CN105750014B - Crushing plant, shield machine, coal transporting breaking machine, crushing teeth assembly and its crushing teeth - Google Patents

Crushing plant, shield machine, coal transporting breaking machine, crushing teeth assembly and its crushing teeth Download PDF

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Publication number
CN105750014B
CN105750014B CN201610205274.3A CN201610205274A CN105750014B CN 105750014 B CN105750014 B CN 105750014B CN 201610205274 A CN201610205274 A CN 201610205274A CN 105750014 B CN105750014 B CN 105750014B
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CN
China
Prior art keywords
crushing teeth
crushing
denticle
roller
degree
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CN201610205274.3A
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Chinese (zh)
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CN105750014A (en
Inventor
方义飞
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上海通外科技发展有限公司
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Priority to CN201610205274.3A priority Critical patent/CN105750014B/en
Publication of CN105750014A publication Critical patent/CN105750014A/en
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Publication of CN105750014B publication Critical patent/CN105750014B/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/30Shape or construction of rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

Abstract

Crushing teeth disclosed by the invention, rake face include the class watt groove face of front and the guiding transition face at rear portion, the guiding transition face and the adjoining of class watt groove face and adjoiner is to seamlessly transit;The angle of class watt groove face and main flank intersection on the parallel longitudinal section of the crushing teeth direction of motion is between 5 degree to 60 degree;So that class watt groove face and the front of intersecting lens towards the direction of motion of the crushing teeth of main flank in inner concavity and make the front of rake face have two crowns at the both ends of the intersecting lens, to which the crushing teeth is in broken work, crown enters prior to intersecting lens adjacent thereto in material.The both ends of intersecting lens are burst apart by crown guiding corresponding material, to which the intersecting lens is sequentially entered by both ends to centre in the gap that material bursts apart, so broken efficiency is greatly improved.The present invention also provides the crushing teeth assembly using the crushing teeth and crushing toothed roller, coal transporting breaking machine, shield machine, the crushing plants using the crushing teeth assembly.

Description

Crushing plant, shield machine, coal transporting breaking machine, crushing teeth assembly and its crushing teeth
Technical field
This application involves crushing technology fields, more particularly to crushing teeth, while additionally providing a kind of crushing teeth Production method.The crushing teeth is mainly used in crushing plant, is such as used for coal transporting breaking machine, movable crusher and other crushers In.
The application further relates to the crushing teeth assembly using above-mentioned crushing teeth, and total using above-mentioned crushing teeth or crushing teeth At crushing toothed roller.In addition, crushing teeth above-mentioned, crushing teeth assembly and crushing toothed roller can be used to hold by being adaptively adjusted In the equipment of row excavation or headwork.
In addition, the application further relates to the coal transporting breaking machine using the crushing teeth or crushing teeth assembly, crushing toothed roller.It is aforementioned Crushing teeth, crushing teeth assembly and crushing toothed roller can also be applied to other various crushing plants in.
Background technology
In crushing plant, coal transporting breaking machine is a kind of engineering mechanical device for conveying and transporting for material, and is crushed Main material processing unit of the tooth assembly as coal transporting breaking machine, working performance are also increasingly subject to the extensive concern of people.Mesh Before, in the existing crushing teeth assembly course of work, it is pending or broken after the completion of material can be by being located under crushing teeth assembly The drag conveyer of side is conveyed, and the assembling structure of right existing crushing teeth assembly is complex, and its assembly volume is larger, Easily the material below crushing teeth assembly is formed in equipment running process and is squeezed, the active force formed in extrusion process It can be transferred to by material on the drag conveyer of lower section, the frictional force between drag conveyer associated component is caused to increase, and then accelerated The abrasion of its associated components even results in the accidents such as scraper plate is stuck, has seriously affected the overall operation stability of coal transporting breaking machine And continuity.
To improve above-mentioned technical problem, for example, publication No. provides for the Chinese invention patent application of 103406181 A of CN A kind of broken cutter tooth and corresponding crushing teeth assembly, publication No. provide for the Chinese invention patent application of 103433092 A of CN A kind of crushing teeth assembly.So practice in, the inventors discovered that using aforementioned invention institute for technical solution crushing teeth and be crushed The force structure of tooth assembly is unreasonable, and service life is not also as expected.
Therefore, how to improve and optimize the structure of crushing teeth with and preparation method thereof, keep its simple in structure, it is broken by means of this Broken tooth so that can reduce or avoid it to generate material perpendicular to material conveying direction using the crushing teeth assembly of the crushing teeth Extruding force, and/or broken more efficient and the service life is longer is that those skilled in that art are badly in need of solving at present Important technological problems.
Invention content
The purpose of the present invention includes providing a kind of crushing teeth, and the structure of the crushing teeth is simple, and crushing efficiency is high, low energy consumption. The crushing teeth is adapted to the crushing plants such as coal transporting breaking machine, movable crusher;But various occasions are can be used for, including dig The wide in range range of the equipment such as pick, coal mining, driving.A further object of the present invention is to provide a kind of being crushed for application crushing teeth Tooth assembly.Another purpose of the present invention further includes the crushing toothed roller using above-mentioned crushing teeth or crushing teeth assembly.The present invention's Purpose further includes the coal transporting breaking machine or movable crusher using above-mentioned crushing teeth or crushing teeth assembly, crushing toothed roller.
For this purpose, the present invention relates to a kind of crushing teeth, it is mainly used for crushing teeth assembly, including denticle, wherein the denticle The front end of upper surface has rake face, has main flank on the front end face of the denticle.
Preferably, the rake face includes the class watt groove face of front and the guiding transition face at rear portion, the guiding transition face It is to seamlessly transit with the class watt groove face adjoining and adjoiner;The class watt groove face and the main flank intersection with The crushing teeth direction of motion it is parallel or overlap longitudinal section on angle between 5 degree to 60 degree;Make the class watt groove face The front of the direction of motion with the intersecting lens of the main flank towards the crushing teeth is in inner concavity and makes the rake face Front there are two crowns at the both ends of the intersecting lens, when cutting work in other words in broken work to the crushing teeth its The crown of front end enters prior to the intersecting lens of the inner concavity adjacent thereto in material, and the intersecting lens is by the tooth Point guiding is stepped into from the both ends of the intersecting lens in material.
Preferably, the cross section of the class watt groove face is in arc-shaped, oval arcuation, star threadiness, catenary, Ke Laixian Shape, snail threadiness, cissoid threadiness, tractrix shape, cycloid shape, conchoid shape, tricuspid valve threadiness, spinning roller are linear, Lisa eats curve-like, Hyperbolia either two combination parabolic shapes or the class watt groove face cross section be circular arc, elliptic arc, parabola, Astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, roulette, Lisa eat song In line, hyperbola and straight line arbitrary combination either the combination of arbitrary three or arbitrary at least four combination.
Preferably, the guiding transition face is in and process guiding transition face recess parallel with the crushing teeth direction of motion In arc-shaped or oval arcuation, star threadiness, catenary, gram Lay threadiness, snail threadiness, cissoid on the longitudinal section of minimum point Threadiness, tractrix shape, cycloid shape, conchoid shape, tricuspid valve are linear, spinning roller is linear, Lisa eats curve-like, hyperbolia, two groups The parabolic shape of conjunction or the guiding transition face are recessed in and process guiding transition face parallel with the crushing teeth direction of motion It is circular arc on the longitudinal section of sunken minimum point, elliptic arc, parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, drags Object line, cycloid, conchoid, tricuspid valve line, roulette, Lisa are eaten arbitrary combination in curve, hyperbola and straight line or are appointed It anticipates the combination of three or arbitrary at least four combination, and with the radius of curvature of the class watt groove face adjoiner not less than should The depth of class watt groove face recess.
Preferably, the class watt groove face is in straight on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping Line.
Preferably, the class watt groove face is linear on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping Or camber line;Between the straight line is parallel with the front-rear direction of the denticle or the straight line and the upper surface of the denticle Angle be no more than 20 degree or no more than 15 degree, no more than 12 degree, no more than 10 degree, no more than 8 degree, no more than 7 degree, do not surpass 6 degree are crossed, is no more than 5 degree, is no more than 4 degree, is no more than 3 degree, is no more than 2 degree.
Preferably, the upper surface of the denticle is plane in addition to the rake face.
Preferably, the class watt groove face is in straight on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping Line, and the plane that the end line of two side of such watt of groove face or so is residing in addition to the rake face with the upper surface of the crushing teeth It overlaps.
Preferably, the left and right side of the denticle is mutually parallel.Preferably, the left side, right side are broken with described The upper surface of broken tooth plane residing in addition to the rake face is vertical.
