CN202599412U - Center measurement device for section of rotary kiln barrel body - Google Patents
Center measurement device for section of rotary kiln barrel body Download PDFInfo
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- CN202599412U CN202599412U CN 201220083267 CN201220083267U CN202599412U CN 202599412 U CN202599412 U CN 202599412U CN 201220083267 CN201220083267 CN 201220083267 CN 201220083267 U CN201220083267 U CN 201220083267U CN 202599412 U CN202599412 U CN 202599412U
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- rotary kiln
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Abstract
The utility model discloses a center measurement device for a section of a rotary kiln barrel body. The center measurement device comprises measurement marks arranged on two inner supporting devices of the section; the measurement marks are flat plates; through holes are formed in the centers of the inner supporting devices; when the center measurement device is switched off, the measurement marks completely cover the through holes; coordinates are arranged on the measurement marks and can be used for marking coordinates of a center point on the end face of the section. By the technical scheme, the assembly efficiency of a rotary kiln can be improved; and under the matching of a laser emission device, the precision of the center line of a barrel section is improved.
Description
Technical field
The utility model relates to rotary kiln, particularly relates to a kind of center measurement mechanism that makes things convenient for the Duan Jie of the cylinder of rotary kiln of adjusting cylinder of rotary kiln center line collimation.
Background technology
Rotary kiln is the key equipment in the production technology of industries such as aluminium oxide, cement.
Rotary kiln the highest flame temperature in the production run process can reach more than 1600 ℃, and material is burnt till grog through a series of physical changes such as oven dry, preheating, decomposition, sintering and chemical change in rotary kiln.
Because rotary kiln is a long-term equipment that at high temperature turns round continuously, therefore, this work characteristics of rotary kiln has proposed very strict requirement to its installation, and the installation quality of rotary kiln will directly influence its mission life.
Rotary kiln is welded by a plurality of sections joints, and the entire length of rotary kiln is generally tens meters, and the entire length of large-sized rotary kiln can reach 100 meters.In the rotary kiln installation process, adjustment of cylinder of rotary kiln center line collimation and support roller position correction are two very critical step.If the adjustment of one of two steps is improper; Then can produce the phenomenon that rolling ring and support roller come to nothing; Thereby make the kiln body produce judder, and then can cause phenomenons such as equipment damage, weld cracking and refractory brick loose or dislocation, serious even can cause consequence such as foundation failure property vibration.
At present, adopt combination method to measure cylinder of rotary kiln center line and support roller position correction usually.Combination method is that transit and thread-ligating therapy combine; A concrete example; Inside and outside cylindrical shell, draw wire rope (like 3 wire rope, wherein steel cable is used to proofread and correct the center of each Duan Jie) respectively, utilize wire rope to combine transit to measure the center line and the support roller position correction of cylinder of rotary kiln.
The inventor finds that in realizing the utility model process it is not high that existing combination method not only exists collimation to measure precision, and deviation is bigger, is difficult to guarantee problems such as designing requirement; And the rotary kiln installment work is complicated, wastes time and energy.
Because above-mentioned existing rotary kiln is installed the problem that exists; The inventor is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge; Cooperate the utilization of scientific principle, actively study innovation, in the hope of the center measurement mechanism of the Duan Jie that founds a kind of new cylinder of rotary kiln; To make things convenient for the installation of rotary kiln, make it have more practicality.Through continuous research and design, and, found out the utility model of true tool practical value finally through after studying sample and improvement repeatedly.
The utility model content
The purpose of the utility model is, overcomes existing rotary kiln the problem that exists is installed, and the center measurement mechanism of a kind of Duan Jie of new cylinder of rotary kiln is provided, and technical matters to be solved is conveniently to realize the installation of rotary kiln.
The purpose of the utility model and solve its technical matters and can adopt following technical scheme to realize.
The center measurement mechanism of the Duan Jie of the cylinder of rotary kiln that proposes according to the utility model; Comprise: be arranged at the mark on the inner supporting device of said section joint; And Duan Jie is provided with two inner supporting devices; Said mark is a flat board, and the center of said inner supporting device is provided with through hole, and said mark covers said through hole fully when closing; Be respectively arranged with the coordinate of the end face central point that is used to identify Duan Jie on the said mark.
The purpose of the utility model and solve its technical matters and can also adopt following technical measures to come further to realize.
