CN215630303U - High-stability chassis for amphibious excavator - Google Patents
High-stability chassis for amphibious excavator Download PDFInfo
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- CN215630303U CN215630303U CN202122226475.0U CN202122226475U CN215630303U CN 215630303 U CN215630303 U CN 215630303U CN 202122226475 U CN202122226475 U CN 202122226475U CN 215630303 U CN215630303 U CN 215630303U
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- extension rod
- excavator
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Abstract
The utility model discloses a high-stability chassis for an amphibious excavator. The floating box comprises two floating boxes, and is characterized by further comprising two movable supports, longitudinal supports and transverse supports, wherein the two movable supports are positioned between the two floating boxes and are symmetrically arranged by taking the rotary joint as a center; one end of the movable support is hinged with the bottom of the base, the other end of the movable support is fixedly connected with a cross brace, a cylinder barrel of the first hydraulic oil cylinder is hinged with the top of the base, and a piston rod is hinged in the middle of the movable support. The stull both ends are articulated to have two to indulge and prop, indulge the middle part of propping and the stull tip is articulated, install two second hydraulic cylinder on the stull, the cylinder articulates on the stull, the piston rod with indulge and prop the top articulated. Indulge and prop internally mounted and have the extension rod, the extension rod can stretch out and contract from indulging the support, and the extension rod is connected with the footing, footing and extension rod angularly adjustable. The utility model is suitable for various excavators, has higher stability, small occupied space and small occupied space, and avoids the obstruction to the travel of the excavator.
Description
Technical Field
The utility model belongs to the field of excavator accessories, and particularly relates to a high-stability chassis for an amphibious excavator.
Background
An amphibious excavator is one of special excavating machines, and is specially developed for solving the problems that engineering ships and conventional engineering machines cannot enter constructed marshland, shoals, silted channels, river channels, lake surfaces and other areas for excavating and dredging. The amphibious excavator has the use functions of a common excavator, has the characteristics of ultralow specific grounding pressure, water floating and the like, and is a special excavating machine capable of automatically entering and exiting a mud marsh, a water area and a river slope embankment. The amphibious excavator has the advantage of large buoyancy, and can ensure normal operation and safe floating navigation of the whole excavator in muddy water. In actual construction, the vehicle can run on water, marsh and soft ground without any other auxiliary equipment consignment, and can automatically enter and exit the water area through the configuration of the engine.
However, the existing amphibious excavator is easy to swing when meeting water surface waves in the using process, especially in deep water areas; meanwhile, when the excavator bucket works, the excavating arm is stressed, and the bottom of the excavator bucket mainly depends on the floating box to float, so that the excavator bucket is easy to shake. The instability of the amphibious excavator increases the operation difficulty of workers and is easy to generate dangers such as overturning and the like.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide the high-stability chassis for the amphibious excavator, which is provided with the foldable support rods and the foldable bottom feet and is inclined at a certain angle, so that the amphibious excavator can be normally used in water and on land, and the stability and the safety during working are improved.
In order to achieve the aim, the utility model provides a high-stability chassis for an amphibious excavator, which comprises a buoyancy tank, a track assembly, a base and a propeller, wherein the chassis is connected with an excavator body of the excavator through a rotary joint, the base is fixed on the rotary joint, and two support shafts are symmetrically arranged on the base; the two buoyancy tanks are symmetrically arranged on two sides of the base, and the support shafts are inserted in the buoyancy tanks to play a role in fixing; the crawler assembly comprises a crawler which is sleeved outside the buoyancy tank; the propeller is arranged at the rear part of the base,
the floating box comprises two floating boxes, and is characterized by further comprising two movable supports, longitudinal supports and transverse supports, wherein the two movable supports are positioned between the two floating boxes and are symmetrically arranged by taking the rotary joint as a center; one end of the movable support is hinged with the bottom of the base, the other end is fixedly connected with a cross brace, a cylinder barrel of the first hydraulic oil cylinder is hinged with the top of the base, a piston rod is hinged in the middle of the movable support,
two ends of the transverse support are hinged with two longitudinal supports, the middle part of each longitudinal support is hinged with the end part of the transverse support, two second hydraulic cylinders are arranged on the transverse support, the cylinder barrel is hinged on the transverse support, the piston rod is hinged with the top ends of the longitudinal supports,
an extension rod is arranged in the longitudinal support and can extend out and contract from the longitudinal support, a bottom foot is connected with the extension rod, and the angle between the bottom foot and the extension rod can be adjusted; the bottom foot is disc-shaped, and the normal direction of the lower surface is always vertical to the ground when the device works.
