CN102815614A - Detecting and monitoring device for displaying real-time lifting hook declination angle - Google Patents
Detecting and monitoring device for displaying real-time lifting hook declination angle Download PDFInfo
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- CN102815614A CN102815614A CN 201210327372 CN201210327372A CN102815614A CN 102815614 A CN102815614 A CN 102815614A CN 201210327372 CN201210327372 CN 201210327372 CN 201210327372 A CN201210327372 A CN 201210327372A CN 102815614 A CN102815614 A CN 102815614A
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- drift angle
- suspension hook
- universal horizontal
- crane
- angle
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Abstract
The invention discloses a detecting and monitoring device for displaying a real-time lifting hook declination angle and relates to the field of engineering machinery. The device is characterized in that a universal gradienter directly detects and dynamically displays a real-time lifting hook declination angle direction and a decination angle degree during lifting, the structure is simple, the reliability is high, the requirements that an operator can operate a crane to prevent inclined lifting, prevent the lifting hook from deflecting and eliminate the lifting hook declination angle according to the displaying of the device can be met, besides, the real-time lifting hook declination angle detecting and monitoring device is installed on the crane, and the risk that the crane can not perform perpendicular lifting and particularly can not perform perpendicular hoisting is overcome, and the device is suitable for various cranes.
Description
Technical field
Show real-time suspension hook drift angle supervisory gear (this device, down together), relate to engineering machinery field, particularly a kind of supervisory gear that is used for the crane hook drift angle.
Background technology
Crane requires vertical lifting; The driver can't judge but whether its suspension hook is in plumbness; No matter make the weight beat possibly injure surrounding devices and personnel from eccentric hook of suspension hook and other reasons; Or from the automation of realization crane operation, or from realizing that safety lifts and overcome the risk consideration that hoisting crane lifts, the detection of suspension hook drift angle all becomes the problem that hoisting crane self need be perfect.Report is arranged during to crane lifting assembly pulley or suspension hook squareness state-detection: " angle measurement unit of ZL02104525.9 crane lifting rope " is through detecting suspension hook steel rope (lifting rope; Angle down together) obtains; The practice is; Mutually perpendicular two directions respectively install a lifting rope C to be detected (L is a lift heavy) through and the U type frame UX, the UY (shown in the accompanying drawing 1) that keep in touch, install angular transducer EX, EY respectively in the rotating shaft of U type frame, when beat takes place lifting rope C; Through U type frame the angular transducer of installing in the rotating shaft being rotated exports the beat signal, has realized the two-dimensional detection to lifting rope; " 200910166488.4 1 kinds hoisting crane and lifting rope swing angle detection device " thereof practice is; Outside crane arm arm head 1 fixed pulley end lifting rope 3 to be detected, adorn a sleeve 2 (shown in the accompanying drawing 2); On sleeve outer wall, install angular transducer 4; Between crane arm arm head 1 and sleeve, installing simultaneously anti-rotation device 5,6 rotates with the restriction sleeve; When lifting rope generation beat, the sleeve through beat therewith is by the angular transducer output beat signal of installing, and founded " ZL200910171349.0 a deviation of hanging hook control method, system and device " with the signal that this kind mode detects; Also have hoist lifting hook drift angle dynamic Laser to show to be provided with 201110360173.0 the practice to be: on the crane lifting assembly pulley movable pulley backplate outside; Installing laser refractive body and in the laser generator of installing under it after the ball strand connects, and satisfy that the refractive body plane is a horizontal surface when suspension hook drift angle (perpendicularity deviation angle) 0 °; So can be emitted to the luminous point (shown in the accompanying drawing 3) on the laser refractive body plane of deviation of hanging hook change according to the laser generator of launching vertical orientation laser all the time, demonstrate the direction and the drift angle number of degrees of suspension hook drift angle in the concentric garden direction position dynamic that marks corresponding drift angle numerical value of living in; And through transmission over radio, amplify image be reproduced in the driver operation chamber.
Summary of the invention
Because crane stability is poor; The suspension hook drift angle must not be above 3 ° in the lifting; Especially the out of plumb under the big-elevation lifts the normal allocation of having destroyed Crane Load; Again because the demonstration of hoisting crane self disappearance vertical lifting; The driver can't judge whether the derrick block group is in plumbness, and will be controlled according to the information conductor driver that supervision lifted weight thing vertical lifting person provides by the lifting director; Not only untimely but also inaccurate ... So hoisting crane lifts and has a big risk; According to pointing out in the clause of " the petroleum chemical engineering lifting job specifications SH/T 3536-2002 " explanation: (by gravity) vertical suspension hook drift angle (suspension hook departs from the plumb bob vertical angle) promptly occurs if suspension hook eccentric (center of gravity that departs from the lifted weight thing through the plumb bob vertical of suspension hook) plays the hook block dress down during the empty hook of the suspension hook of " it is the operation of hazardous that two-shipper lifts, and lifting commander and driver are required than higher " hoisting crane; The speed that unit rotary process hanging vertical type weight will promote through the limit with the cooperating of speed of limit revolution could realize vertical lifting; Unit sliding method hanging vertical type weight will could be realized vertical lifting with cooperating of the vertical weight sliding velocity of other mechanical traction through crane lifting speed; When hoisting crane lifts; According to the velocity projections theorem; If will realize the vertical lifting of vertical equipment or weight, the ratio of the handover speed of the hoisting speed of main frame and subsidiary engine should equal the slope of suspension centre line of suspension centre and the subsidiary engine of main frame; Because slope is in continuous change in the lifting, especially big-elevation lifts more difficult control down ...The rubber tyre gantry crane design advanced person controls flexibly at present, many pilot-operated type handles that also adopt, thereby need only the dynamic demonstration that the suspension hook drift angle is set in the driver operation chamber, and can control the drift angle that hoisting crane is eliminated suspension hook according to this, realize vertical lifting.Seeing that the core of control crane vertical lifting is control crane hook drift angle, this setting promptly realizes the direction of crane hook drift angle, size are dynamically shown, and for controlling elimination suspension hook drift angle foundation is provided.
Description of drawings
Lifting rope swing angle detection device is implemented structural representation in Fig. 1 prior art
The angle measurement unit scheme drawing of crane lifting rope in Fig. 2 prior art
Suspension hook squareness card laser display figure in Fig. 3 prior art
Fig. 4 suspension hook perpendicularity deviation detects the principle instruction diagram;
Fig. 5 suspension hook drift angle universal horizontal appearance is kept watch on and is implemented scheme drawing
Fig. 6 suspension hook drift angle universal horizontal appearance is kept watch on the card displayed map.
Because the squareness of suspension hook will drive the variation on plane perpendicular with it on the suspension hook when changing; So proposition changes through the inclination angle between monitoring and the perpendicular plane of suspension hook same level face, detect suspension hook drift angle (suspension hook departs from the plumb bob vertical angle, down together); Promptly on the derrick block group movable pulley backplate outside, install measuring table; And when satisfying 0 ° of crane hook drift angle, the measuring table face is a horizontal surface, and this moment is if be provided with the universal horizontal appearance on table top; When derrick block group perpendicularity deviation angle occurring; The table top that shows according to the bubble present position of universal horizontal appearance departs from the ∠ A of horizontal surface, equals in the direction perpendicularity deviation ∠ B of crane lifting assembly pulley (so shown in accompanying drawing 4, because of D=90 ° of ∠ C=∠ ∠ A=∠ B).
