Excavator bucket connecting rod
By designing an integrated excavator bucket link, the problems of strength and automatic lubrication are solved, automatic lubrication is achieved, and the service life and efficiency of the connecting rod are improved.
Patent Information
- Application Number
- CN202422426626.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-10-09
AI Technical Summary
The split structure of the existing excavator bucket connecting rod affects strength and lacks an automatic lubrication structure, which requires manual and regular lubricating oil.
An integrated excavator bucket linkage is designed, including an oil supply mechanism and a lubricating oil tank. The lubricating oil is automatically sent to the connection between the connecting rod and the bucket through the pump body and the connector to achieve automatic lubrication.
The strength of the connecting rod is improved without manual lubricating oil filling, which improves the use effect.
Smart Images

Figure CN223151245U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of excavators, in particular to a bucket connecting rod of an excavator. Background Technique
[0002] The bucket mechanism of an excavator generally includes four components: a bucket rod, a bucket, a swing arm, and a connecting rod, which are sequentially hinged to form an unstable quadrilateral structure for deformation by a cylinder, and finally realize the rotation and use action of the bucket. One end of the connecting rod is hinged to the bucket, and the other end is hinged to the swing arm and the cylinder shaft, and finally used to rotate and control the bucket.
[0003] The prior art has the following problems: In the "a bucket connecting rod of an excavator convenient to use" with the publication number of CN217923795U in the prior art, "it includes an upper connecting block, a lower connecting block, and a connecting plate. The upper connecting block and the lower connecting block are fixedly connected through the connecting plate. A circular hole is opened inside the connecting plate. A threaded ring is rotatably connected to the surface of the connecting plate. A screw rod is threadedly connected inside the threaded ring. A convex block is arranged on the outer side of the threaded ring. The convex block is connected to the connecting plate through a bolt for strengthening the connection between the two connecting plates. An expansion cylinder sleeve seat is arranged inside the upper connecting block. There are two upper connecting blocks, two lower connecting blocks, and two connecting plates. A connecting rod is slidably installed inside the connecting plate. A fixed disk is installed inside the lower connecting block. A plug rod is installed inside the fixed disk. A plurality of locking blocks are arranged on the surface of the plug rod";
[0004] In the above device, the position of the connecting plate on the screw rod can be adjusted by rotating the threaded ring, so that the device can be adjusted according to the different widths of the bucket. However, this method will reduce the strength of the bucket connecting rod of the excavator when in use, thus affecting its service life. At the same time, there is no automatic lubrication structure at the installation hole for the connection between the connecting rod and the bucket in the above device, so it is necessary to manually add lubricating oil regularly. Content of the Utility Model
[0005] Aiming at the deficiencies of the prior art, the utility model provides a bucket connecting rod of an excavator, which solves the problems that the bucket connecting rod of the existing excavator belongs to a split structure, thus affecting the strength of the connecting rod and the bucket connecting rod does not have an automatic lubrication structure.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A bucket connecting rod of an excavator, including a device main body. A first installation hole is arranged inside the upper part of the device main body. A second installation hole is arranged inside the lower part of the device main body. An installation groove is arranged on the surface of the device main body. A through groove is arranged on the lower surface of the device main body;
[0007] An oil supply mechanism is arranged inside the installation groove. An oil inlet mechanism is arranged inside the first installation hole. A second oil outlet is arranged inside the second installation hole. A connection hole is arranged inside the oil supply mechanism;
[0008] The fuel supply mechanism includes a lubricating oil tank, a pump body, a connector, a first branch pipe, and a second branch pipe. The pump body is fixedly installed on the surface of the lubricating oil tank. The first branch pipe is fixedly connected above the connector, and the second branch pipe is fixedly connected to one side of the connector.
[0009] As a preferred technical solution of the present invention, the oil inlet mechanism includes an oil inlet, a cavity, and a first oil outlet. The cavity is fixedly connected to one side of the oil inlet, and the first oil outlet is fixedly connected to one side of the cavity.
[0010] As a preferred technical solution of the present invention, the through groove is located in the middle below the surface of the device body, and the second mounting hole penetrates the device body and is fixedly connected to the through groove.
[0011] As a preferred technical solution of the present invention, the oil inlet mechanism is fixedly installed inside the upper part of the device body, and the oil inlet mechanism is fixedly connected between the first mounting hole and the fuel supply mechanism.
[0012] As a preferred technical solution of the present invention, the second oil outlet is located inside the second mounting hole, and the second oil outlet is fixedly connected to the fuel supply mechanism.
[0013] As a preferred technical solution of the present invention, the lubricating oil tank is fixedly installed inside the installation groove. The pump body is fixedly connected to the connector. Connecting holes are provided on both the side surface and the upper surface of the connector, and both the first branch pipe and the second branch pipe are fixedly connected to the connecting holes.
[0014] As a preferred technical solution of the present invention, the oil inlet is fixedly connected between the fuel supply mechanism and the cavity. The first oil outlets are horizontally arranged on one side of the cavity, and the first oil outlets are fixedly connected to the first mounting holes.
