CN209261570U - A kind of shield Hob fixing device - Google Patents
A kind of shield Hob fixing device Download PDFInfo
- Publication number
- CN209261570U CN209261570U CN201821583466.9U CN201821583466U CN209261570U CN 209261570 U CN209261570 U CN 209261570U CN 201821583466 U CN201821583466 U CN 201821583466U CN 209261570 U CN209261570 U CN 209261570U
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- CN
- China
- Prior art keywords
- bolt
- pin block
- briquetting
- mounting groove
- voussoir
- Prior art date
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Abstract
The utility model relates to shield machine technical fields, disclose a kind of shield Hob fixing device, including girff, hobboing cutter assembly, voussoir, the first bolt, the second bolt, pin block and briquetting, and the hobboing cutter assembly includes hobboing cutter and the cutter shaft seat connecting with hobboing cutter；Two sides are respectively arranged with mounting groove in the girff, and the cutter shaft seat is inserted into mounting groove；It is respectively arranged with voussoir at left and right sides of cutter shaft seat lower end, is provided with inverted draw cut on the voussoir；Cotter way is provided on the mounting groove, the pin block is placed in cotter way；The bolt hole being connected to cotter way is additionally provided on the mounting groove；It is provided with briquetting below the voussoir, the upper surface of the briquetting is close to the lower surface of voussoir, and the briquetting is fixed in mounting groove by the second bolt, connect after the second bolt-through briquetting with girff.The shield Hob fixing device of the utility model is simple and compact for structure, greatly reduces installation difficulty and reduces the impact force that mounting groove is subject to, improves safety.
Description
Technical field
The utility model relates to shield machine technical fields, more particularly to a kind of shield Hob fixing device.
Background technique
Shield machine for tunneling boring hard rock or the construction of underground tunnel of compound stratum usually requires installation hobboing cutter.Hobboing cutter is
Blade is that assembling structure is returned at discoid center, is fixed in girff by locking hobboing cutter cutter shaft seat, girff is fixed by welding in
On cutter head structure.When work, hobboing cutter with cutterhead along circular trace when being rolled in excavation face, blade squeeze rock, make rock
Conquassation is crushed to the purpose up to rock cutting.
Current hobboing cutter, for example, self-positioning disc-type hob device disclosed in Chinese patent CN102635366A and
Full face rock tunnel boring machine hobboing cutter locking device disclosed in CN106837366A has only locked cutter shaft center cutter shaft seat below
The body structure surface of the cutter shaft seat of cutter shaft center line or more is not locked on inclined-plane；In order to facilitate replacement cutter, cutter shaft seat and girff exist
There is certain gap in the hobboing cutter direction of motion；It designs and mainly considers the reaction force that hobboing cutter squeezes rock generation, to hobboing cutter
Suffered tangential friction force and impact force and thus generate harm consider it is insufficient；Hobboing cutter during long-time broken rock, with
The stress surface and other indirect stress surfaces that cutter shaft seat is in contact, can not be effective against tangent direction friction resistance and impact force, cause compared with
There are weak vibrations in turn in the contact surface abrasion and deformation of softwood matter, cutter shaft seat, and connection bolt gradually loosens, as vibration aggravates
Hobboing cutter is ultimately caused to fall.
And shield machine disk cutter installation locking system disclosed in Chinese patent CN108119155A, although to cutter shaft center
Cutter shaft seat more than line is locked, but is fixed below cutter shaft center line using tension block, and vertical by bolt
Connection, in this way under the long-term vibration of hobboing cutter, the screw thread of bolt is easy to polish loosening, causes cutterhead to be easy to fall off, and bolt
It needs to be torqued into cutter shaft seat, install complicated laborious.
Utility model content
The purpose of the utility model is to provide a kind of shield Hob fixing devices can by locking briquetting and voussoir
Effectively reduce the influence that frictional force suffered by hobboing cutter and impact force lock cutter shaft seat.
In order to solve the above-mentioned technical problem, the utility model provides a kind of shield Hob fixing device, including girff, hobboing cutter
Assembly, voussoir, the first bolt, the second bolt, pin block and briquetting, the hobboing cutter assembly include hobboing cutter and the cutter shaft that connect with hobboing cutter
Seat；Two sides are respectively arranged with mounting groove in the girff, and the cutter shaft seat is inserted into mounting groove；The left and right of cutter shaft seat lower end
Two sides are respectively arranged with voussoir, are provided with inverted draw cut on the voussoir；The cotter way to match with inverted draw cut is provided on the mounting groove,
The pin block is placed in cotter way；The bolt hole being connected to cotter way, the diameter of the bolt hole are additionally provided on the mounting groove
No more than the diameter of cotter way, first bolt passing through bolt hole withstands pin block；Briquetting, the pressure are provided with below the voussoir
The upper surface of block is close to the lower surface of voussoir, and the briquetting is fixed in mounting groove by the second bolt, second bolt
It is connect after extending vertically through briquetting with girff.
Preferably, first bolt and the second bolt are also cased with gasket.
Preferably, the rear portion of first bolt, which is set up separately, is set to non-threaded section.
Preferably, the depth of the cotter way is not less than the height of pin block, and the depth of the inverted draw cut is less than pin block
Highly.
Preferably, the bottom of the pin block is provided with pin block screw hole of the diameter less than the first bolt.
Preferably, the pin block is provided with cylindrical handle.
Preferably, gasket is provided between the pin block and the first bolt.
Pin block is placed into cotter way in advance in advance when the shield Hob fixing device installation of the utility model, then by cutter shaft
In seat insertion mounting groove, voussoir is filled in, pin block part is headed by inverted draw cut by the first bolt, pin block is fixed, then will
Briquetting resists voussoir, is fixed briquetting by the second bolt.When disassembly, above-mentioned steps are opposite.
The utility model provides a kind of shield Hob fixing device, has the advantages that
The shield Hob fixing device of the utility model provides reliable support by setting mounting groove for cutter shaft seat, has
Effect reduces the influence that frictional force suffered by hobboing cutter and impact force lock cutter shaft seat；It is provided with voussoir and briquetting, voussoir simultaneously
It is fixed by pin block, and is withstood by briquetting, dual fixed guarantee, and traditional bolt is replaced using pin block, make to contact
The case where being not in bolt failure at face, and the second bolt of briquetting is fixed using vertical briquetting, is avoided screw thread and is answered cutterhead
Vibratory impulse and fail, substantially increase safety and reduce failure rate, and without being connect with cutter shaft seat by bolt,
The influence of cutterhead impact force is greatly reduced, it is simple and compact for structure.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of shield Hob fixing device provided by the embodiment of the utility model；
Fig. 2 is a kind of schematic cross-sectional view of shield Hob fixing device provided by the embodiment of the utility model.
Appended drawing reference: 1, girff；2, hobboing cutter；3, cutter shaft seat；4, mounting groove；5, voussoir；6, briquetting；7, the first bolt；8,
Second bolt；9, pin block.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to FIG. 1 to FIG. 2, a kind of shield Hob fixing device of the preferred embodiment in the utility model, including girff 1, rolling
Knife assembly, voussoir 5, the first bolt 7, the second bolt 8, pin block 9 and briquetting 6, the hobboing cutter assembly include hobboing cutter 2 and with hobboing cutter 2
The cutter shaft seat 3 of connection；Two sides are respectively arranged with mounting groove 4 in the girff 1, and the cutter shaft seat 3 is inserted into mounting groove 4；It is described
It is respectively arranged with voussoir 5 at left and right sides of 3 lower end of cutter shaft seat, is provided with inverted draw cut on the voussoir 5；It is arranged on the mounting groove 4
There is the cotter way to match with inverted draw cut, the pin block 9 is placed in cotter way；It is additionally provided on the mounting groove 4 and to be connected to cotter way
Bolt hole, the diameter of the bolt hole are not more than the diameter of cotter way, and first bolt 7 passes through bolt hole and withstands pin block 9；It is described
Briquetting 6 is provided with below voussoir 5, the upper surface of the briquetting 6 is close to the lower surface of voussoir 5, and the briquetting 6 passes through the second spiral shell
Bolt 8 is fixed in mounting groove 4, and second bolt 8 is connect after extending vertically through briquetting 6 with girff 1.
Above scheme, the shield Hob fixing device of the preferred embodiment in the utility model are cutter shaft by setting mounting groove 4
Seat 3 provides reliable support, effectively reduces the influence that frictional force suffered by hobboing cutter 2 and impact force lock cutter shaft seat 3；
It is provided with voussoir 5 and briquetting 6 simultaneously, voussoir 5 is fixed by pin block 9, and is withstood by briquetting 6, dual fixed guarantee, and
Traditional bolt is replaced using pin block 9, makes the case where being not in bolt failure at contact surface, and the second bolt 8 of briquetting 6 is adopted
It is fixed with vertical briquetting 6, it avoids screw thread and answers the vibratory impulse of cutterhead and fail, substantially increase safety and reduce failure
Rate, and connect without passing through bolt with cutter shaft seat 3, the influence of cutterhead impact force is greatly reduced, it is simple and compact for structure.
Preferably, first bolt 7 and the second bolt 8 are also cased with gasket.
Preferably, the rear portion of first bolt 7, which is set up separately, is set to non-threaded section.
Specifically, can be by avoiding the process for leading to withstand pin block 9 because screw thread is too long from consuming by non-threaded section of setting
When it is too long, only need the screw thread of leading portion that can be consolidated well to pin block 9.
