CN213683936U - Drilling machine double-rotation trolley with floating sealing gas path joint - Google Patents
Drilling machine double-rotation trolley with floating sealing gas path joint Download PDFInfo
- Publication number
- CN213683936U CN213683936U CN202022827771.1U CN202022827771U CN213683936U CN 213683936 U CN213683936 U CN 213683936U CN 202022827771 U CN202022827771 U CN 202022827771U CN 213683936 U CN213683936 U CN 213683936U
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- Prior art keywords
- main shaft
- floating
- flange
- connecting portion
- gas path
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 44
- 238000005553 drilling Methods 0.000 title claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000009977 dual effect Effects 0.000 claims 5
- 238000009434 installation Methods 0.000 claims 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 230000035939 shock Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 239000011435 rock Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a two rotary trolley of rig that sealed gas circuit of area floated connects, the power distribution box comprises a box body, the main shaft is cavity, the rotation sets up on the box, be provided with first mounting groove on the main shaft inner wall, the one end setting of unsteady flange spare is in the inside of the one end of main shaft, first sealing washer is located first mounting groove, and the cover is established on unsteady flange spare, first sealing washer is including all around setting up the tight portion of subsides that just connect gradually on unsteady flange spare, first connecting portion and second connecting portion, the cross-section of the tight portion of subsides is right angled triangle, and a right angle limit pastes tightly to set up on the outer wall of unsteady flange spare, paste tight portion, form the recess between first connecting portion and the second connecting portion, the recess is towards the pressure shock side. Through the technical scheme, the problems that the rotary sealing ring is easy to age and wear and the sealing effect is poor are solved.
Description
Technical Field
The utility model relates to a rig spare part indicates a two gyration dollies of rig that sealed gas circuit connects that float in area especially.
Background
The roller cone drilling machine is drilling equipment and is mainly used for large-scale surface mines. The open-pit drilling equipment has been developed through 'drill-bit drill', flame drill and percussion (down-the-hole) drill for half a century, and finally the rotary drill becomes the drilling equipment commonly used in large and medium-sized open-pit mines at present due to the advantages of large hole diameter, high drilling efficiency and the like.
When the roller-bit drilling machine drills a hole, a pressurizing and slewing mechanism is used for providing enough axial pressure and slewing torque for the bit through a drill rod, and the roller-bit drilling machine drills and revolves on rocks simultaneously to generate static pressure and impact dynamic pressure on the rocks. The roller cone continuously extrudes, cuts and impacts broken rock in the rolling process of the hole bottom, compressed air with certain pressure and flow velocity is sprayed out from a drill bit nozzle through an inner cavity of the drill rod, and rock slag is continuously blown out of the hole from the hole bottom along an annular space of the drill rod and the hole wall until a drill hole with required hole depth is formed.
At present, the rotary trolley of most rotary drill rigs is fixed in connection with a ventilation pipe, a gas pipe joint is easily damaged by impact, and a rotary sealing ring is easily aged and abraded to influence the sealing effect.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main objective lies in providing a take two gyration dollies of rig that float sealed gas circuit connects to solve the easy ageing wearing and tearing of rotary seal circle, sealed poor problem of effect.
For solving the technical problem, the utility model discloses the technical scheme who takes lies in:
a drilling machine double-rotation trolley with a floating sealing gas path joint comprises:
a box body;
the main shaft is rotatably arranged in the box body, two ends of the main shaft extend out of the box body, a channel is arranged in the main shaft, and a first mounting groove is formed in the inner wall of the main shaft;
the floating flange piece is arranged at one end of the main shaft, and one end of the floating flange piece is positioned in the main shaft;
first sealing washer, first sealing washer is located in the first mounting groove, and the cover is established float flange spare is last, first sealing washer includes:
the sticking part is arranged on the floating flange piece in a surrounding mode, the cross section of the sticking part is in a right-angled triangle shape, and a right-angled edge is tightly stuck to the outer wall of the floating flange piece;
the first connecting part is arranged on the floating flange piece in a surrounding mode, and one end of the first connecting part is connected with the other right-angle side of the close-fitting part;
the second connecting portion, the second connecting portion around setting up on the floating flange spare, and one end with the other end of first connecting portion is connected, paste tight portion first connecting portion with form the recess between the second connecting portion, the recess is towards the pressure impact side.
As a further technical scheme, a plurality of second mounting grooves are arranged on the inner wall of the main shaft, the second mounting grooves and the first mounting grooves are arranged along the axial direction,
and an O-shaped sealing ring is arranged in each second mounting groove and sleeved on the floating flange piece.
As a further technical solution, the method further comprises:
the end cover is arranged on the outer side of the box body, one end of the main shaft penetrates through the end cover, and one end of the floating flange piece moves axially and is arranged on the inner side of the main shaft and penetrates through the end cover.
As a further technical solution, it is proposed that,
a first annular groove is formed in the end cover around the floating flange piece;
the first ring-shaped groove is internally provided with a spring, the spring is sleeved on the floating flange piece, one end of the spring acts on the floating flange piece, and the other end of the spring acts on the bottom of the first ring-shaped groove.
As a further technical solution, the floating flange member includes:
one end of the connecting shaft movably penetrates through the main shaft, and the first sealing ring, the O-shaped sealing ring and the spring are sleeved on the connecting shaft;
the flange plate is arranged at the other end of the connecting shaft, extends out of the top of the end cover and is used for being connected with the flange of the air supply pipe;
the stopper, the stopper is around setting up the outside of connecting axle, and be located the connecting axle is close to the one end of ring flange, the second ring channel has been seted up on the stopper, the one end setting of spring is in just act on in the second ring channel bottom.
As a further technical solution, it is proposed that,
and a sealing gasket is arranged at the top of the flange plate.
As a further technical solution, the method further comprises:
the transmission shafts are rotatably arranged on the two boxes and are respectively positioned on two sides of the main shaft, and the two transmission shafts are respectively connected with a motor for driving the transmission shafts to rotate.
The utility model has the advantages that:
the utility model discloses simple structure, recess through first sealing washer is towards the pressure shock side, and the cross-section is triangle-shaped's the subsides of portion of hugging closely and establishes on the outer wall of floating flange spare, can be intact guarantee not reveal and the sealing washer still can reach sealed effect after wearing and tearing certain degree under the high pressure.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
fig. 3 is a schematic perspective view of the first seal ring.
Description of the reference numerals
0. The utility model provides a blast pipe, 1, the box, 2, the main shaft, 20, first mounting groove, 200, the second mounting groove, 3, floating flange spare, 31, the connecting axle, 32, the ring flange, 33, the stopper, 34, the second ring channel, 4, first sealing washer, 41, the portion of hugging closely, 42, first connecting portion, 43, second connecting portion, 44, the recess, 5, O type sealing washer, 6, the end cover, 7, first ring channel, 8, spring, 9, sealed the pad, 10, the transmission shaft.
Detailed Description
The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1-3, the utility model provides a two rotary trolleys of rig that sealed gas circuit connects that float in area mainly includes box 1, main shaft 2, floating flange spare 3, first sealing washer 4, O type sealing washer 5, end cover 6, spring 8, sealed 9 and transmission shaft 10 of filling up.
The two transmission shafts 10 are respectively connected with a motor, are rotatably arranged on the box body 1, and jointly drive the main shaft 2 to rotate and be arranged in the box body 1, two ends of the main shaft 2 extend out of the box body 1, a channel is arranged inside the box body, the end cover 6 is arranged on the outer wall of the box body 1, one end of the main shaft 2 is arranged in the end cover 6 in a penetrating manner, the floating flange part 3 is arranged at one end of the main shaft 2, the floating flange part 3 comprises a connecting shaft 31, a flange plate 32 and a limiting block 33, one end of the connecting shaft 31 is movably arranged in the main shaft 2 in a penetrating manner, the other end of the connecting shaft extends out of the end cover 6 to be connected with the flange plate 32, a sealing gasket; be provided with annular first mounting groove 20 and a plurality of second mounting groove 200 along the axial on the 2 inner walls of main shaft, be provided with first sealing washer 4 in the first mounting groove 20, be provided with an O type sealing washer 5 in every second mounting groove 200, first sealing washer 4 and O type sealing washer 5 are all established on connecting axle 31, first sealing washer 4 is including all around setting up on floating flange spare 3 and the tight portion 41 of subsides that connects gradually, first connecting portion 42 and second connecting portion 43, the cross-section of the tight portion 41 of subsides is right angled triangle, and a right angle side pastes tightly and sets up on floating flange spare 3's outer wall, the tight portion 41 of subsides, form recess 44 between first connecting portion 42 and the second connecting portion 43, recess 44 is towards the pressure impact side.
The end cover 6 is provided with a first annular groove 7 around the floating flange part 3, the spring 8 is sleeved on the connecting shaft 31 and is positioned in the first annular groove 7, one end of the spring acts on the floating flange part 3, the limiting block 33 is provided with a second annular groove 34, and one end of the spring 8 is arranged in the second annular groove 34 and acts on the bottom of the second annular groove 34.
In the operation process of the embodiment, the two motors are respectively connected with the two transmission shafts 10, the two transmission shafts 10 and the main shaft 2 can be provided with gears which are respectively meshed, one end of the main shaft 2 is connected with the blast pipe 0 through the floating flange piece 3, and the other end of the main shaft is connected with the drill rod. The motor drives two transmissions to rotate respectively, the transmission shaft 10 drives the main shaft 2 to rotate together through gear transmission, so that enough power is provided for the drill rod to rotate, and the branch pipe is sent into a mixture of compressed air and water through a channel of the main shaft 2 in the drilling process to cool the drill bit and the head bearing, discharge slurry and the like. In the embodiment, the sealing rings are arranged into three layers, one layer is the first sealing ring 4, the arrangement structure of the first sealing ring 4 is similar to a C shape, the cross section of the tight part 41 attached to the outer wall of the connecting shaft 31 is triangular, the opening of the groove 44 faces to the pressure impact side, namely the opening of the groove 44 faces to one side close to the connecting part of the connecting shaft 31 and the main shaft 2, and compressed air leaked from the connecting part can rush to the opening of the groove 44, so that a right-angle edge is always attached to the outer side surface of the shaft, and the leakage cannot be caused even if the right-angle edge is abraded to a certain extent, thereby ensuring the sealing effect; the back two-layer is O type sealing washer 5, realizes further sealed, and three-layer is sealed to have pressure attenuation to the medium, and sealed effect is better.
The connection between the rotary trolley and the blast pipe 0 adopts the split type connection of the floating flange piece 3 and the flange of the blast pipe 0, and is convenient to install and replace, when in connection, the flange of the blast pipe is contacted with the flange plate 32 of the floating flange piece 3, so that the flange plate 32 is pressed down by the flange plate 32, the spring 8 on the connecting shaft 31 is pressed to generate thrust on the flange plate 32, thereby pre-tightening the connection between the flange plate 32 and the flange of the blast pipe, and then fixing is carried out, time and labor are saved, the operation is convenient, the flange plate 32 and the flange of the blast pipe are still kept in tight connection after the connection is completed, the sealing effect is increased, in addition, the spring 8 absorbs most of vibration from the drilling process, and the severe impact on an air inlet pipe is favorably prevented. A sealing gasket 9 is arranged between the flange plate 32 and the air supply pipe flange, so that the sealing effect is ensured within a set pressure range. First ring channel 7 and second ring channel 34's setting, be favorable to realizing spacing to spring 8, can also be provided with fixed chain wheel in the first ring channel 7, be provided with the clearance between fixed chain wheel and the connecting axle 31 outer wall, spring 8's one end sets up in this clearance, and the height that highly is less than first ring channel 7 top of fixed chain wheel, the stopper 33 of floating flange spare 3 can stretch into in first ring channel 7 simultaneously, be favorable to realizing the cooperation of floating flange spare 3 and fixed chain wheel, spacing to floating flange spare 3 and further spacing to spring 8, high reliability.
The foregoing description is only of the preferred embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, and 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.
Claims (7)
1. The utility model provides a two gyration dollies of rig that sealed gas circuit connects floats in area which characterized in that includes:
a box body (1);
the main shaft (2) is rotatably arranged in the box body (1), two ends of the main shaft (2) extend out of the box body (1), a channel is arranged in the main shaft (2), and a first mounting groove (20) is formed in the inner wall of the main shaft (2);
the floating flange piece (3) is arranged at one end of the main shaft (2), and one end of the floating flange piece (3) is positioned in the main shaft (2);
first sealing washer (4), first sealing washer (4) are located in first mounting groove (20), and the cover is established float flange spare (3) are last, first sealing washer (4) include:
the sticking part (41) is arranged on the floating flange piece (3) in a surrounding mode, the cross section of the sticking part (41) is in a right-angled triangle shape, and a right-angled edge is tightly stuck to the outer wall of the floating flange piece (3);
the first connecting part (42) is arranged on the floating flange piece (3) in a surrounding mode, and one end of the first connecting part (42) is connected with the other right-angle side of the sticking part (41);
the second connecting portion (43) is arranged on the floating flange piece (3) in a surrounding mode, one end of the second connecting portion (43) is connected with the other end of the first connecting portion (42), a groove (44) is formed among the attaching portion (41), the first connecting portion (42) and the second connecting portion (43), and the groove (44) faces to the pressure impact side.
2. The double-rotation trolley for the drilling machine with the floating seal gas path joint as claimed in claim 1, wherein a plurality of second installation grooves (200) are arranged on the inner wall of the main shaft (2), the second installation grooves (200) and the first installation grooves (20) are arranged in an axial direction,
all be provided with O type sealing washer (5) in every second mounting groove (200), O type sealing washer (5) cover is established float flange spare (3) are last.
3. The dual swivel cart with floating seal gas path joint for a drilling rig of claim 1, further comprising:
the end cover (6), the end cover (6) set up the outside of box (1), the one end of main shaft (2) is worn to establish in end cover (6), the one end of floating flange spare (3) is along axial displacement setting in main shaft (2) inboard, and wear to establish on end cover (6).
4. The dual swivel cart with floating seal gas path joint of a drilling rig of claim 3,
a first annular groove (7) is formed in the end cover (6) around the floating flange piece (3);
be provided with spring (8) in first ring channel (7), just spring (8) cover is established float flange spare (3) are last, spring (8) one end acts on float flange spare (3), and the other end acts on the bottom of first ring channel (7).
5. The dual swivel trolley for drilling machine with floating seal gas path joint as claimed in claim 4, characterized in that said floating flange member (3) comprises:
one end of the connecting shaft (31) movably penetrates through the main shaft (2), and the first sealing ring (4), the O-shaped sealing ring (5) and the spring (8) are sleeved on the connecting shaft (31);
the flange plate (32) is arranged at the other end of the connecting shaft (31), extends out of the top of the end cover (6) and is used for being connected with the blast pipe (0) in a flange mode;
stopper (33), stopper (33) are around setting up the outside of connecting axle (31), and are located connecting axle (31) are close to the one end of ring flange (32), second ring channel (34) have been seted up on stopper (33), the one end setting of spring (8) is in second ring channel (34) and act on second ring channel (34) bottom.
6. The dual swivel cart with floating seal gas path joint of a drilling rig of claim 5,
and a sealing gasket (9) is arranged on the top of the flange plate (32).
7. The dual swivel cart with floating seal gas path joint for a drilling rig of claim 1, further comprising:
the transmission shaft (10) is rotatably arranged on the two boxes (1) and is respectively positioned on two sides of the main shaft (2), and the two transmission shafts (10) are respectively connected with a motor for driving the transmission shafts to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022827771.1U CN213683936U (en) | 2020-11-30 | 2020-11-30 | Drilling machine double-rotation trolley with floating sealing gas path joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022827771.1U CN213683936U (en) | 2020-11-30 | 2020-11-30 | Drilling machine double-rotation trolley with floating sealing gas path joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213683936U true CN213683936U (en) | 2021-07-13 |
Family
ID=76737512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022827771.1U Expired - Fee Related CN213683936U (en) | 2020-11-30 | 2020-11-30 | Drilling machine double-rotation trolley with floating sealing gas path joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213683936U (en) |
-
2020
- 2020-11-30 CN CN202022827771.1U patent/CN213683936U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210713 |