CN213980800U - Tunneling machine and composite cutter head for tunneling machine - Google Patents
Tunneling machine and composite cutter head for tunneling machine Download PDFInfo
- Publication number
- CN213980800U CN213980800U CN202022339540.6U CN202022339540U CN213980800U CN 213980800 U CN213980800 U CN 213980800U CN 202022339540 U CN202022339540 U CN 202022339540U CN 213980800 U CN213980800 U CN 213980800U
- Authority
- CN
- China
- Prior art keywords
- cutter head
- rock
- pressure water
- impact
- 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.)
- Active
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a entry driving machine and compound blade disc for entry driving machine, including the blade disc, the blade disc is used for promoting the high-frequency impact vibrating device of the emergence of rock fragility crackle and extension and the hobbing cutter that is used for broken rock at last including the high-pressure water jet equipment that is used for sending the split rock with afterwards, and the hobbing cutter is arranged on the blade disc, and high-pressure water jet equipment is in same position on the section of rock of hobbing cutter and high-frequency impact vibrating device process in week earlier than, and high-frequency impact vibrating device is in same position on the section of rock of hobbing cutter process in week earlier than. Adopt high-pressure water jet, high frequency impact vibrating device to carry out the rock entry driving machine blade disc structure that vibration impact, hobbing cutter broke the rock and combined together, utilize high pressure water to send and split the rock, recycle high frequency impact load and promote the emergence and the extension of rock fragility crackle, easily breakage, the rock is broken to the hobbing cutter at last to reduce the wearing and tearing of hobbing cutter, improve the broken rock efficiency of hobbing cutter, avoid among the tunnelling process hobbing cutter wearing and tearing serious and broken extremely hard rock inefficiency.
Description
Technical Field
The utility model relates to a broken rock blade disc technical field especially relates to a compound blade disc is used to entry driving machine and entry driving machine.
Background
In recent years, in large-scale engineering construction such as high-speed railways, mining, urban subways and the like, the rock tunnel boring machine is widely applied by virtue of the advantages of safety, environmental protection, low automation degree, high efficiency, strong geological adaptability and the like. In the tunneling process, the cutter head is one of the main parts of the rock tunneling machine, has the functions of tunneling, excavating and supporting a tunnel face, and is an installation carrier of all rock breaking cutters.
However, under the condition of extremely hard rock, the traditional rock tunneling machine is limited by the self capacity, rock cannot be broken smoothly, and the penetration degree of the hob is extremely low, so that the abrasion and consumption of the hob are serious, and the tunneling efficiency is low.
Therefore, how to provide a composite cutter head for a heading machine to avoid serious abrasion of a hob and low efficiency of breaking extremely hard rock in a heading process is a technical problem to be solved urgently by technical personnel in the field at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a composite cutter head for entry driving machine to avoid among the tunnelling process hobbing cutter wearing and tearing serious and broken extremely hard rock inefficiency. Another object of the utility model is to provide an adopt above-mentioned entry driving machine of compound blade disc.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a compound blade disc for entry driving machine, includes the blade disc, the blade disc is used for promoting after and the high-frequency impact vibration device of initiation and the extension of rock brittle crack and the hobbing cutter that is used for the broken at last including the high-pressure water jet equipment that is used for causing the split rock,
the hob is arranged on the cutter head,
the high-pressure water spraying device passes through the same position on the section of the rock before the hob and the high-frequency impact vibration device in the circumferential direction,
the high-frequency impact vibration device passes through the same position on the rock section in the circumferential direction before the hob.
Preferably, the number of the rolling cutters is plural, the number of the high-pressure water spraying devices is plural, the number of the high-frequency impact vibration devices is plural,
any one or more of the hobs is matched with at least one high-frequency impact vibration device and at least one high-pressure water spraying device.
Preferably, a portion of said roller cutters are positioned along at least one radius of said cutter head,
alternatively, the first and second electrodes may be,
at least one of the diameters is arranged in a straight line,
each hob in the partial hobs is matched with one high-frequency impact vibration device and one high-pressure water spraying device.
Preferably, a part of the hobbing cutters are arranged in an annular shape on the edge of the cutter disc,
the high-frequency impact vibration device and the high-pressure water spraying device are not matched with the partial hob.
