CN103447727B - Brill formula coal-winning machine drill bit toothholder welding tooling and method - Google Patents
Brill formula coal-winning machine drill bit toothholder welding tooling and method Download PDFInfo
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- CN103447727B CN103447727B CN201310362128.8A CN201310362128A CN103447727B CN 103447727 B CN103447727 B CN 103447727B CN 201310362128 A CN201310362128 A CN 201310362128A CN 103447727 B CN103447727 B CN 103447727B
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Abstract
The invention discloses a kind of brill formula coal-winning machine drill bit toothholder welding tooling and method, described frock comprises base, middle bit installs rotating shaft, left/right drill bit installs rotating shaft, vertical shaft, transverse axis, slide block, support and mandrel, characterizes the crown of pick with the axis intersection point of the axis of bearing pin and transverse axis; Described slide block is fixed with the elevation angle dial measuring transverse axis rotational angle, described support is fixed with the corner cut dial of air plug gauge rotational angle; During initial position, the numerical value of elevation angle dial and corner cut dial is 0 °, and bearing pin is parallel to z-axis, and mandrel is parallel to y-axis.Brill formula coal-winning machine drill bit toothholder welding tooling of the present invention and method, pick can be solved, toothholder wear extent is large, the idle phenomenon of part toothholder, optimize drill bit toothholder welding tooling and technical parameter design, strengthen drill bit drilling performance, reduce the replacement frequency of drill bit toothholder, reduce labour intensity, promotion progress.
Description
Technical field
The present invention relates to brill formula coal-winning machine drill bit toothholder welding tooling and method, belong to coal winning technology equipment technology.
Background technology
Current domestic thin seam mining technique totally three kinds: big gun is adopted, coal plough is exploited and bore the exploitation of formula coal-winning machine; And bore formula coal-winning machine with advantages such as its working face are unmanned, safe and efficient, technique is simple, there is more good development prospect.The quality of drill bit drilling performance is one of rig development deciding factor.After the technical parameter of existing drill bit welding designs, how to weld with technical staff's experience and simple auxiliary equipment, owing to lacking the welding tooling of specialty, often cause the wear extent of pick after rig drilling, toothholder large; Occur part toothholder to damage completely and the other intact phenomenon that do not work of part toothholder simultaneously, directly affects the performance of drill bit drilling, cause the frequent replacing of toothholder, increase labour intensity, increase production cost, slow down job schedule.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of brill formula coal-winning machine drill bit toothholder welding tooling and method, solve pick, toothholder wear extent is large, the idle phenomenon of part toothholder, optimize drill bit toothholder welding tooling and technical parameter design, strengthen drill bit drilling performance, reduce the replacement frequency of drill bit toothholder, reduce labour intensity, promotion progress.
Technical scheme: for solving the problems of the technologies described above, the technical solution used in the present invention is:
Brill formula coal-winning machine drill bit toothholder welding tooling, comprises base, middle bit installs rotating shaft, left/right drill bit installs rotating shaft, vertical shaft, transverse axis, slide block, support and mandrel; Define a three-dimensional rectangular coordinate axle system, comprise orthogonal x-axis, y-axis and z-axis, then:
The installed surface of described base is positioned in x-z plane, described vertical shaft is vertically mounted on the installed surface of base, described middle bit is installed rotating shaft and left/right drill bit and is installed rotating shaft and be vertically mounted on the installed surface of base respectively by one group of bearing, described middle bit install rotating shaft axis, left/right drill bit installs the axis of rotating shaft and the axis of vertical shaft is all positioned on x-y face;
Described slide block is arranged on vertical shaft, and described slide block can slide along the direction, axis of vertical shaft; Described transverse axis is arranged on slide block, the axis parallel of described transverse axis in x-z plane and x-y plane, described transverse axis can slide along the direction, axis of transverse axis, with the axis of transverse axis for axis rotation;
Described support and transverse axis are fixed, one end of described mandrel by bearing pin and support hinged, the other end of described mandrel is provided with toothholder installing hole, characterizes the crown of pick with the axis intersection point of the axis of bearing pin and transverse axis;
Described slide block is fixed with the elevation angle dial measuring transverse axis rotational angle, described support is fixed with the corner cut dial of air plug gauge rotational angle; During initial position, the numerical value of elevation angle dial and corner cut dial is 0 °, and bearing pin is parallel to z-axis, and mandrel is parallel to y-axis.
Preferably, the inner ring that described middle bit installs rotating shaft and bearing is fixed, and outer ring and the sleeve of described bearing are fixed, and described sleeve is fixed on base; The inner ring that described left/right drill bit installs rotating shaft and bearing is fixed, and outer ring and the sleeve of described bearing are fixed, and described sleeve is fixed on base.To improve the reliability and positional precision of installing.
Brill formula coal-winning machine drill bit toothholder welding method, comprises the steps:
(1) middle bit weldment is arranged on middle bit to install in rotating shaft, left/right drill bit weldment is arranged on left/right drill bit and rotating shaft is installed;
(2) regulate the axis of bearing pin and the axis intersection point of transverse axis in pick crown position, and the numerical value of elevation angle dial and corner cut dial is 0 °; Limit the movement of slide block and transverse axis;
(3) rotate the pick elevation location of transverse axis to design, limit the rotation of transverse axis;
(4) rotation mandrel is to the pick corner cut position of design, limits the rotation of mandrel;
(5) toothholder is arranged on mandrel;
(6) rotate middle bit and rotating shaft is installed, toothholder is welded on middle bit weldment diagonal bar; Rotate left/right drill bit and rotating shaft is installed, toothholder is welded on left/right drill bit weldment diagonal bar;
(7) remove the connection of toothholder and mandrel, pick is arranged on toothholder;
(8) welded all toothholders, and installed pick on all toothholders; Rotate middle bit and rotating shaft and left/right drill bit installation rotating shaft are installed, confirm that middle bit weldment, left/right drill bit weldment and the toothholder installed and pick are not interfered mutually.
Beneficial effect: brill formula coal-winning machine drill bit toothholder welding tooling of the present invention and method, pick can be solved, toothholder wear extent is large, the idle phenomenon of part toothholder, optimize drill bit toothholder welding tooling and technical parameter design, strengthen drill bit drilling performance, reduce the replacement frequency of drill bit toothholder, reduce labour intensity, promotion progress.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of vertical shaft, slide block and transverse axis connecting portion;
Fig. 3 is the structural representation of transverse axis, support, bearing pin, mandrel, toothholder connecting portion;
Fig. 4 is left drill bit assembly structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described.
Be illustrated in figure 1 brill formula coal-winning machine drill bit toothholder welding tooling, comprise base 1, middle bit installs rotating shaft 2, left/right drill bit installs rotating shaft 3, vertical shaft 4, transverse axis 5, slide block 6, support 7 and mandrel 8; Define a three-dimensional rectangular coordinate axle system, comprise orthogonal x-axis, y-axis and z-axis, then:
The installed surface of described base 1 is positioned in x-z plane, described vertical shaft 4 is vertically mounted on the installed surface of base 1, described middle bit is installed rotating shaft 2 and left/right drill bit and is installed rotating shaft 3 and be vertically mounted on the installed surface of base 1 respectively by one group of bearing, described middle bit install rotating shaft 2 axis, left/right drill bit installs the axis of rotating shaft 3 and the axis of vertical shaft 4 is all positioned on x-y face;
Described slide block 6 is arranged on vertical shaft 4, and described slide block 6 can slide along the direction, axis of vertical shaft 4; Described transverse axis 5 is arranged on slide block 6, the axis parallel of described transverse axis 5 in x-z plane and x-y plane, described transverse axis 5 can slide along the direction, axis of transverse axis 5, with the axis of transverse axis 5 for axis rotation;
Described support 7 is fixed with transverse axis 5, and one end of described mandrel 8 is hinged by bearing pin 9 and support 7, and the other end of described mandrel 8 is provided with toothholder 12 installing hole, characterizes the crown of pick 13 with the axis intersection point of the axis of bearing pin 9 and transverse axis 5;
Described slide block 6 is fixed with the elevation angle dial 10 measuring transverse axis 5 rotational angle, described support 7 is fixed with the corner cut dial 11 of air plug gauge 8 rotational angle; During initial position, the numerical value of elevation angle dial 10 and corner cut dial 11 is 0 °, and bearing pin 9 is parallel to z-axis, and mandrel 8 is parallel to y-axis.
Described middle bit is installed rotating shaft 2 and is fixed with the inner ring of bearing, and outer ring and the sleeve of described bearing are fixed, and described sleeve is fixed on base 1; Described left/right drill bit is installed rotating shaft 3 and is fixed with the inner ring of bearing, and outer ring and the sleeve of described bearing are fixed, and described sleeve is fixed on base 1.
When in the design, drill bit installation rotating shaft 2, left/right drill bit install rotating shaft 3 and vertical shaft 4 position, need the requirement considering height and length range, after ensureing toothholder 12 and pick 13 installation, middle bit weldment, left/right drill bit weldment and the toothholder 12 installed and pick 13 are not interfered mutually.Middle bit is installed rotating shaft 2 and left/right drill bit rotating shaft 3 is installed is arranged on bearing, freely rotating of middle bit weldment, left/right drill bit weldment can be ensured, to ensure the demand of toothholder 12 welding position.
Based on the welding method of above-mentioned brill formula coal-winning machine drill bit toothholder welding tooling, comprise the steps:
(1) middle bit weldment is arranged on middle bit to install in rotating shaft 2, left/right drill bit weldment is arranged on left/right drill bit and rotating shaft 3 is installed;
(2) regulate the axis of bearing pin 9 and the axis intersection point of transverse axis 5 in pick 13 crown position, and the numerical value of elevation angle dial 10 and corner cut dial 11 is 0 °; Limit the movement of slide block 6 and transverse axis 5;
(3) rotate pick 13 elevation location of transverse axis 5 to design, limit the rotation of transverse axis 5;
(4) rotation mandrel 8 is to the pick 13 corner cut position of design, limits the rotation of mandrel 8;
(5) toothholder 12 is arranged on mandrel 8;
(6) rotate middle bit and rotating shaft 2 is installed, toothholder 12 is welded on middle bit weldment diagonal bar 14; Rotate left/right drill bit and rotating shaft 3 is installed, toothholder 12 is welded on left/right drill bit weldment diagonal bar 14;
(7) remove the connection of toothholder 12 and mandrel 8, pick 13 is arranged on toothholder 12;
(8) welded all toothholders 12, and installed pick 13 on all toothholders 12; Rotate middle bit and rotating shaft 2 and left/right drill bit installation rotating shaft 3 are installed, confirm that middle bit weldment, left/right drill bit weldment and the toothholder 12 installed and pick 13 are not interfered mutually.
As shown in Figure 2, Figure 3, Figure 4, the extension elongation l=L-d-s of transverse axis 5, wherein L is that vertical shaft 4 and corresponding middle bit are installed rotating shaft 2 or left/right drill bit and installed distance along x-axis between rotating shaft 3 axis, and d is the diameter of pick 13 crown, and s is the installing space along x-axis between bearing pin 9 and transverse axis 5; The welding and assembling height H=h+m of toothholder 12, wherein h be pick 13 crown apart from the distance along y-axis bottom corresponding middle bit weldment or left/right drill bit weldment, m is the distance of installed surface along y-axis of corresponding middle bit weldment or left/right drill bit weldment distance from bottom base 1; Pick 13 elevation angle uses θ to represent, pick 13 corner cut uses φ to represent.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. bore formula coal-winning machine drill bit toothholder welding tooling, it is characterized in that: comprise base (1), middle bit installs rotating shaft (2), left/right drill bit installs rotating shaft (3), vertical shaft (4), transverse axis (5), slide block (6), support (7) and mandrel (8); Define a three-dimensional rectangular coordinate axle system, comprise orthogonal x-axis, y-axis and z-axis, then:
The installed surface of described base (1) is positioned in x-z plane, described vertical shaft (4) is vertically mounted on the installed surface of base (1), described middle bit installs rotating shaft (2) and left/right drill bit installation rotating shaft (3) is vertically mounted on the installed surface of base (1) respectively by one group of bearing, and the axis of axis and vertical shaft (4) that rotating shaft (3) is installed in the axis of described middle bit installation rotating shaft (2), left/right drill bit is all positioned on x-y face;
Described slide block (6) is arranged on vertical shaft (4), and described slide block (6) can slide along the direction, axis of vertical shaft (4); Described transverse axis (5) is arranged on slide block (6), the axis parallel of described transverse axis (5) in x-z plane and x-y plane, described transverse axis (5) can slide along the direction, axis of transverse axis (5), with the axis of transverse axis (5) for axis rotation;
Described support (7) is fixed with transverse axis (5), one end of described mandrel (8) is hinged by bearing pin (9) and support (7), the other end of described mandrel (8) is provided with toothholder (12) installing hole, characterizes the crown of pick (13) with the axis intersection point of the axis of bearing pin (9) and transverse axis (5);
Described slide block (6) is fixed with the elevation angle dial (10) measuring transverse axis (5) rotational angle, described support (7) is fixed with the corner cut dial (11) of air plug gauge (8) rotational angle; During initial position, the numerical value of elevation angle dial (10) and corner cut dial (11) is 0 °, and bearing pin (9) is parallel to z-axis, and mandrel (8) is parallel to y-axis;
After described toothholder (12) and pick (13) installation, middle bit weldment, left/right drill bit weldment and the toothholder (12) installed and pick (13) are not interfered mutually.
2. brill formula coal-winning machine drill bit toothholder welding tooling according to claim 1, it is characterized in that: described middle bit is installed rotating shaft (2) and fixed with the inner ring of bearing, outer ring and the sleeve of described bearing are fixed, and described sleeve is fixed on base (1); Described left/right drill bit is installed rotating shaft (3) and is fixed with the inner ring of bearing, and outer ring and the sleeve of described bearing are fixed, and described sleeve is fixed on base (1).
3. bore formula coal-winning machine drill bit toothholder welding method, it is characterized in that: comprise the steps:
(1) middle bit weldment is arranged on middle bit to install in rotating shaft (2), left/right drill bit weldment is arranged on left/right drill bit and rotating shaft (3) is installed;
(2) axis of adjustment bearing pin (9) and the axis intersection point of transverse axis (5) are in pick (13) crown position, and the numerical value of elevation angle dial (10) and corner cut dial (11) is 0 °; Limit the movement of slide block (6) and transverse axis (5);
(3) rotate pick (13) elevation location of transverse axis (5) to design, limit the rotation of transverse axis (5);
(4) rotation mandrel (8) is to pick (13) the corner cut position of design, limits the rotation of mandrel (8);
(5) toothholder (12) is arranged on mandrel (8);
(6) rotate middle bit and rotating shaft (2) is installed, toothholder (12) is welded on middle bit weldment diagonal bar (14); Rotate left/right drill bit and rotating shaft (3) is installed, toothholder (12) is welded on left/right drill bit weldment diagonal bar (14);
(7) remove the connection of toothholder (12) and mandrel (8), pick (13) is arranged on toothholder (12);
(8) welded all toothholders (12), and installed pick (13) on all toothholders (12); Rotate middle bit and rotating shaft (2) and left/right drill bit installation rotating shaft (3) are installed, confirm that middle bit weldment, left/right drill bit weldment and the toothholder (12) installed and pick (13) are not interfered mutually.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310362128.8A CN103447727B (en) | 2013-08-19 | 2013-08-19 | Brill formula coal-winning machine drill bit toothholder welding tooling and method |
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| CN201310362128.8A CN103447727B (en) | 2013-08-19 | 2013-08-19 | Brill formula coal-winning machine drill bit toothholder welding tooling and method |
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| CN103447727B true CN103447727B (en) | 2016-01-20 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567667A (en) * | 2014-11-21 | 2015-04-29 | 三一重型装备有限公司 | Tooth holder positioning device |
| CN106238991B (en) * | 2016-09-21 | 2018-01-30 | 辽宁工程技术大学 | A kind of cutting head of roadheader automatic soldering device |
| CN107042382B (en) * | 2017-06-02 | 2018-10-16 | 永城煤电控股集团有限公司 | Coal mining machine roller pick box welded retainer |
| CN107091088B (en) * | 2017-06-07 | 2019-05-14 | 中国矿业大学 | A kind of brill plane formula coalcutter planer head |
| CN110181557A (en) * | 2019-05-21 | 2019-08-30 | 山西能源学院 | The localization method of toothholder robot installation cutting drum toothholder |
| CN114559201B (en) * | 2022-04-01 | 2022-07-15 | 山西朔州山阴金海洋五家沟煤业有限公司 | Welding processing equipment for coal mining machinery maintenance |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8355815B2 (en) * | 2009-02-12 | 2013-01-15 | Baker Hughes Incorporated | Methods, systems, and devices for manipulating cutting elements for earth-boring drill bits and tools |
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| CN202037476U (en) * | 2011-03-18 | 2011-11-16 | 陕西秦川机械发展股份有限公司 | Large-scale numerical control gear cutting machine |
| CN102581540A (en) * | 2012-03-30 | 2012-07-18 | 中煤科工集团重庆研究院 | Cutting tooth positioning tool |
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Effective date of registration: 20220324 Address after: 221000 No.1 Huatai Road, No.3 Industrial Park, Xuzhou hi tech Industrial Development Zone, Jiangsu Province Patentee after: Guoke Zhongmai (Xuzhou) Energy Technology Co.,Ltd. Address before: Huatai Road, hi tech Industrial Development Zone, Xuzhou, Jiangsu Patentee before: JIANGSU ZHONGJI MINE EQUIPMENT Co.,Ltd. |
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