CN115992650A - Reaming device of ZFY (ZFY) inverted well drilling machine, and processing method and using method thereof - Google Patents
Reaming device of ZFY (ZFY) inverted well drilling machine, and processing method and using method thereof Download PDFInfo
- Publication number
- CN115992650A CN115992650A CN202211694175.8A CN202211694175A CN115992650A CN 115992650 A CN115992650 A CN 115992650A CN 202211694175 A CN202211694175 A CN 202211694175A CN 115992650 A CN115992650 A CN 115992650A
- Authority
- CN
- China
- Prior art keywords
- water
- drill rod
- zfy
- drilling machine
- reversing
- 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
Images
Abstract
The invention provides a ZFY inverted well drilling machine reaming device, a processing method and a using method thereof, wherein the device comprises a host machine, a main drill rod connected to the host machine and a cutter head rotating mechanism connected to the main drill rod; the cutter head rotating mechanism comprises a drill head disc frame and an end head drill rod connected to the drill head disc frame, and one end of the end head drill rod, which is far away from the drill head disc frame, is connected with the main drill rod; and a water reversing executing mechanism is arranged on the end drill rod. The reaming device of the ZFY reverse well drilling machine, the processing method and the using method thereof can solve the problem that the existing ZFY series reverse well drilling machine is too high in temperature in the drilling process (especially in the reaming process).
Description
Technical Field
The invention relates to the technical field of mine development, in particular to a ZFY inverted well drilling machine reaming device and a processing method and a using method thereof.
Background
The ZFY series back-well drilling machine is mainly applied to coal mines, and the coal seam is softer, so that mechanical energy is well suitable for coal mine drilling engineering, but due to the restrictions of various aspects such as drilling pressure, drill bit and drilling range of the ZFY series drilling machine, the ZFY back-well drilling machine shows phenomena such as overheating of the drill bit, delay of drilling and the like in the drilling process (especially in the reaming process), and the problems of overhigh temperature in the drilling process exist, which can lead to coal mine gas explosion or uneven abrasion of the drill bit, lead to drilling deflection, difficult control of precision and other safety problems.
In addition, because the manufacturing cost of other large-sized anti-well drilling machine equipment is too high, the use and maintenance costs are too high, if the equipment is replaced by the other large-sized anti-well drilling machine equipment, although the problem that the temperature of the ZFY anti-well drilling machine is too high in the drilling process can be solved, the use and maintenance costs cannot be controlled, so that a method for replacing the equipment of the other large-sized anti-well drilling machine is not preferable.
Based on the above technical problems, there is a need for a device capable of effectively reducing the high temperature generated by the ZFY reverse well drilling machine in the drilling process.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a reaming device for ZFY reverse well drills, so as to solve the problem that the existing ZFY series reverse well drills have too high temperature during the drilling process (especially during the reaming process).
The reaming device of the ZFY inverted well drilling machine comprises a host machine, a main drill rod connected to the host machine and a cutterhead rotating mechanism connected to the main drill rod; the cutter head rotating mechanism comprises a drill bit disc frame and an end head drill rod connected to the drill bit disc frame, and one end of the end head drill rod, which is far away from the drill bit disc frame, is connected with the main drill rod; and, in addition, the processing unit,
and a water reversing executing mechanism is arranged on the end drill rod.
In addition, the end drill rod is provided with two groups of water reflecting hole spraying holes corresponding to the water reflecting executing mechanism, and the two groups of water reflecting hole spraying holes are respectively arranged on two sides of the end drill rod.
In addition, the periphery of the water reversing executing mechanism is preferably provided with a protection mechanism connected with the end drill rod.
In addition, preferably, the protection mechanism comprises a protection steel plate surrounding the periphery of the water reversing executing mechanism, and the protection steel plate is welded and fixed with the end drill rod.
Furthermore, it is preferable that the water return actuator is connected to an external water supply.
Furthermore, preferably, the water supply device comprises a pump station and a water spraying pressurizing mechanism connected with the pump station, and the pump station is connected with the water reversing executing mechanism through the water spraying pressurizing mechanism.
In addition, it is preferable that a positive seat and a side seat are provided on the drill plate holder.
On the other hand, the invention also provides a processing method of the reaming device of the ZFY back-up drilling machine, which comprises the following steps:
a water reversing executing mechanism is additionally arranged on an end drill rod in the cutter head rotating mechanism;
a water-reversing hole corresponding to the water-reversing executing mechanism is formed in the end drill rod;
and the end drill rod is welded with a protection mechanism positioned at the periphery of the water reversing executing mechanism.
In addition, the invention also provides a using method of the reaming device of the ZFY back-up drilling machine, which comprises the following steps:
after the construction of the guide hole of the drilling machine is finished, the cutter head rotating mechanism is connected to the tail end of the main drill rod through the end drill rod;
the main machine drives the cutter head rotating mechanism to rotate, and opens the water spraying pressurizing mechanism connected with the water reversing executing mechanism;
and reaming the guide hole of the drilling machine by matching the cutterhead rotating mechanism with the reverse water executing mechanism.
In addition, the water spraying pressurizing mechanism connected with the water reversing executing mechanism is preferably opened;
firstly, the pressure of the water spraying pressurizing mechanism is reduced, so that all hob of the cutterhead rotating mechanism rotate to be fully wetted;
and then the pressure of the water spraying pressurizing mechanism is increased, and the guide hole of the drilling machine is reamed through the cutter head rotating mechanism.
Compared with the prior art, the reaming device of the ZFY reverse well drilling machine has the following beneficial effects:
according to the reaming device of the ZFY anti-well drilling machine, the anti-water executing mechanism is additionally arranged on the end drill rod of the cutter head rotating mechanism, so that the cutter head of the anti-well drilling machine can be sprayed with water to cool in the rotating process, the problems that drilling equipment of the ZFY anti-well drilling machine is easy to generate high temperature and drill jam in the construction process of various rock layers are solved, dust generated in the drilling process is reduced, and mine cost is saved in the aspects of safety and economy. In addition, the ZFY reverse well drilling machine reaming device provided by the invention has high safety coefficient, and the water reversing executing mechanism is additionally arranged, so that the uphole brushing speed can be improved, the friction coefficient between a cutterhead and a rock mass is greatly reduced, the drilling temperature is reduced, and the cutterhead drill bit and a drill rod are protected; on the other hand, the dust settling effect is obvious. In addition, compared with the prior art, the reaming device of the ZFY reverse well drilling machine has the advantages of high efficiency, high safety, low cost, simplicity and convenience in operation and the like, has remarkable improvement effects on drilling engineering such as mine construction ventilation, manholes and the like, and has great significance on the aspect of mine equipment cost control.
To the accomplishment of the foregoing and related ends, one or more aspects of the invention comprise the features hereinafter fully described and particularly pointed out in the claims. The following description and the annexed drawings set forth in detail certain illustrative aspects of the invention. These aspects are indicative, however, of but a few of the various ways in which the principles of the invention may be employed. Furthermore, the invention is intended to include all such aspects and their equivalents.
Drawings
Other objects and results of the present invention will become more apparent and readily appreciated by reference to the following description and claims in conjunction with the accompanying drawings and a more complete understanding of the invention. In the drawings:
fig. 1 is a front view of a cutterhead rotating mechanism provided in an embodiment of the present invention;
FIG. 2 is a construction diagram of a reaming device of a ZFY inverted well drill provided by an embodiment of the invention;
reference numerals: the drill bit disc frame 1, the end drill rod 2, the water reversing actuator 3, the positive tool apron 4, the side tool apron 5, the main drill rod 7, the main machine 8, the operation vehicle 9, the pump station 10, the drill guide hole 11, the guide hole drill bit 12, the cutter head rotating mechanism 13 and the drill reaming 14.
The same reference numerals will be used throughout the drawings to refer to similar or corresponding features or functions.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.
Fig. 1 shows a front view structure of a cutterhead rotating mechanism provided by an embodiment of the invention, and fig. 2 shows a construction process of a reaming device of a ZFY reverse well drilling machine provided by the embodiment of the invention. As can be seen from fig. 1 and 2, the reaming device of the ZFY back-well drilling machine provided by the invention comprises a main machine 8 of the ZFY back-well drilling machine and a main drill rod 7 connected to the main machine 8, wherein the main drill rod 7 rotates and moves downwards under the driving of the main machine 8, a cutter head rotating mechanism 13 (namely a reaming bit) is connected to one end (namely the lower end) of the main drill rod 7 far away from the main machine 8 for realizing the drilling and reaming of a mine hole, and the cutter head rotating mechanism 13 comprises a drill head disc frame 1 and an end drill rod 2 connected to the drill head disc frame 1, the drill head disc frame 1 is used for drilling the rock, and one end of the end drill rod 2 far away from the drill head disc frame 1 is used for being connected with the main drill rod 7; in addition, in order to avoid the phenomenon that the temperature of the cutter head rotating mechanism 13 is too high in the drilling process, the end drill rod 2 is provided with the reverse executing mechanism 3, and in the actual use process, the cutter head rotating mechanism 13 is timely flushed with water and cooled through the reverse executing mechanism 3, so that the high temperature generated in the drilling process of the ZFY reverse well drilling machine is effectively reduced. In addition, the cutter head rotating mechanism 13 is flushed by the reverse executing mechanism 3 in time, so that the uphole brushing speed can be improved, the friction coefficient between the cutter head and the rock mass is greatly reduced, the phenomenon of sticking is avoided, and a certain dust fall effect is achieved.
In a specific embodiment of the present invention, two sets of water-reversing hole-spraying holes corresponding to the positive and negative actuators 3 may be formed in the end drill rod 2, and the two sets of water-reversing hole-spraying holes are respectively disposed at two sides of the end drill rod 2, typically, 8-10 water-reversing hole-spraying holes are respectively disposed at two sides, and the aperture of the water-reversing hole-spraying hole is typically set to be 5mm. In addition, in order to promote the scouring effect of the water-reversing eyeholes, each group of water-reversing eyeholes can be arranged to be symmetrically distributed in a quincuncial shape, and the water-reversing eyeholes on two sides are mutually symmetrical. In the actual use process, water sprayed through the two groups of water-reflecting hole spraying holes is timely flushed for the cutter head rotating mechanism 13 to cool.
In addition, in order to improve the protection performance of the water reversing device, a protection mechanism connected with the end drill rod 2 can be arranged on the periphery of the reversing actuator 3. Of course, for the protection of the upper part of the lifting end drill rod 2 against breaking by friction with rock, a corresponding protection mechanism may be attached to the upper part of the end drill rod 2.
Specifically, in order to realize the protection performance of the protection mechanism, the protection mechanism may include a protection steel plate surrounding the periphery of the reversing actuator 3, and the protection steel plate may be directly welded and fixed with the side wall of the end drill rod 2, so that the stable operation of the reversing actuator 3 is ensured under the condition that the water spray range is not affected by setting the protection steel plate.
In order to achieve the flushing and cooling of the cutter head rotating mechanism 13 by the reversing actuator 3, the reversing actuator 3 needs to be connected with an external water supply device. Specifically, the water supply device comprises a pump station 10 and a water spraying pressurizing mechanism (not shown in the figure) connected with the pump station 10, wherein the pump station 10 is pulled to a construction site through an operation vehicle 9, and then is connected with the reversing actuator 3 through the water spraying pressurizing mechanism, and in the actual use process, a water source is provided through the pump station 10, and the water pressure is controlled through the water spraying pressurizing mechanism.
In addition, in order to realize the drilling of the cutter head rotating mechanism 13 on the rock, the drill bit disc frame 1 is required to be provided with a positive cutter holder 4 and a side cutter holder 5, drill edges are arranged on the positive cutter holder 4 and the side cutter holder 5, and the drilling of the cutter head rotating mechanism 13 on the rock is realized through the drill edges on the positive cutter holder 4 and the side cutter holder 5.
On the other hand, in order to describe in detail the processing improvement process of the reaming device of the ZFY anti-well drilling machine provided by the invention, the invention also provides a processing method of the reaming device of the ZFY anti-well drilling machine, which comprises the following steps:
firstly, an original drilling machine is installed in place, and then a reversing executing mechanism 3 is additionally arranged on a head drill rod 2 in a cutter head rotating mechanism 13 on the original drilling machine; then, air inlet cutting and punching are carried out on the end drill rod 2 so as to form a water reversing hole corresponding to the reverse executing mechanism 3 on the end drill rod 2; a protective means is then welded to the end drill rod 2 at the periphery of the reversing actuator 3 and at the periphery of the upper part of the end drill rod 2. And finally, transporting the welded cutterhead rotating mechanism 13 to a construction site through transportation equipment, and properly storing the other set of spare rotating mechanism device after being welded so as to reduce maintenance and replacement time.
In addition, in order to describe the construction process of the ZFY reverse well drilling machine reaming device provided by the invention in detail, the invention also provides a use method of the ZFY reverse well drilling machine reaming device, which comprises the following steps:
constructing a pilot hole 11 of a well reversing drill by a pilot hole drill bit 12, and connecting (hanging or screwing) the cutter head rotating mechanism 13 to the tail end of the main drill rod 7 through the end drill rod 2 after the construction of the pilot hole 11 of the drill is finished as shown in fig. 2; the host 8 drives the cutter head rotating mechanism 13 to rotate, the threaded connection of the drill rod is reinforced, and the water spraying pressurizing mechanism connected with the reversing executing mechanism 3 is opened; the cutter head rotating mechanism 13 is matched with the reversing actuator 3 to ream the guide hole of the drilling machine, so that the reaming 14 of the drilling machine is formed.
During the process of opening the water spraying pressurizing mechanism connected with the reversing actuator 3;
firstly, the pressure of the water spraying and pressurizing mechanism is required to be reduced so as to ensure that all hob of the cutterhead rotating mechanism 13 rotate and are fully wetted; and then the pressure of the water spraying pressurizing mechanism is regulated up, and the drill guide hole is reamed through the cutter head rotating mechanism 13, so that the final drill reaming 14 is formed.
In addition, it is also to be noted that, in the reaming and drilling process, when the phenomenon of unsmooth slag discharge is found, the drill bit is violently rocked, and when the unstable drilling difficulty of pressure, the severe abrasion of the large slag stone to the cutterhead can be effectively solved through the field test, and the drilling machine can be also rotated at a high speed, so that the small slag stone is ground.
The ZFY blowback drilling machine reaming apparatus according to the present invention is described above by way of example with reference to fig. 1 and 2. However, it will be appreciated by those skilled in the art that various modifications may be made to the ZFY backdrilling machine reaming apparatus of the present invention as set forth above without departing from the teachings of the present invention. Accordingly, the scope of the invention should be determined from the following claims.
Claims (10)
1. A reaming device of a ZFY inverted well drilling machine comprises a main machine, a main drill rod connected to the main machine and a cutterhead rotating mechanism connected to the main drill rod; the cutter head rotating mechanism comprises a drill head disc frame and an end head drill rod connected to the drill head disc frame, and one end of the end head drill rod, which is far away from the drill head disc frame, is connected with the main drill rod; and, in addition, the processing unit,
and a water reversing executing mechanism is arranged on the end drill rod.
2. The ZFY reverse well drilling machine reaming device of claim 1, wherein,
two groups of water-reversing hole spraying holes corresponding to the water-reversing executing mechanism are formed in the end drill rod, and the two groups of water-reversing hole spraying holes are respectively formed in two sides of the end drill rod.
3. The ZFY reverse well drilling machine reaming device of claim 2, wherein,
and a protection mechanism connected with the end drill rod is arranged at the periphery of the water reversing executing mechanism.
4. The ZFY reverse well drilling machine reaming device of claim 3, wherein,
the protection mechanism comprises a protection steel plate which is arranged around the periphery of the water reversing executing mechanism in a surrounding mode, and the protection steel plate is fixedly welded with the end drill rod.
5. The ZFY reverse well drilling machine reaming device of claim 2, wherein,
the water reversing executing mechanism is connected with an external water supply device.
6. The ZFY reverse well drilling machine reaming device of claim 5, wherein,
the water supply device comprises a pump station and a water spraying pressurizing mechanism connected with the pump station, and the pump station is connected with the water reversing executing mechanism through the water spraying pressurizing mechanism.
7. The ZFY reverse well drilling machine reaming device of any one of claim 1 to 6,
the drill bit disc frame is provided with a positive cutter holder and a side cutter holder.
8. A method of machining a ZFY blow-by drilling machine reaming device according to any one of claims 1 to 7, the method comprising:
a water reversing executing mechanism is additionally arranged on an end drill rod in the cutter head rotating mechanism;
a water-reversing hole corresponding to the water-reversing executing mechanism is formed in the end drill rod;
and the end drill rod is welded with a protection mechanism positioned at the periphery of the water reversing executing mechanism.
9. A method of using the ZFY blow-by drilling machine reaming device of any one of claims 1 to 7, the method of using comprising:
after the construction of the guide hole of the drilling machine is finished, the cutter head rotating mechanism is connected to the tail end of the main drill rod through the end drill rod;
the main machine drives the cutter head rotating mechanism to rotate, and opens the water spraying pressurizing mechanism connected with the water reversing executing mechanism;
and reaming the guide hole of the drilling machine by matching the cutterhead rotating mechanism with the reverse water executing mechanism.
10. The method of using the ZFY reverse well drilling machine reaming device of claim 9, wherein,
in the process of opening the water spraying pressurizing mechanism connected with the water reversing executing mechanism;
firstly, the pressure of the water spraying pressurizing mechanism is reduced, so that all hob of the cutterhead rotating mechanism rotate to be fully wetted;
and then the pressure of the water spraying pressurizing mechanism is increased, and the guide hole of the drilling machine is reamed through the cutter head rotating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211694175.8A CN115992650A (en) | 2022-12-28 | 2022-12-28 | Reaming device of ZFY (ZFY) inverted well drilling machine, and processing method and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211694175.8A CN115992650A (en) | 2022-12-28 | 2022-12-28 | Reaming device of ZFY (ZFY) inverted well drilling machine, and processing method and using method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115992650A true CN115992650A (en) | 2023-04-21 |
Family
ID=85991622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211694175.8A Pending CN115992650A (en) | 2022-12-28 | 2022-12-28 | Reaming device of ZFY (ZFY) inverted well drilling machine, and processing method and using method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115992650A (en) |
-
2022
- 2022-12-28 CN CN202211694175.8A patent/CN115992650A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106761805B (en) | Laser full face rock tunnel boring machine cutterhead design method | |
| CN105736006B (en) | High-pressure water jet full face rock tunnel boring machine cutterhead design method | |
| CN202224685U (en) | Three-shaft circular mould drilling machine | |
| WO2022127090A1 (en) | Microwave rock breaking drilling device | |
| CN106050229A (en) | Rock breaking machine | |
| CN111219189B (en) | Mining drill bit with femtosecond laser cutter and diamond cutter combined and mining method thereof | |
| CN110500107B (en) | Shield tunneling machine normal-pressure warehouse opening front maintenance tool changing construction method | |
| CN112196547A (en) | Hob-free hard rock tunneling machine for breaking rock by utilizing laser and high-pressure water jet | |
| CN115992650A (en) | Reaming device of ZFY (ZFY) inverted well drilling machine, and processing method and using method thereof | |
| CN102268966A (en) | Hard rock crushing drill bit and method for crushing hard rock | |
| CN112902670B (en) | Rotary kiln lining breaking-in robot and breaking-in method | |
| CN111594039A (en) | Large-diameter combined type air reverse circulation down-the-hole hammer | |
| CN210317300U (en) | Mining machine with dual-function mining device | |
| CN108393864B (en) | TBM tool changing robot body structure | |
| RU2055184C1 (en) | Working member of device for breaking of mineral media and artificial materials | |
| CN204476281U (en) | Raise boring machine drill bit | |
| CN106089198A (en) | For breaking the car body of rock machine | |
| CN104763332A (en) | Percussive-rotary drilling method and system for horizontal directional drilling crossing | |
| Timonin et al. | Causes of wear of PDC bits and ways of improving their wear resistance | |
| CN113605899A (en) | Tunnel excavation method based on hydraulic impact crushing and static crushing | |
| CN211448510U (en) | Reverse circulation drilling device | |
| CN204200081U (en) | It is a kind of that nutation type is semi-automatic changes bar hydraulic rock drilling machine | |
| CN108316932B (en) | Quick cutting device for large-aperture cut hole in rock drift tunneling | |
| CN214365953U (en) | Drill bit of drill jumbo | |
| CN207840230U (en) | A kind of major diameter brill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |