CN105253818A - Fork mechanism of forklift - Google Patents
Fork mechanism of forklift Download PDFInfo
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- CN105253818A CN105253818A CN201510779066.XA CN201510779066A CN105253818A CN 105253818 A CN105253818 A CN 105253818A CN 201510779066 A CN201510779066 A CN 201510779066A CN 105253818 A CN105253818 A CN 105253818A
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- plate
- fork
- axle
- bearing pin
- string
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- Forklifts And Lifting Vehicles (AREA)
- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The invention belongs to the technical field of forklifts, in particular to a fork mechanism of a forklift. The fork mechanism comprises a front outrigger and a back outrigger, wherein a rotating string shaft is arranged on the back outrigger, and is coated with a shaft sleeve; the shaft sleeve is fixed on the back outrigger; more than one bearings are arranged between the rotating string shaft and the shaft sleeve; a string shaft fixed plate is arranged at the front end of the rotating string shaft; the string shaft fixed plate and the rotating string shaft swing together; the front outrigger is fixed on the string shaft fixed plate; left and right oil cylinders are respectively arranged on the back outrigger and the front outrigger at the left and right sides of the rotating string shaft; piston rods of the left and right oil cylinders extend to drive the front outrigger to swing about the rotating string shaft; and left and right forks are arranged on the front outrigger. The fork mechanism of the forklift realizes horizontal swing of the outriggers through actions of the left and right oil cylinders, and realizes horizontal swing of the forks, so that transverse goods tilting is convenient, the goods loading and unloading range of the forklift is widened, and the use is more convenient; and the bearing is arranged between the shaft sleeve and the rotating string shaft, so that the swing is more flexible.
Description
Technical field:
The invention belongs to fork truck technical field, refer in particular to a kind of fork mechanism of fork truck.
Background technology:
Fork truck is industrial transportation vehicle, refer to member pallet cargo is loaded and unloaded, the various wheeled carrying vehicle of stacking and short range hauling operation.Existing fork truck to be moved up and down by goods shelf and pallet fork or swing is carried out freighting and unload.But, in some occasions, because of problems such as spaces, when needing laterally to topple over goods, only by pallet fork move up and down and swing then cannot realize.
Summary of the invention:
The object of this invention is to provide a kind of fork of forklift truck laterally can toppling over goods to swing and distance adjustor.
The present invention is achieved in that
A kind of fork mechanism of fork truck, include front forked frame, rear crotch, rear crotch is provided with rotating string axle, rotating string outer shaft sleeve is equipped with axle sleeve, axle sleeve is fixed on rear crotch, more than one bearing is provided with between rotating string axle and axle sleeve, the front end of rotating string axle is provided with string axis fixing plate, string axis fixing plate swings together with rotating string axle, string axis fixing plate is installed with front forked frame, the rear crotch and front forked frame of the rotating string axle left and right sides are respectively arranged with a left side, right oil cylinder, left, the flexible drive front forked frame of right cylinder piston rod swings around rotating string axle, front forked frame is provided with a left side, right fork.
In technique scheme, described front forked frame is provided with boom, the upper end of left and right pallet fork is sleeved on boom, front forked frame is also provided with two upper and lower oil cylinders be arranged in parallel, the piston rod of upper and lower oil cylinder oppositely stretches, piston rod and the boom of upper and lower oil cylinder be arranged in parallel, and the piston rod of two oil cylinders is connected with corresponding pallet fork respectively, the spacing between the left and right pallet fork of telescopic adjustment of two-piston bar.
In technique scheme, described rotating string axle includes axis body, the front portion of axis body is provided with limit convex edge, the rear end of axis body is provided with reducing diameter part, on step surface between reducing diameter part and axis body, circumference is distributed with tapped bore, outside reducing diameter part, be set with shrouding, and shrouding is fixed by screws on axis body, the front end of axis body is connected with string axis fixing plate, and more than one bearing is arranged on the axis body between shrouding and limit convex edge.
In technique scheme, described bearing is provided with two, and arrange along axis body axially spaced-apart, axis body is also provided with the oil duct for lubricating to two bearings, the oil inlet of oil duct on the end face of reducing diameter part, oil outlet on the outer cylinder of axis body and between two bearings, oil inlet is provided with plug cock.
