CN209942739U - Guide drill with replaceable guide drill inclined surface joint - Google Patents
Guide drill with replaceable guide drill inclined surface joint Download PDFInfo
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- CN209942739U CN209942739U CN201920537363.7U CN201920537363U CN209942739U CN 209942739 U CN209942739 U CN 209942739U CN 201920537363 U CN201920537363 U CN 201920537363U CN 209942739 U CN209942739 U CN 209942739U
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- inclined plane
- guide drill
- drill
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Abstract
The utility model discloses a guide drill with a replaceable guide drill inclined plane joint, which comprises a power joint with a hollow structure and a probe cabin connected with the power joint, wherein a probe sheath is arranged in the probe cabin, and a probe is arranged in the probe sheath; the other end of the probe cabin is connected with a guide drill inclined plane joint, a guide drill is arranged on the inclined plane of the guide drill inclined plane joint through a fastening bolt, and the guide drill inclined plane joint is in threaded connection with the probe cabin; a positioning sealing plug is arranged between the guide drill inclined plane joint and the probe rod sheath in the probe rod cabin, and one end of the positioning sealing plug is fixedly connected with the guide drill inclined plane joint; the other end of the positioning sealing plug is inserted in the probe rod sheath. According to the technical scheme, when the bolt is broken, the water spraying hole is blocked, and the inclined plane joint of the guide drill is seriously abraded, the inclined plane joint of the guide drill can be easily replaced on site without integrally replacing the guide drill; the maintenance cost in use is reduced, and different types of pilot bits can be replaced and used by replacing the pilot bit inclined plane joint.
Description
Technical Field
The utility model belongs to the technical field of the non-excavation direction is bored, especially, relate to a direction that interchangeable direction bores inclined plane and connects bores.
Background
With the high-speed development of Chinese economy, the investment of the country on the foundation engineering construction is increased, the non-excavation drilling tool plays an irreplaceable role in the foundation engineering, and the non-excavation guide drill is used as a key drilling tool for realizing a guide track and is an indispensable important part in the non-excavation drilling tool.
At present, probes in probe bins of trenchless pilot drills in the market are generally positioned in an axial direction and a radial direction in a double mode, and the probes are pre-tightened and positioned through springs. The conventional guide drill bit is used for ensuring that the rotating position of the inner probe positioning plug and the guide drill inclined plane joint is unchanged, the guide drill inclined plane joint is welded with the probe cabin together, so that the guide drill inclined plane joint is not easy to maintain when meeting the conditions of guide drill mounting bolt fracture, water spray hole blockage, guide drill inclined plane joint abrasion and the like, and once the conditions of bolt fracture, water spray hole blockage and serious guide drill inclined plane joint abrasion are generated, the condition that the guide drill is integrally scrapped can be met.
Therefore, the design is easy to replace on site when in use; the maintenance cost in the use is reduced, and can change the direction drill bit of using the different grade type through changing the direction and bore the inclined plane and connect, need not the direction of the interchangeable direction that the whole change led bored inclined plane of the brill and connect and bore.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a portable water heater which can be easily replaced on site when in use; the maintenance cost in the use is reduced, and can change the direction drill bit of using the different grade type through changing the direction and bore the inclined plane and connect, need not the direction of the interchangeable direction that the whole change led bored inclined plane of the brill and connect and bore.
The utility model discloses a what realize like this, a direction of interchangeable direction brill inclined plane joint bores, including hollow structure's power joint, connect the probe cabin of power joint, be equipped with first water channel along the axis direction on the probe cabin, probe sheath is installed to the probe cabin, is close to the power joint side the tip of probe sheath is installed the ferrule and is connected, install the probe in the probe sheath, the probe is fixed connection on the ferrule connects; the other end of the probe cabin is connected with a guide drill inclined plane joint, a second water passing channel is arranged in the guide drill inclined plane joint, a water spraying port communicated with the water passing channel is arranged on the outer end face of the guide drill inclined plane joint, and a guide drill is arranged on the inclined plane of the guide drill inclined plane joint through a fastening bolt; a positioning sealing plug is arranged between the guide drill inclined plane joint and the probe rod sheath in the probe rod cabin, and one end of the positioning sealing plug is fixedly connected with the guide drill inclined plane joint; a central blind hole communicated with a second water passing channel is arranged in the positioning sealing plug on the side of the inclined surface connector of the guide drill, a plurality of water inlets communicated with the central blind hole are arranged on the side wall of the positioning sealing plug along the circumferential direction, and the water inlets, the first water passing channel and the second water passing channel form a water flow channel communicated with a power connector of a hollow structure; the other end of the positioning sealing plug is inserted into the probe rod sheath to form a sealing structure.
Preferably, an O-shaped sealing ring is arranged between the positioning sealing plug and the probe rod sheath. The sealing between the positioning sealing plug and the probe rod sheath is further improved, and the service life of the probe rod is ensured.
An O-shaped sealing ring is arranged between the positioning sealing plug and the inner circumference of the probe cabin. And the sealing between the positioning sealing plug and the probe rod sheath is further improved, and the service life of the probe rod is ensured.
The positioning sealing plug and the positioning sealing plug are in a welding structure or a thread sealing connection structure. The firmness and the tightness of the connection are ensured.
The probe sheath is made of a nylon pipe, and the nylon pipe plays a role in protection and has an anti-seismic effect.
The utility model has the advantages of it is following and technological effect: because the technical proposal of the utility model is that the probe cabin is connected with the inclined plane joint of the guide drill by screw thread, and is matched with the positioning sealing plug fixedly connected with the inclined plane joint of the guide drill; when the bolt is broken, the water spraying hole is blocked, and the inclined plane joint of the guide drill is seriously abraded, the inclined plane joint of the guide drill can be easily replaced on site without integrally replacing the guide drill; the maintenance cost in use is reduced, and different types of pilot bits can be replaced and used by replacing the pilot bit inclined plane joint. To sum up, the utility model discloses reduce the maintenance cost, improved maintenance efficiency, enlarged the application range that current direction bored.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion I of fig. 1.
In the figure, 1, a power joint; 2. a probe cabin; 2-1, a first water passing channel; 3. a probe sheath; 4. a pipe clamp joint; 5. a probe rod; 6. a pilot drill bevel joint; 6-1, a second water passing channel; 6-2, water spraying ports; 7. a pilot drill; 8. positioning a sealing plug; 8-1, a central blind hole; 8-2 parts of a water inlet; 9. an O-shaped sealing ring; 10. an O-shaped sealing ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
For guaranteeing that the inside probe location is stifled and the rotatory position that the direction bored the inclined plane and connect is unchangeable, solve traditional direction drill bit tradition in the direction bore the inclined plane connect and adopt welded structure to have difficult maintenance, problem that cost of maintenance is high the utility model provides a changeable direction bores the direction that the inclined plane connects and bores. To further explain the specific technical solution of the present invention, the following description is made with reference to the related drawings.
Please refer to fig. 1 and fig. 2; a guide drill with a replaceable guide drill inclined surface joint comprises a power joint 1 of a hollow structure and a probe cabin 2 connected with the power joint, wherein a first water passing channel 2-1 is arranged on the probe cabin along the axis direction, a probe sheath 3 is arranged in the probe cabin, a pipe hoop joint 4 is arranged at the end part of the probe sheath close to the power joint side, a probe 5 is arranged in the probe sheath, and the probe is fixedly connected to the pipe hoop joint; the other end of the probe cabin is connected with a guide drill inclined plane joint 6, a second water passing channel 6-1 is arranged in the guide drill inclined plane joint, a water spraying port 6-2 communicated with the water passing channel is arranged on the outer end face of the guide drill inclined plane joint, a guide drill 7 is arranged on the inclined plane of the guide drill inclined plane joint through a fastening bolt, and the guide drill inclined plane joint is in threaded connection with the probe cabin 2; a positioning sealing plug 8 is arranged between the guiding drill inclined plane joint and the probe rod sheath in the probe rod cabin, and one end of the positioning sealing plug is fixedly connected with the guiding drill inclined plane joint; a central blind hole 8-1 communicated with a second water passing channel is arranged in the positioning sealing plug at the side of the inclined surface connector of the pilot drill, a plurality of water inlets 8-2 communicated with the central blind hole are arranged on the side wall of the positioning sealing plug along the circumferential direction, and the water inlets, the first water passing channel and the second water passing channel form a water flow channel communicated with a power connector of a hollow structure; the other end of the positioning sealing plug 8 is inserted into the probe rod sheath to form a sealing structure.
Preferably, an O-shaped sealing ring 9 is arranged between the positioning sealing plug and the probe rod sheath. The sealing between the positioning sealing plug and the probe rod sheath is further improved, and the service life of the probe rod is ensured.
An O-shaped sealing ring 10 is arranged between the positioning sealing plug and the inner circumference of the probe cabin. And the sealing between the positioning sealing plug and the probe rod sheath is further improved, and the service life of the probe rod is ensured.
The positioning sealing plug and the positioning sealing plug are in a welding structure or a thread sealing connection structure. The firmness and the tightness of the connection are ensured.
The probe sheath is made of a nylon tube, so that the probe sheath plays a role in protection and has an anti-seismic function.
By adopting the technical scheme, when the bolt is broken, the water spraying hole is blocked, and the inclined plane joint of the guide drill is seriously abraded, the inclined plane joint of the guide drill can be easily replaced on site without integrally replacing the guide drill; the maintenance cost in use is reduced, and different types of pilot bits can be replaced and used by replacing the pilot bit inclined plane joint. To sum up, the utility model discloses reduce the maintenance cost, improved maintenance efficiency, enlarged the application range that current direction bored.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A guide drill with a replaceable guide drill inclined surface joint comprises a power joint in a hollow structure and a probe cabin connected with the power joint, wherein a first water passing channel is arranged on the probe cabin along the axis direction, a probe sheath is arranged in the probe cabin, a pipe hoop joint is arranged at the end part of the probe sheath close to the power joint side, a probe is arranged in the probe sheath, and the probe is fixedly connected to the pipe hoop joint; the other end of the probe cabin is connected with a guide drill inclined plane joint, a second water passing channel is arranged in the guide drill inclined plane joint, a water spraying port communicated with the water passing channel is arranged on the outer end face of the guide drill inclined plane joint, and a guide drill is arranged on the inclined plane of the guide drill inclined plane joint through a fastening bolt; a positioning sealing plug is arranged between the guide drill inclined plane joint and the probe rod sheath in the probe rod cabin, and one end of the positioning sealing plug is fixedly connected with the guide drill inclined plane joint; a central blind hole communicated with a second water passing channel is arranged in the positioning sealing plug on the side of the inclined surface connector of the guide drill, a plurality of water inlets communicated with the central blind hole are arranged on the side wall of the positioning sealing plug along the circumferential direction, and the water inlets, the first water passing channel and the second water passing channel form a water flow channel communicated with a power connector of a hollow structure; the other end of the positioning sealing plug is inserted into the probe rod sheath to form a sealing structure.
2. The pilot drill of the interchangeable pilot drill beveled joint of claim 1, wherein: an O-shaped sealing ring is arranged between the positioning sealing plug and the probe rod sheath.
3. The pilot drill of the interchangeable pilot drill beveled joint of claim 1, wherein: an O-shaped sealing ring is arranged between the positioning sealing plug and the inner circumference of the probe cabin.
4. The pilot drill of the interchangeable pilot drill beveled joint of claim 1, wherein: the positioning sealing plug and the positioning sealing plug are in a welding structure or a thread sealing connection structure.
5. The pilot drill of the interchangeable pilot drill beveled joint of claim 1, wherein: the probe sheath is made of a nylon tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920537363.7U CN209942739U (en) | 2019-04-18 | 2019-04-18 | Guide drill with replaceable guide drill inclined surface joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920537363.7U CN209942739U (en) | 2019-04-18 | 2019-04-18 | Guide drill with replaceable guide drill inclined surface joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209942739U true CN209942739U (en) | 2020-01-14 |
Family
ID=69128795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920537363.7U Active CN209942739U (en) | 2019-04-18 | 2019-04-18 | Guide drill with replaceable guide drill inclined surface joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209942739U (en) |
-
2019
- 2019-04-18 CN CN201920537363.7U patent/CN209942739U/en active Active
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