Preferably, running through on the denticle has pilot hole, the extending direction of the axis of the pilot hole and the left side of the denticle Face, right side are perpendicular, which is relatively fixed by the locking member through the pilot hole with toothholder.
Preferably, the front end of the bottom surface of the denticle be equipped with toothholder it is matched, for preventing the denticle before The stopper that end is moved into the crushing teeth mounting hole of the toothholder, and the stopper is relatively fixed with the denticle or is Integral type.Preferably, the width of the stopper denticle is wide.
Preferably, there are one minor flanks for tool between the main flank and the bottom surface of the denticle;With the crushing teeth The direction of motion is parallel or the longitudinal section that overlaps on, angle between the minor flank and the main flank is less than the class watt slot Angle between face and the main flank.
Preferably, at least two minor flanks, each pair are equipped between the main flank and the bottom surface of the denticle Bottom surface of the flank from the main flank to the denticle is arranged successively;Parallel with the crushing teeth direction of motion or again On the longitudinal section of conjunction, the angle between each minor flank and the rake face is sequentially reduced by its distributing order, and each described Angle between minor flank and the rake face is respectively less than the angle between the class watt groove face and the main flank.
Preferably, the main flank is in plane or arcuate surface, inner concave.
Preferably, the cross section of the main flank is in arc-shaped, oval arcuation, star threadiness, catenary, Ke Laixian Shape, snail threadiness, cissoid threadiness, tractrix shape, cycloid shape, conchoid shape, tricuspid valve threadiness, spinning roller are linear, Lisa eats curve-like, Hyperbolia either two combination parabolic shapes or the main flank cross section be circular arc, elliptic arc, parabola, Astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, roulette, Lisa eat song In line, hyperbola and straight line arbitrary combination either the combination of arbitrary three or arbitrary at least four combination.
Preferably, on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping, the main flank is in circle Arcuation, oval arcuation, parabolic shape, star threadiness, catenary, gram Lay threadiness, snail threadiness, cissoid threadiness, tractrix shape, Cycloid shape, conchoid shape, tricuspid valve are linear, spinning roller is linear, Lisa eat curve-like either hyperbolia or for circular arc, elliptic arc, Parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, roulette, profit In Sa Ru curves, hyperbola and straight line arbitrary combination either the combination of arbitrary three or arbitrary at least four group It closes.
Preferably, the minor flank is in plane or arcuate surface, inner concave.
Preferably, the cross section of the minor flank is in arc-shaped, oval arcuation, star threadiness, catenary, Ke Laixian Shape, snail threadiness, cissoid threadiness, tractrix shape, cycloid shape, conchoid shape, tricuspid valve threadiness, spinning roller are linear, Lisa eats curve-like, Hyperbolia either two combination parabolic shapes or the minor flank cross section be circular arc, elliptic arc, parabola, Astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, roulette, Lisa eat song In line, hyperbola and straight line arbitrary combination either the combination of arbitrary three or arbitrary at least four combination.
Preferably, on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping, the minor flank is in circle Arcuation, oval arcuation, parabolic shape, star threadiness, catenary, gram Lay threadiness, snail threadiness, cissoid threadiness, tractrix shape, Cycloid shape, conchoid shape, tricuspid valve are linear, spinning roller is linear, Lisa eat curve-like either hyperbolia or for circular arc, elliptic arc, Parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, roulette, profit In Sa Ru curves, hyperbola and straight line arbitrary combination either the combination of arbitrary three or arbitrary at least four group It closes.
Preferably, the upper surface of the denticle is generally planar in addition to rake face.
In a kind of preferred technical solution, the rake face includes the class watt groove face of front and the guiding transition at rear portion Face, the guiding transition face and the class watt groove face adjoining and adjoiner are to seamlessly transit;After the class watt groove face and the master Angle of the knife face intersection on the longitudinal section that the crushing teeth direction of motion is parallel or overlaps is between 5 degree to 60 degree;Institute It is in combine that class watt groove face and the guiding transition face, which are stated, on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping Interior concave form;Make the class watt groove face and the intersecting lens of the main flank towards the direction of motion of the crushing teeth Front is in inner concavity and the front of the rake face is made to have two crowns at the both ends of the intersecting lens, to which this is broken Intersection of the crown of its front end prior to the inner concavity adjacent thereto when tooth cuts work in other words in broken work Line enters in material, and the intersecting lens is guided by the crown, stepped into material from the both ends of the intersecting lens.
Preferably, two crowns and the upper surface of the denticle plane residing in addition to the rake face overlap or Person is misaligned.
Preferably, two crowns are in three prismatic.
Preferably, the width of the intersecting lens of the inner concavity is less than the outer width of two crowns.
Preferably, the crown further includes preceding bevel, the phase of the inner end of the front end of line of the preceding bevel and the inner concavity Intersection intersection, outboard end side intersection corresponding with the denticle.
Preferably, the preceding bevel plane residing in addition to the rake face with the upper surface of the denticle overlaps, is flat Either intersection and the angle between the preceding bevel and the plane are no more than 20 degree or are no more than 15 degree, are no more than 12 row Degree, be no more than 10 degree, be no more than 8 degree, be no more than 7 degree, be no more than 6 degree, no more than 5 degree, no more than 4 degree, no more than 3 degree, no More than 2 degree.
Preferably, the front end of line of the preceding bevel and the upper surface of the denticle plane residing in addition to the rake face Overlap, parallel either intersection and angle between the front end of line and the plane be no more than 20 degree or no more than 15 degree, do not surpass 12 degree are crossed, is no more than 10 degree, is no more than 8 degree, is no more than 7 degree, is no more than 6 degree, is no more than 5 degree, is no more than 4 degree, is no more than 3 Degree is no more than 2 degree.
Preferably, the class watt groove face is equipped with chamfering or circle with the left side of the denticle and/or the intersection of right side Angle;And/or the intersection of the left side for being oriented to transition face and the denticle and/or right side is equipped with chamfering or fillet.
Preferably, the chamfering of class watt groove face both sides is using equidistant or Unequal distance chamfering;And/or the guiding transition face The chamfering of both sides is using equidistant or Unequal distance chamfering.
Preferably, along on the cross section of the class watt groove face, the chamfering of class watt groove face both sides and such Angle between watt groove face be no more than 150 degree or no more than 120 degree, be no more than 110 degree, no more than 105 degree, no more than 100 Degree is no more than 98 degree, is no more than 95 degree, is no more than 94 degree, is no more than 92 degree, is no more than 90 degree, is no more than 85 degree, is no more than 83 Degree is no more than 80 degree, is no more than 75 degree, is no more than 70 degree, is no more than 65 degree, is no more than 60 degree, is no more than 55 degree.
Preferably, be oriented on the cross section of transition face along perpendicular to described, the chamfering for being oriented to transition face both sides with Angle between the guiding transition face be no more than 150 degree or no more than 120 degree, no more than 110 degree, no more than 105 degree, do not surpass Cross 100 degree, be no more than 98 degree, be no more than 95 degree, be no more than 94 degree, no more than 92 degree, no more than 90 degree, no more than 85 degree, no More than 83 degree, be no more than 80 degree, be no more than 75 degree, be no more than 70 degree, no more than 65 degree, no more than 60 degree, no more than 55 degree.
Preferably, the chamfering of class watt groove face both sides is in the same plane;And/or the guiding transition face both sides Chamfering is on same curved surface.
Preferably, plane residing for the chamfering of class watt groove face both sides is mutually parallel;The guiding transition face both sides and/or Chamfering residing for curved surface be mutually parallel.
Preferably, the width of the class watt groove face is less than or equal to the width of the denticle.
Preferably, the class watt groove face is symmetrical about the central plane in the denticle width direction.
Preferably, the minimum point of the class watt groove face is located at the central plane in the denticle width direction and the denticle Left side between or the minimum point of the class watt groove face be located at central plane in the denticle width direction and the tooth Between the right side of body.
Preferably, the minimum point of the class watt groove face is located on the left side or right side of the denticle.
Preferably, either the chamfering on right side or rounding are to be gradually reduced or increase from front to back on the left of the rake face 's.
Preferably, either the chamfering on right side or rounding are gradually reduced from front to back on the left of the rake face, and It is decreased to zero position to be located on the guiding transition face or on the class watt groove face.
Preferably, curved vertical residing for the chamfering of the rake face left or right side is in the left side or the right side of the denticle Side.
Preferably, curved vertical residing for the chamfering on the right side of the rake face is flat in the center in the denticle width direction Face.
Preferably, the left side of the denticle is equipped with waist type groove one or rectangular channel one, arcuate recess one, U-lag one; And/or the right side of the denticle is equipped with waist type groove two or rectangular channel two, arcuate recess two, U-lag two.