In technique scheme, described rear crotch includes axle sleeve adapter plate and is positioned at the riser of axle sleeve adapter plate arranged on left and right sides, the upper plane of axle sleeve adapter plate is provided with plate in connection two riser, be provided with the riser of connecting middle plate and two risers in the upper plane of middle plate, described axle sleeve is fixed on axle sleeve adapter plate.
In technique scheme, the two ends, left and right of described middle plate are respectively arranged with support plate, and the two ends of bearing pin are separately positioned on support plate and middle plate, and one end of left and right oil cylinder is sleeved on outside bearing pin, and bearing pin is fixed on middle plate by baffle plate and screw.
In technique scheme, described front forked frame comprises upper and lower spaced entablatrance and cross sill, and the arranged on left and right sides of entablatrance and cross sill is arranged on left and right side riser.
In technique scheme, described cross sill is provided with base plate, base plate is provided with support plate, the two ends of bearing pin are separately positioned on base plate and support plate, left and right cylinder piston rod is provided with journal stirrup, and journal stirrup is sleeved on outside bearing pin, and one end of bearing pin is fixed on support plate by baffle plate and screw.
In technique scheme, described left side vertical plate is connected with one end of upper cylinder by support plate, bearing pin; The piston rod of upper cylinder is provided with journal stirrup, and journal stirrup is connected with right fork by support plate, bearing pin; Described right side riser is connected with one end of lower oil cylinder by support plate, bearing pin; The piston rod of lower oil cylinder is provided with journal stirrup, and journal stirrup is connected with left pallet fork by support plate, bearing pin.
In technique scheme, described entablatrance is provided with plate in string axle, corresponding boom is left and right boom, and one end of left boom is fixed in left side vertical plate, the other end to be fixed in string axle on plate; One end of right boom to be fixed in string axle on plate, the other end is fixed on the riser of right side.
The advantage that the present invention gives prominence to compared to existing technology is:
1, the present invention realizes swinging of goods shelf by the action of left and right oil cylinder, realizes swinging of pallet fork simultaneously, is convenient to laterally topple over goods, expands the scope of the handling goods of fork truck, uses convenient;
2, between axle sleeve of the present invention and rotating string axle, bearing is set, swings more flexible.
Accompanying drawing illustrates:
Fig. 1 is front of the present invention schematic perspective view;
Fig. 2 is the back side of the present invention schematic perspective view;
Fig. 3 is left view of the present invention;
Fig. 4 is front view of the present invention;
Fig. 5 is the A-A cutaway view of Fig. 4;
Fig. 6 is the schematic diagram of rotating string axle of the present invention.
Detailed description of the invention:
With specific embodiment, the invention will be further described below, see Fig. 1-6:
A kind of fork mechanism of fork truck, include front forked frame, rear crotch, rear crotch is provided with rotating string axle 1, axle sleeve 2 is set with outside rotating string axle 1, axle sleeve 2 is fixed on rear crotch, more than one bearing 3 is provided with between rotating string axle 1 and axle sleeve 2, string axis fixing plate 4 is provided with in the front end of rotating string axle 1, string axis fixing plate 4 swings together with rotating string axle 1, string axis fixing plate 4 is installed with front forked frame, the rear crotch and front forked frame of rotating string axle 1 left and right sides are respectively arranged with a left side, right oil cylinder 5, 6, left, right oil cylinder 5, 6 piston rods 7, the flexible drive front forked frame of 8 swings around rotating string axle 1, front forked frame is provided with a left side, right fork 9, 10.
Above-mentioned front forked frame is provided with boom, the upper end of left and right pallet fork 9,10 is sleeved on boom, front forked frame is also provided with two upper and lower oil cylinders be arranged in parallel 11,12, the piston rod 13,14 of upper and lower oil cylinder 11,12 oppositely stretches, piston rod 13,14 and the boom of upper and lower oil cylinder 11,12 be arranged in parallel, and the piston rod 13,14 of two oil cylinders 11,12 is connected with corresponding pallet fork respectively, the spacing between the left and right pallet fork 9,10 of telescopic adjustment of two-piston bar 13,14.
Above-mentioned rotating string axle 1 includes axis body 15, limit convex is provided with along 16 in the front portion of axis body 15, the rear end of axis body 15 is provided with reducing diameter part 17, on step surface 18 between undergauge 17 and axis body 15, circumference is distributed with tapped bore 19, shrouding 20 is set with outside reducing diameter part 17, shrouding 20 is fixed on axis body 15 by screw 21, and the front end of axis body 15 is connected with string axis fixing plate 4, and more than one bearing 3 is disposed on shrouding 50 and limit convex along on the axis body 15 between 16.What described bearing 3 adopted is single-row tapered roller bearing.
