CN206014288U - A kind of extra large work folding-jib crane released rope detecting device - Google Patents
A kind of extra large work folding-jib crane released rope detecting device Download PDFInfo
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- CN206014288U CN206014288U CN201621025370.1U CN201621025370U CN206014288U CN 206014288 U CN206014288 U CN 206014288U CN 201621025370 U CN201621025370 U CN 201621025370U CN 206014288 U CN206014288 U CN 206014288U
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- pulley
- steel wire
- folding
- wire rope
- jib crane
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Abstract
This utility model provides a kind of extra large work folding-jib crane released rope detecting device, and detection means includes：Principal arm and auxiliary；Main winch；Auxiliary assembly pulley, auxiliary assembly pulley include pulley and the sensor for measuring the folding and unfolding state of steel wire rope on pulley；PLC unit, PLC unit are connected with absolute value encoder and sensor respectively, to judge the steel wire rope state in which between main winch and pulley；Man-machine monitoring interface unit, for showing steel wire rope state in which.Detection means of the present utility model can accurately obtain the relaxed state information of folding-jib crane steel wire rope, reduce the abrasion that mutually twisting and producing occur in steel wire rope, it is to avoid the generation of engineering accident, ensure extra large work folding-jib crane compensation of undulation precision.
Description
Technical field
This utility model is related to crane field, more particularly to a kind of extra large work folding-jib crane released rope detecting device.
Background technology
At present, application of the folding-jib crane in ocean engineering is extremely wide, particularly in pipelines in deep sea construction and money
Critical effect is played in the exploitation of source.In normal lifts, goods can move up and down crane because of wave action, from
And cause steel wire rope between the winch on crane and fixed pulley to produce loosening, it is susceptible to rope stretch, sagging and shake
Dynamic situation.In the case of steel wire rope looseness, the displacement of steel wire rope measured by winch encoder and actual steel wire rope can be caused
There is error between the displacement of suspension hook end, so as to cause the reduction of winch compensation of undulation precision, while may also result in winch
Interior steel wire rope malalignment, steel wire rope are mutually twisted, and so as to cause, steel rope abrasion is serious, service life shortens, steel wire when serious
Rope is also possible to depart from bracket, causes the generation of contingency.Therefore, it is necessary to the steel on crane between winch and fixed pulley
Cord carries out loosening detection, to improve accuracy, high efficiency and the safety of offshore crane.
Utility model content
The purpose of this utility model is the extra large work for providing a kind of simple principle, install convenient, reliability height and low cost
Folding-jib crane released rope detecting device, to solve above-mentioned technical problem.
In order to realize that above-mentioned purpose, this utility model are employed the following technical solutions：
This utility model provides a kind of extra large work folding-jib crane released rope detecting device, including：Principal arm and auxiliary；Main strand
Car, main winch are connected on one end of principal arm, are provided with absolute value encoder in the rotary shaft of main winch；Auxiliary assembly pulley, secondary
Arm assembly pulley includes that pulley and the sensor for measuring the folding and unfolding state of steel wire rope on pulley, pulley are connected to the another of principal arm
It is connected on end and with one end of auxiliary, the other end of auxiliary is connected with suspension hook end；PLC unit, PLC unit respectively with absolute value
Encoder and sensor connection, long with the folding and unfolding for obtaining the steel wire rope on steel wire rope folding and unfolding length S1 and pulley on main winch
Degree S2, and compare the size of S1 and S2, to judge the steel wire rope state in which between main winch and pulley；Man-machine monitoring interface
Unit, man-machine monitoring interface unit are connected with PLC unit, for showing steel wire rope state in which.
Further, auxiliary assembly pulley also includes：Along the marking plate and division board of the circumferentially staggered arrangement of pulley surface, sensing
Device is photoelectric sensor, and photoelectric sensor is arranged on the side of auxiliary assembly pulley, to be engaged with marking plate and division board, produces
P-pulse number and pulse train that steel wire rope rises or falls, judge the traffic direction of auxiliary assembly pulley for PLC and turn
Dynamic distance.
Further, the quantity of photoelectric sensor is two, and photoelectric sensor is installed in the side just to marking plate, auxiliary
Mounting distance of the distance between the two neighbouring marking plates of assembly pulley equal to two photoelectric sensors.