Preferably, the high-frequency impact vibration device comprises an impact rod, a roller mandrel, an electromagnetic vibration exciter and an impact roller,
the cutter head is provided with an impact rod hole, the impact rod is arranged in the impact rod hole in a sliding way,
the impact roller is arranged at one end of the impact rod in a rotating way through the roller mandrel,
the other end of the impact rod penetrates through the impact rod hole to be connected with the output end of the electromagnetic vibration exciter.
Preferably, the top of the impact roller is as high as the envelope surface of the blade of the hob with which the impact roller is engaged.
Preferably, the high-pressure water spraying device comprises a nozzle, and the nozzle is mounted in a threaded hole in the cutter head through threads and is communicated with the water pipe.
Preferably, the high-pressure water spraying device is arranged at a height lower than the height of the hob matched with the high-pressure water spraying device,
in the tunneling process of the cutter head, after the hob is pressed into the rock face, the hob is matched with the high-pressure water spraying device, and the high-pressure water spraying device is not in contact with the rock face.
The utility model also provides a heading machine, including the blade disc, the blade disc is as above-mentioned arbitrary one the heading machine with compound blade disc.
Preferably, the heading machine comprises a high-pressure water pump station, and the high-pressure water spraying device is communicated with the high-pressure water pump station.
The utility model provides a composite cutter head for a heading machine, which comprises a cutter head, wherein the cutter head comprises a high-pressure water spraying device for cracking rocks, a high-frequency impact vibration device for promoting the initiation and the expansion of brittle cracks of the rocks and a hobbing cutter for crushing the rocks,
the hob is arranged on the cutter head,
the high-pressure water spraying device passes through the same position on the section of the rock before the hob and the high-frequency impact vibration device in the circumferential direction,
the high-frequency impact vibration device passes through the same position on the rock section in the circumferential direction before the hob.
The utility model provides a composite cutter head for entry driving machine carries out high pressure water jet for high pressure water jet equipment, high frequency impact vibrating device vibrates the impact, the rock entry driving machine blade disc structure that the rock breaking combined together of hobbing cutter, utilize the water under high pressure to send the rock that splits, recycle high frequency impact load and promote the emergence and the extension of rock fragility crackle, easily breakage, rock breaking is carried out to last hobbing cutter, thereby the wearing and tearing and the construction cost of hobbing cutter have been reduced, the rock breaking efficiency of hobbing cutter has been improved, avoided among the tunnelling process hobbing cutter wearing and tearing seriously and broken extremely hard rock inefficiency. Moreover, the rivers that form behind the high pressure water impact rock will cover whole excavation face, can cool down the hobbing cutter.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a composite cutter head for a heading machine according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a high-frequency impact vibration device according to an embodiment of the present invention;
fig. 3 is a schematic side view of the composite cutter head for the heading machine provided by the embodiment of the present invention.
In the above FIGS. 1-3:
the device comprises a cutter head 1, a hob 2, a high-pressure water spraying device 3, an impact roller 4, a water pipe 5, a roller mandrel 6, an impact rod 7, an impact rod hole 8, an electromagnetic vibration exciter 9, a high-frequency impact vibration device 10 and a high-pressure water nozzle 11.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a composite cutter head for a heading machine according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a high-frequency impact vibration device according to an embodiment of the present invention; fig. 3 is a schematic side view of the composite cutter head for the heading machine provided by the embodiment of the present invention.
The embodiment of the utility model provides a composite cutter head for a heading machine, which comprises a cutter head 1, wherein the cutter head 1 comprises a high-pressure water spraying device 3 for cracking rocks, a high-frequency impact vibration device 10 for promoting the initiation and the expansion of brittle cracks of the rocks and a hob 2 for finally crushing the rocks,
the hob 2 is arranged on the cutter head 1,
the high-pressure water spraying device 3 passes through the same position on the rock section before the hob 2 and the high-frequency impact vibration device 10 pass through in the circumferential direction,
the high frequency impact vibration device 10 passes the same position on the rock section in the circumferential direction before the hob 2.
The embodiment of the utility model provides a compound blade disc for entry driving machine, carry out high pressure water jet for high pressure water jet equipment 3, high frequency impact vibrating device 10 vibrates the impact, the rock entry driving machine blade disc structure that 2 broke rocks of hobbing cutter combined together, utilize the high pressure water to send and split the rock, recycle the high frequency impact load and promote the emergence and the extension of rock fragility crackle, easily breakage, 2 brokenly rocks of last hobbing cutter, thereby the wearing and tearing and the construction cost of hobbing cutter 2 have been reduced, 2 brokenly rock efficiency of hobbing cutter have been improved, it is serious and broken extremely hard rock inefficiency to have avoided 2 wearing and tearing of hobbing cutter among the tunnelling process. Moreover, the rivers that form behind the high pressure water impact rock will cover whole excavation face, can cool down hobbing cutter 2.
In order to further optimize the proposal, a plurality of hobbing cutters 2, a plurality of high-pressure water spraying devices 3, a plurality of high-frequency impact vibration devices 10,
any one or more of the roller cutters 2 is/are fitted with at least one high-frequency impact vibration device 10 and at least one high-pressure water injection device 3.
In particular, a part of the roller cutters 2 are arranged along at least one radius of the cutter head 1,
alternatively, the first and second electrodes may be,
at least one of the diameters is arranged in a straight line,
each hob 2 of the partial hob is fitted with a high frequency impact vibration device 10 and a high pressure water jet 3, as shown in fig. 1.
Specifically, a part of the hobs 2 are arranged on the edge of the cutter head 1 in an annular shape,
the partial hob is not fitted with the high frequency impact vibration device 10 and the high pressure water jet 3, as shown in fig. 1.
In order to further optimize the above solution, the high-frequency impact vibration device 10 comprises an impact rod 7, a roller mandrel 6, an electromagnetic exciter 9 and an impact roller 4, as shown in figure 2,
the cutter head 1 is provided with an impact rod hole 8, the impact rod 7 is arranged in the impact rod hole 8 in a sliding way,
the impact roller 4 is rotatably arranged at one end of an impact rod 7 through a roller mandrel 6,
the other end of the impact rod 7 passes through the impact rod hole 8 and is connected with the output end of the electromagnetic vibration exciter 9.
The impact roller 4 rotates due to friction, so that the impact roller 4 always impacts the tunnel face, and the abrasion of the roller can be reduced due to the rolling friction mode.
Specifically, the height of the top of the impact roller 4 is equal to the height of the envelope surface of the cutting edge of the hob 2 matched with the impact roller, and the matching use effect is better.
Specifically, the high-pressure water spray device 3 includes a nozzle, i.e., a high-pressure water spray nozzle 11, which is threadedly mounted in a threaded hole in the cutter head 1 and communicates with the water pipe 5. Wherein, the high pressure water jet equipment 3 arranges the height and is less than the height with self complex hobbing cutter 2, at the tunnelling in-process of blade disc 1, behind hobbing cutter 2 impresses the rock face, with self complex high pressure water jet equipment 3 not with the rock face contact, specifically high pressure water nozzle 11 not with the rock face contact.
The embodiment of the utility model provides a still provide a heading machine, including the blade disc, the blade disc is as above-mentioned arbitrary embodiment the composite cutter head for heading machine.
Specifically, the heading machine comprises a high-pressure water pump station, and the high-pressure water spraying device 3 is communicated with the high-pressure water pump station.
The embodiment of the utility model provides a compound blade disc for entry driving machine is a water sword, the vibration impact and the compound blade disc of hobbing cutter to extremely hard rock working condition usefulness. Without changing the main structure of the existing cutter head and the layout and installation mode of the hob on the cutter head, a plurality of high-frequency impact vibration devices 10 capable of applying high-frequency impact load to rocks and a plurality of high-pressure water nozzles 11 are arranged in the blank area of the cutter head.
Wherein, high frequency impact vibration device 10 includes impact beam 7, gyro wheel mandrel 6, electromagnetism vibration exciter 9 and impact gyro wheel 4, the impact beam hole 8 has been seted up on blade disc 1, the one end of impact beam 7 is passed through gyro wheel mandrel 6 and is connected with impact gyro wheel 4, the other end is worn out impact beam hole 8 and is connected with the output of electromagnetism vibration exciter 9, impact gyro wheel 4 can rotate around gyro wheel mandrel 6, electromagnetism vibration exciter 9 hugs closely and sets up at 1 rear side of blade disc, produce the vibration impact by electromagnetism vibration exciter 9 to impact beam 7, transmit again to impact gyro wheel 4. The high-pressure water nozzles 11 are mounted in threaded holes of the cutter head 1 through threaded connections and are connected with the corresponding water pipes 5.
The embodiment of the utility model provides a compound blade disc for entry driving machine adopts the rock entry driving machine blade disc structure that high-pressure water jet and high frequency impact vibrating device 10 and hobbing cutter 2 combined together, utilizes the water under high pressure to send and splits the rock, recycles high frequency impact load and promotes the emergence and the extension of rock fragility crackle, and easily breakage has reduced hobbing cutter 2's wearing and tearing and construction cost, has improved the broken rock efficiency of hobbing cutter 2.
The high-frequency impact vibration device 10 and the high-pressure water nozzle 11 may be arranged by taking the rotation center of the cutter head 1 as a circle center and the distance between each hob 2 and the rotation center of the cutter head 1 as a radius, and as shown in fig. 1, the rotation motions of the three devices are on the same trajectory line. The high-pressure water nozzles 11 circumferentially pass through the same position of the rock section before the hob 2 and the impact roller 4 pass through the same position of the rock section before the hob 2 passes through the same position of the rock section. The rock is cracked by high-pressure water sequentially, the high-frequency impact load is used for promoting the initiation and the expansion of brittle cracks of the rock, the rock is easy to crush, and finally the rock is crushed by the hob 2.
And a high-pressure water pump station is arranged in the rock tunnel boring machine and provides power for the generation of high-pressure water. After the water is filtered and pressurized by the high-pressure water pressurizing device, the pressure can reach 400MPa or more. The high-pressure water flows through the water pipes 5 connected to the high-pressure water nozzles 11 and is ejected from the high-pressure water nozzles 11.
The driving system of the rock tunnel boring machine enables the cutter head 1 to be pushed towards the direction of the rock, and the rock is broken under the action of the high-pressure water jet along with the rotary pushing of the cutter head 1. The impact roller 4 on the same track line with the high-pressure water nozzle 11 continuously impacts the face of the rock under the action of the impact rod 7, so that the initiation and the propagation of the brittle cracks of the rock are promoted. In addition, the impact roller 4 rotates due to friction force, so that the impact roller 4 always impacts the tunnel face, and the abrasion of the roller can be reduced due to the rolling friction mode. Finally, the hob 2 on the same trajectory as the high-pressure water nozzles 11 and the impact roller 4 rolls the rock to further propagate the rock cracks. With the continuous propulsion and rotation of the cutter head 1, the rock under each hob 2 is broken and separated from the excavation surface.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The composite cutter head for the heading machine comprises a cutter head and is characterized in that the cutter head comprises a high-pressure water spraying device for cracking rocks, a high-frequency impact vibration device for promoting the initiation and the expansion of brittle cracks of the rocks and a hob for crushing the rocks at last,
the hob is arranged on the cutter head,
the high-pressure water spraying device passes through the same position on the section of the rock before the hob and the high-frequency impact vibration device in the circumferential direction,
the high-frequency impact vibration device passes through the same position on the rock section in the circumferential direction before the hob.
2. The composite cutter head for a boring machine according to claim 1, wherein said hob is plural, said high-pressure water jet means is plural, said high-frequency impact vibration means is plural,
any one or more of the hobs is matched with at least one high-frequency impact vibration device and at least one high-pressure water spraying device.
3. The composite cutter head for a heading machine according to claim 2 wherein a portion of said roller cutters are along at least one radius of said cutter head,
alternatively, the first and second electrodes may be,
at least one of the diameters is arranged in a straight line,
each hob in the partial hobs is matched with one high-frequency impact vibration device and one high-pressure water spraying device.
4. The composite cutter head for a heading machine according to claim 2, wherein a part of said rolling cutters are arranged in a ring shape on the edge of said cutter head,
the high-frequency impact vibration device and the high-pressure water spraying device are not matched with the partial hob.
5. The compound cutter head for the heading machine according to claim 1, wherein the high-frequency impact vibration device comprises an impact bar, a roller mandrel, an electromagnetic exciter and an impact roller,
the cutter head is provided with an impact rod hole, the impact rod is arranged in the impact rod hole in a sliding way,
the impact roller is arranged at one end of the impact rod in a rotating way through the roller mandrel,
the other end of the impact rod penetrates through the impact rod hole to be connected with the output end of the electromagnetic vibration exciter.
6. The composite cutter head for a heading machine according to claim 5, wherein the height of the top of said impact roller is equal to the height of the envelope surface of the cutting edge of said hob with which it is engaged.
7. The composite cutter head for a heading machine according to claim 1, wherein said high pressure water jet means comprises a nozzle which is threadedly mounted in a threaded hole in said cutter head and which is in communication with a water pipe.
8. The composite cutter head for a heading machine according to claim 1, wherein said high-pressure water jet means is arranged at a height lower than the height of said hob with which it is fitted,
in the tunneling process of the cutter head, after the hob is pressed into the rock section, the high-pressure water spraying device matched with the hob does not contact with the rock section.
9. A heading machine comprising a cutter head, wherein the cutter head is a composite cutter head for a heading machine according to any one of claims 1 to 8.
10. The heading machine of claim 9, comprising a high pressure water pump station, the high pressure water spray being in communication with the high pressure water pump station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022339540.6U CN213980800U (en) | 2020-10-20 | 2020-10-20 | Tunneling machine and composite cutter head for tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022339540.6U CN213980800U (en) | 2020-10-20 | 2020-10-20 | Tunneling machine and composite cutter head for tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213980800U true CN213980800U (en) | 2021-08-17 |
Family
ID=77256937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022339540.6U Active CN213980800U (en) | 2020-10-20 | 2020-10-20 | Tunneling machine and composite cutter head for tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213980800U (en) |
-
2020
- 2020-10-20 CN CN202022339540.6U patent/CN213980800U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210685990U (en) | Hydraulic-mechanical combined rock breaking TBM cutter head and TBM device thereof | |
| CN110985032B (en) | Hydraulic-mechanical combined rock breaking TBM device and rock breaking method thereof | |
| CN106761805A (en) | Laser full face rock tunnel boring machine cutterhead design method | |
| CN110056363B (en) | Hard rock tunnel boring machine with actively rotating hob | |
| CN110821510A (en) | High-pressure water jet edge cutter and combined rock breaking and trapped-freeing TBM cutter head and method thereof | |
| CN110593888B (en) | Heading machine with high-pressure water jet-mechanical coupling integrated disc-shaped hob | |
| CN210509181U (en) | TBM cutter head for high-pressure water assisted rock breaking | |
| CN110847926A (en) | Hydraulic cutting tool module and combined rock breaking TBM device and method | |
| CN113107513A (en) | Tunnel construction method for breaking rock by using high-pressure water | |
| CN108825260B (en) | TBM cutter head for assisting in breaking rock through vibration impact and arrangement method thereof | |
| CN109899079A (en) | The TBM cutterhead for having PDC drill bit auxiliary rock | |
| CN112096408A (en) | Tunneling machine and composite cutter head for tunneling machine | |
| CN112160763B (en) | Tunnel boring machine cutter head of supplementary broken rock of high pressure water jet | |
| CN213980800U (en) | Tunneling machine and composite cutter head for tunneling machine | |
| CN211342923U (en) | Hydraulic-mechanical combined rock breaking TBM device | |
| CN211342922U (en) | High-pressure water jet side cutter and hydraulic-mechanical combined rock breaking and trapped-escaping TBM cutter head | |
| CN210685992U (en) | Double-hob tunneling equipment for hydraulic-mechanical TBM cutter head combined rock breaking | |
| CN211144502U (en) | Cavitation water jet auxiliary rock breaking TBM cutter head for extremely hard rock | |
| CN112483107B (en) | Inner and outer cutter TBM device based on pulse jet flow and point treatment | |
| CN110924973A (en) | Hydraulic-mechanical combined rock breaking TBM device and rock breaking method thereof | |
| CN113404504B (en) | Full-face tunneling machine with cutter head, impact gang drill and hob for rock breaking and rock breaking method | |
| CN209875157U (en) | TBM cutter head with PDC drill bit for assisting rock breaking | |
| CN113790060B (en) | Drilling and tunneling equipment and method | |
| CN109869151A (en) | Realize the work compound method of working face mining and protection coal pillar recycling | |
| CN211174121U (en) | Hydraulic cutting tool module and hydraulic-mechanical combined rock breaking TBM cutter head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |