CN103046926B - Development machine and split type cutterhead thereof - Google Patents

Development machine and split type cutterhead thereof Download PDF

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Publication number
CN103046926B
CN103046926B CN201210556038.8A CN201210556038A CN103046926B CN 103046926 B CN103046926 B CN 103046926B CN 201210556038 A CN201210556038 A CN 201210556038A CN 103046926 B CN103046926 B CN 103046926B
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CN
China
Prior art keywords
head
footstock
cutterhead
split type
cutting head
Prior art date
Application number
CN201210556038.8A
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Chinese (zh)
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CN103046926A (en
Inventor
韩冰
朱朋飞
应明
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三一重型装备有限公司
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Priority to CN201210556038.8A priority Critical patent/CN103046926B/en
Publication of CN103046926A publication Critical patent/CN103046926A/en
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Publication of CN103046926B publication Critical patent/CN103046926B/en

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Abstract

The invention discloses a kind of development machine and split type cutterhead thereof.Wherein, split type cutterhead comprises the body of the cutting head, head 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; Head body footstock is removably connected to described the body of the cutting head; Pick is connected to described the body of the cutting head and described head body footstock by described pick box.Cutterhead is divided into the body of the cutting head and head body footstock two parts by the present invention, and these two parts are removably connected, head body footstock is positioned at the front end of cutterhead, cut seat right overhead on body footstock due to eccentric wear or come off need to change time, as long as by head body footstock from dismounting and change the body of the cutting head, do not need to change whole cutterhead.Due to compared with whole cutterhead, the weight and volume of head body footstock is much smaller, so in the small space of down-hole, is easier to dismounting and installs, decreasing replacing construction, improve production efficiency.

Description

Development machine and split type cutterhead thereof
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 integrating the functions such as cut, shipment, walking, during development machine operation, carries out cut coal mining by the cutterhead of its front end.After 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, at present conventional method directly changes a new cutterhead, but because space, down-hole is narrow, and the weight and volume of cutterhead is larger, so down-hole dismounting and install cutterhead comparatively difficult, and the time expended in Renewal process is longer, has a strong impact on production efficiency; In addition, cutterhead cost is higher, due to cutterhead front end cut seat eccentric wear or come off and change whole cutterhead, cause 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 due to the cut seat wearing and tearing of cutterhead front end the problem of resource waste that whole cutterhead causes to solve existing cutterhead.
An aspect, the invention provides a kind of split type cutterhead, for development machine, comprises the body of the cutting head, head 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; Head body footstock is removably connected to described the body of the cutting head; Pick is connected to described the body of the cutting head and described head body footstock by described pick box.
Further, in above-mentioned split type cutterhead, described head body footstock and described the body of the cutting head are respectively arranged with key bar and keyway; Described head body footstock and described the body of the cutting head realize removably connecting with coordinating of described keyway by described key bar.
Further, in above-mentioned split type cutterhead, between described key bar and described keyway, be provided with the bolt for locating.
Further, in above-mentioned split type cutterhead, described key bar is along the circumferential direction uniformly distributed centered by the axis of described head body footstock; Described keyway is along the circumferential direction uniformly distributed centered by the axis of described the body of the cutting head.
Further, in 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 the straightway at described arc section and outer arcuate section two ends.
Further, in above-mentioned split type cutterhead, described key bar is welded in described head body footstock or is formed in one structure with described head body footstock.
Further, in above-mentioned split type cutterhead, described pick box is welded in described the body of the cutting head and described head body footstock.
Further, in above-mentioned split type cutterhead, described head body footstock offers the top wire hole running through described head body footstock vertically.
In the present invention, cutterhead is divided into the body of the cutting head and head body footstock two parts, wherein, head body footstock is positioned at the front end of cutterhead, namely the one end of wearing and tearing is easy to, cut seat right overhead on body footstock due to eccentric wear or come off need to change time, as long as by head body footstock from dismounting and change the body of the cutting head, do not need to change whole cutterhead.Due to compared with whole cutterhead, the weight and volume of head body footstock is much smaller, so in the small space of down-hole, is easier to dismounting and installs, decreasing replacing construction, improve production efficiency.In addition, the cost of head body footstock, well below whole cutterhead, has also saved cost widely.
On the other hand, the invention allows for a kind of development machine, this development machine is provided with any one split type cutterhead above-mentioned.
Because split type cutterhead has above-mentioned effect, so the development machine with this split type cutterhead also has corresponding technique effect.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation 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 in 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 present invention's split type cutterhead embodiment.
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
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
See Fig. 1 to Fig. 4, there is shown the preferred embodiment of the split type cutterhead of the present invention.Cutterhead in this embodiment is used for development machine.As shown in the figure, this split type cutterhead comprises the body of the cutting head 1, head body footstock 4, cut seat 2 and pick 3.
Wherein, the body of the cutting head 1 is for being connected with the cutting arm of development machine, and head body footstock 4 is removably connected to this body of the cutting head 1, and pick 3 is connected to this body of the cutting head 1 and this body footstock 4 by this pick box 2.
Specifically, after the body of the cutting head 1 is removably connected with head body footstock 4, pick box 2 can be fixed on the surface of the body of the cutting head 1 and head body footstock 4 according to corresponding hand of helix.During concrete enforcement, pick box 2 can be welded on the surface of the body of the cutting head 1 and head body footstock 4, pick 3 is removably connected to pick box 2, and the present invention does not limit pick box 2 and the concrete connected mode between the body of the cutting head 1 and head body footstock 4 and between pick 3 and pick box 2.
In the present embodiment, cutterhead is divided into the body of the cutting head 1 and head body footstock 4 two parts, and these two parts are removably connected.Wherein, head body footstock 4 is positioned at the front end of cutterhead, is namely easy to the one end of wearing and tearing, the cut seat 2 right overhead on body footstock 4 due to eccentric wear or come off need to change time, as long as by head body footstock 4 from dismounting and change the body of the cutting head 1, do not need to change whole cutterhead.
Due to compared with whole cutterhead, the weight and volume of head body footstock 4 is much smaller, so in the small space of down-hole, is easier to dismounting and installs, decreasing replacing construction, improve production efficiency.In addition, the cost of head body footstock 4, well below whole cutterhead, has also saved cost widely.
In above-described embodiment, the preferably key that removably connects between the body of the cutting head 1 and head body footstock 4 connects.Particularly, head body footstock 4 and the body of the cutting head 1 are provided with key bar 6 and keyway (not shown), and, key bar 6 and keyway positioned opposite, head body footstock 4 and the body of the cutting head 1 realize removably connecting with coordinating of keyway by this key bar 6.
Specifically, see Fig. 2, head body footstock 4 is provided with three key bars 6 near one end of the body of the cutting head 1, and three key bars 6 are along the circumferential direction uniformly distributed centered by the axis of this body footstock 4; The body of the cutting head 1 is provided with three keyways facing to the end face of head body footstock 4 corresponding to key bar 6, and keyway is along the circumferential direction uniformly distributed centered by the axis of the body of the cutting head 1.During installation, head body footstock 4 and the body of the cutting head 1 coaxially arranged, be embedded in the keyway on the body of the cutting head 1 to make key bar 6 correspondence on a body footstock 4.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 the straightway 63 at this arc section 61 and outer arcuate section 62 two ends.
During concrete enforcement, key bar 6 can be welded in an end face for body footstock 4, also can be processed as one molding structure with head body footstock 4, to increase bulk strength.
Certainly, head body footstock 4 and the body of the cutting head 1 also can be removably connected by known other of those skilled in the art and be connected, such as bolt connection etc., and the mode that specifically removably connects of the correct body footstock 4 of the present invention and the body of the cutting head 1 does not limit.
In the present embodiment, head body footstock 4 and the body of the cutting head 1 arrange key bar 6 and keyway respectively, by the cooperation of key bar 6 and keyway, achieve the quick-detachment between the body of the cutting head 1 and head body footstock 4 and assembling.In addition, head body footstock 4 bears larger radial load in cutting course, and the key in the present embodiment connects not only correct body footstock 4 and the body of the cutting head 1 and positions, and meanwhile, the power that head body footstock 4 bears in operation process can also be passed to the body of the cutting head 1.
It should be noted that, the situation of three key bars 6 has been shown in Fig. 2, in fact, when specifically implementing, three passable, and two passable, and the situation of unnecessary three is also passable, and the present invention does not limit its concrete quantity.
In addition, in order in unloading process, be convenient to apply to make its power be separated with the body of the cutting head 1 to head body footstock 4, can also be further improved the various embodiments described above, namely head body footstock 4 offers the top wire hole 5 running through this body footstock 4 vertically.
When head body footstock 4 is dismantled, use stay bolt and spanner to be ejected by head body footstock 4 by the top wire hole on head body footstock 4, make it be separated with the body of the cutting head 1, and then be separated with cutting arm of tunneling machine, thus realize the quick-detachment of head body footstock 4.
In the installation process of key bar 6 and keyway, in order to position the two, the bolt for locating can also be provided with between key bar 6 and keyway.Particularly, key bar 6 and keyway are provided with bolt hole, during installation, by the bolt hole on bolt insert key bar 6 and keyway, to position the two.
The cut main shaft of development machine drives the pick 3 on the body of the cutting head 1 and head body footstock 4 to carry out cut operation.If there is eccentric wear or come off in the pick box on the head body footstock 4 of cutterhead front end, stay bolt and spanner is used to be ejected by head body footstock 4 by the top wire hole on head body footstock 4, disassembled by head body footstock 4, the head body footstock 4 that then replacing one is new assembles with the body of the cutting head 1.
Can be found out by above-described embodiment, cutterhead is divided into front and back two parts by the embodiment of the present invention, i.e. the body of the cutting head 1 and head body footstock 4, and on the body of the cutting head 1 and head body footstock 4, key bar and keyway are set respectively according to the arrangement of different picks, and realize quick-detachment and the assembling of the body of the cutting head 1 and head body footstock 4 by the cooperation of key bar and keyway; Pick box on the head body footstock 4 of cutterhead front end produces eccentric wear or comes off when needing to change, as long as Tool for detaching body footstock 4, does not need to change whole cutterhead, greatly reduce replacing construction, in addition, embodiment of the present invention structure is simple, low cost of manufacture.
The invention allows for a kind of development machine, this development machine is provided with any one split type cutterhead above-mentioned.Wherein, the specific implementation process of split type cutterhead illustrates with reference to above-mentioned, and the present invention does not repeat them here.
Because split type cutterhead has above-mentioned effect, so the development machine with this split type cutterhead also has corresponding technique effect.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. a split type cutterhead, for development machine, is characterized in that, comprising:
The body of the cutting head (1), for being connected with the cutting arm of described development machine;
Head body footstock (4), is removably connected to described the body of the cutting head (1);
Pick box (2) and pick (3), described pick (3) is connected to described the body of the cutting head (1) and described head body footstock (4) by described pick box (2).
2. split type cutterhead according to claim 1, is characterized in that,
Described head body footstock (4) and described the body of the cutting head (1) are respectively arranged with key bar (6) and keyway;
Described head body footstock (4) and described the body of the cutting head (1) realize removably connecting with coordinating of described keyway by described key bar (6).
3. split type cutterhead according to claim 2, is characterized in that, is provided with the bolt for locating between described key bar (6) and described keyway.
4. split type cutterhead according to claim 2, is characterized in that,
Described key bar (6) is along the circumferential direction uniformly distributed centered by the axis of described head body footstock (4);
Described keyway is along the circumferential direction uniformly distributed 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 the straightway (63) at described arc section (61) and 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 head body footstock (4) or is formed in one with described head 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 head body footstock (4).
8. split type cutterhead according to any one of claim 1 to 7, is characterized in that, described head body footstock (4) offers the top wire hole (5) running through described head body footstock (4) vertically.
9. a development machine, is characterized in that, described development machine is provided with the split type cutterhead according to any one of claim 1 to 8.
CN201210556038.8A 2012-12-18 2012-12-18 Development machine and split type cutterhead thereof CN103046926B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201210556038.8A CN103046926B (en) 2012-12-18 2012-12-18 Development machine and split type cutterhead thereof

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CN103046926A CN103046926A (en) 2013-04-17
CN103046926B true CN103046926B (en) 2015-10-28

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2211280B1 (en) * 1972-03-09 1973-04-05 Cutting tool for a mining niche tunneling or mining 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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2211280B1 (en) * 1972-03-09 1973-04-05 Cutting tool for a mining niche tunneling or mining 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

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