also corresponding one by one.
3. a kind of according to claim 1 pallet fork that can stretch, it is characterized in that, middle fork (2) comprises middle forked standard (22), turns to sprocket wheel (21), upper roller bearing (23), down roller bearing (24), turn to sprocket shaft (25), middle fork chain afterbody adaptor union (26), middle fork chain head Connection Block (27) and go up fork chain Connection Block (28); Wherein, in middle forked standard (22) both sides, top three groups of upper roller bearings (23) are installed, in in the middle of forked standard (22) bottom both sides roller bearing (24) is installed down, and the end axle of time roller bearing (24) and upper roller bearing (23) all with middle forked standard (22) on the axis hole interference fit; Middle fork chain afterbody adaptor union (26) and middle fork chain head Connection Block (27) are arranged in forked standard (22) lower surface middle part; In " U " shape groove of middle forked standard (22) lower surface two ends, middle forked standard (22) line of centers both sides, be connected with fork chain Connection Block (28); Be equipped with in middle forked standard (22) the openings at two ends groove and turn to sprocket shaft (25) and turn to sprocket wheel (21).
4. a kind of according to claim 1 pallet fork that can stretch is characterized in that last fork (1) has two groups; On every group fork (1) include two movable rail (33), on pitch connecting panel (34) and two pairs and go up fork chain permanent seat (35) and connecting screw rod (32); The impossible font groove of two movable rail (33) in twos relatively and be separately fixed at the surperficial dual-side of fork connecting panel (34); Last fork chain permanent seat (35) is fixed on the two ends of fork connecting panel (34), and lays respectively at fork connecting panel (34) line of centers both sides on this; Connecting screw rod (32) passes fork chain permanent seat (35) head through hole and locking.
5. as a kind of pallet fork that can stretch as described in the claim 3, it is characterized in that, the upper surface of forked standard (22) is a bathtub construction in described, has a pair of " U " shape groove in the lower surface line of centers bilateral symmetry of middle forked standard (22), at middle forked standard (22) two ends open slot is arranged; Be fixed with riser respectively in both sides, middle forked standard (22) lower surface middle part, at the pin-and-hole that has roller bearing under the installation (24) on this riser; Have three groups of upper roller bearings (23) pin-and-hole on the both sides cell wall of middle forked standard (22); There is the connecting bore of middle fork chain afterbody adaptor union (26) and middle fork chain head Connection Block (27) at the lower surface middle part of middle forked standard (22); The mounting hole that last fork chain Connection Block (28) is all arranged in " U " shape groove that middle forked standard (22) lower surface that turns to sprocket shaft (25) one ends is installed.
6. as a kind of pallet fork that can stretch as described in the claim 3, it is characterized in that, the described two ends that turn to sprocket shaft (25) have through hole respectively for dull and stereotyped on this flat board, will turn to sprocket shaft (25) to be cemented on middle forked standard (22) the openings at two ends groove by this through hole; Turn to sprocket wheel (21) to be contained in and turn on the sprocket shaft (25), and interference fit between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010210109 CN101885456B (en) | 2010-06-24 | 2010-06-24 | Telescopic fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010210109 CN101885456B (en) | 2010-06-24 | 2010-06-24 | Telescopic fork |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101885456A true CN101885456A (en) | 2010-11-17 |
| CN101885456B CN101885456B (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010210109 Expired - Fee Related CN101885456B (en) | 2010-06-24 | 2010-06-24 | Telescopic fork |
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| CN (1) | CN101885456B (en) |
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| CN102161460A (en) * | 2011-04-07 | 2011-08-24 | 合肥井松自动化科技有限公司 | Light-load ultra-thin fork |
| CN102556902A (en) * | 2010-12-10 | 2012-07-11 | 优若佛克有限责任公司 | Telescopic fork |
| CN103466508A (en) * | 2013-01-10 | 2013-12-25 | 东莞市伟创东洋自动化设备有限公司 | Automatic access lifter |
| CN103508384A (en) * | 2013-10-18 | 2014-01-15 | 朱红蔚 | Arc groove type telescopic inserting leg device of loading and unloading robot |
| CN103569911A (en) * | 2012-07-25 | 2014-02-12 | 米亚斯物流设备（昆山）有限公司 | Novel anti-slipping extensible fork |
| CN103569909A (en) * | 2012-07-25 | 2014-02-12 | 米亚斯物流设备（昆山）有限公司 | Novel extensible fork |
| CN103569908A (en) * | 2012-07-25 | 2014-02-12 | 米亚斯物流设备（昆山）有限公司 | Telescopic fork with monitoring function |
| CN103569910A (en) * | 2012-07-25 | 2014-02-12 | 米亚斯物流设备（昆山）有限公司 | Novel telescopic fork |
| CN103569906A (en) * | 2012-07-25 | 2014-02-12 | 米亚斯物流设备（昆山）有限公司 | Novel extensible fork |
| CN103991822A (en) * | 2014-06-10 | 2014-08-20 | 山西东杰智能物流装备股份有限公司 | Telescopic light pallet fork capable of being precisely located |
| CN104016270A (en) * | 2014-06-19 | 2014-09-03 | 阳光电源股份有限公司 | Stacking forklift |
| CN105905845A (en) * | 2016-06-06 | 2016-08-31 | 深圳精智机器有限公司 | Handling device and fork arm thereof |
| CN106081501A (en) * | 2016-05-24 | 2016-11-09 | 山西东械自动化科技有限公司 | Three layers of pellet fork device |
| CN106347915A (en) * | 2016-11-08 | 2017-01-25 | 苏州博达特机电科技有限公司 | Multilevel stretching fork structure |
| CN106698273A (en) * | 2017-02-28 | 2017-05-24 | 江苏高科物流科技股份有限公司 | Pallet fork and stacking machine |
| CN106829299A (en) * | 2016-12-28 | 2017-06-13 | 深圳中集电商物流科技有限公司 | A kind of three-dimensional goods access arrangement with flexible store function |
| CN106927401A (en) * | 2017-05-16 | 2017-07-07 | 苏州必威物流装备有限公司 | A kind of two-way feeding pallet fork |
| CN107445117A (en) * | 2017-09-04 | 2017-12-08 | 太仓长臂猿机器人科技有限公司 | A kind of ultrathin bidirectional fork device |
| CN108213363A (en) * | 2017-12-20 | 2018-06-29 | 新兴铸管（浙江）铜业有限公司 | Automatic weighing device on a kind of continuous casting and rolling production line line |
| CN108249366A (en) * | 2018-01-29 | 2018-07-06 | 广东添道仓储设备有限公司 | A kind of pellet fork device for automated warehousing |
| CN108249084A (en) * | 2016-12-29 | 2018-07-06 | 长春北方化工灌装设备股份有限公司 | A kind of bi-directional expansion grabbing device applied to tiered warehouse facility and fetch and deliver method |
| CN108468769A (en) * | 2018-05-23 | 2018-08-31 | 凯迈（洛阳）测控有限公司 | A kind of linear transmission |
| CN108687925A (en) * | 2018-05-18 | 2018-10-23 | 芜湖市涵润智能科技有限公司 | A kind of Furniture manufacturing particieboard trigger squeeze |
| CN108974442A (en) * | 2018-09-08 | 2018-12-11 | 王贤淮 | Cup unloading manipulator processed and transmission vanning unit |
| CN110877815A (en) * | 2018-09-06 | 2020-03-13 | 锦上包装江苏有限公司 | Automatic corrugated board feeding machine and corrugated board feeding method |
| CN111559721A (en) * | 2020-04-15 | 2020-08-21 | 上海韬谱物流设备有限公司 | Transfer trolley with fork and working method thereof |
| CN114735390A (en) * | 2022-05-19 | 2022-07-12 | 国网山东省电力公司物资公司 | Access mechanism and intelligent stacking robot based on intelligent robot |
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| CN102556902A (en) * | 2010-12-10 | 2012-07-11 | 优若佛克有限责任公司 | Telescopic fork |
| CN102556902B (en) * | 2010-12-10 | 2016-01-20 | 优若佛克有限责任公司 | Retractable fork |
