CN221144304U - Post-drilling reamer with blade pin shaft for preventing falling - Google Patents
Post-drilling reamer with blade pin shaft for preventing falling Download PDFInfo
- Publication number
- CN221144304U CN221144304U CN202323115535.7U CN202323115535U CN221144304U CN 221144304 U CN221144304 U CN 221144304U CN 202323115535 U CN202323115535 U CN 202323115535U CN 221144304 U CN221144304 U CN 221144304U
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- blade
- fixedly connected
- post
- pin shaft
- shaft
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- 238000005553 drilling Methods 0.000 title claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 11
- 238000001125 extrusion Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 230000002265 prevention Effects 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model provides a post-drilling reamer with a blade pin shaft for preventing drop, which relates to the technical field of post-drilling reamers and comprises a drill outer tube, a blade and a pin shaft, wherein the inner wall of the drill outer tube is fixedly connected with two connecting seats, the end surface of one connecting seat is rotationally connected with a rotating shaft penetrating through the other connecting seat and positioned at the central line of the drill outer tube, one end surface of the connecting seat is provided with a turbine spring, one end of the turbine spring is fixedly connected with the shaft surface of the rotating shaft, the guide seat ensures that an insert block can only slide relative to a connecting shell, and the blade is pushed to be embedded into a blade back by utilizing a long spring, so that the blade can be prevented from shaking left and right in the vibration process, and the function of sharing the working load of the blade is realized, namely, the working load born by the pin shaft is reduced.
Description
Technical Field
The utility model relates to the technical field of post-drilling reamers, in particular to a post-drilling reamer with a blade pin roll capable of preventing a cutter pin roll from falling.
Background
The post-drilling reamer is characterized in that after the well hole is drilled, a reaming tool is put into the reamer to enlarge the drilled well hole, the aperture of the drilled well hole is enlarged, the annular space is enlarged, the well cementation quality is improved, and favorable conditions are provided for subsequent well completion and oil extraction operations, such as providing larger space for gravel filling well completion, and the like.
Therefore, the post-drilling reamer (with the publication number of CN 214403439U) for preventing the blade pin shaft from falling off in the prior art is characterized in that a first shaft hole for installing the pin shaft is formed in a body, one end of the first shaft hole is provided with a limiting part consisting of a limiting hole formed in the first shaft hole, a first limiting block, a baffle plate and a screw, the baffle plate consists of a main body and a wing part, the wing part is convex, the limiting part is a groove provided with a groove notch, three pin shafts are installed in the shaft hole on the body during assembly, three protrusions of the detachable baffle plate are aligned with the groove notch on the body by using a screwdriver and are placed in the groove notch on the body, the detachable baffle plate is rotated by a certain angle in any direction after the assembly, the detachable baffle plate is clamped in the groove of the body, the inner hexagonal screw is screwed in the groove notch, when vibration is generated in the construction process, the detachable baffle plate can randomly and freely rotate in the groove of the body, and after the rotation to a certain position, the protrusion can be limited by the inner hexagonal screw, the continuous rotation is avoided, so that the detachable baffle plate is prevented from rotating out of the groove, and the pin shaft cannot fall off from any direction from the two ends.
However, in the vibration process of the equipment, besides the vibration of the baffle, the baffle can be continuously swung in the groove of the body to intensify the vibration of the baffle, namely, the baffle is subjected to the impact of double vibration, so that the joint of the bulge of the baffle and the baffle can generate larger load, cracks are easy to generate, the bulge is separated from the baffle, the baffle is further caused to swing in the groove of the body, the pin shaft is lost to be fixed, and therefore, the inventor also provides the post-drilling reamer with the blade pin shaft and the pin shaft being better in fixed pin shaft effect.
Disclosure of utility model
The utility model aims to solve the problems in the prior art, and provides a post-drilling reamer with a blade pin roll capable of preventing a blade pin roll from falling.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a reamer after boring that blade round pin axle was prevented falling, includes drill bit outer tube, blade and round pin axle, two connecting seats of drill bit outer tube inner wall fixedly connected with, one of them connecting seat terminal surface rotation is connected with the pivot that runs through another connecting seat and the pivot is located drill bit outer tube central line position, one of them connecting seat terminal surface is provided with turbine spring, turbine spring's one end and pivot axial face fixed connection, the other end and connecting seat fixed surface connection, the connecting shell that is used for installing round pin axle and blade is inlayed fixedly connected with to drill bit outer tube inner wall, round pin axle runs through the connecting shell, pivot axial face fixedly connected with connecting block, the one end fixedly connected with short spring of connecting block, the one end fixedly connected with extrusion piece that is used for laminating round pin axle head of short spring.
In addition: the outer wall of the connecting shell is positioned at the head part of the pin shaft and is provided with a ring-mounted bulge, and the extrusion block is in sliding connection with the inner wall of the ring-mounted bulge.
In addition: the drill bit outer tube inner wall is located the position fixedly connected with cover of connecting the shell and establishes in epaxial guide holder, the guide holder links to each other with the connecting shell outer wall, peg graft on the guide holder have the through connection shell and with the insert of blade back of the body grafting.
In addition: the end face of the insertion block is fixedly connected with a long spring sleeved on the guide seat.
In addition: the drill bit outer tube inner wall fixedly connected with connecting plate, connecting plate one end rotates to be connected with the cover and establishes at epaxial rolling wheel, the winding has the haulage rope with blade quantity, position one-to-one on the rolling wheel, the one end of haulage rope runs through the guide holder and with insert terminal surface fixed connection.
In addition: the edge position of the other end of the connecting plate is rotationally connected with a large gear, a connecting gear meshed with the large gear and a toothed ring fixed on the end face of the winding wheel and meshed with the connecting gear.
In addition: and the end face of the large gear and the rotating shaft are fixedly connected with chain wheels, and the two chain wheels are driven by a chain.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. According to the utility model, under the elastic action of the turbine spring, the rotating shaft is forced to rotate until the connecting block rotates until the extruding block is positioned on the surface of the connecting shell, the extruding block is forced to press the head of the pin shaft by the elastic force of the short spring, when the outer tube of the drill bit vibrates in working, the pin shaft and the short spring vibrate along with the vibration of the blade, but the elastic compression state of the short spring ensures that the short spring stretches elastically in the vibration process, so that the pin shaft can be forced to be attached to the connecting shell, and the pin shaft is prevented from shaking relative to the connecting shell.
2. According to the utility model, the guide seat ensures that the insert block can only slide relative to the connecting shell, and the long spring is utilized to push the blade to be embedded into the back of the blade, so that the blade can be prevented from shaking left and right in the vibration process, the function of sharing the working load of the blade is achieved, and the working load born by the pin shaft is reduced.
Drawings
FIG. 1 is a schematic perspective view of a post-drilling reamer with a blade pin for preventing the blade pin from falling;
FIG. 2 is a schematic side sectional view of FIG. 1;
FIG. 3 is a schematic cross-sectional view of FIG. 2;
Fig. 4 is a schematic elevation view of the elevation structure of fig. 1.
Legend description: 1. a drill outer tube; 2. a blade; 3. a connection housing; 4. a pin shaft; 5. a rotating shaft; 6. a connecting block; 7. a guide seat; 8. a long spring; 9. a turbine spring; 10. a connecting plate; 11. a winding wheel; 12. a traction rope; 13. inserting blocks; 14. extruding a block; 15. a connecting seat; 16. a large gear; 17. a toothed ring; 18. a connecting gear; 19. a sprocket; 20. a short spring.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Embodiment 1, as shown in fig. 1-4, a drill reamer with a blade pin shaft for preventing from falling off, which comprises a drill outer tube 1, a blade 2 and a pin shaft 4, wherein two connecting seats 15 are fixedly connected to the inner wall of the drill outer tube 1, a rotating shaft 5 penetrating through the other connecting seat 15 is rotatably connected to the end face of one connecting seat 15, the rotating shaft 5 is positioned at the center line position of the drill outer tube 1, a turbine spring 9 is arranged on the end face of one connecting seat 15, one end of the turbine spring 9 is fixedly connected with the shaft face of the rotating shaft 5, the other end is fixedly connected with the surface of the connecting seat 15, a connecting shell 3 for installing the pin shaft 4 and the blade 2 is fixedly connected to the inner wall of the drill outer tube 1, the pin shaft 4 penetrates through the connecting shell 3, a connecting block 6 is fixedly connected to the shaft face of the rotating shaft 5, a short spring 20 is fixedly connected to one end of the connecting block 6, and a squeezing block 14 for being attached to the head of the pin shaft 4 is fixedly connected to one end of the short spring 20.
The position installation of the rotating shaft 5 is fixed by utilizing the two connecting seats 15, the rotating shaft 5 is forced to rotate until the connecting block 6 rotates until the extruding block 14 is positioned on the surface of the connecting shell 3 under the elastic action of the turbine spring 9, the extruding block 14 is forced to press the head of the pin shaft 4 by utilizing the elastic force of the short spring 20, so that the pin shaft 4 is tightly attached to the outer wall of the connecting shell 3, the connecting shell 3 is prevented from falling off, and when the drill bit outer tube 1 vibrates in an operating mode, the pin shaft 4 and the short spring 20 vibrate along with the vibration of the blade 2, but the elastic compression state of the short spring 20 ensures that the short spring 20 stretches elastically in the vibration process, the pin shaft 4 can still be forced to be attached to the connecting shell 3, and the pin shaft 4 is prevented from shaking relative to the connecting shell 3.
As shown in fig. 2: the outer wall of the connecting shell 3 is arranged at the head part of the pin shaft 4 in an annular bulge mode, and the extrusion block 14 is in sliding connection with the inner wall of the annular bulge.
The annular bulge ensures that the extrusion block 14 cannot shake to a position separated from the head of the pin shaft 4 due to vibration when being attached to the head of the pin shaft 4.
As shown in fig. 3: the inner wall of the drill bit outer tube 1 is fixedly connected with a guide seat 7 sleeved on the rotating shaft 5 at the position of the connecting shell 3, the guide seat 7 is connected with the outer wall of the connecting shell 3, and an inserting block 13 penetrating through the connecting shell 3 and inserted with the back of the blade 2 is inserted on the guide seat 7.
The end face of the insertion block 13 is fixedly connected with a long spring 8 sleeved on the guide seat 7.
The guide seat 7 ensures that the insert 13 can only slide relative to the connecting shell 3, and the long spring 8 is utilized to push the blade 2 to be embedded into the back of the blade 2, so that the blade 2 can be prevented from shaking left and right in the vibration process, the function of sharing the working load of the blade 2 is achieved, and the working load born by the pin shaft 4 is reduced.
As shown in fig. 3 and 4: the inner wall of the drill bit outer tube 1 is fixedly connected with a connecting plate 10, one end of the connecting plate 10 is rotationally connected with a winding wheel 11 sleeved on the rotating shaft 5, traction ropes 12 which are in one-to-one correspondence with the number and the positions of the blades 2 are wound on the winding wheel 11, and one end of each traction rope 12 penetrates through the guide seat 7 and is fixedly connected with the end face of the insertion block 13.
The other end edge of the connecting plate 10 is rotatably connected with a large gear 16, a connecting gear 18 meshed with the large gear 16 and a toothed ring 17 fixed on the end face of the winding wheel 11 and meshed with the connecting gear 18.
The end face of the large gear 16 and the rotating shaft 5 are fixedly connected with chain wheels 19, and the two chain wheels 19 are driven by a chain.
In the scheme, the method comprises the following steps:
When the pin shaft 4 is dismounted, the rotating shaft 5 is rotated to force the turbine spring 9 to be wound, and the connecting block 6 drives the extrusion block 14 to be separated from the surface of the connecting shell 3, and simultaneously drives the chain wheel 19 on the surface of the extrusion block to rotate, so that the other chain wheel 19 drives the large gear 16 to rotate, the connecting gear 18 drives the toothed ring 17 to rotate, the toothed ring 17 drives the winding wheel 11 to rotate, the winding rope 12 is wound, and the pulling rope 12 is utilized to drag the inserting block 13 to move towards the direction of the rotating shaft 5 to be close, so that the inserting block 13 is separated from the blade 2, and the blade 2 and the pin shaft 4 are convenient for personnel to dismount.
In addition, the circumference of the large gear 16 in the scheme is at least twice the circumference of the connecting gear 18 and the toothed ring 17, when the rotation of the rotating shaft 5 is ensured to be in a short radian, the sprocket 19 drives the large gear 16 to rotate in the same radian, but the arc length of the rotation radian of the large gear 16 can drive the connecting gear 18 and the toothed ring 17 to rotate for a plurality of circles, namely the enough winding length of the traction rope 12 is ensured, and the insert 13 is moved to be separated from the back of the blade 2.
The working principle is that when the device is assembled, the rotating shaft 5 is rotated to force the turbine spring 9 to roll, the connecting block 6 drives the extrusion block 14 to be separated from the surface of the connecting shell 3, meanwhile, the rotating shaft 5 drives the chain wheel 19 on the surface of the connecting shell to rotate, the other chain wheel 19 drives the large gear 16 to rotate, the connecting gear 18 drives the toothed ring 17 to rotate, the toothed ring 17 drives the rolling wheel 11 to rotate, the traction rope 12 is rolled up, the inserting block 13 is pulled to move towards the direction of the rotating shaft 5 by the traction rope 12, the inserting block 13 is separated from the blade 2, the installation is realized by the way that the pin shaft 4 penetrates through the connecting shell 2 and the blade 2, the rotating shaft 5 is loosened, the turbine spring 9 is reset to force the rotating shaft 5 to rotate until the connecting block 6 is rotated until the extrusion block 14 is positioned on the surface of the connecting shell 3, and the head of the pin shaft 4 is forced by the elastic force of the short spring 20, the pin shaft 4 is tightly attached to the outer wall of the connecting shell 3, the connecting shell 3 is prevented from falling off, in addition, the chain wheel 19 on the rotating shaft 5 is reversed, the rope 12 is realized, and the back of the inserting block 13 is realized under the elastic reset action of the long spring 8.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (7)
1. The utility model provides a reamer after boring that blade round pin axle prevented falling, includes drill bit outer tube (1), blade (2) and round pin axle (4), its characterized in that: the novel drill bit is characterized in that two connecting seats (15) are fixedly connected to the inner wall of the outer drill bit tube (1), one connecting seat (15) is rotationally connected with a rotating shaft (5) penetrating through the other connecting seat (15), the rotating shaft (5) is located at the center line position of the outer drill bit tube (1), one connecting seat (15) is provided with a turbine spring (9) on the end face, one end of the turbine spring (9) is fixedly connected with the shaft surface of the rotating shaft (5), the other end of the turbine spring is fixedly connected with the surface of the connecting seat (15), the inner wall of the outer drill bit tube (1) is fixedly connected with a connecting shell (3) for installing a pin shaft (4) and a blade (2), the pin shaft (4) penetrates through the connecting shell (3), the shaft surface of the rotating shaft (5) is fixedly connected with a connecting block (6), one end of the connecting block (6) is fixedly connected with a short spring (20), and one end of the short spring (20) is fixedly connected with an extrusion block (14) for attaching the head of the pin shaft (4).
2. The post-drilling reamer of blade pin roll drop prevention of claim 1, wherein: the outer wall of the connecting shell (3) is positioned at the head part of the pin shaft (4) and is arranged as a ring-mounted bulge, and the extrusion block (14) is in sliding connection with the inner wall of the ring-mounted bulge.
3. The post-drilling reamer of blade pin roll drop prevention of claim 1, wherein: the drill bit outer tube (1) inner wall is located the position fixedly connected with cover of coupling shell (3) establishes guide holder (7) on pivot (5), guide holder (7) link to each other with coupling shell (3) outer wall, peg graft on guide holder (7) have through coupling shell (3) to with insert piece (13) of blade (2) back of the knife grafting.
4. A post-drilling reamer for preventing blade pin roll drop as defined in claim 3, wherein: the end face of the insertion block (13) is fixedly connected with a long spring (8) sleeved on the guide seat (7).
5. A post-drilling reamer for preventing blade pin roll drop as defined in claim 3, wherein: the drill bit outer tube (1) inner wall fixedly connected with connecting plate (10), connecting plate (10) one end rotates and is connected with cover and establishes rolling wheel (11) on pivot (5), the winding has haulage rope (12) with blade (2) quantity, position one-to-one on rolling wheel (11), the one end of haulage rope (12) runs through guide holder (7) to with insert block (13) terminal surface fixed connection.
6. The post-drilling reamer of blade pin roll drop prevention of claim 5, wherein: the edge of the other end of the connecting plate (10) is rotationally connected with a large gear (16), a connecting gear (18) meshed with the large gear (16) and a toothed ring (17) fixed on the end face of the winding wheel (11) and meshed with the connecting gear (18).
7. The post-drilling reamer of claim 6, wherein the blade pin is anti-drop: the end face of the large gear (16) and the rotating shaft (5) are fixedly connected with chain wheels (19), and the two chain wheels (19) are driven by a chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323115535.7U CN221144304U (en) | 2023-11-20 | 2023-11-20 | Post-drilling reamer with blade pin shaft for preventing falling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323115535.7U CN221144304U (en) | 2023-11-20 | 2023-11-20 | Post-drilling reamer with blade pin shaft for preventing falling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221144304U true CN221144304U (en) | 2024-06-14 |
Family
ID=91418237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323115535.7U Active CN221144304U (en) | 2023-11-20 | 2023-11-20 | Post-drilling reamer with blade pin shaft for preventing falling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221144304U (en) |
-
2023
- 2023-11-20 CN CN202323115535.7U patent/CN221144304U/en active Active
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| GR01 | Patent grant |