CN206592130U - Development machine cutterhead and development machine - Google Patents
Development machine cutterhead and development machine Download PDFInfo
- Publication number
- CN206592130U CN206592130U CN201720125032.3U CN201720125032U CN206592130U CN 206592130 U CN206592130 U CN 206592130U CN 201720125032 U CN201720125032 U CN 201720125032U CN 206592130 U CN206592130 U CN 206592130U
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- pick
- development machine
- cutterhead
- machine cutterhead
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Abstract
The utility model is related to a kind of development machine cutterhead and development machine, wherein development machine includes head body (1), multiple picks (2) and multiple toothholders (3) with cutterhead, each pick (2) is separately mounted on corresponding toothholder (3), each toothholder (3) is installed on a body (1), head body (1) is provided with least two operating areas, in wherein one operating area, the arrangement uniform in the axial direction of each pick (2)；And/or, in another operating area, each pick (2) diametrically uniform arrangement, to ensure the uniform force of development machine cutterhead.Cutterhead of the present utility model can ensure the stress of development machine cutterhead than more uniform in tunneling process; abrasion is also than more uniform; be conducive to protecting cutterhead; improve the service life of cutterhead; reduce the replacement frequency of cutterhead; operating efficiency is improved, this cutterhead can be preferably applied for hard rock working condition, and the scope of application is wider.
Description
Technical field
The utility model is related to tunnel construction machinery field, more particularly to a kind of development machine cutterhead and development machine.
Background technology
Development machine is widely used in constructing tunnel field, and efficiency of construction and the pick consumption in tunnel depend on driving
The performance of machine cutterhead, at present country's cutterhead have that pick abrasion is big, the low shortcoming of cutting efficiency during construction operation,
It is especially big, it is necessary to pick often be changed, so as to reduce overall operation efficiency in the abrasion of cutterhead front end pick.
There is a kind of new cutterhead of replaceable top cut sword in the prior art, as shown in figure 1, the new cutterhead master
To be made up of, be configured with the body of the cutting head conical top beneficial to driving the body of the cutting head, pick, toothholder and replaceable top cut sword
The cut sword of machine jacking replaces the pick and toothholder at former position, and is configured on the body of the cutting head dedicated for the installation of cut sword
Hole, while ensureing to use firm, stable, quick release and replacing.
The top of the new cutterhead uses blade broken rock, although blade is more sharp, but blade is in hard rock working condition
Abrasion is very big, is only applicable to the underworkings, railway and constructing tunnel of the hard place matter such as medium ground above coal field geology, colliery
Driving；Simultaneously because blade contact area is big, the motive force needed for increase cutterhead drilling, therefore the operation of cutterhead can be reduced
Efficiency；
As shown in Fig. 2 there is a kind of cutterhead for longitudinal shaft type development machine in the prior art, the pick on its body of the cutting head is in
Deng the arrangement of lift angle helix, spiral the end of a thread number is two or three, and the axial angle of distribution of crown and crown is 20 °~50 °.
The lift angle helical manners such as the pick arrangement use of the cutterhead, it is adaptable to the cut operating mode such as coal petrography, half coal petrography, but
Under hard rock operating condition, the problem of cutterhead front end still has pick serious wear is, it is necessary to often change pick, so as to drop
Low operating efficiency.
It should be noted that the information for being disclosed in the utility model background section is merely intended to increase new to this practicality
The understanding of the general background of type, and be not construed as recognizing or imply that the information structure has been art technology in any form
Prior art well known to personnel.
Utility model content
The purpose of this utility model is to propose a kind of development machine cutterhead and development machine, and the development machine cutterhead can
Hard rock working condition is better adapted to, cutting efficiency is lifted.
To achieve the above object, the utility model provide a kind of development machine cutterhead, including head body, multiple picks and
Multiple toothholders, each pick is separately mounted on the corresponding toothholder, and each toothholder is installed on the head body, institute
A body is stated provided with least two operating areas, in wherein one operating area, each pick is uniformly arranged in the axial direction；
And/or, in another operating area, each pick is diametrically uniformly arranged, to ensure the development machine cutterhead
Uniform force.
Further, the head body includes spheroid section, cone segments and cylindrical section, the cone segments be located at spheroid section with
Between the cylindrical section, the big transverse plane of the spheroid section connects with the cone segments, with the big transverse plane of spheroid section
The center of circle is that starting point makees a ray, and the big transverse plane of the ray and the spheroid section is bus around described using the ray in 45 ° of angles
The central axis rotation of head body, obtains a curved surface, the head body is divided into for the drilling area of creeping into broken rock by the curved surface and
Yaw area for reaming and slotting.
Further, in the drilling area, half between the crown of each two neighboring pick in radial directions
Footpath difference is equal.
Further, in the yaw area, the axle between the crown of each two neighboring pick in the axial direction
It is equal to range difference.
Further, each pick is arranged along at least two helixes.
Further, the cutting angle of each pick in the drilling area is located on every helix with cut radius
Reduction and gradually increase.
Further, on every helix positioned at the drilling area each two neighboring pick cutting angle it
Between differential seat angle it is equal.
Further, in addition at least two stock guides, the stock guide is set along helix.
Further, the helix where the stock guide and the helix disposed adjacent where the pick, and institute
State side of the stock guide positioned at the drilling end of the remote development machine cutterhead of the pick.
To achieve the above object, the utility model additionally provides a kind of development machine, including above-mentioned development machine cutterhead.
Based on above-mentioned technical proposal, the utility model by the way that head body is divided into at least two different operating areas,
In one of operating area, each pick is uniformly arranged in the axial direction；And/or, in wherein another operating area, each section
Tooth is diametrically uniformly arranged.So, the stress of development machine cutterhead can be ensured than more uniform, abrasion in tunneling process
Also than more uniform, be conducive to protecting cutterhead, improve the service life of cutterhead, reduce the replacement frequency of cutterhead, improve and make
Industry efficiency, this cutterhead can be preferably applied for hard rock working condition, and the scope of application is wider.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not constitute to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is a kind of structural representation of the new cutterhead of replaceable top cut sword in the prior art.
Fig. 2 is a kind of structural representation of cutterhead for longitudinal shaft type development machine in the prior art.
Fig. 3 is the structural representation of the utility model development machine cutterhead one embodiment.
Fig. 4 is the division schematic diagram in cut region in the utility model development machine cutterhead one embodiment.
Fig. 5 is the pick arrangement schematic diagram in drilling area in the utility model development machine cutterhead one embodiment.
Fig. 6 is the schematic diagram at pick cutting angle in the utility model development machine cutterhead one embodiment.
In figure：1st, head body；2nd, pick；3rd, toothholder；4th, stock guide；A, drilling area；B, yaw area.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in embodiment is carried out clear, complete
Ground is described.Obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.
Based on embodiment of the present utility model, the institute that those of ordinary skill in the art are obtained under the premise of creative work is not made
There is other embodiment, belong to the scope of the utility model protection.
In description of the present utility model, it is to be understood that term " " center ", " transverse direction ", " longitudinal direction ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " on ", " under ", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicate
Or imply that the device or element of meaning must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the utility model protection domain.
As shown in figure 3, being the structural representation of the utility model development machine cutterhead one embodiment.In the embodiment
In, development machine includes head body 1, multiple picks 2 and multiple toothholders 3 with cutterhead, and each pick 2 is separately mounted to corresponding toothholder 3
On, each toothholder 3 is installed on a body 1, and head body 1 is provided with least two operating areas, in wherein one operating area, each section
The arrangement uniform in the axial direction of tooth 2；And/or, in another operating area, each pick 2 diametrically uniform arrangement, to ensure
The uniform force of development machine cutterhead.
In the above-described embodiments, by the way that head body 1 is divided into at least two different operating areas, an operation wherein
In region, the arrangement uniform in the axial direction of each pick 2；And/or, in wherein another operating area, each pick 2 is diametrically equal
Even arrangement.So, the stress of development machine cutterhead can be ensured in tunneling process than more uniform, abrasion also than more uniform,
Be conducive to protecting cutterhead, improve the service life of cutterhead, reduce the replacement frequency of cutterhead, improve operating efficiency, it is this
Cutterhead can be preferably applied for hard rock working condition, and the scope of application is wider.
As a kind of concrete structure of head body 1, as shown in figure 4, head body 1 includes spheroid section, cone segments and cylindrical section, cone
Section is located between spheroid section and cylindrical section, and the big transverse plane of spheroid section connects with cone segments, it is preferable that the big end of spheroid section and cone
One end of body section is tangent, and the other end of cone segments connects with cylindrical section.
Using the center of circle of the big transverse plane of spheroid section as starting point one ray of work, the big transverse plane of the ray and spheroid section is in 45 °
Angle, the central axis by bus of the ray around the head body 1 rotates, and obtains a curved surface, using the curved surface as interface, will
1 point of head body is drilling area and yaw area Liang Ge operating areas, and drilling area includes most spheroid section, and yaw area includes another portion
Spheroid section, cone segments and the cylindrical section divided.Drilling area is used to creep into broken rock, and yaw area is used for reaming and slotting.
On the distribution form of multiple picks 2, can have a variety of.Such as, each pick 2 can be along at least two helixes
Arrangement.As shown in figure 3, multiple picks 2 are arranged on a body 1 along two helixes respectively.The number of pick 2 on every helix
Can be with identical, can also be different.
In a preferred embodiment of the utility model development machine cutterhead, in drilling area, in radial directions
Semidiameter between the crown of each two neighboring pick 2 is equal.
