CN103046926A - Heading machine and split cutting head thereof - Google Patents
Heading machine and split cutting head thereof Download PDFInfo
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- CN103046926A CN103046926A CN2012105560388A CN201210556038A CN103046926A CN 103046926 A CN103046926 A CN 103046926A CN 2012105560388 A CN2012105560388 A CN 2012105560388A CN 201210556038 A CN201210556038 A CN 201210556038A CN 103046926 A CN103046926 A CN 103046926A
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- cutting head
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Abstract
The invention discloses a heading machine and a split cutting head thereof. The split cutting head comprises a cutting head body, a head body top base, a pick box and a cutting pick, wherein the cutting head body is connected with a cutting arm of the heading machine; the head body top base is detachably connected with the cutting head body; and the cutting pick is connected with the cutting head body and the head body top base through the pick box. The cutting head is divided into the cutting head body and the head body top base which are detachably connected, the head body top base is positioned at the front end of the cutting head, and when a cutting base on the head body top base is required to be replaced due to eccentric wear or drop, only the head body top base is detached down from the cutting head body and replaced, without replacing the whole cutting head; compared with the whole cutting head, the mass and the size of the head body top base are much smaller, so that within a narrow underground space, detachment and installation are easier, the replacement time is reduced and the production efficiency is improved.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of development machine and split type cutterhead thereof.
Background technology
Development machine is a kind of synthesization coal excavation apparatus that integrates the functions such as cut, shipment, walking, and during the development machine operation, the cutterhead by its front end carries out cut and mines.Through after the long cut operation, the pick box of cutterhead front end very easily produces eccentric wear and comes off, and has a strong impact on cut function and the operating efficiency of cutterhead.When the cut seat eccentric wear of cutterhead front end or when coming off, method commonly used is directly to change a new cutterhead in the down-hole at present, but because the space, down-hole is narrow, and the weight and volume of cutterhead is larger, so comparatively difficult in down-hole dismounting and installation cutterhead, and the time of expending in the Renewal process is longer, has a strong impact on production efficiency; In addition, the cutterhead cost is higher, owing to the cut seat eccentric wear of cutterhead front end or come off and change whole cutterhead, causes serious waste.
Summary of the invention
In view of this, the present invention proposes a kind of development machine and split type cutterhead thereof, is difficult to change and change the wasting of resources problem that whole cutterhead causes because the cut seat of cutterhead front end weares and teares to solve existing cutterhead.
An aspect the invention provides a kind of split type cutterhead, is used for development machine, comprises the body of the cutting head, a body footstock, pick box and pick.Wherein, the body of the cutting head is used for being connected with the cutting arm of described development machine; Body footstock removably is connected in described the body of the cutting head; Pick is connected in described the body of the cutting head and described body footstock by described pick box.
Further, in the above-mentioned split type cutterhead, be respectively arranged with key bar and keyway on described body footstock and the described the body of the cutting head; Described body footstock and described the body of the cutting head were realized removably connecting by described key bar and cooperating of described keyway.
Further, in the above-mentioned split type cutterhead, be provided with the bolt for the location between described key bar and the described keyway.
Further, in the above-mentioned split type cutterhead, described key bar along the circumferential direction evenly distributes centered by the axis of described body footstock; Described keyway along the circumferential direction evenly distributes centered by the axis of described the body of the cutting head.
Further, in the above-mentioned split type cutterhead, the cross section of described key bar and described keyway is fan-shaped, and described fan shaped cross section comprises: arc section, outer arcuate section and be positioned at described arc section and the straightway at outer arcuate section two ends.
Further, in the above-mentioned split type cutterhead, described key bar be welded in described body footstock or with described the body footstock structure that is formed in one.
Further, in the above-mentioned split type cutterhead, described pick box is welded in described the body of the cutting head and described body footstock.
Further, in the above-mentioned split type cutterhead, described body footstock offers the top wire hole that runs through described body footstock vertically.
Among the present invention, cutterhead is divided into the body of the cutting head and body footstock two parts, wherein, body footstock is positioned at the front end of cutterhead, an end that namely is easy to wear and tear, cut seat on the body footstock is because eccentric wear or come off when need changing right overhead, as long as with body footstock dismounting and change from the body of the cutting head, do not need to change whole cutterhead.Owing to compare with whole cutterhead, the weight and volume of a body footstock is much smaller, so in the small space of down-hole, be easier to dismounting and installation, has reduced the replacing time, has improved production efficiency.In addition, the cost of a body footstock has also been saved cost widely well below whole cutterhead.
On the other hand, the invention allows for a kind of development machine, be provided with above-mentioned any split type cutterhead on this development machine.
Because split type cutterhead has above-mentioned effect, also has corresponding technique effect so have the development machine of this split type cutterhead.
Description of drawings
The accompanying drawing that consists of a part of the present invention is used to provide a further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the cross-sectional schematic of the split type cutterhead embodiment of the present invention;
Fig. 2 is the cross-sectional schematic along A-A line among Fig. 1;
Fig. 3 is the perspective view of the split type cutterhead embodiment of the present invention;
Fig. 4 is the another perspective view of the split type cutterhead embodiment of the present invention.
Description of reference numerals:
1 the body of the cutting head
2 pick boxs
3 picks
4 body footstocks
5 top wire holes
6 key bars
61 arc sections
62 outer arcuate sections
63 straightways
The specific embodiment
Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the present invention can make up mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Referring to Fig. 1 to Fig. 4, there is shown the preferred embodiment of the split type cutterhead of the present invention.Cutterhead among this embodiment is used for development machine.As shown in the figure, this split type cutterhead comprises the body of the cutting head 1, a body footstock 4, cut seat 2 and pick 3.
Wherein, the body of the cutting head 1 is used for being connected with the cutting arm of development machine, and a body footstock 4 removably is connected in this body of the cutting head 1, and pick 3 is connected in this body of the cutting head 1 and this body footstock 4 by this pick box 2.
Particularly, the body of the cutting head 1 be connected after body footstock 4 removably connects, pick box 2 can be fixed in according to corresponding hand of helix the surface of the body of the cutting head 1 and a body footstock 4.During implementation, pick box 2 can be welded on the surface of the body of the cutting head 1 and a body footstock 4, pick 3 is removably connected to pick box 2, the present invention between pick box 2 and the body of the cutting head 1 and the body footstock 4 and the concrete connected mode between pick 3 and the pick box 2 do not do restriction.
In the present embodiment, cutterhead is divided into the body of the cutting head 1 and body footstock 4 two parts, and these two parts are removably connected.Wherein, a body footstock 4 is positioned at the front end of cutterhead, an end that namely is easy to wear and tear, and the cut seat on the body footstock 42 is because eccentric wear or come off when needing to change right overhead, as long as with a body footstock 4 dismounting and change from the body of the cutting head 1, do not need to change whole cutterhead.
Owing to compare with whole cutterhead, the weight and volume of a body footstock 4 is much smaller, so in the small space of down-hole, be easier to dismounting and installation, has reduced the replacing time, has improved production efficiency.In addition, the cost of a body footstock 4 has also been saved cost widely well below whole cutterhead.
In above-described embodiment, removably connecting between the body of the cutting head 1 and the body footstock 4 is preferably key and connects.Particularly, be provided with key bar 6 and keyway (not shown) on a body footstock 4 and the body of the cutting head 1, and, key bar 6 and keyway positioned opposite, a body footstock 4 and the body of the cutting head 1 were realized removably connecting by this key bar 6 and cooperating of keyway.
Particularly, referring to Fig. 2, a body footstock 4 is provided with three key bars 6 near an end of the body of the cutting head 1, and three key bars 6 along the circumferential direction evenly distribute centered by the axis of this body footstock 4; The body of the cutting head 1 is provided with three keyways facing on the end face of a body footstock 4 corresponding to key bar 6, and keyway along the circumferential direction evenly distributes centered by the axis of the body of the cutting head 1.During installation, a body footstock 4 and the body of the cutting head 1 coaxial arrangement are so that key bar 6 correspondences on the body footstock 4 are embedded in the keyway on the body of the cutting head 1.Preferably, the cross section of key bar 6 and keyway is fan-shaped, and fan shaped cross section comprises: arc section 61, outer arcuate section 62 and be positioned at this arc section 61 and the straightway 63 at outer arcuate section 62 two ends.
During implementation, key bar 6 can be welded in an end face of body footstock 4, also can with a body footstock 4 molding structure that is processed as one, to increase bulk strength.
Certainly, a body footstock 4 also can removably connect by known other of those skilled in the art with the body of the cutting head 1 and be connected, and such as the bolt connection etc., the mode that specifically removably connects of the correct body footstock 4 of the present invention and the body of the cutting head 1 is not done restriction.
In the present embodiment, on a body footstock 4 and the body of the cutting head 1, key bar 6 and keyway are set respectively, by the cooperation of key bar 6 and keyway, have realized quick-detachment and assembling between the body of the cutting head 1 and the body footstock 4.In addition, a body footstock 4 bears larger radial load in cutting course, and key in the present embodiment connects not only that correct body footstock 4 and the body of the cutting head 1 position, and simultaneously, a power that body footstock 4 bears can also be passed to the body of the cutting head 1 in operation process.
Need to prove, the situation of three key bars 6 has been shown among Fig. 2, in fact, during implementation, three can, two can, unnecessary three situation is also passable, the present invention does not do restriction to its concrete quantity.
In addition, in unloading process, be convenient to apply to a body footstock 4 and make its power of separating with the body of the cutting head 1, can also be further improved the various embodiments described above, namely a body footstock 4 offers the top wire hole 5 that runs through this body footstock 4 vertically.
When body footstock 4 is dismantled, use stay bolt and spanner by the top wire hole on the body footstock 4 a body footstock 4 to be ejected, it is separated with the body of the cutting head 1, and then separate with cutting arm of tunneling machine, thereby realize the quick-detachment of a body footstock 4.
In the installation process of key bar 6 and keyway, for the two is positioned, can also between key bar 6 and keyway, be provided with the bolt for the location.Particularly, be provided with bolt hole at key bar 6 and keyway, during installation, bolt inserted in the bolt hole on key bar 6 and the keyway, so that the two is positioned.
The pick 3 that the cut main shaft of development machine drives on the body of the cutting head 1 and the body footstock 4 carries out the cut operation.If the pick box on the body footstock 4 of cutterhead front end eccentric wear occurs or comes off, use stay bolt and spanner by the top wire hole on the body footstock 4 a body footstock 4 to be ejected, a body footstock 4 is disassembled, then change a new body footstock 4 and assemble with the body of the cutting head 1.
Can find out by above-described embodiment, two parts before and after the embodiment of the invention is divided into cutterhead, be the body of the cutting head 1 and a body footstock 4, and arrange according to different picks on the body of the cutting head 1 and a body footstock 4 key bar and keyway are set respectively, and the cooperation by key bar and keyway realizes quick-detachment and the assembling of the body of the cutting head 1 and a body footstock 4; When the pick box on the body footstock 4 of cutterhead front end produces eccentric wear or come off the needs replacing, as long as Tool for detaching body footstock 4 does not need to change whole cutterhead, reduced widely the replacing time, in addition, the embodiment of the invention is simple in structure, low cost of manufacture.
The invention allows for a kind of development machine, be provided with above-mentioned any split type cutterhead on this development machine.Wherein, the specific implementation process of split type cutterhead gets final product with reference to above-mentioned explanation, and the present invention does not repeat them here.
Because split type cutterhead has above-mentioned effect, also has corresponding technique effect so have the development machine of this split type cutterhead.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a split type cutterhead is used for development machine, it is characterized in that, comprising:
The body of the cutting head (1) is used for being connected with the cutting arm of described development machine;
Body footstock (4) removably is connected in described the body of the cutting head (1);
Pick box (2) and pick (3), described pick (3) is connected in described the body of the cutting head (1) and described body footstock (4) by described pick box (2).
2. split type cutterhead according to claim 1 is characterized in that,
Be respectively arranged with key bar (6) and keyway on described body footstock (4) and the described the body of the cutting head (1);
Described body footstock (4) and described the body of the cutting head (1) were realized removably connecting by described key bar (6) and cooperating of described keyway.
3. split type cutterhead according to claim 2 is characterized in that, is provided with the bolt for the location between described key bar (6) and the described keyway.
4. split type cutterhead according to claim 2 is characterized in that,
Described key bar (6) along the circumferential direction evenly distributes centered by the axis of described body footstock (4);
Described keyway along the circumferential direction evenly distributes centered by the axis of described the body of the cutting head (1).
5. split type cutterhead according to claim 2, it is characterized in that, the cross section of described key bar (6) and described keyway is fan-shaped, and described fan shaped cross section comprises: arc section (61), outer arcuate section (62) and be positioned at described arc section (61) and the straightway (63) at outer arcuate section (62) two ends.
6. split type cutterhead according to claim 2 is characterized in that, described key bar (6) is welded in described body footstock (4) or is formed in one with described body footstock (4).
7. split type cutterhead according to claim 1 is characterized in that, described pick box (2) is welded in described the body of the cutting head (1) and described body footstock (4).
8. each described split type cutterhead in 7 according to claim 1 is characterized in that described body footstock (4) offers the top wire hole (5) that runs through described body footstock (4) vertically.
9. a development machine is characterized in that, is provided with each described split type cutterhead in the claim 1 to 8 on the described development machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210556038.8A CN103046926B (en) | 2012-12-18 | 2012-12-18 | Development machine and split type cutterhead thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210556038.8A CN103046926B (en) | 2012-12-18 | 2012-12-18 | Development machine and split type cutterhead thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103046926A true CN103046926A (en) | 2013-04-17 |
| CN103046926B CN103046926B (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210556038.8A Active CN103046926B (en) | 2012-12-18 | 2012-12-18 | Development machine and split type cutterhead thereof |
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| Country | Link |
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| CN (1) | CN103046926B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266890A (en) * | 2013-04-02 | 2013-08-28 | 三一重型装备有限公司 | Heading machine cutting head and heading machine |
| CN108104809A (en) * | 2017-12-11 | 2018-06-01 | 三重型装备有限公司 | The body of the cutting head, cutterhead and development machine |
| CN110159293A (en) * | 2019-06-05 | 2019-08-23 | 辽宁工程技术大学 | A kind of brill milling formula tunneling machine cutting experiment mechanism |
| CN114941533A (en) * | 2022-07-22 | 2022-08-26 | 山西天地煤机装备有限公司 | Split excavator and connection method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2211280B1 (en) * | 1972-03-09 | 1973-04-05 | Salzgitter Maschinen AG, 3327 Salz gitter Bad | THREADING TOOL FOR A MINING NICHE DRIVING OR EXTRACTION MACHINE |
| US3958832A (en) * | 1972-06-30 | 1976-05-25 | Vereinigte Osterreichische Eisen- Und Stahlwerke-Alpine Montan Aktiengesellschaft | Drum mining head with cutter pattern |
| GB1482396A (en) * | 1974-10-29 | 1977-08-10 | Eickhoff Geb | Cutter drums for heading machines |
| CN201810307U (en) * | 2010-09-17 | 2011-04-27 | 凯盛重工有限公司 | Cutting mechanism for heading machine |
| CN201924923U (en) * | 2010-12-27 | 2011-08-10 | 三一重型装备有限公司 | Roadheader and cantilever operation mechanism thereof |
-
2012
- 2012-12-18 CN CN201210556038.8A patent/CN103046926B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2211280B1 (en) * | 1972-03-09 | 1973-04-05 | Salzgitter Maschinen AG, 3327 Salz gitter Bad | THREADING TOOL FOR A MINING NICHE DRIVING OR EXTRACTION MACHINE |
| US3958832A (en) * | 1972-06-30 | 1976-05-25 | Vereinigte Osterreichische Eisen- Und Stahlwerke-Alpine Montan Aktiengesellschaft | Drum mining head with cutter pattern |
| GB1482396A (en) * | 1974-10-29 | 1977-08-10 | Eickhoff Geb | Cutter drums for heading machines |
| CN201810307U (en) * | 2010-09-17 | 2011-04-27 | 凯盛重工有限公司 | Cutting mechanism for heading machine |
| CN201924923U (en) * | 2010-12-27 | 2011-08-10 | 三一重型装备有限公司 | Roadheader and cantilever operation mechanism thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266890A (en) * | 2013-04-02 | 2013-08-28 | 三一重型装备有限公司 | Heading machine cutting head and heading machine |
| CN103266890B (en) * | 2013-04-02 | 2015-07-08 | 三一重型装备有限公司 | Heading machine cutting head and heading machine |
| CN108104809A (en) * | 2017-12-11 | 2018-06-01 | 三重型装备有限公司 | The body of the cutting head, cutterhead and development machine |
| CN110159293A (en) * | 2019-06-05 | 2019-08-23 | 辽宁工程技术大学 | A kind of brill milling formula tunneling machine cutting experiment mechanism |
| CN114941533A (en) * | 2022-07-22 | 2022-08-26 | 山西天地煤机装备有限公司 | Split excavator and connection method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103046926B (en) | 2015-10-28 |
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