CN210033320U - Portable geological twist drill easy to disassemble and assemble - Google Patents
Portable geological twist drill easy to disassemble and assemble Download PDFInfo
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- CN210033320U CN210033320U CN201920662993.7U CN201920662993U CN210033320U CN 210033320 U CN210033320 U CN 210033320U CN 201920662993 U CN201920662993 U CN 201920662993U CN 210033320 U CN210033320 U CN 210033320U
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Abstract
The utility model discloses a portable geology twist drill of quick detachable installation, including T type swing arm, connection drilling rod and the twist drill of grafting fixation, the interface end of connecting the drilling rod is equipped with the block portion, and the insertion end is equipped with the sticking department that matches with the block portion, the insertion end of T type swing arm is equipped with the sticking department, the interface end of twist drill is equipped with the block portion; the clamping part comprises a guide groove arranged on the interface end and a plurality of square clamping grooves arranged on one side of the guide groove; the locking part comprises a square protruding block fixedly arranged on the outer wall of the insertion end and matched with the square clamping groove, and a limiting strip which is arranged on the outer wall of the insertion end and matched with the guide groove in a sliding mode, and the width of the square protruding block is slightly smaller than that of the guide groove. Utilize the utility model discloses, can be more convenient dismantle, install and shell the sample of taking soil, improve probing efficiency.
Description
Technical Field
The utility model belongs to the technical field of geotechnical engineering exploration equipment technique and specifically relates to a portable geology fluted drill of quick detachable installation is related to.
Background
In the electrical engineering geotechnical engineering exploration such as transmission lines, the geological twist drill is widely applied. Geological twist drills are generally operated by 3-4 persons manually and can be used for coring and drilling shallow cohesive soil layers, but due to the fact that existing twist drills are inconvenient to detach and install and strip soil samples from twist drills, drilling efficiency is low, manpower consumption is high, and expected exploration targets are difficult to achieve.
The traditional twist drill is characterized in that drill rods of the traditional twist drill and a T-shaped rotary rod at the upper part of the traditional twist drill are connected and fixed by screw threads, the screw threads are tightened with the drill in the drilling process, and a plurality of pipe tongs are generally used for disassembling; and when drilling into hard soil layers or sandy soil, the drill bit can be reversed when being difficult to lift, so that the rod is easy to fall off, and drilling accidents occur. The general probing depth of traditional fluted drill is within 5m, because when the hole depth was too dark, the drilling rod was connected length and is longer to add dismantlement and installation inconvenience, and fluted drill result of use is not good. In addition, the cohesive soil attached to the twist drill bit is difficult to strip, and the hands are injured by repeatedly stripping the soil with hands.
Chinese patent publication No. CN106017981A discloses a portable twist drill soil sample collector, which comprises a connecting drill rod, a tunneling drill rod, a soil sample collecting box and a T-shaped rotary rod, wherein the T-shaped rotary rod is connected with the connecting drill rod through a bolt and locked by a pin, and the soil sample collecting box is installed between the tunneling drill rod and the connecting drill rod or between the tunneling drill rod and the connecting drill rod and locked by a bolt and a pin. Although the twist drill collects soil samples, the twist drill has the problem of inconvenient installation and disassembly.
SUMMERY OF THE UTILITY MODEL
The utility model provides a portable geology fluted drill of quick detachable installation, can be more convenient dismantle, install and shell the sample of getting soil, improve probing efficiency.
The technical scheme of the utility model as follows:
a portable geological twist drill easy to disassemble and assemble comprises a T-shaped rotary rod, a connecting drill rod and a twist drill bit, wherein the T-shaped rotary rod is fixedly inserted in the T-shaped rotary rod, the connecting drill rod is connected with the twist drill bit through a connecting piece, a clamping part is arranged at an inserting end of the connecting drill rod, a locking part matched with the clamping part is arranged at the inserting end of the T-shaped rotary rod, and a clamping part is arranged at an interface end of the twist drill bit;
the clamping part comprises a guide groove arranged on the interface end and a plurality of square clamping grooves arranged on one side of the guide groove;
the locking part comprises a square protruding block fixedly arranged on the outer wall of the insertion end and matched with the square clamping groove, and a limiting strip which is arranged on the outer wall of the insertion end and matched with the guide groove in a sliding mode, and the width of the square protruding block is slightly smaller than that of the guide groove.
When the locking part is installed, the square convex block of the locking part is inserted into the clamping part along the guide groove, and after the square convex block is aligned with the square clamping groove, the square convex block is rotated towards the direction of the square clamping groove, so that the square convex block is clamped with the square clamping groove; then the limiting strip of the locking part slides to the guide groove, and the square convex block is locked in the square clamping groove. When the square clamping groove is disassembled, the limiting strip slides out of the guide groove, and then the square lug and the square clamping groove are separated after being rotated.
Preferably, a telescopic limiting device is fixed on the limiting strip, a telescopic spring is arranged in the middle of the telescopic limiting device, short rods are arranged on two sides of the telescopic limiting device, and limiting holes matched with the short rods are formed in the outer wall of the insertion end and the guide grooves of the interface end. Through setting up flexible stop device for the latched position of spacing strip is controllable, can lock spacing strip when spacing strip slides to the guide way, has strengthened inserting the connection stability of end and interface end.
In order to enable the limiting strip to slide from the insertion end to the guide groove of the interface end more smoothly during sliding, strip-shaped protrusions are arranged on two sides of the limiting strip, and grooves matched with the strip-shaped protrusions are formed in the outer wall of the insertion end and the guide groove of the interface end.
In order to guarantee the connection strength and stability, the number of the square clamping grooves and the number of the square convex blocks are two.
Preferably, the square locking groove on the locking part is arranged on the right side of the guide groove. The right direction refers to looking from the insertion end to the interface end. Because the twist drill is generally along clockwise rotation when tunnelling downwards, sets up the square draw-in groove in the right side of guide way for during the tunnelling downwards of twist drill, square lug and square draw-in groove keep inseparable block state always.
Preferably, both ends and the middle part of the T-shaped rotary rod are provided with force application rod insertion holes. The stress application rod insertion hole is used for inserting the stress application rod when the drill is difficult to lift, so that a plurality of people can conveniently lift the drill rod by force to obtain a soil sample. The length of the forcing rod can be set and selected according to actual conditions.
Preferably, the connecting drill rod is provided with a graduated scale, so that the drilling depth can be conveniently calculated. The outer diameter of the connecting drill rod is 25-30 mm.
The utility model discloses in, still set up supporting earth stripping device for portable geology twist drill, earth stripping device comprises square sheet metal and supporting leg, the center of square sheet metal be provided with the hole that twist drill cross-sectional shape is the same, the length of supporting leg is greater than twist drill's length.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses an improve between the connection drilling rod, T type swing arm and be connected between the drilling rod, be connected the fixed mode of being connected between drilling rod and the fluted drill for the drilling rod is dismantled, the installation is simple swift, can carry the brill limit to dismantle, bore the limit installation under the limit, the drilling rod can not in time dismantle when can not having the brill again and lead to connecting the length overlength, the dangerous condition that many people are difficult to hold, thereby can increase the drilling depth and the probing efficiency of fluted drill by a wide margin.
2. The utility model discloses a set up the booster bar jack in T type swing arm, can insert the booster bar when being difficult to carry the brill to make things convenient for many people to carry and pull out hard simultaneously.
3. The utility model discloses a set up convenient device of shelling, weaken engineering technical personnel intensity of labour, improve work efficiency.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a T-shaped rotating rod in an embodiment of the present invention;
FIG. 3 is a schematic structural view of a connection drill rod according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a twist drill according to an embodiment of the present invention;
FIG. 5 is a schematic view of the engaging portion shown in FIG. 2;
FIG. 6 is a schematic view of the locking portion of FIG. 2;
fig. 7 is a schematic structural view of the telescopic limiting device in the embodiment of the present invention;
fig. 8 is a schematic structural view of an earth stripping device in an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a square thin plate in the soil stripping device.
Detailed Description
The invention will be described in further detail with reference to the following figures and examples, which are intended to facilitate the understanding of the invention without limiting it.
As shown in fig. 1, the portable geological twist drill easy to disassemble and install comprises a T-shaped rotary rod 1, a connecting drill rod 2 and a twist drill 3 which are sequentially inserted and fixed.
As shown in fig. 2, 3 and 4, a locking part 11 is provided at an insertion end of the T-shaped swing lever 1; the interface end of the connecting drill rod 2 is provided with a clamping part 21, and the insertion end is provided with a locking part 22; the interface end of the twist drill 3 is provided with an engaging portion 31. When the drill bit is installed, the locking part 11 on the T-shaped rotary rod 1 is fixedly connected with the engaging part 21 on the connecting drill rod 2, and the locking part 22 on the connecting drill rod 2 is fixedly connected with the engaging part 31 on the twist drill 3.
In this embodiment, the locking portion 11 of the T-shaped rotary rod 1 and the locking portion 22 of the connector drill 2 have the same structural dimensions, and the engaging portion 21 of the connector drill 2 and the engaging portion 31 of the twist drill 3 have the same structural dimensions. Therefore, the structure of the engaging portion and the locking portion will be described in detail below by taking the connection of the drill rod 2 as an example.
As shown in fig. 5, the engaging portion 21 of the connection rod 2 includes a guide groove 211 provided on the interface end and two square engaging grooves 212 on the right side of the guide groove 211; grooves 213 are provided on the rod walls of both sides of the guide groove 211.
As shown in fig. 6, the locking part 22 on the connecting drill rod 2 comprises two square protrusions 221 fixedly arranged on the outer wall of the insertion end and a limiting strip 222 slidably arranged on the outer wall of the insertion end, the square protrusions 221 are matched with the square clamping grooves 212, the limiting strip 222 is matched with the guide grooves 211, and the width of the square protrusions 221 is slightly smaller than that of the guide grooves 211. The two sides of the limiting strip 222 are provided with strip-shaped protrusions 223, the limiting strip 222 is slidably connected with the groove 224 of the locking part and the groove 213 of the clamping part through the strip-shaped protrusions 223, and the square bump 221 is also provided with a groove 225 matched with the square bump.
In this embodiment, the limiting strip 222 is further provided with a telescopic limiting device 4, as shown in fig. 7, the middle of the telescopic limiting device 4 is provided with a telescopic spring 41, the two sides are provided with short rods 42, and correspondingly, the outer wall of the insertion end and the guide groove 211 of the interface end are both provided with limiting holes 43 matched with the short rods 42.
When the locking device is installed, the square protrusion 221 of the locking part is inserted into the clamping part along the guide groove 211, and after the square protrusion 221 is aligned with the square clamping groove 212, the locking device is rotated clockwise, so that the square protrusion 221 is clamped with the square clamping groove 212; then, the telescopic limiting device 4 on the limiting strip 222 is compressed, so that the short rods 42 at the two ends are separated from the limiting holes, the limiting strip 222 is slid to the guide groove, the square bump 221 is locked in the square clamping groove 212, and then the short rods 42 at the two ends of the telescopic limiting device 4 are inserted into the limiting holes 43 again, so that the limiting strip 222 is locked. After the limiting strip 222 is locked, the square protrusion 221 and the square slot 212 are kept in a tight clamping state.
After the limiting strip 222 slides into the guide groove 211 from the insertion end, in order to avoid the vacancy of the limiting strip at the insertion end from being filled with soil to influence the resetting of the limiting strip during the disassembly of the drill rod, a rubber plug with a corresponding shape can be added for plugging.
When disassembling, the telescopic limiting device 4 on the limiting strip 222 is firstly compressed, so that the short rods 42 at the two ends are separated from the limiting holes 43, and then the limiting strip 222 is locked at the locking part after being slid to leave the guide groove 211. And then rotated counterclockwise to disengage the square protrusion 221 from the square slot 212.
The utility model discloses an improve between the connection drilling rod 2, T type swing arm 1 and be connected between the drilling rod 2, connect the fixed mode of being connected between drilling rod 2 and the fluted drill 3, make the drilling rod dismantle, the installation is simple swift, can carry the limit to bore the limit and dismantle, limit is bore the limit installation down, the drilling rod can not in time dismantle when can not having the brill again and lead to connecting the length overlength, many people are difficult to the dangerous condition of holding, thereby can increase the suitability of fluted drill in engineering exploration (dismantle and the installation simplify the back greatly, can increase the drilling depth and the probing efficiency of fluted drill by a wide margin).
As shown in fig. 2, two ends of the T-shaped rotary rod 1 are provided with a force application rod insertion hole 12, and the middle thereof is provided with a through force application rod insertion hole 13 penetrating through the T-shaped rotary rod. The stress application rod jack is used for inserting the stress application rod when the drill is difficult to lift, so that a plurality of people can conveniently lift the drill rod by force to obtain a soil sample, and the length of the stress application rod can be set and selected according to actual conditions.
As shown in fig. 8 and 9, the portable geological twist drill is provided with a matched soil stripping device 5, the soil stripping device 5 is composed of a square thin plate 51 and four supporting legs 52, a hole 53 with the same cross section shape as that of the twist drill 3 is arranged in the center of the square thin plate 51, and the length of the supporting legs 52 is larger than that of the twist drill 3. Twist drill 3 is connected through being connected drilling rod 2 with upper portion, alright drill boring, and the in-process of drilling, soil sample will be from shallow to in the middle of the dark recess that attaches to twist drill 3, and after soil sample attached fully in the drill bit recess, alright the play is bored, will aim at the drill bit after the play and shell the hole 53 that corresponds with 3 shape of twist drill on the native device 5, down again and rotatory drilling rod drives the rotation of twist drill 3, can follow the drill bit with soil sample and peel off.
The above-mentioned embodiment is to the technical solution and the beneficial effects of the present invention have been described in detail, it should be understood that the above is only the specific embodiment of the present invention, not used for limiting the present invention, any modification, supplement and equivalent replacement made within the principle scope of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A portable geological twist drill easy to disassemble and assemble comprises a T-shaped rotary rod, a connecting drill rod and a twist drill bit, wherein the T-shaped rotary rod is fixedly inserted in the T-shaped rotary rod;
the clamping part comprises a guide groove arranged on the interface end and a plurality of square clamping grooves arranged on one side of the guide groove;
the locking part comprises a square protruding block fixedly arranged on the outer wall of the insertion end and matched with the square clamping groove, and a limiting strip which is arranged on the outer wall of the insertion end and matched with the guide groove in a sliding mode, and the width of the square protruding block is slightly smaller than that of the guide groove.
2. The portable geological twist drill easy to mount and dismount as claimed in claim 1, wherein a telescopic limiting device is fixed on the limiting strip, a telescopic spring is arranged in the middle of the telescopic limiting device, short rods are arranged on two sides of the telescopic limiting device, and limiting holes matched with the short rods are arranged on the outer wall of the insertion end and the guide groove of the interface end.
3. The portable geological twist drill easy to mount and dismount as claimed in claim 1, wherein strip-shaped protrusions are arranged on two sides of the limiting strip, and grooves matched with the strip-shaped protrusions are arranged on the outer wall of the insertion end and the guide groove of the interface end.
4. The readily detachably mountable portable geological twist drill according to claim 1, wherein the number of square pockets and square projections is two.
5. The portable geological twist drill easy to mount and dismount as claimed in claim 1, wherein the square locking groove on the locking portion is disposed at the right side of the guiding groove.
6. The readily detachably mountable portable geological twist drill according to claim 1, wherein both ends and the middle of the T-shaped rotary rod are provided with a force-applying rod insertion hole.
7. The portable geological twist drill easy to mount and dismount as claimed in claim 1, wherein the connecting drill rod is provided with a graduated scale.
8. A portable quick to disassemble and assemble geological twist drill according to claim 1, wherein the outer diameter of the connecting drill rod is 25-30 mm.
9. The portable geological twist drill easy to mount and dismount as claimed in claim 1, wherein the portable geological twist drill further comprises a soil stripping device, the soil stripping device is composed of a square thin plate and a supporting leg, a hole with the same cross-sectional shape as the twist drill is formed in the center of the square thin plate, and the length of the supporting leg is larger than that of the twist drill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920662993.7U CN210033320U (en) | 2019-05-09 | 2019-05-09 | Portable geological twist drill easy to disassemble and assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920662993.7U CN210033320U (en) | 2019-05-09 | 2019-05-09 | Portable geological twist drill easy to disassemble and assemble |
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| Publication Number | Publication Date |
|---|---|
| CN210033320U true CN210033320U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920662993.7U Active CN210033320U (en) | 2019-05-09 | 2019-05-09 | Portable geological twist drill easy to disassemble and assemble |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647853A (en) * | 2020-12-30 | 2021-04-13 | 中国电建集团江西省电力设计院有限公司 | Combined type hand-operated twist drill pulling tool and drilling pulling method thereof |
-
2019
- 2019-05-09 CN CN201920662993.7U patent/CN210033320U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647853A (en) * | 2020-12-30 | 2021-04-13 | 中国电建集团江西省电力设计院有限公司 | Combined type hand-operated twist drill pulling tool and drilling pulling method thereof |
| CN112647853B (en) * | 2020-12-30 | 2023-10-13 | 中国电建集团江西省电力设计院有限公司 | Combined hand twist drill pulling tool and drilling pulling method thereof |
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