CN214465420U - Mine car pin shaft limiting device, mine car frame and mining dump truck - Google Patents
Mine car pin shaft limiting device, mine car frame and mining dump truck Download PDFInfo
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- CN214465420U CN214465420U CN202120582747.8U CN202120582747U CN214465420U CN 214465420 U CN214465420 U CN 214465420U CN 202120582747 U CN202120582747 U CN 202120582747U CN 214465420 U CN214465420 U CN 214465420U
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- mine car
- transition ring
- pin shaft
- baffle
- limiting device
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Abstract
The utility model discloses a mine car pin shaft limiting device, a mine car frame and a mining dump truck, wherein the mine car pin shaft limiting device comprises a baffle, a bolt, a gasket and a transition ring; the baffle is fixed at one end of the pin shaft and is close to the outer wall of the casting; the outer wall of the casting close to the baffle is provided with a smooth hole extending inwards, the outer inner diameter of the smooth hole is large, the inner diameter of the smooth hole is small, and the whole section is a T-shaped surface; the transition ring is arranged at the outer part of the smooth hole, and a threaded hole is formed in the transition ring; the pole portion of bolt is passed through and is twisted in the screw hole in the transition ring behind the gasket, and the pole portion along with the bolt continues to deepen to the inside in smooth hole for the head of bolt compresses tightly the transition ring, and the realization is spacing to the axial of round pin axle through blockking of transition ring. The utility model provides a mine car round pin axle stop device to the transition ring is installed to the assembly mode, and the rotation and the drunkenness of restriction round pin axle are avoided arranging the welding seam on the foundry goods, eliminate the welding drawback as far as possible, improve frame life.
Description
Technical Field
The utility model relates to a mine car round pin axle stop device belongs to mining dump truck technical field.
Background
The mining dump truck is a professional device for ore or earthwork transportation, and has the characteristics of heavy load, short transportation distance, high working efficiency and the like. In order to solve the problem of cracking of a stress concentration structure of a frame of a mine car, particularly, the bearing load is the largest at the position of a middle axle of the whole car, a casting structure is adopted, connecting welding seams are prevented from being arranged in a stress concentration area, and a pin shaft is required to be arranged on a casting at the position of the middle axle of the frame and used for installing a suspension oil cylinder.
In the prior art, a threaded seat is welded on a casting and a bolt is installed to limit rotation and play of a pin shaft, but the welding of the threaded seat on the casting brings welding defects and stress concentration is easy to generate, so that the casting is cracked; furthermore, it is known that the end of the bolt connected with the threaded seat is stressed the most, so that the threaded seat is easily damaged, and the threaded seat needs to be planed and replaced, which inevitably damages the base material and reduces the service life of the casting.
Disclosure of Invention
In order to solve the problems, the utility model provides a mine car pin shaft limiting device, which is characterized in that a smooth hole is arranged on a frame casting to install a transition ring and a bolt so as to limit the rotation and the movement of a pin shaft, avoid the arrangement of welding seams in a stress concentration area, eliminate welding defects as much as possible and prolong the service life of a frame; moreover, the transition ring is installed in the foundry goods with interference fit, and when the tip that bolt and transition ring are connected resulted in the transition ring to damage because of the stress is too big, only need to knock off the transition ring change can, avoided digging the rewelding damage base metal.
In order to achieve the above object, the present invention is realized by the following technical means:
the utility model discloses a mine car pin shaft limiting device, which comprises a baffle, a bolt, a gasket and a transition ring; the baffle is fixed at one end of the pin shaft and is close to the outer wall of the casting; the outer wall of the casting close to the baffle is provided with a smooth hole extending inwards, the outer inner diameter of the smooth hole is large, the inner diameter of the smooth hole is small, and the whole section is a T-shaped surface; the transition ring is arranged at the outer part of the smooth hole, and a threaded hole is formed in the transition ring; the pole portion of bolt is passed through and is twisted in the screw hole in the transition ring behind the gasket, and the pole portion along with the bolt continues to deepen to the inside in smooth hole for the head of bolt compresses tightly the transition ring, and the realization is spacing to the axial of round pin axle through blockking of transition ring.
As the utility model discloses an optimization scheme: the transition ring is embedded in the outer part of the smooth hole in an interference fit mode, when the end part of the bolt connected with the transition ring is damaged due to overlarge stress, the transition ring is only required to be knocked off for replacement, and the base metal is prevented from being damaged by digging and re-welding.
The specific scheme is as follows: the baffle is welded on the pin shaft. The baffle is of a structure with a narrow upper part and a wide lower part. The lower part of the baffle is of a circular ring structure and is used for being connected with a pin shaft; the top of the baffle is provided with a notch for passing through the transition ring.
As the utility model discloses an optimization scheme: the outer diameter of the gasket is larger than the width of the notch, so that the gasket can block the baffle from moving.
The utility model also discloses a mine car frame is equipped with the foundry goods on the frame, be equipped with foretell mine car round pin axle stop device on the foundry goods.
The utility model also discloses a mining dump truck installs foretell mine car frame.
Compared with the prior art, the utility model discloses beneficial effect:
the utility model provides a mine car pin shaft limiting device, which is provided with a transition ring in an assembling mode, limits the rotation and the movement of a pin shaft, avoids the arrangement of welding seams on a casting, eliminates the welding defects as much as possible and prolongs the service life of a frame; moreover, the transition ring is installed in the foundry goods with interference fit, and when the tip that bolt and transition ring are connected resulted in the transition ring to damage because of the stress is too big, only need to knock off the transition ring change can, avoided digging the rewelding damage base metal.
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 view showing the layout of the mine car pin shaft limiting device of the present invention;
FIG. 2 is a front view of the structure of the mine car pin shaft limiting device of the present invention;
FIG. 3 is a cross-sectional view of the structure of the mine car pin shaft limiting device of the present invention.
The reference numerals have the following meanings: the frame is characterized in that the frame comprises a casting 1, a gasket 2, a bolt 3, a transition ring 4, a baffle 5, a pin shaft 6 and a frame 7.
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 figures 1, 2 and 3, the mine car pin shaft limiting device comprises a baffle plate 5, a bolt 3, a gasket 2 and a transition ring 4; the baffle 5 is fixed at one end of the pin shaft 6, and the baffle 5 is close to the outer wall of the casting 1; the outer wall of the casting 1 close to the baffle 5 is provided with a smooth hole extending inwards, the outer inner diameter of the smooth hole is large, the inner diameter of the smooth hole is small, and the whole section is a T-shaped surface; the transition ring 4 is arranged at the outer part of the smooth hole, and a threaded hole is formed in the transition ring 4; screw in the screw hole in the transition ring 4 after gasket 2 is run through in the pole portion of bolt 3, follow the pole portion of bolt 3 and continue to go deep to the inside of smooth hole for the head of bolt 3 compresses tightly transition ring 4, and the realization is spacing to the axial of round pin axle 6 through blockking of transition ring 4.
As the utility model discloses an optimization scheme: continuing to refer to fig. 3, transition ring 4 inlays in the outside department of smooth hole with interference fit mode, and when the tip that bolt 3 is connected with transition ring 4 leads to transition ring 4 to damage because of the stress is too big, only need to knock off transition ring 4 and change can, avoided digging out the rewelding damage base metal.
The preferable scheme is as follows: the baffle 5 is welded on the pin shaft 6.
The specific scheme is as follows: the baffle 5 is of a structure with a narrow upper part and a wide lower part. The lower part of the baffle 5 is of a circular ring structure and is used for being connected with a pin shaft 6; the top of the baffle 5 is notched for passing through the transition ring 4.
Note that the outer diameter of the spacer 2 is larger than the width of the notch, so that the spacer 2 can block the movement of the baffle 5.
The above is only a preferred embodiment of the baffle, and the practical use is not limited to the above structure, and the baffle can be changed according to practical situations.
According to the mine car pin shaft limiting device, the transition ring and the bolt are arranged on the frame casting through the smooth hole, so that the rotation and the movement of the pin shaft are limited, the welding seam is prevented from being arranged in the stress concentration area, the welding defect is eliminated as much as possible, and the service life of the frame is prolonged; moreover, the transition ring is installed in the foundry goods with interference fit, and when the tip that bolt and transition ring are connected resulted in the transition ring to damage because of the stress is too big, only need to knock off the transition ring change can, avoided digging the rewelding damage base metal.
The utility model also discloses a mining vehicle frame is equipped with foundry goods 1 on the frame 7, is equipped with foretell mine car round pin axle stop device on the foundry goods 1.
The utility model also discloses a mining dump truck installs foretell mine car frame.
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 (8)
1. The utility model provides a mine car round pin axle stop device which characterized in that:
the device comprises a baffle plate, a bolt, a gasket and a transition ring;
the baffle is fixed at one end of the pin shaft and is close to the outer wall of the casting;
the outer wall of the casting close to the baffle is provided with a smooth hole extending inwards, the outer inner diameter of the smooth hole is large, the inner diameter of the smooth hole is small, and the whole section is a T-shaped surface;
the transition ring is arranged at the outer part of the smooth hole, and a threaded hole is formed in the transition ring;
the pole portion of bolt is passed through and is twisted in the screw hole in the transition ring behind the gasket, and the pole portion along with the bolt continues to deepen to the inside in smooth hole for the head of bolt compresses tightly the transition ring, and the realization is spacing to the axial of round pin axle through blockking of transition ring.
2. The mine car pin shaft limiting device according to claim 1, characterized in that:
the transition ring is embedded at the outer part of the smooth hole in an interference fit mode.
3. The mine car pin shaft limiting device according to claim 1, characterized in that:
the baffle is welded on the pin shaft.
4. The mine car pin shaft limiting device according to claim 1, characterized in that:
the lower part of the baffle is of a circular ring structure and is used for being connected with a pin shaft;
the top of the baffle is provided with a notch for passing through the transition ring.
5. The mine car pin shaft limiting device according to claim 4, characterized in that:
the outer diameter of the gasket is larger than the width of the notch, so that the gasket can block the baffle from moving.
6. The mine car pin shaft limiting device according to claim 4, characterized in that:
the baffle is of a structure with a narrow upper part and a wide lower part.
7. A mine car frame is characterized in that:
the frame is provided with a casting which is provided with the mine car pin shaft limiting device according to any one of claims 1 to 6.
8. A mining dump truck is characterized in that:
fitted with a mine car frame according to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120582747.8U CN214465420U (en) | 2021-03-23 | 2021-03-23 | Mine car pin shaft limiting device, mine car frame and mining dump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120582747.8U CN214465420U (en) | 2021-03-23 | 2021-03-23 | Mine car pin shaft limiting device, mine car frame and mining dump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214465420U true CN214465420U (en) | 2021-10-22 |
Family
ID=78159184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120582747.8U Active CN214465420U (en) | 2021-03-23 | 2021-03-23 | Mine car pin shaft limiting device, mine car frame and mining dump truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214465420U (en) |
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2021
- 2021-03-23 CN CN202120582747.8U patent/CN214465420U/en active Active
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