CN109048721B - Cutting head pick positioner of heading machine - Google Patents
Cutting head pick positioner of heading machine Download PDFInfo
- Publication number
- CN109048721B CN109048721B CN201811208866.6A CN201811208866A CN109048721B CN 109048721 B CN109048721 B CN 109048721B CN 201811208866 A CN201811208866 A CN 201811208866A CN 109048721 B CN109048721 B CN 109048721B
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- positioning
- rotary disc
- ruler
- disc
- supporting plate
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- 230000000087 stabilizing effect Effects 0.000 claims abstract description 20
- 238000003466 welding Methods 0.000 claims description 16
- 235000010585 Ammi visnaga Nutrition 0.000 abstract 1
- 244000153158 Ammi visnaga Species 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 239000003245 coal Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
- Road Repair (AREA)
Abstract
A cutting pick localizer of a cutting head of a heading machine comprises a locating seat and a locating cover; the positioning seat comprises a base plate, a switching support ring, an angle positioning disk, a rotary disk support plate, balls, an inner chuck and an outer chuck, and a plurality of angle positioning mark notches are formed in the outer circumference of the angle positioning disk; the upper surface of the angle positioning disk is provided with a gun head bare shell positioning groove; the rotary disk has a degree of freedom of rotation relative to the rotary disk support plate; the locating cover comprises a supporting plate, a height locating ruler and a locating ruler stabilizing frame, a datum locating notch is formed in the inner circumference of the supporting plate, a plurality of height locating mark notches are formed in the height locating ruler, and the supporting plate is located on the upper surface of the rotary disc. When the cutting pick is positioned by the invention, the tooth tip is not determined by artificial experience but is directly determined by the positioning ruler, so that all the cutting pick tooth tips on the same spiral line can be ensured to be accurately kept on the spiral line, and the stability of the cutting performance of the cutting head and the assembly efficiency of the cutting head are greatly improved.
Description
Technical Field
The invention belongs to the technical field of heading machines, and particularly relates to a cutting pick positioner of a cutting head of a heading machine.
Background
The heading machine is mainly used for coal mining and tunneling, the cutting head is one of core components of the heading machine, the cutting pick on the cutting head is directly contacted with the coal wall or the rock wall, the coal wall or the rock wall is cut through rotation of the cutting head, and the cutting pick assembly precision on the cutting head can directly influence the cutting performance.
At present, the assembly of the gun head bare shell and the cutting pick of the cutting head is manually completed by manpower, firstly, the gun head bare shell is required to be vertically placed on an assembly platform, then, a worker manually uses a measuring tool to mark the surface of the gun head bare shell, the layout positions of all cutting picks are determined, then, the pick holder is attached to the marked pick layout points, then, the worker is required to adjust the orientation of the pick tips through experience, after the orientation of the pick tips is adjusted, the pick holder and the gun head bare shell surface are preliminarily fixed together through a spot welding mode, and finally, after the orientation of the pick tips is observed and confirmed again, the pick holder and the gun head bare shell surface are thoroughly fixed together through a full welding mode. Similarly, after all the picks are assembled in a welding way, the tips of all the picks on the same spiral line should be ensured to be kept on the spiral line, but the actual situation is difficult to achieve, since the tip orientation of each pick is spatially different, the tip orientation of the picks is adjusted by means of personal experience, only the tips of all the picks on the same spiral line are ensured to be approximately kept on the spiral line, and the spatial positioning precision of the tips of the picks directly determines the cutting performance of the cutting head. Furthermore, the existing assembly mode of the gun head bare shell and the cutting pick is not only required to determine the cutting pick arrangement points in advance in a manual scribing mode, but also required to take a long time to adjust the orientation of the cutting pick tips at each cutting pick arrangement point, and finally the welding fixation can be performed, so that the efficiency of the whole assembly process is very low, in particular the positioning accuracy of the cutting pick tips is difficult to ensure, the cutting performance of the cutting head is very unstable, and the actual cutting performance of the cutting head is very easy to be lower than expected.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides the cutting pick locator of the cutting head of the heading machine, which completely omits the process of manually marking and determining the arrangement point of the cutting pick, and the positioning process of the cutting pick tip is not determined by human experience any more, but is directly determined by a positioning ruler, so that the positioning precision of each cutting pick can be ensured, and simultaneously, the tips of all cutting picks positioned on the same spiral line can be effectively ensured to be accurately kept on the spiral line, thereby effectively ensuring the stability of the cutting performance of the cutting head and greatly improving the assembly efficiency of the cutting head.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a cutting pick localizer of a cutting head of a heading machine comprises a locating seat and a locating cover; the positioning seat comprises a base plate, a switching support ring, an angle positioning disc, a rotary disc support plate, balls, an inner chuck and an outer chuck; the transfer support ring is concentrically arranged on the upper surface of the base plate, and the transfer support ring is fixedly connected with the base plate through bolts; the angle positioning disc is concentrically arranged on the upper surface of the switching support ring, and the angle positioning disc is fixedly connected with the switching support ring in a welding mode; a plurality of angle positioning mark notches are formed in the outer circumference of the angle positioning disk, a gun head bare shell positioning groove is formed in the upper surface of the angle positioning disk, and the gun head bare shell positioning groove and the angle positioning disk are concentrically arranged; the rotary disc support plate adopts a circular ring structure, the rotary disc support plate is concentrically arranged on the upper surface of the base plate, the rotary disc support plate is fixedly connected with the base plate through bolts, and the rotary disc support plate is positioned on the outer side of the switching support ring; the balls are uniformly distributed on the upper surface of the rotary disc support plate; the inner clamping disc is of a circular ring structure, is concentrically arranged on the lower surface of the rotary disc, and is fixedly connected with the rotary disc through bolts; the outer clamping disc is of a circular ring structure, the outer clamping disc is concentrically arranged on the lower surface of the rotary disc, the outer clamping disc is fixedly connected with the rotary disc through bolts, the outer clamping disc is positioned on the outer side of the inner clamping disc, a circular ring-shaped track groove is formed by the outer clamping disc, the rotary disc and the inner clamping disc, the rotary disc support plate is positioned in the circular ring-shaped track groove, the rotary disc is supported above the rotary disc support plate through balls, the rotary disc and the rotary disc support plate are concentrically arranged, and the rotary disc has a rotation degree of freedom relative to the rotary disc support plate; the locating cover is placed on the upper surface of the rotary disc.
The positioning cover comprises a supporting plate, a height positioning ruler and a positioning ruler stabilizing frame; the supporting plate adopts a circular structure, the inner diameter of the supporting plate is larger than the outer diameter of the angle positioning disk, a datum positioning notch is formed in the inner circumference of the supporting plate, the supporting plate is positioned on the upper surface of the rotary disk, and the supporting plate and the rotary disk are concentrically arranged; the height positioning ruler adopts an arch structure, the height positioning ruler is vertically arranged on the upper surface of the supporting plate, the bottom end of the height positioning ruler is fixedly connected with the supporting plate in a welding mode, and the reference positioning notch is positioned right below the height positioning ruler; the height positioning ruler has the same outline shape as the naked shell of the gun head, and a plurality of height positioning mark notches are formed in the height positioning ruler; the positioning ruler stabilizing frame adopts an arch structure, the positioning ruler stabilizing frame is vertically arranged on the upper surface of the supporting plate, the positioning ruler stabilizing frame and the height positioning ruler are distributed in a crossed mode, the bottom end of the positioning ruler stabilizing frame is fixedly connected with the supporting plate in a welding mode, and the top end of the positioning ruler stabilizing frame is fixedly connected with the top end of the height positioning ruler in a welding mode.
The invention has the beneficial effects that:
the cutting pick positioner of the cutting head of the heading machine completely omits the process of manually marking and determining the arrangement points of the cutting picks, and the positioning process of the tooth tips of the cutting picks is not determined by human experience any more, but is directly determined by the positioning ruler, so that the positioning precision of each cutting pick can be ensured, and simultaneously, the tooth tips of all the cutting picks positioned on the same spiral line can be effectively ensured to be accurately kept on the spiral line, thereby effectively ensuring the stability of the cutting performance of the cutting head and greatly improving the assembly efficiency of the cutting head.
Drawings
FIG. 1 is a front view of a heading machine cutterhead pick retainer of the present invention;
FIG. 2 is a top view of a heading machine cutterhead pick retainer of the present invention;
FIG. 3 is a cross-sectional view of a positioning seat of the present invention;
FIG. 4 is a cross-sectional view of the positioning cover of the present invention;
FIG. 5 is a schematic view of an assembled cutting head in an embodiment;
in the figure, 1-positioning seat, 2-positioning cover, 3-base plate, 4-switching support ring, 5-angle positioning disk, 6-rotary disk, 7-rotary disk support plate, 8-ball, 9-inner clamping disk, 10-outer clamping disk, 11-angle positioning mark notch, 12-gun head bare shell positioning groove, 13-circular ring track groove, 14-supporting plate, 15-height positioning ruler, 16-positioning ruler stabilizing frame, 17-reference positioning notch, 18-gun head bare shell, 19-height positioning mark notch and 20-pick.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples.
As shown in fig. 1 to 4, a cutting pick positioner of a cutting head of a heading machine comprises a positioning seat 1 and a positioning cover 2; the positioning seat 1 comprises a base plate 3, a switching support ring 4, an angle positioning disc 5, a rotary disc 6, a rotary disc support plate 7, balls 8, an inner clamping disc 9 and an outer clamping disc 10; the switching support ring 4 is concentrically arranged on the upper surface of the base plate 3, and the switching support ring 4 is fixedly connected with the base plate 3 through bolts; the angle positioning disc 5 is concentrically arranged on the upper surface of the switching support ring 4, and the angle positioning disc 5 is fixedly connected with the switching support ring 4 in a welding mode; a plurality of angle positioning mark notches 11 are formed in the outer circumference of the angle positioning disk 5, a gun head bare shell positioning groove 12 is formed in the upper surface of the angle positioning disk 5, and the gun head bare shell positioning groove 12 and the angle positioning disk 5 are concentrically arranged; the rotary disc support plate 7 adopts a circular ring structure, the rotary disc support plate 7 is concentrically arranged on the upper surface of the base plate 3, the rotary disc support plate 7 is fixedly connected with the base plate 3 through bolts, and the rotary disc support plate 7 is positioned on the outer side of the switching support ring 4; the number of the balls 8 is several, and the balls 8 are uniformly distributed on the upper surface of the rotary disc support plate 7; the inner clamping disc 9 is of a circular ring structure, the inner clamping disc 9 is concentrically arranged on the lower surface of the rotary disc 6, and the inner clamping disc 9 is fixedly connected with the rotary disc 6 through bolts; the outer clamping disc 10 is of a circular ring structure, the outer clamping disc 10 is concentrically arranged on the lower surface of the rotary disc 6, the outer clamping disc 10 is fixedly connected with the rotary disc 6 through bolts, the outer clamping disc 10 is positioned outside the inner clamping disc 9, a circular ring-shaped track groove 13 is formed by the outer clamping disc 10, the rotary disc 6 and a space between the inner clamping disc 9, the rotary disc support plate 7 is positioned in the circular ring-shaped track groove 13, the rotary disc 6 is supported above the rotary disc support plate 7 through balls 8, the rotary disc 6 and the rotary disc support plate 7 are concentrically arranged, and the rotary disc 6 has a rotation degree of freedom relative to the rotary disc support plate 7; the positioning cover 2 is placed on the upper surface of the rotary disk 6.
The positioning cover 2 comprises a supporting plate 14, a height positioning ruler 15 and a positioning ruler stabilizing frame 16; the supporting plate 13 is of a circular ring structure, the inner diameter of the supporting plate 13 is larger than the outer diameter of the angle positioning disc 5, a datum positioning notch 17 is formed in the inner circumference of the supporting plate 13, the supporting plate 13 is positioned on the upper surface of the rotary disc 6, and the supporting plate 13 and the rotary disc 6 are concentrically arranged; the height positioning ruler 15 adopts an arch structure, the height positioning ruler 15 is vertically arranged on the upper surface of the supporting plate 13, the bottom end of the height positioning ruler 15 is fixedly connected with the supporting plate 13 in a welding mode, and the reference positioning notch 17 is positioned right below the height positioning ruler 15; the height positioning ruler 15 has the same outline shape as the gun head bare shell 18, and a plurality of height positioning mark notches 19 are formed in the height positioning ruler 15; the positioning ruler stabilizing frame 16 adopts an arch structure, the positioning ruler stabilizing frame 16 is vertically arranged on the upper surface of the supporting plate 13, the positioning ruler stabilizing frame 16 and the height positioning ruler 15 are distributed in a crossed mode, the bottom end of the positioning ruler stabilizing frame 16 is fixedly connected with the supporting plate 13 in a welding mode, and the top end of the positioning ruler stabilizing frame 16 is fixedly connected with the top end of the height positioning ruler 15 in a welding mode.
The following describes a one-time use procedure of the present invention with reference to the accompanying drawings:
firstly, the positioning cover 2 is moved beside the positioning seat 1 for standby, then the prepared gun head bare shell 18 is hoisted on the positioning seat 1 and is specifically placed in the gun head bare shell positioning groove 12 on the upper surface of the angle positioning disk 5, so that the concentricity of the gun head bare shell 18 and the angle positioning disk 5 is ensured.
The locating cover 2 beside the locating seat 1 is taken up and buckled on the outer side of the gun head bare shell 18, so that the supporting plate 14 of the locating cover 2 is placed on the upper surface of the rotary disc 6 of the locating seat 1, and concentricity of the supporting plate 14 and the rotary disc 6 is ensured.
