CN107804808A - Forklift door frame tilts automatic control system - Google Patents
Forklift door frame tilts automatic control system Download PDFInfo
- Publication number
- CN107804808A CN107804808A CN201711145599.8A CN201711145599A CN107804808A CN 107804808 A CN107804808 A CN 107804808A CN 201711145599 A CN201711145599 A CN 201711145599A CN 107804808 A CN107804808 A CN 107804808A
- Authority
- CN
- China
- Prior art keywords
- door frame
- regulation resistance
- digital regulation
- controller
- inclination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- B66F9/24—Electrical devices or systems
-
- 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
- B66F9/0755—Position control; Position detectors
-
- 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
- B66F9/08—Masts; Guides; Chains
- B66F9/082—Masts; Guides; Chains inclinable
Landscapes
- 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 discloses a kind of forklift door frame to tilt automatic control system, including digital regulation resistance, digital regulation resistance are arranged on door frame, and digital regulation resistance is converted to door frame angle of inclination the electric potential signal of digital regulation resistance；Motor is resetted, motor is resetted and is arranged on door frame, is resetted for door frame will to be tilted；Controller, controller is electrically connected with numerical value potentiometer, for receiving the electric potential signal of digital regulation resistance output, motor is resetted to be electrically connected with controller, signal is performed for being sent to reset hydraulic cylinder, pass through the digital point position device being arranged on forklift door frame, frame angle of inclination is converted to the electric potential signal of digital regulation resistance, electric potential signal is sent to controller, controller is according to tendency angle and pallet fork wicking height, control resets rotating and reverse for motor, forklift door frame tendency angle is resetted, correction, prevent angle of inclination from crossing conference and causing forklift truck goods frame deformation or fork truck to be toppled over, improve the security performance of fork truck.
Description
Technical field
The invention belongs to fork truck field, and automatic control system is tilted more particularly, to a kind of forklift door frame.
Background technology
Fork truck is a kind of industrial transportation vehicle, refers to load and unload member pallet cargo, stacking and short distance transport are made
The various wheeled carrying vehicles of industry, be widely used in harbour, station, airport, goods yard, factory floor, warehouse, Transfer center and
Home-delivery center etc., and cabin can be entered, handling, the transport operation of pallet cargo are carried out in compartment and container, be palletized transport,
The essential equipment of Container Transport.
The pallet fork door frame of common common fork truck is when forking goods and lifting goods, because goods is overweight or vibrations, goods
Fork door frame can tilt forward or backward, and as pallet fork raises, conference is crossed at angle of inclination causes forklift truck goods frame deformation or fork truck to be toppled over.
Therefore, it is necessary to provide a kind of automatic correction inclined control system of forklift door frame.
The content of the invention
It is an object of the invention to provide a kind of forklift door frame to tilt automatic control system, can detect whether forklift door frame inclines
Tiltedly, and whether angle of inclination and fork height are safe, and the tendency angle of forklift door frame is corrected automatically.
To achieve these goals, the present invention proposes that a kind of forklift door frame tilts automatic control system, including：
Digital regulation resistance, the digital regulation resistance are arranged on door frame, and the digital regulation resistance turns door frame angle of inclination
It is changed to the electric potential signal of digital regulation resistance；Motor is resetted, the reset motor is arranged on the door frame, for by the inclination
Door frame resets；Controller, the controller are electrically connected with the numerical value potentiometer, for receiving the digital regulation resistance output
Electric potential signal, reset motor and the controller be electrically connected with, and signal is performed for being sent to the reset hydraulic cylinder.
Preferably, the driven swing arm of the digital regulation resistance is arranged on the vehicle frame of the hydraulic cylinder, the digital current potential
The active ornaments of device are placed on the frame of door frame；The digital regulation resistance is used to detect door frame angle of inclination.
Preferably, the digital regulation resistance is different according to the fore-and-aft direction at door frame angle of inclination, outbound course electric potential signal.
Preferably, in addition to limit switch, the limit switch are arranged at the position of mast height half.
Preferably, the controller communicates to connect with the limit switch.
Preferably, when pallet fork is located at the mast height half, and the digital regulation resistance detects door frame inclination angle
When degree is more than 2 °, the controller according to the direction electric potential signal received, control the reset motor rotate forward startup or
Reversion starts, and drives the door frame vertical.
The beneficial effects of the present invention are：Pass through the digital point position device being arranged on forklift door frame, the conversion of frame angle of inclination
For the electric potential signal of digital regulation resistance, electric potential signal is sent to controller, controller raises high according to tendency angle and pallet fork
Degree, control reset rotating and reverse for motor, and forklift door frame tendency angle is resetted, correction, prevents angle of inclination from crossing conference and leading
Cause forklift truck goods frame deformation or fork truck to topple over, improve the security performance of fork truck.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Exemplary embodiment of the invention is described in more detail in conjunction with the accompanying drawings, it is of the invention above-mentioned and its
Its purpose, feature and advantage will be apparent, wherein, in exemplary embodiment of the invention, identical reference number
Typically represent same parts.
Fig. 1 shows that forklift door frame according to an embodiment of the invention tilts the control signal of automatic control system
Figure.
Embodiment
The preferred embodiment of the present invention is described in more detail below.Although the following describe being preferable to carry out for the present invention
Mode, however, it is to be appreciated that may be realized in various forms the present invention without should be limited by embodiments set forth herein.Phase
Instead, there is provided these embodiments be in order that the present invention is more thorough and complete, and can be by the scope of the present invention intactly
It is communicated to those skilled in the art.
Automatic control system is tilted according to a kind of forklift door frame of the present invention, including：
Digital regulation resistance, digital regulation resistance are arranged on door frame, and door frame angle of inclination is converted to numeral by digital regulation resistance
The electric potential signal of potentiometer；Motor is resetted, motor is resetted and is arranged on door frame, is resetted for door frame will to be tilted；Controller, control
Device is electrically connected with numerical value potentiometer, for receiving the electric potential signal of digital regulation resistance output, resets motor and controller is electrical
Connection, signal is performed for being sent to reset hydraulic cylinder.
By the digital point position device being arranged on forklift door frame, frame angle of inclination is converted to the current potential letter of digital regulation resistance
Number, electric potential signal is sent to controller, controller resets the rotating forward of motor according to tendency angle and pallet fork wicking height, control
And reversion, forklift door frame tendency angle is resetted, correction, prevent angle of inclination from crossing conference and causing forklift truck goods frame deformation or fork truck to incline
, the security performance of fork truck is improved.
Preferably, the driven swing arm of digital regulation resistance is arranged on the vehicle frame of hydraulic cylinder, the master of digital regulation resistance
Movable pendulum is arranged on the frame of door frame；Digital regulation resistance is used to detect door frame angle of inclination.
Preferably, digital regulation resistance is different according to the fore-and-aft direction at door frame angle of inclination, outbound course current potential letter
Number.It is different according to the direction at angle of inclination for controller, and then drive the forward or reverse for resetting motor.
Preferably, in addition to limit switch, limit switch are arranged at the position of mast height half.When pallet fork edge
In door frame uphill process, when being raised to the height of door frame half, limit switch control control pallet fork stops rising.
Preferably, controller communicates to connect with limit switch.
Preferably, when pallet fork is located at mast height half, and digital regulation resistance detects door frame angle of inclination
During more than 2 °, controller is according to the direction electric potential signal received, and control, which resets motor and rotates forward to start or invert, to be started, driving gate
Frame is vertical.
Embodiment
Fig. 1 shows that forklift door frame according to an embodiment of the invention tilts the control signal of automatic control system
Figure.
As shown in figure 1, embodiment, which provides a kind of forklift door frame, tilts automatic control system, including：
Digital regulation resistance, digital regulation resistance are arranged on door frame, and door frame angle of inclination is converted to numeral by digital regulation resistance
The electric potential signal of potentiometer；Motor is resetted, motor is resetted and is arranged on door frame, is resetted for door frame will to be tilted；Controller, control
Device is electrically connected with numerical value potentiometer, for receiving the electric potential signal of digital regulation resistance output, resets motor and controller is electrical
Connection, signal is performed for being sent to reset hydraulic cylinder.
The driven swing arm of digital regulation resistance is arranged on the vehicle frame of hydraulic cylinder, and the active ornaments of digital regulation resistance are placed in door frame
Frame on；Digital regulation resistance is used to detect door frame angle of inclination, and digital regulation resistance is according to the fore-and-aft direction at door frame angle of inclination
Difference, outbound course electric potential signal, in addition to limit switch, limit switch are arranged at the position of mast height half, controller
Communicated to connect with limit switch.When pallet fork is located at mast height half, and digital regulation resistance detects that door frame angle of inclination is big
When 2 °, according to the direction electric potential signal received, control resets motor and rotates forward to start or invert to be started controller, drives door frame
Vertically.
It is described above embodiments of the invention, described above is exemplary, and non-exclusive, and also not
It is limited to disclosed embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, led for this technology
Many modifications and changes will be apparent from for the those of ordinary skill in domain.
Claims (6)
1. a kind of forklift door frame tilts automatic control system, it is characterised in that including：
Digital regulation resistance, the digital regulation resistance are arranged on door frame, and the digital regulation resistance is converted to door frame angle of inclination
The electric potential signal of digital regulation resistance；
Motor is resetted, the reset motor is arranged on the door frame, for the inclination door frame to be resetted；
Controller, the controller are electrically connected with the numerical value potentiometer, for receiving the electricity of the digital regulation resistance output
Position signal, the reset motor are electrically connected with the controller, and signal is performed for being sent to the reset hydraulic cylinder.
2. forklift door frame according to claim 1 tilts automatic control system, it is characterised in that the digital regulation resistance
Driven swing arm is arranged on the vehicle frame of the hydraulic cylinder, and the active ornaments of the digital regulation resistance are placed on the frame of door frame；Institute
Digital regulation resistance is stated to be used to detect door frame angle of inclination.
3. forklift door frame according to claim 2 tilts automatic control system, it is characterised in that the digital regulation resistance root
Different, the outbound course electric potential signal according to the fore-and-aft direction at door frame angle of inclination.
4. forklift door frame according to claim 1 tilts automatic control system, it is characterised in that also including limit switch,
The limit switch is arranged at the position of mast height half.
5. forklift door frame according to claim 4 tilts automatic control system, it is characterised in that the controller with it is described
Limit switch communicates to connect.
6. forklift door frame according to claim 1 tilts automatic control system, it is characterised in that when pallet fork is located at the door
During frame mid-height, and when the digital regulation resistance detects that door frame angle of inclination is more than 2 °, the controller is according to receiving
The direction electric potential signal, control it is described reset motor rotate forward start or reversion start, drive the door frame vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711145599.8A CN107804808A (en) | 2017-11-17 | 2017-11-17 | Forklift door frame tilts automatic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711145599.8A CN107804808A (en) | 2017-11-17 | 2017-11-17 | Forklift door frame tilts automatic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107804808A true CN107804808A (en) | 2018-03-16 |
Family
ID=61590467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711145599.8A Pending CN107804808A (en) | 2017-11-17 | 2017-11-17 | Forklift door frame tilts automatic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107804808A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5131801A (en) * | 1990-12-10 | 1992-07-21 | Tandy Corporation | Forklift fork tilt angle indicator |
| CN104108668A (en) * | 2014-07-16 | 2014-10-22 | 宁波如意股份有限公司 | Forklift portal frame tilt control device and forklift anti-rollover control method |
| CN105873849A (en) * | 2013-12-30 | 2016-08-17 | 株式会社斗山 | Control device and control method for forklift |
| CN205998951U (en) * | 2016-08-26 | 2017-03-08 | 合肥搬易通科技发展有限公司 | A kind of speed limiting safety system of high position stacking door frame |
| CN106986289A (en) * | 2017-05-23 | 2017-07-28 | 安徽宇锋仓储设备有限公司 | Fork truck safe spacing control method |
-
2017
- 2017-11-17 CN CN201711145599.8A patent/CN107804808A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5131801A (en) * | 1990-12-10 | 1992-07-21 | Tandy Corporation | Forklift fork tilt angle indicator |
| CN105873849A (en) * | 2013-12-30 | 2016-08-17 | 株式会社斗山 | Control device and control method for forklift |
| CN104108668A (en) * | 2014-07-16 | 2014-10-22 | 宁波如意股份有限公司 | Forklift portal frame tilt control device and forklift anti-rollover control method |
| CN205998951U (en) * | 2016-08-26 | 2017-03-08 | 合肥搬易通科技发展有限公司 | A kind of speed limiting safety system of high position stacking door frame |
| CN106986289A (en) * | 2017-05-23 | 2017-07-28 | 安徽宇锋仓储设备有限公司 | Fork truck safe spacing control method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180316 |