CN202531178U - Hard rock shielding machine cutter structure provided with square bearing block fixed hob - Google Patents
Hard rock shielding machine cutter structure provided with square bearing block fixed hob Download PDFInfo
- Publication number
- CN202531178U CN202531178U CN 201220028305 CN201220028305U CN202531178U CN 202531178 U CN202531178 U CN 202531178U CN 201220028305 CN201220028305 CN 201220028305 CN 201220028305 U CN201220028305 U CN 201220028305U CN 202531178 U CN202531178 U CN 202531178U
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- CN
- China
- Prior art keywords
- cutter
- hobboing cutter
- tool rest
- hob
- axle bed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a hard rock shielding machine cutter structure provided with a square bearing block fixed hob, comprising a hob, a cutter seat and cutter supports, wherein the cutter seat is welded between a pair of corresponding cutter supports, rhombus grooves are arranged on the upper inner wall and the lower inner wall of the cutter seat and are used for fixing the hob, openings communicated with the grooves are arranged on the end surfaces of the upper inner wall and the lower inner wall of the cutter seat, and a square bearing block on two ends of the hob rotates for 45 degrees and then is fixed on the inner walls of the grooves through wedge-shaped blocks; and the cutter seat can be a single-cavity, double-cavity and four-cavity cutter seat, and the hob can be a single-blade and double-blade hob. The hard rock shielding machine cutter structure disclosed by the utility model has a simple structure, is easy to assemble and disassemble, simultaneously reduces the degree of opening of the cutter seat, increases the rigidity of the cutter seat, ensures the rigidity of the hob, can be further applied to universally matching an advanced cutter box in the same cutter seat, and improves the optimization of the design of the cutter.
Description
Technical field
The utility model relates to the cutter head structure of shield machine, particularly a kind of hard rock cutter head of shield machine structure that the fixed hobboing cutter of square axle bed is installed.
Background technology
Shield machine is mainly used in the constructing tunnel, and the operating mode of shield-tunneling construction is generally comparatively abominable, and the wearing and tearing of cutter are inevitable; Often need to change cutter in the work progress,, cause changing cutter and have bigger risk in the cutter head of shield machine front still owing to the restriction of shield machine working environment and operating principle; Because the structure of hobboing cutter and the restriction of position, the hobboing cutter tool rest generally is welded on the cutter head of shield machine, makes that the replacing hobboing cutter is all very difficult before and after cutterhead; Simultaneously; Because operating mode is changeable, in the shield machine tunneling process, need hobboing cutter be replaced with cutter in advance sometimes; Change so to get up to be difficult to, how to realize that therefore hobboing cutter not only installed the difficult point that firm but also easy accessibility just becomes shield-tunneling construction.
The utility model content
The purpose of the utility model provides a kind of hard rock cutter head of shield machine structure that the fixed hobboing cutter of square axle bed is installed, and solves the problem that the difficult installation of hobboing cutter is firm and dismounting is inconvenient on the cutterhead.
For realizing above-mentioned purpose, adopt following technical scheme:
A kind of hard rock cutter head of shield machine structure that the fixed hobboing cutter of square axle bed is installed; Comprise hobboing cutter, tool rest and cutterhead support; Said tool rest welded and installed is between corresponding a pair of cutterhead support; Tool rest up and down inwall all has the rhombus groove that fixing hobboing cutter is used, and tool rest up and down the inwall end face all be provided with the opening that is communicated with groove, the square shaft bearing at said hobboing cutter two ends is fixed on the groove inwall through wedge after rotating 45 °.
As a preferred version, have fixing hole on the said tool rest, all have the unthreaded hole that passes fixing hole on the tool rest inwall; Said wedge adopts up-narrow and down-wide rectangular configuration; Said square axle bed and groove inwall are close to, and in the middle of the rear portion is fixed on wedge groove inwall and square axle bed side, in fixing hole, insert threaded cylinder; Bolt passes wedge and threaded cylinder through being threaded, and wedge is fastening.
As further preferred version, said tool rest can be single chamber, two-chamber and four chamber tool rests, and said hobboing cutter can be single-blade and twolip hobboing cutter.
The utility model is through adopting two kinds of fixed hobboing cutters of square axle bed; Be twolip hobboing cutter and single-blade hobboing cutter; Be installed in hobboing cutter in three kinds of multi-form hobboing cutter tool rests many, all tool rests all at inwall both ends open up and down, can adopt back of the body formula tool changing mode when making shield machine installation/construction; All adopt wedge and bolton, can make axle bed fixing more firm; Use threaded small column, when changing cutter, can change together, be convenient to install with bolt; The square shaft bearing at hobboing cutter two ends is fixed on the groove inwall through wedge after rotating 45 °, has reduced the opening degree of tool rest, has increased the rigidity of tool rest, has guaranteed the rigidity of hobboing cutter simultaneously again; Simultaneously can also be in same tool rest and the general use of cutter cutter box in advance, increased the optimization property of cutterhead design.
Description of drawings
According to embodiment and accompanying drawing the utility model is done further explain below.
Fig. 1 is the utility model overall structure sketch map;
Fig. 2 for Fig. 1 at the B-B place sectional view;
Fig. 3 is the sectional view of Fig. 1 at the A-A place;
Fig. 4 is the fixed hobboing cutter of both sides' oblique crank Z seat that is installed in the tool rest of single chamber
Fig. 5 is the fixed hobboing cutter of both sides' oblique crank Z seat that is installed in two-chamber tool rest or the four chamber tool rests
Fig. 6 is that the C shown in Fig. 4 or Fig. 5 is to view
Fig. 7 is single chamber tool rest structure schematic top plan view;
Fig. 8 is a two-chamber tool rest structure schematic top plan view;
Fig. 9 is four chamber tool rest structure schematic top plan view;
Figure 10 is 2 kinds of hobboing cutters get into three kinds of tool rests when install at the rear portion of cutterhead a structural representation;
Figure 11 is that 2 kinds of fixed hobboing cutters of square axle bed rotate the structural representation that is installed in three kinds of tool rests through carrying out 45 degree after inserting;
Figure 12 is the structural representation that 2 kinds of fixed hobboing cutters of square axle bed are fixed in three kinds of tool rests;
Figure 13 is 2 kinds of fixed hobboing cutters of square axle bed get into three kinds of tool rests when install the front portion of cutterhead a structural representation.
Among the figure:
1, the square axle bed hobboing cutter of single-blade; 2, the square axle bed hobboing cutter of twolip; 3, scraper; 4, cutterhead outer shroud; 5, cutterhead panel; 6, foam injection hole, 7, outer shroud abrasion-proof backing block 8, tool rest carry gusset; 9, whole spoke slat; 10, whole spoke gusset 11, load-carrying ring; 12, the screwed hole that is connected with shield machine rotary support bearing on the load-carrying ring; 13, separate type spoke slat; 14, separate type spoke slat gusset; 15, two chamber hobboing cutter tool rests; 16, four chamber hobboing cutter tool rests; 17, single chamber hobboing cutter tool rest; 18, square axle bed; 19, hobboing cutter blade; 20, cylinder installing hole; 21, unthreaded hole; 22, groove; 23, threaded cylinder; 24, bolt; 25, wedge; 26, under shed; 27, upper shed; 28, fixing hole.
The specific embodiment
Below in conjunction with accompanying drawing, further specify the utility model through embodiment.
Like Fig. 1,2, shown in 3; In present embodiment; Shield machine comprises a pair of whole spoke slat 9 of 1,2, three types of tool rests of two types of hobboing cutters, two chamber hobboing cutter tool rests 15, four chamber hobboing cutter tool rests 16, single chamber hobboing cutter tool rest 17 and cutterhead with the cutterhead mounting structure of the fixed hobboing cutter of square axle bed, pair of separated formula spoke slat 13, said tool rest through welded and installed between a pair of whole spoke slat 9 of cutterhead panel 5 or between the pair of separated formula spoke slat 13; And by whole spoke gusset between some connection spoke slats 10 and 14 reinforcements of separate type spoke gusset; Three types tool rest inside is cavity, on the quantity in chamber, has any different, and is structurally identical like Fig. 7,8, shown in 9; Three types of tool rests about in the of 15,16,17 inwall have fixedly hobboing cutter with rhombus groove 22; Said tool rest inwall end face up and down is provided with upper shed 26 and under shed 27, and is communicated with groove 22, has fixing hole 28 on said three types of tool rests 15,16,17; And have unthreaded hole 21 on each tool rest inwall, said unthreaded hole 21 is connected with fixing hole 28.
Fig. 4, Fig. 5, Fig. 6 are two kinds of hobboing cutter structural representations, and the hobboing cutter structure comprises the square axle bed 18 and blade 19 at two ends.
During installation; Extremely shown in Figure 13 like Figure 10; Opening 28,27 on three types of tool rests 15,16,17 is pushed into the cavity of tool rest 15,16,17 from the below along cutter with the hobboing cutter that square axle bed 18 is installed 1 or 2, and square axle bed 18 is placed in the groove 22, realizes the tool changing of back of the body formula.As shown in the figure; With 45 ° of square axle bed 18 rotations, postrotational square shaft bearing 18 is continued to push away forward, make it to be close to groove 22 inwalls; In the middle of the rear portion is fixed on wedge 25 groove 22 inwalls and square axle bed 18 sides; In fixing hole 28, insert threaded cylinder 23, pass wedge 25 and threaded cylinder 23 through being threaded with bolt 24, and wedge 25 is fastening.
Shown in figure 13; In present embodiment; The hobboing cutter 1 or 2 that two ends is equipped with square shaft bearing 18 is pushed into the cavity of three types of tool rests 15,16,17 along the opening on three types of tool rests 15,16,17 from the top, and square shaft bearing 18 is placed in the groove 22, formula dress hobboing cutter before realizing.
The described mounting structure of the utility model can adopt back of the body formula tool changing mode and preceding formula dress cutter mode, and mounting structure is simple, is easy to install, dismantle, and has reduced the opening degree of tool rest simultaneously, has increased the rigidity of tool rest, has guaranteed the rigidity of hobboing cutter; Can also be in same tool rest and the general use of cutter cutter box in advance, increased the optimization property of cutterhead design.
Claims (3)
1. hard rock cutter head of shield machine structure that the fixed hobboing cutter of square axle bed is installed; Comprise hobboing cutter, tool rest and cutterhead support; It is characterized in that said tool rest welded and installed is between corresponding a pair of cutterhead support, tool rest up and down inwall all has the rhombus groove that fixing hobboing cutter is used; And tool rest inwall end face up and down all is provided with the opening that is communicated with groove, and the square shaft bearing at said hobboing cutter two ends is fixed on the groove inwall through wedge after rotating 45 °.
2. a kind of hard rock cutter head of shield machine structure that the fixed hobboing cutter of square axle bed is installed according to claim 1; It is characterized in that, have fixing hole on the said tool rest, all have the unthreaded hole that passes fixing hole on the tool rest inwall; Said wedge adopts up-narrow and down-wide rectangular configuration; Said square axle bed and groove inwall are close to, and in the middle of the rear portion is fixed on wedge groove inwall and square axle bed side, in fixing hole, insert threaded cylinder; Bolt passes wedge and threaded cylinder through being threaded, and wedge is fastening.
3. a kind of hard rock cutter head of shield machine structure that the fixed hobboing cutter of square axle bed is installed according to claim 1 is characterized in that, said tool rest can be single chamber, two-chamber and four chamber tool rests, and said hobboing cutter can be single-blade and twolip hobboing cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220028305 CN202531178U (en) | 2012-01-30 | 2012-01-30 | Hard rock shielding machine cutter structure provided with square bearing block fixed hob |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220028305 CN202531178U (en) | 2012-01-30 | 2012-01-30 | Hard rock shielding machine cutter structure provided with square bearing block fixed hob |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202531178U true CN202531178U (en) | 2012-11-14 |
Family
ID=47132368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220028305 Expired - Fee Related CN202531178U (en) | 2012-01-30 | 2012-01-30 | Hard rock shielding machine cutter structure provided with square bearing block fixed hob |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202531178U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536256A (en) * | 2012-01-30 | 2012-07-04 | 盾建重工制造有限公司 | Cutter head structure of hard rock shield machine, used for mounting fixed hob with square bearing seats |
| CN108168808A (en) * | 2017-12-22 | 2018-06-15 | 武汉大学 | A kind of shield cutter wear test model cutterhead of adjustable structure |
| CN109184720A (en) * | 2018-10-09 | 2019-01-11 | 南京林业大学 | It is a kind of can subregion independence thermometric shield model test cutterhead and test method |
-
2012
- 2012-01-30 CN CN 201220028305 patent/CN202531178U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102536256A (en) * | 2012-01-30 | 2012-07-04 | 盾建重工制造有限公司 | Cutter head structure of hard rock shield machine, used for mounting fixed hob with square bearing seats |
| CN108168808A (en) * | 2017-12-22 | 2018-06-15 | 武汉大学 | A kind of shield cutter wear test model cutterhead of adjustable structure |
| CN109184720A (en) * | 2018-10-09 | 2019-01-11 | 南京林业大学 | It is a kind of can subregion independence thermometric shield model test cutterhead and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20150130 |
|
| EXPY | Termination of patent right or utility model |