CN220720757U - Connector for coal mine car - Google Patents
Connector for coal mine car Download PDFInfo
- Publication number
- CN220720757U CN220720757U CN202420439144.6U CN202420439144U CN220720757U CN 220720757 U CN220720757 U CN 220720757U CN 202420439144 U CN202420439144 U CN 202420439144U CN 220720757 U CN220720757 U CN 220720757U
- Authority
- CN
- China
- Prior art keywords
- connector
- connecting rod
- hole
- mine car
- coal mine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003245 coal Substances 0.000 title claims abstract description 15
- 230000007704 transition Effects 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 18
- 239000010687 lubricating oil Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Pivots And Pivotal Connections (AREA)
Abstract
The utility model belongs to the technical field of coal mine equipment, and particularly relates to a connector for a coal mine car, which comprises connectors, connecting rods and connecting components, wherein the connectors are symmetrically provided with two connectors and have the same structure, and each connector comprises a connecting part and a working part; the two ends of the connecting rod are connected with connecting components in a threaded manner; the connecting component comprises a ball swivel in threaded connection with two ends of the connecting rod and an annular limiting sleeve in threaded connection with the connecting hole; the connector for the mine car is redesigned based on the actual use condition, in the connector, the connector has the capability of rotating along a certain deflection angle by the cooperation of the connecting component and the connecting rod in the connecting head, and the problem that the existing connector has no deflection capability in the use process and is easy to bend or break after collision with the mine car body is solved by arranging the stress release holes.
Description
Technical Field
The utility model belongs to the technical field of coal mine equipment, and particularly relates to a connector for a coal mine car.
Background
The existing mine car and the connector used between mine cars are generally hard connected, the hard connection mode enables two or a plurality of mine cars which are connected with each other to run, particularly when the mine car runs on an ascending slope or turns, the hard connector cannot flexibly rotate, collision and friction can be generated between the hard connector and the contact part of the mine car, bending or breaking of the hard connector is easy to cause, and the phenomenon that the center of gravity of the mine car is unstable and rollover occurs is caused seriously.
Therefore, there is a need for an improvement to the above-described problems.
Disclosure of Invention
In view of the above, the utility model aims to provide a connector for a mine car, which aims to solve the problems that the existing rigid connector for the mine car is poor in flexibility and easy to bend or break when the mine car passes through a slope section or a turning section.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a connector for a coal mine car, comprising:
the two connectors are symmetrically arranged and have the same structure, each connector comprises a connecting part and a working part which are integrally arranged, wherein the connecting parts are connected with the working parts through a group of transition inclined planes which are symmetrically arranged, connecting holes are formed in the connecting parts, and mounting holes are formed in the working parts;
the two ends of the connecting rod are connected with connecting components in a threaded manner, and the connector is integrally assembled through the cooperation of the connecting components and the connecting holes;
the connecting assembly comprises a ball swivel in threaded connection with two ends of the connecting rod and an annular limiting sleeve in threaded connection with the connecting hole, and on the basis, an arc surface and a conical surface are arranged on the annular limiting sleeve, wherein the arc surface is in direct contact with part of the outer surface of the ball swivel, meanwhile, the rest outer surface of the ball swivel is attached to the connecting hole, and an included angle between a bus of the conical surface and the central line of the connecting rod is 6 degrees, so that a limiting cavity for accommodating the movement of the connecting rod is formed inside the annular limiting sleeve;
in the connecting assembly, a plurality of rotating holes are uniformly formed in the side end face of the annular limiting sleeve along the circumference of the side end face, and welding spot grooves are formed in the outer edge of the side end face;
the connector, the connecting rod and the connecting component all adopt 40Cr.
Preferably, on each of the connection heads, a stress release hole is further formed in the working portion.
More preferably, on each connecting head, the transition inclined planes are symmetrically arranged on two sides of the working part, and an included angle between the transition inclined planes and the working part is 135 degrees.
Further, an oil filling hole is formed in the transition inclined plane and communicated with the connecting hole, and an oil filling sealing cover is connected with the oil filling hole in a threaded fit mode.
Furthermore, both ends of the connecting rod are spherical surfaces, an annular oiling groove is formed in the edge position of each spherical surface, and the annular oiling groove corresponds to the oil injection hole.
The utility model has the beneficial effects that:
in general, the present utility model redesigns the structure of the connector for coal mine vehicles based on actual use. In the connector, the connector has the capability of rotating along a certain deflection angle by the cooperation of the connecting component and the connecting rod, and the stress release hole is arranged, so that the problems that the existing connector has no deflection capability in the use process and is easy to bend or break after collision with a mine car body are solved, the service life of the device is prolonged, the production cost is reduced from the side surface, and the practicability of the utility model is embodied.
In addition, in the connector, the materials of the connector head, the connecting rod and the connecting component are 40Cr, the hardness and other mechanical properties of 40Cr are superior to those of No. 45 steel, and the main point is that the 40Cr material can be used for prolonging the service life in the working process of the ball swivel bearing the tensile force and the connecting rod bearing the tensile force and the shearing force; furthermore, the arrangement of the welding spot groove enables the connector to be welded with the annular limiting sleeve and the connector into a whole in the welding spot groove after the connector is assembled, so that the ball swivel is prevented from being separated from the connector, and lubricating oil is filled into the annular oiling groove in the connector through the oil filling hole in the daily use process, so that a lubricating effect is provided for deflection of the connector.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the overall structure of the present utility model;
fig. 3 is a schematic diagram of the mating connection of the connecting rod and the connecting assembly according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The existing hard connectors used between mine cars for coal mines are generally hard-connected, the hard-connected mode enables two or a plurality of mine cars connected with each other to be hard-connected, and the hard connectors cannot flexibly rotate during running, particularly when the mine cars meet an uphill road section or a turning road section, not only can collision and friction occur on contact positions of the hard connectors, but also bending or breaking of the hard connectors are easy to cause, and the phenomenon of rollover of the mine cars due to unstable gravity centers is also caused in severe cases.
In view of this, the present application provides a connector for a coal mine car, the structure of which is redesigned based on actual use conditions. In the connector, the inside of connecting portion makes the connector possess along the rotatory ability of certain deflection angle with the cooperation of coupling assembling and connecting rod, and the setting of stress relief hole is assisted again, has solved current connector and has not deflection ability in the use, bends or the problem of rupture after bumping with the mine car body easily.
The scheme provided by the utility model will be described in detail below with reference to the accompanying drawings.
In the technical scheme, as shown in fig. 1-3, the connector for the coal mine car comprises a connector head 1, a connecting rod 2 and a connecting assembly 3.
As shown in fig. 1-2, two connectors 1 are symmetrically arranged, and the structures are identical, and each connector 1 includes a connecting portion 101 and a working portion 102 that are integrally arranged.
Wherein, the connecting part 101 is connected with the working part 102 through a group of transition inclined planes 103 which are symmetrically arranged, and the connecting part 101 is provided with a connecting hole 104; the working portion 102 is provided with a mounting hole 105 for connecting the connector 1 with the mine car body.
On this basis, the working portion 102 is further provided with a stress release hole 106 for releasing the stress of the shear force and the stress in the structure applied to the working portion 102 during use, so as to prevent fatigue fracture of the working portion 102.
Based on the above embodiment, on each connector 1, the transition inclined planes 103 are symmetrically disposed on two sides of the working portion 102, and the included angle between the transition inclined planes 103 and the working portion 102 is 135 °; in addition, the transition inclined plane 103 is provided with an oil filling hole 107, the oil filling hole 107 is communicated with the connecting hole 104, and the oil filling hole 107 is in threaded fit connection with an oil filling sealing cover.
So far, the two connectors 1 with the structure have attractive appearance; the oil filling hole 107 is a countersunk hole, and the oil filling sealing cover is completely hidden in the oil filling hole 107, so that the oil filling sealing cover is prevented from being collided and damaged in daily work to further cause the leakage of lubricating oil.
In this technical scheme, it is important that, as shown in fig. 1-2, a connecting rod 2 is arranged between two connectors 1 symmetrically arranged, two ends of the connecting rod 2 are connected with a connecting component 3 in a threaded manner, and in this embodiment, the whole assembly of the connector is realized through the cooperation of the connecting component 3 and a connecting hole 104.
The connecting assembly 3 comprises a ball swivel 301 in threaded connection with both ends of the connecting rod 2, and an annular limit sleeve 302 in threaded connection with the connecting hole 104.
On this basis, an arc surface 305 and a conical surface 306 are arranged on the annular limiting sleeve 302, wherein the arc surface 305 is in direct contact with part of the outer surface of the ball swivel 301, and meanwhile, the rest of the outer surface of the ball swivel 301 is attached to the connecting hole 104.
On this basis, as shown in fig. 2-3, on the annular limiting sleeve 302, an included angle between a bus of the conical surface 306 and the central line of the connecting rod 2 is 6 degrees, so that a limiting cavity for accommodating the movement of the connecting rod 2 is formed inside the annular limiting sleeve 302.
The connecting rod 2 has the capability of rotating along a certain deflection angle, and under the deflection angle, the connector provided by the utility model can be well applied to curve sections and ramp sections, and the phenomenon that the connector collides with a mine car is prevented.
In addition, in this application, all parts of the connector adopt mechanical properties such as 40Cr,40Cr hardness, etc. which are superior to those of No. 45 steel, and above all, the use of 40Cr material can make the service life longer in the working process of the ball swivel 301 bearing tensile force and the connecting rod 2 bearing tensile force and shearing force.
Based on the above embodiment, the two end portions of the connecting rod 2 are spherical surfaces 202, the spherical surfaces 202 and the ball swivel 301 together form a spherical rotating structure, and an annular oil filling groove 201 is disposed at the edge of the spherical surfaces 202, and the annular oil filling groove 201 corresponds to the position of the oil filling hole 107, in this embodiment, the annular oil filling groove 201 is used for storing lubricating oil.
A plurality of rotation holes 303 are uniformly formed in the side end surface 307 of the annular limiting sleeve 302 along the circumference thereof, in this embodiment, after the connecting rod 2 is screwed into the ball swivel 301, the engagement of the rotation holes 303 with a wrench is used to screw the annular limiting sleeve 302 into the connecting portion 101 and engage with the connecting hole 104, and on this basis, a welding spot groove 304 is formed at the outer edge of the side end surface 307, and after the connector is assembled, the annular limiting sleeve 302 and the connector 1 are welded into a whole in the welding spot groove 304, so as to prevent the ball swivel 301 from being separated from the connector 1.
Specifically, when the connector for the mine car is used for connecting the mine cars, the two annular limiting sleeves 302 are initially and symmetrically sleeved on the connecting rod 2, the ball rotary joints 301 are respectively connected at the two ends of the connecting rod 2 in a threaded mode, the spherical surfaces at the two ends of the connecting rod 2 and the ball rotary joints 301 form a spherical rotating structure together, the situation shown in fig. 3 is achieved, the annular limiting sleeves 302 are screwed into the connecting part 101 through the matching of the spanner and the rotating holes 303 and matched with the connecting holes 104, the annular limiting sleeves 302 and the connecting head 1 are welded into a whole in the welding spot grooves 304 of the annular limiting sleeves 302, lubricating oil is injected into the connecting part 101 through the oil injection holes 107, the oiling sealing covers are screwed, the connector is assembled, then the rotating shaft penetrates through the connecting parts of the mine car body and the mounting holes 105, and the integral installation of the mine car and the connector is completed.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. The utility model provides a connector for colliery mine car which characterized in that includes:
the two connectors are symmetrically arranged and have the same structure, each connector comprises a connecting part and a working part which are integrally arranged, wherein the connecting parts are connected with the working parts through a group of transition inclined planes which are symmetrically arranged, connecting holes are formed in the connecting parts, and mounting holes are formed in the working parts;
the two ends of the connecting rod are connected with connecting components in a threaded manner, and the connector is integrally assembled through the cooperation of the connecting components and the connecting holes;
the connecting assembly comprises a ball swivel in threaded connection with two ends of the connecting rod and an annular limiting sleeve in threaded connection with the connecting hole, and on the basis, an arc surface and a conical surface are arranged on the annular limiting sleeve, wherein the arc surface is in direct contact with part of the outer surface of the ball swivel, meanwhile, the rest outer surface of the ball swivel is attached to the connecting hole, and an included angle between a bus of the conical surface and the central line of the connecting rod is 6 degrees, so that a limiting cavity for accommodating the movement of the connecting rod is formed inside the annular limiting sleeve;
in the connecting assembly, a plurality of rotating holes are uniformly formed in the side end face of the annular limiting sleeve along the circumference of the side end face, and welding spot grooves are formed in the outer edge of the side end face;
the connector, the connecting rod and the connecting component all adopt 40Cr.
2. A connector for a coal mine car as claimed in claim 1, wherein: and a stress release hole is further formed in each working part on each connecting head.
3. A connector for a coal mine car as claimed in claim 2, wherein: on each connecting head, the transition inclined planes are symmetrically arranged on two sides of the working part, and the included angle between the transition inclined planes and the working part is 135 degrees.
4. A connector for a coal mine vehicle as claimed in claim 3, wherein: the transition inclined plane is provided with an oil filling hole, the oil filling hole is communicated with the connecting hole, and the oil filling hole is connected with an oil filling sealing cover in a threaded fit manner.
5. The connector for coal mine vehicles according to claim 4, wherein: the two ends of the connecting rod are spherical surfaces, an annular oiling groove is formed in the edge of each spherical surface, and the annular oiling groove corresponds to the oil injection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420439144.6U CN220720757U (en) | 2024-03-07 | 2024-03-07 | Connector for coal mine car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420439144.6U CN220720757U (en) | 2024-03-07 | 2024-03-07 | Connector for coal mine car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220720757U true CN220720757U (en) | 2024-04-05 |
Family
ID=90526198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420439144.6U Active CN220720757U (en) | 2024-03-07 | 2024-03-07 | Connector for coal mine car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220720757U (en) |
-
2024
- 2024-03-07 CN CN202420439144.6U patent/CN220720757U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |