CN103523669B - The method of crane and measuring and calculating suspension arm of crane height - Google Patents
The method of crane and measuring and calculating suspension arm of crane height Download PDFInfo
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- CN103523669B CN103523669B CN201310464399.4A CN201310464399A CN103523669B CN 103523669 B CN103523669 B CN 103523669B CN 201310464399 A CN201310464399 A CN 201310464399A CN 103523669 B CN103523669 B CN 103523669B
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Abstract
The present invention relates to a kind of crane, minor details arm is provided with tape measure, described tape measure is provided with tape outlet, be wound with tape in tape measure, tape initiating terminal is provided with link, described link is connected to the first arm end sides; Described crane is also provided with the bevel protractor for measuring boom angle.Described bevel protractor can be arranged on minor details arm, and it comprises with the angle scale of angular centre point, plumb bob vertical and vertical, and described angle scale is provided with angle index; Described bevel protractor also can be arranged on the position near minor details arm on arm base, and it comprises the graduated angle scale of band, minor details arm is provided with the angle line of arm axis being parallel.The invention still further relates to a kind of method utilizing tape measure and bevel protractor measuring and calculating suspension arm of crane height.Adopt crane of the present invention or method, the height that can read the spread length of arm and lifting angle and then calculate residing for arm vertex, can avoiding obstacles in operation process, increase safety.
Description
Technical field
The present invention relates to a kind of crane, particularly a kind of crane that conveniently can calculate actual height residing for arm vertex; The invention still further relates to a kind of method calculating suspension arm of crane height.
Background technology
Lifting operation refers to and utilizes large-scale crane to be sling by the weight such as machinery, building materials, then transfers to the position of needs, completes and installs or process in place.During traditional lifting operation, need present staff by observing the current location of arm and weight, and instant commander crane operator realize arm and weight dodging peripheral obstacle.Adopt this mode of operation, ground staff is difficult to make accurate judgement to arm actual height, lifting operation such as under high-tension cable, according to industry standard, need the distance allowing arm away from high-tension cable more than 2 meters, and after arm reaches eminence, ground staff cannot to accurately judging now whether arm is in the safety distance of cable, once enter safety distance, likely cause the serious consequence of electric shock.
Summary of the invention
First technical matters to be solved by this invention is: provide a kind of crane, can calculate the current residing actual height of arm easily.
Second technical matters to be solved by this invention is: provide a kind of method calculating suspension arm of crane height, can calculate the current residing actual height of arm easily.
The technical solution adopted for the present invention to solve the technical problems is:
Crane, comprise and be arranged on minor details arm on arm base and be positioned at suspension arm of crane the first arm foremost, described minor details arm is provided with tape measure, the tape that described tape measure comprises outside tape measure shell and is wrapped in tape measure shell, described tape measure shell is provided with tape outlet, described tape measure shell is fixedly mounted on minor details arm, and tape initiating terminal is provided with link, and described link is connected to the side of the first its outermost end; The bevel protractor for measuring boom angle is also provided with in the angle of described minor details arm and arm base.
Further, described bevel protractor is arranged on minor details arm, it comprises with the angle scale of angular centre point, plumb bob vertical and vertical, described angle scale is provided with angle index, angle scale is fixedly installed on minor details arm by angular centre point, one end of described plumb bob vertical is connected on angular centre point, and the other end is connected with vertical.
Further, described angle scale is provided with angle zero point, the line between described angle zero point and angular centre point and the axis being parallel of the first arm.
Further, described angle scale place plane is parallel with plumb bob vertical.
Further, described bevel protractor is arranged on arm base, and it comprises the graduated angle scale of band, and the angular centre point of described angle scale is arranged on the position of minor details arm and arm base point of connection; Described minor details arm is provided with the angle line with arm axis being parallel.
Further, described angle scale is provided with angle zero point, described angle zero point and angular centre point are on same level line, and are in the side near arm hydraulic stem on angle scale 32; Described angle scale place plane is parallel with angle line.
