CN210622709U - Reaming bit device with high stability - Google Patents
Reaming bit device with high stability Download PDFInfo
- Publication number
- CN210622709U CN210622709U CN201920827925.1U CN201920827925U CN210622709U CN 210622709 U CN210622709 U CN 210622709U CN 201920827925 U CN201920827925 U CN 201920827925U CN 210622709 U CN210622709 U CN 210622709U
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- Prior art keywords
- drill bit
- drill
- bit
- drilling rod
- rod
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Abstract
The utility model discloses a reaming bit device with stronger stability, which comprises a drill rod and drill bits, wherein the bottom end of the drill rod is connected with a drill bit, the upper end of the drill rod is connected with a drill handle, a drill sleeve is sleeved on the outer wall of the drill rod and is fixedly connected with the drill rod, the bottom end of the drill sleeve is provided with an annular mounting table, the bottom end of the annular mounting table is provided with three layers of reaming bits, an inner layer drill bit, a middle layer drill bit and an outer layer drill bit are respectively arranged at the bottom end of the drill rod in sequence near the outer side of the drill rod, the inner layer drill bit faces to the right lower part, the utility model has reasonable design, the bottom end of the drill sleeve is provided with the annular mounting table by arranging the drill sleeve at the outer side of the drill rod, and the bottom end of the annular mounting table is provided with the reaming bits with three layers of different inclination angles and lengths, so that the device, so that the device has higher stability.
Description
Technical Field
The utility model relates to a drill bit especially relates to a strong reaming drill bit device of stability, relates to mechanical technical field.
Background
At present, various anchor rod technologies are widely applied, and most of the anchoring bodies of engineering anchor rods are cylindrical and have small diameters, so that the improvement of the bearing capacity of the anchor rod under the condition of determining the stratum mainly depends on the anchoring length, and the improvement of the pulling-resistant bearing capacity of the anchor rod is restricted. In order to improve the bearing capacity of the anchor rod, high-pressure water is used for scouring rock soil at the bottom of the anchor rod hole or the space is enlarged by using a blasting method so as to enlarge the volume of the anchor rod hole, so that the contact surface of the anchor rod and the rock soil is enlarged, the pulling resistance of the anchor rod can be improved, but the water jet reaming shape is irregular, the strength of the rock soil is weakened, mechanical parameters are reduced, the blasting reaming randomness is high, the construction is complicated, or a large-aperture drill bit is used, but the drill bit has low working efficiency, is inconvenient to install and disassemble, has a short service life and large cost investment. Therefore, a reamer bit device with high stability is provided to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a reaming bit device that stability is stronger can solve the unable reaming of current drill bit and the poor problem of stability.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a reaming drill bit device that stability is stronger, includes drilling rod and drill bit, the drilling rod bottom is connected with the drill bit, the upper end of drilling rod is connected with the drillstock, the drill bushing has been cup jointed on the drilling rod outer wall, drill bushing and drilling rod fixed connection, the bottom of drill bushing is provided with the annular mount table, annular mount table bottom is provided with the three-layer reaming drill bit, inlayer drill bit, middle level drill bit and outer drill bit respectively, inlayer drill bit, middle level drill bit and outer drill bit set gradually for being close to the drilling rod outside, under the inlayer drill bit orientation, the direction of drill rod is kept away from to middle level drill bit and outer drill bit equal slope orientation, the inclination of outer drill bit is greater than the inclination of middle.
Preferably, be provided with two recesses on the drillstock, be recess A and recess B respectively, all be provided with the twill in recess A and the recess B.
Preferably, the lengths of the inner layer drill bit, the middle layer drill bit and the outer layer drill bit are reduced in sequence.
Preferably, the drill rod, the drill handle, the drill bit and the drill sleeve are of an integrally formed structure.
Preferably, the inner layer drill bit, the middle layer drill bit, the outer layer drill bit and the annular mounting table are also of an integrally formed structure.
Preferably, the drill bit and the reamer bit are both made of diamond materials.
Compared with the prior art, the utility model discloses the beneficial effect that can reach is: the utility model discloses a set up the drill bushing in the outside of drilling rod, set up the annular mount table in the bottom of drill bushing, set up the reamer bit that three-layer inclination and length are all different in the bottom of annular mount table, make this device have higher reaming ability, and the pressure distribution that every layer of reamer bit received is comparatively even, make this device have higher stability, through set up the twill in recess A and recess B, after the drillstock is connected with the drillstock, when the elastic clamping part and recess A and the recess B in close contact with of drillstock, can increase frictional force, the stability of being connected between drillstock and the drillstock has been improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the groove a and the groove B of the present invention.
Wherein: 1. a drill stem; 2. a drill bit; 3. a drill shank; 4. drilling a sleeve; 5. an annular mounting table; 6. a hole expanding drill bit; 7. an inner layer drill bit; 8. a middle layer drill bit; 9. an outer layer drill bit; 10. a groove A; 11. a groove B; 12. twill.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Referring to fig. 1-2, a reaming bit device with high stability includes a drill rod 1 and a drill bit 2, the drill bit 2 is connected to the bottom end of the drill rod 1, the upper end of the drill rod 1 is connected with a drill handle 3, a drill sleeve 4 is sleeved on the outer wall of the drill rod 1, the drill sleeve 4 is fixedly connected with the drill rod 1, an annular mounting table 5 is arranged at the bottom end of the drill sleeve 4, three layers of reaming bits 6 are arranged at the bottom end of the annular mounting table 5, and are respectively an inner layer drill bit 7, a middle layer drill bit 8 and an outer layer drill bit 9, the inner layer drill bit 7, the middle layer drill bit 8 and the outer layer drill bit 9 are sequentially arranged towards the outer side close to the drill rod 1, the inner layer drill bit 7 faces towards the lower side, the middle layer drill bit 8 and the outer layer drill bit 9 are both inclined towards.
Furthermore, two grooves, namely a groove A10 and a groove B11, are arranged on the drill shank 3, twill 12 is arranged in each of the groove A10 and the groove B11, and when the drill shank 3 is connected with the drill chuck, the elastic clamping part of the drill chuck is in close contact with the groove A10 and the groove B11, friction force can be increased, and the connection stability between the drill chuck and the drill shank 3 is improved.
Further, the lengths of the inner layer drill bit 7, the middle layer drill bit 8 and the outer layer drill bit 9 are sequentially reduced, so that the drilling pressure borne by the inner layer drill bit 7, the middle layer drill bit 8 and the outer layer drill bit 9 is balanced.
Furthermore, the drill rod 1, the drill bit 2, the drill handle 3 and the drill sleeve 4 are of an integrally formed structure, so that the structural strength and the stability of the device are improved.
Further, the inner layer drill bit 7, the middle layer drill bit 8, the outer layer drill bit 9 and the annular mounting table 5 are also of an integrally formed structure, and the structural strength and the stability of the device are improved.
Furthermore, the drill bit 2 and the reaming bit 6 are both made of diamond materials and have high hardness.
The working principle is as follows: the during operation, set up drill bushing 4 through the outside at drilling rod 1, set up annular mount table 5 in the bottom of drill bushing 4, set up three-layer inclination and the equal different reamer bit 6 of length in the bottom of annular mount table 5, make this device have higher reaming ability, and the pressure distribution that every layer of reamer bit 6 received is comparatively even, make this device have higher stability, through set up twill 12 in recess A10 and recess B11, after drill shank 3 is connected with the drill chuck, when the elastic clamping part of drill chuck and recess A10 and recess B11 in close contact with, can increase frictional force, the stability of being connected between drill chuck and the drill shank 3 has been improved.
The embodiments of the present invention are not limited to the above embodiments, and according to the contents of the above embodiments of the present invention, the above preferred embodiments can also make modifications, replacements or combinations of other forms by using conventional technical knowledge and conventional means in the field without departing from the basic technical idea of the present invention, and the obtained other embodiments all fall within the scope of the present invention.
Claims (6)
1. The utility model provides a reaming drill bit device that stability is stronger, includes drilling rod (1) and drill bit (2), its characterized in that, drilling rod (1) bottom is connected with drill bit (2), the upper end of drilling rod (1) is connected with drillstock (3), drill bushing (4) have been cup jointed on drilling rod (1) outer wall, drill bushing (4) and drilling rod (1) fixed connection, the bottom of drill bushing (4) is provided with annular mount table (5), annular mount table (5) bottom is provided with three-layer reaming drill bit (6), respectively inlayer drill bit (7), middle level drill bit (8) and outer drill bit (9), inlayer drill bit (7), middle level drill bit (8) and outer drill bit (9) set gradually for being close to drilling rod (1) to the outside, under inlayer drill bit (7) orientation, middle level drill bit (8) and outer drill bit (9) all incline towards the orientation and keep away from the direction of drilling rod (1), the inclination angle of the outer layer drill bit (9) is larger than that of the middle layer drill bit (8).
2. A stable reamer bit device according to claim 1, wherein the drill shank (3) is provided with two grooves, namely a groove a (10) and a groove B (11), and the grooves a (10) and B (11) are provided with twills (12).
3. A more stable reamer bit device according to claim 1, wherein the lengths of the inner drill bit (7), the middle drill bit (8) and the outer drill bit (9) decrease in sequence.
4. A more stable reamer bit device according to claim 1, wherein the drill rod (1), the drill bit (2), the drill shank (3) and the drill sleeve (4) are of an integrally formed construction.
5. A stable reamer bit device according to claim 1, wherein the inner drill bit (7), the middle drill bit (8) and the outer drill bit (9) are also integrally formed with the annular mounting table (5).
6. A more stable reamer bit device according to claim 1, wherein the drill bit (2) and the reamer bit (6) are made of diamond material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920827925.1U CN210622709U (en) | 2019-06-04 | 2019-06-04 | Reaming bit device with high stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920827925.1U CN210622709U (en) | 2019-06-04 | 2019-06-04 | Reaming bit device with high stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210622709U true CN210622709U (en) | 2020-05-26 |
Family
ID=70758909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920827925.1U Expired - Fee Related CN210622709U (en) | 2019-06-04 | 2019-06-04 | Reaming bit device with high stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210622709U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112273126A (en) * | 2020-11-02 | 2021-01-29 | 宝鸡市林业科技信息中心(宝鸡市飞播造林工作站) | Slope punching planting and greening method |
| CN112610246A (en) * | 2020-12-08 | 2021-04-06 | 河北煤炭科学研究院有限公司 | Water-proof device for coal mining and drilling |
| CN113464133A (en) * | 2021-07-22 | 2021-10-01 | 中国矿业大学(北京) | Top plate slitting device and method |
| CN114131076A (en) * | 2021-12-04 | 2022-03-04 | 鹏得精密科技(深圳)有限公司 | PLC-controlled hardware workpiece precision drilling equipment |
-
2019
- 2019-06-04 CN CN201920827925.1U patent/CN210622709U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112273126A (en) * | 2020-11-02 | 2021-01-29 | 宝鸡市林业科技信息中心(宝鸡市飞播造林工作站) | Slope punching planting and greening method |
| CN112610246A (en) * | 2020-12-08 | 2021-04-06 | 河北煤炭科学研究院有限公司 | Water-proof device for coal mining and drilling |
| CN113464133A (en) * | 2021-07-22 | 2021-10-01 | 中国矿业大学(北京) | Top plate slitting device and method |
| CN114131076A (en) * | 2021-12-04 | 2022-03-04 | 鹏得精密科技(深圳)有限公司 | PLC-controlled hardware workpiece precision drilling equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |