CN205591923U - Mining toothholder of high abrasion combination - Google Patents
Mining toothholder of high abrasion combination Download PDFInfo
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- CN205591923U CN205591923U CN201620111263.4U CN201620111263U CN205591923U CN 205591923 U CN205591923 U CN 205591923U CN 201620111263 U CN201620111263 U CN 201620111263U CN 205591923 U CN205591923 U CN 205591923U
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- toothholder
- wearing plate
- mining
- high abrasion
- boss
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Abstract
The utility model relates to a mining toothholder of high abrasion combination, the antifriction plate and with highest still being provided with of toothholder matched with base is used for fixing the fastener of toothholder, the antifriction plate still is provided with the fastening mounting hole that holds fastener and pass, the orthographic projection of the lateral surface on toothholder head top is glossy curve, the lateral surface orthographic projection on antifriction plate top also is glossy curve, the antifriction plate top is rather than the place coplanar distance between the centre of a circle of mounting hole is greater than toothholder head top and place coplanar distance between the centre of a circle of mounting hole, the bottom surface of antifriction plate with and state the toothholder head and all weld the wearing layer that the tungsten carbide coarse grain constitutes. Form the protection to the installation base member of mining blade holder and blade holder, further improved the wear resistance of antifriction plate with mining toothholder, the flat rate of change of reducing wear and toothholder, base.
Description
Technical field
This utility model belongs to the auxiliary products field of mining winning apparatus, is specifically related to a kind of high abrasion and combines mining tooth
Seat.
Background technology
Coal is called coal-cutting machinery by adopting the machinery fallen in coal seam, primarily now has drum shearer and shearing
Machine, what the use of current China was most is drum shearer, also has a small amount of coal plough, the mining height scope of drum shearer
Greatly, to various coal seams strong adaptability, can cut hard coal, and adapt to more complicated roof and floor condition thus obtained widely should
With, the operating mechanism of drum shearer tool, it is simply that coal-cutting machinery declines and the mechanism of shipment coal, uses helix drum, spiral shell
The cutter (pick) of rotating drum is contained on the tool rest of cylinder, cylinder rotate and along rib move time, pick cutting coal, its break
The pressure that rock mechanism provides for relying on coal-winning machine makes rotation dig the hard alloy injection coal bed of tooth head, and coal seam is carried out cut,
Wherein the mounting seat of pick is mining toothholder, and pick handle is arranged in the head installing hole of mining toothholder, pick head (cone
Face position) for cutting the groundwork face in coal seam, mining toothholder is installed in the base, and then integral solder is on cylinder, is adopting
During pick, pick and toothholder are by the impact in coal seam and friction, and mining toothholder and mounting seat are caused abrasion, above-mentioned for solving
Problem, the method used at present mainly has: 1, the head top surface at mining toothholder arranges antifriction alloy, and 2, at the head of mining toothholder
Portion's end face build-up wear-resistant layer.Mining tool rest is that mounting seat is being placed in base for installing the mounting seat of mining cutter in mining process
In Zuo, integral solder is on miner drum outer wall, and becomes helical arrangement, and the most domestic mining tool rest put goods on the market is only
Vertical entirety, wherein head forms an angle with shank, the toothholder of the type in the course of the work due to preposition work surface directly and
Ore bed contacts, and grinds, it is easy to cause the abrasion to whole preposition work surface, and the tool rest after abrasion is in follow-up use process
In must carry out repairing even changing.Prior art can form protection to pick toothholder, but still existence wears no resistance
Problem: the own anti-wear performance of high-abrasive material that first this technical scheme uses is the highest, and secondly wearing plate top exceeds toothholder, wear-resisting
Plate itself is easily subject to impact impaired.
Utility model content
In order to solve drawbacks described above, the purpose of this utility model is, it is provided that the combination of a kind of follow-on high abrasion is mining
Toothholder, makes the anti-wear performance of toothholder increase substantially with service life, saves manufacturing cost simultaneously.This utility model provides high resistance to
Mill combines mining toothholder, and including toothholder and the wearing plate being arranged on described toothholder, described toothholder includes head and shank, described
The head of toothholder is provided with the pick installing hole matched with pick, and described wearing plate is also equipped with diameter pacifies more than described pick
The installation through hole in dress hole, described wearing plate and the pedestal that matches with described toothholder are additionally provided with for fixing described toothholder
Clamp device, described wearing plate is additionally provided with and accommodates the fastening installing hole that clamp device passes, outside described toothholder apical head
The orthographic projection of side is smooth curve, and the lateral surface orthographic projection on described wearing plate top is also smooth curve, described wear-resisting
Distance between the center of circle of the conplane described installing hole in plate top and its place is more than described toothholder apical head and place
Distance between the center of circle of conplane described installing hole, the bottom surface of described wearing plate with and state toothholder head and be all welded with carbon
Change the wearing layer that tungsten coarse granule is constituted.
As the further improvement of this utility model embodiment, described tungsten carbide coarse grained a diameter of 0.5～5mm.
As the further improvement of this utility model embodiment, described clamp device is fastening bolt, and described fastening is pacified
Dress hole is two and symmetrical with centrage for line of symmetry.
As the further improvement of this utility model embodiment, the outer peripheral face of described installing hole is provided with and stretches out,
And upwardly extending first boss for location and installation described in wearing plate parallel with the outer peripheral face stating installing hole, described boss
Lower section is provided with the second boss, and the orthographic projection of the side elevation at the top of described second boss is circular arc, with described second boss
The relative bottom side facade in top is multiple interconnective rectangular surfaces or curved surface.
As the further improvement of this utility model embodiment, the diameter of described first boss is less than the second boss
Small size.
As the further improvement of this utility model embodiment, described wearing plate is divided into wearing plate left with centrage for boundary
Half part and wearing plate right half part, described wearing plate left-half and described wearing plate right half part are with centrage as symmetry
Line, symmetrical, described wearing plate is divided into wearing plate top half and wearing plate the latter half two parts, on described wearing plate
Forming an angle between half portion bottom surface place plane and place, bottom surface, wearing plate the latter half plane, angle is in the range of 150 °
～180 °.
As the further improvement of this utility model embodiment, the area of described wearing plate top half bottom surface is less than resistance to
The area of bottom surface, nog plate the latter half.
As the further improvement of this utility model embodiment, the tip side facade of described wearing plate top half is just
Being projected as circular arc, the orthographic projection of the bottom end side facade of described wearing plate the latter half is straight line.
As the further improvement of this utility model embodiment, described wearing plate top half and described wearing plate lower half
The side elevation of part is the side elevation that multiple orthographic projection is smooth curve or straight line and connects composition, described wearing plate top half
Round-corner transition or chamfered transition it is provided with in junction with the side elevation of described wearing plate the latter half.
As the further improvement of this utility model embodiment, being shaped as of described wearing plate top half is similar to two
The individual prismatoid being superimposed, described wearing plate the latter half be shaped as being similar to prismatoid, the described wearing plate first half
Point and the straight line that orthographic projection is smooth and continuous of place, junction side elevation of described wearing plate the latter half or curve.
The beneficial effects of the utility model:
In prior art, the head top surface at toothholder arranges antifriction alloy: the enforcement of this technical scheme not only strengthens and produces into
This, and alloy is set and is easily subject to impact and comes off；At the head top surface built-up welding tradition wearing layer (Gao Ge of toothholder in prior art
Wearing layer): the anti-wear performance of this technical scheme wearing layer is the highest, and protection domain is restricted simultaneously.Of the present utility model mainly
Can by the welding of wearing plate and the welding of this new material of tungsten carbide coarse granule wearing layer, strengthen mining toothholder and
The protection of the mounting seat (bottom base, this pedestal is welded direct on mining cylinder) of mining toothholder, reduces mining toothholder and ore deposit
By the replacement frequency of the mounting seat of toothholder, improve both service life, save mining cost.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；Fig. 2 is wear-resisting plate structure schematic diagram of the present utility model；Fig. 3
For the wear-resisting schematic diagram that hardens of the present utility model；Fig. 4 is the head construction schematic diagram of toothholder of the present utility model；Fig. 5 is this reality
With the head construction schematic diagram of novel toothholder；Fig. 6 is the head construction schematic diagram of toothholder of the present utility model；Fig. 7 is this reality
With the head construction schematic diagram of novel toothholder.
Detailed description of the invention
Below with reference to detailed description of the invention shown in the drawings, this utility model is described in detail.But these embodiment party
Formula is not limiting as this utility model, structure that those of ordinary skill in the art is made according to these embodiments, method or
Conversion functionally is all contained in protection domain of the present utility model.
In each diagram of the application, for the ease of diagram, some size of structure or part can be tied relative to other
Structure or part are exaggerated, and therefore, are only used for illustrating the basic structure of the theme of the application.
It addition, used herein such as " on ", " top ", D score, the representation space such as " lower section " relative to the term of position be
A unit as shown in the drawings or feature are described relative to another unit or feature for being easy to descriptive purpose
Relation.The term of relative space position can be intended to include equipment use or in work in addition to orientation shown in figure not
Same orientation.Such as, if by figure equipment overturn, then be described as being located at other unit or feature " lower section " or " under "
Unit will be located in other unit or feature " top ".Therefore, exemplary term " lower section " can include above and below both
Orientation.Equipment can otherwise be directed (90-degree rotation or other towards), and correspondingly explains used herein and empty
Between relevant description language.
High abrasion involved by this utility model combines mining toothholder, welds wearing plate 2 on the basis of original mining tool rest,
The design of wearing plate 2 meets the abrasion mechanism in mining process, and to the pedestal of toothholder 3 and toothholder, (pedestal is directly welded at ore deposit
With on cylinder) form wear-resistant protection；
2, be the welded and installed of wearing plate 2, original toothholder 3 is made corresponding improvement, i.e. the head of toothholder 3 processes
One the first boss 14-1, plays the installation positioning action of wearing plate；
3, toothholder 3 with all weld tungsten carbide coarse granule wearing layer 1 on wearing plate 2, the selection of this high-abrasive material can be significantly
Improve the service life of wearing plate 2, and convenient welding is quick；
4, the welding expanded range of wearing layer is to the head top surface of mining toothholder 3, and after weld, wearing layer cladding
The linear top face curved surface of the linear top face curved surface of wearing plate 2 and the head of mining toothholder 3, strengthens further to wearing plate
2 matrixes and the protection of mining toothholder 3.
Concrete, described high abrasion combines mining toothholder 3, including toothholder 3 and the wearing plate 2 being arranged on described toothholder 3,
Described toothholder 3 includes that head and shank, the head of described toothholder 3 are provided with the pick installing hole 14-3 matched with pick, institute
Stating wearing plate 2 and be also equipped with the diameter installation through hole 12 more than described pick installing hole 14-3, described toothholder 3 passes through clamp device
Being fixed on the pedestal coordinated with described toothholder 3, described wearing plate 2 is additionally provided with and accommodates the fastening installing hole that clamp device passes
7, the orthographic projection of the lateral surface of described toothholder 3 apical head is smooth curve, the lateral surface orthographic projection on described wearing plate 2 top
Also being smooth curve, the distance between the center of circle of the conplane described installing hole in described wearing plate 2 top and its place is big
Distance between the center of circle of the conplane described installing hole of described toothholder 3 apical head and place, the end of described wearing plate 2
Face with and state toothholder 3 head and be all welded with the wearing layer that tungsten carbide coarse granule is constituted.Described tungsten carbide is coarse grained a diameter of
0.5～5mm.Described clamp device is fastening bolt, and described fastening installing hole 7 is two and right with centrage for line of symmetry left and right
Claim.The effect of clamp device is combination this integral installation of tool rest of this utility model on the pedestal of toothholder 3, on pedestal
Arranging the screwed hole that bolt passes through, the combination tool rest of this utility model is placed in the installing hole of pedestal, and then bolt passes through spiral shell
Keyhole compresses location the combination tool rest of this utility model.
.The outer peripheral face of described installing hole is provided with and stretches out, and parallel with the outer peripheral face stating installing hole upwardly extending
First boss 14-1, the lower section of described boss is provided with the second boss 14-2, the side elevation at the top of described second boss 14-2
Orthographic projection be circular arc, the bottom side facade relative with the top of described second boss 14-2 is multiple interconnective rectangular surfaces
Or curved surface.The diameter of the described first boss 14-1 minimum dimension less than the second boss 14-2.Described wearing plate 2 is with centrage
It is divided into wearing plate left-half and wearing plate right half part, described wearing plate left-half and described wearing plate right half part for boundary
With centrage as line of symmetry, symmetrical, described wearing plate 2 is divided into wearing plate top half 4 and 5 liang, wearing plate the latter half
Part, place, described wearing plate top half 4 bottom surface plane becomes a clamp between the plane of place, bottom surface, wearing plate the latter half 5
Angle, angle is in the range of 150 °～180 °.The area of described wearing plate top half 4 bottom surface is less than the end, wearing plate the latter half 5
The area in face.The orthographic projection of the tip side facade of described wearing plate top half 4 is circular arc, described wearing plate the latter half 5
The orthographic projection of bottom end side facade is straight line.The side elevation of described wearing plate top half 4 and described wearing plate the latter half 5 is
Multiple orthographic projections are that the side elevation of smooth curve or straight line connects composition, under described wearing plate top half 4 and described wearing plate
The side elevation of half part 5 is provided with round-corner transition or chamfered transition in junction.Being shaped as of described wearing plate top half 4
Be similar to two prismatoids being superimposed, described wearing plate the latter half 5 be shaped as being similar to prismatoid, described wear-resisting
The straight line that orthographic projection is smooth and continuous of place, the junction side elevation of plate top half 4 and described wearing plate the latter half 5 or
Curve.First the execution of this technical scheme forms protection to the installation matrix of mining tool rest and tool rest, and secondly wearing layer uses
New material tungsten carbide coarse granule wearing layer, further increases the anti-wear performance of wearing plate and mining toothholder, reduces abrasion and tooth
Seat, the flat rate of replacing of pedestal.
For more well-known explanation technology contents of the present utility model, said the most further
Bright.
With reference to Fig. 1, this utility model is created a kind of high abrasion provided and is combined mining toothholder, by the following technical solutions:
It includes tungsten carbide coarse granule wearing layer 1 and wearing plate matrix 2 and mining toothholder 3, described tungsten carbide coarse granule wearing layer
It is welded on preposition work surface and the head of described mining toothholder of described wearing plate matrix 2, described wearing plate matrix 2
Being welded on the head of mining toothholder 3, after having welded, tungsten carbide coarse granule wearing layer 1 is welded in unification again；Described tungsten carbide is thick
Granule wearing layer 1, tungsten carbide coarse granule particle diameter is 0.5～5mm；
Referring to the drawings 2, described wearing plate matrix 2 is an entirety, is the steel plate that one piece of anti-wear performance is good, for same
Wear-resisting steel plate processes, including upper and lower two parts, i.e. wearing plate top half 4 shown in figure and wearing plate the latter half
5, wearing plate top half 4 shows as up-narrow and down-wide structure, and wherein said 13 are the lateral surface of toothholder apical head, toothholder head
Lateral surface 13 both sides on top, portion are with the centrage of wearing plate matrix 2 as line of symmetry, symmetrical two planes 11, and two
Form an angle between individual plane 11 γ, and angular range is 90 °～180 °, and the bottom of two planes 13 connects two planes 10,
And two planes 10 are symmetrical about the centrage of wearing plate matrix 2, and it is parallel to each other between two planes 10, wherein said
Plane 10 and described plane 11 between be round-corner transition, chamfered transition any one, two plane 10 bottoms connect two
Plane 9, two planes 9 about and two planes 10 symmetrical about the centrage of wearing plate matrix 2, and two planes 9 it
Between be parallel to each other, plane 10 and plane 9 can need to be processed as between same plane or two in processing according to concrete engineering
Connect for symmetrical scalene cone, and between each face be round-corner transition, chamfered transition any one, wearing plate top half
4 are additionally provided with center of circle installation through hole 12 on centerline, and the diameter installing through hole 12 adapts with needing pick to be mounted.
