Grease filling device for excavator

By designing a dual-axis movable grease filling device, using motor drive and servo control, mechanized grease filling of the excavator's slewing support is achieved, solving the problems of high labor intensity for operators and grease dripping, and improving efficiency and environmental cleanliness.

CN223388361UActive Publication Date: 2025-09-26SHANZHONG JIANJI CO LTD
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Patent Information

Application Number
CN202422717796.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-09-26
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

During the existing excavator slewing support grease filling process, the operator has high labor intensity and low efficiency, requires the cooperation of multiple people, and grease dripping is difficult to avoid, resulting in inconvenient operation.

Method used

A butter filling device is designed, which includes a symmetrical equipment frame, slide rails, and motor drive. It adopts a dual-axis moving mechanism and servo control to realize mechanized butter filling, and cooperates with a receiving tray to collect dripping butter.

Benefits of technology

It reduces the labor intensity of operators, improves filling efficiency, has a wide range of applicability, avoids butter dripping, and keeps the working environment clean.

✦ Generated by Eureka AI based on patent content.

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Abstract

The grease filling device comprises two symmetrically-arranged equipment frames, sliding rails are arranged on the upper end faces of the equipment frames, a rack is arranged on the upper end face of one of the equipment frames, two symmetrically-arranged moving beams are arranged between the two sliding rails, and the ends of the moving beams are connected with the sliding rails in an inserted mode and matched with the sliding rails in a sliding mode. The two moving beams are connected through a moving plate, a first motor is arranged on the edge of the side, close to the rack, of the moving plate, the output end of the first motor penetrates through the moving plate, the outer side of the first motor is fixedly connected with a transmission gear, the transmission gear is in meshing transmission with the rack, and a filling skylight is formed in the moving plate. Two symmetrically-distributed sliding strips are arranged on the edges of the two sides of the filling skylight respectively, a movable frame is arranged between the two sliding strips in a sliding mode, and the functions that manual oil filling is replaced, the labor intensity is reduced, the oil filling efficiency is improved, the applicability is wide, and residual grease is prevented from dripping are achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of oil filling devices, in particular to a butter filling device for an excavator. Background Art

[0002] In the current engineering machinery industry, when grease is added to the slewing support of different types of excavators, oil drums, oil pumps and cantilever cranes are usually used for grease addition. The width, height, slewing support inner diameter and grease addition amount of different models are different. The more types of models there are, the higher the requirements for operators. The cantilever crane is used for auxiliary work, which is labor-intensive. In addition, when grease is added to the slewing support of excavators above 40T, two people are required to cooperate, which has low work efficiency. After the filling is completed, residual grease is likely to drip during the retrieval of the oil gun, and the site needs to be cleaned up, which is inconvenient to operate.

[0003] Therefore, the inventors wanted to solve the problem of designing a device that can replace manual oiling to reduce labor intensity, improve oiling efficiency, have wide applicability, and avoid dripping of residual butter. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a grease filling device for excavators, which can replace manual oiling to reduce labor intensity, improve oiling efficiency, have a wide range of applicability, and avoid residual butter dripping.

[0005] The technical solution adopted by the device of the utility model is: a butter filling device for an excavator, which includes two symmetrically arranged equipment frames, the upper end surfaces of the equipment frames are provided with slide rails, the upper end surface of one of the equipment frames is provided with a rack, two symmetrically arranged moving beams are provided between the two slide rails, the ends of the moving beams are plugged into and slidably matched with the slide rails, the two moving beams are connected by a moving plate, the moving plate is provided with a first motor at an edge of one side close to the rack, the output end of the first motor passes through the moving plate and is fixedly connected to a transmission gear on the outside, the transmission gear is meshed with the rack for transmission, a filling skylight is provided on the moving plate, two symmetrically distributed sliding bars are respectively provided at the two side edges of the filling skylight, and a moving frame is slidably provided between the two sliding bars. The transmission mechanism that this second motor is connected with this second motor is that the transmission mechanism that this second motor is connected with this second motor is fixed on the transmission plate through the support frame, and this second motor is fixed on the transmission plate through the support frame.

[0006] Furthermore, an electric control box is provided on the side of the equipment frame.

[0007] Furthermore, a threading drag chain is provided on the end surface of the movable plate, and the threading drag chain is provided outside the pipeline of the connecting pipe and the filling oil pump, and the upper end of the threading drag chain is connected to the end of the movable frame by a bolt.

[0008] Furthermore, the height of the upper end surface of the receiving tray is lower than the height of the lower end of the filling head, and the receiving tray is arranged at the lower end of the filling head.

[0009] Furthermore, the depth of the receiving tray is not less than 2 cm.

[0010] Furthermore, the upper end surface of the movable beam is flush with the upper end surface of the movable plate.

[0011] Furthermore, a controller is provided inside the electric control box, and the controller is electrically connected to the first motor, the second motor, the solenoid valve, the feeding oil pump, the filling oil pump, and the steering gear through wires. The controller is also electrically connected to the touch screen through wires.

[0012] Furthermore, a camera is fixedly provided on the side of the solenoid valve via a bracket, and the camera is electrically connected to the controller via a wire.

[0013] The beneficial effects of the utility model device are:

[0014] 1. The utility model adopts a filling mechanism that can move biaxially in the horizontal direction to fill butter. The filling process is mechanized and efficient. The servo controls the receiving tray to receive residual butter that may drip, thereby replacing manual oiling to reduce labor intensity, improve oiling efficiency, have a wide range of applicability, and avoid dripping of residual butter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural view of the utility model.

[0016] Figure 2 This is a structural view of the steering gear of the present utility model.

[0017] Explanation of the accompanying reference numerals: 1-equipment frame; 2-slide rail; 3-rack; 4-electrical control box; 5-movable beam; 6-movable plate; 7-transmission gear; 8-first motor; 9-second motor; 10-motor mounting bracket; 11-screw; 12-movable bracket; 13-slide; 14-bearing seat; 15-threading chain; 16-base plate; 17-oil tank; 18-feeding oil pump; 19-filling oil pump; 20-reinforcement rib; 21-locking nut; 22-connecting pipe; 23-solenoid valve; 24-servo gear; 25-receiving tray. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to specific embodiments. These embodiments are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. It should also be understood that after reading the teachings of the present invention, those skilled in the art may make various changes or modifications to the present invention, and that these equivalent forms also fall within the scope defined by the appended claims.

[0019] Example 1: See Figures 1 to 2This is a structural view of the utility model and a structural view of the servo 24, a butter filling device for an excavator, which includes two symmetrically arranged equipment frames 1, the bottom of the equipment frame 1 is fixed to the ground by bolts, the upper end face of the equipment frame 1 is provided with a slide rail 2, the upper end face of one of the equipment frames 1 is provided with a rack 3, and two symmetrically arranged moving beams 5 are provided between the two slide rails 2. The ends of the moving beams 5 are plugged into and slidably matched with the slide rails 2, and the two moving beams 5 are connected by a moving plate 6. A first motor 8 is provided at the edge of the moving plate 6 near the side of the rack 3, and the output end of the first motor 8 passes through the moving plate 6 and is fixedly connected to a transmission gear 7 on the outside. The transmission gear 7 is meshed with the rack 3 for transmission, and the rotation of the first motor 8 drives the transmission gear 7 to rotate, thereby converting the rotation of the gear into power for the moving plate 6 and the moving beam 5 to slide along the slide rail 2 through meshing with the rack 3.

[0020] A filling skylight is provided on the movable plate 6. The filling skylight is an open structure. The upper end surface of the movable beam 5 is flush with the upper end surface of the movable plate 6. Two symmetrically distributed slide bars 13 are respectively provided at the two side edges of the filling skylight. A movable frame 12 is slidingly provided between the two slide bars 13. A threaded sleeve is provided on the inner side of the middle part of the movable frame 12. The inner side of the threaded sleeve is threadedly connected to a screw rod 11. The end of the screw rod 11 is connected to a second motor 9. The second motor 9 is fixed to the movable plate 6 through a motor mounting frame 10. A bearing seat 14 and a bearing are provided on the outer side of the tail of the screw rod 11. The bearing seat 14 is fixed to the movable plate 6. Drawing on the working principle of the ball screw bearing, the rotation output by the second motor 9 is converted into sliding power of the movable frame 12 along the slide bar 13 through the cooperation of the screw rod 11 and the threaded sleeve.

[0021] The side surface of the mobile frame 12 is connected to a base plate 16. In order to strengthen the connection strength between the base plate 16 and the mobile frame 12, a reinforcing rib 20 is provided between the base plate 16 and the mobile frame 12. A connecting pipe 22 is provided on the inner side of the base plate 16. The connecting pipe 22 is locked with the base plate 16 by a locking nut 21. The lower end of the connecting pipe 22 is connected to the filling head through the solenoid valve 23. The upper end of the connecting pipe 22 is connected to the filling oil pump 19 through a pipeline. The input end of the filling oil pump 19 is connected to the oil tank 17. The input end of the oil tank 17 is connected to the feeding oil pump 18. The base plate 16 The lower end surface is connected to the steering gear 24 by bolts, and a receiving tray 25 is fixedly provided at the output end of the steering gear 24. The upper end surface height of the receiving tray 25 is lower than the lower end height of the filling head. The receiving tray 25 is arranged at the lower end of the filling head. The depth of the receiving tray 25 is not less than 2 cm. The oil in the oil tank 17 can be filled from the oil barrel by the feeding oil pump 18. The filling oil pump 19 is used to provide butter to the pipeline and the filling head, and the oil in the oil tank 17 is extracted and pressurized. The butter will pass through the pipeline, the connecting pipe 22, the solenoid valve 23 and the filling head to fill the excavator's slewing support.

[0022] An electric control box 4 is provided on the side of the equipment frame 1, and a controller is provided inside the electric control box 4. The controller is electrically connected to the first motor 8, the second motor 9, the solenoid valve 23, the feeding oil pump 18, the filling oil pump 19, and the steering gear 24 through wires. The controller is also electrically connected to a touch screen through wires. The touch screen can be used to set parameters or control the action of the first motor 8 and the second motor 9, control the action of the feeding oil pump 18 and the filling oil pump 19, control the opening and closing of the solenoid valve 23, and control the rotation of the steering gear 24.

[0023] In order to prevent the pipeline from being damaged when the mobile frame 12 moves, a threading drag chain 15 is provided on the end face of the mobile plate 6. The threading drag chain 15 is arranged on the outside of the pipeline of the connecting pipe 22 and the filling oil pump 19. The upper end of the threading drag chain 15 is connected to the end of the mobile frame 12 by bolts.

[0024] In order to add butter more accurately and to cope with different filling operation conditions more flexibly, a camera is fixed on the side of the solenoid valve 23 through a bracket. The camera is electrically connected to the controller through a wire, and the position of the filling head can be displayed in real time through the touch screen.

[0025] A remote controller can also be provided, which is connected to the controller, and the position of the butter filling can be remotely controlled and adjusted by operating the remote controller.

[0026] The utility model can adjust the first motor 8 and the second motor 9 according to the position of the slewing support oil port of the excavator to be filled, so that the position of the filling port is opposite to the oil port, and then start the filling pump 19, open the solenoid valve 23, and fill. The function of the receiving tray is to receive the butter that may drip. When filling is not in progress, the steering gear 24 does not work, and the receiving tray 25 is arranged below the filling port. When filling, the steering gear 24 connected to the receiving tray 25 rotates first, driving the receiving tray 25 to leave the bottom of the filling port, and making way for the filling channel. After the filling is completed, as the solenoid valve 23 is closed, the steering gear 24 rotates in the opposite direction, and the receiving tray 25 is placed below the filling port again to receive the butter that may drip, thereby avoiding environmental pollution and keeping the working environment clean.

[0027] The utility model adopts a filling mechanism that can move biaxially in the horizontal direction to fill butter. The filling process is mechanized and efficient. The steering gear 24 is used to control the receiving tray 25 to receive residual butter that may drip. This replaces manual oiling to reduce labor intensity, improve oiling efficiency, has wide applicability, and can prevent residual butter from dripping.

Claims

1. A grease filling device for an excavator, characterized by: The invention comprises two symmetrically arranged equipment frames (1), wherein the upper end surface of the equipment frame (1) is provided with a slide rail (2), wherein the upper end surface of one of the equipment frames (1) is provided with a rack (3), and two symmetrically arranged moving beams (5) are provided between the two slide rails (2), and the ends of the moving beams (5) are plugged into and slidably matched with the slide rails (2), and the two moving beams (5) are connected via a moving plate (6), and a first motor (8) is provided at an edge of one side of the moving plate (6) close to the rack (3), and the output end of the first motor (8) passes through the moving plate (6) and is fixedly connected to a transmission gear (7) on the outside, and the transmission gear (7) is meshed with the rack (3) for transmission, and a filling skylight is provided on the moving plate (6), and two symmetrically distributed slide bars (13) are respectively provided at the two side edges of the filling skylight, and a moving frame (12) is slidably provided between the two slide bars (13), and a threaded sleeve is provided on the inner side of the middle part of the moving frame (12), and the inner side of the threaded sleeve is threadedly connected to a screw rod (1 1), the end of the screw rod (11) is connected to the second motor (9), the second motor (9) is fixedly arranged on the movable plate (6) through the motor mounting frame (10), the outer side of the tail of the screw rod (11) is provided with a bearing seat (14) and a bearing, the bearing seat (14) is fixedly arranged on the movable plate (6), the side end surface of the movable frame (12) is connected to the base plate (16), the inner side of the base plate (16) is provided with a connecting pipe (22), the connecting pipe (22) is connected to the movable plate (6) by a locking screw The nut (21) is locked with the base plate (16), the lower end of the connecting pipe (22) is connected to the filling head through the solenoid valve (23), the upper end of the connecting pipe (22) is connected to the filling oil pump (19) through a pipeline, the input end of the filling oil pump (19) is connected to the oil tank (17), the input end of the oil tank (17) is connected to the feeding oil pump (18), the lower end surface of the base plate (16) is connected to the steering gear (24) through bolts, and the output end of the steering gear (24) is fixedly provided with a receiving tray (25).

2. The grease filling device for an excavator according to claim 1, characterized in that: An electric control box (4) is provided on the side of the equipment frame (1).

3. The grease filling device for an excavator according to claim 1, characterized in that: A threading drag chain (15) is provided on the end surface of the movable plate (6), and the threading drag chain (15) is provided outside the pipeline of the connecting pipe (22) and the filling oil pump (19). The upper end of the threading drag chain (15) is connected to the end of the movable frame (12) by a bolt.

4. The grease filling device for an excavator according to claim 1, characterized in that: The height of the upper end surface of the receiving tray (25) is lower than the height of the lower end of the filling head, and the receiving tray (25) is arranged at the lower end of the filling head.

5. The grease filling device for an excavator according to claim 1, characterized in that: The depth of the receiving tray (25) is not less than 2 cm.

6. The grease filling device for an excavator according to claim 1, characterized in that: The upper end surface of the movable beam (5) is flush with the upper end surface of the movable plate (6).

7. The grease filling device for an excavator according to claim 2, characterized in that: A controller is provided inside the electric control box (4), and the controller is electrically connected to the first motor (8), the second motor (9), the solenoid valve (23), the feeding oil pump (18), the filling oil pump (19), and the steering gear (24) through wires. The controller is also electrically connected to a touch screen through wires.

8. The grease filling device for an excavator according to claim 7, characterized in that: A camera is fixedly provided on the side of the solenoid valve (23) via a bracket, and the camera is electrically connected to the controller via a wire.