CN220884602U - Automatic tensioning mechanism for guiding crawler-type chassis - Google Patents
Automatic tensioning mechanism for guiding crawler-type chassis Download PDFInfo
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- CN220884602U CN220884602U CN202322763121.9U CN202322763121U CN220884602U CN 220884602 U CN220884602 U CN 220884602U CN 202322763121 U CN202322763121 U CN 202322763121U CN 220884602 U CN220884602 U CN 220884602U
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- crawler
- guiding
- tensioning mechanism
- automatic tensioning
- hydraulic
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- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Abstract
The utility model discloses an automatic tensioning mechanism for guiding a crawler chassis, which comprises a crawler body, wherein driving wheels are arranged at two ends of the inner side of the crawler body, the two driving wheels are in transmission connection with the crawler body, a connecting plate is connected between the two ends of the two driving wheels, a connecting box is arranged between the two connecting plates, a clamping groove is formed in the middle of the upper end face of the connecting box, a placing opening is formed in the bottom end of the inner side of the clamping groove, two hydraulic retractors are sequentially arranged at the bottom end of the inner side of the placing opening, a cover plate is arranged in the clamping groove, and two through holes are sequentially formed in the upper end face of the cover plate. The utility model can directly adjust the tension degree of the crawler belt body through the mutual matching of the hydraulic telescopic device, the U-shaped plate and the tension roller, thus avoiding the phenomena that the crawler belt body is separated from the driving wheel and the crawler belt body is stretched out when the crawler belt is too loose and too tight.
Description
Technical Field
The utility model belongs to the technical field of automatic tensioning mechanisms, and particularly relates to an automatic tensioning mechanism for guiding a crawler chassis.
Background
The crawler-type travelling mechanism has the characteristics of strong ground grabbing capability, large ground specific pressure, good trafficability and the like, and is widely applied to the travelling system of engineering machinery. For example, the excavator is moved by using a crawler.
At present, the existing excavator generally drives the crawler belt to rotate through the driving wheel to realize movement, but the movement of the excavator generally does not have the tension adjustment of the crawler belt, so that the phenomenon that the crawler belt is separated from the driving wheel or the crawler belt is broken easily occurs if the crawler belt is too loose or too tight.
The foregoing is not necessarily a prior art, and falls within the technical scope of the inventors.
Disclosure of utility model
The utility model aims to provide an automatic tensioning mechanism for guiding a crawler chassis, which aims to solve the problems that in the prior art, the existing excavator is usually moved by driving a crawler to rotate through a driving wheel, and the movement of the excavator is usually not provided with tensioning adjustment of the crawler, so that the phenomenon that the crawler is separated from the driving wheel or the crawler is broken easily if the crawler is too loose or too tight.
In order to achieve the aim, the utility model provides an automatic tensioning mechanism for guiding a crawler chassis, which comprises a crawler body, wherein driving wheels are arranged at two ends of the inner side of the crawler body, the two driving wheels are in transmission connection with the crawler body, a connecting plate is connected between the two ends of the two driving wheels, and a connecting box is arranged between the two connecting plates;
The middle part of the upper end surface of the connecting box is provided with a clamping groove, the bottom end of the inner side of the clamping groove is provided with a placing opening, the bottom end of the inner side of the placing opening is sequentially provided with two hydraulic retractors, a cover plate is arranged in the clamping groove, and the upper end surface of the cover plate is sequentially provided with two through holes;
The output ends of the two hydraulic retractors respectively penetrate through the two through holes in sequence and extend to the upper side of the cover plate, the output ends of the two hydraulic retractors are fixedly connected with a U-shaped plate, the inner side wall surface of the U-shaped plate is rotationally provided with a tensioning roller, and the tensioning roller is propped against the inner side wall surface of the crawler body.
In one example, the bottom ends of the hydraulic retractors are fixedly connected with a mounting plate, and the hydraulic retractors are connected with the bottom end of the inner side of the placing opening through the mounting plate.
In one example, the inner wall surfaces of the two through holes are provided with first grooves, and the first grooves are internally provided with first sealing rings in a clamping manner.
In one example, one end of the first sealing ring, which is far away from the first groove, is propped against the outer wall surface of the hydraulic telescopic device penetrating through the through hole.
In one example, a second groove is formed in the bottom end of the inner side of the clamping groove, and a second sealing ring is clamped in the second groove.
In one example, one end of the second sealing ring, which is far away from the second groove, is propped against the lower end face of the cover plate.
In one example, a plurality of rollers are installed on the lower end face of the connecting box in a rotating mode in sequence, and one ends, far away from the connecting box, of the rollers are all propped against the inner side wall face of the crawler body.
The automatic tensioning mechanism for guiding the crawler chassis provided by the utility model has the following beneficial effects:
The tension degree of the crawler body can be directly adjusted through the mutual matching of the hydraulic telescopic device, the U-shaped plate and the tension roller, so that the phenomena that the crawler body is separated from the driving wheel and the crawler body is stretched out due to excessive loosening and excessive tightening of the crawler can be avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and 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 and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic view of an automatic tensioning mechanism for track chassis guidance according to the present utility model.
Fig. 2 is a first perspective view of a driving wheel, a connecting plate and a connecting box of the automatic tensioning mechanism for guiding a crawler chassis.
Fig. 3 is a second perspective view of a connection perspective of a driving wheel, a connecting plate and a connecting box of the automatic tensioning mechanism for guiding a crawler chassis.
FIG. 4 is an exploded view of a junction box and cover plate of an automatic tensioning mechanism for track chassis guidance according to the present utility model.
FIG. 5 is a cross-sectional view of a junction box of an automatic tensioning mechanism for track chassis guidance in accordance with the present utility model.
Detailed Description
In order to more clearly illustrate the general inventive concept, a detailed description is given below by way of example with reference to the accompanying drawings.
In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. In the description of the present specification, the description with reference to the terms "one aspect," "some aspects," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the present utility model. In this specification, the schematic representations of the above terms are not necessarily for the same scheme or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.
As shown in fig. 1 to 5, the embodiment of the utility model provides an automatic tensioning mechanism for guiding a crawler chassis, which comprises a crawler body 1, wherein driving wheels 2 are arranged at two ends of the inner side of the crawler body 1, the two driving wheels 2 are in transmission connection with the crawler body 1, a connecting plate 3 is connected between the two ends of the driving wheels 2, a connecting box 4 is arranged between the two connecting plates 3, a clamping groove 5 is formed in the middle of the upper end face of the connecting box 4, a placing opening 6 is formed in the bottom end of the inner side of the clamping groove 5, two hydraulic retractors 7 are sequentially arranged at the bottom end of the inner side of the placing opening 6, a cover plate 8 is arranged in the clamping groove 5, two through holes 80 are sequentially formed in the upper end face of the cover plate 8, the output ends of the two hydraulic retractors 7 respectively sequentially penetrate through the two through holes 80 and extend to the upper side of the cover plate 8, a U-shaped plate 9 is fixedly connected to the output ends of the two hydraulic retractors 7, a tensioning roller 10 is rotatably arranged on the inner side wall surface of the U-shaped plate 9, and the tensioning roller 10 is propped against the inner side wall surface of the crawler body 1. When the crawler body 1 needs to be tensioned, the hydraulic telescopic device 7 is started, the U-shaped plate 9 is pushed to move up and down by the starting of the hydraulic telescopic device 7, the U-shaped plate 9 can drive the tensioning roller 10 to move, the tensioning roller 10 is propped against the inner side wall surface of the crawler body 1, the tensioning degree of the crawler body 1 can be adjusted by the up-and-down movement of the tensioning roller 10, and the hydraulic telescopic device 7 is closed after the tensioning degree of the crawler body 1 is adjusted to be proper. The tensioning degree of the crawler body 1 can be directly adjusted through the mutual matching of the hydraulic telescopic device 7, the U-shaped plate 9 and the tensioning roller 10, so that the phenomenon that the crawler body 1 is separated from the driving wheel 2 and the crawler body 1 is tensioned due to excessive loosening and excessive tightening of the crawler can be avoided.
The hydraulic expansion joint is characterized in that the bottom ends of the hydraulic expansion joint 7 are fixedly connected with a mounting plate 11, and the hydraulic expansion joint 7 is connected with the bottom end of the inner side of the placing port 6 through the mounting plate 11. The inner wall surfaces of the two through holes 80 are provided with first grooves 12, and the first grooves 12 are internally provided with first sealing rings 13 in a clamping manner. One end of the first sealing ring 13, which is far away from the first groove 12, is propped against the outer wall surface of the hydraulic telescopic device 7 penetrating through the through hole 80. The setting of mounting panel 11 is convenient for hydraulic pressure expansion bend 7 dismantle and install, and the cooperation of first recess 12 and first sealing washer 13 is convenient for improve the sealed effect of hydraulic pressure expansion bend 7 and apron 8 handing-over department.
The bottom of the inner side of the clamping groove 5 is provided with a second groove 14, and a second sealing ring 15 is clamped in the second groove 14. One end of the second sealing ring 15, which is far away from the second groove 14, is propped against the lower end face of the cover plate 8. The lower terminal surface of junction box 4 rotates in proper order and installs a plurality of gyro wheels 16, the one end that the junction box 4 was kept away from to gyro wheel 16 all pushes up and establishes at track body 1 inside wall surface. The second groove 14 and the second sealing ring 15 are matched with each other so as to improve the sealing effect between the cover plate 8 and the clamping groove 5.
Working principle:
When the crawler body 1 needs to be tensioned, the hydraulic telescopic device 7 is started, the U-shaped plate 9 is pushed to move up and down by the starting of the hydraulic telescopic device 7, the U-shaped plate 9 can drive the tensioning roller 10 to move, the tensioning roller 10 is propped against the inner side wall surface of the crawler body 1, the tensioning degree of the crawler body 1 can be adjusted by the up-and-down movement of the tensioning roller 10, and the hydraulic telescopic device 7 is closed after the tensioning degree of the crawler body 1 is adjusted to be proper.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.
The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.
Claims (7)
1. An automatic tensioning mechanism for guiding a crawler chassis comprises a crawler body (1), and is characterized in that: the crawler belt is characterized in that driving wheels (2) are arranged at two ends of the inner side of the crawler belt body (1), the two driving wheels (2) are in transmission connection with the crawler belt body (1), a connecting plate (3) is connected between two ends of the two driving wheels (2), and a connecting box (4) is arranged between the two connecting plates (3);
the connecting box is characterized in that a clamping groove (5) is formed in the middle of the upper end face of the connecting box (4), a placing opening (6) is formed in the bottom end of the inner side of the clamping groove (5), two hydraulic retractors (7) are sequentially arranged at the bottom end of the inner side of the placing opening (6), a cover plate (8) is arranged in the clamping groove (5), and two through holes (80) are sequentially formed in the upper end face of the cover plate (8);
The output ends of the two hydraulic retractors (7) respectively penetrate through the two through holes (80) in sequence and extend to the upper portion of the cover plate (8), the output ends of the two hydraulic retractors (7) are fixedly connected with the U-shaped plates (9), tensioning rollers (10) are rotatably arranged on the inner side wall surfaces of the U-shaped plates (9), and the tensioning rollers (10) are propped against the inner side wall surfaces of the crawler body (1).
2. An automatic tensioning mechanism for guiding a crawler chassis according to claim 1, wherein the bottom ends of the hydraulic retractors (7) are fixedly connected with mounting plates (11), and the hydraulic retractors (7) are connected with the bottom ends of the inner sides of the placement openings (6) through the mounting plates (11).
3. An automatic tensioning mechanism for guiding a crawler chassis according to claim 1, wherein the inner wall surfaces of the two through holes (80) are provided with first grooves (12), and the first grooves (12) are internally provided with first sealing rings (13).
4. An automatic tensioning mechanism for guiding a crawler chassis according to claim 3, wherein one end of the first sealing ring (13) far away from the first groove (12) is propped against the outer wall surface of the hydraulic telescopic device (7) penetrating through the through hole (80).
5. An automatic tensioning mechanism for guiding a crawler chassis according to claim 1, wherein a second groove (14) is formed in the bottom end of the inner side of the clamping groove (5), and a second sealing ring (15) is clamped in the second groove (14).
6. An automatic tensioning mechanism for guiding crawler chassis according to claim 5, wherein the end of the second sealing ring (15) far away from the second groove (14) is propped against the lower end face of the cover plate (8).
7. The automatic tensioning mechanism for guiding a crawler chassis according to claim 1, wherein a plurality of rollers (16) are sequentially rotatably mounted on the lower end face of the connecting box (4), and one ends of the rollers (16) far away from the connecting box (4) are all propped against the inner side wall face of the crawler body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322763121.9U CN220884602U (en) | 2023-10-16 | 2023-10-16 | Automatic tensioning mechanism for guiding crawler-type chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322763121.9U CN220884602U (en) | 2023-10-16 | 2023-10-16 | Automatic tensioning mechanism for guiding crawler-type chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220884602U true CN220884602U (en) | 2024-05-03 |
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ID=90867058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322763121.9U Active CN220884602U (en) | 2023-10-16 | 2023-10-16 | Automatic tensioning mechanism for guiding crawler-type chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220884602U (en) |
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2023
- 2023-10-16 CN CN202322763121.9U patent/CN220884602U/en active Active
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