CN218407296U - Drilling wall protection device - Google Patents
Drilling wall protection device Download PDFInfo
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- CN218407296U CN218407296U CN202222857415.3U CN202222857415U CN218407296U CN 218407296 U CN218407296 U CN 218407296U CN 202222857415 U CN202222857415 U CN 202222857415U CN 218407296 U CN218407296 U CN 218407296U
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Abstract
The utility model discloses a drilling dado device, including positioning sleeve, sliding sleeve, three arc backup pad, the arc backup pad horizontal sliding connection is in positioning sleeve, and positioning sleeve's top edge is provided with the actuating mechanism who is connected with sliding sleeve, and actuating mechanism drive sliding sleeve moves down along vertical to sliding sleeve butts arc backup pad and outwards moves, makes the outside butts the pore wall of each arc backup pad, in order to constitute to the stable support of pore wall; a connecting mechanism is arranged between every two adjacent arc-shaped supporting plates; coaxial fixed mounting has the bearing on the inner wall of positioning sleeve, and the coaxial fixedly connected with annular slider of inner circle of bearing, the coaxial drilling rod that is provided with in the annular slider, drilling rod along vertical slip peg graft in annular slider, the bottom fixedly connected with of drilling rod sets up in the drill bit of arc backup pad bottom, conveniently protects the pore wall, and conveniently takes out and installs, has reduced labour cost and process time.
Description
Technical Field
The utility model relates to an engineering drilling technical field specifically is drilling dado device.
Background
In engineering drilling, when the soil body of the wall of a drilling hole is unstable, a pipe-following wall-protecting measure is often needed to prevent the drill from being stuck and buried due to the collapse of the hole wall, and the drilling work is ensured to be carried out smoothly.
When a deeper borehole is drilled in soil, the borehole is easy to generate undesirable changes such as diameter shrinkage, breakage, block falling, collapse and the like, the existing method generally adopts the step of protecting the borehole wall by inserting a retaining pipe, more process time and labor cost are consumed in the installation and taking-out processes of the retaining pipe, and the drilling work efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drilling dado device to current general the taking of proposing in solving above-mentioned background art protects the pore wall through inserting the dado pipe, need consume more process time and labour cost at the installation of dado pipe and take out the in-process, has influenced probing work efficiency.
In order to achieve the above object, the utility model provides a following technical scheme: the drilling wall protection device comprises a sliding sleeve which is connected into a positioning sleeve in a sliding mode along the vertical direction, three arc-shaped supporting plates are coaxially arranged on the outer side of the positioning sleeve, the arc-shaped supporting plates are distributed at intervals along the circumferential direction of the positioning sleeve, the arc-shaped supporting plates are horizontally connected into the positioning sleeve in a sliding mode, a driving mechanism connected with the sliding sleeve is arranged at the edge of the top end of the positioning sleeve, the driving mechanism drives the sliding sleeve to move downwards along the vertical direction, and therefore the sliding sleeve abuts against the arc-shaped supporting plates to move outwards, the outer side of each arc-shaped supporting plate abuts against a hole wall, and therefore stable support for the hole wall is formed;
a connecting mechanism is arranged between every two adjacent arc-shaped supporting plates and comprises a first arc-shaped block and a second arc-shaped block, the first arc-shaped block, the second arc-shaped block and the arc-shaped supporting plates are coaxially arranged, the first arc-shaped block is fixedly connected with one arc-shaped supporting plate, the second arc-shaped block is fixedly connected with the other arc-shaped supporting plate, an arc-shaped sliding groove is formed in the first arc-shaped block, a limiting sliding block is slidably connected in the arc-shaped sliding groove, the second arc-shaped block is arranged above the first arc-shaped block, the end part of the second arc-shaped block is fixedly connected with a rotating shaft, and the rotating shaft is rotatably connected with the limiting sliding block;
the coaxial fixed mounting has the bearing on the inner wall of position sleeve, the coaxial fixedly connected with annular slider of inner circle of bearing, coaxial drilling rod that is provided with in the annular slider, drilling rod along vertical slip peg graft in annular slider, drilling rod's bottom fixedly connected with sets up the drill bit in arc backup pad bottom.
