An extended-range wheeled operating machine

Abstract

The present invention proposes an extended-range wheeled work machine, which has a large excavation depth and a wide excavation range, and can effectively improve the operating efficiency of the entire machine. The work machine includes a body, on which is provided a chassis that can rotate in a horizontal plane, and a rotating arm that rotates synchronously with the chassis and extends outward is fixed to the chassis; an extended-range bracket, one end of which is hinged to the end of the rotating arm, and the other end is connected to the rotating arm by an extended-range oil cylinder; a first boom, one end of which is also hinged to the end of the rotating arm and coincides with the hinge point of the extended-range bracket, and a first boom oil cylinder is connected between the first boom and the extended-range bracket; a second boom, one end of which is hinged to the end of the first boom, and a second boom oil cylinder is connected between the second boom and the first boom; a bucket, which is hinged to the end of the second boom, and a bucket-collecting oil cylinder is connected between the bucket and the second boom. The present invention has a simple structure, is easy to use, can increase the operating range and depth of excavation, and has good practicality.

Description

Technical Field

[0001] The present invention relates to the technical field of engineering machinery, and in particular to an extended-range wheeled working machine which has a simple structure, is easy to use, and has a large working depth. Background Art

[0002] Construction machinery is an important component of my country's equipment industry. Generally speaking, it encompasses all the machinery and equipment necessary for earthwork, road construction and maintenance, mobile lifting and loading and unloading operations, and the comprehensive mechanized construction required for various construction projects.

[0003] Existing construction machinery has a wide variety of operational functions and structural forms. The most common types include excavators, earthmoving machines, construction cranes, and compaction machines, playing an irreplaceable role in the development of modern industry. For the most common excavators, digging depth and operating range are key indicators that directly determine their operating efficiency. Therefore, there is an urgent need for machines that have both a large digging depth and a wide digging range. Summary of the Invention

[0004] The present invention provides an extended-range wheeled working machine, which has a larger digging depth and a wider digging range, and can effectively improve the working efficiency of the entire machine.

[0005] The technical solution of the present invention is achieved as follows: an extended-range wheeled working machine comprises:

[0006] A machine body, wherein the machine body is provided with a chassis capable of rotating in a horizontal plane, a rotating arm is fixed to the chassis and rotates synchronously therewith, and the rotating arm extends outward;

[0007] An extended-range bracket, one end of which is hinged to the end of the rotating arm, and an extended-range cylinder is connected between the other end of the extended-range bracket and the rotating arm for driving the extended-range bracket to move in a vertical plane;

[0008] a first boom, one end of which is also hinged to the end of the rotating arm and coincides with the hinge point of the range-extending bracket, and a first boom cylinder is connected between the first boom and the range-extending bracket for driving the first boom to move in a vertical plane with the hinge point as the center;

[0009] a second boom, one end of the second boom being hinged to the end of the first boom, and a second boom cylinder being connected between the second boom and the first boom for driving the second boom to move in a vertical plane;

[0010] The bucket is hinged to the end of the second arm, and a bucket cylinder for driving the bucket to move is connected between the bucket and the second arm.

[0011] As a preferred embodiment, the range extender bracket has an arc structure, and the distance between the connection point of the first boom cylinder and the range extender bracket and the rotation center of the first boom is greater than the distance between the connection point of the first boom cylinder and the range extender bracket and the rotation center of the first boom.

[0012] As a preferred embodiment, an arc-shaped connecting rod is hinged on the second boom, and a linear connecting rod is hinged on the bucket. The ends of the arc-shaped connecting rod and the linear connecting rod are hinged to one end of the bucket cylinder, and the other end of the bucket cylinder is hinged to the second boom.

[0013] As a preferred embodiment, the first boom oil cylinder and the second boom oil cylinder are respectively located on both sides of the first boom, and the second boom oil cylinder and the bucket oil cylinder are respectively located on both sides of the second boom.

[0014] As a preferred embodiment, the machine body is further provided with a cab that can rotate 180° forward and backward, and the cab is located on one side of the chassis, and the chassis can drive the rotating arm to rotate 270° in the horizontal plane.

[0015] As a preferred embodiment, a rear support is further suspended at the rear end of the machine body, and the rear support is used to support the ground or install accessories;

[0016] The rear support is also provided with an output shaft connected to a torque converter for outputting power, and the output shaft is used to be connected to accessories on the rear support.

