CN213627445U - Special drilling tool is dug soon to gravel-containing coarse sandstone - Google Patents
Special drilling tool is dug soon to gravel-containing coarse sandstone Download PDFInfo
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- CN213627445U CN213627445U CN202022208030.5U CN202022208030U CN213627445U CN 213627445 U CN213627445 U CN 213627445U CN 202022208030 U CN202022208030 U CN 202022208030U CN 213627445 U CN213627445 U CN 213627445U
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Abstract
A gravel-containing coarse sandstone rotary drilling special drilling tool relates to the field of drilling equipment. The special rotary drilling tool for the gravel-containing coarse sandstone rotary drilling comprises a rotary drum, wherein a soil storage cavity is formed in the rotary drum, one end of the rotary drum is connected with a connecting shaft used for being connected with a rotary drilling rod, the other end of the rotary drum is connected with a bucket door capable of rotating to open or close the soil storage cavity, and the rotary drum is connected with a bucket door opening and closing device used for locking or loosening the bucket door; the hopper door is provided with at least one opening communicated with the soil storage cavity, and a rotating door and a stop block which are in one-to-one correspondence with the opening, the rotating door is configured to rotate along the axial direction of the hopper door to open and close the corresponding opening, and the stop block is configured to stop the corresponding rotating door so that the rotating door closes the corresponding opening; the revolving door is provided with a plurality of peripheral cutting teeth arranged along the circumferential direction of the bucket door and a plurality of tunneling teeth arranged along the radial direction of the bucket door. The gravel-containing coarse sandstone rotary drilling special drilling tool greatly improves the rotary drilling efficiency in gravel-containing coarse sandstone, and solves the problems that the rotary drilling hole is low in efficiency and the perpendicularity is difficult to guarantee.
Description
Technical Field
The application relates to the field of drilling equipment, in particular to a special drilling tool for a gravel-containing coarse sandstone rotary excavating.
Background
At present, in the construction process of an underground continuous wall, no matter a drilled pile or an underground continuous wall needs to be drilled by a rotary excavating machine in the grooving process, but in the underground construction process, the structural maturity of conglomerates is low, the pore space taking gravels as a framework is completely or partially filled with sand-grade particles, and the pore space consisting of the gravels is also filled with clay miscellaneous bases, so that a complex bimodal or complex modal structure is formed, the bimodal or complex modal structure is common in a positive grain sequence and a reverse grain sequence graded layer, and common scouring structures and overlapping scouring structures on the layer surface, belongs to land source clastic rocks in sedimentary rocks, and is cemented by clastic deposits to form rocks, the clastic rock clastic particles are large, and according to the characteristic analysis of the gravels, several problems exist in the rotary excavating hole forming process: firstly, the grinding bucket containing quartz sand grinding teeth is serious; secondly, the rock stratum contains larger gravels, so that the hole is easy to deviate; thirdly, the cylindrical drill with large mud content does not have the possibility of pile core breaking, and the rotary drilling operation is difficult due to the problems, so that the progress of the project is seriously influenced.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a special drilling tool is dug soon to gravel-containing coarse sandstone, its efficiency of digging soon in gravel-containing coarse sandstone that has improved greatly, improved dig the problem that the pore-forming efficiency is low and the straightness that hangs down is difficult to guarantee soon.
The embodiment of the application is realized as follows:
the embodiment of the application provides a special rotary drilling tool for a gravel-containing coarse sandstone rotary drilling, which comprises a rotary drum, wherein a soil storage cavity is arranged in the rotary drum; the hopper door is provided with at least one opening communicated with the soil storage cavity, and a rotating door and a stop block which are in one-to-one correspondence with the opening, the rotating door is configured to rotate along the axial direction of the hopper door to open and close the corresponding opening, and the stop block is configured to stop the corresponding rotating door so that the rotating door closes the corresponding opening; the revolving door is provided with a plurality of peripheral cutting teeth arranged along the circumferential direction of the bucket door and a plurality of tunneling teeth arranged along the radial direction of the bucket door.
In some optional embodiments, the hopper door is provided with two fan-shaped openings which are arranged oppositely, and a rotating door and a stop block which correspond to the openings in a one-to-one mode, wherein the two stop blocks are arranged oppositely and are respectively arranged on one side of the corresponding opening.
In some alternative embodiments, the bucket door opening and closing device includes a push rod capable of moving axially, a first hook connected with the bucket door, and a second hook capable of being locked or unlocked with the first hook in a rotating mode, the push rod is hinged with the second hook, and the push rod is configured to drive the second hook to be locked or unlocked with the first hook in a rotating mode when moving axially.
In some alternative embodiments, one end of the push rod penetrates through the rotary drum and is sleeved with a support plate and a spring, and two ends of the spring are respectively pressed against the support plate and the rotary drum.
In some alternative embodiments, the side wall of the drum defines at least one side opening in communication with the soil storage chamber.
In some alternative embodiments, the peripheral picks and the ripping teeth are arranged at an angle of 60-65 degrees to the ripping face.
In some alternative embodiments, the line of each respective ripping tooth for each revolving door is arranged at an angle of 20-25 degrees to the ripping face.
The beneficial effect of this application is: the special rotary drilling tool for the gravel-containing coarse sandstone rotary drilling comprises a rotary drum, wherein a soil storage cavity is formed in the rotary drum, one end of the rotary drum is connected with a connecting shaft used for being connected with a rotary drilling rod, the other end of the rotary drum is connected with a bucket door capable of rotating to open or close the soil storage cavity, and the rotary drum is connected with a bucket door opening and closing device used for locking or loosening the bucket door; the hopper door is provided with at least one opening communicated with the soil storage cavity, and a rotating door and a stop block which are in one-to-one correspondence with the opening, the rotating door is configured to rotate along the axial direction of the hopper door to open and close the corresponding opening, and the stop block is configured to stop the corresponding rotating door so that the rotating door closes the corresponding opening; the revolving door is provided with a plurality of peripheral cutting teeth arranged along the circumferential direction of the bucket door and a plurality of tunneling teeth arranged along the radial direction of the bucket door. The special drilling tool for the rotary drilling of the gravel-containing coarse sandstone greatly improves the rotary drilling efficiency of the gravel-containing coarse sandstone, and solves the problems that the rotary drilling has low hole forming efficiency and the verticality is difficult to guarantee.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a special rotary drilling tool for gravel-containing coarse sandstones according to an embodiment of the present application;
fig. 2 is a schematic structural view of a bucket gate in the special rotary drilling tool for the gravel-containing coarse sandstone according to the embodiment of the present application;
fig. 3 is a schematic structural view of a gate in a special rotary drilling tool for gravelly-contained coarse sandstones, according to another embodiment of the present application.
In the figure: 100. a rotating drum; 110. a soil storage cavity; 120. a connecting shaft; 130. a hopper door; 140. an opening; 150. a revolving door; 160. a stopper; 170. peripheral cutting picks; 180. tunneling teeth; 190. a push rod; 200. a first hook claw; 210. a second claw; 220. a support plate; 230. a spring; 240. A side opening; 250. a rotating shaft; 260. a pin hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the application usually place when in use, and are used only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The characteristics and performance of the special rotary drilling tool for the gravel-containing coarse sandstone are further described in detail with reference to the following embodiments.
As shown in fig. 1 and 2, an embodiment of the application provides a special rotary drilling tool for a gravel-containing coarse sandstone, which includes a rotary drum 100 having a soil storage cavity 110 therein, one end of the rotary drum 100 is connected with a connecting shaft 120 for connecting with a rotary drilling rod, the other end of the rotary drum 100 is connected with a gate 130 capable of rotating to open or close the soil storage cavity 110, the connecting shaft 120 is provided with three pin holes 260, a side opening 240 communicated with the soil storage cavity 110 is formed in a side wall of the rotary drum 100, the rotary drum 100 is connected with a gate opening and closing device for locking or releasing the gate 130, the gate opening and closing device includes a push rod 190 capable of moving in an axial direction, a first hook 200 connected with the gate 130, and a second hook 210 capable of rotating to be locked or released from the first hook 200, one end of the push rod 190 extends into the rotary drum 100 and is hinged to the second hook 210, the other end of the push rod penetrates through the rotary drum 100 and is sleeved with a support plate 220 and a spring 230, and two ends of the spring 230 respectively abut The movable second hook claw 210 rotates to be hooked or unhooked with the first hook claw 200.
The hopper door 130 is provided with two fan-shaped openings 140 which are oppositely arranged and communicated with the soil storage cavity 110, one side of the hopper door 130, which is far away from the rotary drum 100, is also provided with a rotary door 150 and a stop dog 160 which are in one-to-one correspondence with the openings 140, the hopper door 130 is connected with a rotary shaft 250 which is coaxially arranged, the rotary door 150 is hinged with the rotary shaft 250 and can rotate along the rotary shaft 250 to open and close the corresponding openings 140, and the stop dog 160 is arranged on one side of the corresponding opening 140 and is used for stopping the corresponding rotary door 150 so that the rotary door 150 closes the corresponding opening 140; each rotating door 150 is provided with 4 peripheral cutting teeth 170 arranged along the circumferential direction of the hopper door 130 and 5 tunneling teeth 180 arranged along the radial direction of the hopper door 130, two tunneling teeth 180 are arranged on the rotating shaft 250, and the peripheral cutting teeth 170 and the tunneling teeth 180 are arranged at an angle of 63 degrees with respect to a tunneling surface.
The gravel-containing coarse sandstone rotary drilling special drilling tool provided by the embodiment is provided with the connecting shaft 120 for connecting the rotary drilling rod at one end of the rotary drum 100, an operator can fix the rotary drum 100 to the rotary drilling rod by using the pin hole 260 and the fixed pin on the connecting shaft 120, so that the rotary drilling rod and the driving device are used for driving the rotary drum 100 to rotate to perform excavation operation, when the rotary drum 100 rotates, the rotary drum 100 drives the hopper door 130 and the peripheral cutting teeth 170 and the tunneling teeth 180 arranged on the rotary door 150 connected with the hopper door 130 to rotate to perform excavation operation, wherein the tunneling perpendicularity of the rotary drum 100 can be effectively improved by the peripheral cutting teeth 170 arranged along the circumferential direction of the rotary door 150, an eccentric hole caused in the tunneling process is avoided, and the tunneling teeth 180 arranged along the radial direction of the rotary door.
In addition, the side wall of the rotary drum 100 is provided with a side opening 240 communicated with the soil storage cavity 110, so that gravel sand excavated during the excavation process can flow into the soil storage cavity 110 through the side opening 240 for storage, so as to improve the excavation efficiency, meanwhile, the rotary drum 100 is connected with a gate opening and closing device for locking or releasing the gate 130 so that the gate 130 opens the soil storage cavity 110 when necessary, so as to discharge the gravel sand stored in the soil storage cavity 110, when the gate 130 is opened, the push rod 190 mainly needs to be pressed to move the push rod 190 along the axial extrusion spring 230, when the push rod 190 moves, the second hook 210 is driven to rotate to stop the first hook 200, when the gate 130 loses the hook of the second hook 210, the soil storage cavity 110 is opened by the influence of gravity, the stored gravel sand is discharged, when the operator needs to reuse the gate 130 to close the soil storage cavity 110, the push rod 190 only needs to be released, the elastic force of the spring 230 drives the push rod 190 to reset and drives the second claw 210 to rotate and reset, at this time, only the rotating drum 100 needs to be continuously moved downwards until the bottom of the rotating drum touches, the hopper door 130 is extruded by the ground bottom and reversely rotates to the closed soil storage cavity 110, and when the hopper door 130 reversely rotates to the closed soil storage cavity 110, the connected first claw 200 is driven to rotate and is in hook-lock connection with the reset second claw 210 for locking.
The hopper door 130 is provided with two oppositely arranged openings 140, a rotating door 150 and a stop block 160 which are in one-to-one correspondence with the openings 140, the hopper door 130 is connected with a rotating shaft 250 which is coaxially arranged, the rotating door 150 is hinged with the rotating shaft 250 and can rotate along the rotating shaft 250 to open and close the corresponding openings 140, the stop block 160 is arranged on one side of the corresponding opening 140 and is used for stopping the corresponding rotating door 150 so that the rotating door 150 closes the corresponding opening 140, when the rotary drum 100 rotates towards one direction, the hopper door 130 and the rotating door 150 are driven to rotate, at the moment, the rotating door 150 rotates to press against the corresponding stop block 160 to close the corresponding opening 140, at the moment, normal rotary excavating and tunneling operation is carried out, when the rotary drum 100 rotates towards the other opposite direction, the hopper door 130 and the rotating door 150 are driven to rotate in opposite directions, at the moment, the rotating door 150 rotates in opposite directions to press against the other stop block 160 to open the two openings 140, at the moment, excavated, thereby effectual improvement excavation efficiency, need the clearance to dig out the grit and reduce excavation efficiency when having avoided the excavation.
As shown in fig. 3, in other alternative embodiments, the surfaces of the two revolving doors 150 are raised, so that the connecting line of each tunneling tooth 180 arranged along the radial direction of the corresponding revolving door 150 and the tunneling surface form an angle of 25 degrees, thereby realizing the tapered footage effect and effectively improving the tunneling efficiency.
The embodiments described above are some, but not all embodiments of the present application. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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 application.
Claims (7)
1. A gravel-containing coarse sandstone rotary drilling special drilling tool is characterized by comprising a rotary drum, wherein a soil storage cavity is arranged in the rotary drum, one end of the rotary drum is connected with a connecting shaft used for being connected with a rotary drilling rod, the other end of the rotary drum is connected with a hopper door which can rotate to open or close the soil storage cavity, and the rotary drum is connected with a hopper door opening and closing device used for locking or loosening the hopper door; the hopper door is provided with at least one opening communicated with the soil storage cavity, and a rotating door and a stop block, wherein the rotating door corresponds to the opening in a one-to-one mode, the rotating door is configured to rotate along the axial direction of the hopper door to open and close the corresponding opening, and the stop block is configured to stop the corresponding rotating door so that the rotating door closes the corresponding opening; the rotary door is provided with a plurality of peripheral cutting teeth arranged along the circumferential direction of the hopper door and a plurality of tunneling teeth arranged along the radial direction of the hopper door.
2. The special drilling tool for the rotary excavation of the gravelly-contained coarse sandstone, according to claim 1, wherein the dipper is provided with two fan-shaped openings which are arranged oppositely, and a revolving door and a stop block which are in one-to-one correspondence with the openings, and the two stop blocks are arranged oppositely and are respectively arranged at one side corresponding to the openings.
3. The special drilling tool for the rotary drilling of the gravel-containing coarse sandstone, according to claim 1, wherein the gate opening and closing device comprises a push rod capable of moving in the axial direction, a first hook claw connected with the gate, and a second hook claw capable of being locked or unlocked with the first hook claw in a rotating manner, the push rod is hinged with the second hook claw, and the push rod is configured to drive the second hook claw to rotate and be locked or unlocked with the first hook claw when moving in the axial direction.
4. The special drilling tool for the rotary excavation of the gravel-containing coarse sandstone as claimed in claim 3, wherein one end of the push rod penetrates out of the rotary drum and is sleeved with a support plate and a spring, and two ends of the spring are respectively pressed against the support plate and the rotary drum.
5. The special rotary drilling tool for the gravel-containing coarse sandstone according to claim 1, wherein the side wall of the rotating cylinder is provided with at least one side opening communicated with the soil storage cavity.
6. The gravel-containing coarse sandstone rotary drilling special drilling tool according to claim 1, wherein the peripheral cutting teeth and the tunneling teeth are arranged at an angle of 60-65 degrees with respect to a tunneling surface.
7. The special rotary drilling tool for the gravelly-contained coarse sandstone, according to claim 1, wherein the connecting line of each tunneling tooth corresponding to each revolving door is arranged at an angle of 20-25 degrees with the tunneling surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022208030.5U CN213627445U (en) | 2020-09-30 | 2020-09-30 | Special drilling tool is dug soon to gravel-containing coarse sandstone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022208030.5U CN213627445U (en) | 2020-09-30 | 2020-09-30 | Special drilling tool is dug soon to gravel-containing coarse sandstone |
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| CN213627445U true CN213627445U (en) | 2021-07-06 |
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| CN202022208030.5U Active CN213627445U (en) | 2020-09-30 | 2020-09-30 | Special drilling tool is dug soon to gravel-containing coarse sandstone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116927695A (en) * | 2023-09-15 | 2023-10-24 | 山东千颐科技有限公司 | Rock drilling device for rotary drilling |
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2020
- 2020-09-30 CN CN202022208030.5U patent/CN213627445U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116927695A (en) * | 2023-09-15 | 2023-10-24 | 山东千颐科技有限公司 | Rock drilling device for rotary drilling |
| CN116927695B (en) * | 2023-09-15 | 2023-12-05 | 山东千颐科技有限公司 | Rock drilling device for rotary drilling |
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