Preferably, the depth of the cotter way is equal to the height of pin block 9, and the depth of the inverted draw cut is less than the height of pin block 9.
Specifically, after the first bolt 7 is back-outed, pin block 9 can keep with 4 same plane of mounting groove, facilitate voussoir 5 to take
Out.
Preferably, the bottom of the pin block 9 is provided with pin block screw hole of the diameter less than the first bolt 7.
Specifically, when voussoir 5 it is stuck in inverted draw cut or cotter way when, can by tiny bolt be inserted into pin block screw hole in
Pin block 9 is moved.
Preferably, the pin block 9 is provided with cylindrical handle.
Preferably, gasket is provided between the pin block 9 and the first bolt 7.
Pin block 9 is placed into cotter way in advance in advance when the shield Hob fixing device installation of the utility model, then by knife
Axle bed 3 is inserted into mounting groove 4, fills in voussoir 5,9 part of pin block is headed into inverted draw cut by the first bolt 7, is consolidated to pin block 9
It is fixed, briquetting 6 is then resisted into voussoir 5, it is by the second bolt 8 that briquetting 6 is fixed.When disassembly, above-mentioned steps are opposite.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (7)
1. a kind of shield Hob fixing device, it is characterised in that: including girff, hobboing cutter assembly, voussoir, the first bolt, the second spiral shell
Bolt, pin block and briquetting, the hobboing cutter assembly include hobboing cutter and the cutter shaft seat connecting with hobboing cutter；Two sides are respectively set in the girff
There is mounting groove, the cutter shaft seat is inserted into mounting groove；Voussoir, the wedge are respectively arranged at left and right sides of cutter shaft seat lower end
Inverted draw cut is provided on block；The cotter way to match with inverted draw cut is provided on the mounting groove, the pin block is placed in cotter way；It is described
It is additionally provided with the bolt hole being connected to cotter way on mounting groove, the diameter of the bolt hole is not more than the diameter of cotter way, and described first
Bolt passing through bolt hole withstands pin block；Briquetting, the upper surface of the briquetting and the lower surface of voussoir are provided with below the voussoir
It is close to, the briquetting is fixed in mounting groove by the second bolt, is connect after the second bolt-through briquetting with girff.
2. shield Hob fixing device as described in claim 1, which is characterized in that first bolt and the second bolt also cover
There is gasket.
3. shield Hob fixing device as claimed in claim 2, which is characterized in that the rear portion of first bolt, which is set up separately, to be set to
Non-threaded section.
4. shield Hob fixing device as described in claim 1, which is characterized in that the depth of the cotter way is not less than pin block
Highly, the depth of the inverted draw cut is less than the height of pin block.
5. shield Hob fixing device as described in claim 1, which is characterized in that the bottom of the pin block is provided with one directly
Pin block screw hole of the diameter less than the first bolt.
6. shield Hob fixing device as described in claim 1, which is characterized in that the pin block is provided with cylindrical handle.
7. shield Hob fixing device as described in claim 1, which is characterized in that be arranged between the pin block and the first bolt
There is gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821583466.9U CN209261570U (en) | 2018-09-27 | 2018-09-27 | A kind of shield Hob fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821583466.9U CN209261570U (en) | 2018-09-27 | 2018-09-27 | A kind of shield Hob fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209261570U true CN209261570U (en) | 2019-08-16 |
Family
ID=67553318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821583466.9U Active CN209261570U (en) | 2018-09-27 | 2018-09-27 | A kind of shield Hob fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209261570U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374622A (en) * | 2019-09-02 | 2019-10-25 | 盾构及掘进技术国家重点实验室 | A kind of Novel cutter holder preventing hobboing cutter eccentric wear |
| CN112727486A (en) * | 2021-01-29 | 2021-04-30 | 安徽唐兴机械装备有限公司 | Dead mounting structure of disc cutter card and push bench of applied this structure |
-
2018
- 2018-09-27 CN CN201821583466.9U patent/CN209261570U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374622A (en) * | 2019-09-02 | 2019-10-25 | 盾构及掘进技术国家重点实验室 | A kind of Novel cutter holder preventing hobboing cutter eccentric wear |
| CN110374622B (en) * | 2019-09-02 | 2020-11-06 | 盾构及掘进技术国家重点实验室 | Cutter holder for preventing hob from eccentric wear |
| CN112727486A (en) * | 2021-01-29 | 2021-04-30 | 安徽唐兴机械装备有限公司 | Dead mounting structure of disc cutter card and push bench of applied this structure |
| CN112727486B (en) * | 2021-01-29 | 2023-03-31 | 安徽唐兴装备科技股份有限公司 | Dead mounting structure of disc cutter card and push bench of applied this structure |
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