Further, steel wire rope state in which includes relaxed state, normal folding and unfolding state and tensioning state.
Further, PLC unit and man-machine monitoring interface unit are arranged in driver's cabin.
Compared with prior art, this utility model has advantages below：As this utility model can be accurately obtained
The relaxed state information of folding-jib crane steel wire rope, reduce the abrasion that mutually twisting and producing occur in steel wire rope, it is to avoid engineering
The generation of accident, has ensured extra large work folding-jib crane compensation of undulation precision.Meanwhile, this utility model simple structure safely may be used
Lean on, easy for installation and with low cost.
Description of the drawings
Fig. 1 is the structural representation of extra large work folding-jib crane released rope detecting device of the present utility model；
Fig. 2 is the structural representation of the auxiliary assembly pulley in Fig. 1.
Wherein, 1, pedestal, 2, tower body, 3, PLC unit, 4, communication cable, 5, absolute value encoder, 6, main winch, 7, main
Arm, 8, auxiliary assembly pulley, 9, photoelectric sensor, 10, auxiliary, 11, man-machine monitoring interface unit, 12, driver's cabin, 13, marking plate,
14th, division board, 15, pulley.
Specific embodiment
In order to be better understood from this utility model, come to the technical solution of the utility model with reference to embodiment and accompanying drawing
It is described further.
With reference to Fig. 1, the extra large work folding-jib crane released rope detecting device of one embodiment of the present utility model is it illustrates,
Wherein tower body 2 is arranged on pedestal 1, and detection means includes：Principal arm 7 and auxiliary 10；Main winch 6, main winch 6 are connected to principal arm 7
One end on, absolute value encoder 5 is installed in the rotary shaft of main winch 6；Auxiliary assembly pulley 8, as shown in Fig. 2 auxiliary pulley
Group 8 includes photoelectric sensor 9, pulley 15 and marking plate 13 and division board 14 along the circumferentially staggered arrangement in 15 surface of pulley, photoelectricity
Sensor 9 installed in auxiliary assembly pulley 8 side, to be engaged with marking plate 13 and division board 14, produce steel wire rope rise or
The P-pulse number of decline and pulse train.Pulley 15 is connected on the other end of principal arm 7 and is connected with one end of auxiliary 10, secondary
The other end of arm 10 is connected with for lifting the suspension hook end (not shown) of object.Detection means also includes PLC unit 3, and PLC is mono-
Unit 3 is connected with absolute value encoder 5 and photoelectric sensor 9 respectively, with obtain steel wire rope folding and unfolding length S1 on main winch and
Folding and unfolding length S2 of the steel wire rope on pulley, and compare the size of S1 and S2, to judge the steel wire rope between main winch and pulley
State in which includes relaxed state, normal folding and unfolding state or tensioning state.Detection means also includes man-machine monitoring interface list
Unit 11, man-machine monitoring interface unit 11 are connected by cable communication ground with PLC unit 3, for showing the shape residing for steel wire rope
State.
In a preferred embodiment, the quantity of photoelectric sensor 9 is two, and photoelectric sensor 9 is arranged on just to labelling
The distance between the side of plate 13, two neighbouring marking plates 13 are equal to the mounting distance between two photoelectric sensors 9.
In above-described embodiment of the present utility model, using the principle detected by detection means it is：Carry out in steel wire rope
During folding and unfolding, main winch 6 and auxiliary assembly pulley 8 are synchronized with the movement by steel wire rope, wherein main winch 6 be drivewheel, auxiliary
Assembly pulley 8 is driven pulley.With the folding and unfolding of steel wire rope, the absolute value encoder 5 on main winch 6 produces corresponding umber of pulse and arteries and veins
Sequence is rushed, and is delivered in PLC unit 3 by communication cable 4 and is carried out data processing, and calculated, so as to obtain main winch 6
Upper steel wire rope folding and unfolding length S1.Photoelectric sensor 9 is engaged the corresponding umber of pulse of generation and arteries and veins with marking plate 13 and division board 14
Sequence is rushed, PLC unit 3 carries out data processing, to judge the traffic direction and rotation distance of auxiliary assembly pulley 8, so as to obtain cunning
Folding and unfolding length S2 of the steel wire rope on wheel 15.PLC unit 3 further carries out data processing, compares two length S1 and S2 in real time
Size, the displacement scalar at two compare the steel wire rope for being detected between main winch 6 and pulley 15 more afterwards be in relaxed state,
Normal folding and unfolding state or tensioning state, and testing result is shown by man-machine monitoring interface unit 11, drive to allow
Sail the state that personnel judge current steel wire rope in time.