Preferably, the upper surface of the denticle is equipped with rectangular channel three or waist type groove three, arcuate recess three, U-lag three, And/or the bottom surface of the denticle is equipped with rectangular channel four or waist type groove four, arcuate recess four, U-lag four.
Preferably, the denticle is casting or forging.Preferably, the denticle using bar or sheet fabrication and At.
Moreover, it relates to a kind of production method of crushing teeth, the crushing teeth is any of the above-described technical solution Described in crushing teeth, which includes:
Step 01, the preparation of the blank of the denticle, blanking or forging, casting;
Step 02, preparatory processing is carried out to blank, includes the preliminary working of shape;
Step 03, the blank Jing Guo preparatory processing is heat-treated, including modifier treatment;
Step 04, the blank through Overheating Treatment is finished, including:The processing of the left and right side of the denticle, The processing of the upper surface, the processing of the bottom surface, the processing of the front end face, the processing of the main flank, before described The processing of knife face;
Step 05, Surface hardening treatment carries out carburizing and quenching, nitride hardening or surface hardening to the rake face;
Wherein, the processing of the rake face uses a special-purpose milling cutter straight forming, the special-purpose milling cutter to have and the preceding knife The work department of the adaptable outer diameter in the cross section of the class watt groove face in face;In the section by the center of rotation of the special-purpose milling cutter, The work department is in arc-shaped, oval arcuation, star threadiness, catenary, gram Lay threadiness, snail is linear, cissoid is linear, drags object Threadiness, cycloid shape, conchoid shape, tricuspid valve threadiness, the throwings that spinning roller is linear, Lisa eats curve-like, hyperbolia or two combinations Object is linear, or is circular arc, elliptic arc, parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, pendulum Line, conchoid, tricuspid valve line, roulette, Lisa eat arbitrary combination in curve, hyperbola and straight line or arbitrary three's Combination or arbitrary at least four combination;When processing the rake face, rear end feed of the special-purpose milling cutter from the rake face Along straight line, milling is in place forward or milling is in place backward or the special-purpose milling cutter is from the preceding knife by front end feed along straight line later After the rear end feed in face successively along camber line, the milling of straight line forward end in place or by front end feed successively along straight line, camber line backward End milling is in place.
Preferably, when the special-purpose milling cutter is along line milling, which is inclined, and the straight line is located at the denticle Front end at it is vertical most short to plane residing for the denticle upper surface.
Moreover, it relates to which a kind of crushing teeth, the crushing teeth include denticle, which includes the left side being mutually parallel Side and right side, the upper surface being mutually parallel and bottom surface, with the upper surface main flank at an acute angle and positioned at should The front end of minor flank between main flank and bottom surface, the upper surface has rake face, and the crushing teeth by making as follows Method is made, which includes:
Step 01, the preparation of the blank of the denticle, blanking or forging, casting;
Step 02, preparatory processing is carried out to blank, includes the preliminary working of shape;
Step 03, the blank Jing Guo preparatory processing is heat-treated, including modifier treatment;
Step 04, the blank through Overheating Treatment is finished, including:The processing of the left and right side of the denticle, The processing of the upper surface, the processing of the bottom surface, the processing of the front end face, the processing of the main flank, before described The processing of knife face;
Step 05, Surface hardening treatment carries out carburizing and quenching, nitride hardening or surface hardening to the rake face;
Wherein, the processing of the rake face uses a special-purpose milling cutter straight forming, the special-purpose milling cutter to have and the preceding knife The work department of the adaptable outer diameter in the cross section in face;In the section by the center of rotation of the special-purpose milling cutter, the work department In arc-shaped, oval arcuation, star threadiness, catenary, gram Lay threadiness, snail threadiness, cissoid threadiness, tractrix shape, cycloid Shape, conchoid shape, tricuspid valve threadiness, the parabolic shapes that spinning roller is linear, Lisa eats curve-like, hyperbolia or two combinations, or Person is circular arc, elliptic arc, parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, three Cusp line, roulette, Lisa are eaten in curve, hyperbola and straight line arbitrary combination and either the combination of arbitrary three or are appointed The combination of meaning at least four;When processing the rake face, the special-purpose milling cutter is from after the rear end feed of the rake face along straight line Forward milling in place or by front end feed along straight line backward milling in place or the special-purpose milling cutter from the rear end of the rake face into After knife successively along camber line, the milling of straight line forward end in place or by front end feed successively along straight line, the milling of camber line rear end in place.
Preferably, when the special-purpose milling cutter is along line milling, which is inclined, and the straight line is located at the denticle Front end at it is vertical most short to plane residing for the denticle upper surface.
Preferably, in the work department further include chamfering section for processing chamfering.
Preferably, the special-purpose milling cutter can also adopt the following technical scheme that replacement:The special-purpose milling cutter have with it is described before The work department of the adaptable outer diameter in the bottom of knife face;In the section by the center of rotation of the special-purpose milling cutter, the work department packet Include arc section and straightway;When processing the rake face, the rotary centerline of aforementioned special-purpose milling cutter is along the front and back of the denticle To, the special-purpose milling cutter by the top of the denticle front end towards the denticle feed, a knife, that is, plastic rake face.
The invention further relates to crushing teeth assembly, which includes mutually matched crushing teeth and toothholder, wherein The crushing teeth is the crushing teeth described in any of the above-described technical solution.
The invention further relates to a kind of crushing toothed rollers, including broken shaft assembly, are provided with roller on the broken shaft assembly, institute It states and is provided with several crushing teeth assemblies on roller, the crushing teeth assembly is that the crushing teeth described in any of the above-described technical solution is total At.
Preferably, several crushing teeth assemblies are set to according to the arrangement form of combined crosswise on the roller, the friendship The arrangement form of fork combination is to divide original row's crushing teeth assembly on the same helix of roller in the way of interval Onto two helixes, also this means that N row's crushing teeth assemblies on the same circumference of roller are distributed on 2N helix.
Preferably, on the same circumference of the roller number of rows N of crushing teeth assembly numerical value be 3-10, preferably 5.
It is described broken the invention further relates to a kind of coal transporting breaking machine, including mutually matched drag conveyer and crushing toothed roller Broken discaling roll is the crushing toothed roller described in any of the above-described technical solution.
Furthermore the invention further relates to a kind of movable crusher, include crushing toothed roller on removable body or Multiple crushing teeth assemblies, the crushing teeth assembly are the crushing teeth assembly described in any of the above-described technical solution, the crushing teeth Roller is the crushing toothed roller described in any of the above-described technical solution.
It is described broken furthermore the invention further relates to a kind of crushing plant, including crushing toothed roller or multiple crushing teeth assemblies Tooth assembly is the crushing teeth assembly described in any of the above-described technical solution, and the crushing toothed roller is institute in any of the above-described technical solution The crushing toothed roller stated.
In addition, above-mentioned crushing teeth can be used for executing in the equipment of driving or excacation, such as development machine, adopt In the equipment such as coal machine, shield machine.At this point, due to the difference of residing subdivision technical field the industry, crushing teeth is commonly referred to as Tunneling gear or shield cutter tooth;Correspondingly, crushing teeth assembly is also referred to as tunneling gear assembly or shield cutter tooth assembly, crushing teeth Roller mutually should be tunneling gear roller or shield cutter tooth roller.It is preceding when above-mentioned crushing teeth is applied in development machine, coalcutter, shield machine The crushing teeth title stated is adjusted to tunneling gear, and either shield cutter tooth, crushing teeth assembly are adjusted to tunneling gear assembly or shield cutter tooth Assembly, crushing toothed roller are adjusted to driving discaling roll or shield cutter tooth roller;This means that the present invention also provides corresponding picks Into tooth, shield cutter tooth, tunneling gear assembly, shield cutter tooth assembly, driving discaling roll, shield cutter tooth roller and apply aforementioned any technology Development machine, coalcutter, the shield machine of scheme.
Wherein, above-mentioned parabolic shape, star threadiness, catenary, gram Lay threadiness, snail are linear, cissoid is linear, drag object It refers in line above-mentioned that threadiness, cycloid shape, conchoid shape, tricuspid valve threadiness, spinning roller threadiness, Lisa, which eat curve-like or hyperbolia, One section of suitable line, rather than use complete line style, can specifically be chosen by technical staff.For example, parabolic shape refers to One section on the parabola of interception, for another example, hyperbolia refers to one section on the hyperbola of interception.
Relative to above-mentioned background technology, beneficial effects of the present invention approximately as.
