CN207890988U - A kind of fork truck with anti-slip pallet fork - Google Patents
A kind of fork truck with anti-slip pallet fork Download PDFInfo
- Publication number
- CN207890988U CN207890988U CN201820244009.0U CN201820244009U CN207890988U CN 207890988 U CN207890988 U CN 207890988U CN 201820244009 U CN201820244009 U CN 201820244009U CN 207890988 U CN207890988 U CN 207890988U
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- tooth
- pallet fork
- shelf
- rack
- fork
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Abstract
The utility model discloses a kind of fork trucks with anti-slip pallet fork, its key points of the technical solution are that：Include the pallet fork for lifting shelf, shelf bottom surface is fixedly connected with upper rack, and pallet fork upper surface is fixedly connected with upper rack；After pallet fork raises goods shelf support, the tooth on upper rack is intermeshed with the tooth on lower rack；Tooth on upper rack is horizontally disposed with the tooth on lower rack and perpendicular with the length direction of pallet fork；It can be intermeshed between upper rack and lower rack, limit between shelf and pallet fork along the direction relative motion far from car body, reduce shelf and move the possibility slipped from pallet fork with respect to pallet fork towards the direction far from car body.
Description
Technical field
The utility model is related to a kind of industrial transportation vehicle, more particularly to a kind of fork truck.
Background technology
Fork truck be it is a kind of for being loaded and unloaded to member pallet cargo, the various of stacking and short distance hauling operation wheeled remove
Transport vehicle.
Fork truck in the prior art, as shown in Figure 1, including mainly car body 1, wheel 2, door frame 3 and pallet fork 4, pallet fork 4 and door
3 vertical sliding of frame connects, then the lower section for being inserted into shelf 5 can be moved upwards picking-up shelf 5, car body by pallet fork 4 along door frame 3
1 carries shelf 5 along ground moving by wheel 2.
The bottom surface of shelf 5 is fixedly connected with support column 51, and support column 51 makes goods for being supported on shelf 5 above the ground
A certain distance is formed between 5 bottom surface of frame and ground, the lower section of shelf 5 is inserted into convenient for pallet fork 4；Pallet fork 4 has a pair, pallet fork 4
It is inserted into after the lower section of shelf 5, support column 51 is located between two pallet forks 4, when shelf 5 are along the direction perpendicular to 4 side of pallet fork
When level sliding, support column 51 can be slided with the inconsistent limitation shelf 5 in the side of pallet fork 4.
But in fork truck driving process, it may be jolted, shelf 5 may be towards the side far from car body 1 after being jolted
It is moved to opposite pallet fork 4, shelf 5 may be slipped down towards the direction far from car body 1 from pallet fork 4.
Utility model content
The purpose of this utility model is to provide a kind of fork truck with anti-slip pallet fork, its advantage is that shelf court can be reduced
The possibility that direction far from car body is slipped down from pallet fork.
The above-mentioned technical purpose of the utility model technical scheme is that：One kind having anti-skidding be in short supply
The fork truck of fork includes the pallet fork for lifting shelf, and shelf bottom surface is fixedly connected with upper rack, and pallet fork upper surface is fixedly connected with
Upper rack；After pallet fork raises goods shelf support, the tooth on upper rack is intermeshed with the tooth on lower rack；Tooth on upper rack
It is horizontally disposed with the tooth on lower rack and perpendicular with the length direction of pallet fork.
Through the above technical solutions, car body may be jolted and be shaken in driving process on the ground, shelf are run
After winnowing with a dustpan may towards far from car body direction with respect to pallet fork move, can be intermeshed between upper rack and lower rack, limitation shelf with
Along the direction relative motion far from car body between pallet fork, reduces shelf and moved from pallet fork with respect to pallet fork towards the direction far from car body
The possibility of slippage.
The utility model is further arranged to：The cross-sectional shape of the upper rack and the lower rack is isoceles triangle
Shape.
Through the above technical solutions, upper rack it is opposite with two of lower rack towards the adjacent flank of tooth direction movement when, the flank of tooth
Impact direction is identical, and upper rack is engaged with lower rack more to be stablized.
The utility model is further arranged to：Tooth on the upper rack is apical tooth, and the tooth on the lower rack is bottom tooth；
The angle between angle and the adjacent flank of tooth of bottom tooth between the adjacent flank of tooth of apical tooth is 45 ° -75 °.
Through the above technical solutions, addendum angle is smaller, upper rack and lower rack are along the direction relative motion perpendicular with tooth
When the resistance that is subject to it is bigger, but addendum angle is too small, the stress concentration effect that tooth top is subject to can be caused bigger, tooth top is easier
Be crushed out of shape damage, by using rational angle, you can effectively limitation upper rack and lower rack is along the direction perpendicular with tooth
Relative motion, and the stress concentration effect that tooth top is subject to can be reduced, extend the service life of upper rack and lower rack.
The utility model is further arranged to：Tooth on the upper rack is apical tooth, between the adjacent flank of tooth of tooth top of apical tooth
Equipped with tooth top knuckle.
Through the above technical solutions, the tooth top acutance of apical tooth can be reduced, reduces stress concentration, improve the tooth top structure of apical tooth
Intensity, improves the tooth top bending strength of apical tooth, and tooth top is less likely to occur largely to deform after being pressurized.
The utility model is further arranged to：Tooth on the upper rack is apical tooth, between the adjacent flank of tooth of bottom of the tooth of apical tooth
Equipped with bottom of the tooth knuckle.
Through the above technical solutions, when after being engaged with lower rack relative motion occurs for upper rack, the flank of tooth of apical tooth and bottom
Squeezing action power between the flank of tooth of tooth is bigger, and bottom of the tooth knuckle can reduce the stress concentration between the adjacent flank of tooth of bottom of the tooth,
The structural strength between the adjacent flank of tooth of bottom of the tooth can be improved, improve the breaking resistance of bottom of the tooth.
The utility model is further arranged to：Tooth on the upper rack is apical tooth, between the adjacent flank of tooth of tooth top of apical tooth
Equipped with tooth top knuckle；Tooth on the lower rack is bottom tooth, and tooth top transition also is provided between the adjacent flank of tooth of tooth top of bottom tooth
Fillet；Tooth on the upper rack is apical tooth, and bottom of the tooth knuckle is equipped between the adjacent flank of tooth of bottom of the tooth of apical tooth；The lower rack
On tooth be bottom tooth, bottom of the tooth knuckle is equipped between the adjacent flank of tooth of bottom of the tooth of bottom tooth；The radius of tooth top knuckle is more than bottom
The radius of angle knuckle.
Through the above technical solutions, after upper rack and the intermeshing of lower rack, tooth top knuckle surface and bottom of the tooth mistake
A certain distance can be formed by crossing between radiused surface, can be improved between the flank of tooth of upper rack and the flank of tooth of lower rack engage it is close
Degree.
In conclusion the utility model has the advantages that：
1, it can be intermeshed, be limited between shelf and pallet fork along opposite far from the direction of car body between upper rack and lower rack
Movement reduces shelf and moves the possibility slipped from pallet fork with respect to pallet fork towards the direction far from car body；
2, tooth top knuckle can reduce the acutance of tooth top, improve the structural strength and bending strength of tooth top；
3, bottom of the tooth knuckle the structural strength of bottom of the tooth can be improved can breaking resistance；
4, the radius of tooth top knuckle is more than the radius of base angle knuckle, and the flank of tooth of upper rack and lower rack can be improved
The flank of tooth between engagement tight ness rating.
Description of the drawings
Fig. 1 is the structural schematic diagram of the prior art；
Fig. 2 is the structural schematic diagram of embodiment 1；
Fig. 3 is the schematic diagram that upper rack and lower rack structure are embodied in embodiment 1；
Fig. 4 is the schematic diagram that fit structure between upper rack and lower rack is embodied in embodiment 1；
Fig. 5 is the schematic diagram that apical tooth and bottom toothing are embodied in embodiment 1；
Fig. 6 is the structural schematic diagram of embodiment 2；
Fig. 7 is the structural schematic diagram that escapement is embodied in embodiment 2；
Fig. 8 is the schematic diagram that T-type sliding block and T-type sliding groove structure are embodied in embodiment 2；
Fig. 9 is the schematic diagram that slide plate and locating pin structure are embodied in embodiment 2.
In figure, 1, car body；2, wheel；3, door frame；4, pallet fork；41, T-type sliding slot；42, location hole；5, shelf；51, it supports
Column；6, lower rack；61, bottom tooth；7, upper rack；71, apical tooth；8, tooth top knuckle；9, bottom of the tooth knuckle；10, anti-off line
Structure；101, T-type sliding block；102, gag lever post；103, positioning pin；104, slide plate；105, reinforcement block.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1
A kind of fork truck with anti-slip pallet fork, as shown in Fig. 2, including car body 1, wheel 2, door frame 3 and pallet fork 4, pallet fork 4
Vertical sliding is connected on door frame 3, and door frame 3 is fixedly connected with 1 phase of car body, and pallet fork 4 is for being inserted into shelf 5（Shelf 5 are for containing
Parts or other cargos）Lower section then moved upwards along door frame 3 and lift shelf 5, car body 1 can be on ground by bus or train route
Mobile traveling on face, to be carried to shelf 5.
5 bottom surface of shelf is fixedly connected with two rows of support columns 51, and support column 51 is used to the support of shelf 5 on the ground, make goods
A certain distance is formed between the bottom surface and ground of frame 5, the lower section of shelf 5 is inserted into convenient for pallet fork 4.Pallet fork 4 has a pair, pallet fork
4 are inserted into after the lower section of shelf 5, and two rows of support columns 51 are respectively positioned between two pallet forks 4, when shelf 5 are towards mutual perpendicular to pallet fork 4
When close side surface direction movement, the side that support column 51 can be close to each other with pallet fork 4 mutually contradicts, and can limit shelf 5 towards hanging down
Directly in the flank movement close to each other of pallet fork 4.
Forklift shelf 5 and may jolt in driving process on the ground, and shelf 5 may be towards remote after being jolted
Direction from car body 1 is moved with respect to pallet fork 4.
As shown in figure 3,4 upper surface of pallet fork is fixedly connected with lower rack 6, the tooth on lower rack 6 is along mutual perpendicular to pallet fork 4
Close side setting, lower rack 6 can increase the frictional force between 5 bottom surface of shelf and pallet fork 4, and limitation shelf 5 are towards far from car body 1
Opposite pallet fork 4 moves, and reduces the possibility that shelf 5 are slipped down from pallet fork 4.
In conjunction with Fig. 4, the bottom surface of shelf 5 is corresponding with lower rack 6 to be fixedly connected with upper rack 7, and pallet fork 4 is by 5 support of shelf
After raising, lower rack 6 can be mutually inserted with upper rack 7 to be engaged, under the gravity of shelf 5, upper rack 7 and lower rack
6 can keep closely engaging, and limitation shelf 5 are moved towards the direction far from car body 1 with respect to pallet fork 4, significantly reduce 5 court of shelf
Direction far from car body 1 moves the possibility for being detached from pallet fork 4 with respect to pallet fork 4.
As shown in figure 5, for ease of description, the tooth of upper rack 7 is defined as apical tooth 71, the tooth of lower rack 6 is defined as bottom tooth 61；
The cross-sectional shape of apical tooth 71 and bottom tooth 61 is isosceles triangle, and the addendum angle and bottom of the tooth angle of apical tooth 71 and bottom tooth 61 are homogeneous
Together, angle of the addendum angle between apical tooth 71 or two adjacent sides at the position close to each other of bottom tooth 61, bottom of the tooth angle are apical tooth 71
Or bottom tooth 61 is located remotely from each other the angle between two adjacent sides at position.If a can indicate the bottom of the tooth angle of bottom tooth 61 in Fig. 5, again
It can indicate the addendum angle of apical tooth 71, bottom of the tooth angle and addendum angle.
Addendum angle is smaller, and the resistance being subject to when upper rack 7 and lower rack 6 are along the direction relative motion perpendicular with tooth is got over
Greatly, but addendum angle is too small, the stress concentration effect that tooth top is subject to can be caused bigger, tooth top is easier the damage that is crushed out of shape, a
Ranging from 45 ° -75 °, you can effectively limitation upper rack 7 and lower rack 6, and can be with along the direction relative motion perpendicular with tooth
Reduce the stress concentration effect that tooth top is subject to, extends the service life of upper rack 7 and lower rack 6.
The tooth top of upper rack 7 and the tooth top of lower rack 6 are equipped with tooth top knuckle 8, and the acutance for reducing tooth top carries
The structural strength of high tooth top.The bottom of the tooth of upper rack 7 and the bottom of the tooth of lower rack 6 are equipped with bottom of the tooth knuckle 9, for reducing bottom of the tooth
Acutance, improve the structural strength of bottom of the tooth, when upper rack 7 and lower 6 relative motion of rack, the phase between apical tooth 71 and bottom tooth 61
Interreaction force is bigger, and tooth top knuckle 8 can reduce the effect of the stress concentration at tooth top, improve the bending strength of tooth top；Tooth
Bottom knuckle 9 can reduce the effect of the stress concentration at bottom of the tooth, improve the breaking resistance of bottom of the tooth.
As shown in figure 5, the radius of tooth top knuckle 8 is R2, the radius of bottom of the tooth knuckle 9 is R1, and R2 is more than R1, on
After rack 7 and the intermeshing of lower rack 6, it can be formed between 9 surface of 8 surface of tooth top knuckle and bottom of the tooth knuckle certain
Distance, can be improved and engage tight ness rating between the flank of tooth of upper rack 7 and the flank of tooth of lower rack 6.
The course of work
Pallet fork 4 first moves to extreme lower position straight down along door frame 3, is inserted into the lower section of shelf 5, then perpendicular along door frame 3
Straight move upwards lifts shelf 5, and upper rack 7 is intermeshed with lower rack 6, and car body 1 is moved on the ground by wheel 2
By the delivery of shelf 5 to specified place；During car body 1 is along ground run, car body 1 may be jolted, and shelf 5 are run
It may be moved towards the direction far from car body 1 relative to pallet fork 4 after winnowing with a dustpan, upper rack 7 and lower rack 6 can limit shelf 5 towards remote
Direction from car body 1 is moved relative to pallet fork 4, is reduced shelf 5 and is moved slippage goods relative to pallet fork 4 towards the direction far from car body 1
The possibility of fork 4.
Embodiment 2
Fork truck with anti-slip pallet fork, difference from example 1 is that, as shown in fig. 6, two pallet forks 4 are mutual
Separate is both provided with escapement 10 on one side.
As shown in fig. 7, escapement 10 includes sliding part, locating part and locating piece, in conjunction with Fig. 8, sliding part is T-type sliding block
101, the length direction of 4 upper edge pallet fork 4 of pallet fork offers T-type sliding slot 41, T-type sliding block 101 and the 41 phase sliding plug of T-type sliding slot, T
Type sliding slot 41 can restricted T type sliding block 101 towards perpendicular to the direction of T-type sliding slot 41 move, T-type sliding block 101 can only be along T-type sliding slot 41
Length direction sliding.
Locating part is gag lever post 102, and 101 one end of T-type sliding block is stretched out T-type sliding slot 41 and is fixedly connected with 102 phase of gag lever post,
Gag lever post 102 can be slided by T-type sliding block 101 along T-type sliding slot 41.Gag lever post 102 is vertically arranged, and top is upper higher than pallet fork 4
The shelf 5 on pallet fork 4 are lifted towards far from car body 1 in surface（See Fig. 6）Direction can be with gag lever post 102 when being moved with respect to pallet fork 4
It abuts against.
4 upper edge T-type sliding slot 41 of pallet fork offers row's location hole 42, and locating piece is positioning pin 103, positioning pin 103 with
102 phase of gag lever post runs through grafting, and positioning pin 103 may pass through gag lever post 102 and be plugged with location hole 42, to limit gag lever post 102
Towards far from car body 1（See Fig. 6）Direction moved with respect to pallet fork 4, to limit shelf 5 towards the direction far from car body 1 with respect to pallet fork 4
Movement reduces the possibility that shelf 5 are slipped down towards the direction far from car body 1 from pallet fork 4.
As shown in figure 8, location hole 42 is uniformly distributed along T-type sliding slot 41, the inner diameter of location hole 42 is 0.5cm-
1.5cm, the centre distance between adjacent positioned hole 42 are 2cm-3cm.
In conjunction with Fig. 9, location hole 42 and positioning pin 103 all have certain taper, towards the direction in remotely located hole 42, positioning
The diameter of pin 103 gradually increases, convenient for positioning pin 103 is inserted into location hole 42 or extracts positioning pin 103 out of location hole 42,
Positioning pin 103 is not easy stuck in location hole 42.
Gag lever post 102 is fixedly connected with slide plate 104, the coefficient of sliding friction ratio on 104 surface of slide plate on one side close to pallet fork 4
It is smaller, during T-type sliding block 101 is slided along T-type sliding slot 41, the friction resistance between gag lever post 102 and pallet fork 4 can be reduced
Power.102 lower surface of gag lever post is fixedly connected with reinforcement block 105, and 102 upper end of gag lever post is by horizontal and far from 4 direction of pallet fork
After active force, 102 upper end of gag lever post has the trend towards the direction movement far from pallet fork 4, in T-type sliding block 101 and gag lever post 102
Connection will produce larger moment of flexure, and reinforcement block 105 can be abutted against with 4 surface of pallet fork, and limitation gag lever post 102 deflects, and improves
Bonding strength between gag lever post 102 and T-type sliding block 101.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. one kind having anti-slip pallet fork（4）Fork truck, including be used to lift shelf（5）Pallet fork（4）, it is characterized in that：Shelf
（5）Bottom surface is fixedly connected with upper rack（7）, pallet fork（4）Upper surface is fixedly connected with upper rack（7）；Pallet fork（4）By shelf（5）
After lifting, upper rack（7）On tooth and lower rack（6）On tooth intermeshing；Upper rack（7）On tooth and lower rack
（6）On tooth is horizontally disposed and and pallet fork（4）Length direction it is perpendicular.
2. according to claim 1 a kind of with anti-slip pallet fork（4）Fork truck, it is characterized in that：The upper rack（7）With
The lower rack（6）Cross-sectional shape be isosceles triangle.
3. according to claim 1 a kind of with anti-slip pallet fork（4）Fork truck, it is characterized in that：The upper rack（7）On
Tooth be apical tooth（71）, the lower rack（6）On tooth be bottom tooth（61）；Apical tooth（71）Angle between the adjacent flank of tooth and bottom
Tooth（61）Angle between the adjacent flank of tooth is 45 ° -75 °.
4. according to claim 1 a kind of with anti-slip pallet fork（4）Fork truck, it is characterized in that：The upper rack（7）On
Tooth be apical tooth（71）, apical tooth（71）The adjacent flank of tooth of tooth top between be equipped with tooth top knuckle（8）.
5. according to claim 1 a kind of with anti-slip pallet fork（4）Fork truck, it is characterized in that：The lower rack（6）On
Tooth be bottom tooth（61）, bottom tooth（61）The adjacent flank of tooth of tooth top between be equipped with tooth top knuckle（8）.
6. according to claim 1 a kind of with anti-slip pallet fork（4）Fork truck, it is characterized in that：The upper rack（7）On
Tooth be apical tooth（71）, apical tooth（71）The adjacent flank of tooth of bottom of the tooth between be equipped with bottom of the tooth knuckle（9）.
7. according to claim 1 a kind of with anti-slip pallet fork（4）Fork truck, it is characterized in that：The lower rack（6）On
Tooth be bottom tooth（61）, bottom tooth（61）The adjacent flank of tooth of bottom of the tooth between be equipped with bottom of the tooth knuckle（9）.
8. according to claim 1 a kind of with anti-slip pallet fork（4）Fork truck, it is characterized in that：The upper rack（7）On
Tooth be apical tooth（71）, apical tooth（71）The adjacent flank of tooth of tooth top between be equipped with tooth top knuckle（8）；The lower rack（6）On
Tooth be bottom tooth（61）, bottom tooth（61）The adjacent flank of tooth of tooth top between also be provided with tooth top knuckle（8）；The upper rack（7）
On tooth be apical tooth（71）, apical tooth（71）The adjacent flank of tooth of bottom of the tooth between be equipped with bottom of the tooth knuckle（9）；The lower rack（6）
On tooth be bottom tooth（61）, bottom tooth（61）The adjacent flank of tooth of bottom of the tooth between be equipped with bottom of the tooth knuckle（9）；Tooth top knuckle
（8）Radius be more than base angle knuckle radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820244009.0U CN207890988U (en) | 2018-02-10 | 2018-02-10 | A kind of fork truck with anti-slip pallet fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820244009.0U CN207890988U (en) | 2018-02-10 | 2018-02-10 | A kind of fork truck with anti-slip pallet fork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207890988U true CN207890988U (en) | 2018-09-21 |
Family
ID=63542893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820244009.0U Expired - Fee Related CN207890988U (en) | 2018-02-10 | 2018-02-10 | A kind of fork truck with anti-slip pallet fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207890988U (en) |
-
2018
- 2018-02-10 CN CN201820244009.0U patent/CN207890988U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180921 Termination date: 20200210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |