CN214997621U - Drilling structure for preventing drill falling in karst exploration - Google Patents
Drilling structure for preventing drill falling in karst exploration Download PDFInfo
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- CN214997621U CN214997621U CN202120888324.9U CN202120888324U CN214997621U CN 214997621 U CN214997621 U CN 214997621U CN 202120888324 U CN202120888324 U CN 202120888324U CN 214997621 U CN214997621 U CN 214997621U
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- drill bit
- karst
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Abstract
The utility model provides a probing structure that is used for karst reconnaissance to prevent falling brill, include: a drill bit; the drill bit comprises a handle part, a drill bit and a connecting block, wherein the handle part is fixedly connected to the top of the drill bit, the top of the handle part is provided with a positioning groove, the inside of the positioning groove is inserted with the connecting block, one side of the connecting block is fixedly connected with the drill rod, the bottom of the connecting block is provided with a connecting hole, and the top of the inner wall of the connecting hole is provided with a limiting groove; the two external threads are respectively arranged on the surface of the bottom of the drill rod and the surface of the top of the handle. The utility model provides a probing structure for karst reconnaissance prevents falling brill has through being provided with the three-layer and prevents falling the structure, and the stability after drill bit and the drilling rod installation when effectual assurance probing, the effectual problem that has solved the drill bit and break away from, drop from the drilling rod when drilling equipment uses to use through the cooperation that is provided with pull rod, fly leaf and spring, the installation and the dismantlement of the drill bit of being convenient for, and simple structure, convenient to use.
Description
Technical Field
The utility model relates to a geology prospect technical field especially relates to a probing structure that is used for karst reconnaissance to prevent falling brill.
Background
With the rapid development of urban rail transit, the construction geological environment is relatively complex due to the self condition of urban construction land has certain restrictive property, and particularly, the harm of karst as a typical unfavorable geological phenomenon in construction is more and more obvious. A plurality of important risk sources exist along the planned subway line, such as city express ways, high-speed railways, high-rise residential districts and the like, and geological prospecting engineering needs to be carried out on the areas.
Geological exploration requires drilling of geology, a drill bit for drilling is very important, when drilling equipment operates, the drill bit is connected with a drill rod matched with the drill bit through threads, and the drill bit is lifted and lowered by continuously increasing or decreasing the number of the drill rods; however, when the drill bit rotating at a high speed encounters a stratum with uneven lithology, bouncing phenomenon is caused, so that huge additional vibration load and shearing stress are generated, and the screw thread between the handle part of the drill bit and the drill rod is easy to lose efficacy or the screw is loosened, so that the drill bit is separated from the drill rod and falls off. The dropped drill bit is expensive and is very easy to induce engineering accidents such as hole plugging, and special fishing equipment is needed to be used for fishing and cleaning, so that the drilling construction period is greatly delayed, and huge manpower, material resources and financial resources are consumed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a probing structure that is used for karst reconnaissance to prevent falling brill has solved the drill bit and has broken away from, the problem that drops from the drilling rod.
In order to solve the technical problem, the utility model provides a probing structure for karst reconnaissance prevents falling brill, include: a drill bit;
the drill bit comprises a handle part, a drill bit and a connecting block, wherein the handle part is fixedly connected to the top of the drill bit, the top of the handle part is provided with a positioning groove, the inside of the positioning groove is inserted with the connecting block, one side of the connecting block is fixedly connected with the drill rod, the bottom of the connecting block is provided with a connecting hole, and the top of the inner wall of the connecting hole is provided with a limiting groove;
the connecting hole is used with the cross connector and the fixing column in a matching way.
The two external threads are respectively arranged on the surface of the bottom of the drill rod and the surface of the top of the handle part;
the jack penetrates through the bottoms of the handle part, the connecting block and the fixing column in sequence, and an inserting rod is inserted into the jack.
Preferably, the center of the bottom of the drill bit is fixedly connected with a top drill, and the side wall of the drill bit is fixedly connected with a side drill.
Preferably, the inner wall of the limit groove is connected with a movable plate in a sliding mode, one side of the movable plate is fixedly connected with a wedge-shaped block, and the other side of the movable plate is symmetrically and fixedly connected with a spring.
Preferably, the top of one side of the movable plate is fixedly connected with a pull rod.
Preferably, the surface of the drill rod is sleeved with a threaded sleeve, an inner thread is formed in the inner wall of the threaded sleeve, and the inner wall of the threaded sleeve is in threaded connection with the surface of the outer thread.
Preferably, a positioning ring is fixedly connected to the outer surface of the handle.
Preferably, the bottom fixedly connected with fixed column of constant head tank, the outer wall fixedly connected with cross connector of fixed column, the wedge groove has all been seted up to the both sides of cross connector, the inner wall in wedge groove and the surface joint of wedge.
Preferably, a mounting groove is formed in one side of the bottom of the drill rod, a return spring is fixedly connected to the inner wall of the mounting groove, an arc-shaped block is fixedly connected to the top of the return spring, a sliding groove is formed in one side, close to the mounting groove, of the drill rod, and a sliding plate is slidably connected to the inner wall of the sliding groove
Compared with the prior art, the utility model provides a probing structure for karst reconnaissance prevents falling brill has following beneficial effect:
the utility model provides a probing structure for karst reconnaissance prevents falling brill through being provided with the three-layer structure of preventing falling, the stability after drill bit and the drilling rod installation during effectual assurance probing, the effectual problem that has solved the drill bit and break away from, drop from the drilling rod when drilling equipment uses to use through the cooperation that is provided with pull rod, fly leaf and spring, the installation and the dismantlement of the drill bit of being convenient for, and simple structure, convenient to use.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a drilling structure for karst exploration with anti-drop drilling provided by the present invention;
FIG. 2 is an oblique view of the drill bit shown in FIG. 1;
FIG. 3 is an oblique view of the drill rod shown in FIG. 1;
FIG. 4 is a cross-sectional view of the entirety shown in FIG. 1;
FIG. 5 is an enlarged view of portion A shown in FIG. 4;
fig. 6 is a schematic structural diagram of a second embodiment of the drilling structure for karst exploration and drop prevention provided by the present invention;
fig. 7 is a cross-sectional view of the drill rod shown in fig. 6.
Reference numbers in the figures: 1. drill bit, 2, stalk portion, 3, holding ring, 4, external screw thread, 5, drilling rod, 6, thread bush, 7, constant head tank, 8, fixed column, 9, cross connector, 10, wedge groove, 11, jack, 12, inserted bar, 13, connecting rod, 14, connecting hole, 15, spacing groove, 16, fly leaf, 17, wedge, 18, spring, 19, pull rod, 20, sidetracking, 21, top brill, 22, spout, 23, slide, 24, mounting groove, 25, reset spring, 26, arc piece.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
First embodiment
Please refer to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5 in combination, wherein fig. 1 is a schematic structural diagram of a drilling structure for karst exploration and anti-drop drilling according to a preferred embodiment of the present invention; FIG. 2 is an enlarged view of portion A shown in FIG. 1; fig. 3 is an enlarged view of a portion B shown in fig. 1. A drilling structure for karst exploration against drill loss comprising: a drill bit 1;
the drill bit comprises a handle part 2, wherein the handle part 2 is fixedly connected to the top of the drill bit 1, a positioning groove 7 is formed in the top of the handle part 2, a connecting block 13 is inserted into the positioning groove 7, a drill rod 5 is fixedly connected to one side of the connecting block 13, a connecting hole 14 is formed in the bottom of the connecting block 13, and a limiting groove 15 is formed in the top of the inner wall of the connecting hole 14;
the top end of the drill rod 5 is connected with a power device.
The two external threads 4 are respectively arranged on the surface of the bottom of the drill rod 5 and the surface of the top of the handle 2;
the insertion hole 11 penetrates through the bottom of the handle part 2, the connecting block 13 and the fixing column 8 in sequence, and an insertion rod 12 is inserted into the insertion hole 11.
The handle 2 and the connecting block 13 are connected with the fixing column 8 through the inserted link 12.
The center of the bottom of the drill bit 1 is fixedly connected with a top drill 21, and the side wall of the drill bit 1 is fixedly connected with a side drill 20.
By being provided with the top drill probing of can being convenient for, improve probing efficiency, set up the sidetracking and can assist the probing，
The inner wall of the limiting groove 15 is slidably connected with a movable plate 16, one side of the movable plate 16 is fixedly connected with a wedge-shaped block 17, and the other side of the movable plate 16 is symmetrically and fixedly connected with a spring 18.
A pull rod 19 is fixedly connected to the top of one side of the movable plate 16, and one end of the pull rod 19 penetrates and extends to the outside of the connecting block 13 and is fixedly connected with a pull ring.
The surface of the drill rod 5 is sleeved with a threaded sleeve 6, internal threads are formed in the inner wall of the threaded sleeve 6, and the inner wall of the threaded sleeve 6 is in threaded connection with the surface of the external threads 4.
The outer surface of the handle part 2 is fixedly connected with a positioning ring 3.
The bottom fixedly connected with fixed column 8 of constant head tank 7, the outer wall fixedly connected with cross connector 9 of fixed column 8, wedge groove 10 has all been seted up to the both sides of cross connector 9, the inner wall of wedge groove 10 and the surface joint of wedge 17.
The utility model provides a theory of operation that is used for drilling structure that karst reconnaissance was prevented falling and is bored as follows:
during installation, the connecting block 13 is firstly inserted into the positioning groove 7, the fixing column 8 and the cross-shaped connector 9 are inserted into the top of the connecting hole 14 on the connecting block 13 until the wedge-shaped grooves 10 on the two sides of the cross-shaped connector 9 pass through the wedge-shaped block 17 and are clamped with the wedge-shaped block to form a first layer anti-falling structure, the handle part 2, the connecting block 13 and the fixing column 8 are integrated into a whole by inserting the inserted rod 12 into the insertion hole 11 to form a second layer anti-falling structure, then the threaded sleeve 6 is rotated by using a tool until one side of the threaded sleeve 6 is rotated to the positioning ring 3, the drill rod 5 is further connected with the handle part 2 on the drill bit 1 through threaded engagement of the threaded sleeve 6 and the external thread 4, a three-layer anti-falling structure is formed, the three-layer anti-falling structure is supplemented, the stability of the drill bit 1 and the drill rod 5 during drilling is effectively guaranteed, and the problem that the drill bit is separated from the drill rod 5 during use is effectively solved, The problem of dropping.
When the drill bit needs to be disassembled, firstly, the threaded sleeve 6 is rotated reversely by using a tool, so that the threaded sleeve 6 is separated from the external thread 4, then the inserted rod 12 is pulled out of the insertion hole 11, and the pull ring on the pull rod 19 is pulled, so that the movable plate 16 drives the wedge block 17 to be separated from the wedge-shaped groove 10, and the drill bit 1 and the drill rod 5 can be disassembled, the drill bit is convenient to install and disassemble, and the drill bit is simple in structure and convenient to use.
Compared with the prior art, the utility model provides a probing structure for karst reconnaissance prevents falling brill has following beneficial effect:
the utility model provides a probing structure for karst reconnaissance prevents falling brill prevents falling the structure through being provided with the three-layer, and the stability after drill bit 1 and drilling rod 5 installation during effectual assurance probing, the effectual drill bit that has solved when drilling equipment uses breaks away from, the problem that drops from drilling rod 5 to use through the cooperation that is provided with pull rod 19, fly leaf 16 and spring 18, the installation and the dismantlement of the drill bit of being convenient for, and simple structure, convenient to use.
Second embodiment
Referring to fig. 6 and 7 in combination, a second embodiment of the present application proposes another drilling structure for karst exploration anti-drop drilling based on the drilling structure for karst exploration anti-drop drilling provided by the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference that is used for the probing structure that the karst reconnaissance was prevented falling and is bored that the second embodiment of this application provided lies in for the probing structure that the karst reconnaissance was prevented falling and is bored, mounting groove 24 has been seted up to one side of drilling rod 5 bottom, the inner wall fixedly connected with reset spring 25 of mounting groove 24, reset spring 25's top fixedly connected with arc piece 26, spout 22 has been seted up to one side that drilling rod 5 is close to mounting groove 24, the inner wall sliding connection of spout 22 has slide 23.
During the use, when rotatory to the one side of holding ring 3 at thread bush 6, through upwards sliding slide 23 in spout 22 for slide 23 relieves spacing to arc piece 26, and the elasticity of compressed reset spring 25 extends the outside at mounting groove 24 with the top of arc piece 26, makes arc piece 26 spacing to one side of thread bush 6, avoids the screw thread gyration between thread bush 6 and the external screw thread 4 to lead to droing or damaging, thereby has improved the anti-drop of this structure and has bored the performance.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (8)
1. A drilling structure for anti-drop drilling in karst exploration, comprising: a drill bit;
the drill bit comprises a handle part, a drill bit and a connecting block, wherein the handle part is fixedly connected to the top of the drill bit, the top of the handle part is provided with a positioning groove, the inside of the positioning groove is inserted with the connecting block, one side of the connecting block is fixedly connected with the drill rod, the bottom of the connecting block is provided with a connecting hole, and the top of the inner wall of the connecting hole is provided with a limiting groove;
the two external threads are respectively arranged on the surface of the bottom of the drill rod and the surface of the top of the handle part;
the jack penetrates through the bottoms of the handle part, the connecting block and the fixing column in sequence, and an inserting rod is inserted into the jack.
2. A drilling structure for karst surveying against drill fallout as claimed in claim 1, characterized in that a top drill is fixedly connected to the centre of the bottom of the drill bit and a side drill is fixedly connected to the side wall of the drill bit.
3. The drilling structure for karst investigation anti-drop drilling according to claim 1, wherein the inner wall of the limiting groove is slidably connected with a movable plate, a wedge block is fixedly connected to one side of the movable plate, and a spring is symmetrically and fixedly connected to the other side of the movable plate.
4. A drilling structure for karst investigation anti-drop drilling according to claim 3, characterized in that a pull rod is fixedly connected to the top of one side of the movable plate.
5. The drilling structure for preventing drill dropping for karst investigation according to claim 1, wherein a thread bushing is sleeved on the surface of the drill rod, an internal thread is formed on the inner wall of the thread bushing, and the inner wall of the thread bushing is in threaded connection with the surface of the external thread.
6. A drilling structure for karst surveying against drill fallout as claimed in claim 1, characterized in that a positioning ring is fixedly connected to the outer surface of the shank.
7. The drilling structure for litholysis investigation anti-drop bores of claim 1, characterized in that the bottom of the positioning groove is fixedly connected with a fixing column, the outer wall of the fixing column is fixedly connected with a cross connector, both sides of the cross connector are provided with wedge-shaped grooves, and the inner walls of the wedge-shaped grooves are clamped with the surfaces of the wedge blocks.
8. The drilling structure for preventing drill dropping for karst investigation according to claim 1, wherein a mounting groove is formed at one side of the bottom of the drill rod, a return spring is fixedly connected to the inner wall of the mounting groove, an arc-shaped block is fixedly connected to the top of the return spring, a sliding groove is formed at one side of the drill rod close to the mounting groove, and a sliding plate is slidably connected to the inner wall of the sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120888324.9U CN214997621U (en) | 2021-04-28 | 2021-04-28 | Drilling structure for preventing drill falling in karst exploration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120888324.9U CN214997621U (en) | 2021-04-28 | 2021-04-28 | Drilling structure for preventing drill falling in karst exploration |
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| Publication Number | Publication Date |
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| CN214997621U true CN214997621U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120888324.9U Active CN214997621U (en) | 2021-04-28 | 2021-04-28 | Drilling structure for preventing drill falling in karst exploration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396236A (en) * | 2022-03-27 | 2022-04-26 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | A drilling equipment for quarrying for hard rock of outcrop |
-
2021
- 2021-04-28 CN CN202120888324.9U patent/CN214997621U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396236A (en) * | 2022-03-27 | 2022-04-26 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | A drilling equipment for quarrying for hard rock of outcrop |
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