CN109555533A - A kind of coal mining boom-type roadheader - Google Patents
A kind of coal mining boom-type roadheader Download PDFInfo
- Publication number
- CN109555533A CN109555533A CN201910060698.9A CN201910060698A CN109555533A CN 109555533 A CN109555533 A CN 109555533A CN 201910060698 A CN201910060698 A CN 201910060698A CN 109555533 A CN109555533 A CN 109555533A
- Authority
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- China
- Prior art keywords
- cutting
- cutting tooth
- feed
- movable part
- snap ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 239000003245 coal Substances 0.000 title claims abstract description 25
- 238000005065 mining Methods 0.000 title claims abstract description 18
- 230000001154 acute effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 2
- 239000011435 rock Substances 0.000 abstract description 20
- 238000000034 method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
- E21D9/104—Cutting tool fixtures
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to coal mining equipment technical fields, and disclose a kind of coal mining boom-type roadheader, including attachment base, and the top of attachment base is equipped with cutting seat, and the inner wall of cutting seat is connected with elastic component.Pass through the oblique setting of feed control flume inner wall, when cutting tooth being made to be subjected to the axial force of huge left direction, movable part provides the active force of a radial direction for feed snap ring, make feed snap ring radial deformation, feed snap ring inner space becomes larger and separates with feed control flume, movable part can be in the inside of feed snap ring play to the left, and then make cutting tooth from the internal slide of trend cutting seat, reduce the depth of cut of cutting tooth, realize the purpose of the stiffness changing cutting tooth depth of cut according to tunnel inner wall rock stratum and coal seam, the cutting tooth depth of cut is variable, cutting tooth can be cut and be crushed for different hardness rock stratum, cutting odontotripsis speed is slow, cutting tooth is replaced without frequent shutdown, improve development machine working efficiency.
Description
Technical field
The present invention relates to coal mining equipment technical field, specially a kind of coal mining boom-type roadheader.
Background technique
Boom-type roadheader is the engineering machinery that tunnel is excavated in coal mining, mainly by cutting mechanism, loader mechanism, fortune
Transfer mechanism, walking mechanism, rack and revolving platform, hydraulic system, electrical system, cooling dirt water system and the operation control system of going out
The composition such as system, cutting mechanism are made of transmission shaft, cutterhead etc., and cutterhead includes cutterhead main body, cutting seat and cutting tooth, are cut
It cuts the surface of a main body and cutting seat is equipped with welding form or bolt fixed form, installed on cutting seat by fixing clasp
There is cutting tooth, as shown in figure 5, still this mounting means between cutting seat and cutting tooth still has following ask in use
Topic:
1, it is connected between cutting tooth and cutting seat by fixing clasp, cutting tooth is fixed, makes the depth of cut of cutting tooth
Can not suitably it be changed according to the hardness of tunnel inner wall rock stratum, cutting tooth is cut and broken to different hardness rock stratum by force
Broken, cutting odontotripsis speed is fast, and frequent shutdown is needed to replace cutting tooth, reduces the working efficiency of development machine.
2, the hardness for encountering rock stratum when cutting tooth is too big, more than cutting tooth specified cutting hardness when, cutting tooth is by huge
Big cutting resistance prevents cutterhead from normal rotation, and cutting tooth is very easy to torsional deformation at this time, needs to shut down to deformation
Cutting tooth is replaced, and the working efficiency of development machine is reduced.
In view of the above-mentioned problems, the present invention provides a kind of coal mining boom-type roadheaders.
Summary of the invention
The present invention provides a kind of coal mining boom-type roadheaders, which being capable of root
According to the stiffness changing depth of cut of tunnel inner wall rock stratum, cutting tooth is avoided to crush by force to different hardness rock stratum, cutting tooth mill
It is fast to damage speed, the problem of needing frequent shutdown to replace cutting tooth, reduce development machine working efficiency, while reducing and cutting
The resistance being subject in tooth operation is cut, cutting tooth is avoided by huge cutting resistance, prevents cutterhead from normal rotation, cause
Cutting tooth torsional deformation needs to shut down the problem of replacing to the cutting tooth of deformation, reduce development machine working efficiency.
The invention provides the following technical scheme: a kind of coal mining boom-type roadheader, including attachment base, the connection
The top of seat is equipped with cutting seat, and the inner wall of the cutting seat is connected with elastic component, and the other end of the elastic component is equipped with piston plate,
The outer of piston plate and the inner wall of cutting seat are slidably connected, and the inside of the cutting seat is equipped with the positioning being located on the right side of piston plate
Plate, the right end of the cutting seat are equipped with clamping cap, and the right end of the clamping cap is equipped with cutting tooth, and the left end of the cutting tooth extends
To cutting seat inside and be connected with movable part, the surface of the movable part offers feed control flume, the feed control flume
Quantity be two, the inside of a feed control flume is equipped with feed snap ring, the inside of the cutting seat be equipped be located at into
Spacing collar on the right side of knife snap ring, the spacing collar and movable part pivot bush unit.
Further, the cutting tooth includes crushing teeth, the outside of the crushing teeth and clamping cap pivot bush unit, described broken
The right end of broken tooth is equipped with limit plate, and the right side of the limit plate is equipped with connector, and the left end of the crushing teeth extends to cutting seat
Inside, the outside of the crushing teeth offers the fixed card slot inside cutting seat, and the inside of the fixed card slot is equipped with
Fixing clasp.
Further, the diameter value of the movable part is less than the diameter value of crushing teeth.
Further, the left side of the positioning plate offers movable span compatible with movable part, the movable span
Inner diameter values are adapted with movable part.
Further, the acute angle formed between feed control flume left side and horizontal plane is less than on the right side of feed control flume
Acute angle is formed between face and horizontal plane.
Further, the shape of the feed snap ring inner surface is adapted with feed control flume.
Further, the feed snap ring is limited between positioning plate and spacing collar.
The present invention have it is following the utility model has the advantages that
1, the setting oblique by feed control flume inner wall, makes cutting tooth be subjected to the axial force of huge left direction
When, movable part provides the active force of a radial direction for feed snap ring, makes feed snap ring radial deformation, and feed snap ring inner space becomes
Big and separate with feed control flume, movable part can be in the inside of feed snap ring play to the left, and then makes cutting tooth from trend section
The internal slide of seat is cut, the depth of cut of cutting tooth is reduced, is cut to realize according to the stiffness changing in tunnel inner wall rock stratum and coal seam
The purpose of the tooth depth of cut is cut, the cutting tooth depth of cut is variable, and cutting tooth can be cut and be crushed for different hardness rock stratum, cuts
It is slow to cut odontotripsis speed, cutting tooth is replaced without frequent shutdown, improves development machine working efficiency.
2, the setting that can be changed according to tunnel inner wall rock stratum and seam hardness by the cutting tooth depth of cut, makes cutting
When tooth encounters the biggish rock stratum of hardness and coal seam, cutting tooth can reduce the depth of cut automatically, to reduce the fortune that cutting tooth is subject to
Row resistance, and continue to continue rock stratum or coal seam to cut and broken, cutting tooth will not torsional deformation, without shutting down to deformation
Cutting tooth is replaced, and development machine working efficiency is improved.
3, feed control flume right side and water are less than by the acute angle formed between feed control flume left side and horizontal plane
The setting that acute angle is formed between plane, feed snap ring is greater than movable part to the resistance of feed control flume when moving downward movable part
Feed snap ring provides a stable stress point to the resistance of feed control flume for movable part, it is ensured that cutting tooth when moving right
When normal work will not play, while guaranteeing that movable part can push cutting tooth to be restored under the elastic force of compressive state elastic component
The position of the maximum depth of cut, it is ensured that when rock stratum and lower seam hardness, development machine being capable of high-efficient homework.
Detailed description of the invention
The structure chart of Fig. 1 mounting means between existing cutting tooth and cutting seat；
Fig. 2 is schematic structural view of the invention；
Fig. 3 is the front view of Fig. 1；
Fig. 4 is the structure chart of fixing clasp in Fig. 1；
Fig. 5 is the structure chart of feed snap ring in Fig. 1；
Fig. 6 is the sectional structure chart in Fig. 5 at A-A.
In figure: 1- attachment base, 2- cutting seat, 3- elastic component, 4- piston plate, 5- positioning plate, 6- clamping cap, 7- cutting tooth,
701- crushing teeth, 702- limit plate, 703- connector, 704- fixed card slot, 705- fixing clasp, 8- movable part, 9- feed control
Slot processed, 10- feed snap ring, 11- spacing collar.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, a kind of coal mining boom-type roadheader, including attachment base 1, the top of the attachment base 1
Equipped with cutting seat 2, the inner wall of the cutting seat 2 is connected with elastic component 3, and elastic component 3 is in compressive state, the elastic component 3
The other end is equipped with piston plate 4, and the outer of piston plate 4 and the inner wall of cutting seat 2 are slidably connected, and the inside of the cutting seat 2 is equipped with
Positioning plate 5 positioned at 4 right side of piston plate, the right end of the cutting seat 2 are equipped with clamping cap 6, and the right end of the clamping cap 6, which is equipped with, to be cut
Tooth 7 is cut, the left end of the cutting tooth 7 extends to the inside of cutting seat 2 and is connected with movable part 8, and the surface of the movable part 8 is opened
Equipped with feed control flume 9, the quantity of the feed control flume 9 is two, and the inside of a feed control flume 9 is equipped with feed
Snap ring 10, the inside of the cutting seat 2 are equipped with the spacing collar 11 for being located at 10 right side of feed snap ring, the spacing collar 11 and movable part
8 pivot bush units.
The cutting tooth 7 includes crushing teeth 701, and outside and 6 pivot bush unit of clamping cap of the crushing teeth 701 are described broken
The right end of broken tooth 701 is equipped with limit plate 702, and the right side of the limit plate 702 is equipped with connector 703, a left side for the crushing teeth 701
End extends to the inside of cutting seat 2, and the outside of the crushing teeth 701 offers the fixed card slot 704 inside cutting seat 2,
The inside of the fixed card slot 704 is equipped with fixing clasp 705, the setting being clamped using fixed card slot 704 and fixing clasp 705,
Cutting tooth 7 is limited, cutting tooth 7 is not fallen off.
The diameter value of the movable part 8 is less than the diameter value of crushing teeth 701, makes crushing teeth 701 and 8 junction shape of movable part
At a stop collar, the maximum distance moved downward to cutting tooth 7 is limited.
The left side of the positioning plate 5 offers movable span compatible with movable part 8, the inner diameter values of the movable span with
Movable part 8 is adapted, and movable part 8 is enable to move freely in the inside of movable span, it is ensured that cutting tooth 7 can be smoothly moved to the left
With move right.
The acute angle formed between 9 left side of feed control flume and horizontal plane is less than 9 right side of feed control flume and water
Acute angle is formed between plane, feed snap ring 10 is greater than movable part 8 to the resistance of feed control flume 9 when moving downward movable part 8
Feed snap ring 10 provides a stable stress point to the resistance of feed control flume 9 for movable part 8, it is ensured that cut when moving right
Cut when tooth 7 works normally will not play, while guaranteeing that movable part 8 can push section under the elastic force of compressive state elastic component 3
Cut the position that tooth 7 is restored to the maximum depth of cut, it is ensured that when rock stratum and lower seam hardness, development machine being capable of high-efficient homework.
The shape of 10 inner surface of feed snap ring is adapted with feed control flume 9, make the inner surface of feed snap ring 10 with
The inner wall of feed control flume 9 is bonded to each other, and is increased the contact area between feed control flume 9 and feed snap ring 10, is made feed control
Active force between slot 9 and feed snap ring 10 processed maximizes, it is ensured that cutting tooth 7 will not play when working normally.
The feed snap ring 10 is limited between positioning plate 5 and spacing collar 11, makes feed snap ring 10 will not be with activity
The movement of part 8 and move, it is ensured that feed snap ring 10 can stick into feed control flume 9 automatically when movable part 8 moves right, to cutting
Tooth 7 is limited, and guaranteeing will not play when cutting tooth 7 works normally.
When work, cutting tooth 7 rotates under the drive of cutterhead and the rock stratum to tunnel inner wall or coal seam carry out cutting and
Broken, cutting tooth 7 is made 7 movable part 8 of cutting tooth provide an active force to the left by an axial force to the left at this time,
When 7 cutting of cutting tooth and broken rock stratum or seam hardness increase, the axial force that cutting tooth 7 is subject to increases, and makes cutting tooth 7
The active force that movable part 8 provides increases, when this active force is greater than 9 inner wall of feed control flume for the shape of 10 compressive strain of feed snap ring
When variable force and elastic component 3 are to the sum of the elastic force of movable part 8, the radial deformation of feed snap ring 10 makes 10 inner space of feed snap ring
Become larger and separated with feed control flume 9, movable part 8 can in the inside of feed snap ring 10 play to the left, and then make cutting tooth 7 from
The internal slide of trend cutting seat 2, the depth of cut for reducing cutting tooth 7 (avoid 7 depth of cut of cutting tooth immutable, cutting tooth 7 is by force
Different hardness rock stratum to be cut and is crushed, 7 rate of wear of cutting tooth is fast, and need frequent shutdown to replace cutting tooth,
The problem of reducing development machine working efficiency), when hard rock stratum or coal seam cutting and it is broken after, rock stratum or coal seam it is hard
Degree reduces, and the axial force that cutting tooth 7 is subject to reduces, and the elastic force of elastic component 3 is greater than feed snap ring 10 when movable part 8 moves right
The sum of the axial force that resistance and cutting tooth 7 to feed control flume 9 are subject to pushes away elastic component 3 by piston plate 4 and movable part 8
Dynamic cutting tooth 7 moves right, and cutting tooth 7 is restored to maximum depth of cut position, it is ensured that when rock stratum and lower seam hardness, development machine
It being capable of high-efficient homework.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of coal mining boom-type roadheader, including attachment base (1), it is characterised in that: the top of the attachment base (1)
Equipped with cutting seat (2), the inner wall of the cutting seat (2) is connected with elastic component (3), and the other end of the elastic component (3), which is equipped with, lives
Seben (4), the inside of the cutting seat (2) are equipped with the positioning plate (5) being located on the right side of piston plate (4), the right side of the cutting seat (2)
End is equipped with clamping cap (6), and the right end of the clamping cap (6) is equipped with cutting tooth (7), and the left end of the cutting tooth (7), which extends to, to be cut
Cut the inside of seat (2) and be connected with movable part (8), the surface of the movable part (8) offers feed control flume (9), it is described into
The quantity of knife control flume (9) is two, and the inside of a feed control flume (9) is equipped with feed snap ring (10), the cutting
The inside of seat (2) is equipped with the spacing collar (11) being located on the right side of feed snap ring (10), the spacing collar (11) and movable part (8) activity
Socket.
2. a kind of coal mining boom-type roadheader according to claim 1, it is characterised in that: the cutting tooth (7)
Including crushing teeth (701), the outside of the crushing teeth (701) and clamping cap (6) pivot bush unit, the right side of the crushing teeth (701)
End is equipped with limit plate (702), and the right side of the limit plate (702) is equipped with connector (703), the left end of the crushing teeth (701)
The inside of cutting seat (2) is extended to, the outside of the crushing teeth (701) offers the fixed card slot internal positioned at cutting seat (2)
(704), the inside of the fixed card slot (704) is equipped with fixing clasp (705).
3. a kind of coal mining boom-type roadheader according to claim 1 or 2, it is characterised in that: the movable part
(8) diameter value is less than the diameter value of crushing teeth (701).
4. a kind of coal mining boom-type roadheader according to claim 1, it is characterised in that: the positioning plate (5)
Left side offer with movable part (8) compatible movable span, the inner diameter values of the movable span are adapted with movable part (8).
5. a kind of coal mining boom-type roadheader according to claim 1, it is characterised in that: the feed control flume
(9) acute angle formed between left side and horizontal plane is less than feed control flume (9) and forms acute angle between right side and horizontal plane.
6. a kind of coal mining boom-type roadheader according to claim 1, it is characterised in that: the feed snap ring
(10) shape of inner surface is adapted with feed control flume (9).
7. a kind of coal mining boom-type roadheader according to claim 1 or 4, it is characterised in that: the feed card
Ring (10) is limited between positioning plate (5) and spacing collar (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060698.9A CN109555533A (en) | 2019-01-16 | 2019-01-16 | A kind of coal mining boom-type roadheader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910060698.9A CN109555533A (en) | 2019-01-16 | 2019-01-16 | A kind of coal mining boom-type roadheader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109555533A true CN109555533A (en) | 2019-04-02 |
Family
ID=65873838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910060698.9A Pending CN109555533A (en) | 2019-01-16 | 2019-01-16 | A kind of coal mining boom-type roadheader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109555533A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943280A (en) * | 2021-02-05 | 2021-06-11 | 胡春花 | Tunneling device for coal mining |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0142124A2 (en) * | 1983-11-15 | 1985-05-22 | Stranovsky Schweisstechnik und Apparatebau GmbH | Heading machine with controlled revolving picks |
| CN2797632Y (en) * | 2005-04-18 | 2006-07-19 | 三一重型装备有限公司 | Telescopic cutting pick |
| CN203321518U (en) * | 2013-07-10 | 2013-12-04 | 安徽理工大学 | Mining heading machine cutting assembly |
| CN103835713A (en) * | 2014-03-17 | 2014-06-04 | 湖南荣威煤机制造有限公司 | Cutting device of heading machine |
| CN104929636A (en) * | 2015-05-08 | 2015-09-23 | 中国矿业大学 | Method for designing geometrical size of coal cutter chain cutting part cutting tooth |
| CN107542462A (en) * | 2016-06-29 | 2018-01-05 | 常州先悦国际贸易有限公司 | A kind of pick device, cutting mechanism and Coal Mechanical |
| WO2018040458A1 (en) * | 2016-09-05 | 2018-03-08 | 李仕清 | Composite rotary-cutting mining machine |
| CN207999246U (en) * | 2018-03-13 | 2018-10-23 | 邵春瑞 | A kind of cutting means for coalcutter |
| CN209818068U (en) * | 2019-01-16 | 2019-12-20 | 滕州市金达煤炭有限责任公司 | Cantilever type tunneling machine for coal mining |
-
2019
- 2019-01-16 CN CN201910060698.9A patent/CN109555533A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0142124A2 (en) * | 1983-11-15 | 1985-05-22 | Stranovsky Schweisstechnik und Apparatebau GmbH | Heading machine with controlled revolving picks |
| CN2797632Y (en) * | 2005-04-18 | 2006-07-19 | 三一重型装备有限公司 | Telescopic cutting pick |
| CN203321518U (en) * | 2013-07-10 | 2013-12-04 | 安徽理工大学 | Mining heading machine cutting assembly |
| CN103835713A (en) * | 2014-03-17 | 2014-06-04 | 湖南荣威煤机制造有限公司 | Cutting device of heading machine |
| CN104929636A (en) * | 2015-05-08 | 2015-09-23 | 中国矿业大学 | Method for designing geometrical size of coal cutter chain cutting part cutting tooth |
| CN107542462A (en) * | 2016-06-29 | 2018-01-05 | 常州先悦国际贸易有限公司 | A kind of pick device, cutting mechanism and Coal Mechanical |
| WO2018040458A1 (en) * | 2016-09-05 | 2018-03-08 | 李仕清 | Composite rotary-cutting mining machine |
| CN207999246U (en) * | 2018-03-13 | 2018-10-23 | 邵春瑞 | A kind of cutting means for coalcutter |
| CN209818068U (en) * | 2019-01-16 | 2019-12-20 | 滕州市金达煤炭有限责任公司 | Cantilever type tunneling machine for coal mining |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943280A (en) * | 2021-02-05 | 2021-06-11 | 胡春花 | Tunneling device for coal mining |
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