CN206569981U - A kind of self-level(l)ing device of reach truck - Google Patents
A kind of self-level(l)ing device of reach truck Download PDFInfo
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- CN206569981U CN206569981U CN201720127957.1U CN201720127957U CN206569981U CN 206569981 U CN206569981 U CN 206569981U CN 201720127957 U CN201720127957 U CN 201720127957U CN 206569981 U CN206569981 U CN 206569981U
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- level
- goods shelf
- angular transducer
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- Forklifts And Lifting Vehicles (AREA)
Abstract
A kind of self-level(l)ing device of reach truck, including transmission mechanism, angular transducer, dump ram and controller；The transmission mechanism one end is fixedly linked with goods shelf, and the other end is connected to be driven with angular transducer；The angular transducer is fixed on side shifter assembly to export the electric signal of relation proportional to goods shelf rotational angle；The dump ram is fixed on side shifter assembly, and its promote-side is towards goods shelf；The controller is connected with angular transducer and dump ram, and controls dump ram action until the horizontal segment upper surface of pallet fork turns to horizontal level.The utility model utilizes loop control theory, and the electric signal that angular transducer is exported automatically judges pallet fork angle of inclination as negative-feedback, by controller and controls dump ram to act, so as to realize the automatic horizontal of pallet fork；The control mode is simple, improves operating efficiency, and reduce goods shelf non-standard state lower fork goods, exit pallet when security risk.
Description
Technical field
The utility model is related to fork truck field, particularly a kind of self-level(l)ing device of reach truck.
Background technology
Fork truck is the common device of warehouse logisticses industry, is widely used in transport, the handling of pallet cargo indoors etc..
During forklift workability, operating personnel can continually adjust pallet fork angle of inclination, particularly pallet fork as needed will fork goods
Thing or when will exit below the pallet, it is necessary to which its angle keeps basic horizontal.But when pallet fork lifting altitude exceedes driver's cabin
After height, by manual regulation pallet fork angle and estimate it whether level will become difficult, or even the also non-level of pallet fork occurs
Begin to picking or exited below pallet, cause pallet fork to hit the unsafe factors such as pallet, and increase operation complexity, work
Declined to a great extent as efficiency.
Pallet fork automatic water-returning leveling device and its fork truck that publication No. is announced by CN 104860236A Chinese patent documents,
Propose it is a kind of detect pallet fork level in place and remind the device of operating personnel, but be not directed to allow pallet fork to automatically return to horizontal position
Method.
A kind of automatic leveling suitable for industrial vehicle that publication No. is announced by CN 105217533A Chinese patent documents
Device, when there is certain limitation, i.e. sensing device further for obliquity sensor, is only applicable to vehicle and is on level road.Work as car
When being in the uphill, downhill of certain angle, the object of reference at the fork body angle of inclination of obliquity sensor measurement be still horizontal plane and
Non- domatic, this can cause, when operating personnel trigger leveling, to pitch body with respect to the horizontal plane level, rather than relative to vehicle level,
The judgement custom of this and operating personnel are not inconsistent.In addition, when sensing device further is infrared emitting, reception device, it is impossible to solve car
The problem of adaptability is not good in the working environment of uphill, downhill.
Utility model content
Main purpose of the present utility model is to overcome drawbacks described above of the prior art, proposed a kind of without manually operated
Control stick leveling and naked eyes judge pallet fork whether level, alleviate operation complexity, improve operating efficiency, reduce safely it is hidden
The self-level(l)ing device of the reach truck of trouble.
The utility model is adopted the following technical scheme that：
A kind of self-level(l)ing device of reach truck, is installed between goods shelf and side shifter assembly, it is characterised in that：
Including transmission mechanism, angular transducer, dump ram and controller；The transmission mechanism one end is fixedly linked with goods shelf, another
End is connected to be driven with angular transducer；The angular transducer is fixed on side shifter assembly to export and goods shelf rotational angle
The electric signal of proportional relation；The dump ram is fixed on side shifter assembly, and its promote-side is towards goods shelf；The controller
It is connected with angular transducer and dump ram to receive the electric signal, and controls dump ram action until on the horizontal segment of pallet fork
Surface pivots are to horizontal level.
