CN204643616U - Flat boom crane lifting altitude measurement mechanism - Google Patents
Flat boom crane lifting altitude measurement mechanism Download PDFInfo
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- CN204643616U CN204643616U CN201520233340.9U CN201520233340U CN204643616U CN 204643616 U CN204643616 U CN 204643616U CN 201520233340 U CN201520233340 U CN 201520233340U CN 204643616 U CN204643616 U CN 204643616U
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- lifting altitude
- adapter shaft
- boom crane
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Abstract
The utility model relates to a kind of flat boom crane lifting altitude measurement mechanism, is mainly used in field of mechanical technique.The utility model comprises bearing, tower top crossbeam, spring, measurement pulley assembly and coder, bearing is fixed on tower top crossbeam, spring contacts with measurement pulley assembly, measure pulley assembly and comprise slide block, bearing, adapter shaft, measurement pulley and wire rope pulley, bearing is arranged in slide block, measure pulley to be connected with adapter shaft, adapter shaft is connected with coder, and wire rope pulley and bearing are fixed.The utility model compact conformation, precision is high, good reliability, by measuring the length of reel rope stretching steel rope, according to the data of suspension hook steel rope multiplying power, more accurately can measure the lifting altitude of flat boom crane, the lifting altitude numerical value providing reliability high.
Description
Technical field
The utility model relates to a kind of device, especially relates to a kind of flat boom crane lifting altitude measurement mechanism, is mainly used in technical field of crane machinery.
Background technology
Important parameter when lifting height of crane is hoisting crane operation, particularly higher at crane height, crane driver sight line is bad, when needing to carry out blind hanging, this parameter of lifting altitude just seems particularly important, the safety of the height even crane operation of relation of the accuracy rate of lifting altitude, in Crane Industry standard JGJ332-2014 " building tower crane safety monitoring system application engineering specification " newest standards, lifting altitude, as parameter in mandatory term, must possess in safety monitoring system.
On existing market, the method for measurement of lifting height of crane mainly contains two kinds, and one is by encoder pulse signal detection lifting height of crane, another kind detects lifting height of crane by the voltage signal of potential device, these two kinds of metering systems are all the positions of measuring lifting altitude according to the rotation number of turns of crane hoisting mechanism reel, under these two kinds of metering systems, lifting mechanism reel often revolves and turns around, the number of pulses produced or the change of potential device voltage are all constant, and in fact, because what crane hoisting mechanism wire rope row rope adopted is multilayer row rope, on different steel ropes row layer, reel often turn around produce Steel wire rope discharge amount be different, the more past outer reel Steel wire rope discharge that often turns around is more, more then fewer toward internal layer, adopt above-mentioned two kinds of modes when crane height is very high, very large error can be there is in the measurement numerical value of lifting altitude with actual lifting altitude, the reference significance of lifting altitude parameter is reduced greatly, and adopt potential device mode, after each flat boom crane lifting guide support adding, all need to re-start demarcation to lifting altitude, there is very large trouble.
Utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and provides a kind of reasonable in design, compact, and precision is high, good reliability, the boom crane lifting altitude measurement mechanism that volume is little.
The technical scheme in the invention for solving the above technical problem is: this flat boom crane lifting altitude measurement mechanism, comprise bearing and tower top crossbeam, described bearing is fixed on tower top crossbeam, it is characterized in that: also comprise spring, measure pulley assembly and coder, described spring contacts with measurement pulley assembly, measure pulley assembly and comprise slide block, bearing, adapter shaft, measurement pulley and wire rope pulley, bearing is arranged in slide block, measure pulley to be connected with adapter shaft, adapter shaft is connected with coder, and wire rope pulley and bearing are fixed; Rational in infrastructure, by measuring the length of reel rope stretching steel rope, according to the data of suspension hook steel rope multiplying power, more accurately can measure the lifting altitude of flat boom crane, the lifting altitude numerical value providing reliability high, error is little, precision is high, adopts alternating binary coding device, can the increase and decrease of automatic decision lifting altitude.
As preferably, the utility model also comprises reinforced rib, block, adjustment screw rod and sliding tray, and the side of described bearing is provided with reinforced rib, and the top of bearing is provided with block, this block is provided with adjustment screw rod, and the both sides of bearing have sliding tray; After pulley uses appearance wearing and tearing, can by regulating adjustment screw rod, the contact surface of pulley and steel rope is measured in increase, ensures accuracy of measurement, by adjustment block upward adjustment screw, compresses, realize the adjustment of position to spring.
As preferably, the utility model also comprises pressing plate, adaptor union, spring cotter and bearing pin, described measurement pulley is fixed on adapter shaft by pressing plate, and adapter shaft is connected with coder with spring cotter by adaptor union, and wire rope pulley is fixed on the bottom of bearing by bearing pin; Be rigidly connected by pressing plate, when measuring pulley rotation, adapter shaft will rotate thereupon, and the effect of flat boom crane original dead sheave extradition steel rope is played in the bottom being fixed on bearing.
As preferably, bearing described in the utility model adopts hollow, rectangular pipe, is provided with block in the middle part of the hollow, rectangular pipe of bearing; Positioning action is played to slide block in hollow, rectangular pipe inside.
As preferably, spring described in the utility model is arranged in the hollow, rectangular pipe of bearing, and one end of this spring contacts with block, and the other end of spring contacts with measurement pulley assembly; Spring can play to hold up measures pulley assembly effect.
The utility model compared with prior art, have the following advantages and effect: 1. reasonable in design, directly can measure the rope stretching length of hoist rope, instead of calculate flat boom crane lifting altitude according to the rotation number of turns of the wire reel that hoists, error is little, precision is high; 2. after pulley uses appearance wearing and tearing, can by regulating adjustment screw rod, the contact surface of pulley and steel rope is measured in increase, ensures accuracy of measurement; 3. adopt alternating binary coding device, can the increase and decrease of automatic decision lifting altitude, avoid simultaneously and adopt a some position device mode, each flat boom crane lifting guide support adding all needs the trouble of again demarcating lifting altitude; 4. compact conformation, volume is little, can not have influence on the overall variation of hoisting crane.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the utility model embodiment.
Fig. 2 is the right TV structure schematic diagram of the utility model embodiment.
In figure: bearing 1, spring 2, measures pulley assembly 3, coder 4, reinforced rib 5, hollow, rectangular pipe 6, block 7, adjustment screw rod 8, slide block 9, bearing 10, block 11, sliding tray 12, adaptor union 13, spring cotter 14, installation bracket 15, adapter shaft 16, pressing plate 17, measures pulley 18, steel rope 19, wire rope pulley 20, bearing pin 21, tower top crossbeam 22.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by embodiment, the utility model is described in further detail, and following examples are that the utility model is not limited to following examples to explanation of the present utility model.
Embodiment.
See Fig. 1 to Fig. 2, the present embodiment flat boom crane lifting altitude measurement mechanism mainly comprises bearing 1, tower top crossbeam 22, spring 2, measures pulley assembly 3 and coder 4.
The present embodiment bearing 1 adopts hollow, rectangular pipe 6, bearing 1 is fixed by welding on the tower top crossbeam 22 of flat boom crane, there is reinforced rib 5 side of bearing 1, for increasing bearing 1 intensity, bearing 1 both sides have sliding tray 12, adapter shaft 16 for measuring pulley assembly 3 passes through, block 7 is arranged at bearing 1 top, can be fixed on bearing 1 by bolt, block 7 there is adjustment screw rod 8, adjustment screw rod 8 can be rotated by screw thread on block 7, thus the position measuring pulley 18 in pulley assembly 3 is measured in adjustment, block 11 is had in the middle part of the hollow, rectangular pipe 6 of bearing 1, for shelving spring 2.
Measurement pulley assembly 3 in the present embodiment comprises slide block 9, bearing 10, adapter shaft 16, measure pulley 18 and wire rope pulley 20, bearing 10 is arranged in slide block 9, measuring pulley 18 is fixed on adapter shaft 16 by pressing plate 17, two groups of slide blocks 9 and measurement pulley 18 are connected by adapter shaft 16, and slide block 9 is put into the hollow, rectangular pipe 6 of bearing 1 along hollow, rectangular pipe 6 inside of bearing 1, positioning action is played to slide block 9 in hollow, rectangular pipe 6 inside, two groups of slide blocks 9 are shelved on spring 2, supported by spring 2, fixing upper bracket 1 is blocked a shot after 7, just can realize the adjustment of measuring pulley 18 position by adjustment bolt, hollow, rectangular pipe 6 outer end of bearing 1 is stretched out in adapter shaft 16 side measuring pulley assembly 3, be connected with coder 4 with spring cotter 14 by adaptor union 13, wire rope pulley 20 is fixed on bearing 1 bottom by bearing pin 21, play the effect of flat boom crane original dead sheave extradition steel rope 19.
Coder 4 in the present embodiment is bolted on installation bracket 15, installation bracket 15 is fixed by welding on one group of slide block 9, can move with slide block 9, the output shaft of coder 4 is connected with the adapter shaft 16 measuring pulley assembly 3, can rotate along with the rotation of adapter shaft 16, send impulse singla, drive coder 4 to rotate when measuring pulley 18 and rotating, thus measure tower crane lifting height and position.
