CN215444954U - Generator drive synchronous belt tensioning mechanism - Google Patents
Generator drive synchronous belt tensioning mechanism Download PDFInfo
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- CN215444954U CN215444954U CN202121756677.XU CN202121756677U CN215444954U CN 215444954 U CN215444954 U CN 215444954U CN 202121756677 U CN202121756677 U CN 202121756677U CN 215444954 U CN215444954 U CN 215444954U
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Abstract
The utility model discloses a generator transmission synchronous belt tensioning mechanism, which comprises a generator base adjusting mechanism and a rubber spring tensioning mechanism, wherein the generator base adjusting mechanism comprises a base plate and a base plate; the generator base adjusting mechanism comprises a generator base and a lower side rail; the generator is arranged on the generator base and used for axially adjusting the generator through an axial component, and the generator base is arranged on the lower side track and used for radially adjusting the generator through a radial component; the rubber spring tensioning mechanism is arranged at a synchronous belt for connecting a generator and an engine and is used for tensioning the synchronous belt. The utility model has the capability of multi-degree-of-freedom adjustment, can compensate the tension reduction caused by the stretching of the synchronous belt, and can realize the quick replacement of the synchronous belt.
Description
Technical Field
The utility model belongs to the technical field of mobile crushing stations, and particularly relates to a generator transmission synchronous belt tensioning mechanism.
Background
The synchronous belt transmission is mesh type belt transmission, relative sliding does not exist between a belt wheel and the synchronous belt, a strict transmission ratio can be guaranteed, and the belt wheel transmission has the advantages of being low in noise, small in vibration and large in transmission power. It is widely applied to numerical control machine tools, robot industry, automobile industry and light textile industry. On the mobile crushing station, a generator is driven laterally through a front power take-off port of the engine, and synchronous belt transmission is needed to ensure the stability of alternating current frequency and voltage during sudden loading. The requirement of the synchronous belt transmission on the parallelism and the tension of the belt wheel is strict, and the problems of belt deviation and early damage can be caused by poor parallelism or improper tension. Because the power cabin space of the mobile crushing station is narrow and small, the structural part has manufacturing errors, so that the installation precision of the belt wheel is poor, the adjustment process is complicated, the synchronous belt needs to be tensioned again after being stretched, and the generator needs to be dismantled again during secondary tensioning, so that the shutdown maintenance time is long.
SUMMERY OF THE UTILITY MODEL
According to the defects of the prior art, the utility model provides the tensioning mechanism of the generator transmission synchronous belt, which has the multi-degree-of-freedom adjustment capability, can compensate the tension reduction caused by the stretching of the synchronous belt, and can realize the quick replacement of the synchronous belt.
The utility model is realized according to the following technical scheme:
a generator transmission synchronous belt tensioning mechanism comprises a generator base adjusting mechanism and a rubber spring tensioning mechanism; the generator base adjusting mechanism comprises a generator base and a lower side rail; the generator is arranged on the generator base and used for axially adjusting the generator through an axial component, and the generator base is arranged on the lower side track and used for radially adjusting the generator through a radial component; the rubber spring tensioning mechanism is arranged at a synchronous belt for connecting a generator and an engine and is used for tensioning the synchronous belt.
The specific scheme is as follows: the rubber spring tensioning mechanism comprises a tensioning wheel assembly, a tensioning wheel adjusting device, a rotating arm, a rubber spring, an upper pressing plate, a lower pressing plate and an installation support; one end of the mounting support is connected with the generator, and the other end of the mounting support is connected with the upper pressure plate; the rubber spring is arranged in an installation cavity formed by the lower pressure plate and the upper pressure plate; the two sides of the rubber spring are respectively connected with a rotating arm, and the tensioning wheel assembly is arranged between the two rotating arms; one end of the tension wheel adjusting device is arranged on the rotating arm, the other end of the tension wheel adjusting device is connected with a central bolt in the tension wheel assembly, and the parallelism of the tension wheel in the tension wheel assembly is adjusted through the forward and backward movement of the tension wheel adjusting device.
The specific scheme is as follows: the tensioning wheel assembly comprises a central bolt, a hollow shaft, a bearing and a tensioning wheel; the central bolt penetrates through the two rotating arms and then is axially limited by screwing in the fixing nut; the hollow shaft is sleeved in a central bolt between the two rotating arms, an inner ring of the bearing is sleeved on the hollow shaft, and the tensioning wheel is installed on an outer ring of the bearing.
The specific scheme is as follows: the rotating arm positioned on the outer side is provided with a long hole larger than the outer diameter of the central bolt, and the rotating arm positioned on the inner side is provided with a round hole which is equal to or slightly larger than the outer diameter of the central bolt; the center bolt is inserted into the round hole and the center hole, and moves back and forth through the tensioning wheel adjusting device, so that the loosened center bolt moves in the long hole of the outer rotating arm, the fixing point of the center bolt in the inner rotating arm is kept still, and the inner rotating arm elastically deforms.
The specific scheme is as follows: the tensioning wheel adjusting device comprises an adjusting bolt, a right-angle plate, a flat plate and a plurality of adjusting nuts; the flat plate is fixed on the rotating arm, a through hole I is formed in the flat plate, and the adjusting bolt penetrates through the through hole I and is fixed on the flat plate by screwing an adjusting nut; one end of the right-angle plate is connected to the central bolt, the other end of the right-angle plate is provided with a through hole II, and the adjusting bolt penetrates through the through hole II and then is fastened through two adjusting nuts.
The preferable scheme is as follows: one end of the mounting support is welded and fixed with the upper pressing plate, and the other end of the mounting support is provided with a plurality of mounting holes and is connected with the generator through bolts.
The preferable scheme is as follows: the rotating arm is provided with a square hole matched with the ratchet wrench, and the rubber spring can be compressed through the ratchet wrench.
The specific scheme is as follows: the lower side rails are symmetrically arranged on the rack, the lower side rails are provided with elongated holes, and the generator base is installed on the lower side rails in a matched mode through bolts and the elongated holes; the generator base is provided with a long hole, and the generator is installed on the generator base through the matching of a bolt and the long hole.
The specific scheme is as follows: the radial adjusting bolt is arranged on the lower side track and connected with the generator base, and the generator base can move on the lower side track in the radial direction through the radial adjusting bolt; the generator base is provided with an axial adjusting bolt, the axial adjusting bolt is connected with the axial adjusting base, the axial adjusting base is connected with the generator, and the generator can axially move on the generator base through the axial adjusting bolt.
The preferable scheme is as follows: the upper pressing plate and the lower pressing plate are rectangular bending plates and are connected through bolts.
The utility model has the beneficial effects that:
according to the utility model, accurate adjustment of the installation parallelism of the belt wheel and the tension of the synchronous belt are realized through the generator base adjusting mechanism and the rubber spring tensioning mechanism, the tension of the synchronous belt is kept, secondary tensioning is not required in the service life cycle of the synchronous belt, and the synchronous belt can be rapidly replaced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model, are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model to the right. 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 general schematic diagram of a generator drive timing belt tensioning mechanism of the present invention;
FIG. 2 is a general schematic view of the rubber spring tensioning mechanism of the present invention;
FIG. 3 is a cross-sectional view of the rubber spring tensioning mechanism of the present invention;
FIG. 4 is a partial view of a generator drive timing belt tensioning mechanism of the present invention;
fig. 5 is a partial view II of the generator drive synchronous belt tensioning mechanism of the utility model.
The attached drawings are as follows: 1-radial adjusting bolt, 2-generator base, 3-axial adjusting bolt, 4-axial adjusting base, 5-generator synchronous pulley, 6-synchronous belt, 7-engine synchronous pulley, 8-mounting base, 9-rubber spring, 10-lower pressure plate, 11-rotating arm, 12-tension pulley adjusting device, 13-tension pulley assembly, 14-upper pressure plate, 15-bolt, 16-bolt, 17-outer retainer ring, 18-hollow shaft, 19-bearing, 20-tension pulley, 21-central bolt, 22-adjusting bolt, 23-right-angle plate, 24-flat plate and 25-adjusting nut.
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 it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to 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", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings 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, 2, 3, 4 and 5, a generator transmission synchronous belt tensioning mechanism comprises a generator base adjusting mechanism and a rubber spring tensioning mechanism; the generator base adjusting mechanism comprises a generator base 2 and a lower side rail; the generator is arranged on the generator base 2 and is axially adjusted through an axial component, and the generator base 2 is arranged on the lower side track and is radially adjusted through a radial component; the rubber spring tensioning mechanism is arranged at a synchronous belt 6 for connecting a generator and an engine and is used for tensioning the synchronous belt 6.
As shown in fig. 2 and 3, the rubber spring tensioning mechanism includes a tensioning wheel assembly 13, a tensioning wheel adjusting device 12, a rotating arm 11, a rubber spring 9, an upper press plate 14, a lower press plate 10 and a mounting support 8; one end of the mounting support 8 is connected with the generator, and the other end of the mounting support is connected with the upper pressure plate 14; the rubber spring 9 is arranged in an installation cavity formed by a lower pressure plate 10 and an upper pressure plate 14; two sides of the rubber spring 9 are respectively connected with a rotating arm 11, and the tensioning wheel assembly 13 is installed between the two rotating arms 11; one end of the tensioning wheel adjusting device 12 is arranged on the rotating arm 11, the other end of the tensioning wheel adjusting device 12 is connected with a center bolt 21 in the tensioning wheel assembly 13, and the parallelism of the tensioning wheel 20 in the tensioning wheel assembly 13 is adjusted through the forward and backward movement of the tensioning wheel adjusting device 12.
With continued reference to fig. 2 and 3, the tensioning wheel assembly 13 includes a center bolt 21, a hollow shaft 18, a bearing 19 and a tensioning wheel 20; the central bolt 21 penetrates through the two rotating arms 11 and then is axially limited by screwing in a fixing nut; the hollow shaft 18 is sleeved in a central bolt 21 between the two rotating arms 11, the inner ring of the bearing 19 is sleeved on the hollow shaft 18, and the tension wheel 20 is mounted on the outer ring of the bearing 19. The rotating arm 11 positioned at the outer side is provided with a long hole larger than the outer diameter of the central bolt 21, and the rotating arm 11 positioned at the inner side is provided with a round hole equal to or slightly larger than the outer diameter of the central bolt 21; the center bolt 21 is inserted into the circular hole and the center hole, and the loose center bolt 21 moves in the long hole of the outer rotating arm by the forward and backward movement of the tension wheel adjusting device 12, at this time, the fixing point of the center bolt 21 in the inner rotating arm is kept still, and the inner rotating arm is elastically deformed.
With continued reference to fig. 2 and 3, the tensioning wheel adjusting device 12 includes an adjusting bolt 22, a right-angle plate 23, a flat plate 24 and a plurality of adjusting nuts 25; the flat plate 24 is fixed on the rotating arm 11, a through hole I is formed in the flat plate 24, and the adjusting bolt 22 is fixed on the flat plate 24 by screwing the adjusting nut 25 after the adjusting bolt 22 passes through the through hole I; one end of the right-angle plate 23 is connected to the central bolt 21, the other end of the right-angle plate 23 is provided with a through hole II, and the adjusting bolt 22 penetrates through the through hole II and then is fastened through two adjusting nuts 25.
Continuing to refer to fig. 2, one end of the mounting support 8 is welded and fixed with the upper pressure plate 14, and the other end is provided with a plurality of mounting holes and connected with the generator through bolts.
The preferable scheme is as follows: the upper pressing plate 14 and the lower pressing plate 10 are rectangular bending plates and are connected through bolts.
As shown in fig. 5, the rotating arm 11 is provided with a square hole matching with a ratchet wrench, and the rubber spring 9 can be compressed by the ratchet wrench.
As shown in fig. 1 and 4, the lower side rails are symmetrically arranged on the frame, the lower side rails are provided with elongated holes, and the generator base 2 is installed on the lower side rails through bolts 15 and the elongated holes in a matching manner; the generator base 2 is provided with a long hole, and the generator is installed on the generator base 2 through the bolt 16 and the long hole in a matched mode.
Continuing to refer to fig. 1 and 4, a radial adjusting bolt 1 is mounted on the lower side track, the radial adjusting bolt 1 is connected with a generator base 2, and the generator base 2 moves radially on the lower side track through the radial adjusting bolt 1; the generator base 2 is provided with an axial adjusting bolt 3, the axial adjusting bolt 3 is connected with an axial adjusting base 4, the axial adjusting base 4 is connected with a generator, and the generator axially moves on the generator base 2 through the axial adjusting bolt 3.
The specific implementation process is as follows:
1. and (5) initially installing. The bolts 15 and 16 are kept loose, the axial and radial positions of the generator and the generator synchronous pulley 5 are adjusted through the radial adjusting bolts 1 and the axial adjusting bolts 3, the parallelism of the generator synchronous pulley 5 and the engine synchronous pulley 7 reaches the design requirement through tool measurement, the generator is pulled to the direction far away from the engine through tensioning the radial adjusting bolts 1 until the synchronous belt 6 reaches the design tension force, and the bolts 15 and 16 are screwed down to lock the positions of the generator and the generator synchronous pulley 5. At the moment, the tensioning wheel assembly 13 is in a compressed state, the relative parallelism between the tensioning wheel 20 and the generator synchronous pulley 5 and the engine synchronous pulley 7 is measured through a tool, the central bolt 21 is unscrewed, the tensioning wheel 20 is in an adjustable state, the loosened central bolt 21 moves in the long hole of the outer rotating arm through the forward and backward movement of the tensioning wheel adjusting device 12, the fixed point of the central bolt 21 of the inner rotating arm is kept still, the inner rotating arm elastically deforms, the parallelism of the tensioning wheel 20 is adjusted to reach the design requirement range, and the central bolt 21 is screwed, so that the position of the tensioning wheel 20 is in a locked state. At this time, the three pulleys are in a parallel state required by design, and the synchronous belt 6 is in a tension required by design. With the use, the synchronous belt 6 is gradually lengthened and can be kept in a tensioned state all the time through the tensioning wheel assembly 13.
2. And (5) replacing the synchronous belt. An outer retainer ring 17 on the synchronous pulley 5 of the generator is removed, the ratchet wrench is inserted into a square hole of the rotating arm 11, the ratchet wrench is rotated clockwise, the tensioning wheel assembly 13 moves downwards, the synchronous belt 6 is in a loose state at the moment, the synchronous belt can be removed, then a new synchronous belt 6 is hung, the ratchet wrench is loosened, and the synchronous belt is tensioned immediately. The method does not need the generator synchronous pulley 5, the engine synchronous pulley 7 and the tension pulley 20 which are adjusted in the earlier stage of movement, and realizes the quick replacement of the synchronous belt 6.
In conclusion, the accurate adjustment of the installation parallelism of the belt wheel and the function of keeping the tension of the synchronous belt are realized through the generator base adjusting mechanism and the rubber spring tensioning mechanism, the secondary tensioning is not needed in the service life cycle of the synchronous belt, and the quick replacement of the synchronous belt can be realized.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the utility model 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 while some embodiments described herein include some features included in other embodiments, rather than others, combinations of features of different embodiments are also meant to be within the scope of the utility model 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.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides a generator drive hold-in range straining device which characterized in that:
the device comprises a generator base adjusting mechanism and a rubber spring tensioning mechanism;
the generator base adjusting mechanism comprises a generator base and a lower side rail;
the generator is arranged on the generator base and used for axially adjusting the generator through an axial component, and the generator base is arranged on the lower side track and used for radially adjusting the generator through a radial component;
the rubber spring tensioning mechanism is arranged at a synchronous belt for connecting a generator and an engine and is used for tensioning the synchronous belt.
2. The generator drive synchronous belt tensioning mechanism of claim 1, wherein:
the rubber spring tensioning mechanism comprises a tensioning wheel assembly, a tensioning wheel adjusting device, a rotating arm, a rubber spring, an upper pressing plate, a lower pressing plate and an installation support;
one end of the mounting support is connected with the generator, and the other end of the mounting support is connected with the upper pressure plate;
the rubber spring is arranged in an installation cavity formed by the lower pressure plate and the upper pressure plate;
the two sides of the rubber spring are respectively connected with a rotating arm, and the tensioning wheel assembly is arranged between the two rotating arms;
one end of the tension wheel adjusting device is arranged on the rotating arm, the other end of the tension wheel adjusting device is connected with a central bolt in the tension wheel assembly, and the parallelism of the tension wheel in the tension wheel assembly is adjusted through the forward and backward movement of the tension wheel adjusting device.
3. The generator drive synchronous belt tensioning mechanism of claim 2, wherein:
the tensioning wheel assembly comprises a central bolt, a hollow shaft, a bearing and a tensioning wheel;
the central bolt penetrates through the two rotating arms and then is axially limited by screwing in the fixing nut;
the hollow shaft is sleeved in a central bolt between the two rotating arms, an inner ring of the bearing is sleeved on the hollow shaft, and the tensioning wheel is installed on an outer ring of the bearing.
4. The generator drive synchronous belt tensioning mechanism of claim 3, wherein:
the rotating arm positioned on the outer side is provided with a long hole larger than the outer diameter of the central bolt, and the rotating arm positioned on the inner side is provided with a round hole which is equal to or slightly larger than the outer diameter of the central bolt;
the center bolt is inserted into the round hole and the center hole, and moves back and forth through the tensioning wheel adjusting device, so that the loosened center bolt moves in the long hole of the outer rotating arm, the fixing point of the center bolt in the inner rotating arm is kept still, and the inner rotating arm elastically deforms.
5. The generator drive synchronous belt tensioning mechanism of claim 2, wherein:
the tensioning wheel adjusting device comprises an adjusting bolt, a right-angle plate, a flat plate and a plurality of adjusting nuts;
the flat plate is fixed on the rotating arm, a through hole I is formed in the flat plate, and the adjusting bolt penetrates through the through hole I and is fixed on the flat plate by screwing an adjusting nut;
one end of the right-angle plate is connected to the central bolt, the other end of the right-angle plate is provided with a through hole II, and the adjusting bolt penetrates through the through hole II and then is fastened through two adjusting nuts.
6. The generator drive synchronous belt tensioning mechanism of claim 2, wherein:
one end of the mounting support is welded and fixed with the upper pressing plate, and the other end of the mounting support is provided with a plurality of mounting holes and is connected with the generator through bolts.
7. The generator drive synchronous belt tensioning mechanism of claim 2, wherein:
the rotating arm is provided with a square hole matched with the ratchet wrench, and the rubber spring can be compressed through the ratchet wrench.
8. The generator drive synchronous belt tensioning mechanism of claim 1, wherein:
the lower side rails are symmetrically arranged on the rack, the lower side rails are provided with elongated holes, and the generator base is installed on the lower side rails in a matched mode through bolts and the elongated holes;
the generator base is provided with a long hole, and the generator is installed on the generator base through the matching of a bolt and the long hole.
9. The generator drive synchronous belt tensioning mechanism of claim 7, wherein:
the radial adjusting bolt is arranged on the lower side track and connected with the generator base, and the generator base can move on the lower side track in the radial direction through the radial adjusting bolt;
the generator base is provided with an axial adjusting bolt, the axial adjusting bolt is connected with the axial adjusting base, the axial adjusting base is connected with the generator, and the generator can axially move on the generator base through the axial adjusting bolt.
10. The generator drive synchronous belt tensioning mechanism of claim 2, wherein:
the upper pressing plate and the lower pressing plate are rectangular bending plates and are connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121756677.XU CN215444954U (en) | 2021-07-30 | 2021-07-30 | Generator drive synchronous belt tensioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121756677.XU CN215444954U (en) | 2021-07-30 | 2021-07-30 | Generator drive synchronous belt tensioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215444954U true CN215444954U (en) | 2022-01-07 |
Family
ID=79685598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121756677.XU Active CN215444954U (en) | 2021-07-30 | 2021-07-30 | Generator drive synchronous belt tensioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215444954U (en) |
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2021
- 2021-07-30 CN CN202121756677.XU patent/CN215444954U/en active Active
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