CN213945976U - Handheld drill collar inner hole grinding device for grinding drill collar inner hole - Google Patents
Handheld drill collar inner hole grinding device for grinding drill collar inner hole Download PDFInfo
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- CN213945976U CN213945976U CN202022645443.XU CN202022645443U CN213945976U CN 213945976 U CN213945976 U CN 213945976U CN 202022645443 U CN202022645443 U CN 202022645443U CN 213945976 U CN213945976 U CN 213945976U
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Abstract
The utility model relates to a hand-held type drill collar inner hole grinding device for grinding drill collar inner holes, which comprises an electric hand drill, a grinding head group and a middle connecting component, wherein the middle connecting component comprises a positioning sleeve, a bearing seat, a deep groove ball bearing, a hole retainer ring, a connecting shaft, a sleeve, a shaft sleeve and a nylon sleeve; the locating sleeve left end adopts interference fit to be connected and fixes a position through first set screw with the bearing frame, and the bearing frame left end adopts interference fit to be connected and fix a position through second set screw with the sleeve pipe, installs deep groove ball bearing in bearing frame right-hand member hole, and the sleeve pipe left end adopts interference fit to be connected and fixes a position through third set screw with the axle sleeve, and axle sleeve left end hole adopts interference fit with the nylon cover to be connected, and the nylon cover adopts clearance fit with the connecting axle, the connecting axle with electric hand drill's rotor fixed connection to through deep groove ball bearing support, the grinding head group is connected through the screw thread with the connecting axle, can guarantee that near 300mm hole surface in drill collar export is smooth, burr-free.
Description
Technical Field
The utility model relates to a can guarantee near drill collar export 300mm hole surface smooth, the burr-free hand-held type drill collar hole grinding device that is used for drill collar hole grinding.
Background
In the existing deep hole equipment for drilling the inner hole of the oil drill collar, for example, the model number TS2130 deep hole equipment, the inner hole of the oil drill collar is mainly drilled, the length of the drilled hole is generally 9m-12m, when the hole is drilled to the position near an outlet, the surface of the inner hole is not smooth and has more burrs due to the long drill rod, the vibration of a drill bit and the like, and the quality of the surface of the inner hole near the outlet does not meet the technological requirements. It is necessary to design a device capable of ensuring that the surface of an inner hole of 300mm near an outlet of the drill collar is smooth and free of burrs.
Disclosure of Invention
In order to overcome the technical problem, the utility model provides a grinding is reliable, swift, the hand-held type drill collar hole grinding device who is used for drill collar hole grinding of being convenient for operation.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a hand-held type drill collar inner hole grinding device for grinding a drill collar inner hole comprises an electric hand drill, a middle connecting component connected with the electric hand drill and a grinding head group connected with the middle connecting component,
the electric hand drill and the middle connecting assembly are connected in an interference fit mode through a positioning sleeve and are positioned through a first positioning screw;
the middle connecting assembly comprises a positioning sleeve, a bearing seat, a deep groove ball bearing, a hole check ring, a connecting shaft, a sleeve, a shaft sleeve and a nylon sleeve; wherein, the position sleeve left end adopts interference fit to be connected and fixes a position through first set screw with the bearing frame, and the bearing frame left end adopts interference fit to be connected and fix a position through second set screw with the sleeve pipe, installs deep groove ball bearing in bearing frame right-hand member hole, and the sleeve pipe left end adopts interference fit to be connected and fixes a position through third set screw with the axle sleeve, and axle sleeve left end hole adopts interference fit to be connected with the nylon cover, and the nylon cover adopts clearance fit with the connecting axle, the connecting axle with electric hand drill's rotor fixed connection to through deep groove ball bearing supporting, the grinding head group as purchasing the piece is connected through the screw thread with the connecting axle.
The connecting shaft is sleeved with a sleeve, lubricating grease is filled in the sleeve, and the connecting shaft is also sleeved with a deep groove ball bearing and a nylon sleeve.
The electric hand drill is a handheld power device and directly drives the grinding head group to rotate through the connecting shaft.
The right end of the locating sleeve is connected with the electric hand drill in an interference fit mode and is located through a locating screw.
The utility model discloses following positive effect has:
the utility model discloses a change the bistrique and can grind different specification work piece holes, the hole surface is smooth after the grinding, no burr. The utility model discloses a hand-held type device, convenient to use is swift, has reduced operating personnel's intensity of labour.
Drawings
Fig. 1 is a front view of an assembly drawing of the present invention.
In the figure, the device comprises a nylon sleeve 1, a nylon sleeve 2, a shaft sleeve 3, a grinding head group 4, a connecting shaft 5, a sleeve 6, a bearing seat 7, a deep groove ball bearing (model 6200), a deep groove ball bearing 8, a hole retainer ring 9, a positioning sleeve 10, an electric hand drill 11, a first positioning screw (M5 x 12), a second positioning screw (M5 x 10), a second positioning screw 13 and a third positioning screw (M4 x 6).
Detailed Description
Referring to fig. 1, the device for grinding the inner hole of the drill collar comprises an electric hand drill 10, a middle connecting assembly and a grinding head group 3, wherein the electric hand drill 10 is a purchasing part and is connected with the middle connecting assembly through a positioning sleeve 9 in an interference fit mode, and the positioning sleeve 9 is positioned through a first positioning screw 11 (M5 multiplied by 12).
The middle connecting assembly comprises a positioning sleeve 9, a bearing seat 6, a deep groove ball bearing 7 (model 6200), a hole retainer ring 8, a connecting shaft 4, a sleeve 5, a shaft sleeve 2 and a nylon sleeve 1. 9 right-hand members of position sleeve adopt interference fit to be connected and fix a position through first set screw 11 with electric hand drill 10, 9 left ends of position sleeve adopt interference fit to be connected and fix a position through first set screw 11 with bearing frame 6, 6 left ends of bearing frame adopt interference fit to be connected and fix a position through second set screw 12 with sleeve pipe 5, 6 right-hand member hole installation deep groove ball bearing 7 of bearing frame, 5 left ends of sleeve pipe adopt interference fit to be connected and fix a position through third set screw 13 with axle sleeve 2, 2 left end holes of axle sleeve are connected with nylon cover 1 adoption interference fit, nylon cover 1 adopts clearance fit with connecting axle 4, connecting axle 4 with electric hand drill 10 is connected, and pass through deep groove ball bearing 7 supports.
The grinding head group 3 is a purchasing part and is connected with the connecting shaft 4 through threads.
A device for grinding an inner hole of a drill collar can ensure that a grinding head group has different rotating speeds by adjusting the rotating speed of an electric hand drill so as to meet the rotating speed requirement when the inner hole is ground.
The middle connecting assembly comprises a connecting shaft, the right end of the middle connecting assembly is directly connected with the electric hand drill 10 and supported by the deep groove ball bearing 7, the nylon sleeve 1 is fixedly arranged at the left end of the connecting shaft, and the connecting shaft 4 rotates under the support of the deep groove ball bearing 7 and the nylon sleeve 1 and drives the grinding head group 3 to rotate; the deep groove ball bearing 7 is arranged on the bearing seat 6 and is positioned by a retainer ring 8 through a hole; the bearing seat 6 is connected with the positioning sleeve 9 and is positioned by a first positioning screw 11 to prevent relative movement; the positioning sleeve 9 is connected with an electric hand drill 10 and is positioned through a first positioning screw 11 to prevent relative movement; a sleeve 2 is sleeved outside the connecting shaft 4, lubricating grease is filled in the sleeve 2, and the deep groove ball bearing 7 and the nylon sleeve 1 are lubricated; and the sleeve 5 and the nylon sleeve 1 are externally provided with a shaft sleeve 2 and are positioned by a third positioning screw to prevent relative movement.
The working principle of the utility model is as follows: firstly, the device is well installed and debugged, and a workpiece is hung on the inspection rack. An operator holds the electric hand drill switch with one hand and holds the electric hand drill switch with the other hand near the bearing block, so that safety accidents caused by shaking of the device are prevented. The grinding head group is extended to the position of the drill collar inner hole to be ground, the switch of the electric hand drill is started, the electric hand drill 10 drives the connecting shaft 4 to rotate at a high speed under the support of the deep groove ball bearing 7 and the nylon sleeve 1, the connecting shaft 4 drives the grinding head group 3 to rotate at a high speed, the drill collar inner hole is not smooth and burrs are ground smoothly through the high-speed rotation of the grinding head group 3, and the process requirements are met. In the working process of the device, lubricating grease in the sleeve 5 enters the deep groove ball bearing 7 and the nylon sleeve 1, so that an oil film is kept in the deep groove ball bearing and the nylon sleeve, and stable and efficient operation is ensured.
The electric hand drill is a purchasing piece and is GBM13RE in model number. The grinding head group is a purchasing part and has the model number of 40. The middle connecting assembly comprises a positioning sleeve, a bearing seat, a deep groove ball bearing 6200, a hole check ring, a connecting shaft, a sleeve, a shaft sleeve and a nylon sleeve. The positioning sleeve is connected to the electric hand drill through a positioning screw; the bearing is arranged on the bearing seat through a check ring for a hole; the bearing seat is connected on the positioning sleeve through a positioning screw; one end of the connecting shaft is clamped on the electric hand drill, and the other end of the connecting shaft is connected to the grinding head group; one end of the sleeve is connected to the bearing seat through a positioning screw, and the other end of the sleeve is connected to the shaft sleeve through a positioning screw; the nylon sleeve is arranged in the shaft sleeve and is tightly attached to the sleeve. The connecting shaft is in threaded connection with the grinding head group.
Claims (4)
1. A hand-held type drill collar inner hole grinding device for grinding a drill collar inner hole comprises an electric hand drill (10), a middle connecting component connected with the electric hand drill (10), and a grinding head group (3) connected with the middle connecting component, and is characterized in that,
the electric hand drill (10) is connected with the middle connecting assembly through a positioning sleeve (9) in an interference fit mode and is positioned through a first positioning screw (11);
the middle connecting assembly comprises a positioning sleeve (9), a bearing seat (6), a deep groove ball bearing (7), a hole retainer ring (8), a connecting shaft (4), a sleeve (5), a shaft sleeve (2) and a nylon sleeve (1); wherein, the left end of the positioning sleeve (9) is connected with the bearing seat (6) in an interference fit way and is positioned by a first positioning screw (11), the left end of the bearing seat (6) is connected with the sleeve (5) in an interference fit way and is positioned by a second positioning screw (12), a deep groove ball bearing (7) is arranged in an inner hole at the right end of the bearing seat (6), the left end of the sleeve (5) is connected with the shaft sleeve (2) in an interference fit manner and is positioned by a third positioning screw (13), the inner hole at the left end of the shaft sleeve (2) is connected with the nylon sleeve (1) in an interference fit manner, the nylon sleeve (1) is in a clearance fit with the connecting shaft (4), the connecting shaft (4) is fixedly connected with a rotor of the electric hand drill (10), and is supported by a deep groove ball bearing (7), and a grinding head group (3) as a purchasing piece is connected with the connecting shaft (4) through threads.
2. The hand-held type drill collar inner hole grinding device for grinding the drill collar inner hole is characterized in that a sleeve (5) is sleeved outside the connecting shaft (4), lubricating grease is filled in the sleeve, and a deep groove ball bearing (7) and a nylon sleeve (1) are sleeved outside the connecting shaft (4).
3. A hand-held drill collar bore grinding device for grinding drill collar bores according to claim 1, characterized in that the electric hand drill (10) is a hand-held power device and directly drives the grinding head group (3) to rotate through the connecting shaft (4).
4. The handheld drill collar inner hole grinding device for grinding the drill collar inner hole is characterized in that the right end of the positioning sleeve (9) is connected with an electric hand drill (10) in an interference fit mode and is positioned through a positioning screw (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022645443.XU CN213945976U (en) | 2020-11-16 | 2020-11-16 | Handheld drill collar inner hole grinding device for grinding drill collar inner hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022645443.XU CN213945976U (en) | 2020-11-16 | 2020-11-16 | Handheld drill collar inner hole grinding device for grinding drill collar inner hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213945976U true CN213945976U (en) | 2021-08-13 |
Family
ID=77208926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022645443.XU Active CN213945976U (en) | 2020-11-16 | 2020-11-16 | Handheld drill collar inner hole grinding device for grinding drill collar inner hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213945976U (en) |
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2020
- 2020-11-16 CN CN202022645443.XU patent/CN213945976U/en active Active
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