Preferable, the center measurement mechanism of the Duan Jie of aforesaid cylinder of rotary kiln, wherein said mark is hinged through hinge and said inner supporting device.
Preferable, the center measurement mechanism of the Duan Jie of aforesaid cylinder of rotary kiln, two marks on one of them section joint all are arranged on inner supporting device same towards face on.
Preferable, the center measurement mechanism of the Duan Jie of aforesaid cylinder of rotary kiln, the coordinate that wherein is provided with on this mark is: be attached to the survey target on the said mark, said survey target comprises: coordinate paper.
By technique scheme; The center measurement mechanism of the Duan Jie of the cylinder of rotary kiln of the utility model has advantage and beneficial effect at least: but the utility model is through being provided with the mark of a switch respectively on two inner supporting devices of a section joint; And coordinate is set on mark; Like this; Can on coordinate, identify the central point of the both ends of the surface of a section joint easily, and utilize this mark can under the cooperation of laser beam emitting device, conveniently calibrate the actual center line of each Duan Jie of rotary kiln shell ring, make things convenient for the accurate installation of rotary kiln; Thereby the utility model can improve the installation effectiveness of rotary kiln, and can under the cooperation of laser beam emitting device, improve the precision of shell ring center line, is very suitable for practicality.
In sum, the utility model has obvious improvement technically, and has significantly positive technique effect, becomes the new design of a novelty, progress, practicality.
Above-mentioned explanation only is the general introduction of the utility model technical scheme; For technological means that can clearer understanding the utility model; And can implement according to the content of instructions, and in order to let the above-mentioned of the utility model and other purposes, characteristic and the advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is the mark synoptic diagram of the utility model;
Fig. 2 be the mark of the utility model in the installation site of Duan Jiezhong synoptic diagram;
Fig. 3 is the survey target synoptic diagram of the utility model;
Fig. 4 is 4 centering method synoptic diagram of the utility model;
Fig. 5 sets up laser-based directrix synoptic diagram for the utility model;
Fig. 6 is another synoptic diagram of setting up the laser-based directrix of the utility model;
Fig. 7 is the not collimation of the utility model line synoptic diagram of writing music.
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined utility model purpose is taked; Below in conjunction with accompanying drawing and preferred embodiment; To its embodiment of center measurement mechanism, structure, characteristic and the effect thereof of the Duan Jie of the cylinder of rotary kiln that proposes according to the utility model, specify as after.
The two ends of the Duan Jie of cylinder of rotary kiln are provided with inner supporting device usually, and the center of inner supporting device is provided with a through hole; But be provided with the movable mark of a switch on each inner supporting device of a section joint, and this mark can cover the through hole of its place inner supporting device fully when closing.The mark of the utility model is provided with coordinate, and this coordinate is used to identify the end face central point of Duan Jie.
Concrete, the mark that is installed on the inner supporting device of Duan Jie can be 100 * 100mm, and the thick square iron sheet of 1.5mm.Can be provided with coordinate on this mark, as directly being drawn in mark one lip-deep coordinate.Can indicate the end face central point on the coordinate of mark; And should flat board should be movable with respect to inner supporting device; Hinged like mark and inner supporting device; Rotate thereby make mark can carry out hinge-type, through being utilized in modes such as chute is set on the inner supporting device, move for another example and make mark can carry out rectilinearly-moved slide type.No matter what kind of manner mark specifically adopts, and this mark should be able to cover the central through hole of its place inner supporting device fully when closing, and when opening, can expose the central through hole of its place inner supporting device fully.If the inner supporting device of existing section joint does not have central through hole; Then the utility model can be offered central through hole on inner supporting device; The effect of this central through hole is to make the laser beam of laser beam emitting device to pass through; This through hole can be circular, square or triangle etc., if this through hole be circle then its diameter can be for 40 to 60mm.In addition, the mark that is provided with on two inner supporting devices during a section saves preferably is provided with in the same way.A concrete example, two marks of section joint all be arranged on inner supporting device on the one side of laser beam emitting device.
A concrete example of mark is shown in accompanying drawing 1 and accompanying drawing 2.In Fig. 1 and Fig. 2, on the middle part disk 4 of square mark 3 through the inner supporting device of hinge 2 sections of being installed in joint 5, and hinge 2 can be welded on the disk 4 of middle part, thus mark become can free switch valve (window of perhaps living); Middle part disk 4 is fixedly connected with the support 1 of inner supporting device, and two marks 3 all the section of being arranged on save the left side (in this example, the setting laser emitter is arranged on the left side of cylinder of rotary kiln) of 5 inner supporting device.Above-mentioned support 1 also can be called mark support 1.
The utility model can be provided with the survey target on mark, this survey target can be specially: be attached to the parts that have coordinate on the mark.The simple target of surveying can be coordinate paper.Survey target and can be used to identify the end face central point, can also be used to identify the particular location of laser beam irradiation on end face.An object lesson surveying target is shown in accompanying drawing 3.Survey target among Fig. 3 is square coordinate paper, and the black box of surveying on the target is end face central point place grid square, and the black round dot is the particular location of laser beam irradiation on end face; X axle and Y axle are transverse axis and vertical axes through the end face central point.
Below in conjunction with accompanying drawing 4-7 the application of center measurement mechanism in the rotary kiln installation process of the Duan Jie of the cylinder of rotary kiln of the utility model is elaborated.
Concrete, set cylinder of rotary kiln and assemble by n section joint, then n total 2n end face of section joint identifies the end face central point respectively thereby the utility model should be 2n end face.The implementation that identifies the end face central point for end face has multiple, and being example with 4 centering methods in the present embodiment describes the implementation that identifies the end face central point of the utility model.
4 centering methods in the utility model are promptly: the circumference of the end face of Duan Jie is divided into quarter (strictly speaking, should be the approximate quartern), thereby can obtains four branches, like the A among Fig. 4, B, C and four branches of D.With each branch is that the center of circle is that radius is being drawn camber line (instruments such as rope as using compasses or an end to be fixed on the branch are drawn camber line on the survey target) on the survey target with the predetermined length; This predetermined length is greater than the radius of end face; And generally; Above-mentioned predetermined length is less than the diameter of end face, and preferred, this predetermined length is slightly larger than the radius (like the R ' among Fig. 4) of end face.Can obtain four camber lines that intersect in twos through the camber line of drawing on the above-mentioned survey target, like the bc camber line among Fig. 4, cd camber line, da camber line and ab camber line; Article four, the camber line that intersects in twos produces four intersection points, like a among Fig. 4, b, c and four intersection points of d; Two intersection points that will be in the diagonal angle connect in twos, produce two diagonal line, are two diagonal line like ac among Fig. 4 and bd; These two intersection of diagonal are the end face central point (strictly speaking, the end face central point of an end face should be the approximate center point of this end face) in the utility model.A concrete example, the O among Fig. 4 are the end face central point that the utility model is determined.
Concrete, the laser beam emitting device in the utility model can be selected laser transit for use, also can select the equipment of other emission laser for use.Laser beam emitting device can be arranged at a side of cylinder of rotary kiln, and the laser beam emitting device laser beam of launching should be roughly the central shaft of cylinder of rotary kiln.Laser beam emitting device can be arranged at the instrumentation chamber that is arranged in cylinder of rotary kiln one side.
What need to specify is, though be to confirm that earlier (step 1), the sequencing that sets up laser beam emitting device (step 2) again are that example describes to the end face central point in the present embodiment; But; This do not represent must first execution in step 1 (confirming the end face central point) execution in step 2 (setting up laser beam emitting device) again, in practical application, these two steps not only can be carried out simultaneously; And, also can carry out by transpose.
Concrete; A certain section joint in the cylindrical shell of rotary kiln saved as predetermined section; Adjust the relative position (like the position of adjustment laser beam emitting device and/or predetermined section joint) between laser beam emitting device and this predetermined section joint, make the central point of the both ends of the surface of predetermined section joint in the beam of laser beam emitting device emitted laser, under this state; Emitter emitted laser bundle is the laser-based directrix, promptly successfully sets up the laser-based directrix.
After the laser-based directrix is successfully set up, can the fixed laser emitter, as utilize the longitudinal centre line direction fixed laser emitter of snap head rivet at cylinder of rotary kiln, change to avoid the laser-based directrix.
Predetermined section in the utility model joint is generally the particular segment joint in the cylinder of rotary kiln, like the predetermined section joint for the Duan Jie that is provided with gearing etc.
An object lesson setting up the laser-based directrix is shown in accompanying drawing 5 and 6.
In Fig. 5-6, I, II, III, IV and O
1Be the Duan Jie of cylinder of rotary kiln, each Duan Jie is sling and arrange to assemble according to the technological angle of rotary kiln; The emission angle that laser transit 6 is set according to the technological angle of rotary kiln is a °, laser transit 6 emission of lasering beam, an adjustment laser transit 6 and a section joint O
1Relative position relation, make the just in time section of passing joint O of laser beam
1Two end face central points 8 (like the O among Fig. 5), at this moment, the laser beam that laser transit 6 is launched is a laser-based directrix 7, keeps the invariant position of laser transit 6, fixed laser transit 6.α=a among Fig. 5 and 6 ° b ' c ", promptly the acute angle angle between laser-based directrix 7 and the horizontal line is that a degree b divides c second.
The position of step 4, a plurality of sections joints of adjustment is beaten on the end face central point of each Duan Jie the laser-based directrix basically.The a plurality of sections joints here can also can be all Duan Jie for each Duan Jie except that the predetermined section joint.This step can be carried out in the cellar for storing things.
Concrete; Can adjust the position of a plurality of sections joints in a certain order successively; For example; Adjust the position of each Duan Jie according to the section pitch successively from said laser beam emitting device order from the near to the remote, so that the laser-based directrix is beaten the distance of position between directions X and Y direction of position and end face central point on each end face all in the predictive error scope.The position of adjustment Duan Jie can be specially adjusts the position of Duan Jie through adjustment Duan Jie to connecting bolt.
Give an example below a concrete adjustment process be described:
1, an adjustment section nearest apart from laser beam emitting device saves the position of (i.e. the 1st section joint).
Concrete, close the corresponding mark of the 1st end face (apart from the nearest end face of laser beam emitting device) of the 1st section joint, adjust the 1st section joint to connecting bolt, so that the laser-based directrix is beaten basically on the end face central point of the 1st end face; Open the mark on the 1st end face of the 1st section joint, and close the mark on the 2nd end face, continue the 1st section joint of adjustment to connecting bolt, so that the laser-based directrix is beaten basically on the end face central point of the 2nd end face; Afterwards, close the mark on the 1st end face, whether inspection laser-based directrix still beats basically on the end face central point of the 1st end face; If the laser-based directrix is still beaten basically on the end face central point of the 1st end face,, begin to adjust the position of the 2nd section joint then to 2; Otherwise the position of continuing the 1st section joint of adjustment is beaten on the end face central point of the 1st end face and the 2nd end face up to the laser-based directrix basically simultaneously.Basically described herein, be meant that the distance of position between directions X and Y direction that the laser-based directrix beats position and end face central point on each end face is all in the predictive error scope.
2, open the 1st end face of the 1st section joint and the mark on the 2nd end face, close the mark on the 1st end face of the 2nd section joint, adjust the 2nd section joint to connecting bolt, so that the laser-based directrix is beaten basically on the end face central point of the 1st end face; Open the mark on the 1st end face of the 1st section joint, close the mark on the 2nd end face, continue the 2nd section joint of adjustment to connecting bolt, so that the laser-based directrix is beaten basically on the end face central point of the 2nd end face; Afterwards, whether the detection laser datum line is still beaten basically on the end face central point of the 1st end face of the 1st end face of the 1st section joint and the 2nd end face and the 2nd section joint; If, begin to adjust the position of the 3rd section joint and other section joint then to 3; Otherwise the position of continuing the 1st section joint of adjustment and the 2nd section joint is beaten on the end face central point at the 1st end face of the 1st end face of the 1st section joint and the 2nd end face and the 2nd section joint up to the laser-based directrix basically simultaneously.
3, adjust the position of the 3rd section joint and follow-up each Duan Jie according to above-mentioned 2 mode, finish up to the adjustment of the position of all Duan Jie.
The position of all Duan Jie all adjust finish after; Should check, for example, earlier each Duan Jie rotated predetermined angular (like 180 degree) in the same way; Afterwards; Whether inspection laser-based directrix beats the end face central point at each end face basically, if the result of inspection is that the laser-based directrix is beaten basically on the end face central point of each end face, then again each Duan Jie is rotated predetermined angular (like 90 degree) in the same way and also continues to detect; Otherwise, readjust the position of one or more section joint, so that cylindrical shell is still beaten on the end face central point at each end face in laser-based directrix after the rotation basically.In a compound nucleus process, can make cylindrical shell rotation 3 times or 4 numbers or more times.
