CN106865431A - The torque limiter of tyre crane and its method for limiting - Google Patents
The torque limiter of tyre crane and its method for limiting Download PDFInfo
- Publication number
- CN106865431A CN106865431A CN201510926094.XA CN201510926094A CN106865431A CN 106865431 A CN106865431 A CN 106865431A CN 201510926094 A CN201510926094 A CN 201510926094A CN 106865431 A CN106865431 A CN 106865431A
- Authority
- CN
- China
- Prior art keywords
- electrically connected
- data processing
- oil pressure
- torque limiter
- sensor
- 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
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
- B66C23/90—Devices for indicating or limiting lifting moment
- B66C23/905—Devices for indicating or limiting lifting moment electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
- B66C2700/0321—Travelling cranes
- B66C2700/0357—Cranes on road or off-road vehicles, on trailers or towed vehicles; Cranes on wheels or crane-trucks
Abstract
The torque limiter of tyre crane and its method for limiting.Often it is operated in complicated rugged environment due to autocrane, if there is accident, the heavy losses of lives and properties can be caused, to ensure its safety work, limiter of moment just turns into very important protection device.Composition of the invention includes：Housing（1）, surface of shell is provided with control panel（2）, control panel is provided with LCDs（3）, keyboard（4）, status indicator lamp（5）, alarm（6）, housing lower section is provided with sensor interface（7）, the signal acquisition module of sensor interface and enclosure interior（8）Electrically connect, signal acquisition module and A/D conversion chips（9）Electrically connect, A/D conversion chips and data processing module（10）Electrically connect, data processing module passes through photoisolator（11）With alarm module（12）, braking protection module（13）Electrically connect.The present invention is used for the torque limiter of tyre crane and its method for limiting.
Description
Technical field：
The present invention relates to a kind of the torque limiter of tyre crane and its method for limiting.
Background technology：
Often it is operated in complicated rugged environment due to autocrane, if there is accident, the heavy losses of lives and properties can be caused.To ensure its safety work, limiter of moment just turns into very important protection device.Conventional its weight detecting part of mechanical automobile crane torque limiter is generally divided into two kinds of steel wire rope power taking and amplitude oil cylinder power taking now, the former directly measures pulling force suffered by steel wire rope using sensor on gib head steel wire rope, weight weight is can be obtained by by the proportional relation of steel wire rope stress and lift heavy thing, data handling procedure is convenient, but due to the working characteristics of autocrane itself, force cell is easy to be damaged, and influences normal work.The method of amplitude oil cylinder power taking is the oil pressure for measuring upper and lower oil cylinder respectively using two oil pressure sensors, obtain pressure difference value, other structures parameter then in conjunction with crane calculates to obtain lift heavy weight by certain formula, and accurate autocrane Mathematical Modeling is just must be set up in this way.
The content of the invention：
It is an object of the invention to provide a kind of the torque limiter of tyre crane and its method for limiting.
Above-mentioned purpose is realized by following technical scheme：
A kind of the torque limiter of tyre crane, its composition includes：Housing, described surface of shell is provided with control panel, described control panel is provided with LCDs, keyboard, status indicator lamp, alarm, described housing lower section is provided with sensor interface, described sensor interface is electrically connected with the signal acquisition module of enclosure interior, described signal acquisition module with
A/D
Conversion chip is electrically connected, described
A/D
Conversion chip is electrically connected with data processing module, and described data processing module is electrically connected by photoisolator with alarm module, braking protection module.
Described the torque limiter of tyre crane, described signal acquisition module includes linear transducer, angular transducer, epicoele oil pressure sensor, cavity of resorption oil pressure sensor, height limit sensor, described linear transducer, angular transducer, epicoele oil pressure sensor, cavity of resorption oil pressure sensor with it is described
A/D
Conversion chip is electrically connected, and described height limit sensor is electrically connected with photoisolator, and described photoisolator is electrically connected with described data processing module.
Described the torque limiter of tyre crane, described data processing module uses single-chip microcomputer
W78E516
, described data processing module electrically connects with described LCDs, described keyboard, memory.
A kind of method for limiting of described the torque limiter of tyre crane, the method comprises the following steps：
Signal acquisition module passes through sensor interface acquisition length sensor, angular transducer, epicoele oil pressure sensor, the analog signalses of cavity of resorption oil pressure sensor, and analog signalses are
4-20mA
Current signal, by being converted into
0-4
It is sent to after voltage signal
A/D
Conversion chip
TLC2543
Measure, the on-off model of height limit sensor is gathered, by being sent to single-chip microcomputer after Phototube Coupling
W78E516
Processed, single-chip microcomputer
W78E516
With reference to the working condition and structural parameters of autocrane; brachium, the elevation angle, load-carrying, the parameter of torque percentage of crane is calculated and displayed; determine whether protection signal of alarming and brake; and respective handling is made by status indicator lamp and alarm; when autocrane is in risky operation situation, alarm, brake protection portion branch provides acousto-optic early warning for operator, when the situation is critical; braking protection portion branch forces to stop risky operation, to ensure the safety of crane.
Beneficial effects of the present invention：
Signal acquisition part of the present invention is responsible for gathering analog signalses and on-off model, and analog signalses have the upper and lower chamber oil pressure sensor signal of linear transducer signal, angular transducer, amplitude oil cylinder, are
4-20mA
Current signal, by being converted into
0-4
It is sent to after voltage signal
A/D
Conversion chip
TLC2543
Measurement, height limit sensor is on-off model, by being sent to single-chip microcomputer after Phototube Coupling
W78E516
Treatment, is used to prevent crane hook pulleying.
The core of data processing section of the present invention is single-chip microcomputer
W78E516
, each analog quantity and on-off model send into single-chip microcomputer after treatment, with reference to the working condition and structural parameters of autocrane,
W78E516
The parameters such as brachium, the elevation angle, load-carrying, the torque percentage of crane are calculated and displayed; determine whether protection signal of alarming and brake; and make respective handling; easily every structural parameters, alarm parameters of crane etc. can be configured by keyboard, by the parameters of input through keyboard also by
W78E516
Treatment, and be stored in can power down preserve memory chip
24C256
In, when autocrane is in risky operation situation, alarm, brake protection portion branch provides acousto-optic early warning for operator, and when the situation is critical, braking protection portion branch forces to stop risky operation, to ensure the safety of crane.
The present invention both greatly reduces debug time, in turn ensure that system is accurately and reliably run, and according to field adjustable result, error can be controlled
2
Within %.
Brief description of the drawings：
Accompanying drawing
1
It is structural representation of the invention.
Accompanying drawing
2
It is internal structure block diagram of the invention.
Specific embodiment：
Embodiment
1
：
A kind of the torque limiter of tyre crane, its composition includes：Housing
1
, described surface of shell is provided with control panel
2
, described control panel is provided with LCDs
3
, keyboard
4
, status indicator lamp
5
, alarm
6
, described housing lower section is provided with sensor interface
7
, the signal acquisition module of described sensor interface and enclosure interior
8
Electrically connect, described signal acquisition module with
A/D
Conversion chip
9
Electrically connect, it is described
A/D
Conversion chip and data processing module
10
Electrically connect, described data processing module passes through photoisolator
11
With alarm module
12
, braking protection module
13
Electrically connect.
Embodiment
2
：
According to embodiment
1
Described the torque limiter of tyre crane, described signal acquisition module includes linear transducer
14
, angular transducer
15
, epicoele oil pressure sensor
16
, cavity of resorption oil pressure sensor
17
, height limit sensor
18
, described linear transducer, angular transducer, epicoele oil pressure sensor, cavity of resorption oil pressure sensor with it is described
A/D
Conversion chip is electrically connected, and described height limit sensor is electrically connected with photoisolator, and described photoisolator is electrically connected with described data processing module.
Embodiment
3
：
According to embodiment
1
Or
2
Described the torque limiter of tyre crane, described data processing module uses single-chip microcomputer
W78E516
, described data processing module and described LCDs, described keyboard, memory
19
Electrically connect.
Embodiment
4
：
A kind of embodiment
1-3
One of described the torque limiter of tyre crane method for limiting, the method comprises the following steps：
Signal acquisition module passes through sensor interface acquisition length sensor, angular transducer, epicoele oil pressure sensor, the analog signalses of cavity of resorption oil pressure sensor, and analog signalses are
4-20mA
Current signal, by being converted into
0-4
It is sent to after voltage signal
A/D
Conversion chip
TLC2543
Measure, the on-off model of height limit sensor is gathered, by being sent to single-chip microcomputer after Phototube Coupling
W78E516
Processed, single-chip microcomputer
W78E516
With reference to the working condition and structural parameters of autocrane; brachium, the elevation angle, load-carrying, the parameter of torque percentage of crane is calculated and displayed; determine whether protection signal of alarming and brake; and respective handling is made by status indicator lamp and alarm; when autocrane is in risky operation situation, alarm, brake protection portion branch provides acousto-optic early warning for operator, when the situation is critical; braking protection portion branch forces to stop risky operation, to ensure the safety of crane.
Claims (4)
1. a kind of the torque limiter of tyre crane, its composition includes：Housing, it is characterized in that：Described surface of shell is provided with control panel; described control panel is provided with LCDs, keyboard, status indicator lamp, alarm; described housing lower section is provided with sensor interface; described sensor interface is electrically connected with the signal acquisition module of enclosure interior; described signal acquisition module is electrically connected with A/D conversion chips; described A/D conversion chips are electrically connected with data processing module, and described data processing module is electrically connected by photoisolator with alarm module, braking protection module.
2. the torque limiter of tyre crane according to claim 1, it is characterized in that：Described signal acquisition module includes linear transducer, angular transducer, epicoele oil pressure sensor, cavity of resorption oil pressure sensor, height limit sensor, described linear transducer, angular transducer, epicoele oil pressure sensor, cavity of resorption oil pressure sensor are electrically connected with described A/D conversion chips, described height limit sensor is electrically connected with photoisolator, and described photoisolator is electrically connected with described data processing module.
3. the torque limiter of tyre crane according to claim 1 and 2, it is characterized in that：Described data processing module uses single-chip microcomputer W78E516, described data processing module to be electrically connected with described LCDs, described keyboard, memory.
4. the method for limiting of the described the torque limiter of tyre crane of one of a kind of claim 1-3, it is characterized in that：The method comprises the following steps：
Signal acquisition module passes through sensor interface acquisition length sensor, angular transducer, epicoele oil pressure sensor, the analog signalses of cavity of resorption oil pressure sensor, analog signalses are 4-20mA current signals, A/D conversion chips TLC2543 is sent to after being converted into 0-4 voltage signals to measure, the on-off model of height limit sensor is gathered, by being sent to single-chip microcomputer after Phototube Coupling
W78E516 treatment, single-chip microcomputer
The working condition and structural parameters of W78E516 combination autocranes; brachium, the elevation angle, load-carrying, the parameter of torque percentage of crane is calculated and displayed; determine whether protection signal of alarming and brake; and respective handling is made by status indicator lamp and alarm; when autocrane is in risky operation situation, alarm, brake protection portion branch provides acousto-optic early warning for operator, when the situation is critical; braking protection portion branch forces to stop risky operation, to ensure the safety of crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510926094.XA CN106865431A (en) | 2015-12-14 | 2015-12-14 | The torque limiter of tyre crane and its method for limiting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510926094.XA CN106865431A (en) | 2015-12-14 | 2015-12-14 | The torque limiter of tyre crane and its method for limiting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106865431A true CN106865431A (en) | 2017-06-20 |
Family
ID=59177812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510926094.XA Pending CN106865431A (en) | 2015-12-14 | 2015-12-14 | The torque limiter of tyre crane and its method for limiting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106865431A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108675144A (en) * | 2018-07-05 | 2018-10-19 | 江西飞达电气设备有限公司 | A kind of high pedestal jib crane limiter of moment |
| CN113697674A (en) * | 2021-08-17 | 2021-11-26 | 中际联合（北京）科技股份有限公司 | Crane control system, control method and device thereof, and electronic equipment |
-
2015
- 2015-12-14 CN CN201510926094.XA patent/CN106865431A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108675144A (en) * | 2018-07-05 | 2018-10-19 | 江西飞达电气设备有限公司 | A kind of high pedestal jib crane limiter of moment |
| CN108675144B (en) * | 2018-07-05 | 2024-03-22 | 江西飞达电气设备有限公司 | Moment limiter of gantry crane |
| CN113697674A (en) * | 2021-08-17 | 2021-11-26 | 中际联合（北京）科技股份有限公司 | Crane control system, control method and device thereof, and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170620 |
|
| WD01 | Invention patent application deemed withdrawn after publication |