Described wearing plate the latter half 5 side elevation includes that symmetrical two plane 9(planes 9 are that wearing plate top half 4 is with resistance to
Nog plate the latter half 5 collectively constitutes), two planes 8, and be round-corner transition, chamfered transition between plane 9 and plane 8, put down for two
Form an angle between face 8 α, and angular range is 0 °～90 °, and the bottom surface of wearing plate the latter half 5 is plane 6, plane 6 and plane
Between 8 be round-corner transition, chamfered transition any one, wearing plate the latter half 5 is additionally provided with about about wearing plate matrix 2
Centrage symmetrical fastening installing hole 7, fastening installing hole 7 can be set to according to specific needs two manholes, one
Individual rectangular through-hole.
With reference to Fig. 3, form an angle between described wearing plate top half 4 and wearing plate the latter half 5 β, angle model
Enclose is 150 °～180 °；
With reference to Fig. 4-Fig. 5, described mining toothholder 3 includes head 14 and shank 15, and wherein head 14 becomes one with shank 15
Clamp angle, angular range is 90 °～180 °, and head 14 includes ledge structure and pick installing hole 14-3, and ledge structure includes
First boss 14-1 and bottom the second boss 14-2, the first boss 14-1 is cylindrical boss, and diameter is less than the second boss 14-2
Minimum dimension, the second boss 14-2 in the side, top 14 of toothholder head be orthographic projection be the curved surface 14-6 of circular arc, with top
Orthographic projection be the side relative for curved surface 14-6 of circular arc be multiple interconnective rectangular surfaces, orthographic projection be appointing of the curved surface of circular arc
One, is provided with two planes 14-5 of symmetry, the first boss in the left and right sides beyond the curved surface 14-16 that orthographic projection is circular arc
It is round-corner transition between 14-1 and the second boss 14-2；
With reference to Fig. 5-Fig. 7, described shank 15 mainly includes that side elevation 15-1, bolt hold out against platform 15-2 and pick is installed
Hole 15-3, two of which side 15-1 shape forms an angle, the installation dimension that the pedestal that angle and mining toothholder are installed is arranged
Adapting, pick installing hole 15-3 size is more than the shank diameter of institute's pick setting；
With reference to Fig. 6, two described plane 14-5 heads to be highlighted 14 and shank 15.
Although the foregoing describing detailed description of the invention of the present utility model, it will be appreciated by those of skill in the art that
These are merely illustrative of, and protection domain of the present utility model is defined by the appended claims.Those skilled in the art
These embodiments, on the premise of without departing substantially from principle of the present utility model and essence, can be made numerous variations or repair by member
Change, but these changes and amendment each fall within protection domain of the present utility model.
It is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises one
Individual independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should will say
Bright book is as an entirety, and the technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can
With other embodiments understood.
The a series of detailed description of those listed above is only for the tool of feasibility embodiment of the present utility model
Body illustrates, they are also not used to limit protection domain of the present utility model, all is made without departing from this utility model skill spirit
Within equivalent implementations or change should be included in protection domain of the present utility model.
Claims (9)
1. high abrasion combines a mining toothholder, and including toothholder and the wearing plate being arranged on described toothholder, described toothholder includes
Head and shank, the head of described toothholder is provided with the pick installing hole matched with pick, and described wearing plate is also equipped with directly
Footpath more than the installation through hole of described pick installing hole, described wearing plate and the pedestal that matches with described toothholder is additionally provided with use
In the clamp device of fixing described toothholder, described wearing plate is additionally provided with and accommodates the fastening installing hole that clamp device passes, described
The orthographic projection of the lateral surface of toothholder apical head is smooth curve, it is characterised in that the lateral surface on described wearing plate top is just
Projection is also smooth curve, the distance between the center of circle of the conplane described installing hole in described wearing plate top and its place
More than the distance between the center of circle of the conplane described installing hole of described toothholder apical head and place, the end of described wearing plate
Face with and state toothholder head and be all welded with the wearing layer that tungsten carbide coarse granule is constituted.
2. high abrasion as claimed in claim 1 combines mining toothholder, it is characterised in that described tungsten carbide is coarse grained a diameter of
0.5～5mm.
3. high abrasion as claimed in claim 1 combines mining toothholder, it is characterised in that described clamp device is fastening bolt,
Described fastening installing hole is two and symmetrical with centrage for line of symmetry.
4. high abrasion as claimed in claim 1 combines mining toothholder, it is characterised in that the outer peripheral face of described installing hole is provided with
Stretch out, and upwardly extending first boss for location and installation described in wearing plate parallel with the outer peripheral face stating installing hole,
The lower section of described boss is provided with the second boss, and the orthographic projection of the side elevation at the top of described second boss is circular arc, with described
The bottom side facade that the top of the second boss is relative is multiple interconnective rectangular surfaces or curved surface.
5. high abrasion as claimed in claim 4 combines mining toothholder, it is characterised in that the diameter of described first boss is less than the
The minimum dimension of two boss.
6. high abrasion as claimed in claim 1 combines mining toothholder, it is characterised in that described wearing plate divides with centrage for boundary
For wearing plate left-half and wearing plate right half part, described wearing plate left-half and described wearing plate right half part with center
Line is line of symmetry, symmetrical, and described wearing plate is divided into wearing plate top half and wearing plate the latter half two parts, described
Form an angle between wearing plate top half bottom surface place plane and place, bottom surface, wearing plate the latter half plane, the model of angle
Enclose is 150 °～180 °.
7. high abrasion as claimed in claim 6 combines mining toothholder, it is characterised in that described wearing plate top half bottom surface
Area is less than the area of bottom surface, wearing plate the latter half.
8. high abrasion as claimed in claim 6 combines mining toothholder, it is characterised in that the top of described wearing plate top half
The orthographic projection of side elevation is circular arc, and the orthographic projection of the bottom end side facade of described wearing plate the latter half is straight line.
9. high abrasion as claimed in claim 6 combines mining toothholder, it is characterised in that described wearing plate top half and described
The side elevation of wearing plate the latter half is the side elevation that multiple orthographic projection is smooth curve or straight line and connects composition, described wear-resisting
The side elevation of plate top half and described wearing plate the latter half is provided with round-corner transition or chamfered transition in junction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016200716389 | 2016-01-26 | ||
| CN201620071638 | 2016-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205591923U true CN205591923U (en) | 2016-09-21 |
Family
ID=56927587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620111263.4U Active CN205591923U (en) | 2016-01-26 | 2016-02-04 | Mining toothholder of high abrasion combination |
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| Country | Link |
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| CN (1) | CN205591923U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735985A (en) * | 2016-01-26 | 2016-07-06 | 山东天工岩土工程设备有限公司 | Mining high-abrasion-resistant combination toothholder |
| CN106758725A (en) * | 2016-12-27 | 2017-05-31 | 苏州凯通工程机械有限公司 | A kind of Novel milling machine tool rest base systems |
-
2016
- 2016-02-04 CN CN201620111263.4U patent/CN205591923U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735985A (en) * | 2016-01-26 | 2016-07-06 | 山东天工岩土工程设备有限公司 | Mining high-abrasion-resistant combination toothholder |
| CN106758725A (en) * | 2016-12-27 | 2017-05-31 | 苏州凯通工程机械有限公司 | A kind of Novel milling machine tool rest base systems |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high wear-resistant combined mining gear seat Effective date of registration: 20221130 Granted publication date: 20160921 Pledgee: Qilu bank Limited by Share Ltd. Liaocheng Development Zone Branch Pledgor: SOUTHERN ENGINEERING SERVICES Pty Ltd. Registration number: Y2022980024224 |