CN109422212A - Pallet fork and tray carriage with the pallet fork - Google Patents
Pallet fork and tray carriage with the pallet fork Download PDFInfo
- Publication number
- CN109422212A CN109422212A CN201710724594.4A CN201710724594A CN109422212A CN 109422212 A CN109422212 A CN 109422212A CN 201710724594 A CN201710724594 A CN 201710724594A CN 109422212 A CN109422212 A CN 109422212A
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- China
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- pallet fork
- arm
- fork arm
- handover
- guide groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
- B66F9/16—Platforms; Forks; Other load supporting or gripping members inclinable relative to mast
- B66F9/165—Foldable forks, i.e. where only the horizontal section moves
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Pallets (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention belongs to material conveyance equipment technical fields, are related to a kind of pallet fork and the tray carriage with the pallet fork, which includes sequentially connected first pallet fork arm, handover arm, the second pallet fork arm, and the locking mechanism being slidably arranged on pallet fork；When locking mechanism is located at releasing position, the first pallet fork arm opposite can join arm and be rotated down, and handover arm can be rotated down with respect to the second pallet fork arm；It is aligned between the first pallet fork arm, handover arm and the second pallet fork arm when locking mechanism is located at latched position.The pallet fork is when with certain slope ground place, handover arm is rotated down relative to the plane of the second pallet fork arm, first pallet fork arm is rotated down relative to the plane of handover arm, at this time in a free state, pallet fork can be matched with the gradient in ground place, and by the influence of gravity, pallet fork can be using automatic attaching as the angle in ramp, pallet fork front end can be parallel with fork plate, convenient for pitching into fork plate.
Description
Technical field
The invention belongs to material conveyance equipment technical fields, more particularly to a kind of pallet fork and with the pallet of the pallet fork
Vehicle.
Background technique
The prior art is used for logistics transportation tray vehicle, and the work-yard for carrying out material carrying includes ground grading place
With the springboard with certain slope ground place, between certain slope ground the place such as load bed and vehicle.When tray carriage is transported
For row when with certain slope ground place, ramp and the fork plate for the carrying material being horizontally arranged can have that angle is inconsistent to ask
Topic, easily leading to pallet fork cannot be introduced into fork plate, to be unable to complete the work of material carrying.
The method for solving the problems, such as this at present includes: first is that tray carriage is led to using the scheme of vehicle head part inclination raising with it
Cross the angle problem that gradient ground place is offset in raising movement, so that pallet fork be enable to pitch into fork plate, however the program is inclined
Oblique raising structure is complex；First is that tray carriage is changed to Counterbalanced forklift, to pass through the anteversion and retroversion of Counterbalanced forklift door frame
Function offsets the angle problem in gradient ground place, so that pallet fork is enable to pitch into fork plate, however the program need to be used to have and be put down
Weight fork truck, replacement vehicle expend the time, reduce the efficiency that material is carried.
Summary of the invention
The technical problems to be solved by the present invention are: for existing tray carriage when being used with certain slope ground place
Angle problem leads to not the defect into fork plate, provides a kind of pallet fork.
In order to solve the above technical problems, on the one hand, the embodiment of the present invention provides a kind of pallet fork, it to be used for tray carriage, the goods
Fork includes sequentially connected first pallet fork arm, handover arm, the second pallet fork arm, and the locking machine being slidably arranged on the pallet fork
Structure；The handover arm is arranged between the first pallet fork arm and the second pallet fork arm, one end and described first of the handover arm
One end of pallet fork arm is flexibly connected, and the other end of the handover arm is flexibly connected with one end of the second pallet fork arm,
When the locking mechanism is located at releasing position, the first pallet fork arm can the relatively described handover arm to backspin
Turn, the handover arm can the relatively described second pallet fork arm be rotated down；
When the locking mechanism is located at latched position, the rotation between the first pallet fork arm and handover arm is locked,
Rotation between the handover arm and the second pallet fork arm is locked, the first pallet fork arm, handover arm and the second pallet fork arm
Between it is aligned.
Optionally, the relatively described handover arm of the first pallet fork arm can be rotated down 90 degree, and the handover arm is relatively described
Second pallet fork arm can be rotated down 90 degree.
Optionally, the first pallet fork arm is equipped with the first guiding mechanism along the first pallet fork arm lengths direction, described
Second pallet fork arm is equipped with the second guiding mechanism along the second pallet fork arm lengths direction；It is described to be released when the locking mechanism is located at
When putting position, the locking mechanism is slid on first guiding mechanism or second guiding mechanism；It is described to work as the lock
When determining mechanism and being located at latched position, the locking mechanism is slid on first guiding mechanism and second guiding mechanism.
Optionally, first guiding mechanism includes the first guide groove, and second guiding mechanism includes the second guide groove；
First guide groove and second guide groove are separately positioned on the inner wall of the first pallet fork arm and the second pallet fork arm；Institute
Locking mechanism is stated to be slidably arranged on first guide groove and/or second guide groove.
Optionally, first guiding mechanism includes the 1 be arranged on the opposite inner sidewall of the first pallet fork arm
Guide groove and the one or two guide groove, second guiding mechanism include being arranged on the opposite inner sidewall of the second pallet fork arm
2nd 1 guide groove and the two or two guide groove；
It is described when the locking mechanism is located at releasing position, the locking mechanism be slidably arranged in it is described 1st guiding
On slot and the 2nd 1 guide groove or the one or two guide groove and two or two guide groove；
It is described when the locking mechanism is located at latched position, the locking mechanism be slidably arranged in it is described 1st guiding
On slot and the 2nd 1 guide groove and the one or two guide groove and two or two guide groove.
Optionally, the locking mechanism includes two parallel arrangement of first sliding bars and the second sliding bar and setting
Connecting plate between first sliding bar and the second sliding bar, first sliding bar are slidably arranged in the described 1st and lead
To on slot and/or the 2nd 1 guide groove, second sliding bar is slidably arranged in the one or two guide groove and/or described
On two or two guide groove.
Optionally, the pallet fork further includes locking button, and the side wall of the first pallet fork arm is arranged in the locking button
On, the locking button includes barrier plate and button, and the barrier plate is arranged along the first pallet fork arm lengths direction described
The inside sidewalls of first pallet fork arm, the middle part of the barrier plate is arranged in the button and the button is provided projectingly described
The side-wall outer side of first pallet fork arm；The locking mechanism includes a nose bar, and nose bar setting is in first sliding bar or the
Two sliding bars are close to one end of the first pallet fork arm.
Optionally, the top surface of the handover arm has the first flange part and second goods towards the first pallet fork arm
Second flange part of yoke, the first pallet fork arm and the second pallet fork arm are respectively provided with and first flange part and the second flange
Corresponding first concave edge portion, portion and the second concave edge portion；The lower section that first flange part and first concave edge portion connect is equipped with the
The lower section that one baffle, second flange part and second concave edge portion connect is equipped with second baffle.
Optionally, the first pallet fork arm includes the first pallet fork arm top surface and is located at the first pallet fork arm top surface two
The first pallet fork arm side wall that side extends downwardly, the handover arm include the handover arm top surface and are located at the handover arm top
The handover arm side wall that face two sides extend downwardly, the second pallet fork arm include the second pallet fork arm top surface and are located at described
The second pallet fork arm side wall that second pallet fork arm top surface two sides extends downwardly；One end of the first pallet fork arm side wall and the handover
One end of arm side wall is flexibly connected by the first hinging rotary axis group, the other end and second pallet fork of the handover arm side wall
One end of arm side wall is flexibly connected by the second hinging rotary axis group.
Optionally, the first hinging rotary axis group includes the one one hinging rotary axis and the one or two hinging rotary axis, institute
It states the one one hinging rotary axis and is arranged in the first side wall one end of the first pallet fork arm and the first side wall one of the handover arm
Through-hole at endlap conjunction, the one or the two hinging rotary axis be arranged in the first pallet fork arm second sidewall one end and the friendship
Connect the through-hole at second sidewall one end overlapping of arm；The second hinging rotary axis group includes the 2nd 1 hinging rotary axis and second
Two hinging rotary axis, the 2nd 1 hinging rotary axis be arranged in the second pallet fork arm the first side wall one end and the handover
Through-hole at the first side wall one end overlapping of arm, the two or the two hinging rotary axis are arranged in second side of the second pallet fork arm
Through-hole at second sidewall one end overlapping of wall one end and the handover arm.
On the other hand, the embodiment of the present invention provides a kind of tray carriage, which includes that pallet vehicle main body and two set parallel
The pallet fork set.
Pallet fork according to an embodiment of the present invention, including sequentially connected first pallet fork arm, handover arm and the second pallet fork arm,
And locking mechanism, when the locking mechanism is located at releasing position, the first pallet fork arm can the relatively described handover arm to
Lower rotation, the handover arm can the relatively described second pallet fork arm be rotated down, at this time when with certain slope ground place
When, the handover arm can be rotated down around the second hinging rotary axis group relative to the plane of the second pallet fork arm, described
First pallet fork arm can be rotated down around the first hinging rotary axis group relative to the plane of the handover arm, at this time in free shape
Under state, pallet fork can be matched with the gradient in ground place, and by the influence of gravity, pallet fork can be using automatic attaching as the angle in ramp
Degree, pallet fork front end can be parallel with fork plate, convenient for pitching into fork plate.Pallet fork of the invention uses three stage structure, and structure is simple, fits
For ground grading place and there is certain slope ground place.
Detailed description of the invention
Fig. 1 is the top view (expansion shape) for the pallet fork that one embodiment of the invention provides；
Fig. 2 is the perspective view (expansion shape) for the pallet fork that one embodiment of the invention provides；
Fig. 3 is the perspective view (rugosity) for the pallet fork that one embodiment of the invention provides；
Fig. 4 is the bottom view (expansion shape) for the pallet fork that one embodiment of the invention provides；
Fig. 5 is the side view (rugosity) for the pallet fork that one embodiment of the invention provides；
Fig. 6 is the side view of its locking button of the pallet fork of one embodiment of the invention offer；
Fig. 7 is the perspective view of its locking button of the pallet fork of one embodiment of the invention offer；
Fig. 8 is the top view of its locking mechanism of the pallet fork of one embodiment of the invention offer；
Fig. 9 is its main view for joining arm of the pallet fork of one embodiment of the invention offer；
Figure 10 is its location diagram for joining arm and baffle of the pallet fork of one embodiment of the invention offer；
Figure 11 is the location diagram of its locking button and locking mechanism of the pallet fork of one embodiment of the invention offer；
Figure 12 is the side view (bending) for the pallet fork that one embodiment of the invention provides.
Appended drawing reference in specification is as follows:
1, the first pallet fork arm；2, the second pallet fork arm；3, join arm；4, locking mechanism；5, locking button；9, pallet car owner
Body；
11, the one one guide groove；12, the one or two guide groove；21, the 2nd 1 guide groove；22, the two or two guide groove；31, it pushes up
Face；(32,33), side wall；34, the first flange part；35, the second flange part；41, the first sliding bar；42, the second sliding bar；43, even
Fishplate bar；44, nose bar；51, barrier plate；52, button；61, first baffle；62, second baffle；71, the first hinging rotary axis group；
72, the second hinging rotary axis group；
100, the first concave edge portion；200, the second concave edge portion.
Specific embodiment
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Also referring to shown in Fig. 1-12, a kind of pallet fork for tray carriage that one embodiment of the invention provides, the pallet fork
Including the first pallet fork arm 1, the second pallet fork arm 2, handover arm 3, and the locking mechanism 4 being slidably arranged on the pallet fork.
The handover arm 3 is arranged between the first pallet fork arm 1 and the second pallet fork arm 2, one end of the handover arm 3 with
One end of the first pallet fork arm 1 is flexibly connected, one end activity of the other end and the second pallet fork arm 2 of the handover arm 3
Connection, wherein the first pallet fork arm 1 is additionally provided with carrying roller (not shown) in one end far from handover arm 3, i.e. the carrying roller
The prong of pallet fork is set.