It is preferred that, the transmission mechanism includes support, guide rail and sliding block；The guide rail is fixed on the goods shelf, the cunning
Block is fixed on described support one end and is slidably matched with the guide rail, and the support other end is connected with the angular transducer.
It is preferred that, the sliding block is provided with groove, and the guide rail is embedded in the groove.
It is preferred that, described support one end is provided with connecting rod, and the connecting rod one end is provided with elongated hole, and the angular transducer rotating shaft is provided with
Roller in the hole.
It is preferred that, the guide rail includes guide plate, the first rail and the second rail；The guide plate is fixed on the goods shelf, and this
One rail and the second rail are abreast arranged at the guide plate two ends；Also include at least two sliding blocks, and first rail and the second rail are matched somebody with somebody respectively
Provided with an at least sliding block.
It is preferred that, provided with cover plate or gear shelf at the top of the goods shelf, described transmission mechanism one end and the cover plate or gear goods
Frame is fixedly linked.
It is preferred that, the side shifter assembly include sidesway oil cylinder and crane, the sidesway oil cylinder be fixed on crane and
Its take-off lever is connected with the goods shelf；The angular transducer and the dump ram are fixed on the crane.
It is preferred that, the crane includes two lifter plates；The support is provided with two postive stop baffles to be limited in two liftings
Between plate, the angular transducer is located therein on the inside of a lifter plate.
It is preferred that, in addition to band lamp rocker switch, the band lamp rocker switch is connected with the controller is ordered with inputting leveling
Make and lighted in goods shelf leveling.
It is preferred that, the angular transducer includes potentiometer or Hall sensor.
From above-mentioned to description of the present utility model, compared with prior art, the utility model has following beneficial effect
Really：
1st, device of the present utility model, on the basis of original component is not changed, increase transmission mechanism and angle sensor
Device coordinate realize detection goods shelf angle of inclination, using loop control theory, the electric signal that angular transducer is exported as
Negative-feedback, is input to controller, and pallet fork angle of inclination is automatically judged by controller and controls dump ram to act, so as to realize
Automatic horizontal of the pallet fork with respect to ground；The control method and logic are simple, and simultaneously naked eyes judge goods with adjusting goods shelf manually in the past
Fork whether compare by level, improves operating efficiency, and reduce goods shelf non-standard state lower fork goods, exit pallet when
Security risk.
2nd, device of the present utility model, compared with traditional inclined mode by operating lever operation goods shelf, this practicality
It is new that leveling order control pallet fork level is inputted by band lamp rocker switch, and flashed by lamp with sound prompting operating personnel's
Mode, simplified operation, control logic are simpler.
3rd, device of the present utility model, is inputted when controller controls goods shelf horizontal reset, it is necessary to shield by control stick
Tilt command, it is to avoid operating personnel unexpectedly use control stick during pallet fork automatic horizontal resets, and caused safety is hidden
Suffer from；When pallet fork returns to horizontal level, the indicator lamp flicker on rocker switch points out operating personnel, and recover control stick
The input of tilt command.
4th, device of the present utility model, realizes that angle detects that the angular transducer can be current potential using angular transducer
Meter, Hall sensor etc., compared to the price of obliquity sensor thousands of members easily, the cost of angular transducer is 200 to 300
Member, cost is relatively low.
5th, device of the present utility model, using side shifter assembly as object of reference, by detecting goods shelf with respect to side shifter
The rotational angle of assembly ensures the level of pallet fork working face, because side shifter assembly is installed in forklift door frame, and can be relative to door
Frame moves up and down, i.e., indirectly using door frame as the object of reference of pallet fork level, meet the judgement custom of operating personnel.
6th, device of the present utility model, is not influenceed by use environment, and angular transducer detects the operation principle at angle of inclination
It is and the angle between the surrounding environment such as non-detection itself and road surface based on the relative motion between goods shelf and side shifter assembly
Degree, so not influenceed by use environment, can normally be used at rough road surface or uphill, downhill.
7th, device of the present utility model is applied to the inclined fork truck of all goods shelfs, can be applied to velocity of goods circulation higher
Logistics warehouse, freezer, the industry such as commercial affairs and auto parts and components warehouse.