After checking, can produce error of centralization table and the collimation line of writing music not.Collimation is not write music a concrete example of line chart shown in accompanying drawing 7 (a) and Fig. 7 (b).Fig. 7 (a) shows the laser-based directrix and beats position and the corresponding deviation of end face central point on X-direction at 10 end faces of 5 section joints.Fig. 7 (b) shows the laser-based directrix and beats position and the corresponding deviation of end face central point on Y direction at 10 end faces of 5 section joints.
Concrete, each Duan Jie of position welding according to each Duan Jie that adjusts forms cylinder of rotary kiln.
In the utility model, should guarantee that the proper alignment of rolling ring, gear ring and cylindrical shell meets the requirements, should guarantee that support roller contacts with rolling ring well; And should be benchmark adjustment pinion wheel with the bull gear; Make tooth top and backlash cold conditions meet the requirements (i.e. engagement is good, running steadily, and noise is low).In addition; Laser beam receives environment (like near magnetic field or vibration etc.) influence that phenomenons such as skew out-focus can take place, and the cylindrical shell single face receives the strong illumination can be because of being heated irregular bending, and these external causes all will directly have influence on the accuracy that the cylindrical shell center line is adjusted; Therefore; Should get rid of external cause as much as possible and disturb, like restriction or stop near the vibration the laser, migration vibration source; The equipment that for another example, electric welding machine, transformer etc. can be generated an electromagnetic field is away from laser; For another example,, be preferably arranged in before at 10 o'clock in the morning or after at 5 o'clock in afternoon and carry out mensuration work, avoid the strong interference of sunlight working if between May to October, construct.
The above only is the preferred embodiment of the utility model; Be not that the utility model is done any pro forma restriction; Though the utility model discloses as above with preferred embodiment; Yet be not in order to limit the utility model; Any professional and technical personnel of being familiar with makes a little change or is modified to the equivalent embodiment of equivalent variations when the technology contents of above-mentioned announcement capable of using in not breaking away from the utility model technical scheme scope, is the content that does not break away from the utility model technical scheme in every case;, all still belong in the scope of the utility model technical scheme any simple modification, equivalent variations and modification that above embodiment did according to the technical spirit of the utility model.
Claims (4)
1. the center measurement mechanism of the Duan Jie of a cylinder of rotary kiln is characterized in that, comprising:
Be arranged at the mark on the inner supporting device of said section joint, and said section joint be provided with two inner supporting devices, said mark is a flat board, and the center of said inner supporting device is provided with through hole, and said mark covers said through hole fully when closing;
Be respectively arranged with the coordinate of the end face central point that is used to identify Duan Jie on the said mark.
2. the center measurement mechanism of the Duan Jie of cylinder of rotary kiln according to claim 1 is characterized in that, said mark is hinged through hinge and said inner supporting device.
3. the center measurement mechanism of the Duan Jie of cylinder of rotary kiln according to claim 1 and 2 is characterized in that, two marks on section joint all are arranged on inner supporting device same towards face on.
4. the center measurement mechanism of the Duan Jie of cylinder of rotary kiln according to claim 1 and 2 is characterized in that, the coordinate that is provided with on the said mark is: be attached to the survey target on the said mark, said survey target comprises: coordinate paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220083267 CN202599412U (en) | 2012-03-07 | 2012-03-07 | Center measurement device for section of rotary kiln barrel body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220083267 CN202599412U (en) | 2012-03-07 | 2012-03-07 | Center measurement device for section of rotary kiln barrel body |
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| Publication Number | Publication Date |
|---|---|
| CN202599412U true CN202599412U (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220083267 Expired - Lifetime CN202599412U (en) | 2012-03-07 | 2012-03-07 | Center measurement device for section of rotary kiln barrel body |
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| CN (1) | CN202599412U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121870A (en) * | 2013-04-24 | 2014-10-29 | 中国二十冶集团有限公司 | Measurement method for rotary kiln cylinder coaxiality |
| CN106052625B (en) * | 2016-08-22 | 2018-11-30 | 中国十九冶集团有限公司南京分公司 | The method for measuring cylinder concentricity |
-
2012
- 2012-03-07 CN CN 201220083267 patent/CN202599412U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104121870A (en) * | 2013-04-24 | 2014-10-29 | 中国二十冶集团有限公司 | Measurement method for rotary kiln cylinder coaxiality |
| CN106052625B (en) * | 2016-08-22 | 2018-11-30 | 中国十九冶集团有限公司南京分公司 | The method for measuring cylinder concentricity |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121212 |
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| CX01 | Expiry of patent term |