Because the angle between the straight line on the measuring table face itself and horizontal surface; With the straight line perpendicular to measuring table face and horizontal surface intersection on the measuring table face is maximum; This angle is exactly the angle of measuring table face and horizontal surface; Again because the bubble of universal horizontal appearance always is created on the extreme higher position; Thereby it showed is measuring table face and horizontal plane angle, detected the principle instruction diagram from accompanying drawing 4 suspension hook perpendicularity deviations and can know that this angle also just equals the perpendicularity deviation angle of crane lifting assembly pulley or the drift angle of crane real-time suspension hook.In view of the above:
The practice of suspension hook drift angle universal horizontal measuring device is, on the derrick block group movable pulley backplate outside, installs measuring table, and when satisfying 0 ° of crane hook drift angle, the measuring table face is a horizontal surface; Installing is measured to be used for universal horizontal, need not power supply, need not to return to zero on table top, size is little, simple in structure be the universal horizontal appearance of characteristic; Change purposes simultaneously, the universal horizontal appearance that only is used for the quiescent levels measurement is used to show the dynamic measurement of real-time suspension hook drift angle; And according to the bubble diagram on the described universal horizontal appearance as of living in mark the cross coordinate and with the direction position in the corresponding concentric garden of angle numerical value, detect the direction and the drift angle number of degrees of real-time suspension hook drift angle.
The suspension hook perpendicularity deviation universal horizontal appearance monitor unit practice is:
(1) on the derrick block group movable pulley backplate outside, install measuring table, and when satisfying 0 ° of crane hook perpendicularity deviation angle, the measuring table face is a horizontal surface, installing universal horizontal appearance on table top;
(2) above the universal horizontal appearance, install wireless camera;
(3) install the wireless receiver supporting, control telltale at crane cab, after the image amplification with universal horizontal appearance detection in the lifting, be shown on the screen of control point with wireless camera.
Thereby can be in the suspension hook drift angle direction and the drift angle number of degrees that mark the cross coordinate and go out, and can control hoisting crane to eliminate the suspension hook drift angle according to it by the bubble diagram picture on the universal horizontal appearance with the corresponding concentric garden of angle numerical value position display.
Stress at this that suspension hook drift angle universal horizontal measuring device is installed in through the universal horizontal appearance on the perpendicular plane of the movable pulley backplate outside and suspension hook and detect, obtain new technique effect:
1, according to the bubble diagram on the described universal horizontal appearance as of living in mark the cross coordinate and with the direction position in the corresponding concentric garden of angle numerical value, detect the direction and the drift angle number of degrees of real-time suspension hook drift angle;
Though 2 change universal horizontal appearance purposes; With only being used for the universal horizontal appearance that the low-angle static horizontal detects; Can meet also that to need not pin-point reading be the detection of dynamic needs of purpose with the control not ultra allowable value in suspension hook drift angle (3 °), and dynamic time of level vial is more showy;
3, universal horizontal appearance size is little, helps on the hook assembly of finite space, installing;
4, since the device non-transformer, need not the zeroing, bubble through the bump after can in 1 second, assemble recovery, so almost non-maintaining not et out of order;
5, since apparatus structure simply, non-maintaining not et out of order almost, so reliability is high;
6, with low cost.
The specific embodiment
One, suspension hook drift angle universal horizontal measuring device
(1) makes earlier by upper flat plate and the rectangular Γ shape of perpendicular plate pack frame; With the measuring table that matches with upper flat plate; Respectively bore three connecting bores that match with countersunk-heat bolt that be that the legs of the tripod arranges at measuring table and upper flat plate with the corresponding position of platform; Measuring table is connected with upper flat plate with nut with countersunk-heat bolt, and on the bolt between measuring table and the upper flat plate, puts bearing cap shim; Then on the hoisting crane movable pulley backplate outside (room), weld three and is the lag bolts that the legs of the tripod is arranged, bore three connecting bores in the perpendicular dull and stereotyped relevant position of Γ shape framework, with nut with Γ shape frame fixation outside the movable pulley backplate; Then when 0 ° of hoisting crane lifting perpendicularity deviation angle, the adjustment through the pad thickness of overlapping on three bolts between measuring table and the upper flat plate is adjusted to horizontal surface with the measuring table face.
(2) set up the cross vertical coordinate between two parties at the measuring table table top, installing mark the cross coordinate and with the universal horizontal appearance in angle numerical value corresponding concentric garden, and according to orientation and the drift angle number of degrees of the bubble diagram on the universal horizontal appearance as residing position probing suspension hook drift angle.Protect through the crash-resistant shell of screw installing non-metal that is welded in pulley backplate outer periphery in addition.
Two, suspension hook drift angle universal horizontal appearance monitor unit
(1) makes earlier by upper flat plate and the rectangular Γ shape of perpendicular plate pack frame; With the measuring table that matches with upper flat plate; Respectively bore three connecting bores that match with countersunk-heat bolt that be that the legs of the tripod arranges at measuring table and upper flat plate with the corresponding position of platform; Measuring table is connected with upper flat plate with nut with countersunk-heat bolt, and on the bolt between measuring table and the upper flat plate, puts bearing cap shim; Then on the hoisting crane movable pulley backplate outside (room), weld three and is the lag bolts that the legs of the tripod is arranged, bore three connecting bores in the perpendicular dull and stereotyped relevant position of Γ shape framework, with nut with Γ shape frame fixation outside the movable pulley backplate; Then when 0 ° of hoisting crane lifting perpendicularity deviation angle, the adjustment through the pad thickness of overlapping on three bolts between measuring table and the upper flat plate is adjusted to horizontal surface with the measuring table face.
(2) set up the cross vertical coordinate between two parties at the measuring table table top, installing mark the cross coordinate and with the universal horizontal appearance in the corresponding concentric garden of angle numerical value, above the universal horizontal appearance, install wireless camera and antenna simultaneously.Protect through the crash-resistant shell of screw installing non-metal that is welded in pulley backplate outer periphery in addition.
(3) install the wireless receiver supporting, control telltale at crane cab, after the image amplification with universal horizontal appearance detection in the lifting, be shown on the screen of operator's compartment with wireless camera
Thereby can be in according to the bubble diagram picture on the universal horizontal appearance and mark the corresponding position, garden with one heart of cross coordinate and angle numerical value, dynamically demonstrate the direction and the drift angle number of degrees of suspension hook drift angle.
What this device was that the bubble according to the universal horizontal appearance always is created on its demonstration of extreme higher position is angle between measuring table face and horizontal surface; To realize the detection and the supervision of suspension hook drift angle; Thereby have the detector of angle between direct demonstration measuring table face and horizontal surface, like universal horizontal appearance, universal bubble level, comprehensive level indicator, universal electronic leveler bubble ... All can classify alternative row as.The universal horizontal appearance can be to producer's card scale detection range, precision meet requirements of making customized in addition.
Claims (4)
1. a suspension hook drift angle universal horizontal measuring device is characterized in that, on the derrick block group movable pulley backplate outside, installs measuring table, and when satisfying 0 ° of crane hook drift angle, the measuring table face is a horizontal surface; Installing is measured to be used for universal horizontal, need not power supply, need not to return to zero on table top, size is little, simple in structure be the universal horizontal appearance of characteristic; Change purposes simultaneously, the universal horizontal appearance that only is used for the quiescent levels measurement is used to show the dynamic measurement of real-time suspension hook drift angle.
2. suspension hook according to claim 1 drift angle universal horizontal measuring device; It is characterized in that; According to the bubble diagram on the described universal horizontal appearance as of living in mark the cross coordinate and with the direction position in angle numerical value corresponding concentric garden, detect the direction and the drift angle number of degrees of real-time suspension hook drift angle.
3. suspension hook drift angle universal horizontal appearance monitor unit is characterized in that:
(1) on the derrick block group movable pulley backplate outside, install measuring table, and when satisfying 0 ° of crane hook drift angle, the measuring table face is a horizontal surface, installing universal horizontal appearance on table top;
(2) above the universal horizontal appearance, install wireless camera;
(3), after the image amplification with universal horizontal appearance detection in the lifting, be shown on the operator's compartment screen at crane cab installing wireless receiver, control telltale.
4. suspension hook according to claim 3 drift angle universal horizontal appearance monitor unit; It is characterized in that: be in the direction position that marks with angle numerical value corresponding concentric garden by bubble diagram picture on the universal horizontal appearance on the operator's compartment screen; Directly dynamically show real-time the suspension hook drift angle direction and the drift angle number of degrees, and control hoisting crane to eliminate the suspension hook drift angle according to it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210327372 CN102815614A (en) | 2012-09-05 | 2012-09-05 | Detecting and monitoring device for displaying real-time lifting hook declination angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210327372 CN102815614A (en) | 2012-09-05 | 2012-09-05 | Detecting and monitoring device for displaying real-time lifting hook declination angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102815614A true CN102815614A (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210327372 Withdrawn CN102815614A (en) | 2012-09-05 | 2012-09-05 | Detecting and monitoring device for displaying real-time lifting hook declination angle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213902A (en) * | 2013-01-10 | 2013-07-24 | 林汉丁 | Device for detecting and monitoring deflection angle of lifting hook and crane |
| CN104658010A (en) * | 2015-01-26 | 2015-05-27 | 中国矿业大学 | Steel wire rope deflection video detection system and method |
| CN105678775A (en) * | 2016-01-13 | 2016-06-15 | 福州大学 | Color correction assessment method based on machine learning |
| CN106276587A (en) * | 2016-08-27 | 2017-01-04 | 林汉丁 | Set up hanging hook assembly and the crane of hanging hook attitude detection carrier |
| CN106498854A (en) * | 2016-11-08 | 2017-03-15 | 中铁四局集团钢结构有限公司 | A kind of angle point scale |
| WO2016177351A3 (en) * | 2016-07-06 | 2017-05-11 | 林汉丁 | Lifting hook bias angle monitoring device, vertical hoisting monitoring device, and mobile crane |
| CN107572373A (en) * | 2017-08-31 | 2018-01-12 | 武汉理工大学 | The anti-oblique pull control system of Novel crane active and its control method based on machine vision |
| CN113086854A (en) * | 2021-04-13 | 2021-07-09 | 上海海事大学 | Double-lifting-appliance swing angle detection device and method based on ultrasonic ranging principle |
-
2012
- 2012-09-05 CN CN 201210327372 patent/CN102815614A/en not_active Withdrawn
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014108033A1 (en) * | 2013-01-10 | 2014-07-17 | Lin Handing | Hook deviation angle detection and monitoring apparatus and crane |
| CN103213902B (en) * | 2013-01-10 | 2015-10-07 | 林汉丁 | The monitoring of suspension hook drift angle detecting/monitoring, collaborative party, magnetic bearing monitoring device and hoisting crane |
| US9446934B2 (en) | 2013-01-10 | 2016-09-20 | Handing Lin | Detecting, monitoring device of the hook angle and its crane |
| CN103213902A (en) * | 2013-01-10 | 2013-07-24 | 林汉丁 | Device for detecting and monitoring deflection angle of lifting hook and crane |
| CN104658010A (en) * | 2015-01-26 | 2015-05-27 | 中国矿业大学 | Steel wire rope deflection video detection system and method |
| CN105678775A (en) * | 2016-01-13 | 2016-06-15 | 福州大学 | Color correction assessment method based on machine learning |
| WO2016177351A3 (en) * | 2016-07-06 | 2017-05-11 | 林汉丁 | Lifting hook bias angle monitoring device, vertical hoisting monitoring device, and mobile crane |
| CN106276587A (en) * | 2016-08-27 | 2017-01-04 | 林汉丁 | Set up hanging hook assembly and the crane of hanging hook attitude detection carrier |
| CN106498854A (en) * | 2016-11-08 | 2017-03-15 | 中铁四局集团钢结构有限公司 | A kind of angle point scale |
| CN106498854B (en) * | 2016-11-08 | 2018-03-23 | 中铁四局集团钢结构有限公司 | A kind of angle point scale |
| CN107572373A (en) * | 2017-08-31 | 2018-01-12 | 武汉理工大学 | The anti-oblique pull control system of Novel crane active and its control method based on machine vision |
| CN107572373B (en) * | 2017-08-31 | 2019-08-23 | 武汉理工大学 | The anti-oblique pull control system of Novel crane active and its control method based on machine vision |
| CN113086854A (en) * | 2021-04-13 | 2021-07-09 | 上海海事大学 | Double-lifting-appliance swing angle detection device and method based on ultrasonic ranging principle |
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Application publication date: 20121212 |