When the locking mechanism 4 is located at releasing position, the first pallet fork arm 1 can the handover arm 3 be downwards relatively
Rotation, the handover arm 3 can the relatively described second pallet fork arm 2 be rotated down；As shown in figure 12, at this time when with certain slope
When spending ground place, the handover arm can be downward relative to the plane of the second pallet fork arm around the second hinging rotary axis group
Rotation, the first pallet fork arm can be rotated down around the first hinging rotary axis group relative to the plane of the handover arm, this
When in a free state, pallet fork can be matched with the gradient in ground place, and by the influence of gravity, pallet fork can be with automatic attaching
The angle in ramp, pallet fork front end can be parallel with fork plate, convenient for pitching into fork plate.
When the locking mechanism 4 is located at latched position, the rotation between the first pallet fork arm 1 and handover arm 3 is locked
Fixed, the rotation between the handover arm 3 and the second pallet fork arm 2 is locked, the first pallet fork arm 1, handover arm 3 and second
It is aligned between pallet fork arm 2；As shown in Fig. 2, pallet fork is in expansion shape, pallet fork and biography at this time at ground grading place
It is unified to cause, it is used convenient for conventional.
In another embodiment, as shown in Figures 3 and 5, the handover arm 3 can be vertical around the second hinging rotary axis group 72
90 degree can be rotated down in the plane of the second pallet fork arm 2, the first pallet fork arm 1 can be around the first hinging rotary axis group
71 can be rotated by 90 ° inwardly perpendicular to the plane for joining arm 3, join arm 3 and the first pallet fork arm 1 is successively rotated by 90 ° this
When the first pallet fork arm 1 be located at the lower section of the second pallet fork arm 2.In the case, the first pallet fork arm 1 of pallet fork, handover arm 3 can be opposite
Horizontal direction downwardly turns over, and the form overturn can reduce volume, is readily transported.
In above-mentioned two embodiment, the first pallet fork arm 1 includes the first pallet fork arm top surface and is located at first goods
The first pallet fork arm side wall that yoke top surface two sides extend downwardly, the handover arm 3 include the handover arm top surface and are located at
The handover arm side wall that the handover arm top surface two sides extend downwardly, the second pallet fork arm 2 include the second pallet fork arm top surface
With the second pallet fork arm side wall for being located at the second pallet fork arm top surface two sides and extending downwardly；The first pallet fork arm side wall
One end is flexibly connected with one end of the handover arm side wall by the first hinging rotary axis group 71, described to join the another of arm side wall
End is flexibly connected with one end of the second pallet fork arm side wall by the second hinging rotary axis group 72.
In one embodiment, the first hinging rotary axis group 71 includes the one one hinging rotary axis and the one or two hinged rotation
Shaft, the one one hinging rotary axis be arranged in the first pallet fork arm 1 the first side wall one end and the handover arm 3 the
Through-hole at the overlapping of one side wall one end, the one or the two hinging rotary axis are arranged in the second sidewall one of the first pallet fork arm 1
End and the through-hole at second sidewall one end overlapping of the handover arm 3；The second hinging rotary axis group 72 includes the 2nd 1 hinge
Rotary shaft and the two or two hinging rotary axis are connect, the 2nd 1 hinging rotary axis is arranged in the first side of the second pallet fork arm 2
Through-hole at the first side wall one end overlapping of wall one end and the handover arm 3, the two or the two hinging rotary axis is arranged in described
Through-hole at second sidewall one end overlapping of second sidewall one end of second pallet fork arm 2 and the handover arm 3.
Wherein, the first pallet fork arm 1 is equipped with the first guiding mechanism along 1 length direction of the first pallet fork arm, described
Second pallet fork arm 2 is equipped with the second guiding mechanism along 2 length direction of the second pallet fork arm, the sliding of locking mechanism 4 setting
On first guiding mechanism and the second guiding mechanism.Make it in first guiding mechanism when the mobile locking mechanism 4 and
On second guiding mechanism, as shown in Fig. 2, the locking mechanism is located at latched position, pallet fork can be used in expansion shape, pallet fork at this time
Ground grading place；When movement, the locking mechanism 4 makes it on first guiding mechanism or the second guiding mechanism, the locking
Mechanism is located at releasing position, as shown in figure 12, at this time for as shown in Figures 3 and 5, revolving when with certain slope ground place
Deliver connect arm 3 and the first pallet fork arm 1 at this time pallet fork be in rugosity, volume can be reduced, be readily transported.
Wherein, expansion shape is the first pallet fork arm 1, the upper surface of handover arm 3, the second pallet fork arm 2 is in same level；
Rugosity is the lower section that the second pallet fork arm 2 is located at the first pallet fork arm 1, and the upper surface of the second pallet fork arm 2 and the first pallet fork arm 1 is mutual
In parallel, upper surface of the upper surface of the handover arm 3 perpendicular to the second pallet fork arm 2 and the first pallet fork arm 1.
When pallet fork is rugosity, the first hinging rotary axis group 71 and the second hinging rotary axis group 72 are to the first pallet fork arm 1
It is limited with the revolution space of handover arm 3, to guarantee maximum angle >=90 degree of rotation.
In one embodiment, which includes the first guide groove, and the second guiding mechanism includes the second guide groove；
First guide groove and second guide groove are separately positioned on the inner wall of the first pallet fork arm 1 and the second pallet fork arm 2,
And first guide groove and second guide groove are located along the same line, locking mechanism 4 is slidably arranged in described first and leads
To on slot and/or second guide groove；Specifically, locking mechanism 4 is slidably arranged in first guide groove or described second
When on guide groove, the locking mechanism is located at releasing position；Locking mechanism 4 is slidably arranged in first guide groove and described
When on two guide grooves, the locking mechanism is located at latched position；In this implementation, which can be the first pallet fork arm 1 and second
The inner sidewall or inner roof wall of pallet fork arm 2.
In one embodiment, as shown in figure 4, first guiding mechanism includes the one one guide groove 11 and the one or two guide groove
12, the one one guide groove 11 and the one or two guide groove 12 are separately positioned on the opposite inside of the first pallet fork arm 1
On wall, i.e. the one one guide groove 11 and the one or two guide groove 12 are symmetricly set on the inner sidewall of the first pallet fork arm 1；Equally
, the second guiding mechanism includes the 2nd 1 guide groove 21 and the two or two guide groove 22, the 2nd 1 guide groove 21 and described the
Two or two guide grooves 22 are separately positioned on the opposite inner sidewall of the second pallet fork arm 2.
Wherein, the one one guide groove 11 and the 2nd 1 guide groove 21 are located along the same line, and the described 1st
Guide groove 12 and the two or two guide groove 22 are located along the same line.
When the locking mechanism is located at releasing position, the locking mechanism be slidably arranged in the one one guide groove with
On 2nd 1 guide groove or the one or two guide groove and two or two guide groove；It is described to be located at when the locking mechanism
When latched position, the locking mechanism is slidably arranged in the one one guide groove and the 2nd 1 guide groove and described the
On one or two guide grooves and two or two guide groove.
Further, as shown in figure 8, the locking mechanism 4 includes that two parallel arrangement of first sliding bars 41 and second are sliding
Lever 42 and the connecting plate 43 being arranged between first sliding bar 41 and the second sliding bar 42, wherein described first is sliding
Lever 41 and the second sliding bar 42 are slidably arranged in respectively on first guiding mechanism and the second guiding mechanism；Specifically, should
First sliding bar 41 moves between the one one guide groove 11 and the 2nd 1 guide groove 21, and second sliding bar 42 is first
It is moved between two guide grooves 12 and the two or two guide groove 22, and the movement of the first sliding bar 41 and the second sliding bar 42 is same
Step, which can be plate, arc shape board.
It, can be simultaneously in the first pallet fork arm 1 and the second pallet fork arm using the locking mechanism 4 with connecting board structure in this implementation
2 two inner sidewalls are mobile, improve locking mechanism 4 and keep to the rigidity of pallet fork expansion shape, while can be realized together by connecting plate 43
Moved further locking mechanism 4 makes locking mechanism 4 facilitate switching between expansion shape and rugosity to pallet fork.
In one embodiment, as shown in Figures 6 and 7, pallet fork of the invention further includes locking button 5, the locking button 5 setting
In the wherein one side wall of the first pallet fork arm 1.The locking button 5 includes barrier plate 51 and button 52, and the barrier plate 51 is along the
The inside sidewalls of the first pallet fork arm 1 are arranged in one pallet fork arm, 1 length direction, which can be stick-like, strip plate
Shape.
The middle part of the barrier plate 51 is arranged in the button 52 and the button 52 is provided projectingly in first pallet fork
The side-wall outer side of arm 1；On the other side, as shown in figure 8, the locking mechanism 4 includes a nose bar 44, the nose bar 44 is arranged in institute
The first sliding bar 41 or the second sliding bar 42 are stated close to one end of the first pallet fork arm 1, and towards the side wall of the first pallet fork arm 1
Protrusion.The motion profile of the locking button 5 is vertical with tray carriage driving direction, and the external force collision that can avoid under routine operating condition causes
It is mobile, and by the extraneous factor of gravity, so that the mechanism moment is kept limit state.
As shown in figure 11, matching relationship between the locking button 5 and locking mechanism 4 are as follows:
When pallet fork is expansion shape (when the locking mechanism is located at latched position), the barrier plate 51 of locking button 5 is close
Handover 3 one end of arm and the nose bar 44 of locking mechanism 4 offset, and locking mechanism 4 is locked in the first guiding mechanism and the second guiding at this time
In mechanism；
When pallet fork is rugosity (when the locking mechanism is located at releasing position), the barrier plate 51 of locking button 5 is separate
Handover 3 one end of arm and the nose bar 44 of locking mechanism 4 offset, and locking mechanism 4 is locked on the second guiding mechanism at this time；
When pallet fork is in expansion shape and rugosity switches, the button 52 of locking button 5 is lifted, the resistance of locking button 5 is made
Baffle 51 is mobile to the side wall of the second pallet fork arm 2, so that barrier plate 51 no longer offsets with the nose bar 44 of locking mechanism 4, locks at this time
Determining mechanism 4 can move between the first guiding mechanism and the second guiding mechanism.
When matching relationship is that shape and rugosity, that is, pallet fork overturning is unfolded in pallet fork between the above locking button 5 and locking mechanism 4,
When it is equally applicable to pallet fork bending, in that case, the rugosity of pallet fork replaces with bending.
In one embodiment, as shown in figure 9, the handover arm 3 includes top surface 31 and is located at 31 two sides of top surface
Side wall (32,33), and the handover arm 3 is generally U-shaped；Further, as shown in Figure 1, the top surface 31 is in pallet fork length
Have on direction towards the first flange part 34 of the first pallet fork arm 1 and the second flange part 35 of the second pallet fork arm 2, described the
One pallet fork arm 1 and the second pallet fork arm 2 are respectively provided with first concave edge corresponding with first flange part 34 and the second flange part 35
Portion 100 and the second concave edge portion 200；The correspondence is specifically, when pallet fork is in expansion shape, the first flange part 34 and the first concave edge portion
100 just connect and do not interfere, likewise, the second flange part 35 and the second concave edge portion 200 just connect and do not interfere.
In a preferred embodiment, as shown in figs. 1 and 10,100 phase of first flange part 34 and first concave edge portion
The lower section connect is equipped with first baffle 61, and the lower section that second flange part 35 and second concave edge portion 200 connect is equipped with second
Baffle 62 makes the rugosity of pallet fork be limited to a direction of rotation, i.e. the second pallet fork by first baffle 61 and second baffle 62
Arm 2 is located at 1 lower section of the first pallet fork arm, rather than the second pallet fork arm 2 is located at 1 top of the first pallet fork arm, to meet in material is carried
The demand of load-bearing.
Pallet fork according to an embodiment of the present invention, including sequentially connected first pallet fork arm, handover arm and the second pallet fork arm,
The junction of first pallet fork arm and handover arm is equipped with the first hinging rotary axis group, and the junction of handover arm and the second pallet fork arm is equipped with
Second hinging rotary axis group；When with certain slope ground place, make join arm around the second hinging rotary axis group perpendicular to
The plane of second pallet fork arm is rotated down 90 degree, the first pallet fork arm around the first hinging rotary axis group perpendicular to handover arm plane to
Inside is rotated by 90 °, and the first pallet fork arm is in the lower section of the second pallet fork arm at this time, so that pallet fork volume is reduced, with certain slope
Ground place is spent in use, pallet fork is by the angle in the automatic attaching ramp, and then pallet fork front end and fork plate are flat by gravity
Row, is pitched convenient for pallet fork into fork plate.
Pallet fork of the invention uses three stage structure, without changing lift oil tank or control strategy, and in Geng great Po
It also can be implemented under the operating condition of degree, instead of the door frame anteversion and retroversion function of Counterbalanced forklift；Complex road surface when driving, the pallet fork
Carrying roller on frame can also be to avoid hanging, it is ensured that the frictional force with ground guarantees traffic safety；The function of pallet fork overturning is also just
More spaces are saved in transport.
As shown in figure 12, the embodiment of the present invention also provides a kind of tray carriage, the tray carriage include pallet vehicle main body 9 and two simultaneously
One or more pallet forks in above-described embodiment of row setting.More preferably, the second pallet fork arm is arranged in locking button
Inside, which is the opposite side of two parallel pallet forks, to can avoid locking button by external impact.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (11)
1. a kind of pallet fork, be used for tray carriage, which is characterized in that the pallet fork include sequentially connected first pallet fork arm, handover arm,
Second pallet fork arm, and the locking mechanism being slidably arranged on the pallet fork；The handover arm is arranged in the first pallet fork arm
Between the second pallet fork arm, one end of the handover arm is flexibly connected with one end of the first pallet fork arm, the handover arm
The other end is flexibly connected with one end of the second pallet fork arm,
When the locking mechanism is located at releasing position, the first pallet fork arm can the relatively described handover arm be rotated down, institute
State handover arm can the relatively described second pallet fork arm be rotated down；
When the locking mechanism is located at latched position, the rotation between the first pallet fork arm and handover arm is locked, described
The rotation joined between arm and the second pallet fork arm is locked, between the first pallet fork arm, handover arm and the second pallet fork arm
It is aligned.
2. pallet fork according to claim 1, which is characterized in that the relatively described handover arm of the first pallet fork arm can be to backspin
It turn 90 degrees, the relatively described second pallet fork arm of the handover arm can be rotated down 90 degree.
3. pallet fork according to claim 1 or 2, which is characterized in that the first pallet fork arm is equipped with along first pallet fork
First guiding mechanism in arm lengths direction, the second pallet fork arm are equipped with the second guiding along the second pallet fork arm lengths direction
Mechanism；
It is described when the locking mechanism is located at releasing position, the locking mechanism slides into first guiding mechanism or described
On second guiding mechanism；
It is described when the locking mechanism is located at latched position, the locking mechanism slides into first guiding mechanism and described
On second guiding mechanism.
4. pallet fork according to claim 3, which is characterized in that first guiding mechanism includes the first guide groove, described
Second guiding mechanism includes the second guide groove；First guide groove and second guide groove are separately positioned on first goods
On the inner wall of yoke and the second pallet fork arm；The locking mechanism is slidably arranged in first guide groove and/or described second leads
To on slot.
5. pallet fork according to claim 3, which is characterized in that first guiding mechanism includes being arranged in first goods
The one one guide groove and the one or two guide groove on the opposite inner sidewall of yoke, second guiding mechanism include being arranged described
The 2nd 1 guide groove and the two or two guide groove on the opposite inner sidewall of second pallet fork arm；
It is described when the locking mechanism is located at releasing position, the locking mechanism be slidably arranged in the one one guide groove with
On 2nd 1 guide groove or the one or two guide groove and two or two guide groove；
It is described when the locking mechanism is located at latched position, the locking mechanism be slidably arranged in the one one guide groove with
On 2nd 1 guide groove and the one or two guide groove and two or two guide groove.
6. pallet fork according to claim 5, which is characterized in that the locking mechanism includes two parallel arrangement of first and slides
Lever and the second sliding bar and the connecting plate being arranged between first sliding bar and the second sliding bar, described first is sliding
Lever is slidably arranged on the one one guide groove and/or the 2nd 1 guide groove, the second sliding bar sliding setting
On the one or two guide groove and/or the two or two guide groove.
7. pallet fork according to claim 6, which is characterized in that the pallet fork further includes locking button, the locking button
It is arranged on the side wall of the first pallet fork arm, the locking button includes barrier plate and button, and the barrier plate is along described
The inside sidewalls of the first pallet fork arm are arranged in one pallet fork arm lengths direction, and the button is arranged in the barrier plate
Portion and the button are provided projectingly the side-wall outer side in the first pallet fork arm；The locking mechanism includes a nose bar, described convex
First sliding bar or the second sliding bar is arranged in close to one end of the first pallet fork arm in bar.
8. pallet fork according to claim 1 or 2, which is characterized in that the top surface of the handover arm has towards described first
Second flange part of the first flange part of pallet fork arm and the second pallet fork arm, the first pallet fork arm and the second pallet fork arm difference
With with first flange part and the second flange part corresponding first concave edge portion and the second concave edge portion；First flange part and
The lower section that first concave edge portion connects is equipped with first baffle, the lower section that second flange part and second concave edge portion connect
Equipped with second baffle.
9. pallet fork according to claim 1 or 2, which is characterized in that the first pallet fork arm includes the first pallet fork arm top surface
With the first pallet fork arm side wall for being located at the first pallet fork arm top surface two sides and extending downwardly, the handover arm includes the friendship
It connects arm top surface and is located at the handover arm side wall that the handover arm top surface two sides extend downwardly, the second pallet fork arm packet
It includes the second pallet fork arm top surface and is located at the second pallet fork arm side wall that the second pallet fork arm top surface two sides extend downwardly；
One end of the first pallet fork arm side wall and one end of the handover arm side wall are connected by the first hinging rotary axis group activity
It connects, the other end of the handover arm side wall and one end of the second pallet fork arm side wall are connected by the second hinging rotary axis group activity
It connects.
10. pallet fork according to claim 9, which is characterized in that the first hinging rotary axis group includes the one one hinged
Rotary shaft and the one or two hinging rotary axis, the one one hinging rotary axis are arranged in the first side wall one of the first pallet fork arm
End is arranged in first goods with the through-hole at the first side wall one end overlapping of the handover arm, the one or the two hinging rotary axis
Through-hole at second sidewall one end overlapping of second sidewall one end of yoke and the handover arm；The second hinging rotary axis group
Including the 2nd 1 hinging rotary axis and the two or two hinging rotary axis, the 2nd 1 hinging rotary axis is arranged in second pallet fork
Through-hole at the first side wall one end overlapping of the first side wall one end of arm and the handover arm, the two or the two hinging rotary axis are worn
Through-hole at second sidewall one end of the second pallet fork arm and second sidewall one end overlapping of the handover arm.
11. a kind of tray carriage, which is characterized in that parallel arrangement of as claim 1-10 is any one including pallet vehicle main body and two
Pallet fork described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710724594.4A CN109422212B (en) | 2017-08-22 | 2017-08-22 | Pallet fork and pallet truck with pallet fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710724594.4A CN109422212B (en) | 2017-08-22 | 2017-08-22 | Pallet fork and pallet truck with pallet fork |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109422212A true CN109422212A (en) | 2019-03-05 |
| CN109422212B CN109422212B (en) | 2020-03-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710724594.4A Active CN109422212B (en) | 2017-08-22 | 2017-08-22 | Pallet fork and pallet truck with pallet fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109422212B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111732034A (en) * | 2019-03-25 | 2020-10-02 | 三菱重工业株式会社 | Forklift and fork component thereof |
| CN114890347A (en) * | 2022-05-27 | 2022-08-12 | 广东泽和环保科技有限公司 | Fork and corrugated case conveyer |
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| CN114890347B (en) * | 2022-05-27 | 2024-04-26 | 广东泽和环保科技有限公司 | Pallet fork and corrugated case conveyer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109422212B (en) | 2020-03-20 |
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