1. a kind of crushing teeth of the present invention, since the rake face includes class watt groove face and the rear portion of front Transition face, the guiding transition face and the class watt groove face adjoining and adjoiner are oriented to seamlessly transit;The class watt groove face with Angle of the main flank intersection on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping is at 5 degree to 60 degree Between;So that the front of the direction of motion of the class watt groove face and the intersecting lens of the main flank towards the crushing teeth is in indent Shape and make the rake face front the both ends of the intersecting lens have two crowns, to the crushing teeth in breaker The crown of its front end enters material prior to the intersecting lens of the inner concavity adjacent thereto when cutting work when making in other words In, and the intersecting lens is guided by the crown, is stepped into material from the both ends of the intersecting lens.The both ends of the intersecting lens by The crown guiding corresponding material is burst apart, to which the intersecting lens is sequentially entered by both ends to centre in the gap that material bursts apart, institute Broken efficiency is greatly improved.
2. a kind of crushing teeth of the present invention, due to being oriented to transition face parallel with the crushing teeth direction of motion or again It is not less than such watt of groove face in arc-shaped or oval arcuation on the longitudinal section of conjunction and with the radius of curvature of class watt groove face adjoiner The depth of recess.Consequently facilitating the steering of material.
3. a kind of crushing teeth of the present invention, since class watt groove face is parallel with the crushing teeth direction of motion or coincidence On longitudinal section linearly, and the straight line is parallel with the front-rear direction of denticle;The upper surface of denticle is plane in addition to rake face; The class watt groove face is linear on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping, and such watt of groove face The plane that the end line of two sides of left and right is residing in addition to the rake face with the upper surface of the crushing teeth overlaps.To greatest extent Raising the denticle working portion intensity, prolong the service life.
4. a kind of crushing teeth of the present invention, since rake face includes the class watt groove face of front and the guiding at rear portion Face is crossed, the guiding transition face and the class watt groove face adjoining and adjoiner is to seamlessly transit;The class watt groove face and the master Angle of the flank intersection on the longitudinal section that the crushing teeth direction of motion is parallel or overlaps is between 5 degree to 60 degree; The class watt groove face and the guiding transition face are in group on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping The form of the interior concave closed;Make the direction of motion of the class watt groove face and the intersecting lens of the main flank towards the crushing teeth Front in inner concavity and make the front of the rake face that there are two crowns at the both ends of the intersecting lens, to which this is broken Phase of the crown of its front end prior to the inner concavity adjacent thereto when broken tooth cuts work in other words in broken work Intersection enters in material, and the intersecting lens is guided by the crown, stepped into material from the both ends of the intersecting lens.The phase The both ends of intersection are burst apart by crown guiding corresponding material, are burst apart to which the intersecting lens sequentially enters material by both ends to centre Gap in, so broken efficiency is greatly improved.
5. a kind of crushing teeth of the present invention, due to the rake face and the main flank combination and it is described in Concave intersecting lens so that two crowns of the denticle are in three prismatic, improve the intensity of crown and can be with smaller energy Consumption smoothly enters material.
6. a kind of crushing teeth of the present invention, since the width of the intersecting lens of inner concavity is less than the outer width of two crowns. And further, crown further includes preceding bevel, and the inner end of the front end of line of the preceding bevel intersects with the intersecting lens of inner concavity, outside End side intersection corresponding with denticle.The setting of preceding bevel so that increased in broken material by the crushing teeth and burst apart together Crack, so as to realize that material is broken evenly.
7. a kind of crushing teeth of the present invention, due to the left side and/or right side intersection of class watt groove face and denticle Equipped with chamfering or fillet;And the intersection of the left side for being oriented to transition face and denticle and/or right side be equipped with chamfering or Fillet.So that the crack burst apart together is increased in broken material by the crushing teeth, so as to realize that material is broken Evenly.
8. a kind of crushing teeth of the present invention, when the chamfering of class watt groove face both sides uses equidistant chamfering, or on edge On the cross section of such watt of groove face, the angle between the chamfering and such watt of groove face of such watt of groove face both sides is no more than 150 degree either no more than 120 degree when or class watt groove face both sides chamfering it is in the same plane or when being mutually parallel so that The crack burst apart together is increased in broken material by the crushing teeth, so as to realize that material is broken evenly.
9. a kind of crushing teeth of the present invention is located at the center in denticle width direction due to the minimum point of class watt groove face Between plane and the left side of denticle or the minimum point of class watt groove face is located at the central plane and denticle in denticle width direction Right side between;Either the minimum point of class watt groove face is located on the left side or right side of denticle.To which the crushing teeth is broken Make material be tilted towards preset direction when broken material, broken material work can be realized by the combination arrangement of crushing teeth In work, mutually collision realizes that the broken of secondary active or make is broken material towards preset direction to material after leaving crushing teeth Movement.
10. the processing of the production method of crushing teeth of the present invention, rake face uses a special-purpose milling cutter straight forming, should Special-purpose milling cutter has the work department of the outer diameter adaptable with the cross section of the class watt groove face of rake face;It is special when processing rake face Milling cutter from after the rear end feed of the rake face along straight line forward milling in place or by front end feed along straight line backward milling in place, Or special-purpose milling cutter from after the rear end feed of the rake face successively along camber line, the milling of straight line forward end in place or by front end feed Successively in place along straight line, the milling of camber line rear end.The use of the special-purpose milling cutter makes the processing of the crushing teeth extremely simple.
11. a kind of crushing toothed roller of the present invention, several crushing teeth assemblies according to combined crosswise arrangement form On the roller, the arrangement form of the combined crosswise is by original row's crushing teeth on the same helix of roller Assembly is assigned in the way of interval on two helixes, also this means that the N on the same circumference of roller is arranged crushing teeth assembly It is distributed on 2N helix.Therefore in each slot of broken cutting, both sides neighbour's slot is first cut into crushing teeth;Therefore it cuts Thickness is larger, being crushed cutting, low energy consumption, and the stress of crushing teeth both sides is more balanced.
The purpose of the present invention, characteristic and technical solution can apply commonly or independently in any combination.Each It is not necessarily required to combine all purposes or features in technical solution.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of stereochemical structure principle schematic of alternative embodiment of crushing teeth provided by the present invention.
Fig. 2 is the schematic diagram at another visual angle of the crushing teeth provided in Fig. 1.
Fig. 3 is the stereochemical structure principle schematic of the another alternative embodiment of crushing teeth provided by the present invention.
Fig. 4 is the stereochemical structure principle schematic of the another alternative embodiment of crushing teeth provided by the present invention.
Fig. 5 is the lateral diagrammatic cross-section of the front end of the crushing teeth provided in Fig. 4.
Fig. 6 is the stereochemical structure principle schematic of the another alternative embodiment of crushing teeth provided by the present invention.
Fig. 7 is the stereochemical structure principle schematic of the another alternative embodiment of crushing teeth provided by the present invention.
Fig. 8 is the stereochemical structure principle schematic of the another alternative embodiment of crushing teeth provided by the present invention.
Fig. 9 for the crushing teeth assembly on a kind of crushing toothed roller that specific embodiment is provided of the present invention a kind of optional distribution The general diagram of form.
Figure 10 is the general diagram in the cutting face of partial crushing tooth assembly at work in Fig. 9, is shown in Fig. 9 A, relative position when tri- crushing teeth cuttings of b, c.
Specific implementation mode
In order to make those skilled in the art more fully understand each technical solution according to the present invention, below in conjunction with the accompanying drawings The present invention is described in further detail with specific embodiment.It should be noted that in the absence of conflict, in the application Embodiment and embodiment described in each particular technique feature can be combined by any suitable means;In order to Unnecessary repetition, the present invention is avoided no longer separately to illustrate various combinations of possible ways, as long as it is without prejudice to the present invention's Thought, it should also be regarded as the disclosure of the present invention.
As depicted in figs. 1 and 2, Fig. 1 is that a kind of stereochemical structure of alternative embodiment of crushing teeth provided by the present invention is former Manage schematic diagram;Fig. 2 is the schematic diagram at another visual angle of the crushing teeth provided in Fig. 1.
In a kind of specific embodiment, as depicted in figs. 1 and 2, a kind of crushing teeth provided by the invention is mainly used for brokenly Broken tooth assembly, including denticle, wherein the front end of the upper surface 01 of the denticle has rake face 40, the front end of the denticle There is main flank 05 on face.
