CN107140590B - A kind of control method of the lifting machine with fall-preventing protection device - Google Patents
A kind of control method of the lifting machine with fall-preventing protection device Download PDFInfo
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- CN107140590B CN107140590B CN201710511783.3A CN201710511783A CN107140590B CN 107140590 B CN107140590 B CN 107140590B CN 201710511783 A CN201710511783 A CN 201710511783A CN 107140590 B CN107140590 B CN 107140590B
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- Prior art keywords
- fall
- control
- control signal
- hydraulic
- hydraulic valve
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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
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
-
- 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
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention discloses a kind of control methods of lifting machine with fall-preventing protection device, comprising the following steps: control module is risen by first control signal, the first executive component of control；Hydraulic valve commutation is driven by second control signal；Signal, which is controlled, by third controls the second executive component advance set distance；The reflux of the first hydraulic oil is controlled by the 4th control signal；Hydraulic valve is controlled by the 5th control signal to back towards；The reflux of the second hydraulic oil is controlled by the 6th control signal；Hydraulic valve is controlled by the 7th control signal to close；It controls hydraulic valve by the 8th control signal to open, the present invention can be realized through double protection functions safeguard work personnel's personal safety, use process more safe.
Description
Technical field
The present invention relates to the control field of car lift, in particular to a kind of lifting machine with fall-preventing protection device
Control method.
Background technique
Car lift is the equipment for lifting automobile during auto repair, and automobile reaches lifting machine station, passes through
The height that manual operation can make vehicle hoisting certain is convenient for auto repair.Lifting machine plays very in auto repair maintenance
Important role, present maintenance factory are provided with lifting machine, and lifting machine is the necessary equipment of auto repair or maintenance.
Lifting machine defencive function is not powerful enough at present, and generally in auto repair or maintenance, automobile will rise to two
Rice or so height is easy to happen automobile and falls suddenly equal perils in unexpected power-off or equipment fault, for maintenance,
The personal safety of maintenance personnel causes to seriously threaten.
Summary of the invention
The purpose of invention: the present invention discloses a kind of control method of lifting machine with fall-preventing protection device, breaks suddenly
When electricity or equipment catastrophic failure, ensures that automobile maintains place height, automobile decline or falling accident, Neng Goubao will not occur
Barrier maintenance, the personal safety of maintenance personnel, use process more safe.
Technical solution: in order to achieve the goal above, the invention discloses a kind of lifting machines with fall-preventing protection device
Control method, comprising the following steps:
1) it is closed power switch, Continued depression rising button, control module generates first control signal drive hydraulic system principle
Operation, the first executive component of control rise；
2) pressing locking button, control module generate second control signal driving hydraulic valve commutation；
3) after hydraulic valve completes commutation, control module generates third control signal drive hydraulic system principle operation, control second
Executive component advance set distance；
4) being unlocked by pressing button, control module generate the 4th control signal drive hydraulic system principle operation, and control first is hydraulic
Oil reflux, the second executive component retreat set distance under elastic component effect；
5) Continued depression declines button, control module generate the 5th control signal control hydraulic valve and back towards；
6) after hydraulic valve completion backs towards, control module generates the 6th control signal drive hydraulic system principle operation, control second
Hydraulic oil reflux, the first executive component decline under the effect of gravity；
7) when unit exception, scram button is pressed, control module generates the 7th control signal control hydraulic valve and closes；
8) after Abnormality remove, reset button is pressed, control module generates the 8th control signal control hydraulic valve and opens.
Further, the control method of above-mentioned a kind of lifting machine with fall-preventing protection device, the hydraulic system packet
Pipeline, motor, hydraulic pump, hydraulic valve, the first executive component, the second executive component are included, wherein motor is connect with hydraulic pump,
Hydraulic pump is connected by pipeline, hydraulic valve respectively at the first executive component, the second executive component.
Further, the control method of above-mentioned a kind of lifting machine with fall-preventing protection device, described first executes member
Part one end is connect with gantry support column, and the other end is connect with sliding block, and gantry support column is fixed on pedestal.
Further, the control method of above-mentioned a kind of lifting machine with fall-preventing protection device, described second executes member
Part one end is connect with gantry support column, and the other end is connect with anti-fall arm.
Further, the control method of above-mentioned a kind of lifting machine with fall-preventing protection device, the sliding block is by turning
Dynamic pair is connect with support arm, and one group of rubber cushion blocks is arranged in support arm end.
Further, the control method of above-mentioned a kind of lifting machine with fall-preventing protection device is set on the anti-fall arm
One group of first anti-fall ladder of wedge shape equidistantly arranged is set, sliding block is equipped with through-hole, is equipped on the inside of through-hole and the first anti-fall ladder of wedge shape
With the anti-fall ladder of the second wedge shape of spacing.
Further, a kind of control method of above-mentioned lifting machine with fall-preventing protection device, the anti-fall arm pass through
Through-hole is connect with sliding block, and anti-fall arm is also connect with elastic component.
Further, the control method of above-mentioned a kind of lifting machine with fall-preventing protection device, the control module, electricity
Motivation, hydraulic pump, hydraulic valve, which are distributed, to be connected on the support column of gantry.
Above-mentioned technical proposal can be seen that the invention has the following beneficial effects:
(1) control method of a kind of lifting machine with fall-preventing protection device of the present invention, in unexpected power-off or
When equipment catastrophic failure, the distinctive hydraulic valve of hydraulic system ensures that by back pressure to hydraulic cylinder automobile will not will not occur for hydraulic oil
Decline or falling accident provide first to maintenance, maintenance personnel and protect again.
(2) control method of a kind of lifting machine with fall-preventing protection device of the present invention, in unexpected power-off or
When equipment fault, the first anti-fall ladder of wedge shape can be mutually twisted with the second trapezoidal anti-fall ladder, and the gravity of confrontation automobile tenesmus maintains
Height where automobile provides second to maintenance, maintenance personnel and protects again, use process more safe.
(3) control method of a kind of lifting machine with fall-preventing protection device of the present invention rises to finger in sliding block
Positioning postpones, and hydraulic system pushes anti-fall arm advance set distance automatically；When sliding block needs to decline, the pressure release of hydraulic system elder generation,
Elastic component pushes anti-fall arm to retreat set distance automatically, and the intelligent movement of anti-fall arm can provide the guarantor for preventing automobile from falling
Shield, and will not influence the rising or decline of sliding block.
(4) control method of a kind of lifting machine with fall-preventing protection device of the present invention, supporting pad is directly and vapour
Vehicle contact, and stress is big, and selection uses rubber cushion blocks, on the one hand guarantees the service life of supporting pad, on the other hand can increase with
Friction between automobile, there is anti-skidding effect, and the third aspect can guarantee that automobile is not scratched.
(5) control method of a kind of lifting machine with fall-preventing protection device of the present invention, used in lifting machine
Occur any situation in journey, scram button can be pressed at any time, making equipment, stopping acts rapidly, when troubleshooting, press reset by
Button is not required to power off when equipment fault excludes, and the work before can continuing, for troubleshooting more safe ready.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of the lifting machine with fall-preventing protection device of the present invention；
Fig. 2 is a kind of control module structural schematic diagram of the lifting machine with fall-preventing protection device of the present invention；
Fig. 3 is a kind of executive component cross-sectional view of the lifting machine with fall-preventing protection device of the present invention；
In figure: 1- power switch, 2- rising button, 3- declines button, 4- lock button, 5- unblock button, and 6- emergency stop is pressed
Button, 7- reset button, 8- control module, 9- elastic component, 10- motor, 11- hydraulic pump, 12- hydraulic valve, 13- first execute member
Part, the second executive component of 14-, the gantry 15- support column, 16- sliding block, 17- pedestal, the anti-fall arm of 18-, 19- support arm, 20- rubber
Cushion block.
Specific embodiment
With reference to the accompanying drawing, the specific embodiment of the invention is described in detail.
Embodiment
The invention discloses a kind of control methods of lifting machine with fall-preventing protection device, as shown in Figure 1 to Figure 3, packet
Include following steps:
1) it is closed power switch 1, Continued depression rising button 2, control module 8 generates first control signal and drives hydraulic pressure system
System operation, the first executive component 13 of control rise；
2) pressing locking button 4, control module 8 generate second control signal driving hydraulic valve 12 and commutate；
3) after hydraulic valve 12 completes commutation, control module 8 generates third control signal drive hydraulic system principle operation, control the
Two executive components, 14 advance set distance；
4) being unlocked by pressing button 5, control module 8 generate the 4th control signal drive hydraulic system principle operation, control the first liquid
Pressure oil reflux, the second executive component 14 retreat set distance under the effect of elastic component 9；
5) Continued depression declines button 3, control module 8 generate the 5th control signal control hydraulic valve 12 and back towards；
6) after the completion of hydraulic valve 12 backs towards, control module 8 generates the 6th control signal drive hydraulic system principle operation, control the
The reflux of two hydraulic oil, the first executive component 13 decline under the effect of gravity；
7) when unit exception, scram button 6 is pressed, control module 8 generates the 7th control signal control hydraulic valve 12 and closes；
8) after Abnormality remove, reset button 7 is pressed, control module 8 generates the 8th control signal control hydraulic valve 12 and opens.
The hydraulic system includes pipeline, motor 10, hydraulic pump 11, hydraulic valve 12, the first executive component 13, second holds
Units 14, wherein motor 10 is connect with hydraulic pump 11, and hydraulic pump 11 executes member respectively at first by pipeline, hydraulic valve 12
Part 13, the connection of the second executive component 14.
Described first executive component, 13 one end is connect with gantry support column 15, and the other end is connect with sliding block 16, gantry support
Column 15 is fixed on pedestal 17.
Described second executive component, 14 one end is connect with gantry support column 15, and the other end is connect with anti-fall arm 18.
The sliding block 16 is connect by revolute pair with support arm 19, and one group of rubber cushion blocks 20 is arranged in 19 end of support arm.
One group of first anti-fall ladder of wedge shape equidistantly arranged is set on the anti-fall arm 18, and sliding block 16 is equipped with through-hole, leads to
It is equipped on the inside of hole with the anti-fall ladder of the first wedge shape with the anti-fall ladder of the second wedge shape of spacing.
The anti-fall arm 18 passes through through-hole and connect with sliding block 16, and anti-fall arm 18 is also connect with elastic component 9.
The control module 8, motor 10, hydraulic pump 11, hydraulic valve 12 are distributed on gantry support column 15.
The above is only a preferred embodiment of the present invention, it should be noted that for those skilled in the art
For, without departing from the principle of the present invention, several improvement can also be made, these improvement also should be regarded as guarantor of the invention
Protect range.
Claims (4)
1. a kind of control method of the lifting machine with fall-preventing protection device, it is characterised in that: the following steps are included:
1) it is closed power switch (1), Continued depression rising button (2), it is hydraulic that control module (8) generates first control signal driving
System operation, control the first executive component (13) rise；
2) pressing locking button (4), control module (8) generate second control signal driving hydraulic valve (12) commutation；
3) after hydraulic valve (12) completes commutation, control module (8) generates third control signal drive hydraulic system principle operation, control the
Two executive components (14) advance set distance；
4) being unlocked by pressing button (5), control module (8) generate the 4th control signal drive hydraulic system principle operation, control the first liquid
Pressure oil reflux, the second executive component (14) retreat set distance in the case where elastic component (9) act on；
5) Continued depression declines button (3), control module (8) generate the 5th control signal control hydraulic valve (12) and back towards；
6) after hydraulic valve (12) completion backs towards, control module (8) generates the 6th control signal drive hydraulic system principle operation, control the
The reflux of two hydraulic oil, the first executive component (13) decline under the effect of gravity；
7) it when unit exception, presses scram button (6), control module (8) generates the 7th control signal control hydraulic valve (12) and closes
It closes；
8) it after Abnormality remove, presses reset button (7), control module (8) generates the 8th control signal control hydraulic valve (12) and opens
It opens；
The hydraulic system includes pipeline, motor (10), hydraulic pump (11), hydraulic valve (12), the first executive component (13),
Two executive components (14), wherein motor (10) is connect with hydraulic pump (11), and hydraulic pump (11) passes through pipeline, hydraulic valve (12) point
It is not connected in the first executive component (13), the second executive component (14)；Described first executive component (13) one end and gantry support
Column (15) connection, the other end are connect with sliding block (16), and gantry support column (15) is fixed on pedestal (17)；The sliding block (16) is logical
It crosses revolute pair to connect with support arm (19), one group of rubber cushion blocks (20) is arranged in support arm (19) end；Second executive component
(14) one end is connect with gantry support column (15), and the other end is connect with anti-fall arm (18)；It is arranged one group on the anti-fall arm (18)
The the first anti-fall ladder of wedge shape equidistantly arranged, sliding block (16) are equipped with through-hole, are equipped on the inside of through-hole same with the anti-fall ladder of the first wedge shape
The anti-fall ladder of the second wedge shape of spacing；The anti-fall arm (18) passes through through-hole and connect with sliding block (16), and anti-fall arm (18) is gone back and elastic component
(9) it connects.
2. a kind of control method of lifting machine with fall-preventing protection device according to claim 1, it is characterised in that: institute
It states and one group of first anti-fall ladder of wedge shape equidistantly arranged is set on anti-fall arm (18), sliding block (16) is equipped with through-hole, through-hole inside
Equipped with anti-fall terraced with the anti-fall ladder of the second wedge shape of spacing with the first wedge shape.
3. a kind of control method of lifting machine with fall-preventing protection device according to claim 2, it is characterised in that: institute
It states anti-fall arm (18) to connect across through-hole with sliding block (16), anti-fall arm (18) also connect with elastic component (9).
4. a kind of control method of lifting machine with fall-preventing protection device according to claim 2, it is characterised in that: institute
Control module (8), motor (10), hydraulic pump (11), hydraulic valve (12) is stated to be distributed on gantry support column (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710511783.3A CN107140590B (en) | 2017-06-29 | 2017-06-29 | A kind of control method of the lifting machine with fall-preventing protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710511783.3A CN107140590B (en) | 2017-06-29 | 2017-06-29 | A kind of control method of the lifting machine with fall-preventing protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107140590A CN107140590A (en) | 2017-09-08 |
| CN107140590B true CN107140590B (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710511783.3A Active CN107140590B (en) | 2017-06-29 | 2017-06-29 | A kind of control method of the lifting machine with fall-preventing protection device |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08245195A (en) * | 1995-03-15 | 1996-09-24 | Nissan Altia Co Ltd | Buried type lift device |
| CN1699137A (en) * | 2005-05-25 | 2005-11-23 | 中国人民解放军广州军区空军工程建设局 | Global automatically controlled hydraulic jacking device and jacking method thereof |
| CN204454488U (en) * | 2015-02-12 | 2015-07-08 | 柏跃龙 | A kind of detecting and controlling system of Novel movable lifting table |
-
2017
- 2017-06-29 CN CN201710511783.3A patent/CN107140590B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08245195A (en) * | 1995-03-15 | 1996-09-24 | Nissan Altia Co Ltd | Buried type lift device |
| CN1699137A (en) * | 2005-05-25 | 2005-11-23 | 中国人民解放军广州军区空军工程建设局 | Global automatically controlled hydraulic jacking device and jacking method thereof |
| CN204454488U (en) * | 2015-02-12 | 2015-07-08 | 柏跃龙 | A kind of detecting and controlling system of Novel movable lifting table |
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| Publication number | Publication date |
|---|---|
| CN107140590A (en) | 2017-09-08 |
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