CN220415264U - Down-hole reaming bit - Google Patents
Down-hole reaming bit Download PDFInfo
- Publication number
- CN220415264U CN220415264U CN202321934810.5U CN202321934810U CN220415264U CN 220415264 U CN220415264 U CN 220415264U CN 202321934810 U CN202321934810 U CN 202321934810U CN 220415264 U CN220415264 U CN 220415264U
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- wall surface
- rod
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- upper wall
- cylinder
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000005553 drilling Methods 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses an underground reaming bit which comprises a third rod body, wherein a second cylinder body is arranged on the lower wall surface of the third rod body, three third sliding grooves are formed in the side wall surface of the third rod body, a bit expansion mechanism is arranged in the three third sliding grooves, a second cylinder body is arranged on the lower wall surface of the third rod body, a bit expansion driving mechanism is arranged in the second cylinder body, a first cylinder body is arranged on the upper wall surface of the third rod body, a bit connecting mechanism is arranged in the first cylinder body, a bit mechanism is arranged in the bit connecting mechanism, and a bit can be conveniently and quickly installed and replaced through the bit connecting mechanism and the bit mechanism in the using process.
Description
Technical Field
The utility model relates to the technical field of drilling equipment, in particular to an underground reaming bit.
Background
With the development of new energy sources, especially shallow geothermal energy, the drilling demands of geothermal exploration wells are increasing. In order to meet the requirements of the geothermal exploration well on coring and large caliber, coring and reaming operations are often required in drilling construction. When the existing equipment is used for geothermal exploration well drilling construction, coring construction is needed to be completed firstly, then a drilling tool is needed to be replaced to conduct reaming operation, so that the use of a reaming bit is needed, various reaming bits exist in the prior art, such as a reaming bit disclosed in novel China utility model with a patent number of CN202121469186.7, the reaming bit comprises a reaming bit base and a cutting column, a cutting unit is arranged at the front end of the cutting column, and the cutting unit comprises a composite sheet positioned at the front end of the cutting column.
The drilling tool for core drilling and reaming simultaneously is realized in the use process of the reaming bit; the reaming bit is suitable for being detachably assembled with various drilling rods and drilling tools, and is more convenient to replace and maintain, but when the equipment performs reaming operation, the size of the reaming hole is fixed, and the use of the bit is inconvenient under the condition that the reaming size is required to be adjusted according to actual conditions, so that the use of the underground reaming bit is required.
Disclosure of Invention
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an under-hole reaming drill bit, includes the third body of rod, the second barrel is installed to the wall under the third body of rod, three third spout and three third spout internally mounted have the drill bit to expand the mechanism has been seted up to the side wall of the third body of rod, the second barrel is installed to the wall under the third body of rod, second barrel internally mounted has the drill bit to expand actuating mechanism, first barrel is installed to the wall on the third body of rod, first barrel internally mounted has drill bit coupling mechanism, drill bit coupling mechanism internally mounted has drill bit mechanism.
Preferably, the drill bit expansion driving mechanism comprises a motor, the motor is mounted on the lower wall surface of the inner portion of the second cylinder, a pair of second sliding grooves are formed in the second cylinder, second sliding blocks are mounted in the second sliding grooves, a pair of first circular plate bodies are mounted on the opposite side wall surfaces of the second sliding blocks, a T-shaped sleeve is inserted into the lower wall surface of the first circular plate body, a fourth rod body is inserted into the T-shaped sleeve, one end of the fourth rod body is mounted on the upper wall surface of the shrinking end of the motor, a first bearing is sleeved at the other end of the fourth rod body, and the first bearing is inserted onto the upper wall surface of the inner portion of the second cylinder.
Preferably, the drill bit expansion mechanism comprises a third rectangular rod body, three third rectangular rod bodies are mounted on the upper wall surface of the first circular plate body, three first rectangular through holes are formed in the upper wall surface of the second cylinder body, the three third rectangular rod bodies are respectively located inside the three first rectangular through holes, one ends of the three second cylinder bodies are respectively mounted inside three third sliding grooves, a second annular plate body is sleeved on the lower wall surface, close to the first cylinder body, of the outer wall surface of the third rod body, the upper wall surfaces of the three third rectangular rod bodies are hinged with second rectangular rod bodies, the upper wall surfaces of the three second rectangular rod bodies are hinged with first rectangular rod bodies, the upper wall surfaces of the three first rectangular rod bodies are hinged with the lower wall surfaces of the second annular plate body respectively, first semicircular steel blocks are hinged at the positions, where the three second rectangular rod bodies are connected with the three first rectangular rod bodies, and groove bodies are formed in the outer wall surfaces of the three first semicircular steel blocks.
Preferably, the drill bit connecting mechanism comprises a first cylinder body, a convex groove is formed in the first cylinder body, two pairs of second rectangular through holes are formed in the upper wall surface of the first cylinder body, a first rotating shaft is arranged on the lower wall surface of the first cylinder body, a telescopic rod is arranged on the upper wall surface of the first rotating shaft, and a second spring is arranged on the upper wall surface and the lower wall surface of the telescopic rod.
Preferably, the drill bit mechanism comprises a drill bit, the first body of rod is installed to the drill bit lower wall, first body of rod outer wall cover is equipped with first annular plate body, a pair of first circular through-hole has been seted up to first annular plate body upper wall, a pair of first circular recess has been seted up to first barrel upper wall, two pairs of second circular recesses and two pairs of second circular recess inside all install first spring, two pairs of first spout has been seted up on the inside opposite side wall of second circular recess, a pair of first spout inside all installs first slider, a pair of second body of rod is installed on the opposite side wall of first slider, two pairs of third rectangular grooves have been seted up on the first body of rod is close to the side wall of first annular plate body lower extreme, install two pairs of arc fixed blocks on the side wall that the first body of rod is close to the lower wall.
Advantageous effects
The utility model provides an underground reaming bit, which can be conveniently installed and replaced through a bit connecting mechanism and a bit mechanism in the using process, and the size of the bit expansion can be adjusted through a bit expansion mechanism and a bit expansion driving mechanism at the moment, so that the size of the expansion can be adjusted according to actual conditions.
Drawings
Fig. 1 is a schematic view of a drill bit structure of an under-reaming bit according to the present utility model.
Fig. 2 is a schematic view of a telescopic rod structure of an under-reaming bit according to the present utility model.
Fig. 3 is a schematic view of a first barrel structure of an under-reaming bit in accordance with the present utility model.
Fig. 4 is a schematic view of a second barrel structure of an under-reaming bit in accordance with the present utility model.
In the figure: 1. a drill bit; 2. a first rod body; 3. a first annular plate body; 4. an arc-shaped fixed block; 5. a second rod body; 6. a first spring; 7. a first cylinder; 8. a telescopic rod; 9. a first rotating shaft; 10. a second spring; 11. a second annular plate body; 12. a third rod body; 13. a first rectangular rod body; 14. a second rectangular rod body; 15. a third rectangular rod body; 16. a first semicircular steel block; 17. a second cylinder; 18. a motor; 19. a fourth rod body; 20. a T-shaped sleeve; 21. a first circular plate body; 22. a second slider; 23. a first slider.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an under-hole reaming drill bit, includes the third body of rod 12, the second barrel 17 is installed to the lower wall of the third body of rod 12, three third spouts have been seted up to the side wall of the third body of rod 12 and three third spout internally mounted have drill bit expansion mechanism, the second barrel 17 is installed to the lower wall of the third body of rod 12, second barrel 17 internally mounted has drill bit expansion actuating mechanism, first barrel 7 is installed to the upper wall of the third body of rod 12, first barrel 7 internally mounted has drill bit connecting mechanism, drill bit connecting mechanism internally mounted has drill bit mechanism.
When carrying out borehole reaming operation in the pit, this moment is connected with the one end and the external equipment of second barrel 17, this moment is with the inside back of the spout of second barrel 17 flexible to drilling, this moment drives the inside motor 18 of second barrel 17, drive the rotation of fourth body of rod 19 through the rotation of motor 18 drive end, because the screw groove has all been seted up to fourth body of rod 19 outer wall surface and T shape sleeve 20 internal wall surface, drive T shape sleeve 20 through the rotation of fourth body of rod 19 and reciprocate this moment, this moment is through the assistance of a pair of second slider 22 in the spout inside, thereby accomplish the upper and lower removal of third rectangular rod body 15, this moment, third rectangular rod body 15 is through the spout inside at the outer wall surface of third body of rod 12 moves, thereby through articulated first rectangular rod body of rod 13 and the inside of second rectangular rod body 14 linkage, thereby prop up first semicircular steel piece 16, thereby reach the effect of drill bit area diffusion, this moment, insert first body of rod 2 on first barrel 7 upper wall surface this moment, through the inside first pivot 9 and the inside rectangular expansion rod 8 of first barrel 7, this moment is through the inside first annular bolt 9 and the inside annular bolt 8, thereby can be fixed through the rotatory annular bolt 3 of first body of rod 3 and annular bolt 5 inside annular bolt 5, this moment can be fixed through the rotatory annular bolt 3, this moment can be fixed body of rod body 3 and the inside annular bolt 2 through the inside annular bolt 3, this moment is fixed through the first annular bolt 3, this moment is fixed through the inside annular bolt 3, can be fixed annular bolt 3, this second annular bolt 3 is fixed through the inside annular bolt 3, this annular bolt is fixed inside the annular bolt, can is fixed through the annular hole is 5.
The embodiment further provides that the drill bit expansion driving mechanism includes a motor 18, the motor 18 is mounted on a lower wall surface of an inner portion of the second cylinder 17, a pair of second sliding grooves are formed in the second cylinder 17, second sliding blocks 22 are mounted in the second sliding grooves, a pair of first circular plate bodies 21 are mounted on opposite side wall surfaces of the second sliding blocks 22, a T-shaped sleeve 20 is inserted into the lower wall surface of the first circular plate bodies 21, a fourth rod body 19 is inserted into the T-shaped sleeve 20, one end of the fourth rod body 19 is mounted on an upper wall surface of a shrinking end of the motor 18, and a first bearing is sleeved at the other end of the fourth rod body 19 and is inserted into an upper wall surface of the inner portion of the second cylinder 17.
The motor 18 inside the second cylinder 17 is driven, the fourth rod 19 is driven to rotate through the rotation of the driving end of the motor 18, and the outer wall surface of the fourth rod 19 and the inner wall surface of the T-shaped sleeve 20 are provided with thread grooves, so that the T-shaped sleeve 20 is driven to move up and down through the rotation of the fourth rod 19, and the up and down movement of the third rectangular rod 15 is completed through the assistance of the pair of second sliding blocks 22 in the sliding groove.
The drill bit expansion mechanism further comprises a third rectangular rod body 15, three third rectangular rod bodies 15 are mounted on the upper wall surface of the first circular plate body 21, three first rectangular through holes are formed in the upper wall surface of the second cylinder body 17, the three third rectangular rod bodies 15 are respectively located inside the three first rectangular through holes, one ends of the three second cylinder bodies 17 are respectively mounted inside three third sliding grooves, a second annular plate body 11 is sleeved on the lower wall surface, close to the first cylinder body 7, of the outer wall surface of the third rod body 12, the upper wall surfaces of the three third rectangular rod bodies 15 are hinged with second rectangular rod bodies 14, the upper wall surfaces of the three second rectangular rod bodies 14 are hinged with first rectangular rod bodies 13, the upper wall surfaces of the three first rectangular rod bodies 13 are respectively hinged with the lower wall surfaces of the second annular plate body 11, the positions, where the three second rectangular rod bodies 14 are connected with the three first rectangular rod bodies 13 are respectively hinged with first semicircular steel blocks 16, and the three semicircular steel blocks 16 are respectively provided with grooves.
The third rectangular rod body 15 moves inside the sliding groove on the outer wall surface of the third rod body 12, so that the first semicircular steel block 16 is supported by the linkage of the first rectangular rod body 13 and the second rectangular rod body 14 which are hinged, and the effect of spreading the area of the drill bit is achieved.
The embodiment is further configured in that the drill bit connecting mechanism comprises a first barrel 7, a convex groove is formed in the first barrel 7, two pairs of second rectangular through holes are formed in the upper wall surface of the first barrel 7, a first rotating shaft 9 is installed on the lower wall surface of the inner portion of the first barrel 7, a telescopic rod 8 is installed on the upper wall surface of the first rotating shaft 9, and a second spring 10 is installed on the upper wall surface and the lower wall surface of the inner portion of the telescopic rod 8.
The embodiment is further configured that the drill bit mechanism comprises a drill bit 1, a first rod body 2 is installed on the lower wall surface of the drill bit 1, a first annular plate body 3 is sleeved on the outer wall surface of the first rod body 2, a pair of first circular through holes are formed in the upper wall surface of the first annular plate body 3, a pair of first circular grooves are formed in the upper wall surface of the first cylinder 7, two pairs of second circular grooves are formed in the side wall surface of the first annular plate body 3, first springs 6 are installed in the two pairs of second circular grooves, first sliding grooves are formed in the two pairs of opposite side wall surfaces of the second circular grooves, first sliding blocks 23 are installed in the two pairs of first sliding grooves, second rod bodies 5 are installed on the opposite side wall surfaces of the first sliding blocks 23, two pairs of third rectangular grooves are formed in the side wall surfaces, close to the lower end of the first rod body 2, and two pairs of arc-shaped fixing blocks 4 are installed on the side wall surfaces, close to the lower wall surfaces, of the first rod body 2.
The first rod body 2 is inserted on the upper wall surface of the first barrel 7, at this time, the rectangular through hole on the upper wall surface of the first barrel 7 and the first rotating shaft 9 and the telescopic rod 8 in the first barrel 7 are used for assisting, so that the first rod body 2 is fixed in the first barrel 7 through the arc-shaped fixing block 4, the second rod body 5 on the side wall surface of the first annular plate body 3 can be stretched out, the first annular plate body 3 is used for assisting in rotating, so that the first rod body 2 is installed conveniently, at this time, the second rod body 5 can be loosened, the groove of the first annular plate body 3 can be retracted through the assistance of the first spring 6, at this time, the first rod body 2 and the upper wall surface of the first barrel 7 can be fixed through the fastening bolts, at this time, the rotary equipment can be driven, and the reaming operation can be performed through the rotation of the drill bit 1 and the rotation of the first semicircular steel block 16.
The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.
Examples: when carrying out borehole reaming operation in the pit, this moment is connected with the one end and the external equipment of second barrel 17, this moment is with the inside back of the spout of second barrel 17 flexible to drilling, this moment drives the inside motor 18 of second barrel 17, drive the rotation of fourth body of rod 19 through the rotation of motor 18 drive end, because the screw groove has all been seted up to fourth body of rod 19 outer wall surface and T shape sleeve 20 internal wall surface, drive T shape sleeve 20 through the rotation of fourth body of rod 19 and reciprocate this moment, this moment is through the assistance of a pair of second slider 22 in the spout inside, thereby accomplish the upper and lower removal of third rectangular rod body 15, this moment, third rectangular rod body 15 is through the spout inside at the outer wall surface of third body of rod 12 moves, thereby through articulated first rectangular rod body of rod 13 and the inside of second rectangular rod body 14 linkage, thereby prop up first semicircular steel piece 16, thereby reach the effect of drill bit area diffusion, this moment, insert first body of rod 2 on first barrel 7 upper wall surface this moment, through the inside first pivot 9 and the inside rectangular expansion rod 8 of first barrel 7, this moment is through the inside first annular bolt 9 and the inside annular bolt 8, thereby can be fixed through the rotatory annular bolt 3 of first body of rod 3 and annular bolt 5 inside annular bolt 5, this moment can be fixed through the rotatory annular bolt 3, this moment can be fixed body of rod body 3 and the inside annular bolt 2 through the inside annular bolt 3, this moment is fixed through the first annular bolt 3, this moment is fixed through the inside annular bolt 3, can be fixed annular bolt 3, this second annular bolt 3 is fixed through the inside annular bolt 3, this annular bolt is fixed inside the annular bolt, can is fixed through the annular hole is 5.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Claims (5)
1. The utility model provides an under-hole reaming drill bit, includes third body of rod (12), its characterized in that, second barrel (17) are installed to third body of rod (12) lower wall, three third spout and three third spout internally mounted have the drill bit to expand the mechanism, second barrel (17) are installed to third body of rod (12) lower wall, second barrel (17) internally mounted have the drill bit to expand actuating mechanism, first barrel (7) are installed to third body of rod (12) upper wall, first barrel (7) internally mounted have drill bit coupling mechanism, drill bit coupling mechanism internally mounted has drill bit mechanism.
2. The downhole reaming bit according to claim 1, wherein the bit expansion driving mechanism comprises a motor (18), the motor (18) is mounted on the lower wall surface inside the second cylinder (17), a pair of second sliding grooves are formed in the second cylinder (17), second sliding blocks (22) are mounted inside the pair of second sliding grooves, a first circular plate body (21) is mounted on opposite side wall surfaces of the pair of second sliding blocks (22), a T-shaped sleeve (20) is inserted into the lower wall surface of the first circular plate body (21), a fourth rod body (19) is inserted into the T-shaped sleeve (20), one end of the fourth rod body (19) is mounted on the upper wall surface of the shrinking end of the motor (18), and a first bearing is sleeved at the other end of the fourth rod body (19) and is inserted into the upper wall surface inside the second cylinder (17).
3. The downhole reaming bit according to claim 1, wherein the bit expansion mechanism comprises a third rectangular rod body (15), three third rectangular rod bodies (15) are installed on the upper wall surface of the first circular plate body (21), three first rectangular through holes are formed in the upper wall surface of the second cylinder body (17), the three third rectangular rod bodies (15) are respectively located inside the three first rectangular through holes, one ends of the three second cylinder bodies (17) are respectively installed inside three third sliding grooves, a second circular plate body (11) is sleeved on the lower wall surface, close to the first cylinder body (7), of the outer wall surface of the third rod body (12), second rectangular rod bodies (14) are hinged to the upper wall surfaces of the three third rectangular rod bodies (15), first rectangular rod bodies (13) are hinged to the upper wall surfaces of the three second rectangular rod bodies (14), the upper wall surfaces of the three first rectangular rod bodies (13) are respectively hinged to the lower wall surfaces of the second circular plate body (11), and the three rectangular rod bodies (14) are respectively hinged to the upper wall surfaces of the third rectangular rod bodies (16), and the third rectangular rod bodies (14) are respectively connected with the upper semicircular groove (16) of the third rectangular rod bodies.
4. The underground reaming bit according to claim 1, characterized in that the bit connecting mechanism comprises a first cylinder (7), a convex groove is formed in the first cylinder (7), two pairs of second rectangular through holes are formed in the upper wall surface of the first cylinder (7), a first rotating shaft (9) is arranged on the lower wall surface of the inner part of the first cylinder (7), a telescopic rod (8) is arranged on the upper wall surface of the first rotating shaft (9), and a second spring (10) is arranged on the upper wall surface and the lower wall surface of the inner part of the telescopic rod (8).
5. The underground reaming drill bit according to claim 1, characterized in that the drill bit mechanism comprises a drill bit (1), a first rod body (2) is installed on the lower wall surface of the drill bit (1), a first annular plate body (3) is sleeved on the outer wall surface of the first rod body (2), a pair of first circular through holes are formed in the upper wall surface of the first annular plate body (3), a pair of first circular grooves are formed in the upper wall surface of the first cylinder body (7), two pairs of second circular grooves are formed in the side wall surface of the first annular plate body (3), first springs (6) are installed in the two pairs of second circular grooves, first sliding grooves are formed in the two pairs of second circular grooves, first sliding blocks (23) are installed in the two pairs of first sliding grooves, second rod bodies (5) are installed in the two pairs of first sliding blocks, two pairs of rectangular grooves are formed in the side wall surfaces of the lower end of the first rod body (2) close to the first annular plate body (3), and two pairs of first sliding blocks (4) are installed on the two pairs of lower end side walls of the first rod body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321934810.5U CN220415264U (en) | 2023-07-21 | 2023-07-21 | Down-hole reaming bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321934810.5U CN220415264U (en) | 2023-07-21 | 2023-07-21 | Down-hole reaming bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220415264U true CN220415264U (en) | 2024-01-30 |
Family
ID=89642244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321934810.5U Active CN220415264U (en) | 2023-07-21 | 2023-07-21 | Down-hole reaming bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220415264U (en) |
-
2023
- 2023-07-21 CN CN202321934810.5U patent/CN220415264U/en active Active
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