CN214946153U - Belt tensioning mechanism for grinding machine - Google Patents
Belt tensioning mechanism for grinding machine Download PDFInfo
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- CN214946153U CN214946153U CN202022849456.9U CN202022849456U CN214946153U CN 214946153 U CN214946153 U CN 214946153U CN 202022849456 U CN202022849456 U CN 202022849456U CN 214946153 U CN214946153 U CN 214946153U
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Abstract
The utility model discloses a belt tensioning mechanism for a grinding machine, which belongs to the technical field of railway maintenance machinery, and comprises an upper bottom plate connected with a belt pulley A and a lower bottom plate connected with a belt pulley B, wherein an adjusting bolt is arranged between the upper bottom plate and the lower bottom plate, the adjusting bolt comprises an adjusting screw rod and an adjusting nut, one end of the adjusting screw rod is rotatably connected on the lower bottom plate, the other end of the adjusting screw rod is meshed with a screw hole on the upper bottom plate, and the adjusting nut is fixedly sleeved outside the adjusting screw rod; a connecting bolt is further arranged between the upper base plate and the lower base plate, a stud of the connecting bolt penetrates through the upper base plate and the lower base plate simultaneously to connect the upper base plate and the lower base plate, the upper base plate, the lower base plate and the stud are in movable fit, and a locking nut is meshed at the tail end of the stud. The technical scheme has simple structure and reliable performance, can be used for tensioning the belts of the grinding machine and the derusting machine, and can also be independently applied to other belt transmission occasions.
Description
Technical Field
The utility model belongs to the technical field of railway maintenance machinery technique and specifically relates to a belt tensioning mechanism for polisher is particularly useful for the tensioning of band pulley on rail maintenance machinery such as polisher, deruster, also can use in other belt drive's occasions.
Background
In railway transportation systems, rails are important basic components for ensuring the normal operation of railways. In the service process of the steel rail, various surface damages can occur, such as wave-shaped abrasion of the steel rail, rail surface abrasion, rail surface stripping, severe rail side abrasion, cracks, head crushing and the like. Once the surface damage occurs, the surface damage generally develops at a higher speed, and the railway transportation capacity and the economic benefit are influenced. Various surface damages can be effectively removed by polishing and derusting the steel rail, thereby greatly improving the relationship between the wheel and the rail, improving the running stability and safety of the train and reducing the railway operation cost.
At present, the grinding machine tool for railway maintenance mostly adopts belt transmission to work, and belt transmission mechanism is along with the increase of live time, and driving belt is easy not hard up, need to carry out the tensioning to it and just can improve the accuracy of drive ratio, and the tensioning of belt pulley on the grinding machine tool has very important effect to maintaining the reliable transmission of grinding machine tool, guaranteeing its normal work.
Traditional belt tensioning mode is all to carry out the tensioning through the take-up pulley, but the mounted position of take-up pulley is fixed, and tensioning effect is not good enough after the live time has been long.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects in the prior art, the utility model aims to provide a belt tensioning mechanism for a grinding machine, the tensioning degree of the belt tensioning mechanism can be conveniently adjusted, and the tensioning effect is more reliable.
The utility model provides a technical scheme that its technical problem adopted does:
the belt tensioning mechanism for the grinding machine comprises an upper base plate and a lower base plate, wherein the upper base plate is connected with a belt pulley A, the lower base plate is connected with a belt pulley B, an adjusting bolt is arranged between the upper base plate and the lower base plate and comprises an adjusting screw rod and an adjusting nut, one end of the adjusting screw rod is rotatably connected to the lower base plate, the other end of the adjusting screw rod is meshed with a screw hole in the upper base plate, and the adjusting nut is fixedly sleeved on the outer side of the adjusting screw rod and can drive the adjusting screw rod to rotate;
the connecting bolt is further arranged between the upper base plate and the lower base plate, the head of the connecting bolt is located on the upper side of the upper base plate, a stud of the connecting bolt penetrates through the upper base plate and the lower base plate simultaneously to connect the upper base plate and the lower base plate, the upper base plate, the lower base plate and the stud are in movable fit, a locking nut is meshed at the tail end of the stud, and the locking nut is located below the lower base plate.