The positioning cover 2 is rotated, the rotary disk 6 rotates together with the positioning cover 2, and the reference positioning notch 17 on the supporting plate 14 is aligned with the angle positioning mark notch 11 on the angle positioning disk 5 in sequence.
In this embodiment, 45 picks 20 are required to be mounted on the gun head bare shell 18, and the 45 picks 20 are distributed on 3 spiral lines, and 15 picks 20 are distributed on each spiral line.
In order to accurately distinguish the 45 picks 20, the 45 picks are divided into 3 groups for marking, wherein the first group is marked as A group, the numbers of 15 picks 20 in the A group are sequentially marked as A1-A15, the second group is marked as B group, the numbers of 15 picks 20 in the B group are sequentially marked as B1-B15, the third group is marked as C group, and the numbers of 15 picks 20 in the C group are sequentially marked as C1-C15.
Then, the corresponding angular coordinates of the 45 picks 20 on the gun head bare shell 18 are all marked on the angle positioning disk 5 in the form of the angle positioning mark notch 11, and the corresponding height coordinates of the 45 picks 20 on the gun head bare shell 18 are all marked on the height positioning ruler 15 in the form of the height positioning mark notch 19.
When the reference locating notch 17 is aligned with the angle locating mark notch 11 marked as A1, the cutting pick 20 marked as A1 is located above the angle locating mark notch 11 marked as A1, at this time, the cutting pick A1 is moved to above the angle locating mark notch A1, the height locating mark notch 19 marked as A1 is found, the tip of the cutting pick A1 is aligned with the height locating mark notch A1, meanwhile, the tooth holder is tightly abutted against the surface of the gun head bare shell 18, at this time, the locating of the cutting pick A1 is finished, and finally, the located cutting pick A1 is welded to the gun head bare shell 18.
And by analogy, the positioning assembly of the picks A2-A15 can be completed, the positioning assembly of the picks in the group B and the group C is completed by referring to the assembly process of the group A, and after the assembly of all 45 picks is completed, the effect diagram is shown in figure 5.
The embodiments are not intended to limit the scope of the invention, but rather are intended to cover all equivalent implementations or modifications that can be made without departing from the scope of the invention.
Claims (2)
1. The utility model provides a heading machine cutterhead pick locator which characterized in that: comprises a positioning seat and a positioning cover; the positioning seat comprises a base plate, a switching support ring, an angle positioning disc, a rotary disc support plate, balls, an inner chuck and an outer chuck; the transfer support ring is concentrically arranged on the upper surface of the base plate, and the transfer support ring is fixedly connected with the base plate through bolts; the angle positioning disc is concentrically arranged on the upper surface of the switching support ring, and the angle positioning disc is fixedly connected with the switching support ring in a welding mode; a plurality of angle positioning mark notches are formed in the outer circumference of the angle positioning disk, a gun head bare shell positioning groove is formed in the upper surface of the angle positioning disk, and the gun head bare shell positioning groove and the angle positioning disk are concentrically arranged; the rotary disc support plate adopts a circular ring structure, the rotary disc support plate is concentrically arranged on the upper surface of the base plate, the rotary disc support plate is fixedly connected with the base plate through bolts, and the rotary disc support plate is positioned on the outer side of the switching support ring; the balls are uniformly distributed on the upper surface of the rotary disc support plate; the inner clamping disc is of a circular ring structure, is concentrically arranged on the lower surface of the rotary disc, and is fixedly connected with the rotary disc through bolts; the outer clamping disc is of a circular ring structure, the outer clamping disc is concentrically arranged on the lower surface of the rotary disc, the outer clamping disc is fixedly connected with the rotary disc through bolts, the outer clamping disc is positioned on the outer side of the inner clamping disc, a circular ring-shaped track groove is formed by the outer clamping disc, the rotary disc and the inner clamping disc, the rotary disc support plate is positioned in the circular ring-shaped track groove, the rotary disc is supported above the rotary disc support plate through balls, the rotary disc and the rotary disc support plate are concentrically arranged, and the rotary disc has a rotation degree of freedom relative to the rotary disc support plate; the locating cover is placed on the upper surface of the rotary disc.
2. A heading machine cutterhead pick locator as defined in claim 1, wherein: the positioning cover comprises a supporting plate, a height positioning ruler and a positioning ruler stabilizing frame; the supporting plate adopts a circular structure, the inner diameter of the supporting plate is larger than the outer diameter of the angle positioning disk, a datum positioning notch is formed in the inner circumference of the supporting plate, the supporting plate is positioned on the upper surface of the rotary disk, and the supporting plate and the rotary disk are concentrically arranged; the height positioning ruler adopts an arch structure, the height positioning ruler is vertically arranged on the upper surface of the supporting plate, the bottom end of the height positioning ruler is fixedly connected with the supporting plate in a welding mode, and the reference positioning notch is positioned right below the height positioning ruler; the height positioning ruler has the same outline shape as the naked shell of the gun head, and a plurality of height positioning mark notches are formed in the height positioning ruler; the positioning ruler stabilizing frame adopts an arch structure, the positioning ruler stabilizing frame is vertically arranged on the upper surface of the supporting plate, the positioning ruler stabilizing frame and the height positioning ruler are distributed in a crossed mode, the bottom end of the positioning ruler stabilizing frame is fixedly connected with the supporting plate in a welding mode, and the top end of the positioning ruler stabilizing frame is fixedly connected with the top end of the height positioning ruler in a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811208866.6A CN109048721B (en) | 2018-10-17 | 2018-10-17 | Cutting head pick positioner of heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811208866.6A CN109048721B (en) | 2018-10-17 | 2018-10-17 | Cutting head pick positioner of heading machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109048721A CN109048721A (en) | 2018-12-21 |
| CN109048721B true CN109048721B (en) | 2024-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811208866.6A Active CN109048721B (en) | 2018-10-17 | 2018-10-17 | Cutting head pick positioner of heading machine |
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| Country | Link |
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| CN (1) | CN109048721B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644768B (en) * | 2020-05-26 | 2022-05-03 | 吉林化工学院 | Pick toothholder fixed-position welding device on cutterhead |
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| CN203437845U (en) * | 2013-06-25 | 2014-02-19 | 山东科技大学 | Cutting head cutting tooth installation device |
| CN203600094U (en) * | 2013-10-14 | 2014-05-21 | 江苏中机矿山设备有限公司 | Universal tool for positioning cutting head tooth holder of heading machine |
| CN104308776A (en) * | 2014-10-21 | 2015-01-28 | 西安煤矿机械有限公司 | Tool for mounting tooth holder of end effector for mining equipment |
| CN204122985U (en) * | 2014-08-29 | 2015-01-28 | 内蒙古北方重工业集团有限公司 | The assembly tooling of cutting head of roadheader toothholder |
| WO2015169160A1 (en) * | 2014-05-09 | 2015-11-12 | 刘送永 | Cutting unit for hard rock tunnelling machine |
| CN205465018U (en) * | 2016-04-16 | 2016-08-17 | 河北永通传动机械有限公司 | Entry driving machine cutterhead welding frock |
| CN106238991A (en) * | 2016-09-21 | 2016-12-21 | 辽宁工程技术大学 | A kind of cutting head of roadheader automatic soldering device |
| CN208930078U (en) * | 2018-10-17 | 2019-06-04 | 辽宁工程技术大学 | A kind of cutting head of roadheader pick locator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH716410B1 (en) * | 2007-01-30 | 2021-01-29 | Erowa Ag | Clamping device with a chuck and a releasably fixable workpiece carrier. |
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2018
- 2018-10-17 CN CN201811208866.6A patent/CN109048721B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201815826U (en) * | 2010-10-04 | 2011-05-04 | 湖南永安煤矿机械制造有限公司 | Tool for installing picks of cutting head of roadheader |
| CN203437845U (en) * | 2013-06-25 | 2014-02-19 | 山东科技大学 | Cutting head cutting tooth installation device |
| CN203600094U (en) * | 2013-10-14 | 2014-05-21 | 江苏中机矿山设备有限公司 | Universal tool for positioning cutting head tooth holder of heading machine |
| WO2015169160A1 (en) * | 2014-05-09 | 2015-11-12 | 刘送永 | Cutting unit for hard rock tunnelling machine |
| CN204122985U (en) * | 2014-08-29 | 2015-01-28 | 内蒙古北方重工业集团有限公司 | The assembly tooling of cutting head of roadheader toothholder |
| CN104308776A (en) * | 2014-10-21 | 2015-01-28 | 西安煤矿机械有限公司 | Tool for mounting tooth holder of end effector for mining equipment |
| CN205465018U (en) * | 2016-04-16 | 2016-08-17 | 河北永通传动机械有限公司 | Entry driving machine cutterhead welding frock |
| CN106238991A (en) * | 2016-09-21 | 2016-12-21 | 辽宁工程技术大学 | A kind of cutting head of roadheader automatic soldering device |
| CN208930078U (en) * | 2018-10-17 | 2019-06-04 | 辽宁工程技术大学 | A kind of cutting head of roadheader pick locator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109048721A (en) | 2018-12-21 |
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