CN217100236U - Crawler travel mechanism, chassis and operating machine - Google Patents
Crawler travel mechanism, chassis and operating machine Download PDFInfo
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- CN217100236U CN217100236U CN202220775386.3U CN202220775386U CN217100236U CN 217100236 U CN217100236 U CN 217100236U CN 202220775386 U CN202220775386 U CN 202220775386U CN 217100236 U CN217100236 U CN 217100236U
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Abstract
The utility model relates to an engineering machine tool technical field provides a crawler travel mechanism, chassis and operation machinery. Crawler belt running gear includes: the crawler frame, the first supporting wheel, the second supporting wheel and the pad piece; the first supporting wheels are arranged at two ends of the bottom of the crawler frame; at least one second supporting wheel is arranged at the bottom of the crawler frame and located between the first supporting wheels at two ends, the diameter of the second supporting wheel is smaller than that of the first supporting wheel, and two ends of a wheel shaft of the second supporting wheel are respectively provided with an installation end cover; the pad piece is connected between the bottom of the crawler frame and the mounting end cover, so that the lowest point of the second supporting wheel and the lowest point of the first supporting wheel are in the same plane. The utility model discloses an adopt the different thrust wheel of wheel footpath specification, can be under the prerequisite of guaranteeing normal walking, effective reduce cost.
Description
Technical Field
The utility model relates to an engineering machine tool technical field especially relates to a crawler travel mechanism, chassis and operation machinery.
Background
The crawler traveling mechanism is a mechanism that travels by a crawler, and is widely applied to operating machines such as cranes, excavators, and the like, and generally includes a crawler, a crawler frame, a driving wheel, a guide wheel, a chain supporting wheel, a thrust wheel, and the like, wherein the thrust wheel is arranged at the bottom of the crawler frame and positioned on the crawler, and is mainly used for bearing loads.
In the correlation technique, the thrust wheel that crawler travel mechanism adopted (promptly the utility model discloses first thrust wheel) is same wheel footpath specification, and the cost is higher.
SUMMERY OF THE UTILITY MODEL
The utility model provides a crawler travel mechanism, chassis and operation machinery for crawler travel mechanism is with high costs defect among the solution correlation technique, realizes reduce cost's purpose.
The utility model provides a crawler travel mechanism, include:
a track frame;
the first supporting wheels are arranged at two ends of the bottom of the crawler frame;
the second supporting wheels are arranged at the bottom of the crawler frame and positioned between the first supporting wheels at the two ends, the wheel diameters of the second supporting wheels are smaller than those of the first supporting wheels, and two ends of a wheel shaft of each second supporting wheel are respectively provided with an installation end cover;
and the pad piece is connected between the bottom of the crawler frame and the mounting end cover, so that the lowest point of the second supporting wheel and the lowest point of the first supporting wheel are in the same plane.
According to the utility model provides a pair of crawler belt running gear, the second thrust wheel is a plurality of, and is a plurality of in the second thrust wheel, at least two the wheel footpath of second thrust wheel is different.
According to the utility model provides a pair of crawler travel mechanism, first thrust wheel symmetric distribution in the both ends of second thrust wheel.
According to the utility model provides a pair of crawler travel mechanism, the pad with the track frame with the installation end cover is for dismantling the connection.
According to the utility model provides a pair of crawler belt running gear, the pad pass through the fastener with the track frame with the installation end cover is connected.
According to the utility model provides a pair of crawler belt running gear, the pad with the track frame with the welding of installation end cover.
According to the utility model provides a pair of crawler belt running gear, the pad spare is the metal backing plate.
According to the utility model provides a pair of crawler belt running gear still includes the track, the inboard grouser of track respectively with the tooth's socket of first thrust wheel with the tooth's socket clearance fit of second thrust wheel.
The utility model also provides a chassis, including foretell crawler travel mechanism.
The utility model also provides an operating machine, including foretell chassis.
The crawler traveling mechanism, the chassis and the operation machine provided by the utility model can realize the integrated assembly of the first thrust wheel, the second thrust wheel and other parts through the crawler frame; the first supporting wheels are arranged at two ends of the bottom of the crawler frame, so that a main load bearing effect can be achieved; the second thrust wheel is arranged at the bottom of the crawler frame and positioned between the first thrust wheels at the two ends, so that the effect of auxiliary load bearing can be achieved, and the thrust wheels with different wheel diameter specifications can be assembled through the wheel diameter of the second thrust wheel being smaller than that of the first thrust wheel, so that the cost is reduced; the two ends of the wheel shaft of the second thrust wheel are respectively provided with the mounting end covers, and the pad piece is connected between the bottom of the crawler frame and the mounting end covers, so that the lowest point of the second thrust wheel and the lowest point of the first thrust wheel are positioned on the same plane, the mounting height difference caused by different wheel diameters can be eliminated, and the normal walking of the crawler walking mechanism is ensured. Therefore, the utility model discloses crawler travel mechanism can be under the prerequisite of guaranteeing normal walking, effective reduce cost through adopting the different thrust wheel of wheel footpath specification.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or related technologies, the drawings required for use in the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a crawler travel mechanism provided by the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a partial cross-sectional view of the track running gear provided by the present invention;
reference numerals:
1: a track frame; 2: a first bogie wheel; 3: a second thrust wheel; 301: a wheel body;
302: a wheel axle; 303: installing an end cover; 304: a tooth socket; 4: a cushion member; 5: a crawler belt;
501: carrying out tooth covering; 6: a fastener.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of description and simplification of the description of the embodiments of the present invention, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the present specification, references to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The crawler travel mechanism, the chassis, and the working machine of the present invention will be described with reference to fig. 1 to 3.
According to embodiments of the first aspect of the present invention, as shown in fig. 1 to 3, the present invention provides a crawler belt unit mainly comprising: the crawler frame 1, the first supporting wheel 2, the second supporting wheel 3 and the pad 4. The crawler frame 1 is mainly used for mounting a first supporting wheel 2, a second supporting wheel 3, a pad piece 4 and the like; the first supporting wheels 2 are arranged at two ends of the bottom of the crawler frame 1 and play a role in mainly bearing load; at least one second supporting wheel 3 is arranged at the bottom of the track frame 1, the second supporting wheel 3 is positioned between the first supporting wheels 2 at two ends and plays a role in assisting in bearing load, the wheel diameter of the second supporting wheel 3 is smaller than that of the first supporting wheels 2, and two ends of a wheel shaft 302 of the second supporting wheel 3 are respectively provided with an installation end cover 303 so as to be conveniently installed to the bottom of the track frame 1 and realize the assembly of the second supporting wheel 3; the pad member 4 is connected between the bottom of the track frame 1 and the mounting end cap 303 of the second track roller 3, so that the lowest point of the second track roller 3 and the lowest point of the first track roller 2 are in the same plane. Reference herein to the wheel diameter is to be understood as the diameter of the body 301 of the bogie wheel.
It can be understood that, because the wheel diameter of the second thrust wheel 3 is smaller than that of the first thrust wheel 2, the installation heights of the two thrust wheels are different, and at this time, the second thrust wheel 3 is suspended above the crawler belt 5 and separated from the crawler belt 5, so that abnormal phenomena such as unstable walking are likely to occur. Therefore, the utility model discloses a set up backing member 4, can eliminate because the different mounting height difference that causes in wheel footpath, guarantee that the minimum of second thrust wheel 3 and the minimum of first thrust wheel 2 are in the coplanar, the thrust wheel of two kinds of different wheel footpaths specifications can contact with track 5 simultaneously promptly to guarantee crawler travel mechanism's normal walking.
In the art, generally, the larger the diameter of the track roller is, the higher the cost is, and the cost of the pad 4 is lower than that of the track roller. Therefore, the utility model discloses a replace the first thrust wheel 2 of part in the correlation technique for wheel footpath less second thrust wheel 3 relatively, can solve all use first thrust wheel 2 in the correlation technique and lead to problem with high costs, effective reduce cost.
In addition, in actual working conditions, because the stress of the crawler belt traveling mechanism is mainly concentrated on the two ends of the crawler belt frame 1, the stress of the thrust wheels at the two ends of the crawler belt frame 1 is relatively large, and the stress of the thrust wheels distributed in the middle of the crawler belt frame 1 is relatively small. Therefore, the utility model discloses set up the first thrust wheel 2 that the wheel footpath is great relatively at track frame 1 both ends, play the effect that mainly bears the load to set up the second thrust wheel 3 that the wheel footpath is less relatively at the middle part, play the effect that the supplementary load-bearing was born the load, accord with the atress and distribute, can guarantee crawler travel mechanism's normal walking, and reduce cost.
The crawler travel mechanism provided by the embodiment of the utility model can realize the integrated assembly of the first thrust wheel 2, the second thrust wheel 3 and other parts through the crawler frame 1; the first supporting wheels 2 are arranged at two ends of the bottom of the crawler frame 1, so that a main load bearing effect can be achieved; the second thrust wheels 3 are arranged at the bottom of the track frame 1 and positioned between the first thrust wheels 2 at the two ends, so that the auxiliary load bearing effect can be achieved, and the diameter of the second thrust wheels 3 is smaller than that of the first thrust wheels 2, so that the thrust wheels with different wheel diameter specifications can be assembled, and the cost is reduced; the two ends of the wheel shaft 302 of the second thrust wheel 3 are respectively provided with the mounting end covers 303, and the pad piece 4 is connected between the bottom of the crawler frame 1 and the mounting end covers 303, so that the lowest point of the second thrust wheel 3 and the lowest point of the first thrust wheel 2 are positioned on the same plane, the mounting height difference caused by different wheel diameters can be eliminated, and the normal walking of the crawler walking mechanism is ensured. Therefore, the utility model discloses crawler travel mechanism can be under the prerequisite of guaranteeing normal walking, effective reduce cost through adopting the different thrust wheel of wheel footpath specification.
According to the utility model discloses an embodiment, as shown in fig. 1, second thrust wheel 3 is a plurality of to in a plurality of second thrust wheels 3, the wheel footpath of two at least second thrust wheels 3 is different, and a plurality of second thrust wheels 3's wheel footpath can be all different promptly, also can be wherein two at least differences, and all the other is the same, can install the thrust wheel of multiple wheel footpath specification according to operating condition on track frame 1. Specifically, the diameter of the second support rollers 3 may be further adjusted, for example, the support rollers with the diameter gradually decreasing from the two ends of the track frame 1 to the middle may be used to further reduce the cost of the track traveling mechanism, and accordingly, the thickness of the pad 4 corresponding to each support roller should be adaptively adjusted according to the diameter of the second support roller, and gradually increase from the two ends of the track frame 1 to the middle to ensure that the lowest points of the support rollers are located on the same plane, thereby ensuring normal traveling.
According to the utility model discloses an embodiment, 2 symmetric distributions of first thrust wheel make the atress of thrust wheel distribute rationally at the both ends of second thrust wheel 3 to improve walking stability.
And in the actual operating condition, when the number of the second supporting wheels 3 is about 1/3 of the total number of the supporting wheels, the walking stability is better.
According to the utility model discloses an embodiment, as shown in fig. 1, crawler travel mechanism includes twelve thrust wheels, wherein, first thrust wheel 2 sets up to eight, and second thrust wheel 3 sets up to four, and both ends set up four first thrust wheels 2 respectively about track frame 1, and the middle part of track frame 1 sets up four second thrust wheels 3.
According to the utility model discloses an embodiment, crawler travel mechanism includes nine thrust wheels, and wherein, first thrust wheel 2 sets up to six, and second thrust wheel 3 sets up to three, and both ends set up three first thrust wheel 2 respectively about track frame 1, and the middle part of track frame 1 sets up three second thrust wheel 3.
Analogize with this, the utility model discloses do not do special restriction to the quantity of thrust wheel, can design according to operating condition.
According to an embodiment of the present invention, as shown in fig. 2 and fig. 3, the first supporting wheel 2 and the second supporting wheel 3 have the same structural composition, and substantially include a wheel body 301 and an axle 302, the two ends of the axle 302 are respectively provided with the wheel body 301, and the two ends of the axle 302 respectively run through the outer sides of the two wheel bodies 301, so as to be connected to the mounting end cover 303, and the tooth space 304 is formed in the space between the two wheel bodies 301, so that the caterpillar teeth 501 inside the caterpillar 5 can pass through.
According to the utility model discloses an embodiment, the installation end cover 303 at the shaft 302 both ends of first thrust wheel 2 directly links to each other with the bottom of track frame 1 through fastening screw, realizes the assembly of first thrust wheel 2 and track frame 1.
According to the utility model discloses an embodiment, the pad 4 is connected for dismantling with the installation end cover 303 of track frame 1 and second thrust wheel 3, is convenient for load and unload and change.
According to an embodiment of the present invention, as shown in fig. 2 and 3, the pad member 4 is connected to the track frame 1 and the mounting end cap 303 of the second track roller 3 by the fastener 6. Specifically, the fastening member 6 may be a fastening screw, and the fastening screw penetrates through the mounting end cover 303 of the second bogie wheel 3 and the pad 4 from bottom to top in sequence to be connected with the bottom of the track frame 1 during assembly.
According to an embodiment of the present invention, the fastening member 6 is plural to improve the fastening property.
According to an embodiment of the present invention, the pad 4 is welded to the mounting end cap 303 of the track frame 1 and the second track roller 3.
According to the utility model discloses an embodiment, backing member 4 is the metal backing plate, and convenient for material selection, the cost is lower, can improve support intensity simultaneously.
The specific type of the metal backing plate of the present invention is not particularly limited, and may be, for example, a high-strength metal plate such as a steel plate or an alloy plate.
According to an embodiment of the present invention, as shown in fig. 2 and 3, the crawler travel mechanism further includes a crawler belt 5, the first track roller 2 and the second track roller 3 are disposed on the crawler belt 5, and the crawler teeth 501 of the crawler belt 5 are respectively in clearance fit with the tooth grooves 304 of the first track roller 2 and the tooth grooves 304 of the second track roller 3. Because the utility model discloses design some thrust wheels for the relatively less second thrust wheel 3 of wheel footpath, consequently, for avoiding causing the interference to the rotation of thrust wheel, it has reasonable clearance to pay attention to the tooth's socket 304 of the tooth 501 and the thrust wheel of guaranteeing the track 5, if so design, can guarantee the normal walking of track 5.
According to the utility model discloses the embodiment of second aspect, the utility model discloses still provide a chassis, including the crawler travel mechanism of above-mentioned embodiment. The utility model discloses the chassis can be under the prerequisite of guaranteeing normal walking, effective reduce cost through the crawler travel mechanism of above-mentioned embodiment.
According to an embodiment of the invention, the chassis comprises a plurality of crawler tracks.
According to the utility model discloses the embodiment of third aspect, the utility model discloses still provide an operation machine, including the chassis of above-mentioned embodiment. The specific type of the working machine of the present invention is not particularly limited, and may be, for example, an excavator, a crane, or another working vehicle. The utility model discloses operation machinery can be under the prerequisite of guaranteeing normal walking, effective reduce cost through the chassis of above-mentioned embodiment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A crawler belt unit, comprising:
a track frame;
the first supporting wheels are arranged at two ends of the bottom of the crawler frame;
the second supporting wheels are arranged at the bottom of the crawler frame and positioned between the first supporting wheels at the two ends, the wheel diameters of the second supporting wheels are smaller than those of the first supporting wheels, and two ends of a wheel shaft of each second supporting wheel are respectively provided with an installation end cover;
and the pad piece is connected between the bottom of the crawler frame and the mounting end cover, so that the lowest point of the second supporting wheel and the lowest point of the first supporting wheel are in the same plane.
2. The crawler belt unit according to claim 1, wherein said second track roller is provided in plurality, and at least two of said second track rollers have different diameters.
3. The crawler belt unit according to claim 1, wherein said first track roller is symmetrically disposed at both ends of said second track roller.
4. The crawler travel mechanism of claim 1, wherein the pad is removably connected to the track frame and the mounting end cap.
5. The crawler travel mechanism of claim 4, wherein the pad is connected to the track frame and the mounting end cap by fasteners.
6. The crawler travel mechanism of claim 1, wherein the pad is welded to the track frame and the mounting end cap.
7. Crawler-track according to one of the claims 1 to 6, characterized in that the pad is a metal pad.
8. A crawler belt according to any one of claims 1 to 6, further comprising a crawler belt, wherein grousers inside the crawler belt are clearance-fitted with the gullets of the first track roller and the gullets of the second track roller, respectively.
9. An undercarriage including a crawler track according to any one of claims 1 to 8.
10. A work machine comprising the chassis of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220775386.3U CN217100236U (en) | 2022-04-01 | 2022-04-01 | Crawler travel mechanism, chassis and operating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220775386.3U CN217100236U (en) | 2022-04-01 | 2022-04-01 | Crawler travel mechanism, chassis and operating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217100236U true CN217100236U (en) | 2022-08-02 |
Family
ID=82578059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220775386.3U Active CN217100236U (en) | 2022-04-01 | 2022-04-01 | Crawler travel mechanism, chassis and operating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217100236U (en) |
-
2022
- 2022-04-01 CN CN202220775386.3U patent/CN217100236U/en active Active
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