| KR101780826B1 (en) | 2010-12-10 | 2017-09-21 | 유로포크 에스.알.엘. | Telescopic fork |
| CN102161460A (en) * | 2011-04-07 | 2011-08-24 | 合肥井松自动化科技有限公司 | Light-load ultra-thin fork |
| CN102161460B (en) * | 2011-04-07 | 2013-01-23 | 合肥井松自动化科技有限公司 | Light-load ultra-thin fork |
| CN103569906A (en) * | 2012-07-25 | 2014-02-12 | 米亚斯物流设备（昆山）有限公司 | Novel extensible fork |
| CN103569909A (en) * | 2012-07-25 | 2014-02-12 | 米亚斯物流设备（昆山）有限公司 | Novel extensible fork |
| CN103569908A (en) * | 2012-07-25 | 2014-02-12 | 米亚斯物流设备（昆山）有限公司 | Telescopic fork with monitoring function |
| CN103569910A (en) * | 2012-07-25 | 2014-02-12 | 米亚斯物流设备（昆山）有限公司 | Novel telescopic fork |
| CN103569911A (en) * | 2012-07-25 | 2014-02-12 | 米亚斯物流设备（昆山）有限公司 | Novel anti-slipping extensible fork |
| CN103569910B (en) * | 2012-07-25 | 2016-03-23 | 米亚斯物流设备（昆山）有限公司 | Novel extensible fork |
| CN103466508B (en) * | 2013-01-10 | 2015-11-18 | 东莞市伟创东洋自动化设备有限公司 | Automatic access elevator |
| CN103466508A (en) * | 2013-01-10 | 2013-12-25 | 东莞市伟创东洋自动化设备有限公司 | Automatic access lifter |
| CN103508384A (en) * | 2013-10-18 | 2014-01-15 | 朱红蔚 | Arc groove type telescopic inserting leg device of loading and unloading robot |
| CN103508384B (en) * | 2013-10-18 | 2015-11-11 | 朱红蔚 | The arc groove type telescopic straddle device of handling robot |
| CN103991822A (en) * | 2014-06-10 | 2014-08-20 | 山西东杰智能物流装备股份有限公司 | Telescopic light pallet fork capable of being precisely located |
| CN104016270A (en) * | 2014-06-19 | 2014-09-03 | 阳光电源股份有限公司 | Stacking forklift |
| CN106081501A (en) * | 2016-05-24 | 2016-11-09 | 山西东械自动化科技有限公司 | Three layers of pellet fork device |
| CN105905845A (en) * | 2016-06-06 | 2016-08-31 | 深圳精智机器有限公司 | Handling device and fork arm thereof |
| CN105905845B (en) * | 2016-06-06 | 2018-07-31 | 深圳精智机器有限公司 | Handling device and its yoke |
| CN106347915A (en) * | 2016-11-08 | 2017-01-25 | 苏州博达特机电科技有限公司 | Multilevel stretching fork structure |
| CN106829299A (en) * | 2016-12-28 | 2017-06-13 | 深圳中集电商物流科技有限公司 | A kind of three-dimensional goods access arrangement with flexible store function |
| CN108249084A (en) * | 2016-12-29 | 2018-07-06 | 长春北方化工灌装设备股份有限公司 | A kind of bi-directional expansion grabbing device applied to tiered warehouse facility and fetch and deliver method |
| CN106698273A (en) * | 2017-02-28 | 2017-05-24 | 江苏高科物流科技股份有限公司 | Pallet fork and stacking machine |
| CN106927401A (en) * | 2017-05-16 | 2017-07-07 | 苏州必威物流装备有限公司 | A kind of two-way feeding pallet fork |
| CN107445117A (en) * | 2017-09-04 | 2017-12-08 | 太仓长臂猿机器人科技有限公司 | A kind of ultrathin bidirectional fork device |
| CN108213363A (en) * | 2017-12-20 | 2018-06-29 | 新兴铸管（浙江）铜业有限公司 | Automatic weighing device on a kind of continuous casting and rolling production line line |
| CN108249366A (en) * | 2018-01-29 | 2018-07-06 | 广东添道仓储设备有限公司 | A kind of pellet fork device for automated warehousing |
| CN108687925A (en) * | 2018-05-18 | 2018-10-23 | 芜湖市涵润智能科技有限公司 | A kind of Furniture manufacturing particieboard trigger squeeze |
| CN108468769A (en) * | 2018-05-23 | 2018-08-31 | 凯迈（洛阳）测控有限公司 | A kind of linear transmission |
| CN108468769B (en) * | 2018-05-23 | 2024-04-19 | 凯迈（洛阳）测控有限公司 | Linear transmission device |
| CN110877815A (en) * | 2018-09-06 | 2020-03-13 | 锦上包装江苏有限公司 | Automatic corrugated board feeding machine and corrugated board feeding method |
| CN108974442A (en) * | 2018-09-08 | 2018-12-11 | 王贤淮 | Cup unloading manipulator processed and transmission vanning unit |
| CN111559721A (en) * | 2020-04-15 | 2020-08-21 | 上海韬谱物流设备有限公司 | Transfer trolley with fork and working method thereof |
| CN114735390A (en) * | 2022-05-19 | 2022-07-12 | 国网山东省电力公司物资公司 | Access mechanism and intelligent stacking robot based on intelligent robot |
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