Above embodiment is merely to illustrate the technical solution of the utility model but is not limited, art
Personnel should modify with reference to concrete scheme of the present utility model or equivalent is carried out to some technical characteristics,
Above-mentioned change or the replacement of equivalent should belong in the technical scheme scope that this utility model is claimed.
Claims (6)
1. a kind of extra large work folding-jib crane released rope detecting device, it is characterised in that include：
Principal arm and auxiliary；
Main winch, the main winch are connected on one end of the principal arm, are provided with absolute value in the rotary shaft of the main winch
Encoder；
Auxiliary assembly pulley, the auxiliary assembly pulley include pulley and the sensing for measuring the folding and unfolding state of steel wire rope on pulley
Device, the pulley are connected on the other end of the principal arm and are connected with one end of the auxiliary, and the other end of the auxiliary connects
It is connected to suspension hook end；
PLC unit, the PLC unit are connected with the absolute value encoder and the sensor respectively, to obtain the main strand
Folding and unfolding length S2 of the steel wire rope in length S1 that the steel wire rope on car rises or falls and pulley, and it is big with S2 to compare S1
Little, to judge the steel wire rope state in which between main winch and pulley；
Man-machine monitoring interface unit, the man-machine monitoring interface unit are connected with the PLC unit, for showing the steel wire
Rope state in which.
2. extra large work folding-jib crane released rope detecting device according to claim 1, it is characterised in that the auxiliary pulley
Group also includes：Along the marking plate and division board of the circumferentially staggered arrangement of the pulley surface, the sensor is photoelectric sensor, institute
Photoelectric sensor is stated installed in the side of the auxiliary assembly pulley, to be engaged with the marking plate and division board, steel wire is produced
P-pulse number and pulse train that rope rises or falls, judge the traffic direction of the auxiliary assembly pulley for PLC and turn
Dynamic distance.
3. extra large work folding-jib crane released rope detecting device according to claim 2, it is characterised in that the photoelectric sensing
The quantity of device is two, peace of the distance between the described two neighbouring marking plates of auxiliary assembly pulley equal to two photoelectric sensors
Dress distance.
4. the extra large work folding-jib crane released rope detecting device according to Claims 2 or 3, it is characterised in that the photoelectricity
Sensor is installed in the side just to the marking plate.
5. extra large work folding-jib crane released rope detecting device according to claim 1, it is characterised in that the steel wire rope institute
The state at place includes relaxed state, normal folding and unfolding state and tensioning state.
6. extra large work folding-jib crane released rope detecting device according to claim 1, it is characterised in that the PLC unit
It is arranged in driver's cabin with the man-machine monitoring interface unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621025370.1U CN206014288U (en) | 2016-08-31 | 2016-08-31 | A kind of extra large work folding-jib crane released rope detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621025370.1U CN206014288U (en) | 2016-08-31 | 2016-08-31 | A kind of extra large work folding-jib crane released rope detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206014288U true CN206014288U (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621025370.1U Active CN206014288U (en) | 2016-08-31 | 2016-08-31 | A kind of extra large work folding-jib crane released rope detecting device |
Country Status (1)
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| CN (1) | CN206014288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115515A (en) * | 2016-08-31 | 2016-11-16 | 润邦卡哥特科工业有限公司 | A kind of sea work folding-jib crane released rope detecting device |
-
2016
- 2016-08-31 CN CN201621025370.1U patent/CN206014288U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106115515A (en) * | 2016-08-31 | 2016-11-16 | 润邦卡哥特科工业有限公司 | A kind of sea work folding-jib crane released rope detecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215427, Jiangsu port economic and Technological Development Zone, Suzhou City, Taicang Province Patentee after: Jiangsu Runbang Industrial Equipment Co., Ltd Address before: 215427, Jiangsu port economic and Technological Development Zone, Suzhou City, Taicang Province Patentee before: RAINBOW-CARGOTEC INDUSTRIES Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |