CN107313782A - A kind of hob holder - Google Patents
A kind of hob holder Download PDFInfo
- Publication number
- CN107313782A CN107313782A CN201710574035.XA CN201710574035A CN107313782A CN 107313782 A CN107313782 A CN 107313782A CN 201710574035 A CN201710574035 A CN 201710574035A CN 107313782 A CN107313782 A CN 107313782A
- Authority
- CN
- China
- Prior art keywords
- tool rest
- hob holder
- plane
- interior tool
- hob
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
Abstract
The present invention provides a kind of hob holder, including the support meanss for supporting hobboing cutter cutter shaft two ends and the fixing device for fixing hobboing cutter cutter shaft end being oppositely arranged.Support meanss include interior tool rest and outer tool rest, also, interior tool rest is fixed by welding in outer tool rest, and interior tool rest is provided with the locating slot for being used for arranging hobboing cutter cutter shaft end.Fixing device is arranged on interior tool rest.Interior tool rest is fixed with outer tool rest by the form of welding, dismountable connected mode such as middle use bolt and nut compared with prior art, structure is more stablized, and the problem of avoid the effect of attrition hob holder working life due to the fastener of fixed hob holder support meanss.
Description
Technical field
The invention belongs to the technical field of tunnel construction machinery, and in particular to a kind of hob holder.
Background technology
Hobboing cutter on cutter head of shield machine is very important part, and the device that hobboing cutter is installed on cutterhead is also extremely important
's.The whether stable working life for directly affecting cutterhead of the structure of hob head.At present, the part for supporting hobboing cutter is used on hob head
Mainly connected by the way of detachable, the effect of attrition of fastener hob head integrally-built stability, so as to have impact on
The working life of cutterhead.
The content of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art there is provided a kind of hob holder, it is possible to increase
The stability and working life of hobboing cutter holder structure, so as to improve cutterhead working life.
In order to solve the above-mentioned technical problem, technical scheme proposed by the present invention is：
A kind of hob holder, including the support meanss for being used to support hobboing cutter cutter shaft two ends that are oppositely arranged and for fixed rolling
The fixing device of knife cutter shaft end.Support meanss include interior tool rest and outer tool rest, also, interior tool rest is fixed by welding in outer knife
In seat, interior tool rest is provided with the locating slot for being used for arranging hobboing cutter cutter shaft end.Fixing device is arranged on interior tool rest.
According to the hob holder of the present invention, interior tool rest fixed with outer tool rest by the form of welding, compared with prior art in
Using dismountable connected mode such as bolt and nut, structure is more stablized, and avoids due to fixed hob holder support dress
The problem of effect of attrition hob holder working life for the fastener put.
For above-mentioned technical proposal, the further improvement that can be also discussed below.
According to the hob holder of the present invention, processing support plate, also, technique branch are provided between the support meanss being oppositely arranged
Fagging can be removed.This processing support plate can realize hob head formed before being installed on cutterhead one it is constitutionally stable
It is overall, so as to which easily whole hob head is arranged on cutterhead, after hob head is installed, cutting can be passed through again
Processing support plate is removed etc. mode, so as to subsequent installation hobboing cutter.
In one preferred embodiment, specifically, fixing device includes：It is arranged in voussoir in locating slot, arrangement
Briquetting in interior tool rest bottom, the alignment pin for briquetting to be fixed on to interior tool rest bottom and for fixing voussoir and briquetting
Fastener.The inclined-plane of voussoir can be with hobboing cutter cutter shaft ends contact, the bottom of interior tool rest, which is provided with, and briquetting formation coordinates opens
Mouthful, it is provided between locating slot and opening and is easy to the passage that fastener passes through.Further, fastener includes screw bolt and nut.Rolling
The fastening form that the installation of knife is coordinated by voussoir and bolt and nut, it can be ensured that install reliable and stable, so that raising knife
Disk working life.Further, fastener also includes packing ring, and gasket arrangement is between nut and briquetting.Packing ring can enter one
Bolt looseness is prevented to step, and pressure of the nut to briquetting can be disperseed, the stabilization of Cutting tool installation manner has been thereby further ensured that
Reliability.In addition, this fastening means, fastening accessory is few, cutter is easy to disassembling, assembling and replacing.
It is preferably carried out at one in mode, interior tool rest is made up of high-alloy steel material.Because high-alloy steel material has
A series of premium properties such as high intensity, high tenacity, wear-resisting, corrosion-resistant, are particularly suitable for use in installing the interior tool rest of hobboing cutter, so as to enter one
The fatigue life of step increase hob holder.
It is preferably carried out at one in mode, outer tool rest is made up of low-alloy structural steel material.Due to low-alloy structural steel
With higher intensity, enough plasticity and toughness, good welding performance, the outer knife welded with cutterhead body is particularly suitable for use in
Seat, on the one hand can improve the working life of hob holder, on the other hand, it can be ensured that outer tool rest is easy to weld with cutterhead body
Connect, so that it is guaranteed that the integrally-built stabilization of hob head.
Further, it is preferably carried out at one in mode, the inner surface of locating slot uses Quenching Treatment, so adds
The hardness on the surface contacted on locating slot with cutter shaft, so as to improve the service life of hob holder.
In a specific embodiment, outer tool rest is configured with the first plane, adjacent with the first plane second
The support of plane and threeth plane adjacent with the second plane, also, the first plane arrangement corresponding with the 3rd plane.Interior tool rest
It is configured to the sheet material coordinated with the formation of the second plane.This setup, it can be ensured that the stable arrangement of interior tool rest is in outer tool rest
The receiving space of opening that constitutes of three planes in, also, the supporting structure that this three planes are constituted is simple, stability
It is good.
Compared with prior art, the advantage of the invention is that：Stability Analysis of Structures, and avoid due to fixed hob holder support
The problem of effect of attrition hob holder working life of the fastener of device.
Brief description of the drawings
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.Wherein：
Fig. 1 schematically illustrates the overall structure of the hob holder of the embodiment of the present invention；
The hob holder that Fig. 2 schematically illustrates the embodiment of the present invention installs the partial structurtes after hobboing cutter；
The hob holder that Fig. 3 schematically illustrates the embodiment of the present invention installs the overall structure after hobboing cutter.
In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not drawn according to actual ratio.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments, but does not therefore limit this
The protection domain of invention.
Fig. 1 schematically illustrates the overall structure of the hob holder 10 of the embodiment of the present invention.Fig. 2 schematically illustrates this hair
The hob holder 10 of bright embodiment installs the partial structurtes after hobboing cutter 4.Fig. 3 schematically illustrates the hobboing cutter knife of the embodiment of the present invention
Seat 10 installs the overall structure after hobboing cutter 4.As depicted in figs. 1 and 2, hob holder 10 according to embodiments of the present invention, including phase
To the support meanss 1 for supporting hobboing cutter cutter shaft two ends and the fixing device 2 for fixing hobboing cutter cutter shaft end of setting.Support
Device 1 includes interior tool rest 11 and outer tool rest 12, also, interior tool rest 11 is fixed by welding in outer tool rest 12, on interior tool rest 11
Provided with the locating slot 111 for arranging hobboing cutter cutter shaft end.Fixing device 2 is arranged on interior tool rest 11.As shown in figure 1, this hair
Processing support plate 3, also, processing support plate 3 are provided between the hob holder 10 of bright embodiment, the support meanss 1 being oppositely arranged
It can remove.This processing support plate can realize hob head formed before being installed on cutterhead one it is constitutionally stable whole
Body, so as to which easily whole hob head is arranged on cutterhead, after hob head is installed, can pass through cutting etc. again
Mode removes processing support plate, so as to subsequent installation hobboing cutter.
As shown in Fig. 2 in one preferred embodiment, specifically, fixing device 2 includes：It is arranged in locating slot
Voussoir 21, be arranged in the briquetting 22 of the interior bottom of tool rest 11, the alignment pin 23 for briquetting 22 to be fixed on to the interior bottom of tool rest 11,
With the fastener 24 for fixing voussoir 21 and briquetting 22.The inclined-plane of voussoir 21 can be with the cutter shaft of hobboing cutter 4 ends contact, interior knife
The bottom of seat 11 is provided with the opening 112 coordinated with the formation of briquetting 22, provided with being easy to fastener between locating slot 111 and opening 112
The passage 113 passed through.Further, fastener 24 includes bolt 241 and nut 242.The installation of hobboing cutter passes through voussoir and bolt
The fastening form that nut coordinates, it can be ensured that install reliable and stable, so as to improve cutterhead working life.Further,
Fastener 24 also includes packing ring 243, and packing ring 243 is arranged between nut 242 and briquetting 22.Packing ring can further prevent spiral shell
Bolt loosens, and can disperse pressure of the nut to briquetting, has thereby further ensured that the reliability of Cutting tool installation manner.Separately
Outside, this fastening means, fastening accessory is few, and cutter is easy to disassembling, assembling and replacing.
