CN102744584A - Method for cutting and installing iron mineral hopper liner plate - Google Patents
Method for cutting and installing iron mineral hopper liner plate Download PDFInfo
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- CN102744584A CN102744584A CN2012102275423A CN201210227542A CN102744584A CN 102744584 A CN102744584 A CN 102744584A CN 2012102275423 A CN2012102275423 A CN 2012102275423A CN 201210227542 A CN201210227542 A CN 201210227542A CN 102744584 A CN102744584 A CN 102744584A
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- overlap joint
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Abstract
The invention discloses a method for cutting and installing an iron mineral hopper liner plate, comprising the following steps: (1) measuring; (2) cutting the liner plate according to a measurement result in the step (1); and (3) installing the liner plate: installing two liner plates intersected at apexes on an inner wall of a hopper firstly, then installing another two liner plates at the intersected position, and finally installing the liner plate on the inner wall surface of the hopper; the gap between adjacent vertically arranged liner plates is 2-3 mm; the gap between adjacent transversely spliced liner plates is 2-3 mm; and the gap between an upper and lower lap joint liner plates is 2-3 mm. Compared with the prior art, according to the method, a total station instrument is utilized to obtain the space coordinates of each apex of the hopper accurately, the size of the liner plate is divided more reasonably, material flowing resistance is favorably reduced, thus friction is reduced and the service life of the liner plate is prolonged .
Description
Technical field
The present invention relates to a kind of liner plate cutting and installation method, relate in particular to cutting of iron ore feed hopper liner and installation method.
Background technology
The colliery hopper is in order to install the large-scale steel structure of mining material additional, through welding forming, owing to contain hard material such as a large amount of sandstone in the colliery material, in order to improve the service life of colliery hopper, often need install one deck antiwear lining plate material in hopper inside additional.Owing to be easy to generate bigger malformation in the welding process, colliery hopper inner surface geometric profile is carried out space measurement, confirm that geometric parameter could reasonably install one deck antiwear lining plate material additional accurately, the space between the control antiwear lining plate.
Also do not have at present and well be used for cutting of iron ore feed hopper liner and installation method.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of difficult generation malformation is provided, reduces the logistics resistance, prolongs the liner plate cutting of iron ore feed hopper liner and the installation method in service life.
In order to achieve the above object, iron ore feed hopper liner cutting of the present invention and installation method, it may further comprise the steps:
(1) measure, the concrete steps of described measurement are:
(a) on the hopper of colliery, choose a summit as the origin of coordinates, total powerstation is placed on first summit of choosing, the summit space coordinates of colliery hopper inwall flex point, hopper summit, colliery and diapire that the employing total station survey can measure;
(b) choosing second summit that is on the first summit diagonal positions is the origin of coordinates, the colliery hopper inwall flex point that does not measure in the employing total station survey step (a) and the summit space coordinates of diapire;
(c) with the space coordinates of the point of measuring in the step (b) through Coordinate Conversion be with the same coordinate system of step (a) under space coordinates;
(d) according to the length on each limit of each face of spatial coordinates calculation discharge bucket of the each point that records and the folder between each adjacent surface
(2) according to the cutting of the measurement result in the step (1) liner plate:
(a) be positioned at the preparation of the liner plate of hopper internal face: the height of the liner plate of internal face is 300-1000mm, and wide is 200-1000mm; The bottom of attending of the liner plate of each hopper internal face makes a call to 45 ° of-60 ° of grooves respectively; (b) be positioned at the preparation of the left and right overlap joint liner plate of adjacent surface intersection, the left and right sides: the lap-joint at left and right overlap joint liner plate makes groove respectively, and bevel angle is got the half the of left and right sides intersecting plane angle;
(c) be positioned at the preparation of the upper and lower overlap joint liner plate of upper and lower faces intersection: on overlap liner plate lower limb make 45 degree to 60 degree grooves; The top edge that overlaps liner plate is down beaten β degree groove; Utilize space vector to obtain the angle between two faces that overlap up and down; Angle between two faces that the size at β angle equals to overlap up and down deducts the bevel angle of overlap joint liner plate lower limb; The thickness relationship of last overlap joint liner plate and overlap joint liner plate down for
wherein t be the thickness of last overlap joint liner plate; M is for overlapping the thickness of liner plate down; α is the angle that upper and lower surface intersects, and γ is the following bevel angle of last overlap joint liner plate;
(3) liner plate is installed: the liner plate that each place, summit is intersected on the two sides is installed earlier on described hopper inwall, the liner plate of intersection, two sides is installed again, the liner plate of hopper internal face is installed at last; The adjacent slit that vertically is provided with between liner plate is 2-3mm, and the slit between adjacent horizontally-spliced liner plate is 2-3mm; The slit of upper and lower overlap joint liner plate is 2-3mm.
The inventive method and prior art relatively use total powerstation accurately to obtain the space coordinates on each summit of hopper, and the shape size of more reasonably having divided liner plate helps reducing the resistance of Flow of Goods and Materials, prolongs the service life of liner plate thereby reduce to rub.
Description of drawings
Fig. 1 and Fig. 2 are the measuring process sketch mapes of iron ore feed hopper liner cutting of the present invention and installation method;
Fig. 3 is an iron ore feed hopper liner structural representation of the present invention;
Fig. 4 is the preparation sketch map that is positioned at the upper and lower overlap joint liner plate of upper and lower faces intersection;
Fig. 5 is a liner plate integral installation effect sketch map.
The specific embodiment
Describe the present invention below in conjunction with accompanying drawing and specific embodiment.
Like iron ore feed hopper liner cutting of the present invention shown in the drawings and installation method; It may further comprise the steps: (1) is measured; The concrete steps of described measurement are: (a) on the hopper of colliery, choose a summit 1 as the origin of coordinates; Total powerstation is placed on first summit of choosing the summit space coordinates of colliery hopper inwall flex point, hopper summit, colliery and diapire that the employing total station survey can measure; (b) choose second summit 2 that is on the first summit diagonal positions and be the origin of coordinates, the colliery hopper inwall flex point that does not measure in the employing total station survey step (a) and the summit space coordinates of diapire; (c) with the space coordinates of the point of measuring in the step (b) through Coordinate Conversion be with the same coordinate system of step (a) under space coordinates; (d) according to the length on each limit of each face of spatial coordinates calculation discharge bucket of the each point that records and the angle between each adjacent surface; (2) according to the cutting of the measurement result in the step (1) liner plate; (a) be positioned at the preparation of the liner plate of hopper internal face: the height of the liner plate 3 of internal face is 300-1000mm, and wide is 200-1000mm; The top and bottom of the liner plate of each hopper internal face are made a call to 45 ° of-60 ° of grooves respectively, and promptly the lower plane 6 of liner plate is 45 °-60 ° with the angle β 1 of back plane 7, and the last plane 8 of liner plate also is 45 °-60 ° with the angle β 2 of frontal plane 9.(b) be positioned at the left and right overlap joint liner plate 4-1 of adjacent surface intersection, the left and right sides, the preparation of 4-2: the lap-joint at left and right overlap joint liner plate makes groove respectively, and the angle of groove is got the half the of left and right sides intersecting plane angle; (c) be positioned at the upper and lower overlap joint liner plate 5-1 of upper and lower faces intersection, the preparation of 5-2: on overlap liner plate 5-1 lower limb make 45 degree to 60 degree grooves (promptly going up the lower plane of overlap joint liner plate and the angle of frontal plane); The top edge that overlaps liner plate is down beaten β degree groove; Utilize space vector to obtain the angle between two faces that overlap up and down; The size at β angle then equals the bevel angle that this angle deducts overlap joint liner plate lower limb; The thickness relationship
of last overlap joint liner plate and following overlap joint liner plate wherein t is the thickness of last overlap joint liner plate; M is for overlapping the thickness of liner plate down; α is the angle of plane 10 and lower plane 11 on the hopper inwall, and γ is the following bevel angle of last overlap joint liner plate, and γ is generally 45 °-60 °.
(3) liner plate is installed: the liner plate that each place, summit is intersected on the two sides is installed earlier on described hopper inwall, the liner plate of intersection, two sides is installed again, the liner plate of hopper internal face is installed at last; Slit H1 between adjacent vertical liner plate is 2-3mm, and the slit H2 on (the adjacent plane 10, a liner plate left side and the right plane of another liner plate) is 2-3mm between horizontally-spliced adjacent liner plate; The slit of upper and lower overlap joint liner plate is 2-3mm.Liner plate is installed can adopt dormant bolt, perhaps uses the impact screw of belt washer, can also use threaded stud welding on the hopper inner surface.Preferred upper and lower liner plate adopts the method for depressing, and the groove bottom of the groove of liner plate is pushed down down at the groove tip of promptly going up liner plate.Installation can guarantee the disposable installation success of liner plate like this, and helps reducing the resistance of Flow of Goods and Materials, thereby reduces friction, prolongs the service life of liner plate.
(1) measure, the concrete steps of described measurement are:
(a) on the hopper of colliery, choose a summit as the origin of coordinates, total powerstation is placed on first summit of choosing, adopt the summit of total station survey mineral aggregate bucket inwall flex point, hopper summit, colliery and diapire to amount to 9 space coordinates;
(b) choosing second summit that is on the first summit diagonal positions is the origin of coordinates, and the colliery hopper inwall flex point that does not measure in the employing total station survey step (a) and the summit of diapire amount to 2 space coordinates;
(c) with the space coordinates of the point of measuring in the step (b) through Coordinate Conversion be with the same coordinate system of step (a) under space coordinates;
(d) according to the length on each limit of each face of spatial coordinates calculation discharge bucket of the each point that records and the angle between each adjacent surface;
(2) according to the cutting of the measurement result in the step (1) liner plate;
(a) be positioned at the preparation of the liner plate of hopper internal face: the height of the liner plate of internal face is 300mm, and wide is 200mm; The bottom of attending of the liner plate of each hopper internal face makes a call to 50 ° of grooves respectively; (b) be positioned at the preparation of the left and right overlap joint liner plate of adjacent surface intersection, the left and right sides: the lap-joint at left and right overlap joint liner plate makes groove respectively, and bevel angle is got the half the of left and right sides intersecting plane angle;
(c) be positioned at the preparation of the upper and lower overlap joint liner plate of upper and lower faces intersection: on overlap liner plate lower limb make 60 degree grooves; The top edge that overlaps liner plate is down beaten β degree groove; Utilize space vector to obtain the angle between two faces that overlap up and down; Angle between two faces that the size at β angle equals to overlap up and down deducts the bevel angle of overlap joint liner plate lower limb, on overlap liner plate and overlap joint liner plate down thickness relationship for
wherein t be the thickness of last overlap joint liner plate, be 15mm in this example; M is for overlapping the thickness of liner plate down; Be 26mm in this example, α is the angle that upper and lower surface intersects, and in this example is 120 °; γ is the following bevel angle of last overlap joint liner plate, in this example is 45 °;
(3) liner plate is installed: the liner plate that each place, summit is intersected on the two sides is installed earlier on described hopper inwall, the liner plate of intersection, two sides is installed again, the liner plate of hopper internal face is installed at last; The adjacent slit that vertically is provided with between liner plate is 2.5mm, and the slit between adjacent horizontally-spliced liner plate is 2.5mm; The slit of upper and lower overlap joint liner plate is 2.5mm.The groove bottom of the groove of liner plate is pushed down down at the groove tip of last liner plate.
Through using, the antiwear lining plate size is less, and cutting quantity is big, and is easy for installation, and all disposable overlap joint of all liner plates is intact, and the space control between antiwear lining plate accurately helps reducing the resistance of Flow of Goods and Materials, thereby reduces friction, prolongs the service life of liner plate.
(1) measure, the concrete steps of described measurement are:
(a) on the hopper of colliery, choose a summit as the origin of coordinates, total powerstation is placed on first summit of choosing, adopt the summit of total station survey mineral aggregate bucket inwall flex point, hopper summit, colliery and diapire to amount to 9 space coordinates;
(b) choosing second summit that is on the first summit diagonal positions is the origin of coordinates, and the colliery hopper inwall flex point that does not measure in the employing total station survey step (a) and the summit of diapire amount to 2 space coordinates;
(c) with the space coordinates of the point of measuring in the step (b) through Coordinate Conversion be with the same coordinate system of step (a) under space coordinates;
(d) according to the length on each limit of each face of spatial coordinates calculation discharge bucket of the each point that records and the angle between each adjacent surface;
(2) according to the cutting of the measurement result in the step (1) liner plate;
(a) be positioned at the preparation of the liner plate of hopper internal face: the height of the liner plate of internal face is 600mm, and wide is 600mm; The bottom of attending of the liner plate of each hopper internal face makes a call to 45 ° of grooves respectively; (b) be positioned at the preparation of the left and right overlap joint liner plate of adjacent surface intersection, the left and right sides: the lap-joint at left and right overlap joint liner plate makes groove respectively, and bevel angle is got the half the of left and right sides intersecting plane angle;
(c) be positioned at the preparation of the upper and lower overlap joint liner plate of upper and lower faces intersection: on overlap liner plate lower limb make 45 degree grooves; The top edge that overlaps liner plate is down beaten β degree groove; Utilize space vector to obtain the angle between two faces that overlap up and down; Angle between two faces that the size at β angle equals to overlap up and down deducts the bevel angle of overlap joint liner plate lower limb, on overlap liner plate and overlap joint liner plate down thickness relationship for
wherein t be the thickness of last overlap joint liner plate, be 20mm in this example; M is for overlapping the thickness of liner plate down; Be 35mm in this example, α is the angle that upper and lower surface intersects, and in this example is 120 °; γ is the following bevel angle of last overlap joint liner plate, in this example is 45 °;
(2) liner plate is installed: the liner plate that each place, summit is intersected on the two sides is installed earlier on described hopper inwall, the liner plate of intersection, two sides is installed again, the liner plate of hopper internal face is installed at last; The adjacent slit that vertically is provided with between liner plate is 3mm, and the slit between adjacent horizontally-spliced liner plate is 3mm; The slit of upper and lower overlap joint liner plate is 3mm.The groove bottom of the groove of liner plate is pushed down down at the groove tip of last liner plate.
Through using, the antiwear lining plate size is medium, and it is comparatively convenient to install; And all disposable overlap joint of all liner plates is intact, avoids liner plate to cut improper and waste that cause, and the space control between antiwear lining plate accurately; Help reducing the resistance of Flow of Goods and Materials, thereby reduce friction, prolong the service life of liner plate.
Embodiment 3
(1) measure, the concrete steps of described measurement are:
(a) on the hopper of colliery, choose a summit as the origin of coordinates, total powerstation is placed on first summit of choosing, adopt the summit of total station survey mineral aggregate bucket inwall flex point, hopper summit, colliery and diapire to amount to 9 space coordinates;
(b) choosing second summit that is on the first summit diagonal positions is the origin of coordinates, and the colliery hopper inwall flex point that does not measure in the employing total station survey step (a) and the summit of diapire amount to 2 space coordinates;
(c) with the space coordinates of the point of measuring in the step (b) through Coordinate Conversion be with the same coordinate system of step (a) under space coordinates;
(d) according to the length on each limit of each face of spatial coordinates calculation discharge bucket of the each point that records and the angle between each adjacent surface;
(2) according to the cutting of the measurement result in the step (1) liner plate;
(a) be positioned at the preparation of the liner plate of hopper internal face: the height of the liner plate of internal face is 1000mm, and wide is 1000mm; The bottom of attending of the liner plate of each hopper internal face makes a call to 60 ° of grooves respectively; (b) be positioned at the preparation of the left and right overlap joint liner plate of adjacent surface intersection, the left and right sides: the lap-joint at left and right overlap joint liner plate makes groove respectively, and bevel angle is got the half the of left and right sides intersecting plane angle;
(c) be positioned at the preparation of the upper and lower overlap joint liner plate of upper and lower faces intersection: on overlap liner plate lower limb make 50 degree grooves; The top edge that overlaps liner plate is down beaten β degree groove; Utilize space vector to obtain the angle between two faces that overlap up and down; Angle between two faces that the size at β angle equals to overlap up and down deducts the bevel angle of overlap joint liner plate lower limb, on overlap liner plate and overlap joint liner plate down thickness relationship for
wherein t be the thickness of last overlap joint liner plate, be 25mm in this example; M is for overlapping the thickness of liner plate down; Be 44mm in this example, α is the angle that upper and lower surface intersects, and in this example is 120 °; γ is the following bevel angle of last overlap joint liner plate, in this example is 45 °;
(2) liner plate is installed: the liner plate that each place, summit is intersected on the two sides is installed earlier on described hopper inwall, the liner plate of intersection, two sides is installed again, the liner plate of hopper internal face is installed at last; The adjacent slit that vertically is provided with between liner plate is 2mm, and the slit between adjacent horizontally-spliced liner plate is 2mm; The slit of upper and lower overlap joint liner plate is 2mm.The groove bottom of the groove of liner plate is pushed down down at the groove tip of last liner plate.
Through using, the antiwear lining plate size is bigger, and cutting is convenient; Install simply, and all disposable overlap joint of all liner plates is intact, avoids liner plate to cut improper and waste that cause; Space control between antiwear lining plate accurately; Help reducing the resistance of Flow of Goods and Materials, thereby reduce friction, prolong the service life of liner plate.
Claims (2)
1. the iron ore feed hopper liner cuts and installation method, it is characterized in that it may further comprise the steps:
(1) measure, the concrete steps of described measurement are:
(a) on the hopper of colliery, choose a summit as the origin of coordinates, total powerstation is placed on first summit of choosing, the summit space coordinates of colliery hopper inwall flex point, hopper summit, colliery and diapire that the employing total station survey can measure;
(b) choosing second summit that is on the first summit diagonal positions is the origin of coordinates, the colliery hopper inwall flex point that does not measure in the employing total station survey step (a) and the summit space coordinates of diapire;
(c) with the space coordinates of the point of measuring in the step (b) through Coordinate Conversion be with the same coordinate system of step (a) under space coordinates;
(d) according to the length on each limit of each face of spatial coordinates calculation discharge bucket of the each point that records and the angle between each adjacent surface;
(2) according to the cutting of the measurement result in the step (1) liner plate:
(a) be positioned at the preparation of the liner plate of hopper internal face: the height of the liner plate of internal face is 300-1000mm, and wide is 200-1000mm; The bottom of attending of the liner plate of each hopper internal face makes a call to 45 ° of-60 ° of grooves respectively; (b) be positioned at the preparation of the left and right overlap joint liner plate of adjacent surface intersection, the left and right sides: the lap-joint at left and right overlap joint liner plate makes groove respectively, and bevel angle is got the half the of left and right sides intersecting plane angle;
(c) be positioned at the preparation of the upper and lower overlap joint liner plate of upper and lower faces intersection: on overlap liner plate lower limb make 45 degree to 60 degree grooves; The top edge that overlaps liner plate is down beaten β degree groove; Utilize space vector to obtain the angle between two faces that overlap up and down; Angle between two faces that the size at β angle equals to overlap up and down deducts the bevel angle of overlap joint liner plate lower limb; The thickness relationship of last overlap joint liner plate and overlap joint liner plate down for
wherein t be the thickness of last overlap joint liner plate; M is for overlapping the thickness of liner plate down; α is the angle that upper and lower surface intersects, and γ is the following bevel angle of last overlap joint liner plate;
(3) liner plate is installed: the liner plate that each place, summit is intersected on the two sides is installed earlier on described hopper inwall, the liner plate of intersection, two sides is installed again, the liner plate of hopper internal face is installed at last; The adjacent slit that vertically is provided with between liner plate is 2-3mm, and the slit between adjacent horizontally-spliced liner plate is 2-3mm; The slit of upper and lower overlap joint liner plate is 2-3mm.
2. iron ore feed hopper liner cutting according to claim 1 and installation method is characterized in that: the groove bottom of the groove of liner plate is pushed down down at the groove tip of going up liner plate.
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| CN201210227542.3A CN102744584B (en) | 2012-07-03 | 2012-07-03 | Method for cutting and installing iron mineral hopper liner plate |
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| CN201210227542.3A CN102744584B (en) | 2012-07-03 | 2012-07-03 | Method for cutting and installing iron mineral hopper liner plate |
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Cited By (2)
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| CN103793569B (en) * | 2014-01-28 | 2016-11-16 | 博迈科海洋工程股份有限公司 | The segmentation docking calculation of large hydraulic natural gas storage conveyor module |
| CN110788510A (en) * | 2019-11-24 | 2020-02-14 | 安徽康迪纳电力科技有限责任公司 | Curved shrimp liner and mounting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103793569B (en) * | 2014-01-28 | 2016-11-16 | 博迈科海洋工程股份有限公司 | The segmentation docking calculation of large hydraulic natural gas storage conveyor module |
| CN110788510A (en) * | 2019-11-24 | 2020-02-14 | 安徽康迪纳电力科技有限责任公司 | Curved shrimp liner and mounting method |
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| CN102744584B (en) | 2014-07-02 |
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