CN202911826U - Crawler type sliding steering loading machine traveling system - Google Patents
Crawler type sliding steering loading machine traveling system Download PDFInfo
- Publication number
- CN202911826U CN202911826U CN 201220281678 CN201220281678U CN202911826U CN 202911826 U CN202911826 U CN 202911826U CN 201220281678 CN201220281678 CN 201220281678 CN 201220281678 U CN201220281678 U CN 201220281678U CN 202911826 U CN202911826 U CN 202911826U
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- CN
- China
- Prior art keywords
- wheel
- guide wheel
- fork body
- tensioning spring
- crawler
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- Expired - Fee Related
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Abstract
A crawler type sliding steering loading machine traveling system comprises a driving wheel, a guiding wheel assembly, a rack, a supporting wheel and a crawler belt. The guiding wheel assembly comprises a guiding wheel, a tensioning spring and a fork body. The guiding wheel is hinged to the front end of the fork body, and a telescopic end of the tensioning spring is contacted with the tail portion of the fork body closely. The rack comprises a support for installing the supporting wheel, a casing fixed above the support and a sliding groove fixed at the front end of the rack. The fork body and the guiding wheel are installed in the sliding groove at the front end of the rack. The diameter of the guiding wheel is smaller than that of the driving wheel. The crawler type sliding steering loading machine traveling system has the advantage that a two-wheel one-belt structure of the guiding wheel and the driving wheel is adopted, driving wheel wrap angles are increased, and service life of the crawler belt is prolonged; the stability of the whole machine is improved by reducing the diameter of the guiding wheel; and accumulation of soil can be reduced by improving the rack structure.
Description
Technical field
The utility model relates to a kind of endless track installation, particularly a kind ofly under equal conditions can improve complete machine stability and can improve the crawler belt crawler-type slipping steering loading machine running gear in service life.
Background technology
The running gear of crawler-type slipping steering loading machine is to adopt the high triangular structure of putting of drive wheel substantially at present, and this structure comprises drive wheel, front guide wheel, rear guide wheel, caterpillar wheel and tightening device and crawler belt.Some company also is provided with the holder sprocket wheel as required on this basis, forms so-called " four-wheel one band " structure.But the structures shape that this drive wheel setting and front guide wheel, rear guide wheel are triangularly arranged the drive wheel cornerite diminish, simultaneously the triangular structure crawler belt can produce the bending of three places, therefore can cause shorten the service life of crawler belt.
Lower maximum weight that can promote of the situation of tumbling before not occuring when the load of tumbling is the construction machinery and equipment lifting heavy is the important indicator of weighing overall performance.The load of tumbling is larger, and complete machine stability is higher.The load of tumbling of crawler-type slipping steering loading machine is that the center of in the past guide wheel is fulcrum, the maximum load that complete machine does not lean forward and can bear.The position of the front guide wheel of the caterpillar system of crawler-type slipping steering loading machine is subject to the restriction of equipment structure, thereby can't further reduce the purpose that the load arm of force improves the magnitude of load of tumbling to load gravity center near reaching.
Summary of the invention
Goal of the invention: the purpose of this utility model provides and a kind ofly not only improves complete machine stability but also can improve the crawler belt crawler-type slipping steering loading machine running gear in service life.
Technical scheme: a kind of crawler-type slipping steering loading machine running gear, comprise drive wheel, guide wheel assembly, stand, caterpillar wheel and crawler belt, described guide wheel assembly comprises guide wheel, tensioning spring and fork body, described guide wheel is articulated in fork body front end, tensioning spring telescopic end and fork body afterbody close contact; Described stand comprises for the support that caterpillar wheel is installed, is fixed in the housing of support top and is fixed on the chute of stand front end; Described fork body is installed in the chute of stand front end together with guide wheel; The diameter of guide wheel is less than the diameter of drive wheel.Crawler belt forms the continuous endless track installation of annular around drive wheel, caterpillar wheel and guide wheel, because the restriction crawler belt of complete machine structure can not be interfered with scraper bowl, the center of guide wheel is for estimating the tumble fulcrum of load of complete machine, the center of the less guide wheel of diameter of guide wheel is more to reach, the arm of force L1 of load is less, L2 is larger for the machine gravity arm of force, and according to principle of moment balance, the load of tumbling that complete machine can bear is just larger.Simultaneously because this endless track installation has adopted a guide wheel to add the structure of a drive wheel, so the drive wheel cornerite is larger, has improved the service life of crawler belt.
Described housing cross-sectional plane is right-angled trapezium, and the inclined-plane of described housing is towards the outside of complete machine; Described tensioning spring is positioned at enclosure interior, and the installation site of described tensioning spring is to the inboard biasing of complete machine.The environment of crawler-type slipping steering loading machine work often is the heavy road face, so is very easy to gather earth between stand top and the crawler belt, thereby affects the service life of crawler belt.In order to reduce the accumulation of earth, the width on plane on the housing of stand will strengthen right-angled trapezium when design inclined-plane reduces, but the tensioning spring of enclosure interior can interfere with the inclined-plane, so tensioning spring needs when mounted to the inboard biasing of complete machine.
Beneficial effect: the utility model adopts a guide wheel to add two of a drive wheel and takes turns a band structure and increased the drive wheel cornerite and improved crawler belt service life; Improved the stability of complete machine by the diameter that reduces guide wheel; The improvement of horse structure can reduce the accumulation of earth.
Description of drawings
Fig. 1 is the structural representation of the utility model endless track installation;
Fig. 2 is the assembling schematic diagram that the utility model endless track installation is removed the crawler belt directing assembly;
Fig. 3 is the birds-eye view that the utility model endless track installation removal crawler belt and housing parts are cut open.
The specific embodiment
As shown in the figure, a kind of crawler-type slipping steering loading machine running gear, comprise drive wheel 1, guide wheel assembly 2, stand 3, caterpillar wheel 4 and crawler belt 5, described guide wheel assembly 2 comprises guide wheel 21, tensioning spring 22 and fork body 23, described guide wheel 21 is articulated in fork body 23 front ends, tensioning spring 22 telescopic ends and fork body 23 afterbody close contacts; Described stand 3 comprises for the support 31 that caterpillar wheel 4 is installed, is fixed in the housing 32 of support 31 tops and is fixed on the chute 33 of stand 3 front ends; Described fork body 23 is installed in the chute 33 of stand 3 front ends together with guide wheel 21; The diameter of guide wheel 21 is less than the diameter of drive wheel 1.Crawler belt 5 forms the continuous endless track installation of annular around drive wheel 1, caterpillar wheel 4 and guide wheel 21, because the restriction crawler belt 5 of complete machine structure can not be interfered with scraper bowl, the center of guide wheel 21 is for estimating the tumble fulcrum of load of complete machine, the diameter of guide wheel 21 more the center of introductory note guide wheel 21 more to reach, the arm of force L1 of load is less, L2 is larger for the machine gravity arm of force, and according to principle of moment balance, the load of tumbling that complete machine can bear is just larger; Facts have proved that the guide wheel diameter narrows down to 400 millimeters complete machines load of tumbling by 630 millimeters and can improve 13%.Simultaneously because this endless track installation has adopted a guide wheel 21 to add the structure of a drive wheel 1, so drive wheel 1 cornerite is larger, has improved the service life of crawler belt 5.
Described housing 32 cross-sectional planes are right-angled trapezium, and the inclined-plane of described housing 32 is towards the outside of complete machine; Described tensioning spring 22 is positioned at housing 32 inside, and the installation site of described tensioning spring 22 is to the inboard biasing of complete machine.The environment of crawler-type slipping steering loading machine work often is the heavy road face, so is very easy to gather earth between stand 3 tops and the crawler belt 5, thereby affects the service life of crawler belt 5.In order to reduce the accumulation of earth, the width on plane on the housing 32 of stand 3 will strengthen right-angled trapezium when design inclined-plane reduces, but the tensioning spring of housing 32 inside 22 can and the inclined-plane interfere, so tensioning spring 22 needs when mounted to the inboard biasing of complete machine.
Claims (2)
1. crawler-type slipping steering loading machine running gear, comprise drive wheel (1), guide wheel assembly (2), stand (3), caterpillar wheel (4) and crawler belt (5), it is characterized in that: described guide wheel assembly (2) comprises guide wheel (21), tensioning spring (22) and fork body (23), described guide wheel (21) is articulated in fork body (23) front end, tensioning spring (22) telescopic end and fork body (23) afterbody close contact; Described stand (3) comprises for the support (31) that caterpillar wheel (4) is installed, is fixed in the housing (32) of support (31) top and is fixed on the chute (33) of stand (3) front end; Described fork body (23) is installed in the chute (33) of stand (3) front end together with guide wheel (21); The diameter of guide wheel (21) is less than the diameter of drive wheel (1).
2. crawler-type slipping steering loading machine running gear as claimed in claim 1, it is characterized in that: described housing (32) cross-sectional plane is right-angled trapezium, and the inclined-plane of described housing (32) is towards the outside of complete machine; Described tensioning spring (22) is positioned at housing (32) inside, and the installation site of described tensioning spring (22) is to the inboard biasing of complete machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220281678 CN202911826U (en) | 2012-06-15 | 2012-06-15 | Crawler type sliding steering loading machine traveling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220281678 CN202911826U (en) | 2012-06-15 | 2012-06-15 | Crawler type sliding steering loading machine traveling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202911826U true CN202911826U (en) | 2013-05-01 |
Family
ID=48160160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220281678 Expired - Fee Related CN202911826U (en) | 2012-06-15 | 2012-06-15 | Crawler type sliding steering loading machine traveling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202911826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102700639A (en) * | 2012-06-15 | 2012-10-03 | 江苏柳工机械有限公司 | Crawler-type travel system for skid-steer loader |
-
2012
- 2012-06-15 CN CN 201220281678 patent/CN202911826U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102700639A (en) * | 2012-06-15 | 2012-10-03 | 江苏柳工机械有限公司 | Crawler-type travel system for skid-steer loader |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20200615 |