CN203049647U - Soil shifter - Google Patents
Soil shifter Download PDFInfo
- Publication number
- CN203049647U CN203049647U CN 201320012715 CN201320012715U CN203049647U CN 203049647 U CN203049647 U CN 203049647U CN 201320012715 CN201320012715 CN 201320012715 CN 201320012715 U CN201320012715 U CN 201320012715U CN 203049647 U CN203049647 U CN 203049647U
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- CN
- China
- Prior art keywords
- perching knife
- bulldozer
- engine case
- oil cylinder
- soil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a soil shifter. The soil shifter comprises an engine box (100), a cab, a car frame, a traveling device (800), a bulldozing scraper knife (400) and a scraper knife lifting oil cylinder (500) which is connected with the bulldozing scraper knife, the engine box is arranged in front of the cab, the bulldozing scraper knife is arranged on the traveling device, wherein the scraper knife lifting oil cylinder is arranged on the engine box or the car frame through a support (600), and a portion of the support which is used for installing the scraper knife lifting oil cylinder is located in front of the engine box. The scraper knife lifting oil cylinder is arranged on the engine box or the car frame through the support which extends forward, and therefore the soil shifter enables a supporting point position of the scraper knife lifting oil cylinder to move forward, enlarges an included angle between an oil cylinder rod of the scraper knife lifting oil cylinder and a horizontal plane of the scraper knife lifting oil cylinder, further reduces tension and moment of force exerted by the oil cylinder rod and curved deformation of the oil cylinder rod, thereby lowering rigidity design requirements for the oil cylinder rod, and is favorable to manufacture usage and maintenance of an oil cylinder.
Description
Technical field
The utility model relates to engineering machinery field, particularly, relates to a kind of bulldozer.
Background technology
As shown in Figure 1, in existing bulldozer, perching knife lift cylinder 500 is mounted obliquely within the upper lateral part of engine case 100 by rotating shaft and bearing, and the cylinder rod of perching knife lift cylinder 500 links to each other with soil-shifting perching knife 400.The origin of force of perching knife lift cylinder 500 can move to the B point by point along the s track from A when perching knife lift cylinder 500 promotes soil-shifting perching knife 400, the effect when cylinder rod of perching knife lift cylinder 500 can be subjected to pulling force P and anticlockwise moment N.Owing to be subjected to the restriction of perching knife lift cylinder 500 supporting point positions, in the motion process of perching knife lift cylinder 500 lifting soil-shifting perching knives 400, the cylinder rod of perching knife lift cylinder 500 and the angle α 1 between the horizontal plane are in 46 degree all the time with in the interior scope, thereby cause pulling force P and moment N bigger, impel cylinder rod to produce flexural deformation, thereby improved the rigidity Design requirement to cylinder rod, be unfavorable for manufacturing, the O﹠M of oil cylinder.
The utility model content
The purpose of this utility model provides a kind of bulldozer that can reduce the rigidity Design requirement of cylinder rod.
To achieve these goals, the utility model provides a kind of bulldozer, this bulldozer comprises engine case, driver's cabin, vehicle frame, running gear, soil-shifting perching knife and the perching knife lift cylinder that is connected with described soil-shifting perching knife, described engine case is positioned at the place ahead of described driver's cabin, described soil-shifting perching knife is installed on the described running gear, wherein, described perching knife lift cylinder is installed on described engine case or the described vehicle frame by support, and the part that is used for the described perching knife lift cylinder of installation of described support is positioned at the place ahead of described engine case.
Preferably, described perching knife lift cylinder is two, these two perching knife lift cylinders lay respectively at the both sides of described engine case, described support comprises two installing plates that stretch out forward from described engine case, the front end of these two installing plates is equipped with rotating shaft, and two described perching knife lift cylinders are installed in respectively in the described rotating shaft.
Preferably, two described installing plates stretch out obliquely upward from described engine case, and the distance between the front end of two described installing plates is greater than the width of described engine case.
Preferably, the front end of two described installing plates all is equipped with for the axle sleeve that described rotating shaft is installed, and two described axle sleeves are installed in the front end of two described installing plates respectively, and these two axle sleeves being spaced from each other in a lateral direction at described bulldozer.
Preferably, two described axle sleeves extend toward each other along the horizontal direction of described bulldozer, and two described perching knife lift cylinders are installed on two described axle sleeves each other side dorsad respectively.
Preferably, be connected with crossbeam between two described installing plates.
Preferably, described installing plate has the fixed part that is connected with described engine case, and this fixed part removably is connected with described engine case.
Preferably, when described soil-shifting perching knife was in the soil-shifting state, the angle between the cylinder rod of described perching knife lift cylinder and the described bulldozer direction of advance was 50 degree ~ 90 degree.
In the bulldozer that the utility model provides, the perching knife lift cylinder is installed on engine case or the vehicle frame by the support that stretches out forward, thereby make the supporting point position reach of perching knife lift cylinder, the cylinder rod of perching knife lift cylinder and the angle between the horizontal plane have been increased, and then reduced suffered pulling force and the moment of cylinder rod, reduce the flexural deformation of cylinder rod, thereby reduced the rigidity Design requirement to cylinder rod, be conducive to manufacturing, the O﹠M of oil cylinder.
Other feature and advantage of the present utility model will partly be described in detail in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide further understanding of the present utility model, and constitutes the part of manual, is used from explanation the utility model with the following specific embodiment one, but does not constitute restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the mounting structure schematic diagram of perching knife lift cylinder in the existing bulldozer;
Fig. 2 is the mounting structure schematic diagram of perching knife lift cylinder in the bulldozer that provides of the utility model;
Fig. 3 is the front view that is used for installing the support of perching knife lift cylinder in the bulldozer that provides of the utility model;
Fig. 4 is the lateral view that is used for installing the support of perching knife lift cylinder in the bulldozer that provides of the utility model;
Fig. 5 is the vertical view that is used for installing the support of perching knife lift cylinder in the bulldozer that provides of the utility model.
Description of reference numerals
100: engine case 400: the soil-shifting perching knife
500: perching knife lift cylinder 600: support
601: installing plate 601a: fixed part
602: axle sleeve 603: crossbeam
608: the corporate identify board
800: running gear
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.Should be understood that the specific embodiment described herein only is used for description and interpretation the utility model, is not limited to the utility model.
In the utility model, under the situation of not doing opposite explanation, the noun of locality of use is that the duty of the bulldozer that provides at the utility model is undefined as " preceding, on ".
As shown in Figure 2, the utility model provides a kind of bulldozer, this bulldozer comprises engine case 100, the driver's cabin (not shown), the vehicle frame (not shown), running gear 800, soil-shifting perching knife 400 and the perching knife lift cylinder 500 that is connected with described soil-shifting perching knife 400, described engine case 100 is positioned at the place ahead of described driver's cabin, described soil-shifting perching knife 400 is installed on the described running gear 800, wherein, described perching knife lift cylinder 500 is installed on described engine case 100 or the described vehicle frame by support 600, and the part that is used for the described perching knife lift cylinder 500 of installation of described support 600 is positioned at the place ahead of described engine case 100.
Block operating personnel's sight line for fear of perching knife lift cylinder 500, the position that will locate according to perching knife lift cylinder 500, two described installing plates 601 stretch out obliquely upward from described engine case 100 usually, and the distance between the front end of two described installing plates 601 is greater than the width of described engine case 100.
The installation of rotating shaft for convenience, and for the visual field that can open operating personnel, avoid axle sleeve 602 to block operating personnel's sight line, preferably, the front end of two described installing plates 601 all is equipped with for the axle sleeve 602 that described rotating shaft is installed, two described axle sleeves 602 are installed in the front end of two described installing plates 601 respectively, and these two axle sleeves 602 being spaced from each other in a lateral direction at described bulldozer.In addition, as selection, two axle sleeves 602 also can be substituted by the axle sleeve of an integral body, and the two ends of the axle sleeve that this is whole are installed in the front end of two installing plates 601 respectively, and two perching knife lift cylinders 500 are installed in two ends of whole axle sleeve respectively by rotating shaft.In this case, operating personnel's the operation visual field can be subjected to partial occlusion.
In addition, preferably, two described axle sleeves 602 extend toward each other along the horizontal direction of described bulldozer, and two described perching knife lift cylinders 500 are installed on two described axle sleeves 602 each other side dorsad respectively.Like this, two perching knife lift cylinders 500 can be installed in the opposite side opposite with axle sleeve 602 places one side, i.e. the outside of engine case 100, thus make things convenient for the layout of perching knife lift cylinder 500.
In order to improve the structural rigidity of support 600, preferably, be connected with crossbeam 603 between two described installing plates 601.The mode that crossbeam 603 can be taked for example to weld or be fastenedly connected is connected with two installing plates 601.In addition, can also corporate identify board 608 be set at crossbeam 603.
In addition, support 600 can be installed on engine case 100 or the vehicle frame by the mode that is fastenedly connected or welds.The dismounting of support 600 for convenience, as shown in Figure 3, preferably, described installing plate 601 has the fixed part 601a that is connected with described engine case 100, and this fixed part 601a for example removably is connected by securing member with described engine case 100.
The cylinder rod of perching knife lift cylinder 500 and the angle between the horizontal plane can suitably be selected according to the design needs, preferably, when described soil-shifting perching knife 400 was in the soil-shifting state, the angle β between the cylinder rod of described perching knife lift cylinder 500 and the described bulldozer direction of advance was 50 degree ~ 90 degree.
Soil-shifting perching knife 400 is conventionally known to one of skill in the art with the connected mode of perching knife lift cylinder 500, does not repeat them here.In addition, the mounting means of soil-shifting perching knife 400 on running gear 800 is conventionally known to one of skill in the art, do not repeat them here.
As shown in Figure 2, in the bulldozer that the utility model provides, perching knife lift cylinder 500 is installed on engine case 100 or the vehicle frame by the support 600 that stretches out forward, thereby make the supporting point position reach of perching knife lift cylinder 500, the cylinder rod of perching knife lift cylinder 500 and the angle α 2 between the horizontal plane have been increased, and then reduced suffered pulling force P and the moment N of cylinder rod, reduced the flexural deformation of cylinder rod, thereby reduced the rigidity Design requirement to cylinder rod, be conducive to manufacturing, the O﹠M of oil cylinder.
Below describe preferred embodiment of the present utility model by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up by any suitable manner.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out any combination between the various embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (8)
1. bulldozer, this bulldozer comprises engine case (100), driver's cabin, vehicle frame, running gear (800), soil-shifting perching knife (400) and the perching knife lift cylinder (500) that is connected with described soil-shifting perching knife (400), described engine case (100) is positioned at the place ahead of described driver's cabin, described soil-shifting perching knife (400) is installed on the described running gear (800), it is characterized in that, described perching knife lift cylinder (500) is installed on described engine case (100) or the described vehicle frame by support (600), and the part that is used for the described perching knife lift cylinder of installation (500) of described support (600) is positioned at the place ahead of described engine case (100).
2. bulldozer according to claim 1, it is characterized in that, described perching knife lift cylinder (500) is two, these two perching knife lift cylinders (500) lay respectively at the both sides of described engine case (100), described support (600) comprises two installing plates (601) that stretch out forward from described engine case (100), the front end of these two installing plates (601) is equipped with rotating shaft, and two described perching knife lift cylinders (500) are installed in respectively in the described rotating shaft.
3. bulldozer according to claim 2, it is characterized in that, two described installing plates (601) stretch out obliquely upward from described engine case (100), and the distance between the front end of two described installing plates (601) is greater than the width of described engine case (100).
4. bulldozer according to claim 2, it is characterized in that, the front end of two described installing plates (601) all is equipped with for the axle sleeve (602) that described rotating shaft is installed, two described axle sleeves (602) are installed in the front end of two described installing plates (601) respectively, and these two axle sleeves (602) being spaced from each other in a lateral direction at described bulldozer.
5. bulldozer according to claim 4, it is characterized in that, two described axle sleeves (602) extend toward each other along the horizontal direction of described bulldozer, and two described perching knife lift cylinders (500) are installed on two described axle sleeves (602) each other side dorsad respectively.
6. bulldozer according to claim 2 is characterized in that, is connected with crossbeam (603) between two described installing plates (601).
7. bulldozer according to claim 2 is characterized in that, described installing plate (601) has the fixed part (601a) that is connected with described engine case (100), and this fixed part (601a) removably is connected with described engine case (100).
8. according to any described bulldozer in the claim 1 to 7, it is characterized in that, when described soil-shifting perching knife (400) was in the soil-shifting state, the angle (β) between the cylinder rod of described perching knife lift cylinder (500) and the described bulldozer direction of advance was 50 degree ~ 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320012715 CN203049647U (en) | 2013-01-10 | 2013-01-10 | Soil shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320012715 CN203049647U (en) | 2013-01-10 | 2013-01-10 | Soil shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203049647U true CN203049647U (en) | 2013-07-10 |
Family
ID=48732618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320012715 Expired - Fee Related CN203049647U (en) | 2013-01-10 | 2013-01-10 | Soil shifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203049647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524186A (en) * | 2016-06-22 | 2017-12-29 | 卡特彼勒公司 | Hoist cylinder erecting device for caterpillar tractor |
-
2013
- 2013-01-10 CN CN 201320012715 patent/CN203049647U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524186A (en) * | 2016-06-22 | 2017-12-29 | 卡特彼勒公司 | Hoist cylinder erecting device for caterpillar tractor |
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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 |
Granted publication date: 20130710 Termination date: 20160110 |