CN110847925A - Front-mounted hob cutter holder device - Google Patents
Front-mounted hob cutter holder device Download PDFInfo
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- CN110847925A CN110847925A CN201911326812.4A CN201911326812A CN110847925A CN 110847925 A CN110847925 A CN 110847925A CN 201911326812 A CN201911326812 A CN 201911326812A CN 110847925 A CN110847925 A CN 110847925A
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- nut
- holder
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- 238000003825 pressing Methods 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 3
- 238000010791 quenching Methods 0.000 claims description 2
- 230000000171 quenching effect Effects 0.000 claims description 2
- 230000005641 tunneling Effects 0.000 abstract description 11
- 238000009434 installation Methods 0.000 description 23
- 238000003466 welding Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
- E21D9/104—Cutting tool fixtures
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- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a front-mounted hob cutter holder device which comprises a supporting device and a locking device, wherein the supporting device is used for supporting two ends of a hob cutter shaft, the locking device is used for locking the end part of the hob cutter shaft, the supporting device comprises a cutter holder base plate and two front-mounted cutter holder plates which are fixedly connected to two sides of the cutter holder base plate respectively and are arranged oppositely, positioning grooves used for positioning the end part of the hob cutter shaft are arranged on the front-mounted cutter holder plates, and the locking device is arranged on the front-mounted cutter holder plates. By using the front-mounted hob seat device provided by the invention, the mounting operation of the hob is convenient, and the hob seat device has good stress characteristics, and can improve the tunneling efficiency and the service life of the hob and the hob head.
Description
Technical Field
The invention relates to the technical field of tunneling construction equipment, in particular to a front-mounted hob holder device.
Background
The tunnel boring machine is widely applied to the fields of heavy engineering such as subways, municipal works, railways, highways and the like, and is an important instrument for reflecting the manufacturing level of national high-end equipment. The hob cutter is used as a main rock breaking cutter of the heading machine, and is complex in stress condition and severe in working environment. Therefore, the stability of the installation of the hob has a great influence on the service life of the hob and the cutter head.
In the prior art, a common hob installation mode is a rear-loading hob installation mode, that is, the hob is positioned on a corresponding hob seat from the rear side of a hob disc, and then the hob is fixedly installed through a fixing device.
However, as the application range of the development machine becomes wider, the limitation of the after-loading hob becomes more and more prominent. After-loading hobs require that the back side of the cutterhead provide sufficient installation space, which under certain conditions is often not available, resulting in a hob that cannot be installed. In addition, the weld seam of the tool apron of the after-loading hob needs to bear huge impact load, and the weld seam of the tool apron is easy to crack, so that the tunneling efficiency and the service life of the hob and the cutter head are influenced.
In summary, how to provide a device with good stress characteristics for facilitating the installation of a hob is an urgent problem to be solved by those skilled in the art.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a front-loading hob holder device, which facilitates the installation operation of the hob, has good stress characteristics, and can improve the tunneling efficiency and the service life of the hob and the hob head.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a front-mounted hobbing cutter blade holder device, is including the strutting arrangement who is used for supporting the both ends of hobbing cutter arbor and the locking device who is used for locking the tip of hobbing cutter arbor, and strutting arrangement includes blade holder bottom plate, two and links firmly respectively in the both sides of blade holder bottom plate and the relative front-mounted cutter bedplate that sets up, all is equipped with the constant head tank that is used for advancing the location to the tip of hobbing cutter arbor on the front-mounted cutter bedplate, and locking device sets up in the front on the front-mounted cutter bedplate.
Preferably, the two front tool apron installing plates are welded and fixed on two sides of the tool apron bottom plate, and the front tool apron installing plates are wear-resistant material plates.
Preferably, a supporting connecting plate for improving the overall stability of the tool apron is arranged between the oppositely arranged front tool apron plates.
Preferably, the bottom of preceding dress bedplate is equipped with the open slot, and locking device includes: the wedge block is arranged in the positioning groove and used for fixing the end part of the hob cutter shaft, the pressing block is arranged in the open slot, and the fastener is used for fixing the wedge block and the pressing block.
Preferably, the fastener comprises a stud and a nut, the wedge block is provided with a through hole for the stud to pass through, the axis of the through hole is aligned with the axis of the first channel, and the pressing block is provided with a threaded hole matched with the stud.
Preferably, the fastener includes a washer disposed between the nut and the wedge.
Preferably, the fastener comprises a cap-type counter nut disposed above the nut, at the topmost end of the stud.
Preferably, the locking device comprises: the wedge block is arranged in the positioning groove and used for fixing the end part of the hob cutter shaft, the fixing piece is used for fixing the wedge block, the wedge block is provided with an inclined surface which is in contact fit with the inclined surface of the end part of the hob cutter shaft, and the front hob installing base plate is provided with a second channel which is convenient for the fixing piece to pass through.
Preferably, the fixing piece comprises a bolt and a nut, the wedge block is provided with a hole for the bolt to pass through, the axis of the wedge block is aligned with the axis of the second channel, and the bottom of the second channel is provided with a threaded hole matched with the bolt.
Preferably, the positioning groove is a groove with a quenched surface.
When the front-mounted hob holder device provided by the invention is used for installing the hob, the hob is firstly placed on the supporting device, and the end part of the hob shaft is aligned with the positioning groove of the front-mounted hob holder plate, so that the hob is supported and preliminarily positioned. And then, the end part of the hob shaft is locked by a locking device arranged on the front cutter seat plate, so that the installation stability of the hob is improved.
The device provided by the invention adopts a front-mounted hob installation mode, namely, the hob is positioned on a corresponding hob seat from the front side of the hob head and then is locked and fixedly installed through the locking device. Therefore, the problem of space limitation existing in the installation of the rear-mounted hob can be solved, and the hob can be more conveniently installed by adopting the installation mode of the front-mounted hob.
In addition, because the supporting device comprises the tool apron bottom plate and the two front tool apron plates which are respectively fixedly connected to the two sides of the tool apron bottom plate and are oppositely arranged, when the supporting device is subjected to huge impact load, the tool apron bottom plate can bear large impact load. Because the whole bottom plate surface of the cutter holder bottom plate bears the impact load, compared with the rear-mounted hob holder which only bears the impact load through the welding line, the rear-mounted hob holder has better force transmission characteristic, thereby greatly reducing the influence of the impact load on the welding line, further avoiding the cracking of the welding line of the hob holder, and finally improving the tunneling efficiency and the service life of the hob and the cutter head.
In summary, the front-mounted hob holder device provided by the invention facilitates the mounting operation of the hob, and has good stress characteristics, so that the tunneling efficiency and the service life of the hob and the hob head can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view of a first embodiment of a front-loading hob holder apparatus according to the present invention;
FIG. 2 is a schematic view of the overall structure of the front-loading hob holder device and the hob after installation;
FIG. 3 is a partial schematic structural view of a locking device in the front-loading hob holder device provided by the present invention;
fig. 4 is a partial structural schematic view of another locking device provided by the invention.
Wherein, 1 is a tool apron bottom plate, 2 is a front tool apron plate, 3 is a supporting connecting plate, 4 is a hob, 5 is a wedge, 6 is a pressing block, 7 is a fastener, 201 is a positioning groove, 202 is an open groove, 203 is a first channel, 701 is a cover type opposite-top nut, 702 is a nut, 703 is a washer, and 704 is a stud.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a front-mounted hob holder device, which is convenient for the mounting operation of the hob 4, has good stress characteristics, and can improve the tunneling efficiency and the service life of the hob 4 and a hob head.
Referring to fig. 1 to 4, fig. 1 is a schematic structural view of a first embodiment of a front-mounted hob holder device provided in the present invention; fig. 2 is a schematic view of the overall structure of the front-loading hob holder device and the hob 4 provided by the present invention after installation; FIG. 3 is a partial schematic structural view of a locking device in the front-loading hob holder device provided by the present invention; fig. 4 is a partial structural schematic view of another locking device provided by the invention.
The invention provides a front-mounted hob cutter holder device which comprises a supporting device and a locking device, wherein the supporting device is used for supporting two ends of a hob cutter shaft, the locking device is used for locking the end part of the hob cutter shaft, the supporting device comprises a cutter holder base plate 1 and two front-mounted cutter holder plates 2 which are fixedly connected to two sides of the cutter holder base plate 1 respectively and are arranged oppositely, positioning grooves 201 used for positioning the end part of the hob cutter shaft are formed in the front-mounted cutter holder plates 2, and the locking device is arranged on the front-mounted cutter holder plates 2.
