CN210067993U - Water-lock type drilling tool - Google Patents
Water-lock type drilling tool Download PDFInfo
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- CN210067993U CN210067993U CN201920572195.5U CN201920572195U CN210067993U CN 210067993 U CN210067993 U CN 210067993U CN 201920572195 U CN201920572195 U CN 201920572195U CN 210067993 U CN210067993 U CN 210067993U
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Abstract
The utility model discloses a water-locking drilling tool, which comprises a drill rod and a drill bit, wherein the drill bit is in threaded connection with the lower end of the drill rod, a rubber piston is arranged in the drill rod, and the upper end of the drill rod is connected with a balancer through a connector; the balancer comprises an upper valve body, a lower valve body and a valve core, wherein the valve core comprises a screw rod valve core, a compression spring I, an upper spring mounting seat, a lower spring mounting seat and a locking nut; the upper end of the screw rod door core extends into the upper valve body from the lower valve body, and the upper end of the screw rod door core sequentially penetrates through the lower spring mounting seat, the compression spring I and the upper spring mounting seat and then is connected with the locking nut, wherein the lower spring mounting seat is connected with the lower valve body; the lower end core of the screw rod door core is positioned in the lower valve body, the lower end core of the screw rod door core is arranged between the water outlet channel and the water inlet channel, and the water inlet channel is communicated with the water injection hole formed in the side wall of the lower valve body. The utility model discloses simple structure, easy dismounting, the sample reaches the unloading convenience.
Description
Technical Field
The utility model relates to a drilling rod, more specifically say, relate to a water-lock formula drilling tool.
Background
The drilling is an important means for acquiring physical geological data in geological exploration and environmental soil sampling work, the drilling work not only requires improvement of drilling efficiency, but also ensures the quality of samples taken by the drilling work, and the quality of the samples directly influences the analysis of geology and environmental soil, so that how to take complete and accurate and reliable physical geological data from a drill hole is one of key technologies of the drilling work.
Disclosure of Invention
1. Technical problem to be solved by the utility model
An object of the utility model is to overcome foretell not enough, provide a water-lock formula drilling tool, adopt the utility model discloses a technical scheme, simple structure, easy dismounting, the sample reaches the convenience of unloading, and soil sample fidelity is high.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a water-lock drilling tool, which comprises a drill rod and a drill bit, wherein the drill bit is in threaded connection with the lower end of the drill rod, a rubber piston is arranged in the drill rod, and the upper end of the drill rod is in threaded connection with a balancer through a connector; the balancer comprises an upper valve body which can be in threaded connection with the connecting rod, a lower valve body which can be in threaded connection with the connecting head and a valve core, wherein the valve core comprises a screw door core, a compression spring, an upper spring mounting seat, a lower spring mounting seat and a locking nut; the upper end of the screw rod door core extends into the upper valve body from the lower valve body, and the upper end of the screw rod door core sequentially penetrates through the lower spring mounting seat, the compression spring I and the upper spring mounting seat and then is in threaded connection with the locking nut, wherein the lower spring mounting seat is in threaded connection with the lower valve body; the lower end core of the screw rod door core is positioned in the lower valve body, the lower end core of the screw rod door core is arranged between the water outlet channel and the water inlet channel, and the water inlet channel is communicated with the water injection hole formed in the side wall of the lower valve body.
Furthermore, the valve further comprises a compression rod and a connecting rod, wherein the lower end of the connecting rod is a lower threaded connecting section which is in threaded connection with the upper valve body, and the upper end of the connecting rod is an upper threaded connecting section which is in threaded connection with the lower threaded connecting section; the compression rod is arranged in the connecting rod and comprises a steel rod and a PVC pipe, and hollow steel caps are fixedly arranged at two ends of the PVC pipe; the upper end of the steel rod penetrates through the hollow steel cap, the compression spring II and the pressing block and then is connected with the pin shaft.
Furthermore, the connecting rods are provided with at least two connecting rods, the compression rod is arranged in the connecting rods, at least one support inner rod is arranged between the compression rod and the balancer, and the support inner rod is composed of a PVC pipe and hollow steel caps fixedly arranged at two ends of the PVC pipe.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) the utility model discloses a water-lock type drilling tool, its simple structure, easy dismounting, the drilling rod is bored down, soil gets into in the drilling rod under the pressure effect to promote rubber piston and discharge water from water filling port or equalizer upper end exhalant canal, until rubber piston moves from the drilling rod bottom end to the top end, accomplish the sample work, unload the drill bit again, water pours into from the water filling hole and promotes rubber piston, and then discharges the soil sample, it is convenient to sample and unload the appearance, the soil sample fidelity is high;
(2) the utility model discloses a water-lock formula drilling tool, its equalizer simple structure, easy dismounting, application of force when needing water self-balancing ware upper end exhalant canal to discharge is on the screw rod door core, compression spring I compression, and the screw rod door core moves down, exhalant canal and inhalant canal intercommunication.
Drawings
Fig. 1 is a schematic structural view of a water-lock type drilling tool according to the present invention;
fig. 2 is a schematic structural view of a compression rod in a water-lock type drilling tool according to the present invention;
fig. 3 is a schematic structural diagram of a balancer in a water-lock drilling tool according to the present invention.
The reference numerals in the schematic drawings illustrate: 1. a drill stem; 2. a drill bit; 3. a rubber piston; 4. a connector; 5. a connecting rod; 61. an upper valve body; 62. a lower valve body; 621. a water outlet channel; 622. a water inlet channel; 623. a water injection hole; 63. a screw door core; 64. compressing a spring I; 65. an upper spring mounting seat; 66. a lower spring mounting seat; 67. locking the nut; 7. PVC pipes; 8. a hollow steel cap; 9. a steel rod; 10. a compression spring II; 11. briquetting; 12. and (7) a pin shaft.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Examples
With reference to fig. 1, 2 and 3, the water-lock drilling tool of the present embodiment includes a drill rod 1 and a drill bit 2, the drill bit 2 is in threaded connection with the lower end of the drill rod 1, a rubber piston 3 is arranged in the drill rod 1, and the upper end of the drill rod 1 is in threaded connection with a balancer through a connector 4; the balancer comprises an upper valve body 61 which can be in threaded connection with the connecting rod 5, a lower valve body 62 which can be in threaded connection with the connecting head 4 and a valve core, wherein the valve core comprises a screw valve core 63, a compression spring I64, an upper spring mounting seat 65, a lower spring mounting seat 66 and a locking nut 67, the lower valve body 62 is inserted into the upper valve body 61, and the lower valve body 62 is in threaded connection with the upper valve body 61; the upper end of the screw rod door core 63 extends into the upper valve body 61 from the lower valve body 62, the upper end of the screw rod door core 63 sequentially penetrates through the lower spring mounting seat 66, the compression spring I64 and the upper spring mounting seat 65 and then is in threaded connection with the locking nut 67, and the lower spring mounting seat 66 is in threaded connection with the lower valve body 62; the lower end core of the screw rod door core 63 is positioned in the lower valve body 62, the lower end core of the screw rod door core 63 is arranged between the water outlet channel 621 and the water inlet channel 622, the water inlet channel 622 is communicated with a water injection hole 623 formed in the side wall of the lower valve body 62, after the assembly of the drill rod, the drill bit and the balancer is completed, a power head of the drilling machine is connected with the balancer, water enters the drill rod from the water injection hole and the water inlet channel and pushes a rubber piston to move to the lowest end in the drill rod, the drilling machine works, the drill rod starts to drill downwards, soil completely enters the cavity of the drill rod under the action of pressure, water in the cavity of the drill rod is continuously discharged from the water injection hole, the drill rod is lifted upwards after the first; after the drill bit is unloaded, water is injected into the balancer, the water pressure pushes the rubber piston to the lowest end in the drill rod, the high-fidelity original soil is discharged from the cavity of the drill rod, and the coring semi-pipe bracket runs along with the speed of soil discharge to be taken out or enters the coring pipe when the high-fidelity original soil is discharged;
after the first drilling is finished, a rubber piston is arranged in a drill rod cavity and pushed to the lower end of a balancer, a drill bit is arranged on the drill rod, then water is injected into the balancer, the rubber piston is pushed to the lowest end in the drill rod cavity by water pressure, the drill rod cavity is filled with water, and a movable screw plug is used for screwing and plugging a water injection port; the lower end of the connecting rod 5 is a lower threaded connecting section for being in threaded connection with the upper valve body 61, and the upper end of the connecting rod 5 is an upper threaded connecting section for being in threaded connection with the lower threaded connecting section; the lower end of the connecting rod 5 is connected with a balancer, the compression rod is arranged in the connecting rod 5 and comprises a steel rod 9 and a PVC pipe 7, and hollow steel caps 8 are fixedly arranged at two ends of the PVC pipe 7; the upper end of the steel rod 9 passes through the hollow steel cap 8, the compression spring II 10 and the pressing block 11 and then is connected with the pin shaft 12; the compression rod is inserted into the connecting rod 5, and the compression rod is abutted against the screw door core 63 in the balancer, the upper end of the connecting rod 5 is connected with the power head of the drilling machine, and the pressure difference exists between the upper end of the connecting rod 5 and the power head of the drilling machine, the compression rod in the cavity of the connecting rod generates downward pressure under the action of the compression spring II 10 after the connection and transmits the downward pressure to the lower end of the compression rod, because the spring force of the compression rod is greater than that of the balancer, so that the lower end of the connecting rod pushes the screw rod door core 63 of the balancer open, the power head of the drilling machine is started, the drill rod starts to drill downwards, the soil is completely filled into the drill rod cavity under the action of pressure, water in the drill rod cavity is continuously discharged into the connecting rod from the door core opening of the screw rod due to the opening state of the door core of the screw rod, the drill rod is lifted up after the second drill is finished, the connecting rod is disassembled, the compression rod is lifted up, after the drill rod is connected with a power head of a drilling machine, the drill rod is lifted upwards, and the drill rod and the ground form an angle of 45 degrees by utilizing the function of the drilling machine; the movable screw plug is disassembled, water is injected into the balancer after the drill bit is disassembled, the water pressure pushes the rubber piston to the lowest end, high-fidelity original soil is discharged from the drill rod cavity, and the coring semi-pipe bracket runs along with the speed of soil discharge to be taken out or enters the coring pipe when the high-fidelity original soil is discharged;
after the second drilling is finished, a rubber piston is arranged in a drill rod cavity and pushed to the lower end of the balancer, a drill bit is arranged on the drill rod, then water is injected into the balancer, the rubber piston is pushed to the lowest end in the drill rod cavity by water pressure, the drill rod cavity is filled with water, and a movable screw plug is used for screwing and plugging a water injection port; according to the requirement, two connecting rods 5 are connected at the upper end of a drill rod, a compression rod is inserted into the connecting rods 5, a support inner rod is arranged between the compression rod and a balancer and consists of a PVC pipe 7 and hollow steel caps 8 fixedly arranged at two ends of the PVC pipe, the upper end of the connecting rod 5 is connected with a power head of a drilling machine, pressure difference exists between the upper end of the connecting rod 5 and the power head of the drilling machine, the compression rod in a connecting rod cavity generates downward pressure under the action of a compression spring II 10 after connection and is transmitted to the lower end of the compression rod, because the spring force of the compression rod is greater than that in the balancer, the lower end of the connecting rod pushes open a screw rod door core 63 of the balancer, the power head of the drilling machine is started, the drill rod starts to drill downward, soil completely enters the drill rod cavity under the action of the pressure, water in the drill rod cavity is continuously, the connecting rod is disassembled, the compression rod and the support inner rod are lifted, the drill rod is lifted after being connected with the power head of the drilling machine, and the drill rod and the ground form an angle of 45 degrees by utilizing the function of the drilling machine; the movable screw plug is disassembled, water is injected into the balancer after the drill bit is disassembled, the water pressure pushes the rubber piston to the lowest end, high-fidelity original soil is discharged from the drill rod cavity, and the coring semi-pipe bracket runs along with the speed of soil discharge to be taken out or enters the coring pipe when the high-fidelity original soil is discharged; and increasing the number of the connecting rods and the support inner rods according to the drilling depth, and repeating the steps.
The utility model discloses a water-lock formula drilling tool, simple structure, easy dismounting, the sample reaches the unloading convenience, and soil sample fidelity is high.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (3)
1. A water-lock drilling tool, comprising a drill rod (1) and a drill bit (2), characterized in that: the drill bit (2) is in threaded connection with the lower end of the drill rod (1), a rubber piston (3) is arranged in the drill rod (1), and the upper end of the drill rod (1) is in threaded connection with the balancer through a connector (4); the balancer comprises an upper valve body (61) which can be in threaded connection with the connecting rod (5), a lower valve body (62) which can be in threaded connection with the connecting head (4) and a valve core, wherein the valve core comprises a screw rod valve core (63), a compression spring I (64), an upper spring mounting seat (65), a lower spring mounting seat (66) and a locking nut (67), the lower valve body (62) is inserted into the upper valve body (61), and the lower valve body (62) is in threaded connection with the upper valve body (61); the upper end of the screw rod door core (63) extends into the upper valve body (61) from the lower valve body (62), the upper end of the screw rod door core (63) sequentially penetrates through the lower spring mounting seat (66), the compression spring I (64) and the upper spring mounting seat (65) and then is in threaded connection with the locking nut (67), and the lower spring mounting seat (66) is in threaded connection with the lower valve body (62); the lower extreme core of screw rod door core (63) be located valve body (62) down, and the lower extreme core of screw rod door core (63) sets up between exhalant canal (621) and inhalant canal (622), inhalant canal (622) with set up water injection hole (623) intercommunication on valve body (62) lateral wall down.
2. A water-lock drilling tool as claimed in claim 1, wherein: the compression valve further comprises a compression rod and a connecting rod (5), the lower end of the connecting rod (5) is a lower threaded connecting section which is in threaded connection with the upper valve body (61), and the upper end of the connecting rod (5) is an upper threaded connecting section which is in threaded connection with the lower threaded connecting section; the compression rod is arranged in the connecting rod (5) and comprises a steel rod (9) and a PVC pipe (7), and hollow steel caps (8) are fixedly arranged at two ends of the PVC pipe (7); the upper end of the steel rod (9) passes through the hollow steel cap (8), the compression spring II (10) and the pressing block (11) and then is connected with the pin shaft (12).
3. A water-lock drilling tool as claimed in claim 2, wherein: connecting rod (5) be equipped with two at least, compression pole locate in connecting rod (5), be provided with pole in at least one support between compression pole and the equalizer, pole in the support constitute by PVC pipe (7) and hollow steel cap (8) that set firmly in PVC pipe (7) both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920572195.5U CN210067993U (en) | 2019-04-25 | 2019-04-25 | Water-lock type drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920572195.5U CN210067993U (en) | 2019-04-25 | 2019-04-25 | Water-lock type drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210067993U true CN210067993U (en) | 2020-02-14 |
Family
ID=69448818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920572195.5U Active CN210067993U (en) | 2019-04-25 | 2019-04-25 | Water-lock type drilling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210067993U (en) |
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2019
- 2019-04-25 CN CN201920572195.5U patent/CN210067993U/en active Active
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