It is preferably carried out at one in mode, interior tool rest 11 is made up of high-alloy steel material.Due to high-alloy steel material tool
There are a series of premium properties such as high intensity, high tenacity, wear-resisting, corrosion-resistant, be particularly suitable for use in installing the interior tool rest of hobboing cutter, so as to enter
One step increases the fatigue life of hob holder.Outer tool rest 12 is made up of low-alloy structural steel material.Due to low-alloy structural steel tool
There are higher intensity, enough plasticity and toughness, good welding performance, be particularly suitable for use in the outer knife welded with cutterhead body
Seat, on the one hand can improve the working life of hob holder, on the other hand, it can be ensured that outer tool rest is easy to weld with cutterhead body
Connect, so that it is guaranteed that the integrally-built stabilization of hob head.Further, the inner surface of locating slot 111 uses Quenching Treatment, so increases
The hardness on the surface contacted on locating slot with cutter shaft is added, so as to improve the service life of hob holder.
As shown in figure 1, in embodiments of the present invention, specifically, outer tool rest 12 is configured with the first plane 121, with the
The support of the second adjacent plane 122 of one plane 121 and threeth plane 123 adjacent with the second plane 122, also, first is flat
The correspondence of plane 123 of face 121 and the 3rd is arranged.Interior tool rest 11 is configured to the sheet material coordinated with the formation of the second plane 122.This set
Mode, it can be ensured that in the receiving space for the opening that the stable arrangement of interior tool rest is constituted in three planes of outer tool rest, also, this
Supporting structure that kinds of three planes are constituted is simple, stability is good.
As shown in Figures 2 and 3, hob holder 10 cuts off processing support plate 3 after being welded on cutterhead.Hobboing cutter 4 is installed
When, first the cutter shaft two ends of hobboing cutter 4 are arranged in the locating slot 111 for the interior tool rest 11 being oppositely arranged, voussoir is then installed
21st, briquetting 22, alignment pin 23, bolt 241, packing ring 243 and nut 242, and ensure the inclined-plane of voussoir 21 and the knife of hobboing cutter 4
Shaft end is contacted.The fastening of cutter is main to be supported by hob holder to hobboing cutter, while being drawn using the bolt between voussoir, briquetting
Tightly, make cutter extrude by the inclined-plane of voussoir to fasten.
According to above-described embodiment, it is seen that hob holder of the present invention, the form that interior tool rest passes through welding with outer tool rest
Fixed, dismountable connected mode such as middle use bolt and nut compared with prior art, structure is more stablized, and avoid due to
The problem of effect of attrition hob holder working life of the fastener of fixed hob holder support meanss.
Although by reference to preferred embodiment, invention has been described, is not departing from the situation of the scope of the present invention
Under, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as in the absence of structure punching
Prominent, the every technical characteristic being previously mentioned in each embodiment can combine in any way.The invention is not limited in text
Disclosed in specific embodiment, but all technical schemes including falling within the scope of the appended claims.
Claims (10)
1. a kind of hob holder, it is characterised in that including the support meanss for being used to support hobboing cutter cutter shaft two ends that are oppositely arranged and
Fixing device for fixing hobboing cutter cutter shaft end；
The support meanss include interior tool rest and outer tool rest, also, the interior tool rest is fixed by welding in the outer tool rest,
The interior tool rest is provided with the locating slot for being used for arranging the hobboing cutter cutter shaft end；
The fixing device is arranged on the interior tool rest.
2. a kind of hob holder according to claim 1, it is characterised in that set between the support meanss being oppositely arranged
There is processing support plate, also, the processing support plate can be removed.
3. hob holder according to claim 1 or 2, it is characterised in that the fixing device includes：It is described fixed to be arranged in
Position groove in voussoir, be arranged in the briquetting of the interior tool rest bottom, for the briquetting to be fixed on into the interior tool rest bottom
Alignment pin and the fastener for fixing the voussoir and briquetting；
The inclined-plane of the voussoir can be with hobboing cutter cutter shaft ends contact；
The bottom of the interior tool rest is provided with the opening coordinated with briquetting formation；
It is provided between the locating slot and the opening and is easy to the passage that fastener passes through.
4. the hob holder according to claim 3, it is characterised in that the fastener includes screw bolt and nut.
5. hob holder according to claim 4, it is characterised in that the fastener also includes packing ring, the packing ring cloth
Put between the nut and the briquetting.
6. hob holder according to any one of claim 1 to 5, it is characterised in that the interior tool rest is by high-alloy steel
Material is made.
7. hob holder according to any one of claim 1 to 6, it is characterised in that the outer tool rest is by low-alloy knot
Structure steel matter is made.
8. hob holder according to any one of claim 1 to 7, it is characterised in that the inner surface of the locating slot is adopted
Use Quenching Treatment.
9. according to the hob holder stated any one of claim 1 to 8, it is characterised in that the outer tool rest is configured to tool
There is the support of the first plane, second plane adjacent with first plane and threeth plane adjacent with second plane,
Also, first plane arrangement corresponding with the 3rd plane.
10. hob holder according to claim 9, it is characterised in that the interior tool rest is configured to and second plane
Form the sheet material coordinated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710574035.XA CN107313782A (en) | 2017-07-14 | 2017-07-14 | A kind of hob holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710574035.XA CN107313782A (en) | 2017-07-14 | 2017-07-14 | A kind of hob holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107313782A true CN107313782A (en) | 2017-11-03 |
Family
ID=60178602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710574035.XA Pending CN107313782A (en) | 2017-07-14 | 2017-07-14 | A kind of hob holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107313782A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109372537A (en) * | 2018-11-28 | 2019-02-22 | 中铁工程装备集团有限公司 | Based on electrichydraulic control can rapid changing knife New Kind of Hob tool apron |
| CN109374268A (en) * | 2018-05-02 | 2019-02-22 | 中南大学 | A kind of shield machine/TBM hob tool apron fatigue stress and life testing method and its device |
| CN109763833A (en) * | 2019-03-29 | 2019-05-17 | 中国铁建重工集团有限公司 | A kind of development machine and its central hob axial locking device |
| CN109973102A (en) * | 2019-04-23 | 2019-07-05 | 马鞍山灵山机械设备科技有限公司 | A kind of mounting structure of disk cutter |
| CN110080788A (en) * | 2019-06-06 | 2019-08-02 | 中国铁建重工集团股份有限公司 | A kind of shield machine roller cutter girff device |
| CN110132780A (en) * | 2019-04-22 | 2019-08-16 | 马鞍山灵山机械设备科技有限公司 | A kind of simulating cut verifying attachment of Rock cutting cutter |
| CN110847925A (en) * | 2019-12-20 | 2020-02-28 | 中国铁建重工集团股份有限公司 | Front-mounted hob cutter holder device |
| CN110985022A (en) * | 2019-12-20 | 2020-04-10 | 中国铁建重工集团股份有限公司 | Tool apron device |
| CN111119915A (en) * | 2019-12-17 | 2020-05-08 | 中铁工程装备集团有限公司 | High-strength TBM (tunnel boring machine) center knife box and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109374268A (en) * | 2018-05-02 | 2019-02-22 | 中南大学 | A kind of shield machine/TBM hob tool apron fatigue stress and life testing method and its device |
| CN109372537A (en) * | 2018-11-28 | 2019-02-22 | 中铁工程装备集团有限公司 | Based on electrichydraulic control can rapid changing knife New Kind of Hob tool apron |
| CN109763833A (en) * | 2019-03-29 | 2019-05-17 | 中国铁建重工集团有限公司 | A kind of development machine and its central hob axial locking device |
| CN110132780A (en) * | 2019-04-22 | 2019-08-16 | 马鞍山灵山机械设备科技有限公司 | A kind of simulating cut verifying attachment of Rock cutting cutter |
| CN109973102A (en) * | 2019-04-23 | 2019-07-05 | 马鞍山灵山机械设备科技有限公司 | A kind of mounting structure of disk cutter |
| CN110080788A (en) * | 2019-06-06 | 2019-08-02 | 中国铁建重工集团股份有限公司 | A kind of shield machine roller cutter girff device |
| CN111119915A (en) * | 2019-12-17 | 2020-05-08 | 中铁工程装备集团有限公司 | High-strength TBM (tunnel boring machine) center knife box and preparation method thereof |
| CN110847925A (en) * | 2019-12-20 | 2020-02-28 | 中国铁建重工集团股份有限公司 | Front-mounted hob cutter holder device |
| CN110985022A (en) * | 2019-12-20 | 2020-04-10 | 中国铁建重工集团股份有限公司 | Tool apron device |
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| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 410100 No. 88 East 7 Line, Changsha Economic and Technological Development Zone, Hunan Province Applicant after: China Railway Construction Heavy Industry Group Co., Ltd. Address before: 410100 No. 88 Dongqi Road, Jingkai District, Changsha City, Hunan Province Applicant before: China Railway Construction Heavy Industry Co.,Ltd. |