Further, the line between described tape outlet and link and the axis being parallel of the first arm.
The method of measuring and calculating suspension arm of crane height, comprises the following steps:
A, on the minor details arm of crane, tape measure is installed, the tape that described tape measure comprises outside tape measure shell and is wrapped in tape measure shell, described tape measure shell is provided with tape outlet, described tape measure shell is fixedly mounted on minor details arm, tape 22 initiating terminal is provided with link, described link is connected to the side of the first its outermost end; And in the angle of minor details arm and arm base, the bevel protractor for measuring boom angle is installed;
The step of B, reading data: the height h measuring the attachment point of minor details arm on arm base in advance, and this attachment point and tape export between distance a, start crane operation, arm extends and the certain angle that tilts, tape is drawn out, the scale reading tape obtains b, and reading angular chi obtains angle-data;
C, utilize the step of formulae discovery arm height: the various data obtained in step B are substituted into the height that mathematical formulaes calculate now arm highest point.
Further, in described steps A, the bevel protractor installed comprises with the angle scale of angular centre point, plumb bob vertical and vertical, described angle scale is provided with angle index, angle scale is fixedly installed on minor details arm by angular centre point, one end of described plumb bob vertical is connected on angular centre point, and the other end is connected with vertical; In described step B, it is the scale indicated on angle scale by reading plumb bob vertical that reading angular chi obtains angle-data, then deducts arm axis scale corresponding on angle scale, obtains angle β between plumb bob vertical 34 and arm; In described step C, be the data obtained in step B are substituted into utilize formula (a+b) cos β+h to calculate actual height residing for arm vertex.
Further, in described steps A, be arranged on by bevel protractor on arm base, it comprises the graduated angle scale of band, the angular centre of described angle scale point is arranged on the position of minor details arm and arm base point of connection; Described minor details arm is provided with the angle line with arm axis being parallel; In described step B, it is the angle indicated on angle scale by reading angular line that reading angular chi obtains angle-data, then deducts through the horizon of angular centre point scale corresponding on angle scale, obtains the angle η between arm and horizon; In described step C, be the data obtained in step B are substituted into utilize formula (a+b) sin η+h to calculate actual height residing for arm vertex.
The invention has the beneficial effects as follows: adopt crane of the present invention, the height residing for arm vertex can be calculated easily, can avoiding obstacles in operation process, increase safety; Adopt the method for measuring and calculating suspension arm of crane height of the present invention, the current residing actual height of arm can be calculated easily, can avoiding obstacles in operation process, increase safety.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of embodiment of crane of the present invention;
Fig. 2 is the enlarged diagram of bevel protractor in Fig. 1;
Fig. 3 is the enlarged diagram of tape measure in Fig. 1;
Fig. 4 is the schematic diagram of the another kind of embodiment of crane of the present invention;
In figure, Reference numeral is: the outlet of 1-minor details arm, 11-angle line, 2-tape measure, 22-tape, 23-link, 25-tape, 3-bevel protractor, 31-angular centre point, 32-angle scale, 33-vertical, 34-plumb bob vertical, 35-angle zero point, 4-first arm, 5-arm hydraulic stem.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described: as shown in Figure 1, Figure 2, Figure 3 and Figure 4:
Crane, comprise and be arranged on minor details arm on arm base 10 1 and be positioned at suspension arm of crane the first arm 4 foremost, described minor details arm 1 is provided with tape measure 2, the tape 22 that described tape measure 2 comprises outside tape measure shell and is wrapped in tape measure shell, described tape measure shell is provided with tape outlet 25, described tape measure shell is fixedly mounted on minor details arm 1, and tape 22 initiating terminal is provided with link 23, and described link 23 is connected to the side of the first arm 4 outermost end; The bevel protractor 3 for measuring boom angle is also provided with in described minor details arm 1 and the angle of arm base 10.