Further, as depicted in figs. 1 and 2, the guiding at the class watt groove face 41 of rake face 40 including front and rear portion Face 42 is crossed, which abuts with class watt groove face 41 and adjoiner 09 is to seamlessly transit;The class watt groove face 41 with 05 intersection of main flank it is parallel with the crushing teeth direction of motion or overlap longitudinal section on angle 5 degree to 60 degree it Between;So that the intersecting lens 30 of class watt groove face 41 and main flank 05 towards the front of the direction of motion of the crushing teeth in inner concavity, And make the front of rake face 40 that there are two crowns 10,20 at the both ends of the intersecting lens 30, to which the crushing teeth is broken The crown 10,20 of its front end enters material prior to the intersecting lens 30 of inner concavity adjacent thereto when cutting work when work in other words In, and the intersecting lens 30 is guided by crown 10,20, is stepped into material from the both ends of the intersecting lens 30.
It should be noted that wherein, class watt groove face 40 should be understood as including common watt of groove face.In addition, adjacent in attached drawing Line indicated by the place of connecing 09 is actually to smoothly transit, it is illustrated that facilitates understanding for signal, subsequent drawings are also herewith.
Further, with reference to figure 1 and Fig. 2, the cross section of class watt groove face 41 is in arc-shaped, i.e., such watt of groove face 41 is at it It is one section of circular arc line on cross section.In some non-illustrated embodiments, such watt of groove face 41 can also be oval arcuation, star Threadiness, catenary, gram Lay threadiness, snail threadiness, cissoid threadiness, tractrix shape, cycloid shape, conchoid shape, tricuspid valve are linear, revolve Wheel threadiness, Lisa eat curve-like, hyperbolia, and either the cross section of two parabolic shapes combined or class watt groove face 41 is circle Arc, elliptic arc, parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve Line, roulette, Lisa eat in curve, hyperbola and straight line arbitrary combination either the combination of arbitrary three or it is arbitrary extremely Few four combination.
Based on any of the above embodiments, it further can also be improved.With reference to figure 1 and Fig. 2, it is oriented to transition face 42 it is parallel with the crushing teeth direction of motion and by the guiding transition face 42 be recessed minimum point longitudinal section on be in arc-shaped. In some unshowned embodiments, be oriented to transition face 42 it is parallel with the crushing teeth direction of motion and pass through the guiding transition Can also be oval arcuation or star threadiness, catenary, gram Lay threadiness, cochleoid on the longitudinal section of the recess minimum point of face 42 Shape, cissoid threadiness, tractrix shape, cycloid shape, conchoid shape, tricuspid valve are linear, spinning roller is linear, Lisa eats curve-like, hyperbolia, The parabolic shape of two combinations.In addition, being oriented to transition face 42 parallel with the crushing teeth direction of motion and by the guiding Crossing on the longitudinal section of the recess minimum point of face 42 can also be circular arc, elliptic arc, parabola, astroid, catenary, Ke Laixian, snail Ox line, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, roulette, Lisa are eaten arbitrary two in curve, hyperbola and straight line The combination of person either the combination of arbitrary three or arbitrary at least four combination.Certainly, transition face 42 is oriented to break with described The broken tooth direction of motion it is parallel and by the guiding transition face 42 recess minimum point longitudinal section on 41 adjoiner of class watt groove face Radius of curvature is not less than the depth of such watt of groove face 41 recess.
Based on any of the above embodiments, it further can also be improved.With reference to figure 1 and Fig. 2, class watt groove face 41 On longitudinal section that is parallel with the crushing teeth direction of motion or overlapping linearly.In Fig. 1, if by the figure by this field skill Art personnel make side sectional view, then can be more obvious be seen to be straight line.
Based on any of the above embodiments, it further can also be improved.With reference to figure 1 and Fig. 2, class watt groove face 41 The linear or camber line on the longitudinal section either overlapped parallel with the crushing teeth direction of motion;And the straight line and the tooth The front-rear direction of body is parallel.In addition, in some non-illustrated embodiments, the straight line and upper surface 01 are not parallel, and should Angle between straight line and upper surface 01 is no more than 20 or 15,12,10,8,7,6,5,4,3,2 degree.
Based on any of the above embodiments, it further can also be improved.With reference to figure 1 and Fig. 2, the denticle Upper surface 01 is plane in addition to rake face 40.Preferably, with reference to figure 1 and Fig. 2, class watt groove face 41 is moved with the crushing teeth Direction is parallel or the longitudinal section that overlaps on linearly, and before the end line of such watt of 41 or so two side of groove face and upper surface 01 are removed Residing plane overlaps except knife face 40.
Based on any of the above embodiments, it further can also be improved.With reference to figure 1 and Fig. 2, the denticle Left side 03 and right side 04 are mutually parallel.Preferably, with reference to figure 1, left side 03, right side 04 are upper with the crushing teeth The plane residing in addition to rake face 40 of surface 01 is vertical.
Based on any of the above embodiments, it further can also be improved.As depicted in figs. 1 and 2, the denticle It is upper that through there is pilot hole 08, the extending direction of the axis of the pilot hole 08 and the left side 03 of the denticle, right side 04 are perpendicular, The denticle is relatively fixed by the locking member through the pilot hole 08 with toothholder.
Based on any of the above embodiments, it further can also be improved.As depicted in figs. 1 and 2, bottom surface 02 Front end be equipped with toothholder it is matched, for preventing the front end of the denticle from being transported into the crushing teeth mounting hole of the toothholder Dynamic stopper 07, and the stopper 07 and the denticle are relatively fixed or are integral type.Preferably, the width of the stopper 07 The degree denticle is wide, i.e., the width of stopper 07 is more than the distance between left side 03 and right side 04.
Based on any of the above embodiments, it further can also be improved.As depicted in figs. 1 and 2, main flank There are one minor flanks 06 for tool between 05 and bottom surface 02.In a detailed embodiment not shown, Fig. 1 and Fig. 2 are can refer to, On parallel with the crushing teeth direction of motion or coincidence longitudinal section, the angle between the minor flank 06 and main flank 05 is less than Angle between class watt groove face 41 and main flank 05.
Based on any of the above embodiments, it further can also be improved.In some unshowned embodiments, At least two minor flanks 06 are equipped between main flank 05 and bottom surface 02,06 autonomous flank 05 of each minor flank is under It arranges successively bottom surface 02;On longitudinal section that is parallel with the crushing teeth direction of motion or overlapping, each minor flank 06 Angle between rake face 40 is sequentially reduced by its distributing order, and the angle between each minor flank 06 and rake face 40 Angle respectively less than between class watt groove face 41 and main flank 05.
Based on any of the above embodiments, it further can also be improved.As illustrated in fig. 1 and 2, main flank 05 In plane.In addition, in some unshowned embodiments, main flank 05 can also be arcuate surface or inner concave.
Based on any of the above embodiments, it further can also be improved.In some unshowned embodiments, The cross section of main flank 05 is in arc-shaped, oval arcuation, star threadiness, catenary, gram Lay threadiness, snail threadiness, cissoid Threadiness, tractrix shape, cycloid shape, conchoid shape, tricuspid valve are linear, spinning roller is linear, Lisa eats curve-like, hyperbolia or two The parabolic shape of combination.In addition, in some unshowned embodiments, the cross section of main flank 05 can also be circular arc, ellipse Circular arc, parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, spinning roller Line, Lisa eat the arbitrary combination either combination of arbitrary three or arbitrary at least four in curve, hyperbola and straight line Combination.
Based on any of the above embodiments, it further can also be improved.In some unshowned embodiments, On longitudinal section that is parallel with the crushing teeth direction of motion or overlapping, main flank 05 is in arc-shaped, oval arcuation, parabolic Threadiness, star threadiness, catenary, gram Lay threadiness, snail threadiness, cissoid threadiness, tractrix shape, cycloid shape, conchoid shape, tricuspid Valve is linear, spinning roller is linear, Lisa eats curve-like either hyperbolia or for circular arc, elliptic arc, parabola, astroid, stretched wire Line, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, roulette, Lisa eat curve, hyperbola and In straight line arbitrary combination either the combination of arbitrary three or arbitrary at least four combination.
Based on any of the above embodiments, it further can also be improved.As illustrated in fig. 1 and 2, minor flank 06 In plane.In addition, in some unshowned embodiments, minor flank 06 can also be arcuate surface or inner concave.
Based on any of the above embodiments, it further can also be improved.In some unshowned embodiments, The cross section of minor flank 06 is in arc-shaped, oval arcuation, star threadiness, catenary, gram Lay threadiness, snail threadiness, cissoid Threadiness, tractrix shape, cycloid shape, conchoid shape, tricuspid valve are linear, spinning roller is linear, Lisa eats curve-like, hyperbolia or two The parabolic shape of combination.In addition, in some unshowned embodiments, the cross section of minor flank 06 can also be circular arc, ellipse Circular arc, parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, spinning roller Line, Lisa eat the arbitrary combination either combination of arbitrary three or arbitrary at least four in curve, hyperbola and straight line Combination.
