CN206511836U - A kind of electrical system for crane pretension apparatus - Google Patents
A kind of electrical system for crane pretension apparatus Download PDFInfo
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- CN206511836U CN206511836U CN201720171832.9U CN201720171832U CN206511836U CN 206511836 U CN206511836 U CN 206511836U CN 201720171832 U CN201720171832 U CN 201720171832U CN 206511836 U CN206511836 U CN 206511836U
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- crane
- oil cylinder
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Abstract
The utility model provides a kind of electrical system for crane pretension apparatus, including remote control, PLC, one or more pull bar oil cylinders being arranged between crane horizontal arm and crane board and the obliquity sensor being arranged on crane horizontal arm；The output end of the pull bar oil cylinder is hinged with pull bar, the lower surface of the affixed crane horizontal arm in top of the pull bar；The remote control is communicated to connect with the PLC, for sending control instruction to the PLC；The obliquity sensor is connected with the PLC, for gathering the angle of inclination of crane horizontal arm and being sent to the PLC；The PLC connects the pull bar oil cylinder, and the angle of inclination gathered according to the obliquity sensor and the control instruction control the flexible of the pull bar oil cylinder.
Description
Technical field
The utility model is related to crane and tenses field, specifically, relate to a kind of for crane pretension apparatus
Electrical system.
Background technology
Along with the rapid progress of the fast development of green energy resource, particularly wind-powered electricity generation.Unit generated energy is bigger, height windward
Higher blower fan arises at the historic moment, and this also promotes hanging device to continue to develop.And play that liter weight is bigger, lifting altitude is higher new one
For wind-powered electricity generation special tyre formula crane, wouling have to face a series of problems in design process -- tower body leans forward aggravation, crane arm
Amount of deflection increase is particularly acute.
In order to solve the problem of above is present, people are seeking a kind of preferable technical solution always.
The content of the invention
The purpose of this utility model be in view of the shortcomings of the prior art so that a kind of design science is provided, it is practical, raw
Production efficiency high, production cost are low, the quality of production is reliably used for the electrical system of crane pretension apparatus.
To achieve these goals, the technical scheme that the utility model is used is：One kind is used for crane pretension dress
The electrical system put, including remote control, PLC, be arranged between crane horizontal arm and crane board
One or more pull bar oil cylinders and the obliquity sensor that is arranged on crane horizontal arm；The output end of the pull bar oil cylinder
It is hinged with pull bar, the lower surface of the affixed crane horizontal arm in top of the pull bar；The remote control may be programmed with the PLC
Controller is communicated to connect, for sending control instruction to the PLC；The obliquity sensor and the PLC
Programmable controller is connected, for gathering the angle of inclination of crane horizontal arm and being sent to the PLC；Institute
State PLC and connect the pull bar oil cylinder, the angle of inclination gathered according to the obliquity sensor and the control
Instruction controls the flexible of the pull bar oil cylinder.
Based on above-mentioned, the displacement sensing for detecting the pull bar oil cylinder telescopic displacement is provided with the pull bar oil cylinder
Device, institute's displacement sensors are connected with the PLC.
Based on above-mentioned, the electrical system for crane pretension apparatus also includes electronically controlled proportional valve, and the PLC can
Programmable controller controls the flexible of the pull bar oil cylinder by the electronically controlled proportional valve.
Based on above-mentioned, the remote control includes remote signal transmitting terminal and remote control signal receiver end, the remote signal
Transmitting terminal is connected by way of wirelessly or non-wirelessly with the remote control signal receiver end, for being sent out to the remote control signal receiver end
The control instruction is sent, the remote control signal receiver end is connected with the PLC bus, for receiving and transmitting
The control instruction is to the PLC.
Based on above-mentioned, the electrical system for crane pretension apparatus also includes display terminal, and the display is whole
End is connected with the PLC bus.
The utility model has substantive distinguishing features and progress compared with the prior art, and specifically, the utility model is according to water
The lifting of the flexible and pull bar of the angle of inclination of flat arm and the control instruction control pull bar oil cylinder of remote control, it is achieved thereby that rising
The angular adjustment of heavy-duty machine horizontal arm, and finally realize crane pretension operation, with operate it is flexible, easy to use, peace
Complete reliable advantage.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is theory diagram of the present utility model.
Fig. 3 is obliquity sensor of the present utility model and horizontal arm schematic view of the mounting position.
In figure：1. board；2. driver's cabin；3. tower body；4. crane arm；5. swing arm；6. horizontal arm；7. luffing elevator；8.
Rise elevator；9. obliquity sensor；10. pull bar；11. pull bar oil cylinder；12. displacement transducer；13.PLC programmable controllers；14.
Remote signal transmitting terminal；15. remote control signal receiver end；16. display terminal.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
It is as shown in Figure 1 the structure of the crane of institute's foundation in the utility model, the crane includes board 1, set
Driver's cabin 2 and tower body 3 on the board 1 and crane arm 4, swing arm 5 and the horizontal arm 6 for being hinged on the top of tower body 3,
Luffing elevator 7 and raising elevator 8 are additionally provided with the board 1.
Embodiment 1
As depicted in figs. 1 and 2, a kind of electrical system for crane pretension apparatus, including pull bar oil cylinder 11, inclination angle
Sensor 9, remote control and PLC 13, the PLC 13 are arranged on inside the board 1,
The pull bar oil cylinder 13 is arranged on the board 1, and the output end of the pull bar oil cylinder 11 is hinged with pull bar 10, the pull bar 10
The affixed horizontal arm 6 in top lower surface；The remote control is connected with the PLC 13, is used for
Control instruction is sent to the PLC 13；The obliquity sensor 9 connects with the PLC 13
Connect, for gathering the angle of inclination of the horizontal arm 6 and being sent to the PLC 13；The PLC programmable controls
Device 9 processed is also connected with the pull bar oil cylinder 11, and the angle of inclination gathered according to the obliquity sensor 9 and the control instruction are controlled
The pull bar oil cylinder 11 it is flexible, so as to adjust the angle of inclination of the horizontal arm 6 by adjusting the height of the pull bar 10.
Specifically, the remote control includes remote signal transmitting terminal 14 and remote control signal receiver end 15, the remote control letter
Number transmitting terminal 14 sends the control instruction, the remote control by way of wirelessly or non-wirelessly to the remote control signal receiver end 15
The control instruction is uploaded to the PLC 13 by signal receiving end 15 by bus connecting mode.
Specifically, the obliquity sensor 9 is single-shaft inclination angle sensor, the angle change for detecting a direction；Such as
Shown in Fig. 2, the obliquity sensor 9 is placed on the horizontal arm 6, wherein, the crane arm 4 and the positive direction of tower body 3
Direction when being hinged is the Y-axis positive direction of the obliquity sensor 9, when the crane arm 4 is hinged with the opposite direction of tower body 3
Direction is the Y-axis negative direction of the obliquity sensor 9.
It is illustrated in figure 3 three kind states of the horizontal arm 6 in actual condition：Perfect condition, forward-lean state and layback
State.When the horizontal arm 6 is perfect condition, the Y-axis positive direction of the obliquity sensor 9 and the Y of the obliquity sensor 9
The equal no signal of axle negative direction, the obliquity sensor 9 exports zero degree value；When the horizontal arm 6 is forward-lean state, the lifting
Arm 4 is hinged direction for positive direction with the tower body 3, and the Y-axis positive direction of the corresponding obliquity sensor 9 has signal, described
Obliquity sensor 9 exports positive angle angle value；When the horizontal arm 6 is layback state, the hinge of the crane arm 4 and the tower body 3
Direction is connect for opposite direction, the Y-axis negative direction of the corresponding obliquity sensor 9 has signal, and the obliquity sensor 9 exports negative angle
Angle value.
When the obliquity sensor 9 exports positive angle angle value, the PLC 13 controls the pull bar oil cylinder
11 rotating shaft is stretched out, while the angle of inclination that the obliquity sensor 9 detects the horizontal arm 6 is continued through, when the inclination angle
When sensor 9 exports zero degree value, oil cylinder stopping action；When the obliquity sensor 9 exports negative angle angle value, the PLC can be compiled
Range controller 13 controls the rotating shaft of the pull bar oil cylinder 11 to retract, while continuing through the obliquity sensor 9 detects the water
The angle of inclination of flat arm 6, when the obliquity sensor 9 exports zero degree value, oil cylinder stopping action.
Specifically, the telescopic displacement in order to adjust the pull bar oil cylinder 11, the electricity for crane pretension apparatus
Gas system also includes the electronically controlled proportional valve and displacement transducer 12 electrically connected respectively with the PLC 13, described
Displacement transducer 12 is arranged in the pull bar oil cylinder 11, the displacement for detecting the pull bar oil cylinder 11；The automatically controlled ratio
Valve connects the pull bar oil cylinder 11；Angle of inclination that the PLC 13 is exported according to the obliquity sensor 9 and
The control command that the remote control transmitting terminal 14 is sent performs PLC sequential operation and exports PWM ripples to control the automatically controlled ratio
The opening angle of example valve, so as to flow through the oil mass of the pull bar oil cylinder 11 by control to adjust the flexible of the pull bar oil cylinder 11
Displacement.When the angle of inclination of the horizontal arm 6 is zero, the PLC 13 controls the pull bar oil cylinder 11 to stop
Action.
Embodiment 2
The present embodiment in place of the difference of embodiment 1 with being：The number of the pull bar oil cylinder 11 and the pull bar 10 is
It is multiple.
It is preferred that, in the present embodiment, the number of the pull bar oil cylinder 11 and the pull bar 10 is two；The pull bar
Oil cylinder 11 includes the first scuffing of cylinder bore oil cylinder and the second pull bar oil cylinder, and the output end of the first pull bar oil cylinder is hinged with the first pull bar,
The output end of the second pull bar oil cylinder is hinged with the second pull bar, and the top of first pull bar and second pull bar is affixed
The lower surface of the horizontal arm 6；The PLC 13 connects the first pull bar oil cylinder and described second and drawn respectively
Rod oil cylinder, the angle of inclination gathered according to the obliquity sensor 9 and the control instruction drive the first pull bar oil cylinder and
The second pull bar cylinder action.
Corresponding, the electronically controlled proportional valve includes the first electronically controlled proportional valve and the second electronically controlled proportional valve, and described first is automatically controlled
Proportioning valve and second electronically controlled proportional valve are connected with the PLC 13 respectively, first electronically controlled proportional valve
The first pull bar oil cylinder is connected, the PWM ripples exported according to the PLC 13 adjust the first pull bar oil cylinder
Telescopic displacement；Second electronically controlled proportional valve connects the second pull bar oil cylinder, for according to the PLC
The PWM ripples of 13 outputs adjust the telescopic displacement of the second pull bar oil cylinder.
Specifically, institute's displacement sensors 12 include the first displacement transducer and second displacement sensor, described first
Displacement sensor and the second displacement sensor are connected with the PLC 13 respectively；First displacement sensing
Device is arranged in the first pull bar oil cylinder, the telescopic displacement for gathering the first pull bar oil cylinder；The second displacement is passed
Sensor is arranged in the second pull bar oil cylinder, the telescopic displacement for gathering the second pull bar oil cylinder；The PLC may be programmed
Controller 13 compares the telescopic displacement and the second displacement of the first pull bar oil cylinder of the first displacement transducer collection
The telescopic displacement of the second pull bar oil cylinder of sensor collection, when the telescopic displacement of the first pull bar oil cylinder is more than described the
During the telescopic displacement of two pull bar oil cylinders, the PLC 13 reduces the opening angle of first electronically controlled proportional valve,
The opening angle of second electronically controlled proportional valve is increased simultaneously；Continue to gather simultaneously the first pull bar oil cylinder telescopic displacement and
The telescopic displacement of the second pull bar oil cylinder, until being equal to second pull bar oil when the telescopic displacement of the first pull bar oil cylinder
During the telescopic displacement of cylinder, stop adjusting the opening angle of first electronically controlled proportional valve and second electronically controlled proportional valve.
It should be noted that first displacement transducer and the second displacement sensor are described pre- for crane
In the electrical system of take-up device, only serve monitoring pull bar oil cylinder stroke to ensure that the first pull bar oil cylinder and described second is drawn
The effect of rod oil cylinder synchronization action, finally adjusts the first pull bar oil cylinder with the angle of inclination of obliquity sensor collection
With the final telescopic displacement of the second pull bar oil cylinder.
Embodiment 3
The present embodiment in place of the difference of embodiment 1 and embodiment 2 with being：The electricity for crane pretension apparatus
Gas system also includes display terminal 16, and the display terminal 16 is connected with the bus of PLC 13, for showing
Angle of inclination and the telescopic displacement of the pull bar oil cylinder 11 of institute's displacement sensors collection that the obliquity sensor 9 is gathered, are easy to
Operating personnel observe, so as to ensure the safe operation of crane.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：Still embodiment of the present utility model can be modified or some technical characteristics are equally replaced
Change；Without departing from the spirit of technical solutions of the utility model, it all should cover in the claimed technical scheme of the utility model
Among scope.
Claims (5)
1. a kind of electrical system for crane pretension apparatus, it is characterised in that：Including remote control, PLC programmable controls
Device processed, one or more pull bar oil cylinders being arranged between crane horizontal arm and crane board and it is arranged on crane water
Obliquity sensor on flat arm；
The output end of the pull bar oil cylinder is hinged with pull bar, the lower surface of the affixed crane horizontal arm in top of the pull bar；Institute
State remote control to communicate to connect with the PLC, refer to for sending control to the PLC
Order；The obliquity sensor is connected with the PLC, and the angle of inclination for gathering crane horizontal arm is concurrent
Give the PLC；The PLC connects the pull bar oil cylinder, is sensed according to the inclination angle
The angle of inclination of device collection and the control instruction control the flexible of the pull bar oil cylinder.
2. a kind of electrical system for crane pretension apparatus according to claim 1, it is characterised in that：It is described to draw
Be provided with the displacement transducer for detecting the pull bar oil cylinder telescopic displacement in rod oil cylinder, institute's displacement sensors with it is described
PLC is connected.
3. a kind of electrical system for crane pretension apparatus according to claim 2, it is characterised in that：Also include
Electronically controlled proportional valve, the PLC controls the flexible of the pull bar oil cylinder by the electronically controlled proportional valve.
4. a kind of electrical system for crane pretension apparatus according to claim 3, it is characterised in that：It is described distant
Controlling device includes remote signal transmitting terminal and remote control signal receiver end, and the remote signal transmitting terminal passes through side wirelessly or non-wirelessly
Formula is connected with the remote control signal receiver end, for sending the control instruction, the remote control to the remote control signal receiver end
Signal receiving end is connected with the PLC bus, for receive and transmit the control instruction to the PLC can
Programmable controller.
5. a kind of electrical system for crane pretension apparatus according to claim any one of 1-4, its feature exists
In：Also include display terminal, the display terminal is connected with the PLC bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720171832.9U CN206511836U (en) | 2017-02-24 | 2017-02-24 | A kind of electrical system for crane pretension apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720171832.9U CN206511836U (en) | 2017-02-24 | 2017-02-24 | A kind of electrical system for crane pretension apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206511836U true CN206511836U (en) | 2017-09-22 |
Family
ID=59868421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720171832.9U Active CN206511836U (en) | 2017-02-24 | 2017-02-24 | A kind of electrical system for crane pretension apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206511836U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501426A (en) * | 2021-06-30 | 2021-10-15 | 日照钢铁控股集团有限公司 | Control algorithm for automatic material stacking model of cyclone well travelling crane |
| CN114291733A (en) * | 2021-12-20 | 2022-04-08 | 三一帕尔菲格特种车辆装备有限公司 | Electrical control system and method for crane |
-
2017
- 2017-02-24 CN CN201720171832.9U patent/CN206511836U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501426A (en) * | 2021-06-30 | 2021-10-15 | 日照钢铁控股集团有限公司 | Control algorithm for automatic material stacking model of cyclone well travelling crane |
| CN113501426B (en) * | 2021-06-30 | 2024-03-29 | 日照钢铁控股集团有限公司 | Automatic windrow model control algorithm for cyclone well traveling crane |
| CN114291733A (en) * | 2021-12-20 | 2022-04-08 | 三一帕尔菲格特种车辆装备有限公司 | Electrical control system and method for crane |
| CN114291733B (en) * | 2021-12-20 | 2023-12-22 | 三一帕尔菲格特种车辆装备有限公司 | Crane electrical control system and method |
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