As a kind of basic embodiment, the minor details arm 1 of crane installs tape measure 2, the tape 22 that described tape measure 2 comprises outside tape measure shell and is wrapped in tape measure shell, the link 23 of tape 22 initiating terminal is connected to the side of crane first arm 4 outermost end.When crane stretches out, tape 22, from tape outlet 25 pull-out tape measure shell, can learn by the scale reading tape 22 distance that arm stretches out.The tape measure 2 that described minor details arm 1 is installed, preferably there is the tape measure of tape automatic retraction function, namely torsion spring or other elastomeric elements are equipped with in tape measure inside, after tape is drawn out, the elasticity of elastomeric element can allow tape keep exceptionally straight state, or when arm is retracted, tape can in automatic retraction tape measure shell.If have employed common tape measure, then need the backrush of manual operation tape measure, not too convenient during operation at the scene.
Also be provided with the bevel protractor 3 for measuring boom angle in described minor details arm 1 and the angle of arm base 10, the effect of bevel protractor 3 is to measure arm angle now.
Its embodiment can be: as depicted in figs. 1 and 2, described bevel protractor 3 is arranged on minor details arm 1, it comprises with the angle scale 32 of angular centre point 31, plumb bob vertical 34 and vertical 33, described angle scale 32 is provided with angle index, angle scale 32 is fixedly installed on minor details arm 1 by angular centre point 31, one end of described plumb bob vertical 34 is connected on angular centre point 31, and the other end is connected with vertical 33.
Angular centre point 31 described here refers to the center of circle point of the angle index that angle scale 32 is arranged.Described angle scale 32 is fixed on the minor details arm 1 of crane, vertical 33 and plumb bob vertical 34 are under the influence of gravity, all the time state straight down can be kept, therefore plumb bob vertical 34 is just equivalent to pointer on angle scale 32, plumb bob vertical 34 is a corresponding angle index on angle scale 32, deduct arm axis scale corresponding on angle scale 32 with this scale, the angle β between arm and plumb bob vertical 34 can be obtained.During actual production, measure the height h of the attachment point of minor details arm 1 on arm base 10 in advance, and this attachment point and tape export the distance a between 25, after arm stretches out to a certain angle, tape 22 is drawn out, by reading tape 22 scale now, can length b be obtained, then obtain angle β by plumb bob vertical 34 reading.Utilize mathematical formulae (a+b) cos β+h can calculate actual height now residing for arm vertex.
Above-mentioned embodiment, described angle scale 32 is provided with angle index, the position of the angle 0. 35 in scale can be selected arbitrarily, as long as can read or calculate angle β, such as the scale of arm axis instruction is 10 °, and the scale that plumb bob vertical 34 indicates is 50 °, °-10 °=40 °, β=50 can be calculated.In order to angle calculation is convenient, preferably, can be described angle scale 32 is provided with angle 0. 35, the axis being parallel of the line between described angle 0. 35 and angular centre point 31 and the first arm 4.Adopt this embodiment, angle-data is read in survey can be intuitively convenient, the angle β that namely scale that plumb bob vertical 34 indicates is.
In above-mentioned embodiment, the position of described angle scale 32 place plane can be arranged arbitrarily, as long as plumb bob vertical 34 can be utilized to indicate angle, preferably, can be that described angle scale 32 place plane is parallel with plumb bob vertical 34.Adopt this optimal way, when vertical 33 vertically loosens, plumb bob vertical 34 meeting and angle scale 32 keeping parallelism state, be conducive to angle-data and read accuracy, reduce error.
Bevel protractor 3 on crane also can adopt following embodiment: as shown in Figure 4, described bevel protractor 3 is arranged on arm base 10, it comprises the graduated angle scale 32 of band, and the angular centre point 31 of described angle scale 32 is arranged on the position of minor details arm 1 and arm base 10 point of connection; Described minor details arm 1 is provided with the angle line 11 with arm axis being parallel.