Preferably, a plurality of strip-shaped sliding grooves distributed along the circumferential direction at intervals are vertically formed in the inner wall of the annular sliding block, and a plurality of strip-shaped sliding blocks which are respectively connected with the strip-shaped sliding grooves in a sliding mode are fixedly connected to the circumferential surface of the drilling rod.
Preferably, actuating mechanism is including seting up the sealed storehouse in the wall inside of position sleeve both sides respectively, two the sealed storehouse communicates each other, each along vertical slip be provided with sealed piston in the sealed storehouse, sealed piston bottom end fixedly connected with guide bar, the bottom of guide bar stretches out to the external world and with guide way sliding connection from the sealed storehouse, the bottom and the outer wall fixed connection of sliding sleeve of guide bar, one of them top intercommunication has the air duct in the sealed storehouse, the air duct has the air pump through air guide hose connection.
Preferably, the outer wall of the bottom end of the sliding sleeve is coaxially and fixedly connected with an annular conical block, the outer wall of the positioning sleeve is provided with a rectangular hole, the inner wall of the arc-shaped supporting plate is fixedly connected with a rectangular block, the rectangular block is connected in the rectangular hole in a sliding mode, the rectangular block is close to one end of the sliding sleeve and is fixedly connected with a spherical block, the bottom end of the spherical block is fixedly connected with a baffle, a reset spring is fixedly connected between the baffle and the positioning sleeve, and the spherical block is abutted to the inclined plane of the annular conical block under the elastic force of the reset spring.
Preferably, an annular protrusion is formed on an outer wall of an upper end of the drill rod, and a compression spring is fixedly connected between the annular protrusion and the annular slider.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the driving mechanism drives the sliding sleeve to move downwards along the vertical direction, so that the sliding sleeve abuts against the arc-shaped supporting plates to move outwards, the outer side of each arc-shaped supporting plate abuts against the hole wall, and the stable support of the hole wall is completed;
2. when the three arc-shaped supporting plates are arranged to move, every two arc-shaped supporting plates respectively pull a first arc-shaped block and a second arc-shaped block to move, so that the first arc-shaped block and the second arc-shaped block relatively slide under the action of a limiting slide block, and meanwhile, the second arc-shaped block rotates with the limiting slide block through a bottom end rotating shaft, so that every two arc-shaped supporting plates are always connected, the stability among the three arc-shaped supporting plates is improved, and a strong supporting effect can be realized;
3. by arranging the compression spring, the compression spring can be extruded through the annular bulge while the drilling rod drills downwards, the compression spring drives the annular slide block, the bearing and the positioning sleeve to move downwards, the positioning sleeve does not need to be manually placed in the hole, and the positioning sleeve and the arc-shaped supporting rod can enter the hole along with the drilling; the hole wall is conveniently protected, and the hole wall is conveniently taken out and installed, so that the labor cost and the process time are reduced, and the drilling work efficiency is improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is a bottom view of the positioning sleeve and the arc-shaped supporting plate according to the embodiment of the present invention;
fig. 4 is a cross-sectional view of the connection of the first arc-shaped block and the second arc-shaped block according to the embodiment of the present invention;
fig. 5 is an exploded view of the annular slide and the drill rod according to the embodiment of the present invention.
In the figure: 1. positioning the sleeve; 2. a sliding sleeve; 3. an arc-shaped support plate; 4. fixing the cone; 5. an annular conical block; 6. a rectangular block; 7. a spherical block; 8. a baffle plate; 9. a first arc-shaped block; 10. a second arc-shaped block; 11. a rotating shaft; 12. a limiting slide block; 13. an arc-shaped chute; 14. an air duct; 15. sealing the bin; 16. a sealing piston; 17. a guide bar; 18. a guide groove; 19. a compression spring; 20. a bearing; 21. an annular slider; 22. drilling a rod; 23. a bar-shaped slider; 24. a drill bit; 25. a return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the drilling wall protection device comprises a sliding sleeve 2 which is connected in a positioning sleeve 1 in a sliding mode along the vertical direction, the sliding sleeve 2 is coaxially arranged in the positioning sleeve 1, three arc-shaped supporting plates 3 are coaxially arranged on the outer side of the positioning sleeve 1, the arc-shaped supporting plates 3 are distributed along the circumferential direction of the positioning sleeve 1 at intervals, the arc-shaped supporting plates 3 are horizontally connected in the positioning sleeve 1 in a sliding mode, a driving mechanism is arranged at the edge of the top end of the positioning sleeve 1 and connected with the sliding sleeve 2, the driving mechanism drives the sliding sleeve 2 to move downwards along the vertical direction, so that the sliding sleeve 2 abuts against the arc-shaped supporting plates 3 to move outwards, the outer side of each arc-shaped supporting plate 3 abuts against a hole wall, and therefore stable supporting of the hole wall is achieved;
a bearing 20 is coaxially and fixedly installed on the inner wall of the positioning sleeve 1 in the embodiment, an annular slider 21 is coaxially and fixedly connected to an inner ring of the bearing 20, a drilling rod 22 is coaxially arranged in the annular slider 21, the drilling rod 22 is inserted into the annular slider 21 in a sliding manner along the vertical direction, specifically, a plurality of strip-shaped sliding grooves which are circumferentially distributed at intervals are formed in the inner wall of the annular slider 21 along the vertical direction, and a plurality of strip-shaped sliders 23 which are respectively connected with the strip-shaped sliding grooves in a sliding manner are fixedly connected to the circumferential surface of the drilling rod 22; in this embodiment, by providing the drilling rod 22, the annular slider 21, the strip-shaped sliding groove and the strip-shaped slider 23, the positioning sleeve 1 can be unaffected when the drilling rod 22 rotates, and the drilling rod 22 can also move downward or upward.
In the embodiment, the drill bit 24 is fixedly connected to the bottom end of the drilling rod 22, the drill bit 24 is arranged at the bottom end of the sliding sleeve 2, and the drilling rod 22 is a conventional technology, and the drilling rod 22 is driven to rotate to drive the drill bit 24 to rotate for drilling; a connecting mechanism is arranged between every two adjacent arc-shaped supporting plates 3, the connecting mechanism comprises a first arc-shaped block 9 and a second arc-shaped block 10, the first arc-shaped block 9, the second arc-shaped block 10 and the arc-shaped supporting plates 3 are coaxially arranged, the first arc-shaped block 9 is fixedly connected with one of the arc-shaped supporting plates 3, the second arc-shaped block 10 is fixedly connected with the other arc-shaped supporting plate 3, an arc-shaped sliding groove 13 is formed in the first arc-shaped block 9, a limiting slide block 12 is slidably connected in the arc-shaped sliding groove 13, the second arc-shaped block 10 is arranged above the first arc-shaped block 9, a rotating shaft 11 is fixedly connected to the end part of the second arc-shaped block 10, and the rotating shaft 11 is rotatably connected with the limiting slide block 12; every two arc backup pads 3 stimulate a first arc piece 9 and a second arc piece 10 respectively and move when three arc backup pad 3 removes for first arc piece 9 and second arc piece 10 are through relative slip under the effect of stop block 12, second arc piece 10 rotates through bottom pivot 11 and stop block 12 simultaneously, make with this and remain the connection throughout between per two arc backup pads 3, and then improve the stability between three arc backup pad 3, make it to carry out stronger supporting effect.
The driving mechanism of the embodiment comprises sealed bins 15 which are respectively arranged inside two side walls of the positioning sleeve 1, the two sealed bins 15 are mutually communicated, a sealed piston 16 is arranged in each sealed bin 15 in a sliding manner along the vertical direction, the bottom end of the sealed piston 16 is fixedly connected with a guide rod 17, the bottom end of the guide rod 17 extends out of the sealed bin 15 to the outside and is in sliding connection with a guide groove 18, the bottom end of the guide rod 17 is fixedly connected with the outer wall of the sliding sleeve 2, the top end of one sealed bin 15 is communicated with an air duct 14, and the air duct 14 is connected with an air pump through an air duct hose; the outer wall of the bottom end of the sliding sleeve 2 is coaxially and fixedly connected with an annular conical block 5, the outer wall of the positioning sleeve 1 is provided with a rectangular hole, the inner wall of the arc-shaped supporting plate 3 is fixedly connected with a rectangular block 6, the rectangular block 6 is connected in the rectangular hole in a sliding manner, one end, close to the sliding sleeve 2, of the rectangular block 6 is fixedly connected with a spherical block 7, the bottom end of the spherical block 7 is fixedly connected with a baffle plate 8, a reset spring 25 is fixedly connected between the baffle plate 8 and the positioning sleeve 1, and the spherical block 7 is abutted against the inclined plane of the annular conical block 5 under the elastic force of the reset spring 25; be formed with annular protrusion on the outer wall of the upper end of drilling rod 22, fixedly connected with compression spring 19 between annular protrusion and the annular slider 21, through setting up compression spring 19, can be when drilling rod is driling downwards, through annular protrusion extrusion compression spring 19, compression spring 19 drives annular slider 21, bearing 20, the downstream of abutment sleeve 1, does not need the manual work to place the abutment sleeve 1 of this embodiment downtheholely.
The working principle is as follows: when the device is used, the device is firstly moved to a position needing to be punched, the drill bit 24 is driven to rotate to punch soil by driving the hole rotating rod 22 to rotate, the bearing 20 is driven to rotate by the annular sliding block 21, and when the hole drilling rod 22 moves downwards to drill, the annular sliding block 21 slides on the outer wall of the hole drilling rod 22 to perform punching; when punching, by arranging the compression spring 19, when the drilling rod 22 drills downwards, the compression spring 19 is extruded through the annular protrusion, the compression spring 19 drives the annular slider 21, the bearing 20, the positioning sleeve 1 moves downwards, the positioning sleeve 1 of the embodiment does not need to be manually placed into the hole, after punching for one section, the arc-shaped support plate 3 is placed into the hole, then the air duct 14 is connected with an external air pump through an air hose, air is conveyed into the air duct 14 through the air pump and the air hose, so that air enters the sealed cabin 15, the sealing piston 16 is pushed to drive the guide rod 17 to move along the direction of the guide groove 18 through the continuous air entering, so as to push the sliding sleeve 2 to move inside the positioning sleeve 1, the sliding sleeve 2 drives the annular conical block 5 to move while moving, the sliding spherical block 7 is pushed to drive the rectangular block 6 to move outside the positioning sleeve 1 through the action of the outer wall of the annular conical block 5, and the reset spring 25 is extruded through the baffle plate 8, thereby pushing the three arc-shaped support plates 3 to drive the fixing cone 4 to move towards the direction, when the three arc-shaped support plates 3 move, and the arc-shaped support plates 3 are pushed to move through the second limiting block 10, so as to enable the second arc-limiting block 10 to always move through the arc-limiting block 10, and the arc-limiting block 10, so as to enable the second arc-limiting block 10, the contact area between the arc-shaped supporting plate 3 and the hole wall is increased, and the supporting effect on the hole wall is further improved; when the hole needs to be punched further deeply, the air pump is used for deflating, the rectangular block 6 moves inwards under the elastic force of the reset spring 25, the rectangular block 6 drives the arc-shaped support plate 3 to move inwards, the rectangular block 6 abuts against the conical surface of the annular conical block 5, so that the sliding sleeve 2 moves upwards, the abutting of the arc-shaped support plate 3 and the hole wall is removed, then the embodiment is placed downwards, and the air pump acts again to drive the arc-shaped support plate 3 to abut against the hole wall; the embodiment is convenient to protect the hole wall, is convenient to take out and install, reduces labor cost and process time, and improves the drilling work efficiency.
The above is the operation of the whole device, and the details which are not described in detail in this specification are well known to those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Drilling dado device, its characterized in that: the sliding sleeve is connected in the positioning sleeve in a sliding mode in the vertical direction, three arc-shaped supporting plates are coaxially arranged on the outer side of the positioning sleeve, the arc-shaped supporting plates are distributed at intervals along the circumferential direction of the positioning sleeve, the arc-shaped supporting plates are horizontally connected in the positioning sleeve in a sliding mode, a driving mechanism connected with the sliding sleeve is arranged at the edge of the top end of the positioning sleeve, the driving mechanism drives the sliding sleeve to move downwards in the vertical direction, and therefore the sliding sleeve abuts against the arc-shaped supporting plates to move outwards, the outer side of each arc-shaped supporting plate abuts against the hole wall, and therefore stable support for the hole wall is formed;
a connecting mechanism is arranged between every two adjacent arc-shaped supporting plates and comprises a first arc-shaped block and a second arc-shaped block, the first arc-shaped block, the second arc-shaped block and the arc-shaped supporting plates are coaxially arranged, the first arc-shaped block is fixedly connected with one arc-shaped supporting plate, the second arc-shaped block is fixedly connected with the other arc-shaped supporting plate, an arc-shaped sliding groove is formed in the first arc-shaped block, a limiting sliding block is slidably connected in the arc-shaped sliding groove, the second arc-shaped block is arranged above the first arc-shaped block, the end part of the second arc-shaped block is fixedly connected with a rotating shaft, and the rotating shaft is rotatably connected with the limiting sliding block;
the coaxial fixed mounting has the bearing on the inner wall of position sleeve, the coaxial fixedly connected with annular slider of inner circle of bearing, coaxial drilling rod that is provided with in the annular slider, drilling rod along vertical slip peg graft in annular slider, drilling rod's bottom fixedly connected with sets up the drill bit in arc backup pad bottom.
2. The borehole retaining wall device of claim 1, wherein: the annular slider inner wall is along vertical the bar spout of offering a plurality of along its circumference interval distribution, the circumference of drilling rod on the surface fixedly connected with a plurality of respectively with bar spout sliding connection's bar slider.
3. The borehole retaining wall device of claim 1, wherein: the driving mechanism comprises sealing bins which are respectively arranged inside two side walls of the positioning sleeve, the sealing bins are mutually communicated, sealing pistons are arranged in the sealing bins along vertical sliding, the bottom ends of the sealing pistons are fixedly connected with guide rods, the bottom ends of the guide rods extend out of the sealing bins to the outside and are in sliding connection with guide grooves, the bottom ends of the guide rods are fixedly connected with the outer wall of the sliding sleeve, one of the guide rods is communicated with an air duct at the top end in the sealing bins, and the air duct is connected with an air pump through an air guide hose.
4. A borehole retaining wall device according to claim 3, wherein: the outer wall of the bottom end of the sliding sleeve is coaxially and fixedly connected with an annular conical block, the outer wall of the positioning sleeve is provided with a rectangular hole, the inner wall of the arc-shaped supporting plate is fixedly connected with a rectangular block, the rectangular block is connected in the rectangular hole in a sliding mode, the rectangular block is close to one end of the sliding sleeve and is fixedly connected with a spherical block, the bottom end of the spherical block is fixedly connected with a baffle, a reset spring is fixedly connected between the baffle and the positioning sleeve, and the spherical block is abutted to the inclined plane of the annular conical block under the elastic force of the reset spring.
5. The borehole retaining wall device of claim 2, wherein: an annular bulge is formed on the outer wall of the upper end of the drilling rod, and a compression spring is fixedly connected between the annular bulge and the annular sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222857415.3U CN218407296U (en) | 2022-10-28 | 2022-10-28 | Drilling wall protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222857415.3U CN218407296U (en) | 2022-10-28 | 2022-10-28 | Drilling wall protection device |
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| Publication Number | Publication Date |
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| CN218407296U true CN218407296U (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222857415.3U Active CN218407296U (en) | 2022-10-28 | 2022-10-28 | Drilling wall protection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115822461A (en) * | 2023-02-17 | 2023-03-21 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Rock stratum drilling device for geothermal water exploration |
-
2022
- 2022-10-28 CN CN202222857415.3U patent/CN218407296U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115822461A (en) * | 2023-02-17 | 2023-03-21 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Rock stratum drilling device for geothermal water exploration |
| CN115822461B (en) * | 2023-02-17 | 2023-04-18 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Rock stratum drilling device for geothermal water exploration |
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