CN219365941U - Gear wheel palm piece and rig - Google Patents
Gear wheel palm piece and rig Download PDFInfo
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- CN219365941U CN219365941U CN202320028694.4U CN202320028694U CN219365941U CN 219365941 U CN219365941 U CN 219365941U CN 202320028694 U CN202320028694 U CN 202320028694U CN 219365941 U CN219365941 U CN 219365941U
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- cone
- bit leg
- journal
- palm
- shaft neck
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Abstract
The utility model provides a cone palm, comprising: leg portions; the bit leg shaft neck is arranged on the bit leg; the cone is coaxially and rotatably sleeved on the bit leg shaft neck, and a clearance space is formed between the cone and the bit leg shaft neck; and a bearing part for bearing lubricating substances is arranged in the clearance space, and a lubricating oil film is formed in the clearance space when the cone rotates relative to the bit leg shaft neck. According to the cone palm piece, on the basis that lubricating substances are stored in the bearing space between the cone and the palm shaft diameter, the bearing parts in the bearing space can be used for bearing and storing the lubricating substances, so that the situation that lubrication between the cone and the palm shaft diameter is insufficient due to limited storage of lubricating oil in the radial clearance between the cone and the palm shaft diameter is avoided to a great extent, the occurrence of the cone seizure situation is caused, reliable guarantee is provided for normal operation of the cone palm piece, and maintenance cost of the cone palm piece is reduced.
Description
Technical Field
The utility model relates to the technical field of engineering cone palm pieces, in particular to a cone palm piece and a drilling machine.
Background
The engineering cone palm is widely used for drilling and tunneling of various engineering such as bridges, buildings and the like, and mainly comprises a cone palm, a cone and various small parts. When the cutter works, the engineering cutter palm piece revolves along with the cylindrical drill with axial pressure, and simultaneously, the cutter rotates around the axial diameter of the cutter palm, and hard alloy teeth on the cutter are crushed and tunneling is carried out. Insufficient autorotation lubrication before the cone and the cone leg winding shaft neck is a main mode of damage caused by the seizure of the cone during the working of the cone leg.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art or related art.
To this end, a first aspect of the present utility model provides a cone palm.
A second aspect of the utility model provides a drilling machine.
In view of this, there is provided, according to a first aspect of an embodiment of the present application, a cone palm including:
leg portions;
the bit leg shaft neck is arranged on the bit leg;
the cone is coaxially and rotatably sleeved on the bit leg shaft neck, and a clearance space is formed between the cone and the bit leg shaft neck;
the bearing part for bearing lubricating substances is arranged in the clearance space, and a lubricating oil film is formed in the clearance space when the cone rotates relative to the bit leg shaft neck.
In one possible embodiment, the carrier comprises:
the containing groove is arranged on the surface of the bearing pin shaft neck which is in rotary sleeving connection with the roller, and is used for bearing lubricating substances.
In one possible embodiment, the receiving groove is an annular receiving groove, the receiving groove being coaxially disposed with the bit leg journal.
In one possible embodiment, the carrier further comprises:
and the wear-resistant unit is arranged on one side of the accommodating groove, which is close to the stress direction of the cone palm.
In one possible embodiment, a bit leg journal includes:
the first shaft neck, one end of the first shaft neck is fixedly connected with the bit leg;
one end of the second journal is fixedly connected with the other end of the first journal;
wherein the first journal and/or the second journal are provided with receiving grooves.
In one possible embodiment, the cone palm further comprises:
and the sealing unit is arranged between the bit leg shaft neck and the cone, so that the clearance space is a closed clearance space.
In one possible embodiment, the lubricating substance is a grease.
In one possible embodiment, the wear resistant unit is a wear resistant alloy, deposited in the receiving groove.
In one possible embodiment, the diameter of the first journal is greater than the diameter of the second journal.
According to a second aspect of embodiments of the present application, a drilling machine is provided, including a cone palm as set forth in any one of the first aspects above.
Compared with the prior art, the utility model at least comprises the following beneficial effects: the cone palm piece comprises a cone leg, a cone leg shaft neck and a cone, wherein the cone leg is rotationally sleeved on the cone leg shaft neck, a clearance space is formed between the cone leg and the cone leg shaft neck, a bearing part is arranged in the bearing space, a lubricating substance is borne in the bearing part, during operation, the cone leg rotates relative to the cone leg shaft neck, the rotation axis of the cone leg is the same as the axis of the cone leg shaft neck, the lubricating substance borne in the bearing part flows in the clearance space in the process of rotating the cone leg relative to the cone leg shaft neck, a lubricating oil film is formed in the clearance space, the cone leg rotates relative to the cone leg shaft neck to have a lubricating effect, and the situation that the cone leg is blocked relative to the rotation of the cone leg shaft neck during long-term operation is prevented; compared with the storage amount of lubricating oil between the cone and the bit leg shaft diameter in the prior art, the cone palm piece provided by the embodiment of the application is used for carrying and storing the lubricating substance on the basis of storing the lubricating substance in the carrying space between the cone and the bit leg shaft diameter, and the carrying part in the carrying space can be used for carrying and storing the lubricating substance, so that the situation that the lubrication between the cone and the bit leg shaft diameter is insufficient due to the fact that the lubricating oil is limited in the radial clearance between the cone and the bit leg shaft diameter is greatly prevented, the occurrence of the situation that the cone is bitten is caused, the reliable guarantee is provided for the normal work of the cone palm piece, the maintenance cost of the cone palm piece is reduced, the continuity of production operation is facilitated to be improved, the production efficiency is further improved, and the working cost is reduced.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the exemplary embodiments. The drawings are only for purposes of illustrating exemplary embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a schematic block diagram of a cone palm according to one embodiment provided herein;
FIG. 2 is a schematic block diagram of the bit leg shaft diameter of one embodiment provided herein;
FIG. 3 is a schematic block diagram of section A-A of FIG. 2;
FIG. 4 is a schematic block diagram of a section B-B of FIG. 2;
the correspondence between the reference numerals and the component names in fig. 1 to 4 is:
100-leg, 200-leg journal, 300-cone, 400-carrier, 500-lubricating substance, 600-seal unit;
210-first journal, 220-second journal;
410-a receiving groove, 420-a wear-resistant unit;
101-gap space.
Detailed Description
Exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
As shown in fig. 1 to 4, according to a first aspect of an embodiment of the present application, there is provided a cone palm, including: leg 100; bit leg journal 200 disposed in bit leg 100; cone 300 is coaxially rotatably sleeved on bit leg journal 200, and a clearance space 101 is formed between cone 300 and bit leg journal 200; wherein, a bearing part 400 for bearing a lubricating substance 500 is arranged in the clearance space 101, and a lubricating oil film is formed in the clearance space 101 when the cone 300 rotates relative to the bit leg journal 200.
The cone leg provided in this embodiment includes a bit leg 100, a bit leg shaft neck 200 and a cone 300, wherein the bit leg shaft neck 200 is fixedly mounted on the bit leg 100, the cone 300 is rotatably sleeved on the bit leg shaft neck 200, a clearance space 101 is formed between the cone 300 and the bit leg shaft neck 200, wherein a bearing part 400 is provided in the bearing space 101, a lubricating substance 500 is borne in the bearing part 400, during operation, the cone 300 rotates relative to the bit leg shaft neck 200, the rotation axis of the cone 300 is the same as the axis of the bit leg shaft neck 200, the lubricating substance 500 borne in the bearing part 400 flows in the clearance space 101 during rotation of the cone 300 relative to the bit leg shaft neck 200, and a lubricating oil film is formed in the clearance space 101 to lubricate the rotation of the cone 300 relative to the bit leg shaft neck 200, so as to prevent the cone 300 from being jammed during long-term operation of the cone leg 200.
In the prior art, lubricating oil can be filled between the cone and the bit leg shaft journal, the radial clearance between the cone and the bit leg shaft diameter is about 0.2 millimeter, the radial clearance between the cone and the bit leg shaft diameter is limited in storing lubricating oil, and the filled lubricating oil can be consumed very quickly when the cone palm piece is used, so that the lubrication between the cone and the bit leg shaft diameter is insufficient, and the cone is bitten, thereby influencing the working efficiency; compared with the storage amount of lubricating oil between the cone 300 and the bit leg shaft diameter in the traditional technology, the cone palm piece provided by the embodiment of the application, on the basis of storing the lubricating substance 500 in the bearing space 101 between the cone 300 and the bit leg shaft diameter 200, can also bear and store the lubricating substance 500 through the bearing part 400 in the bearing space 101, compared with the traditional technology, the storage amount of the lubricating substance 500 is greatly increased, the lubrication between the cone 300 and the bit leg shaft diameter 200 is sufficient when the cone palm piece works, the situation that the lubricating oil is limited due to the fact that the radial gap between the cone 300 and the bit leg shaft diameter 200 stores lubricating oil is prevented greatly, so that the lubrication between the cone 300 and the bit leg shaft diameter 200 is insufficient, the probability of seizure is ensured, reliable guarantee is provided for normal work of the cone palm piece, the maintenance cost of the cone palm piece is reduced, the continuity of production operation is facilitated, the production efficiency is further improved, and the working cost is reduced.
As shown in fig. 1 to 4, in some examples, the carrier 400 includes: and the accommodating groove 410 is arranged on the rotating sleeved surface of the bit leg journal 200 and the cone 300 and is used for carrying the lubricating substance 500.
In this embodiment, the bearing portion 400 includes a receiving groove 410 disposed on a rotationally sleeved surface of the bit leg shaft diameter 200 and the cone 300, and the receiving groove 410 is internally provided with a lubricating substance, where the receiving groove 410 may include, but is not limited to, at least one of surfaces disposed on the bit leg shaft diameter 200 and is in communication with the clearance space 101, and when the cone 300 rotates relative to the bit leg shaft neck 200, the rotationally sleeved surface of the cone 300 and the bit leg shaft neck 200 may be in contact with the lubricating substance 500 in the receiving groove 410, and may drive the lubricating substance 500 in the receiving groove 410 to form a lubricating oil film in the clearance space 101, so as to ensure that an optimal lubricating effect is achieved when the cone 300 rotates relative to the bit leg shaft diameter 200, and prevent the cone 300 from being jammed relative to the rotation of the bit leg shaft diameter 200 during long-term operation.
As shown in fig. 1-4, in some examples, the receiving groove 410 is an annular receiving groove 410, the receiving groove 410 being disposed coaxially with the bit leg journal 200.
In this technical solution, the annular receiving groove 410 is coaxially disposed on the outer wall surface of the bit leg journal 200, so that the receiving groove 410 is communicated with the clearance space 101, and therefore, when the cone 300 rotates relative to the bit leg journal 200, the surface of the cone 300 rotationally sleeved with the bit leg journal 200 is always contacted with the lubricating substance 500 in the receiving groove 410, and further, the lubricating substance 500 in the receiving groove 410 can be rapidly driven to form a lubricating oil film in the clearance space 101, the time of forming the lubricating oil film in the clearance space 101 by the lubricating substance 500 in the receiving groove 410 is greatly increased, and further, when the cone 300 rotates relative to the bit leg shaft diameter 200, the optimal lubricating effect is achieved, and the situation that the cone 300 is blocked relative to the rotation of the bit leg shaft diameter 200 is prevented when the cone 300 works for a long time.
As shown in fig. 1 to 4, in some examples, the carrier 400 further includes: the wear-resisting unit 420 is disposed on one side of the accommodating groove 410 near the bearing direction of the cone palm.
In this technical solution, the bearing part 400 further includes a wear-resistant unit 420 disposed in the accommodating groove 410, where the bit leg 100 is installed on a drill barrel of the drilling machine during operation, and revolves along with the drill barrel with axial pressure, meanwhile, the bit leg 300 rotates around the bit leg shaft diameter 200, and the integral bit leg moves up and down relative to the ground in a vertical state during operation, so that the hard alloy teeth on the bit leg 300 are broken and tunneling, at this moment, the stress direction of the bit leg during operation is the surface contacting with the ground, and the wear-resistant unit 420 is disposed in the accommodating groove 410 near the stress direction of the bit leg during operation, so that the wear-resistant property of the bit leg shaft diameter 200 is improved during operation, a reliable guarantee is provided for normal operation of the bit leg, maintenance cost of the bit leg is reduced, continuity of production operation is facilitated, and further production efficiency is improved, and operating cost is reduced.
As shown in fig. 1-4, in some examples, bit leg journal 200 includes: first journal 210, one end of first journal 210 being fixedly coupled to bit leg 100; a second journal 220, one end of the second journal 220 being fixedly coupled to the other end of the first journal 210; wherein the first journal 210 and/or the second journal 220 are provided with receiving slots 410.
In this technical solution, the bit leg journal 200 includes a first journal 210 and a second journal 220, where one end of the first journal 210 is fixedly connected with the bit leg 100, one end of the second journal 220 is fixedly connected with the other end of the first journal 210, so that the first journal 210 and the second journal 220 are sequentially and fixedly installed on the bit leg 100, the first journal 210 and the second journal 220 may be integrally formed, the outer surface of the first journal 210 is a first bit leg runway, the outer surface of the first journal 220 is a second bit leg runway, and the accommodating grooves 410 may be respectively and simultaneously disposed on the first journal 210 and the second journal 220, so that the accommodating grooves are uniformly distributed on the bit leg shaft diameter 200, thereby greatly ensuring that when the cone 300 rotates relative to the first journal 210 and the second journal 220, the rotationally sleeved surfaces of the cone 300 and the first journal 210 and the second journal 220 are in contact with the lubricating substance 500 in the accommodating grooves 410, and further rapidly driving the lubricating substance 500 in the accommodating grooves 410 to form lubrication in the clearance space 101, and greatly improving the time of the lubricating substance 500 in the accommodating grooves 410 in the clearance space 101.
As shown in fig. 1, in some examples, the cone palm piece further comprises: sealing element 600 is disposed between bit leg journal 200 and cone 300 such that interstitial space 101 is a closed interstitial space 101.
In this technical scheme, the cone palm further includes a sealing unit 600, wherein the sealing unit 600 is optionally but not limited to a sealing ring, is coaxially sleeved with the cone palm shaft diameter 200, and is disposed between the cone palm shaft diameter 200 and the cone 300, so that the clearance space 101 is a closed space, the arrangement can ensure that the lubricating substance stored in the clearance space 101 can not leak out of the clearance space 101, is always in the clearance space 101, lubricates between the cone 300 and the cone palm shaft diameter 200, ensures that reliable guarantee is provided for normal operation of the cone palm, reduces maintenance cost of the cone palm, is beneficial to improving continuity of production operation, further improves production efficiency, and reduces working cost.
In some examples, the lubricating substance 500 is a grease.
Specifically, the lubricating substance 500 is grease, and has the advantages that: when the cone 300 and the bit leg shaft diameter 200 are in a static and non-working state, the lubricating grease in the gap space 101 can keep the original shape, and the lubricating grease is always stored in the gap space 101 in a state of a lubricating oil film, so that the flow convergence caused by gravity is avoided, and the lubricating grease can not drip out of a gap, and the characteristic is suitable for cone palm pieces which are frequently stopped, started or not started; meanwhile, the working temperature range of the lubricating grease is wider than that of common lubricating oil; because the lubricating grease contains a large amount of polar substances, the adsorption capacity of the lubricating grease on the metal surface is far greater than that of lubricating oil, a firm oil film can be formed, and the lubricating grease can bear higher working load.
In some examples, the wear resistant unit 420 is a wear resistant alloy that is deposited on the receiving groove 410.
In this technical scheme, wear-resisting unit 420 is wear-resisting alloy, and optional but not limited to cobalt chromium tungsten (GCrW) wear-resisting alloy, and cobalt chromium tungsten alloy has fine hot corrosion resistance, can guarantee that wear-resisting unit can play anticorrosive heat-resisting effect when being in the work of cone palm piece, and then reaches wear-resisting effect, can guarantee to provide reliable guarantee for the normal work of cone palm piece, reduces the maintenance cost of cone palm piece, is favorable to promoting the continuity of production operation, and then promotes production efficiency, reduces working cost.
As shown in fig. 1-2, in some examples, the diameter of the first journal 210 is greater than the diameter of the second journal 220.
In this technical solution, the diameters of the first journal 210 and the second journal 220 are different, so that the cavities of the cone 300, which are in contact with the first journal 210 and the second journal 220, are two cavities with different inner diameters, which correspond to the first journal 210 and the second journal 220, respectively, so as to form two rolling support modes with different heights, and greatly reduce the risk of rotational eccentricity.
According to a second aspect of embodiments of the present application, there is provided a drilling machine comprising a cone palm as set forth in any one of the first aspects above.
The drilling machine that this embodiment of the application provided, at the in-process of work, the cone palm piece is installed and is worked on the drilling machine, because the drilling machine that this embodiment of the application provided, because including the cone palm piece that any one of above-mentioned first aspect provided, consequently possess this cone palm piece's whole beneficial effect, and this is unnecessary here.
In this application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. The term "two or more" includes two or more cases.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present specification without departing from the spirit or scope of the specification. Thus, if such modifications and variations of the present specification fall within the scope of the claims and the equivalents thereof, the present specification is also intended to include such modifications and variations.
Claims (10)
1. A cone palm, comprising:
leg portions;
the bit leg shaft neck is arranged on the bit leg;
the cone is coaxially and rotatably sleeved on the bit leg shaft neck, and a clearance space is formed between the cone and the bit leg shaft neck;
and a bearing part for bearing lubricating substances is arranged in the clearance space, and a lubricating oil film is formed in the clearance space when the cone rotates relative to the bit leg shaft neck.
2. The cone palm as claimed in claim 1, wherein the carrier comprises:
the accommodating groove is arranged on the surface of the bearing pin shaft neck which is in rotary sleeving connection with the roller cone and is used for bearing lubricating substances.
3. The bit leg of claim 2, wherein the receiving groove is an annular receiving groove, the receiving groove being coaxially disposed with the bit leg journal.
4. A cone palm according to claim 3, wherein the carrier further comprises:
and the wear-resistant unit is arranged on one side of the accommodating groove, which is close to the stress direction of the cone palm.
5. The bit leg of claim 2, wherein the bit leg journal comprises:
the first shaft neck, one end of the first shaft neck is fixedly connected with the bit leg;
one end of the second journal is fixedly connected with the other end of the first journal;
wherein the first journal and/or the second journal are/is provided with receiving grooves.
6. The cone palm as claimed in claim 1, further comprising:
and the sealing unit is arranged between the bit leg shaft neck and the cone, so that the clearance space is a closed clearance space.
7. The cone palm as claimed in claim 1, wherein the lubricating substance is grease.
8. The cone palm according to claim 4, wherein the wear-resistant unit is a wear-resistant alloy deposited in the receiving groove.
9. The cone palm according to claim 5, wherein the diameter of the first journal is greater than the diameter of the second journal.
10. A drilling machine comprising a roller cone palm as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320028694.4U CN219365941U (en) | 2023-01-05 | 2023-01-05 | Gear wheel palm piece and rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320028694.4U CN219365941U (en) | 2023-01-05 | 2023-01-05 | Gear wheel palm piece and rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219365941U true CN219365941U (en) | 2023-07-18 |
Family
ID=87152769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320028694.4U Active CN219365941U (en) | 2023-01-05 | 2023-01-05 | Gear wheel palm piece and rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219365941U (en) |
-
2023
- 2023-01-05 CN CN202320028694.4U patent/CN219365941U/en active Active
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