TW202225006A - Amphibious excavator worm wheel chassis comprising a main body, which comprises a hydraulic arm, a rotating unit, and power module, and a spiral chassis - Google Patents

Abstract

An amphibious excavator worm wheel chassis comprises a main body, which comprises a hydraulic arm, a rotating unit, and power module, the power module driving the hydraulic arm and the rotating unit, the rotating unit being arranged on a bottom end of the main body in order to rotate the main body on a horizontal surface; and a spiral chassis which comprises a frame and two spiral transmission units. The frame is combined with the rotating unit on the bottom end of the main body and extends downward. The front and rear ends of each spiral transmission units is rotatably connected to the front and rear sides of a bottom end of the frame, respectively. Each spiral transmission unit is provided with an external thread portion and a floating space. The rotation directions of the external thread portions are opposite to each other. Each spiral transmission unit is driven by the power module. The present invention uses the floating space of each of the spiral transmission units to prevent being trapped in mud with high water content, and makes use of the rotation of each of the spiral transmission units to move and change direction in order to carry out operations in mud in which a conventional caterpillar crawler excavator cannot move.

Description

Amphibious excavator worm wheel chassis

The invention relates to a mobile excavator, in particular to a worm-gear chassis of an amphibious excavator that can move in swamps or mud.

In recent years, the probability of extreme weather has increased significantly, and the importance of waterproofing and flood control has become more and more important. Various flood control channels and drainage ditches are being built. Crushed stone and garbage, etc., if not removed, will affect the efficiency of flood discharge from the flood control road. However, the flood control road is mostly submerged in water. If the familiar crawler hand is used for excavation, the crawler is easy to sink into the mud with high water content, which makes the crawler hand unable to move smoothly; or the gravel may The gears used to drive the tracks get stuck as the tracks move, making it inconvenient for conventional trackers to use in muddy or swampy terrain.

In view of this, the inventors of the present invention have devoted themselves to research and design, hoping to provide a device that can operate in mud or swamps, which is the motivation for the invention to be developed.

The main purpose of the worm-gear chassis of the amphibious excavator of the present invention is to provide a worm-gear chassis of the amphibious excavator that can operate in the mud or swamp, and the screw drive unit with buoyancy space enables the device to be placed on the mud or swamp. Without sinking, it can smoothly perform excavation work in terrain that is prone to sinking.

The worm-gear chassis of the amphibious excavator of the present invention includes a main body, which includes a hydraulic arm, a rotating unit and a power module. The power module drives the hydraulic arm and the rotating unit. Rotate on the horizontal plane; and a screw chassis, which includes a frame and two screw transmission units, the frame is combined with the rotation unit at the bottom end of the main body and extends downward, and each screw transmission unit is rotatably combined with the two bottom ends of the frame. The front and rear ends of each screw transmission unit are respectively rotatably combined with the front and rear ends of the left or right side of the frame. Each screw transmission unit has an external thread portion and a buoyancy space respectively, and the rotation directions of the external thread portions are set relative to each other. , each screw drive unit is driven by a power module.

The present invention provides buoyancy in mud or swamp terrain through the buoyancy space contained in each screw drive unit, so that the present invention will not sink into mud or swamp terrain like conventional crawler machines, and there is no need to worry about foreign objects getting stuck on the crawler.

Since the rotation directions of the external thread parts are set oppositely, when the two screw transmission units rotate toward the inside or outside of the screw chassis at the same time, the lateral power will cancel each other out, so that the present invention can move forward or backward in a straight line; The speed and direction of the screw drive unit allow the invention to freely turn without restriction.

The hydraulic arm can be connected to a bucket to excavate the silt in the floodway. The power module can include a diesel engine and at least one hydraulic pump, and the hydraulic pump can transmit hydraulic power to the hydraulic arm, the rotating unit and each screw transmission unit. Each helical transmission unit can respectively include at least one helical rotation element in the buoyancy space, each helical rotation element rotates each helical transmission unit, each helical rotation element is driven by a power module, and each helical rotation element can be driven by hydraulic pressure. The skeleton can be formed by combining hollow pipes, which reduces the weight of the spiral chassis and makes the present invention less likely to sink into mud or swampy terrain.

For further understanding of the features, characteristics and technical content of the present invention, please refer to the following detailed description of the present invention.

Please refer to the first to third figures, which reveal the drawings of the embodiments of the present invention. The worm-gear chassis of the amphibious excavator of the present invention includes a main body 1, which includes a hydraulic arm 10, a rotating unit 12 and a power mold Group 11, the power module 11 drives the hydraulic arm 10 and the rotating unit 12. The rotating unit 12 is arranged at the bottom end of the main body 1 to make the main body rotate on a horizontal plane. In this embodiment, the hydraulic arm 10 is connected to a bucket 101, and the hydraulic arm 10 and the The bucket 101 enables the present invention to perform digging mud or other operations in the floodway; and a screw chassis 2, which includes a frame 20 and two screw transmission units 21, the frame 20 is combined with the rotating unit 12 at the bottom end of the main body 1 And extending downward, the rotating unit 12 is driven by the power module 11, each screw transmission unit 21 is rotatably coupled to both sides of the bottom end of the frame 20, and the front and rear ends of each screw transmission unit 21 are respectively rotatably coupled to the frame 20 At the front and rear ends of the left side or the right side, each screw transmission unit 21 has an external thread portion 211 and a buoyancy space 212 respectively. The rotation directions of the external thread portions 211 are oppositely arranged, and each screw transmission unit 21 is driven by the power module 11 In this embodiment, each screw transmission unit 21 is a hollow cylinder with conical ends, so there is a buoyancy space 212 inside.

In this embodiment, the power module 11 includes a diesel engine (not shown) and at least one hydraulic pump (not shown), the diesel engine (not shown) can drive a hydraulic pump (not shown), and the hydraulic pump (not shown) can be used It is used to deliver hydraulic power to drive other parts (for example, the hydraulic arm 10, the rotating unit 12 and the screw rotating elements 213 inside the screw transmission units 21 described later); it is located in front of the hydraulic arm 10 when looking at this embodiment, the left-hand side The outer thread portion 211 of the screw transmission unit 21 extends backward in a counterclockwise direction, and the outer thread portion 211 of the right-hand screw transmission unit 21 extends backward in a clockwise direction. Each screw transmission unit 21 can respectively include at least one screw rotation element 213 within the buoyancy space 212. In this embodiment, each screw transmission unit 21 has a screw rotation element 213 at the front and rear ends respectively. When the unit 21 rotates, each helical rotation element 213 is driven by the power module 11 , and in this embodiment, each helical rotation element 213 may be hydraulically driven.

In the fourth figure, it can be seen that the present invention provides buoyancy in mud or swamp and other stagnant mud terrain A by means of the buoyancy spaces 212 included in each screw drive unit 21, so that the present invention is not like conventional crawler implements. If you are caught in the muddy terrain A, you don't have to worry that there may be foreign objects in the muddy terrain A that may block the crawler and cause the crawler to fail. Then use the hydraulic arm 10 and the bucket 101 of the present invention to excavate, and the mud and other objects can be removed smoothly. 12 allows the present invention to rotate the main body 1 to perform excavation work in all directions around it. The skeleton 20 can be formed by combining hollow pipes, which reduces the weight of the spiral chassis 2 and makes the present invention less likely to fall into the terrain A of stagnant water and mud.

Each screw transmission unit 21 will exert external force with each external thread portion 211 when rotating, so each screw transmission unit 21 will generate longitudinal and lateral driving force at the same time when rotating; since the rotation direction of each external thread portion 211 is relative to each other. When the two screw transmission units 21 rotate toward the inner or outer side of the screw chassis 2 at the same time, the lateral driving forces will cancel each other, so that the present invention can move forward or backward in a straight line; adjust the rotation of each screw transmission unit 21 Speed and direction allow the present invention to steer freely without restriction.

The relationship between the moving direction of the embodiment of the present invention and the rotation direction of each screw transmission unit 21 can be seen in the fifth to the twelfth figures; in the fifth and sixth figures, the two screw transmission units 21 are facing the screw at the same time. When the inner or outer side of the chassis 2 rotates at a constant speed, that is, when the rotation directions of the screw transmission units 21 are different, since the rotation directions of the external thread parts 211 are set opposite to each other, the lateral power will cancel each other, so that the The invention can advance or retreat in a straight line; and in the seventh and eighth figures, the two screw transmission units 21 rotate at the same speed in the same direction at the same time, so that the forward or backward power cancels each other out, so that the invention can move laterally; In the ninth and tenth figures, when the rotation speed of the screw drive unit 21 on one side to the inside of the screw chassis 2 is greater than that of the other side, the lateral force generated by the screw drive unit 21 with a high rotation speed is larger. It will move forward on the side with the slower speed, so that the present invention can move forward and turn. The screw drive unit 21 with the slow speed can be used to adjust the turning route, so that the present invention can correspond to curves of various angles; in Fig. 11, In the twelfth figure, when the rotation speed of the screw drive unit 21 on one side to the outside of the screw chassis 2 is greater than the rotation speed of the other side, the present invention will tend to the side with a faster rotation speed to retreat and turn, and a screw with a slower rotation speed can also be used The transmission unit 21 adjusts the course of the turn.

However, the above descriptions are only preferred embodiments of the present invention, and should not be used to limit the scope of implementation of the present invention. Any changes and modifications that can be obviously made by those who are accustomed to the industry should be regarded as not departing from the essence of the present invention.

1: Ontology 10: Hydraulic arm 101: Bucket 11: Power Module 12: Rotary unit 2: Spiral chassis 20: Skeleton 21: Screw drive unit 211: External thread part 212: Buoyancy space 213: Spiral Rotary Element A: Water and mud terrain

The first figure is a perspective view of the present invention. The second picture is the bottom view of the first picture. The third picture is the front view of the first picture. The fourth figure is a schematic diagram of the use of the present invention. The fifth figure is a schematic diagram (1) of the moving method of the present invention. The sixth figure is a schematic diagram (2) of the moving method of the present invention. The seventh figure is a schematic diagram (3) of the moving method of the present invention. Figure 8 is a schematic diagram (4) of the moving method of the present invention. The ninth figure is a schematic diagram (5) of the moving method of the present invention. Figure 10 is a schematic diagram (6) of the moving method of the present invention. Figure 11 is a schematic diagram (7) of the moving method of the present invention. Figure 12 is a schematic diagram (8) of the moving method of the present invention.

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1: Ontology

10: Hydraulic arm

101: Bucket

11: Power Module

2: Spiral chassis

20: Skeleton

21: Screw drive unit

211: External thread part

212: Buoyancy space

Claims (5)

An amphibious excavator worm-gear chassis, comprising: a body, which includes a hydraulic arm, a rotating unit and a power module, the power module drives the hydraulic arm and the rotating unit, and the rotating unit is arranged at the bottom end of the body to rotate the body on a horizontal plane; and A screw chassis, which includes a frame and two screw transmission units, the frame is combined with the rotation unit at the bottom end of the main body and extends downward, and the screw transmission units are respectively rotatably combined on both sides of the bottom end of the frame , the front and rear ends of each screw transmission unit are respectively rotatably combined with the front and rear ends of the frame, each screw transmission unit has an external thread part and a buoyancy space respectively, and the rotation direction of each external thread part is set relative to each other , each screw transmission unit is driven by the power module. The worm-gear chassis of an amphibious excavator as claimed in claim 1, wherein the hydraulic arm is connected to a bucket. The worm-gear chassis of an amphibious excavator as claimed in claim 1, wherein the power module comprises a diesel engine and at least one hydraulic pump. The worm-gear chassis of the amphibious excavator as claimed in claim 1, wherein the frame is formed by combining hollow pipes. The worm-gear chassis of an amphibious excavator as claimed in claim 1, wherein each of the screw transmission units respectively includes at least one screw rotation element in the buoyancy space, and each of the screw rotation elements rotates each of the screw transmission units, and each of the screw transmission units rotates. The rotating element is driven by the power module.

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