CN202481172U - Earthmover and track travelling mechanism thereof - Google Patents
Earthmover and track travelling mechanism thereof Download PDFInfo
- Publication number
- CN202481172U CN202481172U CN2011205732737U CN201120573273U CN202481172U CN 202481172 U CN202481172 U CN 202481172U CN 2011205732737 U CN2011205732737 U CN 2011205732737U CN 201120573273 U CN201120573273 U CN 201120573273U CN 202481172 U CN202481172 U CN 202481172U
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- Prior art keywords
- riding wheel
- wheel bracket
- bracket
- roller
- utility
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Abstract
The utility model provides a track travelling mechanism, which comprises a riding wheel bracket, a riding wheel and a trolley, wherein the riding wheel bracket is integrally structured. Because the riding wheel bracket is integrally structured, the problem that the traditional riding wheel bracket is divided into two parts, namely an upper riding wheel bracket and a lower riding wheel bracket, is avoided; a process of respectively manufacturing the upper riding wheel bracket and the lower riding wheel bracket and a process of respectively processing the lower installation surface of the upper riding wheel bracket and the upper installation surface of the lower riding wheel bracket in the production and manufacture process of the riding wheel bracket are unnecessary; and a step of processing the two installation surfaces is reduced. According to the integrally structured riding wheel bracket provided by the utility model, the processing intensity of the riding wheel bracket is reduced; and the manufacture cost of the riding wheel bracket is reduced. The utility model further provides an earthmover, which comprises the track travelling mechanism, a shovelling and moving mechanism and a power device, wherein the track travelling mechanism of the earthmover is the track travelling mechanism with the above structure.
Description
Technical field
The utility model relates to technical field of engineering machinery, more particularly, relates to a kind of bulldozer and creeper undercarriage thereof.
Background technology
Bulldozer is a kind of engineering truck, and large-scale metal blade is equipped with in the place ahead, puts down blade during use, backing-off cutting and push mud, sand and stone etc. forward, and blade position and angle can be adjusted.The soil-shifting function is accomplished shoveling, muck haulage separately and is unloaded the geotechnique and do, and has flexible operation, rotates characteristics such as convenient, that required driving surface is little, moving velocity is fast.It mainly is applicable to the short fortune of shallow cut of one to three type of soil, and like site clearing or smooth, foundation ditch that cutting depth is little and backfill push away and build highly little roadbed etc.
Bulldozer can be divided into two kinds of crawler doer and wheel bulldozers by the difference of walking manner, and wherein, it is big that crawler doer adheres to tractive force, and grounding pressure is little, and hill climbing ability is strong.The creeper undercarriage of crawler doer mainly is made up of track adjusting wheel, chassis, track frame, caterpillar wheel, actuating device, support roller and caterpillar block etc.; When the motor in the actuating device drives the drive wheel rotation; The chain rail and the caterpillar block that are meshed with drive wheel have the trend that relatively moves; Because the adhesive ability between caterpillar block and the road surface then rolls along the chain rail of laying greater than drive wheel, caterpillar wheel and track adjusting wheel, thereby drive the complete machine walking.
Support roller on the creeper undercarriage of bulldozer is installed on the roller bracket of chassis, and is as shown in Figure 1, and Fig. 1 is the structural representation of the creeper undercarriage of bulldozer in the prior art.The roller bracket of existing bulldozer all is set to split type; Roller bracket is divided into support roller upper bracket 3 and support roller lower bracket 2; Support roller 5 is installed on the support roller upper bracket 3; Connect as one through fastener 4 between support roller upper bracket 3 and the support roller lower bracket 2, support roller lower bracket 2 is fixed on the chassis 1 through the mode of welding.Because support roller upper bracket 3 is installed through fastener 4 with support roller lower bracket 2; Therefore the following attachment face of support roller upper bracket 3 and the last attachment face of support roller lower bracket 2 all need be processed; Cooperate the requirement of installing to satisfy the two; So just strengthen the processing intensity of whole roller bracket, increased manufacturing cost.
Therefore, how reducing the processing intensity of track carrying wheel support, and reduce the manufacturing cost of track carrying wheel support, is present those skilled in the art's problem demanding prompt solution.
The utility model content
In view of this, the utility model provides a kind of bulldozer and creeper undercarriage thereof, reduces the processing intensity of track carrying wheel support with realization, and reduces the manufacturing cost of track carrying wheel support.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of creeper undercarriage comprises roller bracket, support roller and chassis, and said roller bracket is the roller bracket of integral structure.
Preferably, in above-mentioned creeper undercarriage, the bottom of said roller bracket is welded on the said chassis.
Preferably, in above-mentioned creeper undercarriage, said support roller is installed on the top of said roller bracket.
A kind of bulldozer comprises creeper undercarriage, scoper structure and engine installation, and said creeper undercarriage is as above any described creeper undercarriage.
In the creeper undercarriage that the utility model provides, comprise roller bracket, support roller and chassis, roller bracket is an integral structure.Roller bracket is set to integral structure; Avoided being divided into support roller upper bracket and support roller lower bracket two-part structure like existing roller bracket; Need be in the manufacturing process of roller bracket; Make to obtain support roller upper bracket and support roller lower bracket respectively, and, reduced manufacturing procedure two attachment faces to the process that the last attachment face of the following attachment face of support roller upper bracket and support roller lower bracket is processed respectively.The roller bracket of the integral structure that the utility model provides has reduced the processing intensity of track carrying wheel support, and has reduced the manufacturing cost of track carrying wheel support.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the creeper undercarriage of bulldozer in the prior art;
The structural representation of the creeper undercarriage that Fig. 2 provides for the utility model.
The specific embodiment
The utility model discloses a kind of bulldozer and creeper undercarriage thereof, reduce the processing intensity of track carrying wheel support, and reduce the manufacturing cost of track carrying wheel support with realization.
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, complete description, obviously, described true example only is the true example of the utility model part, rather than whole embodiment.Based on the embodiment of the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 2, the structural representation of the creeper undercarriage that Fig. 2 provides for the utility model.
The utility model provides a kind of creeper undercarriage; Comprise roller bracket, support roller 5 and chassis 1, roller bracket is the roller bracket 7 with integral structure, and roller bracket 7 is set to integral structure; Then in the process that roller bracket 7 is manufactured; Only need the bottom and the top of roller bracket 7 be processed, reduced procedure of processing, promptly like roller bracket in the prior art; Existing roller bracket is divided into support roller upper bracket and support roller lower bracket two parts; Need simultaneously the last attachment face of support roller lower bracket and the following attachment face of support roller upper bracket to be processed respectively, promptly need the installation position of the two be processed, needs are installed to satisfy support roller upper bracket and support roller lower bracket.
The creeper undercarriage that present embodiment provides, its roller bracket are the roller bracket 7 of integral structure, have reduced the production process of roller bracket 7, reduce the processing intensity of track carrying wheel support, and reduce the manufacturing cost of track carrying wheel support.
As shown in Figure 1, Fig. 1 is the structural representation of the creeper undercarriage of bulldozer in the prior art.
Roller bracket 7 is set to integral structure; Compared to existing roller bracket; Because roller bracket mainly bears the bending moment force of vertical direction; Therefore existing support roller upper bracket 3 bears bigger bending moment force with the connecting portion of support roller lower bracket 2, and to having relatively high expectations of the fastener between the two 4, fastener 4 bears the effect of bigger bending moment force.After adopting the roller bracket 7 of integral type, bear the moment of flexure effect, strengthened the structural stability of roller bracket 7 by the integral body of the frame 7 of support roller.In order further to increase the stability of roller bracket 7, roller bracket 7 can be set to i-beam structure, and it can bear bigger bending moment force, has strengthened the safety in utilization and the service life of roller bracket 7.
In the creeper undercarriage that present embodiment provides, the bottom of roller bracket 7 links to each other with chassis 1 through the mode of welding, and welding back roller bracket 7 is an integral structure with chassis 1, has strengthened the load-carrying capacity between roller bracket 7 and the chassis 1.Support roller 5 is arranged at the top of roller bracket 7, and support roller 5 is accomplished fixing through fastener 6.
Roller bracket 7 is set to integral structure, has reduced the processing intensity of roller bracket, has therefore improved the production efficiency of roller bracket 7, and then has reduced the manufacturing cost of roller bracket 7.
Based on the creeper undercarriage that provides in the foregoing description, the utility model also provides a kind of bulldozer, comprises creeper undercarriage, and scoper structure and engine installation, the creeper undercarriage of bulldozer are the creeper undercarriage that provides in the foregoing description.
Because this bulldozer has adopted the creeper undercarriage of the foregoing description, so this bulldozer please refer to the foregoing description by the beneficial effect that creeper undercarriage brings.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (4)
1. a creeper undercarriage comprises roller bracket, support roller (5) and chassis (1), it is characterized in that, said roller bracket is the roller bracket (7) of integral structure.
2. creeper undercarriage according to claim 1 is characterized in that, the bottom of said roller bracket (7) is welded on the said chassis.
3. creeper undercarriage according to claim 1 is characterized in that, said support roller (5) is installed on the top of said roller bracket (7).
4. a bulldozer comprises creeper undercarriage, and scoper structure and engine installation is characterized in that, said creeper undercarriage is like any described creeper undercarriage of claim 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205732737U CN202481172U (en) | 2011-12-31 | 2011-12-31 | Earthmover and track travelling mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205732737U CN202481172U (en) | 2011-12-31 | 2011-12-31 | Earthmover and track travelling mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202481172U true CN202481172U (en) | 2012-10-10 |
Family
ID=46955620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205732737U Expired - Lifetime CN202481172U (en) | 2011-12-31 | 2011-12-31 | Earthmover and track travelling mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202481172U (en) |
-
2011
- 2011-12-31 CN CN2011205732737U patent/CN202481172U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |
|
| CX01 | Expiry of patent term |