CN212509519U - Rotary sealing device of water-gas dual-purpose drill rod driving main shaft - Google Patents
Rotary sealing device of water-gas dual-purpose drill rod driving main shaft Download PDFInfo
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- CN212509519U CN212509519U CN202021244526.1U CN202021244526U CN212509519U CN 212509519 U CN212509519 U CN 212509519U CN 202021244526 U CN202021244526 U CN 202021244526U CN 212509519 U CN212509519 U CN 212509519U
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- main shaft
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- drill rod
- pipe
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Abstract
The utility model provides a rotary sealing device of dual-purpose drilling rod drive main shaft of water and gas, including overcoat and pressure cover, set up a centre bore that is used for the upper end of drilling rod drive main shaft to run through on the overcoat, the upper portion of centre bore is a step hole, be provided with a set of V clamp fabric rubber seal circle in the step hole, be provided with two ring channels that are located step hole below on the lateral wall of centre bore, be provided with Y shape sealing washer in the ring channel, it includes upper junction plate and pressure pipe to press the cover, pressure pipe and upper junction plate fixed connection, the lower part cover of pressure pipe is put downtheholely at the step, the upper portion cover of drilling rod drive main shaft is put under in the pressure pipe, set up one on the upper junction plate and press the coaxial threaded. The sealing device realizes two-stage sealing on the upper part of the drill rod driving main shaft by utilizing the V-shaped fabric rubber sealing ring and the Y-shaped sealing ring, thereby effectively solving the problem of leakage at the butt joint of the drill rod driving main shaft and the conveying pipe of an air source or a water source and further being beneficial to the efficient drilling operation of a drilling machine.
Description
Technical Field
The utility model relates to a rotary sealing device of dual-purpose drilling rod drive main shaft of aqueous vapor.
Background
When a water well is drilled by a water-gas dual-purpose drilling machine, air or water with certain pressure is generally input into the bottom of the well through an inner hole of a drill rod, so that the soil is conveyed outwards. When a well is drilled, the conveying pipe of the air source or the water source is static, the drill rod moves continuously, and certain pressure and working temperature exist at the joint of the drill rod and the conveying pipe of the air source or the water source, so that the problem of air or water leakage often occurs when the drill rod is contacted with the conveying pipe of the air source or the water source, the pressure of the air or water is reduced when the air or water leaks, the conveying capacity of the air or water is reduced, and the drilling efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotary seal device of dual-purpose drilling rod drive main shaft of aqueous vapor, this sealing device utilizes V-arrangement clamp fabric rubber seal circle and Y shape sealing washer to realize that the two-stage is sealed to drilling rod upper portion to effectively solved the butt joint department leakage problem of the conveyer pipe at drilling rod and air source or water source, do benefit to the rig high efficiency then and carry out the drilling operation.
The utility model provides a technical scheme that its technical problem adopted is: the rotary sealing device comprises an outer sleeve and a pressing sleeve, wherein a central hole for penetrating through the upper end of a drill rod driving main shaft is formed in the outer sleeve, a step hole is formed in the upper portion of the central hole, a group of V-shaped fabric rubber sealing rings are arranged in the step hole, two annular grooves located below the step hole are formed in the side wall of the central hole, Y-shaped sealing rings are arranged in the annular grooves, the pressing sleeve comprises an upper connecting plate and a pressing pipe, the pressing pipe is fixedly arranged on the lower portion of the upper connecting plate, the lower portion of the pressing pipe is sleeved in the step hole and is coaxial with the step hole, the upper portion of the drill rod driving main shaft is sleeved in the pressing pipe, and a threaded connecting hole coaxial with the pressing pipe is formed in the upper connecting plate.
Preferably, the upper connecting plate and the outer sleeve are fixedly connected through bolts.
Furthermore, the number of the sealing rings in the V-shaped clamp fabric rubber sealing ring is N, wherein N is more than or equal to 3 and less than or equal to 5.
Furthermore, a plurality of first through holes used for fixing the outer sleeve on the power box are formed in the periphery of the outer sleeve.
Furthermore, a framework sealing ring groove positioned below the annular groove is arranged on the side wall of the central hole.
Furthermore, a bearing groove located below the framework sealing ring groove is arranged on the side wall of the central hole.
