CN214091688U - Reverse circulation down-the-hole hammer divides wind pivot ware - Google Patents
Reverse circulation down-the-hole hammer divides wind pivot ware Download PDFInfo
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- CN214091688U CN214091688U CN202022208410.9U CN202022208410U CN214091688U CN 214091688 U CN214091688 U CN 214091688U CN 202022208410 U CN202022208410 U CN 202022208410U CN 214091688 U CN214091688 U CN 214091688U
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Abstract
A reverse circulation down-the-hole hammer divides wind pivot mechanism, the central revolution solid is equipped with the channel B, its upper and lower ends are connected with inner pipe and outer hexagonal joint building in separately; a channel A is arranged in the outer hexagonal joint; the mounting flange is sleeved outside the outer hexagonal joint; the lower part of the connecting device is inserted into the inner pipe, and a channel C is arranged in the connecting device; the outer pipe is respectively matched with the inner pipe and the central revolving body through rotary sealing pieces A and B; an air supply cavity is formed among the outer pipe, the central revolving body and the rotary sealing pieces A and B; the side walls of the central revolving body and the outer hexagonal joint are provided with air ducts; the outer pipe is fixedly connected with an air inlet pipeline; the upper end and the lower end of the sleeve are fixedly connected with the connecting device and the outer pipe respectively; the follow-up frame is arranged on one side of the outer part of the central revolving body, and the inner side of the upper end of the follow-up frame is connected with the central revolving body through a bearing; the slewing bearing is sleeved on the outer side of the central revolving body and is connected with the mounting flange and the follow-up frame. The rotating shaft device is suitable for the structural installation requirement of the reverse circulation down-the-hole hammer and the requirement of the vibration working condition of the reverse circulation down-the-hole hammer.
Description
Technical Field
The utility model belongs to the technical field of building and bridge construction equipment, concretely relates to reverse circulation down-the-hole hammer divides wind pivot ware.
Background
In the construction, in order to ensure the gas consumption and the working requirement of the down-the-hole hammer, the pipeline connection of a fixed air compressor and a moving and rotating down-the-hole hammer becomes the problem to be solved. The structure of the existing gas wind-distributing rotary shaft device is not matched with the structure installation requirements of the reverse circulation down-the-hole hammer, and the structure installation and the high-strength vibration working environment of the reverse circulation down-the-hole hammer are not suitable.
Disclosure of Invention
Problem to above-mentioned prior art exists, the utility model provides a reverse circulation down-the-hole hammer divides wind pivot ware, this pivot ware are applicable to the structural mounting demand of reverse circulation down-the-hole hammer, and its load bearing capacity is strong, are applicable to the demand of reverse circulation down-the-hole hammer vibrations operating mode.
In order to achieve the aim, the utility model provides a reverse circulation down-the-hole hammer divides wind pivot ware, including inside rotor, outside stator and follower frame, its characterized in that still includes slewing bearing;
the inner rotor consists of an inner tube, a central revolving body, an outer hexagonal joint and an installation flange which are coaxially arranged, an axially-penetrating channel B is arranged at the axis of the central revolving body, and the upper end and the lower end of the central revolving body are fixedly connected with the lower end of the inner tube and the upper end of the outer hexagonal joint respectively; an axial through channel A is arranged at the axis of the outer hexagonal joint; the mounting flange is fixedly sleeved outside the joint of the outer hexagonal joint and the central revolving body;
the external stator consists of a connecting device, a sleeve and an outer pipe which are coaxially arranged, the outer side of the middle part of the connecting device is fixedly connected with an annular connecting plate A, the lower part of the connecting device is rotatably inserted into the inner part of the upper end of the inner pipe, and a rotary sealing element C is assembled between the connecting device and the inner pipe; a channel C which axially penetrates through is arranged at the axis of the connecting device; the sleeve is coaxially sleeved outside the inner pipe, the upper end of the sleeve is fixedly connected with the outer edge of the annular connecting plate A, and the lower end of the sleeve is positioned above the lower end of the inner pipe; the outer pipe is coaxially sleeved on the outer side of the upper part of the central revolving body, the upper end of the outer pipe extends to the position of the lower end of the sleeve, the inner side of the upper end of the outer pipe is fixedly connected with an annular connecting plate B, a rotary sealing element B is assembled between the inner circular surface of the annular connecting plate B and the outer circular surface of the inner pipe, and the upper end surface of the annular connecting plate B is fixedly connected with the lower end of the sleeve; a rotary sealing element A is assembled between the lower end of the outer pipe and the upper part of the central revolving body; an annular gas supply cavity is formed among the outer pipe, the inner pipe, the central revolving body, the rotary sealing piece A and the rotary sealing piece B; a plurality of air ducts which are vertically communicated are arranged on the side walls of the central revolving body and the outer hexagonal joint, the upper ends of the air ducts are communicated with the air supply cavity, and the lower ends of the air ducts extend to the lower end face of the outer hexagonal joint; an air inlet pipeline communicated with the air supply cavity is fixedly connected to one side of the outer part of the outer pipe;
the follow-up frame is arranged outside the central revolving body, the inner part of the upper end of the follow-up frame is connected with the upper part of the central revolving body through a bearing, and the upper end face of the follow-up frame is fixedly connected with the lower end of the outer tube;
the slewing bearing is coaxially sleeved on the outer side of the lower part of the central revolving body and is positioned between the mounting flange and the follow-up frame, the inner ring of the slewing bearing is fixedly connected with the follow-up frame, and the outer ring of the slewing bearing is fixedly connected with the mounting flange;
the channel A, the channel B, the inner cavity of the inner pipe and the channel C are longitudinally communicated to form a slag discharge channel.
Preferably, the central revolving body is formed by fixedly connecting an upper central revolving body located at an upper portion and a lower central revolving body located at a lower portion.
Furthermore, in order to be convenient for carry out the location with the drilling rod and be connected, the left and right sides of outer hexagonal joint respectively is provided with a positioning groove, and positioning groove's cross section is semi-circular.
Further, in order to facilitate connection of the auxiliary air passage at a later stage, an annular auxiliary air chamber is formed between the connecting device, the sleeve, the rotary seal member B, the rotary seal member C, the annular connecting plate a and the annular connecting plate B.
The utility model discloses in, through form annular air feed chamber between outer tube, the central solid of revolution, rotary seal spare A and rotary seal spare B to be connected with the air inlet pipeline in the outside of outer tube, can be convenient for utilize the air inlet pipeline to supply compressed gas in the air feed chamber. Through set up a plurality of air ducts of vertical intercommunication on the lateral wall of center solid of revolution and outer hexagonal joint, can be convenient for supply the drilling rod with the compressed gas who supplies in the air supply chamber in the operation process. The channel B is arranged on the axis of the central revolving body, the channel A is arranged on the axis of the outer hexagonal joint, and the channel C is arranged on the axis of the connecting device, so that a slag discharging channel can be formed by longitudinally communicating the channel A, the channel B, the inner cavity of the inner pipe and the channel C, and accordingly, slag soil in the operation process of the drill rod can be discharged conveniently. The rotating shaft device is suitable for the structural installation requirement of the reverse circulation down-the-hole hammer, has strong load bearing capacity, and is suitable for the requirement of the vibration working condition of the reverse circulation down-the-hole hammer.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. the device comprises a connecting device, 2, a sleeve, 3, an inner pipe, 4, an outer pipe, 5, a lower central revolving body, 6, a follow-up frame, 7, a bearing, 8, an upper central revolving body, 9, a revolving support, 10, a mounting flange, 11, an outer hexagonal joint, 12, a central revolving body, 13, a positioning groove, 14, a channel A, 15, a channel B, 16, a channel C, 17, an annular connecting plate A, 18, a rotary sealing element A, 19, a rotary sealing element B, 20, a rotary sealing element C, 21, an air supply cavity, 22, an air inlet pipeline, 23, an air vent pipeline, 24, a slag discharge channel, 25, an annular connecting plate B, 26 and an auxiliary air cavity.
Detailed Description
The present invention will be further explained below.
As shown in fig. 1, the reverse circulation down-the-hole hammer wind distribution rotating shaft device comprises an inner rotor, an outer stator and a follow-up frame 6, and is characterized by further comprising a slewing bearing 9;
the inner rotor consists of an inner tube 3, a central revolving body 12, an outer hexagonal joint 11 and an installation flange 10 which are coaxially arranged, an axially-penetrating channel B15 is arranged at the axis of the central revolving body 12, and the upper end and the lower end of the central revolving body 12 are fixedly connected with the lower end of the inner tube 3 and the upper end of the outer hexagonal joint 11 respectively; an axial through channel A14 is arranged at the axis of the outer hexagonal joint 11; the mounting flange 10 is fixedly sleeved outside the joint of the outer hexagonal joint 11 and the central revolving body 12;
the external stator consists of a connecting device 1, a sleeve 2 and an external tube 4 which are coaxially arranged, the outer side of the middle part of the connecting device 1 is fixedly connected with an annular connecting plate A17, the lower part of the connecting device 1 is rotatably inserted into the inner part of the upper end of the internal tube 3, and a rotary sealing element C20 is assembled between the connecting device 1 and the internal tube; the axial center of the connecting device 1 is provided with an axial through channel C16; the sleeve 2 is coaxially sleeved outside the inner pipe 3, the upper end of the sleeve is fixedly connected with the outer edge of the annular connecting plate A17, and the lower end of the sleeve is positioned above the lower end of the inner pipe 3; the outer pipe 4 is coaxially sleeved on the outer side of the upper part of the central revolving body 12, the upper end of the outer pipe 4 extends to the position of the lower end of the sleeve 2, the inner side of the upper end of the outer pipe 4 is fixedly connected with an annular connecting plate B25, and a rotary sealing element B19 is assembled between the inner circular surface of the annular connecting plate B25 and the outer circular surface of the inner pipe 3, so that the inner pipe 3 and the annular connecting plate B25 are in rotating fit, and meanwhile, the sealing performance at the fit part is good in the rotating process; the upper end surface of the annular connecting plate B25 is fixedly connected with the lower end of the sleeve 2; a rotary sealing member A18 is assembled between the lower end of the outer tube 4 and the upper part of the center revolving body 12, so that the outer tube 4 and the center revolving body 12 are in running fit, and meanwhile, the sealing performance at the fit part in the running process is good; an annular air supply chamber 21 is formed between the outer pipe 4, the inner pipe 3, the center rotor 12, the rotary seal a18, and the rotary seal B19; a plurality of ventilation pipelines 23 which are vertically communicated are arranged on the side walls of the central revolving body 12 and the outer hexagonal joint 11, the upper ends of the ventilation pipelines 23 are communicated with the air supply cavity 21, and the lower ends of the ventilation pipelines 23 extend to the lower end surface of the outer hexagonal joint 11; an air inlet pipeline 22 communicated with the air supply cavity 21 is fixedly connected to one side of the outer part of the outer pipe 4;
the follow-up frame 6 is arranged outside the central revolving body 12, and the inner part of the upper end of the follow-up frame is connected with the upper part of the central revolving body 12 through the bearing 7, so that the follow-up frame 6 can be in running fit with the inner rotor through the bearing 7, the upper end surface of the follow-up frame 6 is fixedly connected with the lower end of the outer tube 4, and the follow-up frame 6 and the outer stator can be synchronously fixed;
the slewing bearing 9 is coaxially sleeved on the outer side of the lower part of the central slewing body 12 and is positioned between the mounting flange 10 and the follow-up frame 6, the inner diameter of the slewing bearing 9 is larger than the outer diameter of the central slewing body 12, the inner ring of the slewing bearing 9 is fixedly connected with the follow-up frame 6, and the outer ring of the slewing bearing is fixedly connected with the mounting flange 10;
the passage A14, the passage B15, the inner cavity of the inner tube 3 and the passage C16 longitudinally penetrate to form a slag discharge passage 24.
Preferably, the center revolving body 12 is formed by fixedly connecting an upper center revolving body 8 located at an upper portion and a lower center revolving body 5 located at a lower portion.
In order to facilitate the positioning connection with a drill rod, the left side and the right side of the outer hexagonal joint 11 are respectively provided with a positioning groove 13, and the cross section of each positioning groove 13 is semicircular.
In order to facilitate connection of the auxiliary air passage at a later stage, an annular auxiliary air chamber 26 is formed between the connection device 1, the sleeve 2, the rotary seal B19, the rotary seal C20, the annular web a17 and the annular web B25.
An annular air supply cavity is formed among the outer pipe, the central revolving body, the rotary sealing piece A and the rotary sealing piece B, and an air inlet pipeline is connected to the outer side of the outer pipe, so that compressed air can be conveniently supplied to the air supply cavity by the aid of the air inlet pipeline. Through set up a plurality of air ducts of vertical intercommunication on the lateral wall of center solid of revolution and outer hexagonal joint, can be convenient for supply the drilling rod with the compressed gas who supplies in the air supply chamber in the operation process. The channel B is arranged on the axis of the central revolving body, the channel A is arranged on the axis of the outer hexagonal joint, and the channel C is arranged on the axis of the connecting device, so that a slag discharging channel can be formed by longitudinally communicating the channel A, the channel B, the inner cavity of the inner pipe and the channel C, and accordingly, slag soil in the operation process of the drill rod can be discharged conveniently. The rotating shaft device is suitable for the structural installation requirement of the reverse circulation down-the-hole hammer, has strong load bearing capacity, and is suitable for the requirement of the vibration working condition of the reverse circulation down-the-hole hammer.
Claims (4)
1. A counter-circulation down-the-hole hammer wind-distributing rotating shaft device comprises an inner rotor, an outer stator and a follow-up frame (6), and is characterized by further comprising a slewing bearing (9);
the inner rotor is composed of an inner tube (3), a central revolving body (12), an outer hexagonal joint (11) and a mounting flange (10) which are coaxially arranged, an axially-penetrating channel B (15) is arranged at the axis of the central revolving body (12), and the upper end and the lower end of the central revolving body (12) are fixedly connected with the lower end of the inner tube (3) and the upper end of the outer hexagonal joint (11) respectively; an axial through channel A (14) is arranged at the axis of the outer hexagonal joint (11); the mounting flange (10) is fixedly sleeved outside the joint of the outer hexagonal joint (11) and the central revolving body (12);
the external stator is composed of a connecting device (1), a sleeve (2) and an outer tube (4) which are coaxially arranged, the outer side of the middle part of the connecting device (1) is fixedly connected with an annular connecting plate A (17), the lower part of the connecting device (1) is rotatably inserted into the inner part of the upper end of the inner tube (3), and a rotary sealing element C (20) is assembled between the connecting device and the inner tube; a channel C (16) which penetrates through the axial direction is arranged at the axis of the connecting device (1); the sleeve (2) is coaxially sleeved outside the inner pipe (3), the upper end of the sleeve is fixedly connected with the outer edge of the annular connecting plate A (17), and the lower end of the sleeve is positioned above the lower end of the inner pipe (3); the outer pipe (4) is coaxially sleeved on the outer side of the upper part of the central revolving body (12), the upper end of the outer pipe (4) extends to the position of the lower end of the sleeve (2), the inner side of the upper end of the outer pipe (4) is fixedly connected with an annular connecting plate B (25), a rotary sealing element B (19) is assembled between the inner circular surface of the annular connecting plate B (25) and the outer circular surface of the inner pipe (3), and the upper end surface of the annular connecting plate B (25) is fixedly connected with the lower end of the sleeve (2); a rotary sealing member A (18) is assembled between the lower end of the outer pipe (4) and the upper part of the central revolving body (12); an annular air supply cavity (21) is formed among the outer pipe (4), the inner pipe (3), the central revolving body (12), the rotary sealing piece A (18) and the rotary sealing piece B (19); a plurality of ventilation pipelines (23) which are vertically communicated are arranged on the side walls of the central revolving body (12) and the outer hexagonal joint (11), the upper ends of the ventilation pipelines (23) are communicated with the air supply cavity (21), and the lower ends of the ventilation pipelines (23) extend to the lower end surface of the outer hexagonal joint (11); an air inlet pipeline (22) communicated with the air supply cavity (21) is fixedly connected to one side of the outer part of the outer pipe (4);
the follow-up frame (6) is arranged outside the central revolving body (12), the inner part of the upper end of the follow-up frame is connected with the upper part of the central revolving body (12) through a bearing (7), and the upper end surface of the follow-up frame is fixedly connected with the lower end of the outer pipe (4);
the slewing bearing (9) is coaxially sleeved on the outer side of the lower part of the central slewing body (12) and is positioned between the mounting flange (10) and the follow-up frame (6), the inner ring of the slewing bearing (9) is fixedly connected with the follow-up frame (6), and the outer ring of the slewing bearing is fixedly connected with the mounting flange (10);
the channel A (14), the channel B (15), the inner cavity of the inner pipe (3) and the channel C (16) are longitudinally communicated to form a slag discharge channel (24).
2. The counter-circulating down-the-hole hammer wind-dividing rotary shaft device according to claim 1, wherein the central rotary body (12) is fixedly connected by an upper central rotary body (8) at the upper part and a lower central rotary body (5) at the lower part.
3. The counter-circulation down-the-hole hammer wind-dividing rotary shaft device according to claim 1 or 2, wherein the left side and the right side of the outer hexagonal joint (11) are respectively provided with a positioning groove (13), and the cross section of each positioning groove (13) is semicircular.
4. A counter-circulating down-the-hole hammer wind-dividing spindle according to claim 3, characterized in that an annular auxiliary air chamber (26) is formed between the connecting device (1), the sleeve (2), the rotary seal B (19), the rotary seal C (20), the annular web a (17) and the annular web B (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022208410.9U CN214091688U (en) | 2020-09-30 | 2020-09-30 | Reverse circulation down-the-hole hammer divides wind pivot ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022208410.9U CN214091688U (en) | 2020-09-30 | 2020-09-30 | Reverse circulation down-the-hole hammer divides wind pivot ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214091688U true CN214091688U (en) | 2021-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022208410.9U Active CN214091688U (en) | 2020-09-30 | 2020-09-30 | Reverse circulation down-the-hole hammer divides wind pivot ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214091688U (en) |
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- 2020-09-30 CN CN202022208410.9U patent/CN214091688U/en active Active
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