Furthermore, the movable support and the bottom and the top of the base are respectively provided with two hinged points, and the number of the hydraulic oil cylinders is two and the two hydraulic oil cylinders are symmetrically arranged.
Furthermore, the longitudinal support is a square pipe, a third hydraulic oil cylinder is installed inside the longitudinal support, and a piston rod of the third hydraulic oil cylinder is connected with the extension rod.
Further, the bottom feet are detachably connected with the extension rod, and the bottom feet are detached when the extension rod is contracted and the longitudinal support is folded.
Furthermore, the propeller has two, and the symmetry is installed at the stull lower surface.
The utility model has the beneficial effects that:
the high-stability chassis for the amphibious excavator can be used as a common excavator on land, and can also be used for projects such as ditch dredging, lake segmentation, embankment reinforcement, mudflat development and the like. The supporting legs are matched with various excavators, the supporting legs can be adjusted to be inclined, and the stability is higher. Ingenious space folding, combination design can stretch out the slope again earlier, and occupation space is little, also avoids the hindrance to the excavator stroke.
Drawings
Figure 1 is a perspective view of a high stability chassis for an amphibious excavator according to the present invention assembled with an excavator body;
figure 2 is a schematic front view of a high stability undercarriage for an amphibious excavator according to the present invention assembled with an excavator body and in operation;
figure 3 is an enlarged perspective view of a high stability undercarriage for an amphibious excavator according to the present invention in land or shallow water operation;
fig. 4 is an enlarged perspective view of the movable support, longitudinal support, foot, etc. of the present invention.
In the figure: 1. a body; 2. a track assembly; 3. a buoyancy tank; 4. an extension pole; 5. footing; 6. longitudinally supporting; 7. a movable support; 8. a first hydraulic cylinder; 9. a base; 10. a second hydraulic cylinder; 11. a cross brace; 12. a propeller.
Detailed Description
The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the high-stability chassis for the amphibious excavator comprises a buoyancy tank 3, a track assembly 2 and a base 9, wherein the chassis is connected with a machine body 1 of the excavator through a rotary joint, the base 9 is fixed on the rotary joint, and two support shafts are symmetrically arranged on the base 9; the two buoyancy tanks 3 are symmetrically arranged on two sides of the base 9, and the support shafts are inserted in the buoyancy tanks 3 to play a role in fixing; the crawler belt assembly 2 comprises a crawler belt which is sleeved outside the buoyancy tank 3.
As shown in fig. 3, the floating box further comprises two movable supports 7, longitudinal supports 6 and transverse supports 11, wherein the two movable supports 7 are positioned between the two floating boxes 3 and symmetrically arranged by taking a rotary joint as a center; one end of the movable support 7 is hinged with the bottom of the base 9, the other end of the movable support is fixedly connected with a cross brace 11, a cylinder barrel of the first hydraulic oil cylinder 8 is hinged with the top of the base 9, and a piston rod is hinged in the middle of the movable support 7. The two propellers 12 are symmetrically arranged on the lower surface of the cross support 11.
As shown in fig. 4, two ends of the cross brace 11 are hinged with two longitudinal braces 6, the middle part of each longitudinal brace 6 is hinged with the end part of the cross brace 11, two second hydraulic cylinders 10 are installed on the cross brace 11, the cylinder barrel is hinged on the cross brace 11, and the piston rod is hinged with the top ends of the longitudinal braces 6.
An extension rod 4 is arranged in the longitudinal support 6, the extension rod 4 can extend out of and retract from the longitudinal support 6, the extension rod 4 is connected with a bottom foot 5, and the angle between the bottom foot 5 and the extension rod 4 can be adjusted; the bottom foot 5 is disc-shaped, and the normal direction of the lower surface is always vertical to the ground when the device works.
In one example, the movable support 7 has two hinge points at the bottom and the top of the base 9, and the two hydraulic cylinders are symmetrically arranged.
In one example, the longitudinal support 6 is a square tube, a third hydraulic oil cylinder is installed inside the longitudinal support, and a piston rod of the third hydraulic oil cylinder is connected with the extension rod 4.
In one example, the foot 5 is removably connected to the extension pole 4, and the foot 5 is removed when the extension pole 4 is collapsed and the side rail 6 is folded.
The working principle of the utility model is as follows:
the amphibious excavator can dig, level, desilt, drill, smash and plane on land and water, and overcome the defects that the existing common land mechanical equipment cannot carry out water surface construction, the design technology of a common boat type excavator is lagged, the structure is unreasonable, the function is single, the heavy buoyancy is low, a stable device is not arranged, the construction operation is difficult, the deepwater operation is difficult, the construction effect is poor, the safe energy-saving rate is low, and the like. The amphibious efficient excavator is driven to a land or water surface construction site, and if land construction is carried out, the amphibious efficient excavator is operated in a driving control room according to the operation mode of a common land excavator, and efficient excavation can be carried out. If the excavating and dredging construction of the common shallow water surface, the ditch and the like is carried out, the switch of the floating wheel is opened in the driving control room, the machine body 1 is supported by the buoyancy of the floating box 3, and the construction can be carried out by using the operation mode of the common excavator. If the deep water area construction can be carried out, the longitudinal support 6 can be adjusted to a proper angle by controlling a hydraulic switch of the first hydraulic oil cylinder 8 and a hydraulic switch of the second hydraulic oil cylinder 10 in the driving control chamber. Experiments prove that compared with a vertical support, the splayed support mode with angles has stronger shearing resistance and higher stability. Through the deep long rod and the bottom foot 5, the bottom foot 5 can be contacted with the water bottom, and the projects of dredging channels and ditches, dividing lakes, reinforcing embankments, developing mudflats and the like are facilitated.
In conclusion, the utility model is suitable for various excavators, has higher stability, small occupied space and small occupied space, and avoids the obstruction to the travel of the excavator.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.
Claims (5)
1. A high-stability chassis for an amphibious excavator comprises a buoyancy tank (3), a track assembly (2), a base (9) and a propeller (12), wherein the chassis is connected with an excavator body (1) of the excavator through a rotary joint, the base (9) is fixed on the rotary joint, and two support shafts are symmetrically arranged on the base (9); the two buoyancy tanks (3) are symmetrically arranged on two sides of the base (9), and the support shafts are inserted in the buoyancy tanks (3) to play a role in fixing; the crawler component (2) comprises a crawler which is sleeved outside the buoyancy tank (3), the propeller (12) is arranged behind the base (9),
the method is characterized in that: the floating box is characterized by further comprising two movable supports (7), longitudinal supports (6) and transverse supports (11), wherein the two movable supports (7) are positioned between the two floating boxes (3) and symmetrically arranged by taking the rotary joint as a center; one end of the movable bracket (7) is hinged with the bottom of the base (9), the other end is fixedly connected with a cross brace (11), a cylinder barrel of the first hydraulic oil cylinder (8) is hinged with the top of the base (9), a piston rod is hinged with the middle part of the movable bracket (7),
two ends of the transverse support (11) are hinged with two longitudinal supports (6), the middle part of each longitudinal support (6) is hinged with the end part of the transverse support (11), two second hydraulic cylinders (10) are installed on the transverse support (11), the cylinder barrels are hinged on the transverse support (11), piston rods are hinged with the top ends of the longitudinal supports (6),
an extension rod (4) is installed inside the longitudinal support (6), the extension rod (4) can extend out of and contract from the longitudinal support (6), a footing (5) is connected with the extension rod (4), and the angle between the footing (5) and the extension rod (4) can be adjusted; the bottom foot (5) is disc-shaped, and the normal direction of the lower surface is always vertical to the ground when the device works.
2. A high stability chassis for an amphibious excavator as claimed in claim 1 wherein: two hinged points are respectively arranged at the bottom and the top of the movable support (7) and the base (9), and the number of the hydraulic oil cylinders is two and the two hydraulic oil cylinders are symmetrically arranged.
3. A high stability chassis for an amphibious excavator as claimed in claim 1 wherein: the longitudinal support (6) is a square tube, a third hydraulic oil cylinder is arranged in the longitudinal support, and a piston rod of the third hydraulic oil cylinder is connected with the extension rod (4).
4. A high stability chassis for an amphibious excavator as claimed in claim 1 wherein: footing (5) detachably is connected with extension rod (4), and footing (5) are demolishd when extension rod (4) shrink, indulge and prop (6) and fold.
5. A high stability chassis for an amphibious excavator as claimed in claim 1 wherein: the two propellers (12) are symmetrically arranged on the lower surface of the cross support (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122226475.0U CN215630303U (en) | 2021-09-15 | 2021-09-15 | High-stability chassis for amphibious excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122226475.0U CN215630303U (en) | 2021-09-15 | 2021-09-15 | High-stability chassis for amphibious excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215630303U true CN215630303U (en) | 2022-01-25 |
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ID=79916255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122226475.0U Active CN215630303U (en) | 2021-09-15 | 2021-09-15 | High-stability chassis for amphibious excavator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215630303U (en) |
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2021
- 2021-09-15 CN CN202122226475.0U patent/CN215630303U/en active Active
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