[0017] After adopting the above technical solution, the beneficial effect of the present invention is as follows: the extended-range wheeled work machine of the present invention uses the chassis to drive the rotating arm to rotate in the horizontal plane, and then synchronously drives a series of other components installed on the rotating arm to rotate, thereby achieving operations within a larger range. Compared with general excavation machinery, the key feature of the present invention is the addition of an extended-range bracket. When the first and second arms drive the bucket to the maximum excavation depth, the operator can continue to operate the extended-range cylinder, and use the combined action of the extended-range cylinder and the extended-range bracket to further increase the excavation depth of the bucket, thereby effectively improving the operating efficiency of the entire machine. Therefore, compared with the existing machinery, the working machine of the present invention not only increases the excavation depth, but also increases the range of operation, and has excellent practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 A schematic diagram of state 1 of an embodiment of the present invention;

[0020] Figure 2 This is a schematic diagram of state 2;

[0021] Figure 3 This is a schematic diagram of state three;

[0022] Figure 4 is a schematic top view of this embodiment;

[0023] In the figure: 1-machine body; 2-chassis; 3-rotating arm; 4-range extension bracket; 5-range extension cylinder; 6-first boom; 7-first boom cylinder; 8-second boom; 9-second boom cylinder; 10-bucket; 11-first hinge point; 12-second hinge point; 13-third hinge point; 14-fourth hinge point; 15-fifth hinge point; 16-sixth hinge point; 17-seventh hinge point; 18-eighth hinge point; 19-ninth hinge point; 20-tenth hinge point; 21-bucket cylinder; 22-arc connecting rod; 23-straight connecting rod; 24-cab; 25-rear support; 26-torque converter; 27-output shaft. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0025] like Figure 1 、 Figure 2 and Figure 3 As shown together, there are three different state schematic diagrams of the extended-range wheeled work machine of the present invention. This embodiment first includes a body 1, which adopts a four-wheel drive form with a wheel structure. It not only has a low production cost, but also has low fuel consumption and strong maneuverability. It can be used in complex road conditions and working environments such as highways, and causes less damage to the ground.

[0026] A chassis 2 that can rotate in a horizontal plane is provided on the body 1, and a cab 24 is also provided on one side of the chassis 2. The rotation angle of the chassis 2 in the horizontal plane is controlled at 270°, which can maximize the operating range. The cab 24 can achieve 180° front and rear rotation, and the seat and steering wheel inside the cab 24 can also rotate 180° synchronously, thereby facilitating the driver's operation.

[0027] A rotating arm 3 is fixed to the chassis 2, rotating synchronously with it. This arm 3 is roughly L-shaped and projects outward. An arc-shaped range-extending support 4 is hingedly connected to the end of the rotating arm 3. One end of the range-extending support 4 is hingedly connected to the end of the rotating arm 3 via a fourth hinge point 14. The other end of the range-extending support 4 is also hingedly connected to a range-extending cylinder 5 via a second hinge point 12. The end of the range-extending cylinder 5 is hingedly connected to the rotating arm 3 via a first hinge point 11. This structure allows the extension and retraction of the range-extending cylinder 5 to control the rotation of the range-extending support 4 about the fourth hinge point 14.

[0028] The first boom 6 is also hingedly connected at the fourth hinge point 14, meaning that the center of rotation of the range extender 4 and the first boom 6 is the same. The front end of the first boom 6 is hingedly connected to the first boom cylinder 7 via the fifth hinge point 15. The other end of the first boom cylinder 7 is hingedly connected to the range extender 4 via the third hinge point 13. Therefore, the vertical movement of the first boom 6 can be controlled by the range extender cylinder 5 and the first boom cylinder 7, further increasing its operating depth. In the prior art, control is typically achieved through only one first boom cylinder 7. In this embodiment, during operation, the first boom cylinder 7 is first used to control the movement of the first boom 6. If this does not meet the operating requirements, the range extender cylinder 5 is used for auxiliary control. This is also the biggest difference between the present invention and the prior art. With the assistance of the range extender cylinder 5 and the range extender 4, the operating depth of the present invention can reach over 3 meters, a significant improvement over the prior art. Moreover, the distance between the connection point of the first boom cylinder 7 and the range extender bracket 4 and the rotation center of the first boom 6 is greater than the distance between the connection point of the first boom cylinder 7 and the range extender bracket 4 and the rotation center of the first boom 6, that is, the distance between the third hinge point 13 and the fourth hinge point 14 is greater than the distance between the third hinge point 13 and the second hinge point 12. This structure enables the range extender cylinder 5 to extend and retract a smaller distance, thereby controlling a larger movement of the first boom 6.

[0029] The front end of the first boom 6 is also hingedly connected to a second boom 8 via a sixth hinge point 16. The middle portion of the second boom 8 is hingedly connected to a second boom cylinder 9 via an eighth hinge point 18. The other end of the second boom cylinder 9 is hingedly connected to the first boom 6 via a seventh hinge point 17. The first boom cylinder 7 and the second boom cylinder 9 are respectively located on either side of the first boom 6. The movement of the second boom 8 can be controlled by extending and retracting the second boom cylinder 9.

[0030] A bucket 10 is also hingedly connected to the front end of the second boom 8 through the tenth hinge point 20, and a mechanism for controlling the movement of the bucket 10 and the second boom 8 is also connected, which specifically includes a bucket cylinder 21, an arcuate connecting rod 22, and a linear connecting rod 23. Among them, one end of the bucket cylinder 21 is hingedly connected to the middle part of the second boom 8 through the ninth hinge point 19, and the other end of the bucket cylinder 21 is hingedly connected to one end of the arcuate connecting rod 22 and the linear connecting rod 23 at the same time. The other end of the arcuate connecting rod 22 is hingedly connected to the second boom 8, and the other end of the linear connecting rod 23 is hingedly connected to the bucket 10. Moreover, the second boom cylinder 9 and the bucket cylinder 21 are respectively located on both sides of the second boom 8. Through this structure, the corresponding movement of the bucket 10 can be achieved.

[0031] Finally, a rear support 25 is suspended at the rear end of the machine body 1. This rear support 25 utilizes a three-point suspension structure. Its primary function is to support the machine on the ground during excavation operations, stabilizing the machine body and preventing shaking. Furthermore, this embodiment allows for the installation of other attachments (such as a tiller or sowing mechanism). These attachments are then connected to an output shaft 27 provided at the rear support 25. This output shaft 27 is connected to a torque converter 26 at the front end, enabling power to be transmitted from the torque converter 26 via the output shaft 27 to the attachments for corresponding operations, thereby increasing the overall functionality of the machine.

[0032] Overall, the extended-range wheeled operating machine of the present invention has a simple structure and is easy to use. Through the corresponding structure, it can increase the operating range and depth of excavation. The maximum operating radius can reach 7 meters and the maximum excavation depth can reach 3.2 meters. Compared with the existing technology, it has made great progress and has good practicality.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An extended-range wheeled working machine, characterized in that: include: A machine body (1), wherein the machine body (1) is provided with a chassis (2) capable of rotating in a horizontal plane, a rotating arm (3) is fixed to the chassis (2) and rotates synchronously therewith, and the rotating arm (3) protrudes outward; An extended-range bracket (4), one end of the extended-range bracket (4) being hinged to the end of the rotating arm (3), and an extended-range oil cylinder (5) for driving the extended-range bracket (4) to move in a vertical plane is connected between the other end of the extended-range bracket (4) and the rotating arm (3); a first boom (6), one end of which is also hinged to the end of the rotating arm (3) and coincides with the hinge point of the range-extending bracket (4); a first boom oil cylinder (7) for driving the first boom (6) to move in a vertical plane with the hinge point as the center is connected between the first boom (6) and the range-extending bracket (4); a second boom (8), one end of the second boom (8) being hinged to the end of the first boom (6), and a second boom oil cylinder (9) for driving the second boom (8) to move in a vertical plane being connected between the second boom (8) and the first boom (6); A bucket (10), the bucket (10) being hinged to the end of the second arm (8), and a bucket cylinder (21) for driving the bucket (10) to move is connected between the bucket (10) and the second arm (8); The range extending bracket (4) has an arc-shaped structure, and the distance between the connection point between the first boom oil cylinder (7) and the range extending bracket (4) and the rotation center of the first boom (6) is greater than the distance between the connection point between the first boom oil cylinder (7) and the range extending bracket (4) and the range extending cylinder (5); An arc-shaped connecting rod (22) is hinged on the second arm (8), and a linear connecting rod (23) is hinged on the bucket (10). The ends of the arc-shaped connecting rod (22) and the linear connecting rod (23) are hinged to one end of the bucket cylinder (21), and the other end of the bucket cylinder (21) is hinged to the second arm (8); The first boom oil cylinder (7) and the second boom oil cylinder (9) are respectively located on both sides of the first boom (6); the second boom oil cylinder (9) and the bucket oil cylinder (21) are respectively located on both sides of the second boom (8); A rear support (25) is also suspended at the rear end of the machine body (1), and the rear support (25) is used to support the ground or install accessories; The rear support (25) is further provided with an output shaft (27) connected to a torque converter (26) for outputting power, and the output shaft (27) is used to connect to an attachment on the rear support (25).

2. The extended-range wheeled working machine according to claim 1, wherein: The machine body (1) is also provided with a cab (24) capable of rotating 180° forward and backward. The cab (24) is located on one side of the chassis (2). The chassis (2) is capable of driving the rotating arm (3) to rotate 270° in a horizontal plane.

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