Based on any of the above embodiments, it further can also be improved.In some unshowned embodiments, On longitudinal section that is parallel with the crushing teeth direction of motion or overlapping, minor flank 06 is in arc-shaped, oval arcuation, parabolic Threadiness, star threadiness, catenary, gram Lay threadiness, snail threadiness, cissoid threadiness, tractrix shape, cycloid shape, conchoid shape, tricuspid Valve is linear, spinning roller is linear, Lisa eats curve-like either hyperbolia or for circular arc, elliptic arc, parabola, astroid, stretched wire Line, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, tricuspid valve line, roulette, Lisa eat curve, hyperbola and In straight line arbitrary combination either the combination of arbitrary three or arbitrary at least four combination.
Based on any of the above embodiments, it further can also be improved.With reference to figure 1, preceding knife is removed in upper surface 01 Also can be in the state of general plane except face 40, i.e. upper surface 01 can do modification appropriate in addition to rake face 40 in Fig. 1.
Based on any of the above embodiments, it further can also be improved.It please refers to Fig.3, Fig. 4 and Fig. 5, Fig. 3 For the stereochemical structure principle schematic of the another alternative embodiment of crushing teeth provided by the present invention;Fig. 4 is provided by the present invention Crushing teeth another alternative embodiment stereochemical structure principle schematic;Fig. 5 is the front end of the crushing teeth provided in Fig. 4 Lateral diagrammatic cross-section.
Specifically, as shown in figure 3, rake face 50 includes the class watt groove face 51 of front and the guiding transition face 52 at rear portion, The guiding transition face 52 is abutted with class watt groove face 51 and adjoiner 09 is to seamlessly transit;Class watt groove face 51 and main flank 05 Angle of the intersection on the longitudinal section that the crushing teeth direction of motion is parallel or overlaps is between 5 degree to 60 degree;Class watt slot Face 51 and guiding transition face 52 are in the interior concave combined on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping Form;So that class watt groove face 51 and the front of intersecting lens 30 towards the direction of motion of the crushing teeth of main flank 05 are in indent Shape and make the front of rake face 50 that there are two crowns 10,20 at the both ends of the intersecting lens 30, to which the crushing teeth is broken The crown 10,20 of its front end enters object prior to the intersecting lens 30 of inner concavity adjacent thereto when cutting work when broken work in other words In material, and the intersecting lens 30 is guided by crown 10,20, is stepped into material from the both ends of the intersecting lens 30.Wherein, it combines Interior concave with reference to figure 5 refer to straight line 511 of the class watt groove face 51 on the longitudinal section and the curve 521 that is oriented to transition face 52 The intersection point of intersection point to upper surface 01 is more than 511 another endpoint of straight line to the intersection point of upper surface 01.
Based on any of the above embodiments, it further can also be improved.With reference to figure 3, two crowns 10,20 with The plane residing in addition to rake face 50 of upper surface 01 overlaps.In addition, in some unshowned embodiments, two crowns 10, 20 planes residing in addition to rake face 50 with upper surface 01 can not also overlap.
Based on any of the above embodiments, it further can also be improved.As shown in Figure 1, Figure 2, Figure 3 and Figure 4, Two crowns 10,20 are in three prismatic.
Based on any of the above embodiments, it further can also be improved.As shown in figure 4, the width of intersecting lens 30 Outer width of the degree less than two crowns 10,20.Preferably, as shown in figure 4, crown 10,20 further include before bevel 11,21, cut before this The inner end of the front end of line in face 11,21 is intersected with the intersecting lens 30 of inner concavity, the outboard end of the front end of line of the preceding bevel 11,21 with Left side 03, right side 04 are intersected.
Based on any of the above embodiments, it further can also be improved.As shown in Figure 4 and Figure 5, preceding bevel 11,21 planes residing in addition to rake face 50 with upper surface 01 overlap.In addition, with reference to figure 4 and Fig. 5, preceding bevel 11,21 with it is upper The plane residing in addition to rake face 50 of surface 01 can also be parallel or intersection, and when intersection before bevel 11,21 with Angle between the plane is no more than 20 or 15,12,10,8,7,6,5,4,3,2 degree.
Based on any of the above embodiments, it further can also be improved.As shown in Figure 4 and Figure 5, preceding bevel 11, the 21 front end of line plane residing in addition to rake face 50 with upper surface 01 overlaps.In addition, with reference to figure 4 and Fig. 5, preceding bevel 11, the 21 front end of line plane residing in addition to rake face 50 with upper surface 01 can also be parallel or intersect, and phase When friendship state, the angle between the front end of line and the plane is no more than 20 or 15,12,10,8,7,6,5,4,3,2 degree.
Based on any of the above embodiments, it further can also be improved.Fig. 6 and Fig. 7 are please referred to, Fig. 6 is this The stereochemical structure principle schematic of the another alternative embodiment of provided crushing teeth is provided;Fig. 7 is provided by the present invention broken The stereochemical structure principle schematic of the another alternative embodiment of broken tooth;Fig. 8 is the another optional of crushing teeth provided by the present invention The stereochemical structure principle schematic of embodiment.
Specifically, as shown in fig. 6, rake face 60 includes class watt groove face 61 and guiding transition face 62, class watt groove face 61 and a left side The intersection of side 03 and right side 04 is equipped with chamfering 64, which can also use fillet to substitute.Be oriented to transition face 62 with The intersection of left side 03 and right side 04 is equipped with chamfering 63, which can also use fillet to substitute.
Based on any of the above embodiments, it further can also be improved.As shown in fig. 6,61 liang of class watt groove face The chamfering 64 of side uses equidistant chamfering, can also use the chamfering of Unequal distance in addition.As shown in fig. 6, being oriented to 62 both sides of transition face Chamfering 63 use equidistant chamfering, in addition can also use Unequal distance chamfering.
Based on any of the above embodiments, it further can also be improved.Referring to FIG. 6, along perpendicular to class On the cross section of watt groove face 61, the angle between the chamfering 63,64 and such watt of groove face 61 of 61 both sides of class watt groove face is no more than 150 Degree or no more than 120 degree, be no more than 110 degree, be no more than 105 degree, no more than 100 degree, no more than 98 degree, no more than 95 degree, No more than 94 degree, be no more than 92 degree, be no more than 90 degree, be no more than 85 degree, no more than 83 degree, no more than 80 degree, no more than 75 degree, No more than 70 degree, be no more than 65 degree, be no more than 60 degree, no more than 55 degree.
Based on any of the above embodiments, it further can also be improved.In some unshowned embodiments, Fig. 6 is can refer to, along on the cross section for being oriented to transition face 62, the chamfering 63,64 for being oriented to 62 both sides of transition face is led with this To the angle between transition face 62 be no more than 150 degree or no more than 120 degree, no more than 110 degree, no more than 105 degree, be no more than 100 degree, no more than 98 degree, no more than 94 degree, no more than 90 degree, no more than 85 degree, no more than 80 degree, no more than 75 degree, do not surpass 70 degree are crossed, is no more than 65 degree, is no more than 60 degree, is no more than 55 degree.
Based on any of the above embodiments, it further can also be improved.As shown in fig. 7, rake face 70 includes Class watt groove face 71 and guiding transition face 72, the chamfering 74 of 71 both sides of class watt groove face are in the same plane.As shown in fig. 7, being oriented to The chamfering 73 of 42 both sides of transition face is on same curved surface.
Based on any of the above embodiments, it further can also be improved.With reference to figure 7,71 both sides of class watt groove face Chamfering 74 residing for plane can also be mutually parallel.Being oriented to curved surface residing for the chamfering 73 of 42 both sides of transition face can also mutually put down Row.
Based on any of the above embodiments, it further can also be improved.As shown in Figure 6 to 8, class watt groove face 61,71,81 width is less than the width of the denticle.In addition, as shown in Figures 1 to 5, the width of class watt groove face 41,51 is equal to The width of the denticle.As shown in Figures 1 to 6, class watt groove face 41,51,61 is flat about the center in the denticle width direction Face is symmetrical.
Based on any of the above embodiments, it further can also be improved.As shown in figure 8, class watt groove face 81 Minimum point is located at the central plane in the denticle width direction and between right side 04.In addition, the minimum point of class watt groove face 81 The central plane in the denticle width direction can also be located at and between left side 03.In addition, the minimum point of class watt groove face 81 It may be located on left side 03 or right side 04.
Based on any of the above embodiments, it further can also be improved.As shown in figure 8,80 left side of rake face Chamfering 83 or rounding from front to back be gradually it is increased.The chamfering 84 or rounding on the right side of rake face 80 be from front to back by It is decrescence small.As shown in figure 8, the position that chamfering 84 is decreased to zero is located on guiding transition face 82, can also be class watt groove face 81 On.