When adopting this embodiment, arm base 10 arranges angle scale 32, the angular centre point 31 of angle scale 32 will be arranged on minor details arm 1 and crane point of connection place, after arm is inclined upwardly certain angle, the angle line 11 that arm is arranged can indicate an angle index, deduct through the scale corresponding to the horizon of angular centre point 31 with this scale, namely obtain the angle η between arm and horizon.During actual production, the principle identical with a upper embodiment, utilizes mathematical formulae (a+b) sin η+h can calculate actual height now residing for arm vertex.And angle scale 32 is arranged on arm base 10, when arm horizontally rotates together with arm base 10, angle scale 32 can be followed and rotate together, can not collide with arm.In addition in present embodiment, fluting can be set the scale mark position on angle scale 32, the angle line 11 on minor details arm 1 can be seen through fluting, to facilitate reading data.
Identical with the setting principle of graduation position in angle scale 32 first embodiments, as long as angle scale 32 high scale can arrange arbitrarily and can read or calculate angle η in the present embodiment; Angle scale 32 place plane can be arranged arbitrarily, as long as angle line 11 can be utilized to indicate angle.Preferably, Ke Yishi, described angle scale 32 is provided with angle 0. 35, and described angle 0. 35 is on same level line with angular centre point 31, and is in the side near arm hydraulic stem 5 on angle scale 32; Described angle scale 32 place plane is parallel with angle line 11.
Such benefit is, surveying can be intuitively convenient when reading angle-data, arm hydraulic stem 5 promote arm be inclined upwardly certain angle time, namely the scale that angle line 11 indicates is angle η; And angle line 11 is parallel with angle scale 32, is conducive to angle-data and reads accuracy, reduce error.
In embodiments all above, the optional position that tape outlet 25 can be arranged on minor details arm 1 side, if but, the line between tape outlet 25 and link 23 and the first arm 4 not parallel, just there will be tape 22 arm circumference and there is certain winding, affect digital independent accuracy rate.So preferred, the line between described tape outlet 25 and link 23 and the axis being parallel of the first arm 4 can be designed to, to make on tape 22 scale of display can the accurate response arm distance of stretching out, there will not be tape 22 to be wound error along arm circumference.
During actual production, suppose lifting scene to be had its antenna height of high-tension cable in vain at L, safety distance is M, then construct below the height that arm vertex should be limited in L-M; By aforesaid method, instant computing goes out the actual height residing for arm vertex, and allows arm height remain under the height of L-M, and then realizes safe operation.
The method of measuring and calculating suspension arm of crane height, comprises the following steps:
A, on the minor details arm 1 of crane, tape measure 2 is installed, the tape 22 that described tape measure 2 comprises outside tape measure shell and is wrapped in tape measure shell, described tape measure shell is provided with tape outlet 25, described tape measure shell is fixedly mounted on minor details arm 1, tape 22 initiating terminal is provided with link 23, described link 23 is connected to the side of the first arm 4 outermost end; And at minor details arm 1 and the angle of arm base 10, the bevel protractor 3 for measuring boom angle is installed;
The step of B, reading data: the height h measuring the attachment point of minor details arm 1 on arm base 10 in advance, and this attachment point and tape export the distance a between 25, start crane operation, arm extends and the certain angle that tilts, tape 22 is drawn out, the scale reading tape 22 obtains b, and reading angular chi 3 obtains angle-data;
C, utilize the step of formulae discovery arm height: the various data obtained in step B are substituted into the height that mathematical formulaes calculate now arm highest point.
The method of measuring and calculating suspension arm of crane height of the present invention, the first step is on the minor details arm 1 of crane, to install the distance that tape measure 2 stretches out for measuring arm, and the structure of described tape measure 2 is identical with principle with tape measure 2 structure introduced in the crane of this law above with installation method; And at the angle setting angle chi 3 of minor details arm 1 and arm base 10 for measuring the angle of arm; Second step is the height h measuring the attachment point of minor details arm 1 on arm base 10, and this attachment point and tape export the distance a between 25, then start crane operation, and read corresponding data respectively with tape measure 2 and bevel protractor 3; 3rd step is the height calculating now arm highest point with mathematical formulae.