When the hob 4 is installed by using the front-mounted hob holder device provided by the present invention, the hob 4 is first placed on the supporting device, and the end of the hob shaft is aligned with the positioning groove 201 of the front-mounted hob holder plate 2, so as to support and preliminarily position the hob 4. Then, the end of the hob shaft is locked by a locking device provided on the front mounting base plate 2, thereby improving the mounting stability of the hob 4.
It should be noted that the positioning groove 201 described here is mainly used for preliminary positioning of the end portion of the hob shaft, and therefore, the shape and position of the positioning groove 201 need to be determined in the actual operation process according to the actual situation and actual requirements for mounting the hob 4.
It should be noted that, because the device provided by the present invention adopts the installation manner of the front-loading hob 4, that is, the hob 4 is positioned on the corresponding tool seat from the front side of the cutterhead, and then is locked and fixedly installed by the locking device. Therefore, the problem of space limitation existing in the installation of the rear-mounted hob 4 can be solved, and the installation of the hob 4 is more convenient by adopting the installation mode of the front-mounted hob 4. In addition, the front-mounted hob holder device provided by the invention realizes the mounting of the hob 4 from the front side of the hob head, and further enriches the mounting method of the existing hob 4.
It should be further noted that, because the supporting device of the present invention includes the tool apron base plate 1, and the two front tool apron plates 2 which are respectively fixedly connected to two sides of the tool apron base plate 1 and are oppositely disposed, when the supporting device receives a large impact load, the tool apron base plate 1 will bear a large impact load. Because the whole bottom plate surface of the cutter holder bottom plate 1 bears the impact load, compared with the rear-mounted hob holder which only bears the impact load through the welding seam, the rear-mounted hob holder has better force transmission characteristic, thereby greatly reducing the influence of the impact load on the welding seam, further avoiding the cracking of the welding seam of the hob holder, and finally improving the tunneling efficiency and the service life of the hob 4 and the cutter head.
In summary, the front-loading hob holder device provided by the present invention facilitates the installation operation of the hob 4, and has good stress characteristics, which can improve the tunneling efficiency and the service life of the hob 4 and the hob head.
On the basis of the front-mounted hob holder device in the first embodiment, specifically, two front-mounted hob holder plates 2 are welded and fixed on two sides of the hob holder bottom plate 1, and the front-mounted hob holder plates 2 are wear-resistant plates.
It should be noted that, the two front tool apron plates 2 are welded and fixed on two sides of the tool apron base plate 1, so that the overall structure of the supporting device is more stable and reliable. Because the connection is carried out by adopting a welding mode, the connection performance between the front tool apron plate 2 and the tool apron base plate 1 is better, the structural rigidity of the supporting device is higher, and the integrity is better.
In addition, it should be noted that the wear-resistant material plate is used for the front tool apron 2, so that the front tool apron 2 has good wear resistance and surface hardness. Because the front tool setting base plate 2 needs to be in direct contact with the hob shaft, in order to avoid the abrasion phenomenon caused by long-term contact, the abrasion resistance and the surface hardness of the front tool setting base plate 2 need to be improved, and therefore the service life of the supporting device is prolonged.
On the basis of the front-mounted hob holder device, a supporting connecting plate 3 for improving the overall stability of the hob holder is arranged between the front-mounted hob holder plates 2 which are oppositely arranged.
The support connection plate 3 is provided between the front tool holder plates 2 that are disposed opposite to each other, in order to further improve the overall stability of the tool holder.
It should be noted that the specific number, position, etc. of the support connection plates 3 described herein need to be determined according to actual needs and actual conditions during actual operation.
On the basis of the above-mentioned front-mounted hob seat device, specifically, the bottom of the front-mounted hob seat plate 2 is provided with an open slot 202, and the locking device includes: the wedge 5 that is used for the tip of fixed hobbing cutter arbor that sets up in constant head tank 201, setting up briquetting 6 in open slot 202, fastener 7 that is used for fixed wedge 5 and briquetting 6, wedge 5 have be used for with the tip inclined plane contact complex inclined plane of hobbing cutter arbor, be equipped with the first passageway 203 that is convenient for fastener 7 to pass through between constant head tank 201 and the open slot 202.
It should be noted that, the bottom of the front tool apron plate 2 is provided with an open slot 202, and the locking device includes: the wedge 5 that is used for the tip of fixed hobbing cutter arbor that sets up in constant head tank 201, setting up briquetting 6 in open slot 202, fastener 7 that is used for fixed wedge 5 and briquetting 6, wedge 5 have be used for with the tip inclined plane contact complex inclined plane of hobbing cutter arbor, be equipped with the first passageway 203 that is convenient for fastener 7 to pass through between constant head tank 201 and the open slot 202. Therefore, when installing hob 4, after placing the hob shaft in alignment with the positioning groove 201, fastener 7 needs to pass through first channel 203, and then fix wedge 5 and pressing block 6, thereby achieving the purpose of pressing the end portions of wedge 5 and the hob shaft on the front-mounted hob base plate 2, and finally enabling hob 4 to be stably installed on the front-mounted hob base plate device.
In addition, it should be noted that the locking device described herein is used by assembling and matching the components, that is, the locking device of the present invention fastens the hob 4 in a detachable manner, so that the installation and removal of the hob 4 are facilitated, the replacement efficiency of the hob 4 is also improved, and the construction efficiency is finally improved.
It should be further noted that the wedge 5 described herein has an inclined surface for contacting and matching with the end inclined surface of the hob shaft, so that the locking device can press the hob shaft through the inclined surface of the wedge 5, thereby effectively preventing the hob 4 from moving or falling off, and finally, improving the stability and reliability of the installation of the hob 4. In addition, the cutter shaft of the hob is pressed through the inclined surface of the wedge block 5, so that the phenomena of abnormal abrasion and damage of the hob 4 can be reduced, the service life of the hob 4 is prolonged, the use cost of the hob 4 is reduced, the construction cost can be reduced finally, and the tunneling efficiency of the hob 4 is improved.
On the basis of the front-loading hob holder device, specifically, the fastener 7 includes a stud 704 and a nut 702, the wedge 5 is provided with a through hole for allowing the stud 704 to pass through, the axis of the through hole is aligned with the axis of the first channel 203, and the pressing block 6 is provided with a threaded hole matched with the stud 704.
It should be noted that fastener 7 includes a stud 704 and a nut 702, wedge 5 is provided with a through hole for passing stud 704, the axis of the through hole is aligned with the axis of first channel 203, and pressing block 6 is provided with a threaded hole for matching stud 704. Therefore, when the end of the hob shaft is locked by using the locking device, the hob shaft needs to be aligned and placed in the positioning groove 201, then one end of the stud 704 sequentially penetrates through the wedge 5 and the first channel 203 and then is tightly matched with the threaded hole of the pressing block 6, the other end of the stud 704 is screwed through the nut 702, and finally the purpose of pressing the wedge 5 and the hob shaft on the front tool mounting base plate 2 is achieved, so that the mounting stability of the hob 4 is improved.
On the basis of the front-loading hob holder device described above, in particular, the fastener 7 comprises a washer 703, the washer 703 being arranged between the nut 702 and the wedge 5.
It should be noted that the fastening member 7 includes a washer 703, and the washer 703 is disposed between the nut 702 and the wedge 5 to prevent the nut 702 from loosening, and by adding the washer 703, the force characteristics of the nut 702 and the wedge 5 can be improved, thereby further improving the stability and reliability of the installation of the hob 4.
On the basis of the front-loading hob holder device described above, the fastener 7 specifically includes a cap-type counter nut 701, the cap-type counter nut 701 being disposed above the nut 702, at the topmost end of the stud 704.
Note that the fastener 7 includes a cap-type opposite nut 701, and the cap-type opposite nut 701 is disposed above the nut 702 at the topmost end of the stud 704. The purpose is to further prevent the nut 702 from loosening, and at the same time, to avoid the end surface of the stud 704 from being worn, so that the influence of the wear of the end surface of the stud 704 on the disassembly and assembly of the hob 4 can be avoided, and finally, the service life of the fastener 7 can be prolonged.
On the basis of the front-loading hob holder device, the locking device comprises: the wedge block is arranged in the positioning groove 201 and used for fixing the end part of the hob cutter shaft, the fixing piece is used for fixing the wedge block, the wedge block is provided with an inclined surface which is in contact fit with the inclined surface of the end part of the hob cutter shaft, and the front hob installing base plate 2 is provided with a second channel which is convenient for the fixing piece to pass through.
It should be noted that the locking device includes: the wedge block is arranged in the positioning groove 201 and used for fixing the end part of the hob cutter shaft, the fixing piece is used for fixing the wedge block, the wedge block is provided with an inclined surface which is in contact fit with the inclined surface of the end part of the hob cutter shaft, and the front hob installing base plate 2 is provided with a second channel which is convenient for the fixing piece to pass through. It is another alternative to provide a locking device which, in comparison with the above-described locking device, eliminates the pressure piece 6 and does not require the provision of the open groove 202, making the locking device simpler and more convenient to use.
Therefore, when the hob 4 is installed, the hob shaft is aligned and placed in the positioning groove 201, and after the fixing member needs to pass through the second channel, the purpose of pressing the wedge block and the end portion of the hob shaft tightly can be achieved only by fixing the wedge block, so that the hob 4 is fixedly installed on the front-mounted hob holder device.
In addition, it should be noted that the locking device described herein realizes fastening of the hob 4 by means of detachable connection, so that installation and removal of the hob 4 will be facilitated, and improvement of replacement efficiency of the hob 4 will also be facilitated, and finally construction efficiency will be improved.
It should be further noted that the wedge block described herein has an inclined surface for contacting and matching with the end inclined surface of the hob shaft, so as to enable the locking device to press the hob shaft through the inclined surface of the wedge block, thereby effectively preventing the hob 4 from moving or falling off, improving the stability and reliability of the installation of the hob 4, reducing the occurrence of abnormal wear and damage of the hob 4, prolonging the service life of the hob 4, reducing the use cost of the hob 4, and finally reducing the construction cost and improving the tunneling efficiency of the hob 4.
On the basis of the front-mounted hob holder device, specifically, the fixing piece comprises a bolt and a nut, a hole for allowing the bolt to pass through is formed in the wedge block, the axis of the hole is aligned with the axis of the second channel, and a threaded hole matched with the bolt is formed in the bottom of the second channel.
It should be noted that, the fixed part includes bolt and nut, is equipped with the hole that is convenient for the bolt to pass through on the wedge, and its axis aligns with the axis of second passageway, and the bottom of second passageway is equipped with the screw hole with bolt complex. Therefore, when the end of the hob shaft is locked by the locking device, the hob shaft needs to be aligned and placed in the positioning groove 201, then one end of the bolt sequentially penetrates through the wedge block and the second channel and then is tightly matched with the threaded hole in the bottom of the second channel, the other end of the bolt is screwed through the nut, and finally the purpose of pressing the wedge block and the hob shaft on the front tool apron 2 is achieved, so that the installation stability of the hob 4 is improved.
In addition to the front-loading hob holder device described in any one of the above embodiments, the positioning groove 201 is a groove with a surface subjected to quenching treatment.
It should be noted that, the positioning groove 201 is a groove with a quenched surface, because the positioning groove 201 is mainly used for primarily positioning the hob cutter shaft, and it needs to be directly contacted with the hob cutter shaft, and in order to avoid the phenomenon that the positioning groove 201 is worn and damaged due to long-time contact with the hob cutter shaft, the positioning groove 201 needs to be quenched, so that the hardness and the wear resistance of the positioning groove 201 can be improved, and finally the service life of the supporting device can be prolonged.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all embodiments provided by the present invention is within the scope of the present invention, and will not be described herein.
The front-mounted hob holder device provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a front-mounted hobbing cutter seat board device, its characterized in that, including the strutting arrangement who is used for supporting the both ends of hobbing cutter arbor and being used for locking the locking device of the tip of hobbing cutter arbor, strutting arrangement includes seat base bottom plate (1), two links firmly respectively both sides of seat base bottom plate (1) and relative preceding dress seat board (2) that set up, it is right all to be equipped with on preceding dress seat board (2) be used for the tip of hobbing cutter arbor carries out constant head tank (201) of fixing a position, locking device sets up on preceding dress seat board (2).
2. The front-mounted hob holder device according to claim 1, characterized in that two front-mounted hob holder plates (2) are welded and fixed on both sides of the hob holder base plate (1), and the front-mounted hob holder plates (2) are plates of wear-resistant material.
3. The front-loading hob holder device according to claim 1, characterized in, that a support connection plate (3) for improving the overall stability of the holder is provided between the front-loading hob holder plates (2) which are oppositely arranged.
4. The front-loading hob holder device according to claim 1, characterized in, that the bottom of the front-loading hob holder plate (2) is provided with an open groove (202), the locking device comprises: set up being used for in constant head tank (201) fixed voussoir (5), the setting of the tip of hobbing cutter arbor are in briquetting (6), be used for fixing in open slot (202) voussoir (5) with fastener (7) of briquetting (6), voussoir (5) have be used for with the tip inclined plane contact complex inclined plane of hobbing cutter arbor, constant head tank (201) with be equipped with between open slot (202) and be convenient for first passageway (203) that fastener (7) pass through.
5. The front-loading hob holder device according to claim 4, characterized in that the fastening member (7) comprises a stud (704) and a nut (702), the wedge (5) is provided with a through hole for facilitating the passage of the stud (704), the axis of the through hole is aligned with the axis of the first channel (203), and the pressing block (6) is provided with a threaded hole for cooperating with the stud (704).
6. The front-loading hob holder device according to claim 5, characterized in, that the fastener (7) comprises a washer (703), the washer (703) being arranged between the nut (702) and the wedge (5).
7. The front-loading hob holder device according to claim 6, characterized in, that the fastening member (7) comprises a cap-type counter nut (701), the cap-type counter nut (701) being arranged at the topmost end of the stud (704) above the nut (702).
8. The front-loading hob holder apparatus according to claim 1, wherein the locking apparatus comprises: the wedge block is arranged in the positioning groove (201) and used for fixing the end part of the hob shaft, the fixing piece is used for fixing the wedge block, the wedge block is provided with an inclined surface which is used for being in contact fit with the inclined surface of the end part of the hob shaft, and the front tool setting seat plate (2) is provided with a second channel which is convenient for the fixing piece to pass through.
9. The front-loading hob holder apparatus according to claim 8, wherein the fixing member comprises a bolt and a nut, the wedge block is provided with a hole for passing the bolt, an axis of the wedge block is aligned with an axis of the second channel, and a bottom of the second channel is provided with a threaded hole for engaging the bolt.
10. The front-loading hob holder device according to any one of claims 1 to 9, characterized in, that the positioning groove (201) is a groove with a surface subjected to quenching treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911326812.4A CN110847925A (en) | 2019-12-20 | 2019-12-20 | Front-mounted hob cutter holder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911326812.4A CN110847925A (en) | 2019-12-20 | 2019-12-20 | Front-mounted hob cutter holder device |
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| Publication Number | Publication Date |
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| CN110847925A true CN110847925A (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911326812.4A Pending CN110847925A (en) | 2019-12-20 | 2019-12-20 | Front-mounted hob cutter holder device |
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| CN (1) | CN110847925A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682059A (en) * | 2021-01-30 | 2021-04-20 | 安徽唐兴机械装备有限公司 | Disc-shaped cutter head with semicircular stop blocks and push bench applying same |
| CN113187501A (en) * | 2021-05-12 | 2021-07-30 | 中铁隧道局集团有限公司 | Bayonet type cutter holder structure for tunnel boring machine |
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| CN200997897Y (en) * | 2007-01-23 | 2008-01-02 | 昆明烟机集团二机有限公司 | Front assembled type filament cutter head |
| CN202788854U (en) * | 2012-06-21 | 2013-03-13 | 洛阳九久技术开发有限公司 | 15-inch hobbling cutter holder for vertical shaft drill with extra big caliber |
| CN105114086A (en) * | 2015-08-28 | 2015-12-02 | 重庆市腾瀚工贸有限公司 | Hob mounting structure of shield tunneling machine |
| CN206957724U (en) * | 2017-07-13 | 2018-02-02 | 重庆交通建设(集团)有限责任公司 | A kind of full face tunnel boring machine Hob fixing device |
| CN107313782A (en) * | 2017-07-14 | 2017-11-03 | 中国铁建重工集团有限公司 | A kind of hob holder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682059A (en) * | 2021-01-30 | 2021-04-20 | 安徽唐兴机械装备有限公司 | Disc-shaped cutter head with semicircular stop blocks and push bench applying same |
| CN113187501A (en) * | 2021-05-12 | 2021-07-30 | 中铁隧道局集团有限公司 | Bayonet type cutter holder structure for tunnel boring machine |
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Application publication date: 20200228 |