CN119352906A - A connecting and fixing device for a silent rotary drilling machine drill bit and a power head - Google Patents
A connecting and fixing device for a silent rotary drilling machine drill bit and a power head Download PDFInfo
- Publication number
- CN119352906A CN119352906A CN202411916602.1A CN202411916602A CN119352906A CN 119352906 A CN119352906 A CN 119352906A CN 202411916602 A CN202411916602 A CN 202411916602A CN 119352906 A CN119352906 A CN 119352906A
- Authority
- CN
- China
- Prior art keywords
- rotary drilling
- hole
- power head
- drill bit
- pin shaft
- 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.)
- Granted
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 55
- 238000003466 welding Methods 0.000 claims description 13
- 239000002689 soil Substances 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/03—Couplings; joints between drilling rod or pipe and drill motor or surface drive, e.g. between drilling rod and hammer
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
本发明提供一种静音旋挖机钻头与动力头的连接固定装置，包括设置于动力头和旋挖钻头之间的中筒、安装于动力头上的连接筒和安装于中筒中的插销液压缸，连接筒设置于中筒中；连接筒上设置有多个连接板，连接板上设置有定位孔，旋挖钻头上固定有与连接板相对应的连接件。本发明通过上述结构，当静音旋挖钻头进行卸土操作时，在旋挖钻头上升至使连接筒上的连接板进入连接件的活动孔中，并使活动孔位于键孔的范围内时，便可通过插销液压缸驱动销轴至第一位置，使连接筒与连接件相连接，此时卸土产生的推力会通过连接筒、连接件和销轴作用于动力头上，卸土时钢丝绳处于不受力状态，从而能够保护钢丝绳和卷扬机的使用寿命，防止发生钢丝绳断裂，以保证旋挖机工作时的安全生产，极大的降低安全事故的发生和维修成本，提高生产效率。
The present invention provides a connection and fixing device for a silent rotary drilling machine drill bit and a power head, comprising a middle tube arranged between the power head and the rotary drilling bit, a connecting tube installed on the power head and a pin hydraulic cylinder installed in the middle tube, wherein the connecting tube is arranged in the middle tube; a plurality of connecting plates are arranged on the connecting tube, positioning holes are arranged on the connecting plates, and a connecting piece corresponding to the connecting plate is fixed on the rotary drilling bit. The present invention adopts the above structure, when the silent rotary drilling bit is unloading soil, when the rotary drilling bit rises to make the connecting plate on the connecting tube enter the movable hole of the connecting piece, and the movable hole is located within the range of the key hole, the pin shaft can be driven to the first position by the pin hydraulic cylinder, so that the connecting tube is connected with the connecting piece, at this time, the thrust generated by unloading soil will act on the power head through the connecting tube, the connecting piece and the pin shaft, and the wire rope is in a stress-free state when unloading soil, so as to protect the service life of the wire rope and the winch, and prevent the wire rope from breaking, so as to ensure the safe production when the rotary drilling machine is working, greatly reduce the occurrence of safety accidents and maintenance costs, and improve production efficiency.
Description
Technical Field
The invention relates to the technical field of rotary drilling machine drill bits, in particular to a connecting and fixing device for a silent rotary drilling machine drill bit and a power head.
Background
In the prior art, a rotary drilling machine of the rotary drilling machine is driven to rotate by a power head, so that the rotary drilling machine can rotationally shovel soil into a drilling barrel through a rotating force, after a period of working, the drill bit is lifted to the ground level, and then the drill bit at the bottom is released, and then the soil in the rotary drilling barrel is required to be cleaned out, wherein for lifting of the rotary drilling machine, a steel wire rope connected with the drilling rod is matched with a winch, for example, the silent rotary drilling machine drill disclosed by the patent No. CN202311019638.5 is connected with a soil unloading push plate arranged in the drilling barrel through the output end of a hydraulic cylinder, and the soil unloading push plate is driven to lift in the drilling barrel through the hydraulic cylinder, so that the soil unloading effect is realized.
However, in the process of dumping soil, the acting force of the traditional mute drill bit during soil dumping can act on the rotary drilling bit, at this time, the steel wire rope is required to bear the weight of the rotary drilling bit and the drill rod, and meanwhile, the force of the hydraulic cylinder during soil dumping is required to bear, and when the thrust force of the hydraulic cylinder is gradually increased to exceed the bearing capacity of the steel wire rope, the steel wire rope is easily broken, the follow-up work of the rotary drilling machine is influenced, and the later maintenance cost is increased.
Disclosure of Invention
The invention discloses a connecting and fixing device for a mute rotary drilling machine drill bit and a power head, which mainly solves the problem that a steel wire rope is easy to break when the thrust of a hydraulic cylinder is increased to exceed the bearing capacity of the steel wire rope in the soil unloading process of the traditional mute rotary drilling machine drill bit.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
The invention provides a connecting and fixing device for a mute rotary drilling machine drill bit and a power head, which comprises a middle cylinder arranged between the power head and the rotary drilling drill bit, a connecting cylinder arranged on the power head and a bolt hydraulic cylinder arranged in the middle cylinder, wherein the connecting cylinder is arranged in the middle cylinder;
The connecting cylinder is provided with a plurality of connecting plates, the connecting plates are provided with positioning holes, and the rotary drilling bit is fixedly provided with connecting pieces corresponding to the connecting plates;
The connecting piece comprises a connecting seat welded on the rotary drilling bit, a movable hole matched with the connecting plate is formed in the connecting seat so that the connecting plate can enter and exit the movable hole, a key hole communicated with the movable hole is formed in the side face of the connecting seat, and the positioning hole is arranged in the key hole;
The output end of the bolt hydraulic cylinder is provided with a pin shaft, so that the pin shaft has a first position and a second position;
When the pin shaft is positioned at the first position, the pin shaft is driven by the pin hydraulic cylinder to sequentially pass through the key hole and the positioning hole;
When the pin shaft is positioned at the second position, the pin shaft is driven by the pin hydraulic cylinder to be separated from the key hole and the positioning hole.
In one embodiment, the key hole penetrates through two side surfaces of the connecting seat, so that when the pin shaft is located at the first position, the pin shaft is driven by the pin hydraulic cylinder to sequentially penetrate through the key hole, the positioning hole and the key hole.
In one embodiment, the rotary drilling bit is provided with a welding hole corresponding to the position of the connecting piece, and the connecting seat penetrates through the welding hole and is welded on the rotary drilling bit.
In one embodiment, a connecting hole is transversely formed in one end, far away from the power head, of the connecting seat, a connecting rod is welded in the connecting hole, and the connecting rod is welded with the rotary drilling bit.
In one embodiment, the length of the connecting rod is greater than the length of the welding hole.
In one embodiment, the output end of the latch hydraulic cylinder corresponds to a positioning hole.
The rotary drill bit has the advantages that when the rotary drill bit is required to be subjected to soil unloading operation, after the steel wire rope is pulled by the winch, the rotary drill bit is lifted to the ground level, the connecting plate on the connecting cylinder enters the movable hole of the connecting piece until the movable hole is located in the range of the key hole, the pin shaft can be driven to the first position through the pin hydraulic cylinder, namely, the pin shaft sequentially penetrates through the key hole and the positioning hole, the connecting cylinder can be connected with the connecting piece, and the connecting piece is welded on the rotary drill bit, so that thrust generated by soil unloading can act on the power head through the connection of the connecting cylinder, the connecting piece and the pin shaft, and the steel wire rope is in an unstressed state when the rotary drill bit is unloaded, so that the service lives of the steel wire rope and the winch can be protected, the breakage of the steel wire rope can be prevented, the safety production when the rotary drill bit is in work can be guaranteed, the occurrence of safety accidents and the maintenance cost can be greatly reduced, the production efficiency can be improved, and when the rotary drill bit is required to be driven to the second position through the pin shaft through the hydraulic cylinder, namely, the pin shaft is separated from the positioning pin shaft and the rotary drill bit can be separated from the rotary drill bit.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention.
FIG. 1 illustrates a schematic view of a power head, rotary drill bit, and middle barrel according to an exemplary embodiment of the present invention;
FIG. 2 illustrates a schematic view of a power head, rotary drill bit, connection barrel, connection member, and latch cylinder according to an exemplary embodiment of the present invention;
FIG. 3 illustrates an exploded view of a rotary drill bit, a connection barrel, a connection member, and a latch cylinder according to an exemplary embodiment of the present invention;
FIG. 4 illustrates a schematic view of a connection cartridge according to an exemplary embodiment of the present invention;
fig. 5 shows an exploded schematic view of a connector according to an exemplary embodiment of the present invention.
Reference numerals illustrate:
1. A power head;
2. Rotary drilling bit;
21. welding holes;
3. A middle cylinder;
4. A connecting cylinder;
41. A connecting plate 42, a positioning hole;
5. A connecting piece;
51. Connecting seat, 511, movable hole, 512, key hole, 513, connecting hole, 52, connecting rod;
6. a bolt hydraulic cylinder;
7. And a pin shaft.
Detailed Description
Embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While the invention is susceptible of embodiment in the drawings, it is to be understood that the invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided to provide a more thorough and complete understanding of the invention. It should be understood that the drawings and embodiments of the invention are for illustration purposes only and are not intended to limit the scope of the present invention.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without collision. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The term "including" and variations thereof as used herein are intended to be open-ended, i.e., including, but not limited to. The term "based on" is based at least in part on. The term "one embodiment" means "at least one embodiment," another embodiment "means" at least one additional embodiment, "and" some embodiments "means" at least some embodiments. Related definitions of other terms will be given in the description below. It should be noted that the terms "first," "second," and the like herein are merely used for distinguishing between different devices, modules, or units and not for limiting the order or interdependence of the functions performed by such devices, modules, or units.
It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those skilled in the art will appreciate that "one or more" is intended to be construed as "one or more" unless the context clearly indicates otherwise.
The names of messages or information interacted between the devices in the embodiments of the present invention are for illustrative purposes only and are not intended to limit the scope of such messages or information.
Referring to fig. 1 to 5, an embodiment of the present invention provides a connection fixing device for a silent rotary drilling machine drill bit and a power head, which comprises a middle cylinder 3 arranged between the power head 1 and the rotary drilling bit 2, a connecting cylinder 4 installed on the power head 1, and a bolt hydraulic cylinder 6 installed in the middle cylinder 3, wherein the connecting cylinder 4 is arranged in the middle cylinder 3;
A plurality of connecting plates 41 are arranged on the connecting cylinder 4, positioning holes 42 are arranged on the connecting plates 41, and connecting pieces 5 corresponding to the connecting plates 41 are fixed on the rotary drilling bit 2;
The connecting piece 5 comprises a connecting seat 51 welded on the rotary drilling bit 2, a movable hole 511 matched with the connecting plate 41 is arranged on the connecting seat 51 so that the connecting plate 41 can enter and exit the movable hole 511, a key hole 512 communicated with the movable hole 511 is arranged on the side surface of the connecting seat 51, and the positioning hole 42 is arranged in the key hole 512;
the output end of the bolt hydraulic cylinder 6 is provided with a pin shaft 7, so that the pin shaft 7 has a first position and a second position;
When the pin shaft 7 is positioned at the first position, the pin shaft 7 is driven by the pin hydraulic cylinder 6 to sequentially pass through the key hole 512 and the positioning hole 42;
when the pin 7 is in the second position, the latch cylinder 6 drives the pin 7 out of the key hole 512 and the positioning hole 42.
By adopting the structure, when the rotary drilling bit 2 is required to be subjected to soil unloading operation, after the steel wire rope is pulled by the winch, the rotary drilling bit 2 is lifted to the ground level, the connecting plate 41 on the connecting cylinder 4 enters the movable hole 511 of the connecting piece 5 until the movable hole 511 is positioned in the range of the key hole 512, the pin shaft 7 can be driven to the first position by the pin hydraulic cylinder 6, namely, the pin shaft 7 sequentially passes through the key hole 512 and the positioning hole 42, the connecting cylinder 4 can be connected with the connecting piece 5, and the connecting piece 5 is welded on the power head 1, so that the thrust generated by soil unloading can act on the power head 1 through the connection of the connecting cylinder 4, the connecting piece 5 and the pin shaft 7, and the steel wire rope is in an unstressed state when the soil is unloaded, so that the service life of the steel wire rope and the winch can be protected, the safety production when the rotary drilling bit is in work can be ensured, the occurrence of safety accidents and the maintenance cost can be greatly reduced, and the production efficiency can be improved, and when the rotary drilling bit 2 is required to be subjected to soil unloading, the rotary drilling bit 2 is required to be separated from the second position by the pin shaft 7 to the second position by driving the pin shaft 7, namely, the pin shaft 7 is required to be separated from the second position from the pin shaft 7, namely, the pin shaft 7 is required to be separated from the positioning hole 2.
In one embodiment, referring to fig. 2, 3 and 5, a key hole 512 penetrates through both sides of the connection base 51, so that when the pin 7 is located at the first position, the pin cylinder 6 drives the pin 7 to sequentially pass through the key hole 512, the positioning hole 42 and the key hole 512. In practical application, the key holes 512 penetrate through two side edges of the connecting seat 51, so that the pin shaft 7 can penetrate through the connecting seat 51, so as to increase the contact area between the pin shaft 7 and the connecting seat 51, and further improve the stability of connection.
In one embodiment, referring to fig. 2 to 5, a welding hole 21 is formed in the rotary drill bit 2 corresponding to the position of the connection member 5, and the connection seat 51 is welded to the rotary drill bit 2 through the welding hole 21. In practical application, through the setting of welding hole 21, can be convenient for connecting seat 51 pass dig drill bit 2 soon to be favorable to connecting seat 51 and dig the welding stability between the drill bit 2 soon.
The connecting seat 51 transversely penetrates through the connecting hole 513 at one end far away from the power head 1, a connecting rod 52 is welded in the connecting hole 513, and the connecting rod 52 is welded with the rotary drilling bit 2. In practical application, the length of the connecting rod 52 is greater than that of the welding hole 21, and the bearing capacity between the connecting seat 51 and the rotary drill bit 2 after welding can be improved through the arrangement of the connecting rod 52.
In one embodiment, referring to fig. 2 and 3, the output end of the latch cylinder 6 corresponds to the positioning hole 42. In practical application, the pin hydraulic cylinder 6 can be conveniently driven by the pin hydraulic cylinder 6 to accurately pass through the positioning hole 42 when the pin hydraulic cylinder 6 drives the pin 7.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
It will be appreciated by persons skilled in the art that the above embodiments are provided for clarity of illustration only and are not intended to limit the scope of the invention. Other variations or modifications of the above-described invention will be apparent to those of skill in the art, and are still within the scope of the invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411916602.1A CN119352906B (en) | 2024-12-24 | 2024-12-24 | A connecting and fixing device for a silent rotary drilling machine drill bit and a power head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411916602.1A CN119352906B (en) | 2024-12-24 | 2024-12-24 | A connecting and fixing device for a silent rotary drilling machine drill bit and a power head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119352906A true CN119352906A (en) | 2025-01-24 |
| CN119352906B CN119352906B (en) | 2025-03-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411916602.1A Active CN119352906B (en) | 2024-12-24 | 2024-12-24 | A connecting and fixing device for a silent rotary drilling machine drill bit and a power head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119352906B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0258689A (en) * | 1988-08-24 | 1990-02-27 | Michihiro Fukumoto | Excavator |
| US20180251952A1 (en) * | 2017-03-03 | 2018-09-06 | Tadano Mantis Corporation | Auger connection mechanism |
| CN110924860A (en) * | 2019-10-25 | 2020-03-27 | 中冶交通建设集团有限公司 | Rotary drilling rig |
| CN115788276A (en) * | 2022-12-03 | 2023-03-14 | 中国建筑一局(集团)有限公司 | Rotary excavator and rotary excavation pile construction process |
| CN117888807A (en) * | 2024-03-04 | 2024-04-16 | 国网江西省电力有限公司 | A multifunctional hole forming device |
-
2024
- 2024-12-24 CN CN202411916602.1A patent/CN119352906B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0258689A (en) * | 1988-08-24 | 1990-02-27 | Michihiro Fukumoto | Excavator |
| US20180251952A1 (en) * | 2017-03-03 | 2018-09-06 | Tadano Mantis Corporation | Auger connection mechanism |
| CN110924860A (en) * | 2019-10-25 | 2020-03-27 | 中冶交通建设集团有限公司 | Rotary drilling rig |
| CN115788276A (en) * | 2022-12-03 | 2023-03-14 | 中国建筑一局(集团)有限公司 | Rotary excavator and rotary excavation pile construction process |
| CN117888807A (en) * | 2024-03-04 | 2024-04-16 | 国网江西省电力有限公司 | A multifunctional hole forming device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119352906B (en) | 2025-03-21 |
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