Further, the adjusting nut is positioned between the upper base plate and the lower base plate.
Furthermore, the upper bottom plate and the lower bottom plate are provided with connecting holes for the studs to pass through at the matching positions with the connecting bolts, the connecting holes are through holes, and the diameters of the connecting holes are larger than those of the studs.
Furthermore, the connecting bolts are arranged in a plurality of numbers, and the connecting bolts are symmetrically distributed on two sides of the adjusting bolt.
Furthermore, one side of the locking nut, which is close to the lower bottom plate, is provided with an elastic gasket.
Furthermore, the adjusting screw is connected with the lower bottom plate through a bearing.
Furthermore, a boss is arranged at the position of the upper base plate where the screw hole is formed.
Further, the boss is disposed at a lower side of the upper base plate.
Furthermore, the upper bottom plate and the lower bottom plate are rectangular, and the connecting bolts are distributed at four corners of the upper bottom plate and the lower bottom plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a belt straining device for polisher, the upper plate is used for being connected with belt pulley A, the lower plate is used for being connected with belt pulley B, distance between upper plate and the lower plate can be with the convenient adjustment of rotatory adjusting bolt, and interval between the two locks through lock nut, thereby distance between regulation belt pulley A that can be convenient and the belt pulley B, realize the tensioning of belt, it is smooth-going to ensure belt drive's high efficiency, moreover, the steam generator is simple in structure, the dependable performance, tensioning degree is adjusted conveniently, not only be applicable to the polisher, the tensioning of belt on railway maintenance machinery such as deruster, can also independent application to in any kind of belt drive's occasion.
2. The utility model discloses a belt straining device for polisher, adjusting nut are located between upper plate and the lower plate, avoid adjusting nut protrusion at the mechanism outside extra occupation space for the structure of whole mechanism is compacter.
3. The utility model discloses a belt straining device for polisher, connecting bolt couple together upper plate and lower plate through the connecting hole, and the diameter of connecting hole is greater than the diameter of double-screw bolt, not only makes the equipment of mechanism very simple, and the double-screw bolt forms the direction to the removal of upper plate moreover.
4. The utility model discloses a belt straining device for polisher, connecting bolt are provided with a plurality ofly and at adjusting bolt's bilateral symmetry distribution, and connecting bolt's screw rod plays the effect of supporting legs, is convenient for to the stable stay of mechanism.
5. In the belt tensioning mechanism for the grinding machine, one side of the locking nut, which is close to the lower bottom plate, is provided with the elastic gasket, so that the locking effect is improved; the adjusting screw is connected with the lower bottom plate through the bearing, so that the connection reliability and the rotation stability of the adjusting screw are guaranteed, meanwhile, the bearing is arranged, the abrasion between the parts can be effectively reduced, and the service life of the mechanism is prolonged.
6. In the belt tensioning mechanism for the grinding machine, the boss is arranged at the position of the upper bottom plate, which is provided with the screw hole, so that the strength of the upper bottom plate at the hole opening part is ensured, and the use reliability of the mechanism is ensured; the boss sets up the downside at the upper plate, avoids the boss additionally to take up space in the outside for the structure of whole mechanism is compacter.
7. The utility model discloses a belt straining device for polisher, upper plate, lower plate are the rectangle, and the rectangle has sharp edge, the erection joint of the belt pulley of being convenient for, and connecting bolt distributes in four angle departments of upper plate and lower plate, is convenient for to the outrigger of mechanism.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic view of a usage status of the embodiment of the present invention.
In the figure: the belt pulley comprises an upper base plate 1, an adjusting bolt 2, an adjusting screw rod 21, an adjusting nut 22, a lower base plate 3, a connecting bolt 4, a stud 41, a locking nut 42, an elastic gasket 43, a screw hole 5, a bearing 6, a boss 7, a belt pulley A8, a belt 9 and a belt pulley B10.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.
The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
As shown in fig. 1 and 2, an embodiment of the utility model provides a belt tensioning mechanism for polisher, including being used for the upper plate 1 of being connected with belt pulley A8 and being used for the lower plate 3 of being connected with belt pulley B10, be provided with adjusting bolt 2 between upper plate 1 and the lower plate 3, adjusting bolt 2 includes adjusting screw 21 and adjusting nut 22, rotatable the connecting on lower plate 3 of adjusting screw 21 one end, the adjusting screw 21 other end meshes with screw 5 on upper plate 1 mutually, adjusting nut 22 fixed cover is put in adjusting screw 21's the outside and can drive adjusting screw 21 rotatory.
The connecting bolt 4 is further arranged between the upper base plate 1 and the lower base plate 3, the head of the connecting bolt 4 is located on the upper side of the upper base plate 1, a stud 41 of the connecting bolt 4 penetrates through the upper base plate 1 and the lower base plate simultaneously to connect the upper base plate 1 and the lower base plate, the upper base plate 1, the lower base plate 3 and the stud 41 are in movable fit, a locking nut 42 is meshed at the tail end of the stud 41, and the locking nut 42 is located below the lower base plate 3.
In particular, in order to reduce the volume of the tensioning mechanism and make the mechanism more compact, the adjusting nut 22 is located between the upper base plate 1 and the lower base plate 3.
In this embodiment, the specific connection mode between the upper plate 1, the lower plate 3 and the connecting bolt 4 is as follows: the upper base plate 1, the lower base plate 3 and the connecting bolt 4 are provided with connecting holes at the matching positions, through which the studs 41 pass, the connecting holes are through holes, and the diameter of the connecting holes is larger than that of the studs 41, so that the upper base plate 1 can move up and down along the studs 41.
The connecting bolts 4 are arranged in a plurality of symmetrical distribution at two sides of the adjusting bolt 2, so that the screw rods 41 of the connecting bolts 4 can support the supporting legs, and the mechanism is stably supported. In this embodiment, upper plate 1, lower plate 3 are the rectangle, the erection joint of the belt pulley of being convenient for, and connecting bolt 4 distributes in four angles departments of upper plate 1 and lower plate 3 for whole mechanism's steadiness is good.
To improve the locking effect, the locking nut 42 is provided with an elastic washer 43 on the side close to the lower plate 3.
In this embodiment, the adjusting screw 21 is connected to the lower plate 3 through a bearing 6. Specifically, the outer ring of the bearing 6 can be fixedly connected with the lower base plate 3, and the inner ring of the bearing 6 is fixedly connected with the adjusting screw 21, so that the adjusting screw 21 can rotate more smoothly, and the abrasion between the adjusting screw 21 and the lower base plate 3 is avoided.
In order to ensure the mechanical strength of the upper base plate 1, a boss 7 is arranged at the position of the upper base plate 1 where the screw hole 5 is arranged. In order to make the structure of the mechanism more compact, the boss 7 is arranged on the lower side of the upper base plate 1.
To facilitate an understanding of the present invention, it is further described below in connection with a use process:
as shown in FIG. 2, in use, pulley A8 is mounted on upper plate 1, pulley B10 is mounted on lower plate 3, pulley A8 and pulley B10 can be connected to upper plate 1 and lower plate 3 by brackets, which are mounted on upper plate 1 and lower plate 3 respectively, for facilitating the mounting of pulley A8 and pulley B10, pulley A8 and pulley B10 are mounted on corresponding brackets, and pulley A8 and pulley B10 are connected by belt 9 to form a belt transmission mechanism. Through twisting adjusting nut 22 and drive adjusting screw 21 and rotate, because adjusting screw 21 and the meshing of screw 5 on the upper plate 1, upper plate 1 can't follow adjusting screw 21 and rotate under the restriction of connecting bolt 4 simultaneously, so under screw drive's effect, adjusting screw 21 rotates and can drive upper plate 1 and reciprocate, realize the regulation of interval between upper plate 1 and the lower plate 3, thereby realize the regulation of distance between belt pulley A8 and the belt pulley B10, realize the tensioning of belt 9. After the distance is adjusted properly, the distance between the upper plate 1 and the lower plate 3 is fixed by the lock nut 42.
The utility model discloses the belt straining device of example, the convenience is adjusted to the tensioning degree, ensures that belt drive's high efficiency is smooth-going, and simple structure, dependable performance not only are applicable to the tensioning of the last belt of railway maintenance machinery such as polisher, deruster, can also independent apply to in any kind of belt drive's occasion.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Besides the technical features described in the specification, other technical features are known to those skilled in the art, and further description of the other technical features is omitted here in order to highlight the innovative features of the present invention.
Claims (9)
1. A belt tensioning mechanism for a grinding machine is characterized by comprising an upper base plate and a lower base plate, wherein the upper base plate is used for being connected with a belt pulley A, the lower base plate is used for being connected with a belt pulley B, an adjusting bolt is arranged between the upper base plate and the lower base plate and comprises an adjusting screw rod and an adjusting nut, one end of the adjusting screw rod is rotatably connected onto the lower base plate, the other end of the adjusting screw rod is meshed with a screw hole in the upper base plate, and the adjusting nut is fixedly sleeved on the outer side of the adjusting screw rod and can drive the adjusting screw rod to rotate;
the connecting bolt is further arranged between the upper base plate and the lower base plate, the head of the connecting bolt is located on the upper side of the upper base plate, a stud of the connecting bolt penetrates through the upper base plate and the lower base plate simultaneously to connect the upper base plate and the lower base plate, the upper base plate, the lower base plate and the stud are in movable fit, a locking nut is meshed at the tail end of the stud, and the locking nut is located below the lower base plate.
2. The belt tensioning mechanism for a sander as set forth in claim 1, wherein said adjustment nut is located between an upper base plate and a lower base plate.
3. The belt tensioning mechanism for the grinding machine as claimed in claim 1, wherein the upper base plate and the lower base plate are provided with connecting holes for the studs to pass through at the matching positions with the connecting bolts, the connecting holes are through holes, and the diameter of the connecting holes is larger than that of the studs.
4. The belt tensioner mechanism for a sander according to claim 1 or 3, wherein the connecting bolt is provided in plural, and plural connecting bolts are symmetrically distributed on both sides of the adjusting bolt.
5. The belt tensioner mechanism for a sander as set forth in claim 1, wherein said lock nut is provided with a resilient washer on a side thereof adjacent to the lower base plate.
6. The belt tensioner mechanism for a sander as set forth in claim 1, wherein said adjusting screw is connected to the lower base plate by a bearing.
7. The belt tensioner mechanism for a sander as set forth in claim 1 or 6, wherein a boss is provided at a position where the screw hole is provided on the upper base plate.
8. The belt tensioning mechanism for a sander according to claim 7, wherein the boss is provided on the underside of the upper base plate.
9. The belt tensioner mechanism for a sander as set forth in claim 1, wherein said upper and lower base plates are rectangular and said connecting bolts are distributed at four corners of said upper and lower base plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022849456.9U CN214946153U (en) | 2020-12-02 | 2020-12-02 | Belt tensioning mechanism for grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022849456.9U CN214946153U (en) | 2020-12-02 | 2020-12-02 | Belt tensioning mechanism for grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214946153U true CN214946153U (en) | 2021-11-30 |
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ID=79035876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022849456.9U Active CN214946153U (en) | 2020-12-02 | 2020-12-02 | Belt tensioning mechanism for grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214946153U (en) |
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2020
- 2020-12-02 CN CN202022849456.9U patent/CN214946153U/en active Active
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