Concrete, different according to the structure of bevel protractor 3, the method for measuring and calculating suspension arm of crane height of the present invention can be adopt following concrete steps:
In described steps A, the bevel protractor 3 installed comprises with the angle scale 32 of angular centre point 31, plumb bob vertical 34 and vertical 33, described angle scale 32 is provided with angle index, angle scale 32 is fixedly installed on minor details arm 1 by angular centre point 31, one end of described plumb bob vertical 34 is connected on angular centre point 31, and the other end is connected with vertical 33; In described step B, it is the scale indicated on angle scale 32 by reading plumb bob vertical 34 that reading angular chi 3 obtains angle-data, then deducts arm axis scale corresponding on angle scale 32, obtains angle β between plumb bob vertical 34 and arm; In described step C, be the data obtained in step B are substituted into utilize formula (a+b) cos β+h to calculate actual height residing for arm vertex.
This method is applicable to Fig. 1 and suspension arm of crane height embodiment illustrated in fig. 2 measuring and calculating, be arranged on minor details arm 1 by angle scale 32, plumb bob vertical 34 and vertical 33 remain straight down under the influence of gravity, and a scale is indicated on angle scale 32, this scale is deducted scale corresponding to arm axis, angle β between plumb bob vertical 34 and arm can be obtained, utilize the actual height residing for (a+b) cos β+h calculating arm vertex.
The method of measuring and calculating suspension arm of crane height of the present invention also can be adopt following concrete steps:
In described steps A, be arranged on arm base 10 by bevel protractor 3, it comprises the graduated angle scale 32 of band, the angular centre point 31 of described angle scale 32 is arranged on the position of minor details arm 1 and arm base 10 point of connection; Described minor details arm 1 is provided with the angle line 11 with arm axis being parallel; In described step B, it is the angle indicated on angle scale 32 by reading angular line 11 that reading angular chi 3 obtains angle-data, then deducts through the horizon of angular centre point 31 scale corresponding on angle scale 32, obtains the angle η between arm and horizon; In described step C, be the data obtained in step B are substituted into utilize formula (a+b) sin η+h to calculate actual height residing for arm vertex.
This method is applicable to suspension arm of crane height measuring and calculating embodiment illustrated in fig. 4, be arranged on the arm base 10 on crane by angle scale 32, a scale on the angle line 11 meeting indicated angle scale 32 that minor details arm 1 is arranged, this scale is deducted through the scale corresponding to the horizon of angular centre point 31, the angle η between arm and horizon can be obtained, utilize the actual height residing for formula (a+b) sin η+h calculating arm vertex.
Claims (5)
1. crane, comprise the minor details arm (1) that is arranged on arm base (10) and be positioned at suspension arm of crane the first arm (4) foremost, it is characterized in that, described minor details arm (1) is provided with tape measure (2), the tape (22) that described tape measure (2) comprises outside tape measure shell and is wrapped in tape measure shell, described tape measure shell is provided with tape outlet (25), described tape measure shell is fixedly mounted on minor details arm (1), tape (22) initiating terminal is provided with link (23), described link (23) is connected to the side of the first arm (4) outermost end, the bevel protractor (3) for measuring boom angle is also provided with described minor details arm (1) and the angle of arm base (10), described bevel protractor (3) is arranged on minor details arm (1), it comprises with the angle scale (32) of angular centre point (31), plumb bob vertical (34) and vertical (33), (32) are provided with angle index to described angle scale, angle scale (32) is fixedly installed on minor details arm (1) by angular centre point (31), one end of described plumb bob vertical (34) is connected on angular centre point (31), and the other end is connected with vertical (33).
2. crane as claimed in claim 1, it is characterized in that, described angle scale (32) is provided with angle zero point (35), the line between described angle zero point (35) and angular centre point (31) and the axis being parallel of the first arm (4).
3. crane as claimed in claim 1, it is characterized in that, described angle scale (32) place plane is parallel with plumb bob vertical (34).
4. as the crane in claims 1 to 3 as described in any one claim, it is characterized in that, the line between described tape outlet (25) and link (23) and the axis being parallel of the first arm (4).
5. calculate the method for suspension arm of crane height, comprise the following steps:
A, on the minor details arm (1) of crane, tape measure (2) is installed, the tape (22) that described tape measure (2) comprises outside tape measure shell and is wrapped in tape measure shell, described tape measure shell is provided with tape outlet (25), described tape measure shell is fixedly mounted on minor details arm (1), tape (22) initiating terminal is provided with link (23), described link (23) is connected to the side of the first arm (4) outermost end; And at minor details arm (1) and the angle of arm base (10), the bevel protractor (3) for measuring boom angle is installed;
B, measure the height h of the attachment point of minor details arm (1) on arm base (10) in advance, and this attachment point and tape export the distance a between (25), start crane operation, arm extends and the certain angle that tilts, tape (22) is drawn out, the scale reading tape (22) obtains b, and reading angular chi (3) obtains angle-data;
C, the various data obtained in step B are substituted into the height that mathematical formulaes calculate now arm highest point;
In described steps A, the bevel protractor (3) installed comprises with the angle scale (32) of angular centre point (31), plumb bob vertical (34) and vertical (33), (32) are provided with angle index to described angle scale, angle scale (32) is fixedly installed on minor details arm (1) by angular centre point (31), one end of described plumb bob vertical (34) is connected on angular centre point (31), and the other end is connected with vertical (33); In described step B, it is by reading the scale of plumb bob vertical (34) in the upper instruction of angle scale (32) that reading angular chi (3) obtains angle-data, deduct arm axis again at the upper corresponding scale of angle scale (32), obtain angle β between plumb bob vertical 34 and arm; In described step C, be the data obtained in step B are substituted into utilize formula (a+b) cos β+h to calculate actual height residing for arm vertex.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310464399.4A CN103523669B (en) | 2013-10-08 | 2013-10-08 | The method of crane and measuring and calculating suspension arm of crane height |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310464399.4A CN103523669B (en) | 2013-10-08 | 2013-10-08 | The method of crane and measuring and calculating suspension arm of crane height |
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| CN103523669A CN103523669A (en) | 2014-01-22 |
| CN103523669B true CN103523669B (en) | 2015-09-16 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108016995A (en) * | 2016-10-31 | 2018-05-11 | 摩巴（大连）自动控制系统有限公司 | Hoisting arm structure and its traverse measuring device and amount of movement measuring method |
| CN108680088B (en) * | 2018-08-21 | 2019-12-17 | 佛山市程显科技有限公司 | Plane magnetic element end face parallelism gauge |
| CN110850454A (en) * | 2019-11-20 | 2020-02-28 | 国网北京市电力公司 | Monitoring system and method for crane working on power transmission and transformation project site |
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| CN2327985Y (en) * | 1998-03-23 | 1999-07-07 | 陈唯兵 | Multifunctional steel tape |
| CA2415605A1 (en) * | 2003-01-06 | 2004-07-06 | The Load & A-2-B Company Inc. | Apparatus for measuring an extended length of a multi-section telescopic boom |
| CN102464270A (en) * | 2010-11-11 | 2012-05-23 | 徐州重型机械有限公司 | Overturning-preventing torque limiter and movable crane |
| CN202643124U (en) * | 2012-04-25 | 2013-01-02 | 徐工集团工程机械股份有限公司 | Angle indicating board and angle indicating device for crane |
| CN203474312U (en) * | 2013-10-08 | 2014-03-12 | 中国十九冶集团有限公司 | Crane |
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- 2013-10-08 CN CN201310464399.4A patent/CN103523669B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2327985Y (en) * | 1998-03-23 | 1999-07-07 | 陈唯兵 | Multifunctional steel tape |
| CA2415605A1 (en) * | 2003-01-06 | 2004-07-06 | The Load & A-2-B Company Inc. | Apparatus for measuring an extended length of a multi-section telescopic boom |
| CN102464270A (en) * | 2010-11-11 | 2012-05-23 | 徐州重型机械有限公司 | Overturning-preventing torque limiter and movable crane |
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