The utility model has the advantages that: the utility model has simple structure and convenient processing and manufacturing; through the roof pressure of pressing the cover to V clamp fabric rubber seal, can realize that the sealing ring in the V clamp fabric rubber seal realizes closely laminating with drilling rod drive main shaft lateral wall, thereby can realize sealing the air or the water that overflows from drilling rod drive main shaft upper portion, then realized the sealed of drilling rod drive main shaft and the conveyer pipe butt joint department at air source or water source, furtherly, through the sealed effect of Y shape sealing washer, can further improve the sealed effect of drilling rod drive main shaft and the conveyer pipe butt joint department at air source or water source, thereby sealed the leakage problem of drilling aqueous vapor provides the guarantee for effectively solving.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some of the preferred embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the pressing sleeve;
FIG. 3 is a schematic view of the overall structure of the jacket;
fig. 4 is a sectional view of the application state of the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 1;
FIG. 6 is an enlarged view of FIG. 4 at B;
in the figure: the drill rod comprises an outer sleeve 1, a step hole 11, an annular groove 12, a framework sealing ring groove 13, a bearing groove 14, a first through hole 15, a second threaded hole 16, a pressing sleeve 2, an upper connecting plate 21, a threaded connecting port 211, a second through hole 212, a pressing pipe 22, a pressing ring 31, a sealing ring 32, a supporting ring 33, a sealing ring 4Y and a drill rod 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following specific embodiments and accompanying drawings 1 to 6, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. Those skilled in the art can make similar variations without departing from the spirit of the invention, and therefore the invention is not limited by the specific embodiments disclosed below.
The utility model provides a rotary sealing device (as shown in figure 1) of a water-gas dual-purpose drill rod driving main shaft, which comprises an outer sleeve 1 and a pressing sleeve 2, wherein the outer sleeve 1 is provided with a center hole for the upper end of the drill rod driving main shaft 5 to penetrate through, the drill rod driving main shaft 5 can freely rotate in the center hole, the upper part of the center hole is a step hole 11, a group of V-shaped clamp fabric rubber sealing rings are arranged in the step hole 11, the V-shaped clamp fabric rubber sealing rings are sealing elements commonly used in the field and mainly comprise a pressing ring 31, a sealing ring 32 and a supporting ring 33, when in application, the pressing ring 31 presses the multilayer sealing ring 32 on the supporting ring 33 by the action of external force, the sealing ring 32 is tightly attached to the corresponding side wall of the shaft after being pressed, so as to realize the side wall sealing of the shaft, in the specific embodiment, the number of the sealing rings 32 in the V-shaped clamp fabric rubber sealing, here, the number of N is set to 3. Two annular grooves 12 positioned below the stepped hole 11 are formed in the side wall of the central hole, a Y-shaped sealing ring 4 is arranged in each annular groove 12, and in practical application, the Y-shaped sealing ring 4 is tightly attached to the side wall of the drill rod driving main shaft 5, so that the side wall of the drill rod driving main shaft 5 is sealed. The pressing sleeve 2 comprises an upper connecting plate 21 and a lower pressing pipe 22, the lower pressing pipe 22 is fixedly arranged on the lower portion of the upper connecting plate 21, the lower portion of the lower pressing pipe 22 is sleeved in the stepped hole 11, the lower pressing pipe 22 is coaxial with the stepped hole 11, in practical application, the V-shaped clamp fabric sealing ring in the stepped hole 11 can be pressed and fixed through continuous downward movement of the lower pressing pipe 22, the upper portion of the drill rod driving spindle 5 is sleeved in the lower pressing pipe 22, a threaded connecting port 211 coaxial with the lower pressing pipe 22 is arranged on the upper connecting plate 21, the threaded connecting port 211 is used for being connected with a conveying pipeline of a gas source or a water source, and the gas source or the water source with certain pressure enters a flow pipeline of the drill rod driving spindle 5 through the threaded connecting port 211.
In practical application, fixed connection is realized through the bolt to upper junction plate 21 and overcoat 1, it is concrete, be provided with a plurality of along the second through-hole 212 of the circumferencial direction evenly distributed of screw-thread refining level mouth 211 on upper junction plate 21, be provided with a plurality of second screw holes 16 corresponding with through-hole 212 on overcoat 2, the bolt runs through behind second through-hole 212, screw up in corresponding second screw hole 6 and realize pressing the fixed connection of cover 2 and overcoat 1, constantly compress tightly the in-process of upper junction plate 21 at the bolt, it is fixed to compress tightly of V clamp fabric rubber seal to push down pipe 22 realization, then make each sealing ring 32 closely laminate with the lateral wall of drilling rod drive main shaft 5, then realize sealing action.
The periphery of the outer sleeve 1 is provided with a plurality of first through holes 15 used for fixing the outer sleeve 1 on the power box, and after the first through holes 15 are penetrated through bolts, the first through holes are screwed in corresponding threaded holes on the power box, so that the outer sleeve 1 is fixedly connected on the power box.
In practical application, the upper portion cover of drilling rod drive main shaft 5 is put in overcoat 1 and push down pipe 22, and the lower part setting of drilling rod drive main shaft 5 is in the headstock, for the stable rotation of realization drilling rod drive main shaft 5 in overcoat 1, here, set up one on the lateral wall of centre bore and be located skeleton sealing washer groove 13 of ring channel 12 below, simultaneously, set up one on the lateral wall of centre bore and be located bearing groove 14 of skeleton sealing washer groove 13 below is provided with the skeleton sealing washer in skeleton sealing washer 13, is provided with the bearing of cover in the drilling rod drive main shaft 5 outside in bearing groove 14, utilizes the bearing to realize spacing of drilling rod drive main shaft 5, utilizes the skeleton sealing washer to realize the isolation of the interior machine oil of headstock sealed.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
The above description is provided for the preferred embodiments and examples of the present invention with reference to the accompanying drawings, but the present invention is not limited to the above embodiments and examples, and it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit of the present invention, and these modifications and variations should be construed as the protection scope of the present invention.
Claims (6)
1. The rotary sealing device is characterized by comprising an outer sleeve and a pressing sleeve, wherein the outer sleeve is provided with a central hole for penetrating through the upper end of a drill rod driving main shaft, the upper portion of the central hole is a step hole, a group of V-shaped fabric rubber sealing rings are arranged in the step hole, two annular grooves below the step hole are formed in the side wall of the central hole, Y-shaped sealing rings are arranged in the annular grooves, the pressing sleeve comprises an upper connecting plate and a lower pressing pipe, the lower pressing pipe is fixedly arranged on the lower portion of the upper connecting plate, the lower portion of the lower pressing pipe is sleeved in the step hole and is coaxial with the step hole, the upper portion of the drill rod driving main shaft is sleeved in the lower pressing pipe, and a threaded connector coaxial with the lower pressing pipe is arranged on the upper connecting plate.
2. The rotary sealing device of the water-gas dual-purpose drill pipe driving spindle as claimed in claim 1, wherein the upper connecting plate and the outer sleeve are fixedly connected through bolts.
3. The rotary sealing device of the water-gas dual-purpose drill rod driving spindle as claimed in claim 2, wherein the number of the sealing rings in the V-shaped clamp fabric rubber sealing ring is N, and N is more than or equal to 3 and less than or equal to 5.
4. The rotary sealing device for the water-gas dual-purpose drill pipe driving spindle as claimed in claim 3, wherein a plurality of first through holes for fixing the outer sleeve on the power box are formed in the periphery of the outer sleeve.
5. The rotary sealing device of the water-gas dual-purpose drill pipe driving spindle as claimed in claim 4, wherein a framework sealing ring groove located below the annular groove is formed in the side wall of the central hole.
6. The rotary sealing device of a water-gas dual-purpose drill pipe driving spindle as claimed in claim 5, wherein a bearing groove is formed on a side wall of the central hole and positioned below the skeleton seal ring groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244526.1U CN212509519U (en) | 2020-06-30 | 2020-06-30 | Rotary sealing device of water-gas dual-purpose drill rod driving main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244526.1U CN212509519U (en) | 2020-06-30 | 2020-06-30 | Rotary sealing device of water-gas dual-purpose drill rod driving main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212509519U true CN212509519U (en) | 2021-02-09 |
Family
ID=74432520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021244526.1U Active CN212509519U (en) | 2020-06-30 | 2020-06-30 | Rotary sealing device of water-gas dual-purpose drill rod driving main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212509519U (en) |
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2020
- 2020-06-30 CN CN202021244526.1U patent/CN212509519U/en active Active
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