Brief description of the drawings
Fig. 1 is the structure chart that the utility model is installed on door frame；
Fig. 2 is the utility model Facad structure figure；
Fig. 3 is the utility model backside structure figure；
Fig. 4 is the utility model part-structure schematic diagram；
Fig. 5 is the utility model three-dimensional structure diagram；
The enlarged drawing that Fig. 6 is A in Fig. 4；
The enlarged drawing that Fig. 7 is B in the utility model Fig. 5；
Fig. 8 is the utility model side view；
Fig. 9 is part-structure schematic diagram of the present utility model；
Figure 10 is that the utility model controls circuit theory diagrams；
Figure 11 is the utility model control flow chart；
Wherein：10th, goods shelf, 11, pallet fork, 12, cover plate, 13, connecting plate, 14, horizontal segment, 20, side shifter assembly, 21,
Sidesway oil cylinder, 22, lifter plate, 30, transmission mechanism, 31, support, 32, guide plate, the 33, first rail, the 34, second rail, 35, limiting block
Plate, 36, connecting rod, 37, elongated hole, 38, sliding block, 39, groove, 40, angular transducer, 41, rotating shaft, 42, roller, 50, controller,
60th, door frame, 70, dump ram, 71, push pedal, 72, hydraulic valve bank, 80, band lamp rocker switch.
Embodiment
Below by way of embodiment, the utility model will be further described.
Referring to figs. 1 to Fig. 9, a kind of self-level(l)ing device of reach truck is installed on goods shelf 10 and side shifter assembly
Between 20, including transmission mechanism 30, angular transducer 40, dump ram 70 and controller 50.The goods shelf 10 includes connecting plate
13rd, pallet fork 11 and cover plate 12, the cover plate 12 and pallet fork 11 are fixed on connecting plate 13.The cover plate 12 can also be other structures,
Shelf are such as kept off, the top of connecting plate 13 is securable to.The pallet fork 11 is L-shaped, and it is provided with horizontal segment 14.The side shifter assembly 20 includes
Sidesway oil cylinder 21 and crane, the crane include two parallel lifter plates 22, and the sidesway oil cylinder 21 is fixed on two lifter plates 22
The connecting plate 13 of top and its take-off lever and goods shelf 10 is to be rotatably connected, and the sidesway oil cylinder 21 can drive goods shelf 10 relative
Crane sidesway.In addition, the lifter plate 22 is slidably matched provided with pulley with the fluctuating orbit on door frame 60, i.e., crane can be driven
The dynamic fluctuating orbit for driving goods shelf 10 along door frame 60 rises or falls.
The transmission mechanism 30 includes support 31, guide rail and sliding block 38.The support 31 is located under cover plate 12 or gear shelf bottom surface
Side, the two ends of support 31 are provided with postive stop baffle 35 so that it is limited between two lifter plates 22, prevent the OQ t frame of support 31 from producing
Raw sidesway.Its one end is additionally provided with connecting rod 36, and the end of connecting rod 36 offers elongated hole 37, and the support 31 and connecting rod 36 are at an angle
Or it is vertical.Guide rail includes guide plate 32, the first rail 33 and the second rail 34.The guide plate 32 be fixed on cover plate 12 or gear shelf bottom surface and with
Support 31 is relative, and the rail 34 of the first rail 33 and second is abreast arranged at the two ends of guide plate 32, also with the output of sidesway oil cylinder 21
Bar is parallel.Include in three sliding blocks 38 for being fixed on the top of support 31, each sliding block 38 and be all provided with fluted 39, three sliding blocks
38 can be in angular distribution, be slidably matched wherein in the sliding block 38 of first rail 33 insertion two and therewith, second rail 34 is embedded
It is slidably matched in one sliding block 38 and therewith.And 33 pairs of the openend of the groove 39 of the corresponding sliding block 38 of second rail 34 and the first rail
The openend of the groove 39 for the sliding block 38 answered is relative.When sidesway oil cylinder 21 drives 10 sidesway of goods shelf, first rail 33 and the
The opposing slider 38 of two rail 34 is slided.
Angular transducer 40 is fixed on the inner side of a wherein lifter plate 22, and the rotating shaft 41 of the angular transducer 40 passes through connection
Part is connected with roller 42, and the roller 42 is located in the elongated hole 37 of connecting rod 36, when goods shelf 10 is tilted, support 31 and connecting rod 36
Dynamic, connecting rod 36 drives roller 42 to slide and rotate the rotating shaft 41 of angular transducer 40, so as to export and the angle of rotation of goods shelf 10
The electric signal of proportional relation is spent, the angular transducer 40 can be potentiometer, Hall sensor etc., the electric signal of output includes
Voltage signal or current signal etc..The width that the diameter of roller 42 is slightly less than elongated hole 37 make its can along the elongated hole 37 length direction
Slide.The length of the elongated hole 37 should meet following condition：When goods shelf 10 is tilted between maximum tilt angle scope, roller 42
Can along its length it be slided in elongated hole 37.
Dump ram 70 is fixed on two lifter plates 22, and its promote-side is provided with push pedal 71, and the push pedal 71 is towards goods shelf
10 connecting plate 13, when dump ram driving push pedal 71 is protracted, push pedal 71 promotes connecting plate 13 to make the hypsokinesis of pallet fork 11, works as push pedal
During 71 retrogressing, pallet fork 11 leans forward in the presence of deadweight.The controller 50 is connected with angular transducer 40 to receive the electric signal,
And be connected by hydraulic valve bank 72 and oil circuit with dump ram 70, when receiving leveling order, shield other the Shear commands and control
The action of dump ram 70 processed drives goods shelf 10 to rotate, until the upper surface of the horizontal segment 14 of pallet fork is in relative ground horizontal position
Put.
In addition, the utility model may also include band lamp rocker switch 80 and control stick, the band lamp rocker switch 80 and control
Device 50 is connected to input leveling order and light in 10 leveling of goods shelf.The control stick is connected with controller 50 to incline for input
Tiltedly order, the control action of dump ram 70 drives goods shelf 10 to tilt, and above-mentioned other the Shear commands are inclining that control stick is inputted
Tiltedly order.
Operation principle of the present utility model is as follows：
Reference picture 10, is tilted, then transmission mechanism 30 links when goods shelf 10 is produced with respect to side shifter assembly 20 and door frame 60
So that connecting rod 36 drives roller 42 to be slided in elongated hole 37, while drive the rotating shaft 41 of angular transducer 40 to rotate, angle sensor
The electric signal that device 40 is exported changes.Controller 50 is according to the different electrical signals received, it can be determined that the current phase of goods shelf 10
To the angle of inclination of the OR gate frame 60 of side shifter assembly 20.
Reference picture 11, when operating personnel need pallet fork 11 relative to the ground in level, the band lamp on push panel
Rocker switch 80 trigger pallet fork automatic horizontal function, first judge pallet fork 11 whether level, if it is not, then shield control stick inclination refer to
Order input, controller 50 sends electric signal to hydraulic valve bank 72, and the piston rod of the action control dump ram 70 of hydraulic valve bank 72 is transported
It is dynamic, drive goods shelf 10 to rotate, until the upper surface of horizontal segment 14 of pallet fork 11 is with respect to ground level；When the horizontal segment 14 of pallet fork 11
Upper surface is in level, then band lamp rocker switch 80, which flashes, reminds operating personnel, recovers the input of the tilt command of control stick.
Embodiment of the present utility model is above are only, but design concept of the present utility model is not limited thereto,
All changes for carrying out unsubstantiality to the utility model using this design, all should belong to the row for invading the utility model protection domain
For.
Claims (10)
1. a kind of self-level(l)ing device of reach truck, is installed between goods shelf and side shifter assembly, the goods shelf is provided with
Pallet fork, it is characterised in that：Including transmission mechanism, angular transducer, dump ram and controller；The transmission mechanism one end and pallet fork
Frame is fixedly linked, and the other end is connected to be driven with angular transducer；The angular transducer is fixed on side shifter assembly to export
The electric signal of relation proportional to goods shelf rotational angle；The dump ram is fixed on side shifter assembly, and it promotes end face
To goods shelf；The controller is connected with angular transducer and dump ram to receive the electric signal, and controls dump ram to act
Until the horizontal segment upper surface of pallet fork turns to horizontal level.
2. a kind of self-level(l)ing device of reach truck as claimed in claim 1, it is characterised in that：The transmission mechanism bag
Include support, guide rail and sliding block；The guide rail is fixed on the goods shelf, the sliding block be fixed on described support one end and with the guide rail
It is slidably matched, the support other end is connected with the angular transducer.
3. a kind of self-level(l)ing device of reach truck as claimed in claim 2, it is characterised in that：The sliding block is provided with recessed
Groove, the guide rail is embedded in the groove.
4. a kind of self-level(l)ing device of reach truck as claimed in claim 2, it is characterised in that：Described support one end is set
There is connecting rod, the connecting rod one end is provided with elongated hole, the angular transducer rotating shaft is provided with the roller being located in the hole.
5. a kind of self-level(l)ing device of reach truck as claimed in claim 2, it is characterised in that：The guide rail includes leading
Plate, the first rail and the second rail；The guide plate is fixed on the goods shelf, and first rail and the second rail are abreast arranged at the guide plate
Two ends；Also include at least two sliding blocks, and first rail and the second rail are equipped with an at least sliding block respectively.
6. a kind of self-level(l)ing device of reach truck as claimed in claim 1, it is characterised in that：At the top of the goods shelf
Provided with cover plate or gear shelf, described transmission mechanism one end is fixedly linked with the cover plate or gear shelf.
7. a kind of self-level(l)ing device of reach truck as claimed in claim 2, it is characterised in that：The side shifter assembly
Including sidesway oil cylinder and crane, the sidesway oil cylinder is fixed on crane and its take-off lever is connected with the goods shelf；It is described
Angular transducer and the dump ram are fixed on the crane.
8. a kind of self-level(l)ing device of reach truck as claimed in claim 7, it is characterised in that：The crane includes
There are two lifter plates；The support is provided with two postive stop baffles to be limited between two lifter plates, and the angular transducer is located therein
On the inside of one lifter plate.
9. a kind of self-level(l)ing device of reach truck as claimed in claim 1, it is characterised in that：Also include band lamp seesaw
Switch, the band lamp rocker switch is connected to input leveling order and light in goods shelf leveling with the controller.
10. a kind of self-level(l)ing device of reach truck as claimed in claim 1, it is characterised in that：The angle sensor
Device includes potentiometer or Hall sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720127957.1U CN206569981U (en) | 2017-02-13 | 2017-02-13 | A kind of self-level(l)ing device of reach truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720127957.1U CN206569981U (en) | 2017-02-13 | 2017-02-13 | A kind of self-level(l)ing device of reach truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206569981U true CN206569981U (en) | 2017-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720127957.1U Active CN206569981U (en) | 2017-02-13 | 2017-02-13 | A kind of self-level(l)ing device of reach truck |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108482936A (en) * | 2018-05-07 | 2018-09-04 | 连云港贝斯特机械设备有限公司 | Bacterium basket handling device in mushroom growing environment |
| CN110329961A (en) * | 2019-08-12 | 2019-10-15 | 龙合智能装备制造有限公司 | Flying fork device and its control method |
| CN110980588A (en) * | 2020-02-07 | 2020-04-10 | 山东理工大学 | Be applied to hand lift platform's anti-deflection device |
-
2017
- 2017-02-13 CN CN201720127957.1U patent/CN206569981U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108482936A (en) * | 2018-05-07 | 2018-09-04 | 连云港贝斯特机械设备有限公司 | Bacterium basket handling device in mushroom growing environment |
| CN108482936B (en) * | 2018-05-07 | 2024-01-05 | 连云港贝斯特机械设备有限公司 | Fungus basket carrying device in mushroom cultivation environment |
| CN110329961A (en) * | 2019-08-12 | 2019-10-15 | 龙合智能装备制造有限公司 | Flying fork device and its control method |
| CN110980588A (en) * | 2020-02-07 | 2020-04-10 | 山东理工大学 | Be applied to hand lift platform's anti-deflection device |
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