[0015] Compared with the prior art, the present invention provides a connecting rod for an excavator bucket, which has the following beneficial effects:
[0016] The bucket connecting rod of an excavator can connect the connecting rod with the hydraulic mechanism through the first installation hole opened inside the upper part of the device main body. At the same time, the second installation hole opened through the through groove at the lower part can be connected with the bucket. Since the bucket connecting rod of this device is an integral structure, the strength of the connecting rod can be effectively improved. At the same time, through the oil supply mechanism installed inside the installation groove, under the action of the pump body of the oil supply mechanism, the lubricating oil in the lubricating oil tank can be sent into the connector, and through the action of the connector, the first branch pipe, the second branch pipe and the oil inlet mechanism, it is respectively sent into the inside of the first installation hole and the second installation hole. Therefore, when the bucket connecting rod of this device is in use, it is not necessary to manually add lubricating oil regularly, and lubricating oil can still be added to the connection part of the connecting rod during the use of the connecting rod, thereby improving the use effect of the connecting rod. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 FIG. is a three-dimensional view of the overall installation structure of a bucket connecting rod of an excavator according to the present utility model;
[0018] Figure 2 FIG. is a three-dimensional view of another perspective structure of a bucket connecting rod of an excavator according to the present utility model;
[0019] Figure 3 FIG. is a three-dimensional view of the connector structure of a bucket connecting rod of an excavator according to the present utility model;
[0020] Figure 4 FIG. is an anatomical schematic diagram of the oil inlet mechanism of a bucket connecting rod of an excavator according to the present utility model.
[0021] In the figure: 1, device main body; 2, first installation hole; 3, second installation hole; 4, installation groove; 5, oil supply mechanism; 51, lubricating oil tank; 52, pump body; 53, connector; 54, first branch pipe; 55, second branch pipe; 6, through groove; 7, oil inlet mechanism; 71, oil inlet; 72, cavity; 73, first oil outlet; 8, second oil outlet; 9, connection hole. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0023] Please refer to Figures 1-4, in this implementation: An excavator bucket connecting rod includes a device main body 1. Inside the upper part of the device main body 1, there is a first installation hole 2. Inside the lower part of the device main body 1, there is a second installation hole 3. On the surface of the device main body 1, there is an installation groove 4. On the lower surface of the device main body 1, there is a through groove 6;
[0024] Inside the installation groove 4, there is an oil supply mechanism 5. Inside the first installation hole 2, there is an oil inlet mechanism 7. Inside the second installation hole 3, there is a second oil outlet 8. Inside the oil supply mechanism 5, there is a connection hole 9;
[0025] The oil supply mechanism 5 includes a lubricating oil tank 51, a pump body 52, a connector 53, a first branch pipe 54, and a second branch pipe 55. On the surface of the lubricating oil tank 51, the pump body 52 is fixedly installed. Above the connector 53, the first branch pipe 54 is fixedly connected. On one side of the connector 53, the second branch pipe 55 is fixedly connected.
[0026] Please refer to Figure 2 and Figure 4 , in this embodiment, the oil inlet mechanism 7 includes an oil inlet 71, a cavity 72, and a first oil outlet 73. On one side of the oil inlet 71, the cavity 72 is fixedly connected. On one side of the cavity 72, the first oil outlet 73 is fixedly connected.
[0027] In the above embodiment, under the action of the oil inlet 71, the lubricating oil sent by the oil supply mechanism 5 can enter the inside of the cavity 72, and the first oil outlet 73 installed on one side of the cavity 72 can make the lubricating oil enter the inside of the first installation hole 2.
[0028] Furthermore, the oil inlet 71 is fixedly connected between the oil supply mechanism 5 and the cavity 72. The first oil outlet 73 is horizontally arranged on one side of the cavity 72, and the first oil outlet 73 is fixedly connected to the first installation hole 2.
[0029] Since the first oil outlets 73 are evenly arranged on the surface of the cavity 72, the lubricating oil can be evenly sent to the inside of the first installation hole 2. Therefore, high-efficiency lubrication is achieved at the connection between the hydraulic mechanism and the first installation hole 2 of the connecting rod.
[0030] Please refer to Figure 1 and Figure 2 , in this embodiment, the oil inlet mechanism 7 is fixedly installed inside the upper part of the device main body 1, and the oil inlet mechanism 7 is fixedly connected between the first installation hole 2 and the oil supply mechanism 5.
[0031] In the above embodiment, through the linkage cooperation between the oil inlet mechanism 7 and the oil supply mechanism 5, the lubricating oil can be sent to lubricate the workpiece inside the first installation hole 2. At the same time, through the cooperation between the oil supply mechanism 5 and the second oil outlet 8, the workpiece inside the second installation hole 3 can be lubricated.
[0032] Specifically, the second oil outlet 8 is located inside the second mounting hole 3, and the second oil outlet 8 is fixedly connected to the oil supply mechanism 5.
[0033] Through the second oil outlet 8, the lubricating oil sent by the oil supply mechanism 5 can be injected into the inside of the second mounting hole 3, and the second mounting hole 3 is connected to the bucket of the excavator, so that the workpiece connected by the two can be lubricated.
[0034] Please refer to Figure 1 and Figure 3 In this embodiment, the lubricating oil tank 51 is fixedly installed inside the installation groove 4. The pump body 52 is fixedly connected to the connector 53. Connecting holes 9 are provided on both side surfaces and the upper surface of the connector 53. The first branch pipe 54 and the second branch pipe 55 are both fixedly connected to the connecting holes 9.
[0035] In the above embodiment, the lubricating oil can be stored in the lubricating oil tank 51 and sent to the inside of the first branch pipe 54 and the second branch pipe 55 under the action of the pump body 52 and the connector 53. Under the action of the first branch pipe 54 and the second branch pipe 55, the lubricating oil can be respectively sent to the inside of the first mounting hole 2 and the second mounting hole 3.
[0036] It should be supplemented that the through groove 6 is located in the middle below the surface of the device main body 1. The second mounting hole 3 penetrates the device main body 1 and is fixedly connected to the through groove 6. Through the action of the through groove 6 and the second mounting hole 3, the device main body 1 can be connected to the bucket.
[0037] The working principle and usage process of the present utility model: The operator connects the device main body 1 to the hydraulic mechanism through the first mounting hole 2, and connects the device main body 1 to the bucket through the second mounting hole 3. When the connecting rod is in use, by setting a regular start program for the pump body 52, the pump body 52 sends the lubricating oil in the lubricating oil tank 51 into the inside of the connector 53. Since the connecting holes 9 are provided on the surface of the connector 53, the lubricating oil enters the first branch pipe 54 and the second branch pipe 55 respectively through the action of the connecting holes 9. Through the cooperation of the second branch pipe 55 and the second oil outlet 8, the lubricating oil is sent into the inside of the second mounting hole 3 to lubricate the connection between the connecting rod and the bucket. At the same time, the first branch pipe 54 can send the lubricating oil into the cavity 72 through the oil inlet 71, and through the action of the first oil outlet 73 installed on one side of the cavity 72, it is evenly sent into the inside of the first mounting hole 2 to lubricate the connection between the connecting rod and the hydraulic mechanism.
[0038] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.
Claims
1. An excavator bucket connecting rod, comprising a device main body (1). Inside the upper part of the device main body (1), a first mounting hole (2) is provided. Inside the lower part of the device main body (1), a second mounting hole (3) is provided. On the surface of the device main body (1), a mounting groove (4) is provided. On the lower surface of the device main body (1), a through groove (6) is provided. It is characterized in that: Inside the mounting groove (4), an oil supply mechanism (5) is provided. Inside the first mounting hole (2), an oil inlet mechanism (7) is provided. Inside the second mounting hole (3), a second oil outlet (8) is provided. Inside the oil supply mechanism (5), a connection hole (9) is provided; The oil supply mechanism (5) includes a lubricating oil tank (51), a pump body (52), a connector (53), a first branch pipe (54), and a second branch pipe (55). On the surface of the lubricating oil tank (51), a pump body (52) is fixedly installed. Above the connector (53), a first branch pipe (54) is fixedly connected. On one side of the connector (53), a second branch pipe (55) is fixedly connected.
2. The connecting rod of the excavator bucket according to claim 1, characterized in that: The oil inlet mechanism (7) includes an oil inlet (71), a cavity (72), and a first oil outlet (73). On one side of the oil inlet (71), a cavity (72) is fixedly connected. On one side of the cavity (72), a first oil outlet (73) is fixedly connected.
3. A link of an excavator bucket according to claim 1, characterized in that: The through groove (6) is located in the middle of the lower part of the surface of the device main body (1). The second mounting hole (3) penetrates the device main body (1) and is fixedly connected to the through groove (6).
4. A linkage of an excavator bucket according to claim 1, characterized in that: The oil inlet mechanism (7) is fixedly installed inside the upper part of the device main body (1). The oil inlet mechanism (7) is fixedly connected between the first mounting hole (2) and the oil supply mechanism (5).
5. A linkage of an excavator bucket according to claim 1, wherein: The second oil outlet (8) is located inside the second mounting hole (3). The second oil outlet (8) is fixedly connected to the oil supply mechanism (5).
6. The connecting rod of the excavator bucket according to claim 1, wherein: The lubricating oil tank (51) is fixedly installed inside the mounting groove (4). The pump body (52) is fixedly connected to the connector (53). On the two side surfaces and the upper surface of the connector (53), connection holes (9) are provided. The first branch pipe (54) and the second branch pipe (55) are both fixedly connected to the connection holes (9).
7. The connecting rod of the excavator bucket according to claim 2, characterized in that: The oil inlet (71) is fixedly connected between the oil supply mechanism (5) and the cavity (72). The first oil outlets (73) are horizontally arranged on one side of the cavity (72). The first oil outlets (73) are fixedly connected to the first mounting holes (2).
Citation Information
Patent Citations
Excavator bucket connecting rod convenient to use
CN217923795U