CN217501562U - Roller drill walking buffer mechanism and roller drill - Google Patents
Roller drill walking buffer mechanism and roller drill Download PDFInfo
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- CN217501562U CN217501562U CN202221767024.6U CN202221767024U CN217501562U CN 217501562 U CN217501562 U CN 217501562U CN 202221767024 U CN202221767024 U CN 202221767024U CN 217501562 U CN217501562 U CN 217501562U
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- support
- support shaft
- equalizing
- bearing
- equalizing beam
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Abstract
The utility model discloses a rotary drill walking buffer mechanism and a rotary drill, which comprises a longitudinal beam, a balance beam, a support shaft and a joint bearing; the longitudinal beam and the equalizing beam are movably connected through a support shaft inserted in the inner part, and the end part of the support shaft limits the axial movement of the support shaft through a connecting limiting part; the inner ring of the joint bearing is matched with the support shaft, the outer ring of the joint bearing is matched with the bearing seat, the joint bearing is fixed in the bearing seat through a connecting and fastening part, the bearing seat is fixed on the equalizing beam, and the joint bearing is further installed on the equalizing beam. When the roller-cone drilling machine runs on bumpy roads, the longitudinal beam can swing in a small range, the upper vehicle platform is kept stable relatively, movement buffering is achieved, structural deformation is reduced, and reliability of a running system is improved.
Description
Technical Field
The utility model relates to a rotary drill walking buffer gear belongs to the engineering machine tool field.
Background
A roller drill is a drilling device for opencast mines, which is mainly used for the early-stage drilling and blasting of projects such as opencast coal mines, buildings, water conservancy and the like, a travelling mechanism is taken as a main component of the roller drill and is responsible for the travelling of the drill and bearing the weight of a loading platform, as the whole vehicle has heavy weight and the travelling road conditions are poor, a crawler-type chassis is adopted for the travelling mechanism of the roller drill and mainly comprises a left longitudinal beam assembly, a right longitudinal beam assembly, a front shaft and a balance beam, the front shaft and the balance beam are lapped on the longitudinal beams and matched with the loading platform, if the balance beam is directly fixed on the left longitudinal beam and the right longitudinal beam, when the drill runs on a bumpy road surface or is in a working state, the joint of the longitudinal beams and the balance beam is easy to deform or fatigue damage under the influence of impact load and vibration, so the position needs to be designed into a structural form with a certain freedom of movement and applied with lubrication, the dynamic load is buffered, the friction and the abrasion of a contact surface are reduced, the safety and the reliability of a walking system are improved, and the service life of the walking system is prolonged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rotary drill walking buffer gear to the drawback of prior art to reduce the stress concentration of each rigid component junction, improve running gear's fail safe nature, guarantee the economic benefits of rig attendance rather than producing.
In order to realize the purpose, the utility model discloses a technical scheme is:
the utility model provides a roller drill walking buffer mechanism in a first aspect, which comprises a longitudinal beam, a balance beam, a supporting shaft and a joint bearing; the longitudinal beam and the equalizing beam are movably connected through a support shaft inserted in the inner part, and the end part of the support shaft limits the axial movement of the support shaft through a connecting limiting part; the inner ring of the joint bearing is matched with the support shaft, the outer ring of the joint bearing is matched with the bearing seat, the joint bearing is fixed in the bearing seat through a connecting and fastening part, the bearing seat is fixed on the equalizing beam, and the joint bearing is further installed on the equalizing beam.
In some embodiments, the stop member is comprised of a bolt and a nut; one end of the support shaft is provided with a through hole, the bolt is arranged in the through hole, and the axial displacement of the support shaft is limited by matching with the nut.
In some embodiments, the fastening component is a collar; the bearing seat is internally provided with a step, one end face of one side of the knuckle bearing is abutted against the step, and the end face of the other side of the knuckle bearing is limited by a check ring clamped inside the bearing seat.
In some embodiments, the longitudinal beam is a welded part and comprises a reinforcing plate, a transverse plate, an equalizing beam support A and an equalizing beam support B; the reinforcing plate is tiled and welded on the transverse plate, and the equalizing beam support A and the equalizing beam support B are welded on the reinforcing plate.
In some embodiments, the equalizer beam is disposed between equalizer beam support a and equalizer beam support B, and a swing gap exists between the equalizer beam support a, equalizer beam support B, and equalizer beam.
In some embodiments, the equalizing beam support A and the equalizing beam support B are both provided with round holes, and sleeves are installed in the round holes; the support shaft penetrates through the sleeve and the joint bearing, and radial gaps are formed among the support shaft, the sleeve and the bearing seat.
In some embodiments, the equalizing beam support A, the equalizing beam support B and the equalizing beam are provided with lubricating channels which are communicated to the inside.
In some embodiments, the equalizing beam support A, the equalizing beam support B and the equalizing beam are provided with lubricating oil holes on the outer sides, the sleeve, the bearing seat and the joint bearing outer ring are provided with annular lubricating grooves which are respectively aligned with the corresponding lubricating oil holes, and the annular lubricating grooves are provided with lubricating oil holes which lead to the inside.
In some embodiments, a cushion block is sleeved on the supporting shaft between the limiting component and the longitudinal beam; a radial gap exists between the cushion block and the supporting shaft, and a movement gap exists between the cushion block and the limiting part.
The utility model discloses the second aspect provides a rotary drill installs foretell rotary drill walking buffer gear.
The utility model discloses beneficial effect:
the utility model discloses an installation joint bearing on the equalizing beam, utilize to alternate back shaft wherein and connect equalizing beam and longeron, and leave certain movement clearance in the junction, and arrange corresponding lubricated passageway, can realize that the longeron keeps steadily relatively for the small amplitude swing of equalizing beam and the latter and the platform of getting on the bus, and then realize the motion buffering, reduce the deformation of structure, improve traveling system's reliability and life, install the sleeve on the longeron, avoid back shaft and longeron main part direct contact, thereby convenient maintenance is changed, and the maintenance cost is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
fig. 1 is a schematic sectional structure of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is the external lubricating oil port of the present invention.
The attached drawings are as follows: 1. the balance beam comprises a support shaft, 2, longitudinal beams, 2.1, balance beam supports A, 2.2, balance beam supports B, 2.3, a reinforcing plate, 2.4, a transverse plate, 3, a sleeve, 4, a bearing seat, 5, a retainer ring, 6, balance beams, 7, a joint bearing, 8, a cushion block, 9, bolts, 10 and nuts.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, a roller-cone drilling machine walking buffering device comprises a longitudinal beam 2, an equalizing beam 6, a supporting shaft 1, a knuckle bearing 7 and a fixing assembly thereof, wherein the longitudinal beam is a welding part, only an equalizing beam support A2.1, an equalizing beam support B2.2, a reinforcing plate 2.3 and a transverse plate 2.4 are shown in the embodiment, the reinforcing plate 2.3 is tiled and welded on the transverse plate 2.4, the equalizing beam support A2.1 and the equalizing beam support B2.2 are welded on the reinforcing plate 2.3, a round hole is formed in the middle of the reinforcing plate, an inner mounting sleeve 3 is arranged in the middle of the reinforcing plate, a round hole is formed in the end of the equalizing beam 6, the knuckle bearing 4 is fixed in the inner center of the bearing seat 4, a step is arranged in the bearing seat 4, one side end of the knuckle bearing 7 abuts against the step, the other side end of the knuckle bearing is limited by a retaining ring 5 clamped in the bearing seat 4, so that the knuckle bearing 7 is mounted on the equalizing beam 6, and the supporting shaft 1 penetrates through the knuckle bearing 7 and the equalizing beam support A2.1, the equalizing beam support, The equalizing beam support B2.2 is inside the sleeve 3, so that the longitudinal beam 2 and the equalizing beam 6 are movably connected together. One end of the supporting shaft 1 is provided with a radial through hole, a bolt 9 is arranged in the through hole, the axial displacement of the supporting shaft 1 is limited within a certain range by matching with a nut 10, a cushion block 8 is sleeved on the supporting shaft 1 between the bolt 9 and the equalizing beam support B2.2, and the cushion block 8 is mainly used for avoiding the direct contact of the bolt 9 and the nut 10 with the sleeve 3 and reducing the damage of the sleeve 3. In the actual working process, the supporting shaft 1 is in direct contact with the sleeve 3 and the knuckle bearing 7, so that abrasion is caused on parts which are low in value and easy to replace, and the maintenance cost is effectively reduced.
Can see the arrangement mode of lubricated passageway by figure 1, figure 2, figure 3, equalizer beam 6 and equalizer beam support A2.1, equalizer beam support B2.2 outside all opens the lubricated oil hole, sleeve 3, bearing frame 4, joint bearing 7 outer lane all opens annular lubrication groove, align with above-mentioned lubricated oil hole, it has lubricated oil hole to lead to inside to open on the annular lubrication groove, can need not consider sleeve 3 from this, bearing frame 4, the circumference mounted position of joint bearing 7 can realize the intercommunication of lubricated route, the assembly degree of difficulty has been reduced. When the system is filled with oil uniformly, the lubricating oil can reach the inner surface of the sleeve 3 and the inner surface of the knuckle bearing 7, so that the contact area is lubricated, the abrasion is reduced, and the service life of related structural parts is prolonged.
Because the joint bearing 7 is adopted to improve the freedom degree of movement of the walking mechanism, a movable space needs to be reserved at a relative movement position, radial gaps exist among the support shaft 1, the sleeve 3 and the bearing seat 4, a swing gap exists among the equalizing beam support A2.1, the equalizing beam support B2.2 and the equalizing beam 6, a radial gap exists among the cushion block 8 and the support shaft 1, and a movement gap exists among the cushion block 8, the bolt 9 and the nut 10, therefore, when a user shakes the vehicle, the support shaft 1 can be driven to rotate around the outer ring of the joint bearing 7 at the spatial position, and the vehicle-loading platform is difficult to rotate due to the fact that the vehicle-loading platform is matched with the equalizing beam and the front shaft through a plane, so that the vehicle-loading platform can keep relatively stable, movement buffering is realized, structural deformation is reduced, and the reliability and the service life of the whole machine are improved.
To sum up, the utility model discloses a rotary drill walking buffer gear, this mechanism comprises longeron, equalizing beam, back shaft, joint bearing and fixed subassembly. The joint bearing outer ring is matched with the bearing seat, the axial movement of the joint bearing is limited by the retainer ring, the bearing seat is fixed on the equalizing beam, the joint bearing inner ring is matched with the supporting shaft, the supporting shaft is used for connecting the longitudinal beam with the equalizing beam and bearing the weight of the loading platform, a certain movement gap is reserved at the joint and lubrication is applied, when the roller drill runs on a bumpy road, the travelling mechanism can swing in a small amplitude, the loading platform is kept stable relatively, movement buffering is further realized, the structural deformation is reduced, and the reliability of a travelling system is improved.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.
Claims (10)
1. A roller-bit drill walking buffer gear is characterized in that:
the device comprises a longitudinal beam, a balance beam, a support shaft and a joint bearing;
the longitudinal beam and the equalizing beam are movably connected through a support shaft inserted in the inner part, and the end part of the support shaft limits the axial movement of the support shaft through a connecting limiting part;
the inner ring of the joint bearing is matched with the support shaft, the outer ring of the joint bearing is matched with the bearing seat, the joint bearing is fixed in the bearing seat through a connecting and fastening part, the bearing seat is fixed on the equalizing beam, and the joint bearing is further installed on the equalizing beam.
2. The rotary drill walking buffer mechanism of claim 1, wherein:
the limiting component consists of a bolt and a nut;
one end of the support shaft is provided with a through hole, the bolt is arranged in the through hole, and the axial displacement of the support shaft is limited by matching with the nut.
3. The rotary drill walking buffer mechanism of claim 1, wherein:
the fastening part is a check ring;
the bearing seat is internally provided with a step, one end face of one side of the knuckle bearing is abutted against the step, and the end face of the other side of the knuckle bearing is limited by a check ring clamped inside the bearing seat.
4. The rotary drill walking buffering mechanism according to claim 1, characterized in that:
the longitudinal beam is a welding part and comprises a reinforcing plate, a transverse plate, a balance beam support A and a balance beam support B;
the reinforcing plate is tiled and welded on the transverse plate, and the equalizing beam support A and the equalizing beam support B are welded on the reinforcing plate.
5. The rotary drill walking buffer mechanism of claim 4, wherein:
the balance beam is arranged between the balance beam support A and the balance beam support B, and swing gaps exist among the balance beam support A, the balance beam support B and the balance beam.
6. The rotary drill walking buffer mechanism of claim 4, wherein:
round holes are formed in the equalizing beam support A and the equalizing beam support B, and sleeves are mounted in the round holes;
the support shaft penetrates through the sleeve and the joint bearing, and radial gaps are formed among the support shaft, the sleeve and the bearing seat.
7. The rotary drill walking buffer mechanism of claim 6, wherein:
and the equalizing beam support A, the equalizing beam support B and the equalizing beam are respectively provided with a lubricating channel leading to the inside.
8. The rotary drill walking buffer mechanism of claim 7, wherein:
lubricating oil holes are formed in the outer sides of the equalizing beam support A, the equalizing beam support B and the equalizing beam, annular lubricating grooves are formed in the sleeve, the bearing seat and the joint bearing outer ring and are aligned with the corresponding lubricating oil holes respectively, and the lubricating oil holes are formed in the annular lubricating grooves and are communicated with the inside of the annular lubricating grooves.
9. The rotary drill walking buffer mechanism of claim 1, wherein:
a cushion block is sleeved on the support shaft between the limiting component and the longitudinal beam;
a radial gap exists between the cushion block and the supporting shaft, and a movement gap exists between the cushion block and the limiting part.
10. A roller cone drill, characterized in that:
a roller cone drilling machine walking buffering mechanism of any one of claims 1 to 9 is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221767024.6U CN217501562U (en) | 2022-07-11 | 2022-07-11 | Roller drill walking buffer mechanism and roller drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221767024.6U CN217501562U (en) | 2022-07-11 | 2022-07-11 | Roller drill walking buffer mechanism and roller drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217501562U true CN217501562U (en) | 2022-09-27 |
Family
ID=83342464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221767024.6U Active CN217501562U (en) | 2022-07-11 | 2022-07-11 | Roller drill walking buffer mechanism and roller drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217501562U (en) |
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2022
- 2022-07-11 CN CN202221767024.6U patent/CN217501562U/en active Active
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