According to actual conditions, the bearing 3 of the present embodiment is provided with two, and arrange along axis body 15 axially spaced-apart, axis body 15 is also provided with the oil duct 22 for lubricating to two bearings 3, the oil inlet of oil duct 22 on the end face of reducing diameter part 17, oil outlet on the outer cylinder of axis body 15 and between two bearings 3, oil inlet is provided with plug cock 23.
The sleeve lining of two bearings 3 is provided with the annular protrusion that cross section is convex, the minor diameter part diameter of annular protrusion is greater than the diameter of rotating string axle 1, make axle sleeve 2 inwall between two bearings 3 and form certain passage and oil storage space between rotating string axle 1 outer wall, lubricating oil can enter along oil duct 22, lubricates two bearings 3.
Above-mentioned rear crotch includes axle sleeve adapter plate 24 and is positioned at the riser 25 of axle sleeve adapter plate 24 arranged on left and right sides, the upper plane of axle sleeve adapter plate 24 is provided with plate 26 in connection two riser 25, be provided with the riser 27 of connecting middle plate 26 and two risers 25 in the upper plane of middle plate 26, described axle sleeve 2 is fixed on axle sleeve adapter plate 24.
The two ends, left and right of above-mentioned middle plate 26 are respectively arranged with support plate 28, and the two ends of bearing pin 29 are separately positioned on support plate 28 with on middle plate 26, and one end of left and right oil cylinder 5,6 is sleeved on outside bearing pin 29, and bearing pin 29 is fixed on middle plate 26 by baffle plate 30 and screw 31.
Above-mentioned front forked frame comprises upper and lower spaced entablatrance 32 and cross sill 33, and entablatrance 32 is arranged on left and right side riser 34,35 with the arranged on left and right sides of cross sill 33.
Above-mentioned cross sill 33 is provided with base plate 36, base plate 36 is provided with support plate 37, the two ends of bearing pin 29 are separately positioned on base plate 36 with on support plate 37, the piston rod 7,8 of left and right oil cylinder 5,6 is provided with journal stirrup 38, journal stirrup 38 is sleeved on outside bearing pin 29, and one end of bearing pin 9 is fixed on support plate 37 by baffle plate 30 and screw 31.
Above-mentioned left side vertical plate 34 is connected with one end of upper cylinder 11 by support plate 37, bearing pin; The piston rod 13 of upper cylinder 11 is provided with journal stirrup 38, and journal stirrup 38 is connected with right fork 10 by support plate 37, bearing pin; Described right side riser 35 is connected with one end of lower oil cylinder 12 by support plate 37, bearing pin; The piston rod 14 of lower oil cylinder 12 is provided with journal stirrup 38, and journal stirrup 38 is connected with left pallet fork 9 by support plate 37, bearing pin.The fixing of bearing pin is all fixed by baffle plate and screw.
Above-mentioned left and right pallet fork 9,10 is provided with hook 39, and the lower end of cross sill 33 is arranged in the groove 40 that hook 39 and left and right pallet fork 9,10 formed, and play the effect of guiding, left and right pallet fork 9,10 moves along the lower end of bottom rail 33 beam.
Above-mentioned entablatrance 32 is provided with plate 41 in string axle, corresponding boom is left and right boom 42,43, and one end of left boom 42 is fixed in left side vertical plate 34, the other end to be fixed in string axle on plate 41; One end of right boom 43 to be fixed in string axle on plate 41, the other end is fixed on the riser 35 of right side.The upper end of left pallet fork 9 is sleeved on left boom 42, and moving axially along left boom 42, the upper end of right fork 10 is sleeved on right boom 43, and moving axially along right boom 43.
Principle of work of the present invention:
Needs carry out transverse direction topple over goods time, the flexible of the piston rod 7,8 of left oil cylinder 5 or right oil cylinder 6 is controlled by controller, make front forked frame around the axis oscillating of rotating string axle 1, and then drive left and right pallet fork 9,10 also to swing, successfully the goods on pallet fork is laterally toppled over.
According to the spacing between the left and right pallet fork 9,10 of the size adjustment of the size of goods, controlled the flexible of the piston rod 13,14 of upper and lower oil cylinder 11,12 by controller and just can realize.
Above-described embodiment is only one of preferred embodiment of the present invention, not limits practical range of the present invention with this, therefore: all equivalence changes done according to shape of the present invention, structure, principle, all should be covered by within protection scope of the present invention.
Claims (10)
1. the fork mechanism of a fork truck, include front forked frame, rear crotch, it is characterized in that: on rear crotch, be provided with rotating string axle, rotating string outer shaft sleeve is equipped with axle sleeve, axle sleeve is fixed on rear crotch, more than one bearing is provided with between rotating string axle and axle sleeve, the front end of rotating string axle is provided with string axis fixing plate, string axis fixing plate swings together with rotating string axle, string axis fixing plate is installed with front forked frame, the rear crotch and front forked frame of the rotating string axle left and right sides are respectively arranged with a left side, right oil cylinder, left, the flexible drive front forked frame of right cylinder piston rod swings around rotating string axle, front forked frame is provided with a left side, right fork.
2. the fork mechanism of a kind of fork truck according to claim 1, it is characterized in that: described front forked frame is provided with boom, the upper end of left and right pallet fork is sleeved on boom, front forked frame is also provided with two upper and lower oil cylinders be arranged in parallel, the piston rod of upper and lower oil cylinder oppositely stretches, piston rod and the boom of upper and lower oil cylinder be arranged in parallel, and the piston rod of two oil cylinders is connected with corresponding pallet fork respectively, the spacing between the left and right pallet fork of telescopic adjustment of two-piston bar.
3. the fork mechanism of a kind of fork truck according to claim 1, it is characterized in that: described rotating string axle includes axis body, the front portion of axis body is provided with limit convex edge, the rear end of axis body is provided with reducing diameter part, on step surface between reducing diameter part and axis body, circumference is distributed with tapped bore, outside reducing diameter part, be set with shrouding, and shrouding is fixed by screws on axis body, the front end of axis body is connected with string axis fixing plate, and more than one bearing is arranged on the axis body between shrouding and limit convex edge.
4. the fork mechanism of a kind of fork truck according to claim 3, it is characterized in that: described bearing is provided with two, and arrange along axis body axially spaced-apart, axis body is also provided with the oil duct for lubricating to two bearings, the oil inlet of oil duct on the end face of reducing diameter part, oil outlet on the outer cylinder of axis body and between two bearings, oil inlet is provided with plug cock.
5. the fork mechanism of a kind of fork truck according to claim 1, it is characterized in that: described rear crotch includes axle sleeve adapter plate and is positioned at the riser of axle sleeve adapter plate arranged on left and right sides, the upper plane of axle sleeve adapter plate is provided with plate in connection two riser, be provided with the riser of connecting middle plate and two risers in the upper plane of middle plate, described axle sleeve is fixed on axle sleeve adapter plate.
6. the fork mechanism of a kind of fork truck according to claim 5, it is characterized in that: the two ends, left and right of described middle plate are respectively arranged with support plate, the two ends of bearing pin are separately positioned on support plate and middle plate, one end of left and right oil cylinder is sleeved on outside bearing pin, and bearing pin is fixed on middle plate by baffle plate and screw.
7. the fork mechanism of a kind of fork truck according to claim 1, is characterized in that: described front forked frame comprises upper and lower spaced entablatrance and cross sill, and the arranged on left and right sides of entablatrance and cross sill is arranged on left and right side riser.
8. the fork mechanism of a kind of fork truck according to claim 7, it is characterized in that: described cross sill is provided with base plate, base plate is provided with support plate, the two ends of bearing pin are separately positioned on base plate and support plate, left and right cylinder piston rod is provided with journal stirrup, journal stirrup is sleeved on outside bearing pin, and one end of bearing pin is fixed on support plate by baffle plate and screw.
9. the fork mechanism of a kind of fork truck according to claim 7, is characterized in that: described left side vertical plate is connected with one end of upper cylinder by support plate, bearing pin; The piston rod of upper cylinder is provided with journal stirrup, and journal stirrup is connected with right fork by support plate, bearing pin; Described right side riser is connected with one end of lower oil cylinder by support plate, bearing pin; The piston rod of lower oil cylinder is provided with journal stirrup, and journal stirrup is connected with left pallet fork by support plate, bearing pin.
10. the fork mechanism of a kind of fork truck according to claim 7, is characterized in that: described entablatrance is provided with plate in string axle, corresponding boom is left and right boom, and one end of left boom is fixed in left side vertical plate, the other end to be fixed in string axle on plate; One end of right boom to be fixed in string axle on plate, the other end is fixed on the riser of right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779066.XA CN105253818B (en) | 2015-11-14 | 2015-11-14 | A kind of fork mechanism of fork truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779066.XA CN105253818B (en) | 2015-11-14 | 2015-11-14 | A kind of fork mechanism of fork truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105253818A true CN105253818A (en) | 2016-01-20 |
| CN105253818B CN105253818B (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510779066.XA Active CN105253818B (en) | 2015-11-14 | 2015-11-14 | A kind of fork mechanism of fork truck |
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| Country | Link |
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| CN (1) | CN105253818B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105883690A (en) * | 2016-06-30 | 2016-08-24 | 荣成中磊石材有限公司 | 360-degree rotating fork of forklift |
| CN105947936A (en) * | 2016-06-30 | 2016-09-21 | 荣成中磊石材有限公司 | Rotating pallet fork of forklift |
| CN106115561A (en) * | 2016-07-07 | 2016-11-16 | 厦门市立藤工程机械有限公司 | Wheeled fork installation rotates pallet fork |
| CN106276718A (en) * | 2016-09-28 | 2017-01-04 | 荣成中磊石材有限公司 | A kind of rotation pallet fork of fork truck |
| CN107673280A (en) * | 2017-10-19 | 2018-02-09 | 湖南三港口设备有限公司 | One kind rotation fork and fork truck |
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| KR20090067386A (en) * | 2007-12-21 | 2009-06-25 | 두산인프라코어 주식회사 | Fork lift |
| CN202272704U (en) * | 2011-09-22 | 2012-06-13 | 徐州徐工特种工程机械有限公司 | Multifunctional fork mechanism |
| CN202482014U (en) * | 2012-03-10 | 2012-10-10 | 浙江吉鑫祥叉车制造有限公司 | Novel fork and fork frame connecting structure for forklift |
| CN202704970U (en) * | 2012-02-15 | 2013-01-30 | 中国人民解放军总后勤部建筑工程研究所 | Multifunctional pallet fork device |
| KR101528732B1 (en) * | 2015-05-19 | 2015-06-15 | 이재성 | Bracket-Forklift Set for Handling a Mold and Method for Handling a Mold Using the Same |
| CN205133073U (en) * | 2015-11-14 | 2016-04-06 | 浙江吉鑫祥叉车制造有限公司 | Fork truck's fork mechanism |
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2015
- 2015-11-14 CN CN201510779066.XA patent/CN105253818B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20090067386A (en) * | 2007-12-21 | 2009-06-25 | 두산인프라코어 주식회사 | Fork lift |
| CN202272704U (en) * | 2011-09-22 | 2012-06-13 | 徐州徐工特种工程机械有限公司 | Multifunctional fork mechanism |
| CN202704970U (en) * | 2012-02-15 | 2013-01-30 | 中国人民解放军总后勤部建筑工程研究所 | Multifunctional pallet fork device |
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| KR101528732B1 (en) * | 2015-05-19 | 2015-06-15 | 이재성 | Bracket-Forklift Set for Handling a Mold and Method for Handling a Mold Using the Same |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105883690A (en) * | 2016-06-30 | 2016-08-24 | 荣成中磊石材有限公司 | 360-degree rotating fork of forklift |
| CN105947936A (en) * | 2016-06-30 | 2016-09-21 | 荣成中磊石材有限公司 | Rotating pallet fork of forklift |
| CN106115561A (en) * | 2016-07-07 | 2016-11-16 | 厦门市立藤工程机械有限公司 | Wheeled fork installation rotates pallet fork |
| CN106276718A (en) * | 2016-09-28 | 2017-01-04 | 荣成中磊石材有限公司 | A kind of rotation pallet fork of fork truck |
| CN106276718B (en) * | 2016-09-28 | 2018-09-11 | 荣成中磊石材有限公司 | A kind of rotation pallet fork of fork truck |
| CN107673280A (en) * | 2017-10-19 | 2018-02-09 | 湖南三港口设备有限公司 | One kind rotation fork and fork truck |
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| Publication number | Publication date |
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| CN105253818B (en) | 2018-01-19 |
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