CN113073943A - Special-shaped multi-edge grooved drill rod - Google Patents
Special-shaped multi-edge grooved drill rod Download PDFInfo
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- CN113073943A CN113073943A CN202110331093.6A CN202110331093A CN113073943A CN 113073943 A CN113073943 A CN 113073943A CN 202110331093 A CN202110331093 A CN 202110331093A CN 113073943 A CN113073943 A CN 113073943A
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- 238000005553 drilling Methods 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 146
- NRTLIYOWLVMQBO-UHFFFAOYSA-N 5-chloro-1,3-dimethyl-N-(1,1,3-trimethyl-1,3-dihydro-2-benzofuran-4-yl)pyrazole-4-carboxamide Chemical compound C=12C(C)OC(C)(C)C2=CC=CC=1NC(=O)C=1C(C)=NN(C)C=1Cl NRTLIYOWLVMQBO-UHFFFAOYSA-N 0.000 claims description 4
- 239000003245 coal Substances 0.000 abstract description 19
- 239000003818 cinder Substances 0.000 abstract description 18
- 238000007599 discharging Methods 0.000 abstract description 2
- 241000282472 Canis lupus familiaris Species 0.000 description 22
- 239000002002 slurry Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- 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
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- 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
- E21B17/006—Accessories for drilling pipes, e.g. cleaners
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- 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
- E21B17/18—Pipes provided with plural fluid passages
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- 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
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to the technical field of drill rods, in particular to a special-shaped multi-edge grooving drill rod, which comprises a drill rod body, wherein the drill rod body is in a multi-prism shape, a plurality of square grooves are formed in edges of the drill rod body, and the square grooves in the adjacent edges of the drill rod body are arranged in a staggered manner; a male joint is arranged at one end of the drilling rod body, a female joint is arranged at the other end of the drilling rod body, a central water channel is formed in the drilling rod body, the male joint and the female joint, and two auxiliary water channels are symmetrically arranged between the central water channel of the drilling rod body and the outer wall of the drilling rod body; the central water channel is internally provided with a central conduction device, and the two auxiliary water channels are respectively and vertically provided with auxiliary conduction devices. The invention can quickly and effectively cool the drill rod, simultaneously ensures that the water channel is not easy to be blocked, and is convenient for further cutting and discharging the coal cinder.
Description
Technical Field
The invention relates to the technical field of drill rods, in particular to a special-shaped multi-edge grooved drill rod.
Background
In the coal mining process, a coal seam needs to be drilled by a drill rod. The special-shaped multi-edge grooving drill rod is widely applied to deep hole drilling construction of high gas coal seams, particularly soft coal seams. When a soft coal seam over 200 meters is drilled in a deep hole, the temperature of a drill rod is often high, and cold water needs to be introduced for cooling. When the drilling rod temperature is too high, often cool off the drilling rod through the output power of adjustment cold water pump among the prior art, however under the certain condition of capacity of water course in the drilling rod, the effect of cooling the drilling rod through adjusting the power of cold water pump alone is not ideal, can't carry out rapid cooling to the drilling rod in the short time, and the drilling rod still can face the possibility of being burnt out. Meanwhile, in the prior art, the drilling slag at the bottom of the hole is easily sucked into the water channel to block the water channel, once the water channel is blocked, water cannot be discharged smoothly to cool the drill rod, and the temperature of the drill rod is continuously increased to be burned out.
Disclosure of Invention
In order to solve the problems, the invention provides the special-shaped multi-edge grooved drill rod, which can quickly and effectively cool the drill rod, simultaneously ensures that a water channel is not easy to block, and is convenient for further cutting and discharging coal cinder.
The technical scheme adopted by the invention for solving the technical problems is as follows: the special-shaped multi-edge grooving drill rod comprises a drill rod body, wherein the drill rod body is in a multi-edge shape, a plurality of square grooves are formed in edges of the drill rod body, and the square grooves in the adjacent edges of the drill rod body are arranged in a staggered mode; a male joint is arranged at one end of the drilling rod body, a female joint is arranged at the other end of the drilling rod body, a central water channel is formed in the drilling rod body, the male joint and the female joint, and two auxiliary water channels are symmetrically arranged between the central water channel of the drilling rod body and the outer wall of the drilling rod body; the central water channel is internally provided with a central conduction device, and the two auxiliary water channels are respectively and vertically provided with auxiliary conduction devices.
The edge of the drill rod body is provided with a plurality of square grooves, the edge of the drill rod body is divided by the square grooves, when the drill rod rotates, the divided edges can generate cutting force, a plurality of linear edges are formed at the intersection of the square grooves and the edges, and the linear edges also have the cutting effect on coal cinder; the square grooves on the adjacent edges of the drill rod bodies are arranged in a staggered mode, so that the drill rods can generate eddy currents when rotating, and meanwhile, the coal cinder can be discharged conveniently.
Two auxiliary water channels are symmetrically arranged between the central water channel of the drill rod body and the outer wall of the drill rod body, the two auxiliary water channels are communicated with external water supply when the drill rod needs to be rapidly cooled, the drill rod is rapidly cooled, and the cooling effect is ideal.
Preferably, the central water channel comprises a dewatering water channel arranged between the central conduction device and the male joint and an incoming water channel arranged between the central conduction device and the female joint; the central breakover device comprises a water retaining groove fixedly arranged in the central water channel, the water retaining groove comprises a central water retaining plate, an upper water retaining plate arranged on the upper part of the central water retaining plate and a lower water retaining plate arranged on the lower part of the central water retaining plate, and the size of the central water retaining plate is matched with the inner diameter of the central water channel; an upper water through hole is formed in the center of the upper water baffle, a lower water through hole is formed in the center of the lower water baffle, and the upper water through hole and the lower water through hole are respectively communicated with a dewatering water channel; a first water diversion channel and a second water diversion channel are arranged in the direction of the incoming water channel close to the male connector, the first water diversion channel is communicated with the upper limber hole, and the second water diversion channel is communicated with the lower limber hole; a central spring is arranged on one side, close to the female joint, of the central water baffle, a wedge-shaped stop block is arranged on one side, close to the female joint, of the central spring, the size of the tip of the wedge-shaped stop block is smaller than the inner diameter of the water channel, and the size of the wide head of the wedge-shaped stop block is larger than the inner diameter of the water channel; when the central water channel is not communicated with water, the central spring is in a natural state or a compressed state, the tip of the wedge-shaped stop block extends into the water channel, and the water channel is not communicated with the first water distribution channel and the second water distribution channel respectively; when the central water channel is filled with water, the central spring is in a compressed state, the wedge-shaped stop block is far away from the water channel, and the water channel is respectively communicated with the first water distribution channel and the second water distribution channel.
The central conduction device can quickly respond when the central water channel is communicated with water, so that the water supply of the central water channel of the drill rod is communicated; on the contrary, when the central water channel is not filled with water, the wedge-shaped stop block can effectively prevent coal cinder and the like from entering the central water channel, thereby avoiding the situation that the central water channel is blocked.
The wedge-shaped stop blocks are symmetrical in shape, so that the start and stop of the first water diversion channel and the second water diversion channel can be controlled simultaneously through the wedge-shaped stop blocks, when water flow reaches the wedge-shaped stop blocks from the water channel, the wedge-shaped stop blocks are pushed to move towards the direction close to the central water baffle plate, the shape of the wedge-shaped stop blocks has a flow guiding effect on the water flow, the resistance of the water flow flowing into the first water diversion channel and the second water diversion channel is smaller, and the water flow is smoother; the first water distribution channel and the second water distribution channel are communicated, water flows simultaneously flow into the first water distribution channel and the second water distribution channel, the internal structure is simplified under the condition that the water passing efficiency of the central water channel is guaranteed, and the response is quicker and more efficient when the central water channel passes water.
When the water supply of the water supply channel is stopped, the wedge-shaped stop block is reset under the elastic force of the central spring. If cinder, mud etc. reach the position of central breakwater through the waterway of going to water, partial cinder, mud reach wedge dog department through last limbers and lower limbers, and the atress of wedge dog offsets, and wedge dog is in the position that stretches into the water course all the time, and a diversion passageway and No. two diversion passageways can not put through with the water course that comes, thereby guaranteed the circumstances that cinder etc. can not get into the water course of coming and block up the water supply.
As optimization, the auxiliary conduction device comprises a first auxiliary stop block and a second auxiliary stop block which are hinged with the side wall of the auxiliary water channel, and the first auxiliary stop block and the second auxiliary stop block are used for opening and closing the auxiliary water channel; a first fixed block is arranged on one side, close to the water inlet direction, of the first auxiliary stop block, a second fixed block is arranged on one side, close to the water inlet direction, of the second auxiliary stop block, and the first fixed block and the second fixed block are fixedly connected with the side wall of the auxiliary water channel respectively; one side that supplementary dog is close to the direction of anhydrating is provided with auxiliary spring No. one, one side that supplementary dog is close to the direction of anhydrating is provided with auxiliary spring No. two, auxiliary spring's one end links firmly with supplementary dog No. one, auxiliary spring's the other end links firmly with supplementary water course lateral wall, auxiliary spring's one end links firmly with supplementary dog No. two, auxiliary spring's the other end links firmly with supplementary water course lateral wall No. two.
The auxiliary conduction device can ensure that the auxiliary water channel is quickly connected to supply water when the drill rod needs to be quickly cooled. When the auxiliary water channel supplies water, the impact force of the water flow enables the first auxiliary spring and the second auxiliary spring to be compressed, so that the first auxiliary stop block and the second auxiliary stop block are driven to rotate towards the direction close to the male connector, and the water supply of the auxiliary water channel is switched on.
When the water supply of supplementary water course stopped, partial cinder, mud etc. reachd supplementary dog and No. two supplementary dog departments, because the setting of a fixed block and No. two fixed blocks, supplementary dog and No. two supplementary dogs stop cinder, mud, supplementary water course is in not the on-state all the time, cinder, mud can not cause the jam to supplementary water course.
Preferably, the auxiliary conduction devices are transversely arranged on the sides, close to the water inlet direction, of the upper water through hole and the lower water through hole.
The auxiliary conduction devices are arranged on the sides, close to the water inlet direction, of the upper water through hole and the lower water through hole, so that coal cinder, slurry and the like can be further prevented from entering the first water distribution channel and the second water distribution channel when the central water channel is not filled with water, the coal cinder and the slurry are further prevented from entering the water inlet channel, and the blocking condition is prevented.
Preferably, the outer wall of the male connector is provided with external threads, the inner wall of the female connector is provided with internal threads, and the external threads and the internal threads are matched with each other.
Preferably, the cross section of the central water channel is circular, and the cross section of the auxiliary water channel is fan-shaped.
The invention has the beneficial effects that: compared with the prior art, the special-shaped multi-edge grooving drill rod can quickly respond when the temperature of the drill rod is too high, and the drill rod is conveniently and efficiently cooled; meanwhile, the coal slag and the slurry can be effectively prevented from blocking a water channel of the drill rod, so that the water flow is smoother.
Drawings
Fig. 1 is a perspective view of the overall structure of the present invention.
FIG. 2 is a front view of the present invention.
FIG. 3 is a left side view of the present invention.
Fig. 4 is a schematic diagram of an internal structure according to an embodiment of the present invention.
FIG. 5 is an enlarged view of the structure at B in FIG. 4 according to the present invention.
Fig. 6 is a schematic diagram of an internal structure of the second embodiment of the present invention.
FIG. 7 is an enlarged view of the structure at A in FIG. 6 according to the present invention.
FIG. 8 is an enlarged view of the structure at C of FIG. 6 according to the present invention.
Wherein, 1 body of rod, 2 square grooves, 3 male connectors, 4 female connectors, 5 central water channels, 6 supplementary water channels, 7 central authorities switch on the device, 8 supplementary devices that switch on, 9 water channels, 10 water course, 11 manger plates, 12 central manger plates, 13 last manger plates, 14 lower manger plates, 15 last limbers, 16 lower limbers, 17 a diversion passageway, No. 18 second diversion passageway, 19 central spring, 20 wedge dog, No. 21 supplementary dog, No. 22 second supplementary dog, No. 23 fixed block, No. 24 second fixed block, No. 25 auxiliary spring, No. 26 second supplementary spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the present specification.
The first embodiment is as follows:
in the embodiment shown in fig. 1-5, the special-shaped multi-edge grooved drill rod comprises a drill rod body 1, wherein the drill rod body 1 is in a hexagonal prism shape, and a plurality of square grooves 2 are formed in the edges of the drill rod body 1, so that the coal cinder can be further cut; the square grooves 2 on the adjacent edges of the drill rod body 1 are arranged in a staggered mode, so that eddy current is formed, and coal slag is discharged conveniently; a male joint 3 is arranged at one end of the drill rod body 1, a female joint 4 is arranged at the other end of the drill rod body 1, and the male joint 3 and the female joint 4 are matched with each other for use; a central water channel 5 is formed in the drilling rod body 1, the male joint 3 and the female joint 4, and two auxiliary water channels 6 are symmetrically arranged between the central water channel 5 of the drilling rod body 1 and the outer wall of the drilling rod body 1, so that the drilling rod can be rapidly cooled when the temperature of the drilling rod is too high; and a central conduction device 7 is arranged in the central water channel 5, and auxiliary conduction devices 8 are vertically arranged in the two auxiliary water channels 6 respectively.
The central water channel 5 comprises a dewatering water channel 9 arranged between the central conduction device 7 and the male connector 3 and an incoming water channel 10 arranged between the central conduction device 7 and the female connector 4.
The central breakover device 7 comprises a water retaining groove 11 fixedly arranged in the central water channel 5, the water retaining groove 11 comprises a central water retaining plate 12, an upper water retaining plate 13 arranged on the upper part of the central water retaining plate 12 and a lower water retaining plate 14 arranged on the lower part of the central water retaining plate 12, and the size of the central water retaining plate 12 is matched with the inner diameter of the central water channel 5, so that coal cinder is prevented from further penetrating in the central water channel 5, and blockage is avoided; an upper water through hole 15 is formed in the center of the upper water baffle 13, a lower water through hole 16 is formed in the center of the lower water baffle 14, and the upper water through hole 15 and the lower water through hole 16 are respectively communicated with the dewatering water channel 9; the direction that the incoming water course 10 is close to male joint 3 is provided with diversion passageway 17 and No. two diversion passageways 18, diversion passageway 17 and last limbers 15 intercommunication No. one, No. two diversion passageways 18 and lower limbers 16 intercommunication set up two diversion passageways and are convenient for guarantee the flow and the velocity of flow of rivers to cool down the drilling rod fast.
A central spring 19 is arranged on one side, close to the female joint 4, of the central water baffle 12, a wedge-shaped block 20 is arranged on one side, close to the female joint 4, of the central spring 19, the size of the tip of the wedge-shaped block 20 is smaller than the inner diameter of the water channel 10, and the size of the wide head of the wedge-shaped block 20 is larger than the inner diameter of the water channel 10, so that incoming water can be effectively sealed; when the central water channel 5 is not communicated with water, the central spring 19 is in a natural state or a compressed state, the tip of the wedge-shaped stop block 20 extends into the water channel 10, and the water channel 10 is not communicated with the first water distribution channel 17 and the second water distribution channel 18 respectively; when the central water channel 5 is filled with water, impact force is generated on the wedge-shaped stop block 20 by water flow to push the central spring 19, the central spring 19 is in a compressed state, the wedge-shaped stop block 20 is far away from the water channel 10, and the water channel 10 is respectively communicated with the first water distribution channel 17 and the second water distribution channel 18.
The auxiliary conduction device 8 comprises a first auxiliary stop 21 and a second auxiliary stop 22 which are hinged with the side wall of the auxiliary water channel 6, and the first auxiliary stop 21 and the second auxiliary stop 22 are used for opening and closing the auxiliary water channel 6; a first fixed block 23 is arranged on one side, close to the water inlet direction, of the first auxiliary stop block 21, a second fixed block 24 is arranged on one side, close to the water inlet direction, of the second auxiliary stop block 22, and the first fixed block 23 and the second fixed block 24 are fixedly connected with the side wall of the auxiliary water channel 6 respectively, so that when no water is filled in the auxiliary water channel 6, coal cinder, slurry and the like cannot stretch into the auxiliary water channel 6, and the auxiliary water channel 6 is prevented from being blocked; one side that supplementary dog 21 is close to the direction of anhydrating is provided with auxiliary spring 25 No. one, one side that supplementary dog 22 is close to the direction of anhydrating is provided with auxiliary spring 26 No. two, the one end of auxiliary spring 25 links firmly with supplementary dog 21 No. one, the other end of auxiliary spring 25 links firmly with supplementary water course 6 lateral wall, the one end of No. two auxiliary spring 26 links firmly with supplementary dog 22 No. two, the other end of No. two auxiliary spring 26 links firmly with supplementary water course 6 lateral wall to when supplementary water course 6 leads to, rivers produce the impact force to supplementary dog 21 and supplementary dog 22 No. two, under the spring action of auxiliary spring 25, supplementary dog 21 is opened No. one, under the spring action of supplementary spring 26 No. two, supplementary dog 22 is opened No. two, and rivers flow through supplementary water course 6 and cool down the drilling rod.
The outer wall of the male connector 3 is provided with external threads, the inner wall of the female connector 4 is provided with internal threads, and the external threads and the internal threads are matched with each other.
The cross section of the central water channel 5 is circular, and the cross section of the auxiliary water channel 6 is fan-shaped.
Example two:
as shown in fig. 6-8, the present embodiment is different from the first embodiment in that the auxiliary conducting device 8 is transversely disposed on both sides of the upper water through hole 15 and the lower water through hole 16 close to the incoming water direction, so that the coal cinder and the slurry can be further prevented from entering the central conducting device 7, and the central water channel 5 is further prevented from being blocked.
Before the drill rod body connecting device is used, a plurality of drill rod bodies 1 are connected one by one through the male connectors 3 and the female connectors 4 according to needs, and the auxiliary water channels 6 of the drill rod bodies 1 are in mutually matched positions after the connection is finished, so that the auxiliary water channels 6 can be conveniently communicated. When in use, the external cold water pump is communicated with the central water channel 5, and the central communication device 7 is in a communication state to supply water for the drill rod; when the temperature of the drill rod is too high, the external cold water pump of the two auxiliary water channels 6 is started, the auxiliary conduction device 8 is conducted, and water is supplied to the drill rod through the two auxiliary water channels 6. When the water supply is stopped, due to the blocking effect of the central conduction device 7 and the auxiliary conduction device 8, the blockage of the water channel caused by the coal cinder, the slurry and the like entering the water channel can be prevented.
The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any special-shaped multi-grooved drill rod according to the claims of the present invention and any suitable changes or modifications thereof by those of ordinary skill in the art shall fall within the protection scope of the present invention.
Claims (8)
1. The special-shaped multi-edge grooving drill rod is characterized in that: the drilling rod comprises a drilling rod body, wherein the drilling rod body is polygonal, a plurality of square grooves are formed in edges of the drilling rod body, and the square grooves in the adjacent edges of the drilling rod body are arranged in a staggered mode; a male joint is arranged at one end of the drilling rod body, a female joint is arranged at the other end of the drilling rod body, a central water channel is formed in the drilling rod body, the male joint and the female joint, and two auxiliary water channels are symmetrically arranged between the central water channel of the drilling rod body and the outer wall of the drilling rod body; the central water channel is internally provided with a central conduction device, and the two auxiliary water channels are respectively and vertically provided with auxiliary conduction devices.
2. The profiled multi-edge grooved drill rod as claimed in claim 1, wherein: the central water channel comprises a dewatering water channel arranged between the central conduction device and the male joint and an incoming water channel arranged between the central conduction device and the female joint.
3. The profiled multi-edge grooved drill rod as claimed in claim 2, wherein: the central breakover device comprises a water retaining groove fixedly arranged in the central water channel, the water retaining groove comprises a central water retaining plate, an upper water retaining plate arranged on the upper part of the central water retaining plate and a lower water retaining plate arranged on the lower part of the central water retaining plate, and the size of the central water retaining plate is matched with the inner diameter of the central water channel; an upper water through hole is formed in the center of the upper water baffle, a lower water through hole is formed in the center of the lower water baffle, and the upper water through hole and the lower water through hole are respectively communicated with a dewatering water channel; a first water diversion channel and a second water diversion channel are arranged in the direction of the water supply channel close to the male connector, the first water diversion channel is communicated with the upper limber hole, and the second water diversion channel is communicated with the lower limber hole.
4. The profiled multi-edge grooved drill rod as claimed in claim 3, wherein: a central spring is arranged on one side, close to the female joint, of the central water baffle, a wedge-shaped stop block is arranged on one side, close to the female joint, of the central spring, the size of the tip of the wedge-shaped stop block is smaller than the inner diameter of the water channel, and the size of the wide head of the wedge-shaped stop block is larger than the inner diameter of the water channel; when the central water channel is not filled with water, the central spring is in a natural state or a compressed state, and the tip of the wedge-shaped stop block extends into the water channel.
5. The profiled multi-ribbed grooved drill rod as set forth in any one of claims 1 to 4, wherein: the auxiliary conduction device comprises a first auxiliary stop block and a second auxiliary stop block which are hinged with the side wall of the auxiliary water channel, and the first auxiliary stop block and the second auxiliary stop block are used for opening and closing the auxiliary water channel; a first fixed block is arranged on one side, close to the water inlet direction, of the first auxiliary stop block, a second fixed block is arranged on one side, close to the water inlet direction, of the second auxiliary stop block, and the first fixed block and the second fixed block are fixedly connected with the side wall of the auxiliary water channel respectively; one side that supplementary dog is close to the direction of anhydrating is provided with auxiliary spring No. one, one side that supplementary dog is close to the direction of anhydrating is provided with auxiliary spring No. two, auxiliary spring's one end links firmly with supplementary dog No. one, auxiliary spring's the other end links firmly with supplementary water course lateral wall, auxiliary spring's one end links firmly with supplementary dog No. two, auxiliary spring's the other end links firmly with supplementary water course lateral wall No. two.
6. The profiled multi-ribbed grooved drill rod as set forth in claim 3 or 4, wherein: and auxiliary conduction devices are transversely arranged on one sides of the upper water through holes and the lower water through holes close to the water inlet direction.
7. The profiled multi-ribbed grooved drill rod as set forth in any one of claims 1 to 4, wherein: the male connector outer wall is provided with the external screw thread, the female connector inner wall is provided with the internal thread, external screw thread and internal thread match each other.
8. The profiled multi-ribbed grooved drill rod as set forth in any one of claims 1 to 4, wherein: the cross section of the central water channel is circular, and the cross section of the auxiliary water channel is sector-ring-shaped.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110331093.6A CN113073943A (en) | 2021-03-29 | 2021-03-29 | Special-shaped multi-edge grooved drill rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110331093.6A CN113073943A (en) | 2021-03-29 | 2021-03-29 | Special-shaped multi-edge grooved drill rod |
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| CN113073943A true CN113073943A (en) | 2021-07-06 |
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| CN202110331093.6A Pending CN113073943A (en) | 2021-03-29 | 2021-03-29 | Special-shaped multi-edge grooved drill rod |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4027414C1 (en) * | 1990-08-30 | 1992-02-13 | Komotzki, Michael, 4708 Kamen, De | Tubular rock bore drill stem - has concentric channels for fluids and has spring-loaded control valves |
| CN101566049A (en) * | 2009-05-21 | 2009-10-28 | 河南理工大学 | Irregularly shaped multi-land notch groove drill rod |
| CN205677544U (en) * | 2016-06-07 | 2016-11-09 | 鹤壁中泰矿业有限公司 | A kind of anti-backwater drilling rod |
| CN106968616A (en) * | 2017-05-29 | 2017-07-21 | 盐城市锦瑞石油机械有限公司 | A kind of anti-blocking drilling rod |
| CN107917249A (en) * | 2017-09-28 | 2018-04-17 | 温州诚博阀门有限公司 | A kind of double check valve |
| CN211422544U (en) * | 2019-12-09 | 2020-09-04 | 中国矿业大学(北京) | Multi-edge double-channel multi-stage pushing deslagging drill rod |
| CN212454358U (en) * | 2020-05-31 | 2021-02-02 | 中石化石油工程技术服务有限公司 | Cement slurry control tool for reverse circulation well cementation |
| CN112502637A (en) * | 2020-12-17 | 2021-03-16 | 山东源运通矿山装备科技有限公司 | Triangular arc special-shaped drill rod |
| CN215595502U (en) * | 2021-03-29 | 2022-01-21 | 山东源运通矿山装备科技有限公司 | Special-shaped multi-edge grooved drill rod |
-
2021
- 2021-03-29 CN CN202110331093.6A patent/CN113073943A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4027414C1 (en) * | 1990-08-30 | 1992-02-13 | Komotzki, Michael, 4708 Kamen, De | Tubular rock bore drill stem - has concentric channels for fluids and has spring-loaded control valves |
| CN101566049A (en) * | 2009-05-21 | 2009-10-28 | 河南理工大学 | Irregularly shaped multi-land notch groove drill rod |
| CN205677544U (en) * | 2016-06-07 | 2016-11-09 | 鹤壁中泰矿业有限公司 | A kind of anti-backwater drilling rod |
| CN106968616A (en) * | 2017-05-29 | 2017-07-21 | 盐城市锦瑞石油机械有限公司 | A kind of anti-blocking drilling rod |
| CN107917249A (en) * | 2017-09-28 | 2018-04-17 | 温州诚博阀门有限公司 | A kind of double check valve |
| CN211422544U (en) * | 2019-12-09 | 2020-09-04 | 中国矿业大学(北京) | Multi-edge double-channel multi-stage pushing deslagging drill rod |
| CN212454358U (en) * | 2020-05-31 | 2021-02-02 | 中石化石油工程技术服务有限公司 | Cement slurry control tool for reverse circulation well cementation |
| CN112502637A (en) * | 2020-12-17 | 2021-03-16 | 山东源运通矿山装备科技有限公司 | Triangular arc special-shaped drill rod |
| CN215595502U (en) * | 2021-03-29 | 2022-01-21 | 山东源运通矿山装备科技有限公司 | Special-shaped multi-edge grooved drill rod |
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