CN109607430A - A kind of hand fork lifter with self-level(l)ing function - Google Patents
A kind of hand fork lifter with self-level(l)ing function Download PDFInfo
- Publication number
- CN109607430A CN109607430A CN201811586637.8A CN201811586637A CN109607430A CN 109607430 A CN109607430 A CN 109607430A CN 201811586637 A CN201811586637 A CN 201811586637A CN 109607430 A CN109607430 A CN 109607430A
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- China
- Prior art keywords
- movable supporting
- hydraulic
- supporting plate
- support claw
- level
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Classifications
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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
- B66F9/18—Load gripping or retaining means
-
- 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
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems
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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)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention belongs to drum technical field of transportation, and in particular to a kind of hand fork lifter with self-level(l)ing function.This fork truck includes movable supporting plate；Hinged cooperation is constituted between movable supporting plate tail end and support claw tail end, and the horizontally hinged axis axis of the two is vertically positioned at the tool axis of the disk on support claw；This fork truck further includes hydraulic jack, and the bottom end of the hydraulic jack is fixed at the front end of support claw, and the top vertical of hydraulic jack upwardly extends and support from bottom to top is at the lower face of movable supporting plate head end；This fork truck further includes the hydraulic package for driving two groups of hydraulic jacks being located at two support claw front ends to generate synchronization lifting movement, hydraulic package includes hydraulic pump, and hydraulic pump is connected at two groups of hydraulic jacks by fluid pressure line and via oil path distribution valve.The present invention can be simple and efficient ensure that fork truck support face is quickly in horizontality, to ensure that disk has the reliability and efficiency for penetrating movement of opposite pay off rack main shaft.
Description
Technical field
The invention belongs to drum technical field of transportation, and in particular to a kind of hand fork lifter with self-level(l)ing function.
Background technique
In twisted wire production process, it will use manual hydraulic tray fork truck and increase the drum for being loaded with several hundred kilograms of copper wire simultaneously
It is inserted on pay off rack main shaft.Since drum is heavier and is stuck between two support claw of fork truck, before if things go on like this will cause two support claws
End slightly separates, so that the center of gravity after car body load is preposition, front-wheel starts deformation and flattens, and abrasion is accelerated, and in turn results in support claw
Sinkage at head end.Once above-mentioned two support claw head end of fork truck sinks, it is unhorizontal to will cause fork truck support face, and then cause
Disk tool on fork truck support face is in axis heeling condition.The skewed disk tool of axis obviously can not smoothly horizontal direction be worn
Enter at pay off rack main shaft, and can frequently occur with the shock of pay off rack main shaft even card thorax situation, gently then influence twisted wire production
Efficiency, it is heavy then cause because of shock disk tool fallen by eminence, cause production accident.
Summary of the invention
The purpose of the present invention is overcoming above-mentioned the deficiencies in the prior art, a kind of manual fork with self-level(l)ing function is provided
Vehicle, can be simple and efficient ensure that fork truck support face is quickly in horizontality, to ensure that disk has penetrating for opposite pay off rack main shaft
The reliability and efficiency of movement.
To achieve the above object, the invention adopts the following technical scheme:
A kind of hand fork lifter with self-level(l)ing function, it is characterised in that: this fork truck includes that plate face is horizontal and one is a pair of
The movable supporting plate answering two groups of support claws of fork truck and being arranged；It is constituted between the movable supporting plate tail end and support claw tail end hinged
Cooperation, and the horizontally hinged axis axis of the two is vertically positioned at the tool axis of the disk on support claw；This fork truck further includes axis vertical
The bottom end of hydraulic jack, the hydraulic jack is fixed at the front end of support claw, and the top vertical of hydraulic jack is upward
Extend and support from bottom to top is at the lower face of movable supporting plate head end；This fork truck further includes being located at two branch for driving
Two groups of hydraulic jacks at support claw front end generate the hydraulic package of synchronization lifting movement, and hydraulic package includes hydraulic pump, hydraulic
Pump is connected at two groups of hydraulic jacks by fluid pressure line and via oil path distribution valve.
Preferably, the movable supporting plate shape is in downward opening right angle channel-shaped, the flute length side of two groups of movable supporting plates
To the length direction of parallel respective support pawl；The two axial ends of horizontally hinged axis are individually fixed in two cell wall of movable supporting plate tail end
Place, and the axle body level of horizontally hinged axis runs through support claw pawl body, to be formed between movable supporting plate tail end and support claw tail end
Hinged cooperation；The top of hydraulic jack is supported at together in movable supporting plate head end groove bottom.
Preferably, it also extends through and is provided with for avoiding fork truck head end idler wheel institute in place at the groove bottom of the movable supporting plate
The kidney-shaped avoid holes set, the pass length direction parallel support pawl length direction of the kidney-shaped avoid holes, and kidney-shaped avoid hole location
At the surface of fork truck head end idler wheel.
Preferably, the one side wall of the movable supporting plate is convexly equipped with placement seat, the top end face of the placement seat horizontally outward
The air-bubble level for monitoring the supporting surface horizontality of movable supporting plate is arranged in place.
Preferably, this fork truck further includes for realizing the relief valve of movable supporting plate reset function, the relief valve and oil
Between path distribution valve each other by lateral connection.
Preferably, supporting surface is concavely provided with the counterbore for disposing hydraulic jack at the support claw head end.
Preferably, the hydraulic pump is hand-hydraulic cylinder.
Preferably, the operating process of this fork truck is as follows:
After disk has entrucking, to intended height, observe support claw by air-bubble level later is the first whole support claw that is lifted
It is no to lean forward；If support claw leans forward, hydraulic pump pump oil is operated, hydraulic oil is transported to two groups of hydraulic jacks by oil path distribution valve,
To which the synchronization lift motion by two groups of hydraulic jacks realizes that movable supporting plate head end increases leveling movement, until bubble
Level vial is located at middle section, completes leveling process after confirmation movable supporting plate is horizontal, can carry out disk tool restocking operation.
The beneficial effects of the present invention are:
1), present invention incorporates the inherent structures of traditional manual fork truck, by being additionally arranged the articulated structure of movable supporting plate,
It may make movable supporting plate that can generate the hinge action upwarped along itself tail end, then provide hydraulic move with corresponding hydraulic circuit
The synchronization of jacking up function of the hydraulic jack of power, the structural improvement with easy to look for another way is to solve existing cable row
The tooling defect of disk on industry twisted wire.When specific operation, the present invention is not to adjust during disc transport tool or before process
Flat operation, but end up in transport and prepare to realize and carry out Levelling operation just now when carrying out to pay off rack main shaft and wear disk operation, with
Disk is avoided to have the reliability and efficiency for penetrating movement of opposite pay off rack main shaft.
To sum up, what the present invention not only can be simple and efficient ensures that fork truck support face is quickly in horizontality, finally avoids
Disk tool is not horizontal on fork truck and the upper disk bring production equipment of pressure hits deterioration extent, simultaneously because the improvement of its structure is base
It is carried out in existing fork truck, therefore update cost is extremely low, it is easy to use and reliable.
2), as the further preferred scheme of above scheme, movable supporting plate can directly be set as downward opening trough with straight angle
Shape, so as to block support claw using the vallecular cavity of movable supporting plate, to ensure that it carries structure of the huge heavy weight disk away from after
Stability.Meanwhile movable supporting plate is when generating hinge action, the two sides trough rim of movable supporting plate with support claw two sidewalls because matching
It closes and forms guide surface, further ensure the accuracy of movable supporting plate hinge action.
3), the setting of kidney-shaped avoid holes is allowed for when movable supporting plate drops to minimum point along horizontally hinged axis,
It is likely to be present in the movement interference situation at support claw between original fork truck head end idler wheel.By the way that kidney-shaped avoid holes are arranged, can keep away
Exempt from the generation of above-mentioned interference situation, to ensure that fork truck operates normally.
4), air-bubble level is for realizing the on-line monitoring purpose for whether being in horizontality to movable supporting plate, with benefit
In the operation present invention of facilitation, and the fast leveling purpose to movable supporting plate is realized rapidly and reliably.
5), after the entrucking of disk tool, first whole lifting support claw observes support claw by air-bubble level later to intended height
Whether lean forward；If support claw leans forward, hydraulic pump pump oil is operated, hydraulic oil is transported to two groups of hydraulic jacks by oil path distribution valve
Top, thus realize that movable supporting plate head end increases leveling movement by the synchronization lift motion of two groups of hydraulic jacks, until
Air-bubble level bubble is located at middle section, completes leveling process after confirmation movable supporting plate is horizontal, can carry out disk tool restocking
Operation.And after the completion of disk tool restocking, then the quick pressure releasing of the oil circuit of entire hydraulic jack can be realized by operating relief valve
Function obtains support plate with rapid reset.
Detailed description of the invention
Fig. 1 is positive structure schematic of the invention；
Fig. 2 is overlooking structure diagram of the invention；
Fig. 3 is the schematic perspective view of movable supporting plate.
The practical corresponding relationship of each label of the present invention and component names is as follows:
A- support claw b- fork truck head end idler wheel
The horizontally hinged axis 12- kidney-shaped avoid holes of 10- movable supporting plate 11-
20- hydraulic jack
31- hydraulic pump 32- fluid pressure line 33- oil path distribution valve 34- relief valve
40- placement seat 41- air-bubble level
50- counterbore
Specific embodiment
For ease of understanding, here in connection with Fig. 1-3, specific structure and working method of the invention are retouched further below
It states:
Specific structure of the invention is as shown in Figure 1-3, its structure includes two groups for playing bearing function in front of car body
Support claw a, two groups of support claw a close up in tail end and with the drivings of tail end idler wheel, and two groups of front ends support claw a are then respectively arranged one group
Fork truck head end idler wheel b.
On the basis of above structure, the invention also includes the movable supporting plates being buckled at two groups of support claw a upper faces
10.10 shape of movable supporting plate is downward opening right angle channel-shaped referring to shown in Fig. 3, and the groove width of movable supporting plate 10 is inevitable
Greater than the width of respective support pawl a, in order to which movable supporting plate 10 as shown in Figure 1 can be fastened on respective support pawl a.In work
Arrangement connecting pin is at left end shown in the tail end namely Fig. 1-2 of dynamic support plate 10 to form horizontally hinged axis 11.Connecting pin edge
The groove width direction of movable supporting plate 10 sequentially passes through the side cell wall of movable supporting plate 10, support claw a pawl body and movable supporting
The other side cell wall of plate 10, so that movable supporting plate 10 can form hinged fit structure between support claw a.At the same time,
Counterbore 50 has been dug at the head end of support claw a and hydraulic jack 20, the head of hydraulic jack 20 are fixed in counterbore 50
End vertical upwardly extends and in the groove bottom at the head end for being resisted against movable supporting plate 10 from bottom to top.It must be noted that liquid
Press the top of jack 20 only need to be against without forming affixed cooperation between movable supporting plate 10, in order to movable supporting plate 10
The jacking that hydraulic jack 20 can be responded rapidly to acts thereby executing corresponding Levelling operation.
In view of hydraulic jack 20 is two groups to be directed to two groups of support claw a, therefore two groups of hydraulic jacks 20 are inevitable
Has synchronization action special efficacy.The present invention is by setting hydraulic package as shown in Figs. 1-2, using hand-hydraulic cylinder as hydraulic pump
31, with oil path distribution valve 33 provide two groups of hydraulic jacks 20 with coordination special efficacy, then activity is ensured with relief valve 34
The Rapid reset function of support plate 10, finally ensure that integrally-built functional reliability.
For ease of understanding, it is as follows that specific workflow of the invention is provided herein:
After disk has entrucking, first whole lifting support claw a to intended height, observes support claw by air-bubble level 41 later
Whether a leans forward.If support claw a leans forward, operate 31 pump oil of hydraulic pump, hydraulic oil by oil path distribution valve 33 be transported to two groups it is hydraulic
Jack 20, to realize that 10 head end of movable supporting plate increases leveling by the synchronization lift motion of two groups of hydraulic jacks 20
Movement completes leveling process after confirming 10 level of movable supporting plate until 41 bubble of air-bubble level is located at middle section
Carry out disk tool restocking operation.And after the completion of disk tool restocking, then entire hydraulic jack 20 can be realized by operating relief valve 34
Oil circuit quick pressure releasing function, with rapid reset obtain support plate.Above-mentioned Levelling operation need to be directed to pay off rack main shaft into
Row carries out just now when wearing disk, and needs to reset rapidly after wearing disk, to use again next time.
Claims (8)
1. a kind of hand fork lifter with self-level(l)ing function, it is characterised in that: this fork truck include plate face it is horizontal and correspond
Two groups of support claws (a) of fork truck and the movable supporting plate (10) being arranged；Movable supporting plate (10) tail end and support claw (a) tail
Hinged cooperation is constituted between end, and horizontally hinged axis (11) axis of the two is vertically positioned at the tool axis of the disk on support claw (a)；This fork
Vehicle further includes the hydraulic jack (20) of axis vertical, before support claw (a) is fixed in the bottom end of the hydraulic jack (20)
At end, the top vertical of hydraulic jack (20) is upwardly extended and support from bottom to top is under movable supporting plate (10) head end
At plate face；This fork truck further includes same for driving two groups of hydraulic jacks (20) being located at two support claw (a) front ends to generate
Walk the hydraulic package of lifting action, hydraulic package includes hydraulic pump (31), hydraulic pump (31) by fluid pressure line (32) and via
Oil path distribution valve (33) and be connected at two groups of hydraulic jacks (20).
2. a kind of hand fork lifter with self-level(l)ing function according to claim 1, it is characterised in that: the movable supporting
Plate (10) shape is in downward opening right angle channel-shaped, the parallel respective support pawl (a) in flute length direction of two groups of movable supporting plates (10)
Length direction；The two axial ends of horizontally hinged axis (11) are individually fixed at two cell wall of movable supporting plate (10) tail end, and horizontal
The axle body level of articulated shaft (11) runs through support claw (a) pawl body, to form movable supporting plate (10) tail end and support claw (a) tail end
Between hinged cooperation；The top of hydraulic jack (20) is supported at together in movable supporting plate (10) head end groove bottom.
3. a kind of hand fork lifter with self-level(l)ing function according to claim 2, it is characterised in that: the movable supporting
The kidney-shaped avoid holes (12) being provided with for avoiding fork truck head end idler wheel (b) position are also extended through at the groove bottom of plate (10),
Pass length direction parallel support pawl (a) length direction of the kidney-shaped avoid holes (12), and kidney-shaped avoid holes (12) are located at fork
At the surface of vehicle head end idler wheel (b).
4. a kind of hand fork lifter with self-level(l)ing function according to claim 1 or 2 or 3, it is characterised in that: the work
The one side wall of dynamic support plate (10) is convexly equipped with placement seat (40) horizontally outward, is arranged at the top end face of the placement seat (40) and is used for
Monitor the air-bubble level (41) of the supporting surface horizontality of movable supporting plate (10).
5. a kind of hand fork lifter with self-level(l)ing function according to claim 4, it is characterised in that: this fork truck further includes
For realizing the relief valve (34) of movable supporting plate (10) reset function, lead between the relief valve (34) and oil path distribution valve (33)
Cross lateral connection each other.
6. a kind of hand fork lifter with self-level(l)ing function according to claim 1 or 2 or 3, it is characterised in that: the branch
Supporting surface is concavely provided with the counterbore (50) for disposing hydraulic jack (20) at support claw (a) head end.
7. a kind of hand fork lifter with self-level(l)ing function according to claim 1 or 2 or 3, it is characterised in that: the liquid
Press pump (31) is hand-hydraulic cylinder.
8. a kind of hand fork lifter with self-level(l)ing function according to claim 4, it is characterised in that: the operation of this fork truck
Process is as follows:
After disk has entrucking, first whole lifting support claw (a) to intended height, observes support claw by air-bubble level (41) later
(a) whether lean forward；If support claw (a) leans forward, hydraulic pump (31) pump oil is operated, hydraulic oil is transported to by oil path distribution valve (33)
Two groups of hydraulic jacks (20), to realize movable supporting plate by the synchronization lift motion of two groups of hydraulic jacks (20)
(10) head end increases leveling movement, until air-bubble level (41) bubble is located at middle section, confirms movable supporting plate (10) water
Leveling process is completed after flat, can carry out disk tool restocking operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811586637.8A CN109607430B (en) | 2018-12-25 | 2018-12-25 | Manual fork truck with from leveling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811586637.8A CN109607430B (en) | 2018-12-25 | 2018-12-25 | Manual fork truck with from leveling function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109607430A true CN109607430A (en) | 2019-04-12 |
| CN109607430B CN109607430B (en) | 2020-06-09 |
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ID=66011676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811586637.8A Active CN109607430B (en) | 2018-12-25 | 2018-12-25 | Manual fork truck with from leveling function |
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| Country | Link |
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| CN (1) | CN109607430B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374423A (en) * | 2020-11-16 | 2021-02-19 | 王晨鹏 | Auxiliary supporting mechanism for preventing forklift from inclining forwards |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004136996A (en) * | 2002-10-15 | 2004-05-13 | Nippon Yusoki Co Ltd | Low lift truck |
| CN103112802A (en) * | 2013-02-06 | 2013-05-22 | 南京沃力机电科技有限公司 | Electric pallet truck |
| CN206666037U (en) * | 2017-03-27 | 2017-11-24 | 南京联合全程物流有限公司 | For large-scale canned chemicals transhipment fork truck |
-
2018
- 2018-12-25 CN CN201811586637.8A patent/CN109607430B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004136996A (en) * | 2002-10-15 | 2004-05-13 | Nippon Yusoki Co Ltd | Low lift truck |
| CN103112802A (en) * | 2013-02-06 | 2013-05-22 | 南京沃力机电科技有限公司 | Electric pallet truck |
| CN206666037U (en) * | 2017-03-27 | 2017-11-24 | 南京联合全程物流有限公司 | For large-scale canned chemicals transhipment fork truck |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374423A (en) * | 2020-11-16 | 2021-02-19 | 王晨鹏 | Auxiliary supporting mechanism for preventing forklift from inclining forwards |
| CN112374423B (en) * | 2020-11-16 | 2022-03-04 | 青岛正方圆传动科技有限公司 | Auxiliary supporting mechanism for preventing forklift from inclining forwards |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109607430B (en) | 2020-06-09 |
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