The hollow, rectangular pipe 6 of bearing 1 put into by spring 2 in the present embodiment, one end is shelved on block 11, one end has been put and has been measured pulley assembly 3, spring 2 contacts with measurement pulley assembly 3, spring 2 can play picking-up measurement pulley assembly 3 and act on, by adjustment block 7 upward adjustment screw 8, spring 2 is compressed, realize the adjustment of position, measure pulley assembly 3 to slide in the hollow, rectangular pipe 6 of bearing 1, obtain different positions by the adjustment screw rod 8 on adjustment block 7, measure except the wire rope pulley 20 in pulley assembly 3 herein.
Principle of work: after this device installs, hoist rope 19 is penetrated in fixing wire rope pulley 20, install flat boom crane suspension hook, adjustment adjustment screw rod 8, measurement pulley 18 is contacted with hoist rope 19, and form certain squeese pressure, when flat boom crane suspension hook rises, during step-down operation, measure the rotation that the turnover along with steel rope 19 produces forward or backwards by pulley 18, measure pulley 18 with adapter shaft 16 for be rigidly connected by pressing plate 17, when measuring pulley 18 and rotating, adapter shaft 16 will rotate thereupon, thus drive coder 4 to send impulse singla, flat boom crane lifting altitude position accurately can be obtained being carried out process by rear end instrument pulse signals.
The present embodiment, by measuring the length of reel rope stretching steel rope 19, according to the data of suspension hook steel rope 19 multiplying power, more accurately can measure the lifting altitude of flat boom crane, the lifting altitude numerical value providing reliability high.
By above-mentioned elaboration, those skilled in the art can implement.
In addition, it should be noted that, the specific embodiment described in this specification sheets, the shape, institute's title of being named etc. of its parts and components can be different, and the above content described in this specification sheets is only to the explanation of the utility model structure example.The equivalence change that structure, feature and principle described in all foundation the utility model inventional idea are done or simple change, be included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, protection domain of the present utility model all should be belonged to.
Claims (5)
1. a flat boom crane lifting altitude measurement mechanism, comprise bearing and tower top crossbeam, described bearing is fixed on tower top crossbeam, it is characterized in that: also comprise spring, measure pulley assembly and coder, described spring contacts with measurement pulley assembly, measures pulley assembly and comprises slide block, bearing, adapter shaft, measurement pulley and wire rope pulley, bearing is arranged in slide block, measure pulley to be connected with adapter shaft, adapter shaft is connected with coder, and wire rope pulley and bearing are fixed.
2. flat boom crane lifting altitude measurement mechanism according to claim 1, it is characterized in that: also comprise reinforced rib, block, adjustment screw rod and sliding tray, the side of described bearing is provided with reinforced rib, the top of bearing is provided with block, this block is provided with adjustment screw rod, the both sides of bearing have sliding tray.
3. flat boom crane lifting altitude measurement mechanism according to claim 1, it is characterized in that: also comprise pressing plate, adaptor union, spring cotter and bearing pin, described measurement pulley is fixed on adapter shaft by pressing plate, described adapter shaft is connected with coder with spring cotter by adaptor union, and wire rope pulley is fixed on the bottom of bearing by bearing pin.
4. flat boom crane lifting altitude measurement mechanism according to claim 1 and 2, is characterized in that: described bearing adopts hollow, rectangular pipe, is provided with block in the middle part of the hollow, rectangular pipe of bearing.
5. flat boom crane lifting altitude measurement mechanism according to claim 1, is characterized in that: described spring is arranged in the hollow, rectangular pipe of bearing, and one end of this spring contacts with block, and the other end of spring contacts with measurement pulley assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520233340.9U CN204643616U (en) | 2015-04-17 | 2015-04-17 | Flat boom crane lifting altitude measurement mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520233340.9U CN204643616U (en) | 2015-04-17 | 2015-04-17 | Flat boom crane lifting altitude measurement mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN204643616U true CN204643616U (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520233340.9U Active CN204643616U (en) | 2015-04-17 | 2015-04-17 | Flat boom crane lifting altitude measurement mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066157A (en) * | 2016-05-24 | 2016-11-02 | 扬州市东宇环保设备有限公司 | A kind of crane height detection alarm method |
| CN113979309A (en) * | 2021-11-12 | 2022-01-28 | 大连华锐重工集团股份有限公司 | Real-time lifting height detection device for floating crane |
-
2015
- 2015-04-17 CN CN201520233340.9U patent/CN204643616U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066157A (en) * | 2016-05-24 | 2016-11-02 | 扬州市东宇环保设备有限公司 | A kind of crane height detection alarm method |
| CN113979309A (en) * | 2021-11-12 | 2022-01-28 | 大连华锐重工集团股份有限公司 | Real-time lifting height detection device for floating crane |
| CN113979309B (en) * | 2021-11-12 | 2024-02-23 | 大连华锐重工集团股份有限公司 | Lifting height real-time detection device for floating crane |
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