Based on any of the above embodiments, it further can also be improved.As shown in Figure 7 and Figure 8, rake face 70, curved vertical residing for the chamfering 73,83 of 80 left or right sides is in left side 03 or right side 04.Preferably, rake face 40 Curved vertical is in the central plane in the denticle width direction residing for the chamfering 73,83 on right side.
Based on any of the above embodiments, it further can also be improved.In some unshowned embodiments, Left side 03 is equipped with waist type groove one or rectangular channel one, arcuate recess one, U-lag one;Right side 04 be equipped with waist type groove two or Person's rectangular channel two, arcuate recess two, U-lag two.Preferably, upper surface 01 is equipped with rectangular channel three or waist type groove three, arcuate recess Three, U-lag three, bottom surface 02 are equipped with rectangular channel four or waist type groove four, arcuate recess four, U-lag four.
Based on any of the above embodiments, it further can also be improved.In some unshowned embodiments, The denticle is casting or forging.In addition, the denticle can also use bar or sheet fabrication to form.
Moreover, it relates to crushing teeth production method, the crushing teeth be any of the above-described embodiment described in Crushing teeth, which includes:
Step 01, the preparation of the blank of the denticle, blanking or forging, casting;
Step 02, preparatory processing is carried out to blank, includes the preliminary working of shape;
Step 03, the blank Jing Guo preparatory processing is heat-treated, including modifier treatment;
Step 04, the blank through Overheating Treatment is finished, including:The processing of the left and right side of the denticle, The processing of the upper surface, the processing of the bottom surface, the processing of the front end face, the processing of knife, shown preceding knife after shown master The processing in face;
Step 05, Surface hardening treatment carries out carburizing and quenching, nitride hardening or surface hardening to rake face;
Wherein, the processing of rake face uses a special-purpose milling cutter straight forming, the special-purpose milling cutter to have and the rake face The work department of the adaptable outer diameter in the cross section of class watt groove face;It is described in the section by the center of rotation of the special-purpose milling cutter Work department is in arc-shaped, oval arcuation, star threadiness, catenary, gram Lay threadiness, snail threadiness, cissoid threadiness, tractrix Shape, cycloid shape, conchoid shape, tricuspid valve threadiness, the parabolics that spinning roller is linear, Lisa eats curve-like, hyperbolia or two combinations Threadiness, or for circular arc, elliptic arc, parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, Conchoid, tricuspid valve line, roulette, Lisa eat arbitrary combination or the group of arbitrary three in curve, hyperbola and straight line Close or arbitrary at least four combination;When processing the rake face, the special-purpose milling cutter from the rear end feed of the rake face it Along straight line, milling is in place forward or milling is in place backward or the special-purpose milling cutter is from the rake face by front end feed along straight line afterwards Rear end feed after successively along camber line, the milling of straight line forward end in place or by front end feed successively along straight line, camber line to the back-end Milling is in place.
Based on any of the above embodiments, it further can also be improved.In a kind of unshowned embodiment, When the special-purpose milling cutter is along line milling, which is inclined, and the straight line is located at the front end of the denticle to described Plane residing for denticle upper surface it is vertical most short.
Moreover, it relates to a kind of crushing teeth, which includes denticle, which includes the left side being mutually parallel Side and right side, the upper surface being mutually parallel and bottom surface, with the upper surface main flank at an acute angle and positioned at should The front end of minor flank between main flank and bottom surface, the upper surface has rake face, and the crushing teeth by making as follows Method is made, which includes:
Step 01, the preparation of the blank of the denticle, blanking or forging, casting;
Step 02, preparatory processing is carried out to blank, includes the preliminary working of shape;
Step 03, the blank Jing Guo preparatory processing is heat-treated, including modifier treatment;
Step 04, the blank through Overheating Treatment is finished, including:The processing of the left and right side of the denticle, The processing of the upper surface, the processing of the bottom surface, the processing of the front end face, the processing of shown main flank, before shown The processing of knife face;
Step 05, Surface hardening treatment carries out carburizing and quenching, nitride hardening or surface hardening to shown rake face;
Wherein, the processing of the rake face uses a special-purpose milling cutter straight forming, the special-purpose milling cutter to have and the preceding knife The work department of the adaptable outer diameter in the cross section in face;In the section by the center of rotation of the special-purpose milling cutter, the work department In arc-shaped, oval arcuation, star threadiness, catenary, gram Lay threadiness, snail threadiness, cissoid threadiness, tractrix shape, cycloid Shape, conchoid shape, tricuspid valve threadiness, the parabolic shapes that spinning roller is linear, Lisa eats curve-like, hyperbolia or two combinations, or Person is circular arc, elliptic arc, parabola, astroid, catenary, Ke Laixian, cochleoid, cissoid, tractrix, cycloid, conchoid, three Cusp line, roulette, Lisa are eaten in curve, hyperbola and straight line arbitrary combination and either the combination of arbitrary three or are appointed The combination of meaning at least four;When processing the rake face, the special-purpose milling cutter is from after the rear end feed of the rake face along straight line Forward milling in place or by front end feed along straight line backward milling in place or the special-purpose milling cutter from the rear end of the rake face into After knife successively along camber line, the milling of straight line forward end in place or by front end feed successively along straight line, the milling of camber line rear end in place.
Based on any of the above embodiments, it further can also be improved.In some unshowned embodiments, When the special-purpose milling cutter is along line milling, which is inclined, and the straight line is located at the front end of the denticle to described Plane residing for denticle upper surface it is vertical most short.
Based on any of the above embodiments, it further can also be improved.In some unshowned embodiments, It further include the chamfering section for processing chamfering in the work department.
The invention further relates to crushing teeth assembly, which includes mutually matched crushing teeth and toothholder, wherein The crushing teeth is the crushing teeth described in any of the above-described embodiment.Specific embodiment please refers to the above, and in combination with related The prior art is repeated no more with obtaining the technical solution of the crushing teeth assembly in the application.
The invention further relates to a kind of crushing toothed rollers, including broken shaft assembly, are provided with roller on the broken shaft assembly, institute It states and is provided with several crushing teeth assemblies on roller, the crushing teeth assembly is that the crushing teeth described in any of the above-described embodiment is total At.Specific embodiment please refers to the above, and in combination with related art to obtain the technical solution of the crushing toothed roller, this It is repeated no more in application.
Based on any of the above embodiments, it further can also be improved.Crushing teeth assembly is according to combined crosswise Arrangement form be set on roller, the arrangement form of the combined crosswise is by an original row on the same helix of roller Crushing teeth assembly is assigned in the way of interval on two helixes, also this means that the N on the same circumference of roller is arranged broken Tooth assembly is distributed on 2N helix.Fig. 9 and Figure 10 are please referred to, Fig. 9 is provided broken for a kind of specific embodiment of the present invention A kind of general diagram of optional distribution form of crushing teeth assembly on broken discaling roll;Figure 10 is that the partial crushing tooth in Fig. 9 is total At the general diagram in cutting face at work, relative position when tri- crushing teeth cuttings of a, b, c in Fig. 9 is shown.
Specifically, as shown in figure 9,3 points of a, b, c on former same helix is distributed on two neighboring spirals, The points such as middle a, b, c refer to the distribution of the position of crushing teeth in crushing teeth assembly.As shown in Figure 10, the be broken angle of bursting apart of material is α is crushed mono- timing of space width cs, and a, b crushing teeth cutting go out after the slot of certain distance, subsequent c crushing teeths then relative to A, the front cutting for the slot that b crushing teeths are formed, so due to previously having outputed slot in the both sides of the cutting of c crushing teeths, therefore The required face area that bursts apart is reduced when this c crushing teeth cutting and cutting depth hmax is also greater than the sum of h1 and h2.Therefore, Using the arrangement mode crushing toothed roller crushing teeth it is broken cut each slot when, both sides neighbour's slot is first cut into, so Cutting thickness is larger, being crushed cutting, low energy consumption, and the stress of crushing teeth both sides is more balanced.
Based on any of the above embodiments, it further can also be improved.In a kind of unshowned embodiment, The numerical value of the number of rows N of crushing teeth assembly on the same circumference of roller of crushing toothed roller is any in being 2 to 30.
The invention further relates to a kind of coal transporting breaking machine, including mutually matched drag conveyer and crushing toothed roller are described Crushing toothed roller is the crushing toothed roller described in any of the above-described embodiment.Specific embodiment please refers to the above, and in combination with phase The prior art is closed to obtain the technical solution of the coal transporting breaking machine, is repeated no more in the application.
The invention further relates to a kind of movable crusher, include the crushing toothed roller or multiple on removable body Crushing teeth assembly, the crushing teeth assembly are the crushing teeth assembly described in any of the above-described embodiment, and the crushing toothed roller is upper State the crushing toothed roller described in any embodiment.Specific embodiment please refers to the above, and in combination with related art with The technical solution of the movable crusher is obtained, is repeated no more in the application.
The invention further relates to a kind of crushing plant, including crushing toothed roller or multiple crushing teeth assemblies, the crushing teeth Assembly is the crushing teeth assembly described in any of the above-described embodiment, and the crushing toothed roller is broken described in any of the above-described embodiment Broken discaling roll.Specific embodiment please refers to the above, and in combination with related art to obtain the technical side of the crushing plant Case repeats no more in the application.
In addition, above-mentioned crushing teeth can be used for executing in the equipment of driving or excacation, such as development machine, adopt In the equipment such as coal machine, shield machine.At this point, due to the difference of residing subdivision technical field the industry, crushing teeth is commonly referred to as Tunneling gear or shield cutter tooth;Correspondingly, crushing teeth assembly is also referred to as tunneling gear assembly or shield cutter tooth assembly, crushing teeth Roller mutually should be tunneling gear roller or shield cutter tooth roller.It is preceding when above-mentioned crushing teeth is applied in development machine, coalcutter, shield machine The crushing teeth title stated is adjusted to tunneling gear, and either shield cutter tooth, crushing teeth assembly are adjusted to tunneling gear assembly or shield cutter tooth Assembly, crushing toothed roller are adjusted to driving discaling roll or shield cutter tooth roller;This means that the present invention also provides corresponding picks Into tooth, shield cutter tooth, tunneling gear assembly, shield cutter tooth assembly, driving discaling roll, shield cutter tooth roller and apply aforementioned any implementation Development machine, coalcutter, the shield machine of example.
Wherein, above-mentioned parabolic shape, star threadiness, catenary, gram Lay threadiness, snail are linear, cissoid is linear, drag object It refers in line above-mentioned that threadiness, cycloid shape, conchoid shape, tricuspid valve threadiness, spinning roller threadiness, Lisa, which eat curve-like or hyperbolia, One section of suitable line, rather than use complete line style, can specifically be chosen by technical staff.For example, parabolic shape refers to One section on the parabola of interception, for another example, hyperbolia refers to one section on the hyperbola of interception.
Either to refer to it have the function of this or effect to the function of the above-mentioned dependency structure to the present invention for the description of effect, It is possible to also have the function of therefore other or effect is not construed as carrying out it improper restriction of function or effect.
Above to inventing the production method of a kind of crushing teeth provided, crushing teeth, including the crushing teeth or use The crushing teeth assembly of crushing teeth made of the production method of the crushing teeth, crushing toothed roller, coal transporting breaking machine, crushing plant and Development machine, coalcutter, shield machine and its corresponding parts etc. are described in detail.Specific case used herein is to this hair Bright principle and embodiment is expounded, the explanation of above example is only intended to help understand the present invention method and its Core concept.It should be pointed out that although having carried out detailed description to the better model for executing the present invention, do not departing from Under the premise of the principle of the invention, those skilled in the art it can be seen that within the scope of the appended claims be used for implement this hair Bright many alternative designs and embodiments.

Claims (11)

1. a kind of crushing teeth is mainly used for crushing teeth assembly, including denticle, which is characterized in that before the upper surface of the denticle End has rake face, has main flank on the front end face of the denticle;The rake face include the class watt groove face of front with And the guiding transition face at rear portion, the guiding transition face and the class watt groove face adjoining and adjoiner is to seamlessly transit;The class Watt groove face is parallel with the crushing teeth direction of motion or the angle of the intersecting lens of longitudinal section that overlaps and the main flank is at 5 degree To between 60 degree, on longitudinal section that is parallel with the crushing teeth direction of motion or overlapping linearly, this is straight for such watt of groove face Line is parallel with the front-rear direction of the denticle, and institute is removed in described class watt groove face or so end line of two sides and the upper surface of the crushing teeth Plane residing except rake face is stated to overlap;Fortune of the intersecting lens of the class watt groove face and the main flank towards the crushing teeth The front in dynamic direction is in inner concavity and the front of the rake face is made to have two crowns at the both ends of the intersecting lens, from And the crown of the crushing teeth its front end when cutting work in other words in broken work is prior to the indent adjacent thereto The intersecting lens of shape enters in material, and the intersecting lens is guided by the crown, steps into material from the both ends of the intersecting lens In.
2. crushing teeth according to claim 1, which is characterized in that the folder between the straight line and the upper surface of the denticle Angle is no more than 2 degree.
3. crushing teeth according to claim 1, which is characterized in that the upper surface of the denticle is in addition to the rake face Plane, left side, the right side of the denticle are vertical with the plane;The left and right side of the denticle is mutually parallel.
4. crushing teeth according to claim 1, which is characterized in that running through on the denticle has pilot hole, the pilot hole The extending direction of axis and the left side of the denticle, right side are perpendicular, the denticle by locking member through the pilot hole with Toothholder is relatively fixed;The front end of the bottom surface of the denticle is equipped with and toothholder is matched, front end for preventing the denticle The stopper that portion is moved into the crushing teeth mounting hole of the toothholder, and the stopper and the denticle are relatively fixed or are one Body formula;The width denticle of the stopper is wide.
5. crushing teeth according to any one of claim 1 to 4, which is characterized in that the main flank and the denticle Bottom surface between tool there are one minor flank;On longitudinal section that is parallel with the crushing teeth direction of motion or overlapping, after the pair Angle between knife face and the main flank is less than the angle between the class watt groove face and the main flank;The main flank In plane, either arcuate surface, the inner concave minor flank are in plane or arcuate surface, inner concave.
6. a kind of crushing teeth assembly, including mutually matched crushing teeth and toothholder, which is characterized in that the crushing teeth is wanted for right Seek the crushing teeth described in any one of 1 to 5.
7. a kind of crushing toothed roller, including broken shaft assembly, which is characterized in that it is provided with roller on the broken shaft assembly, it is described Several crushing teeth assemblies are provided on roller, the crushing teeth assembly is the crushing teeth assembly described in claim 6.
8. crushing toothed roller according to claim 7, which is characterized in that several crushing teeth assemblies are according to combined crosswise Arrangement form is set on the roller, and the arrangement form of the combined crosswise is by original one be set on the same helix of roller Row's crushing teeth assembly is assigned in the way of interval on two helixes, also i.e. that N row's crushing teeths on the same circumference of roller is total At being distributed on 2N helix.
9. a kind of coal transporting breaking machine, including mutually matched drag conveyer and crushing toothed roller, which is characterized in that the crushing teeth Roller is the crushing toothed roller described in claim 7 or 8.
10. a kind of shield machine, including shield cutter tooth roller or multiple shield cutter tooth assemblies, which is characterized in that the shield cutter tooth Assembly is the crushing teeth assembly described in claim 6, and the shield cutter tooth roller is the crushing toothed roller described in claim 7 or 8, and Term crushing teeth therein is changed to shield cutter tooth, crushing toothed roller is changed to shield cutter tooth roller.
11. a kind of crushing plant, including crushing toothed roller or multiple crushing teeth assemblies, which is characterized in that the crushing teeth assembly For the crushing teeth assembly described in claim 6, the crushing toothed roller is the crushing toothed roller described in claim 7 or 8.
CN201610205274.3A 2016-04-05 2016-04-05 Crushing plant, shield machine, coal transporting breaking machine, crushing teeth assembly and its crushing teeth CN105750014B (en)

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09136038A (en) * 1995-11-10 1997-05-27 Netsukoo Kk Crushing tooth device in crusher
CN1186896A (en) * 1996-12-29 1998-07-08 蔡正斌 High hardness high toughness pick and preparing technology
CN201380089Y (en) * 2009-03-13 2010-01-13 煤炭科学研究总院唐山研究院 Crushing toothed roller with replaceable cutting tooth
CN102921499A (en) * 2012-11-28 2013-02-13 宁夏鑫睿通矿山机械设备有限公司 Novel tooth roller type coal crusher
CN203379921U (en) * 2013-07-15 2014-01-08 盛金平 Tooth roller of crushing machine
CN103433092B (en) * 2013-08-28 2015-08-19 湖南万通科技有限公司 Coal transporting breaking machine, crushing toothed roller and crushing teeth assembly thereof
EP2913446A1 (en) * 2014-02-28 2015-09-02 Caterpillar Work Tools B. V. Lip shroud for a dragline lip

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