As shown in figure 5, diametrically the semidiameter between the crown of two adjacent picks 2 is Δ R, it can so make
Stress of the cutterhead in drilling process diametrically is than more uniform.
It is emphasized that " two neighboring pick " here refers to diametrically two adjacent picks 2 of radius, and
Two adjacent picks 2 being not located on same helix.
In another preferred embodiment of the utility model development machine cutterhead, in yaw area, in the axial direction
Axial distance difference between the crown of upper each two neighboring pick 2 is equal.
As shown in figure 3, the axial distance difference between the crown of two adjacent in the axial direction picks 2 is Δ t, so may be used
So that stress of the cutterhead during yaw in the axial direction is than more uniform.
It is emphasized that " two neighboring pick " here refers to that adjacent two of axial distance in the axial direction cut
Tooth 2, two adjacent picks 2 being not located on same helix.
Further, on every helix be located at drilling area each pick 2 cutting angle with the reduction of cut radius by
It is cumulative big.
As shown in fig. 6, cutting angle refers to the angle between the orbit tangent of the crown of pick 2 and the central axis of pick 2.Tool
For body, as shown in figure 5, central point rotation of the pick 2 along head body 1, its track is the circle using the central point as the center of circle, with pick
The perpendicular line of line between 2 crowns and the central point is the orbit tangent of the crown of pick 2, the orbit tangent and pick 2
Central axis between angle be cutting angle.
Suitably increase the cutting angle of pick 2 in drilling area, be conducive to being lifted the rock breaking capacity of pick 2, reduce cut resistance
Power, significantly increases the drilling efficiency of cutterhead, and reduction pick abrasion improves cutterhead transaction capabilities.
Preferably, the differential seat angle phase between the cutting angle of each two neighboring pick 2 in drilling area is located on every helix
Deng.Cutting angle uniformly increases, and can make cutterhead uniform force.
In addition, development machine cutterhead can also include at least two stock guides 4, stock guide 4 is set along helix.
Further, the helix where stock guide 4 and the helix disposed adjacent where pick 2, and stock guide 4
Side in the drilling end of the remote development machine cutterhead of pick 2.As shown in figure 3, stock guide 4 is located at the lower section of pick 2, with
Waste material is exported in time in drilling process, it is to avoid abrasion is produced to pick 2, protect pick 2.
Based on the development machine cutterhead in each above-mentioned embodiment, the utility model also proposes a kind of development machine, including
Above-mentioned development machine cutterhead.The good effect that development machine cutterhead in each above-mentioned embodiment possesses is equally applicable
In development machine, repeat no more here.
One embodiment of 3~6 pairs of the utility model development machine cutterheads and development machine is specific below in conjunction with the accompanying drawings
Structure is illustrated：
As shown in figure 3, the development machine includes head body 1, pick 2, toothholder 3 and stock guide 4 with cutterhead, pick 2 is arranged on
In toothholder 3, toothholder 3 and stock guide 4 are welded on a body 1 in the form of helical lines.
As shown in figure 4, cutterhead is divided into drilling area and yaw area according to operation function, it is in the big transverse plane of cutterhead
45 ° of straight line is as line of demarcation, and top is divided into drilling area, and bottom is divided into yaw area, and drilling area's pick is mainly responsible for cutterhead and bored
Enter broken rock, yaw area pick is mainly responsible for reaming and slotting.
As shown in figure 5, in drilling area, the arrangement of pick 2 considers emphatically the uniformity on cut radius, that is, ensures phase
Semidiameter △ R between the crown of adjacent two picks 2 are equal, and cut radial design meets formula Ri+1=Ri- Δ R, it is ensured that pick
Stress and the uniformity of abrasion in drilling process.
As shown in figure 3, in yaw area, the arrangement of pick 2 considers emphatically the uniformity on axial distance, that is, ensures phase
Axial distance difference △ t between the crown of adjacent two picks 2 are equal, and axial distance design meets formula Ti+1=Ti+ Δ t, so that
Ensure pick stress and uniformity of abrasion during yaw so that cutterhead more conforms to the need of hard rock construction working condition
Ask, so as to ensure the uniformity of pick abrasion, submit the service life of pick, improve operating efficiency.
As shown in figure 5, the cutterhead includes two helixes, every helix has 4 picks 2 in drilling area, is respectively
A, b, c and d, with being sequentially reduced for cut radius, the cutting angle (as shown in Figure 6) of pick gradually increases, two neighboring pick 2
Between cutting angle differential seat angle △ δ it is equal, cutting angle design meet formula δi+1=δi+ Δ δ, rock resistance is entered to reduce pick, from
And lift pick rock breaking capacity, hence it is evident that the drilling efficiency of breaking rock of lifting cutterhead.
Pass through the explanation to the utility model development machine cutterhead and multiple embodiments of development machine, it can be seen that this reality
At least there is one or more of advantage with Novel excavating machine cutterhead and development machine embodiment：
1st, the cutterhead arrangement in different work region is considered, point drilling area and yaw area carry out pick arrangement design respectively,
So that cutterhead more conforms to the demand of hard rock construction operation, cutterhead performance is lifted；
2nd, the arrangement of drilling area's pick considers emphatically the uniformity on cut radius, that is, ensures the radius of adjacent pick crown
Poor △ R are equal, so as to ensure pick stress and uniformity of abrasion in drilling process；
3rd, yaw area pick arrangement considers emphatically uniformity on axial distance, that is, ensure adjacent pick spivot to away from
Deviation △ t are equal, so as to ensure pick stress and uniformity of abrasion during yaw；
4th, being sequentially reduced with cut radius, the cutting angle of pick gradually increases, and rock resistance is entered with reduce pick, from
And lift pick rock breaking capacity, hence it is evident that the drilling efficiency of breaking rock of lifting cutterhead.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：Still embodiment of the present utility model can be modified or some technical characteristics are equally replaced
Change；Without departing from the spirit of technical solutions of the utility model, it all should cover in the claimed technical scheme of the utility model
Among scope.
Claims (10)
1. a kind of development machine cutterhead, it is characterised in that including head body (1), multiple picks (2) and multiple toothholders (3), each institute
State pick (2) to be separately mounted on the corresponding toothholder (3), each toothholder (3) is installed on the head body (1), institute
A body (1) is stated provided with least two operating areas, in wherein one operating area, each pick (2) is uniform in the axial direction
Arrangement；And/or, in another operating area, each pick (2) diametrically uniform arrangement, to ensure the development machine
With the uniform force of cutterhead.
2. development machine cutterhead according to claim 1, it is characterised in that the head body (1) includes spheroid section, cone
Section and cylindrical section, the cone segments are located between spheroid section and the cylindrical section, the big transverse plane of the spheroid section and institute
State cone segments to connect, make a ray, the ray and spheroid section by starting point of the center of circle of the big transverse plane of spheroid section
Big transverse plane is in 45 ° of angles, and the central axis by bus of the ray around the head body (1) rotates, and a curved surface is obtained, by this
The head body (1) is divided into the drilling area for creeping into broken rock and the yaw area for reaming and slotting by curved surface.
3. development machine cutterhead according to claim 2, it is characterised in that in the drilling area, in radial direction
Semidiameter between the crown of upper each two neighboring pick (2) is equal.
4. development machine cutterhead according to claim 2, it is characterised in that in the yaw area, in the axial direction
Axial distance difference between the crown of upper each two neighboring pick (2) is equal.
5. development machine cutterhead according to claim 2, it is characterised in that each at least two, the edge of pick (2) spiral shells
Spin line is arranged.
6. development machine cutterhead according to claim 5, it is characterised in that be located at described bore on every helix
The cutting angle of each pick (2) of time zone gradually increases with the reduction of cut radius.
7. development machine cutterhead according to claim 6, it is characterised in that be located at described bore on every helix
Differential seat angle between the cutting angle of each two neighboring pick (2) of time zone is equal.
8. development machine cutterhead according to claim 2, it is characterised in that also including at least two stock guides (4), institute
Stock guide (4) is stated to set along helix.
9. development machine cutterhead according to claim 8, it is characterised in that the helix where the stock guide (4)
With the helix disposed adjacent where the pick (2), and the stock guide (4) be located at the pick (2) away from described
The side at the drilling end of development machine cutterhead.
10. a kind of development machine, it is characterised in that including the development machine cutterhead as described in any one of claim 1~9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125032.3U CN206592130U (en) | 2017-02-13 | 2017-02-13 | Development machine cutterhead and development machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125032.3U CN206592130U (en) | 2017-02-13 | 2017-02-13 | Development machine cutterhead and development machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206592130U true CN206592130U (en) | 2017-10-27 |
Family
ID=60127829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720125032.3U Withdrawn - After Issue CN206592130U (en) | 2017-02-13 | 2017-02-13 | Development machine cutterhead and development machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206592130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761803A (en) * | 2017-02-13 | 2017-05-31 | 徐工集团工程机械有限公司 | Development machine cutterhead and development machine |
-
2017
- 2017-02-13 CN CN201720125032.3U patent/CN206592130U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761803A (en) * | 2017-02-13 | 2017-05-31 | 徐工集团工程机械有限公司 | Development machine cutterhead and development machine |
| CN106761803B (en) * | 2017-02-13 | 2019-11-26 | 徐工集团工程机械有限公司 | Development machine cutterhead and development machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171027 Effective date of abandoning: 20191126 |