Oil injection device and method for adding lubricating oil to electric actuating mechanism

Abstract

The invention provides an oil injection device and method for adding lubricating oil to an electric actuating mechanism. An oil injection device for adding lubricating oil to an electric actuating mechanism comprises an oil cup, an oil valve and a connector, the oil cup is connected with the oil valve through a pipeline, and the oil valve is connected with the connector. The oil injection port of the electric actuating mechanism is quickly connected through the connector, lubricating oil is added into the oil cup, and the oil valve is opened to realize quick oil injection. And oil injection equipment is prevented from falling into the electric actuating mechanism.

Description

Technical Field

[0001] The present invention relates to the technical field of electric actuator maintenance equipment, and in particular to an oiling device and method for adding lubricating oil to an electric actuator. Background Art

[0002] As the most widely used key equipment in natural gas transmission stations, electric actuators play a key role in opening and closing the trunk pipeline and station valves and adjusting the opening degree. The replacement of its motor lubricating oil has become the focus of annual equipment maintenance. At present, the lubricating oil is mainly sucked in by a syringe, and then the syringe is inserted into the electric actuator to inject the lubricating oil. A single electric actuator needs to be injected about 3 times to complete the lubricating oil addition, and there is a risk that the syringe needle and hose will fall into the oil chamber of the actuator. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a device and method for adding lubricating oil to an electric actuator in view of the deficiencies in the prior art.

[0004] The technical solution of the present invention to solve the above technical problems is as follows: an oil filling device for adding lubricating oil to an electric actuator, comprising: an oil cup, an oil valve and a joint, the oil cup is connected to the oil valve through a pipeline, and the oil valve is connected to the joint.

[0005] The beneficial effect of the technical solution of the present invention is: the oil filling port of the electric actuator can be quickly connected through the joint, and then lubricating oil is added to the oil cup and the oil valve is opened to achieve rapid oil filling. It is convenient and efficient, and prevents the oil filling device from falling into the electric actuator.

[0006] Furthermore, the connector is adapted to the oil filling port of the electric actuator.

[0007] The beneficial effect of adopting the above further technical solution is that the connector can be quickly connected to the oil filling port of the electric actuator to achieve lubricating oil filling.

[0008] Furthermore, a sealing thread is provided at the oil filling port of the electric actuator, and a thread matching the sealing thread is provided on the joint.

[0009] The beneficial effect of adopting the above further technical solution is that the oil filling port of the electric actuator can be quickly connected with a threaded connector to achieve quick connection and prevent lubricating oil leakage.

[0010] Furthermore, lubricating oil is provided in the oil cup, the oil cup is a conical structure, and the oil cup and the joint are made of stainless steel.

[0011] The beneficial effect of adopting the above further technical solution is that the oil cup is a conical structure, which facilitates the lubricating oil to flow from the bottom to the joint and the inside of the electric actuator under the action of its own gravity. The oil cup and the joint are made of stainless steel, which improves the corrosion resistance of the oil filling device.

[0012] Furthermore, a U-shaped handle is provided on the side wall of the oil cup.

[0013] The beneficial effect of adopting the above further technical solution is that the provision of the U-shaped handle makes it convenient for the user to take and place the oil filling device, and to hang the oil filling device according to actual needs.

[0014] Furthermore, the top of the oil cup is provided with an opening, and a cup cover is provided at the opening.

[0015] The beneficial effects of adopting the above further technical solution are: the top of the oil cup is open, which is convenient for injecting lubricating oil into the oil cup. The setting of the cup cover is convenient for sealing the oil cup and improving the cleanliness of the lubricating oil.

[0016] Furthermore, two ends of the pipeline between the oil cup and the oil valve are respectively connected to the oil cup and the oil valve through threads.

[0017] The beneficial effect of adopting the above further technical solution is that the pipeline is connected to the oil cup and the oil valve through threads, which facilitates the quick connection of the oil cup and the oil valve, and facilitates the installation and maintenance of the oil cup and the oil valve.

[0018] Furthermore, the joint includes: a first joint, a second joint and a third joint, the first joint and the second joint are both stepped tubular structures, the third joint is an annular structure, one end of the first joint is connected to the oil valve, one end of the second joint is connected to the other end of the first joint, and the third joint is connected to the other end of the second joint.

[0019] The beneficial effect of adopting the above further technical solution is that the arrangement of the first joint, the second joint and the third joint facilitates adapting to the oil filling ports of different electric actuators through joints of different sizes, thereby improving the applicability of the oil filling device.

[0020] Further, the two ends of the first joint are respectively provided with external threads, the two ends of the second joint are respectively provided with internal threads and external threads, the two ends of the third joint are respectively provided with internal threads and external threads, the diameter of the other end of the first joint is smaller than the diameter of one end of the first joint, and the diameter of the other end of the second joint is smaller than the diameter of one end of the second joint; one end of the first joint is connected to the oil valve through an external thread, one end of the second joint is sleeved on the external thread of the other end of the first joint through an internal thread, and the third joint is sleeved on the external thread of the other end of the second joint through an internal thread.

[0021] The beneficial effect of adopting the above further technical solution is that the first joint, the second joint and the third joint are arranged so as to adapt to different oil filling ports of electric actuators through joints of different sizes, thereby improving the applicability of the oil filling device. The first joint, the second joint and the third joint are threadedly connected so as to facilitate installation and removal of the corresponding joints according to actual needs, thereby realizing rapid matching with the oil filling port of the electric actuator.

[0022] In addition, the present invention also provides a method for adding lubricating oil to an electric actuator. Based on any one of the above-mentioned devices for adding lubricating oil to an electric actuator, the method for adding lubricating oil to an electric actuator comprises: S1, connecting an oil cup, an oil valve and a joint;

[0023] S2. Connect the connector to the oil filling port of the electric actuator; S3. Inject lubricating oil into the oil cup; S4. Open the oil valve and fill the electric actuator with lubricating oil.

[0024] The beneficial effect of the technical solution of the present invention is: the oil filling port of the electric actuator can be quickly connected through the joint, and then lubricating oil is added to the oil cup and the oil valve is opened to achieve rapid oil filling. It is convenient and efficient, and prevents the oil filling device from falling into the electric actuator.

[0025] Advantages of additional aspects of the present invention will be given in part in the following description, and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is one of the structural schematic diagrams of the oiling device for adding lubricating oil to an electric actuator provided in an embodiment of the present invention.

[0027] Figure 2 The second structural schematic diagram of the oil filling device for adding lubricating oil to an electric actuator provided in an embodiment of the present invention.

[0028] Figure 3 The third structural schematic diagram of the oil injection device for adding lubricating oil to an electric actuator provided in an embodiment of the present invention.

[0029] Figure 4 The fourth structural schematic diagram of the oiling device for adding lubricating oil to an electric actuator provided in an embodiment of the present invention.

[0030] Figure 5 The fifth structural schematic diagram of the oil injection device for adding lubricating oil to the electric actuator provided in an embodiment of the present invention.

[0031] Figure 6 The sixth structural schematic diagram of the oil injection device for adding lubricating oil to the electric actuator provided in an embodiment of the present invention.

[0032] Figure 7 A schematic flowchart of a method for adding lubricating oil to an electric actuator provided in an embodiment of the present invention.

[0033] Explanation of the accompanying drawings: 1. Oil cup; 2. Oil valve; 3. Connector; 4. Pipeline; 5. U-shaped handle; 6. First connector; 7. Second connector; 8. Third connector. DETAILED DESCRIPTION

[0034] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention but not to limit the scope of the present invention.

[0035] like Figures 1 to 6 As shown, an embodiment of the present invention provides an oil filling device for adding lubricating oil to an electric actuator, comprising: an oil cup 1, an oil valve 2 and a connector 3, wherein the oil cup 1 is connected to the oil valve 2 via a pipeline 4, and the oil valve 2 is connected to the connector 3.

[0036] The beneficial effect of the technical solution of the present invention is: the oil filling port of the electric actuator can be quickly connected through the joint, and then lubricating oil is added to the oil cup and the oil valve is opened to achieve rapid oil filling. It is convenient and efficient, and prevents the oil filling device from falling into the electric actuator.

[0037] The current cumbersome oil changing method is neither convenient nor efficient, and there is a risk that the oil filling device will fall into the electric actuator. Based on the actual situation, a fast and convenient oil filling device (oil filling device for adding lubricating oil to electric actuator) has been developed. It can quickly connect the oil filling port of the electric actuator with a threaded joint (joint), add lubricating oil to the external oil cup (oil cup), and open the oil valve on the oil filling device (oil filling device for adding lubricating oil to electric actuator) to achieve fast and convenient oil filling.

[0038] like Figures 1 to 6 As shown, further, the connector 3 is adapted to the oil filling port of the electric actuator.

[0039] The beneficial effect of adopting the above further technical solution is that the connector can be quickly connected to the oil filling port of the electric actuator to achieve lubricating oil filling.

[0040] Among them, users can process and customize the flexible joint (connector) that can match the sealing thread of the oil filling port of the electric actuator according to actual needs.

[0041] like Figures 1 to 6 As shown, further, a sealing thread is provided at the oil filling port of the electric actuator, and a thread matching the sealing thread is provided on the connector 3.

[0042] The beneficial effect of adopting the above further technical solution is that the oil filling port of the electric actuator can be quickly connected with a threaded connector to achieve quick connection and prevent lubricating oil leakage.

[0043] like Figures 1 to 6 As shown, further, lubricating oil is provided in the oil cup 1, the oil cup 1 is a conical structure, and the oil cup 1 and the joint 3 are made of stainless steel.

[0044] The beneficial effect of adopting the above further technical solution is that the oil cup is a conical structure, which facilitates the lubricating oil to flow from the bottom to the joint and the inside of the electric actuator under the action of its own gravity. The oil cup and the joint are made of stainless steel, which improves the corrosion resistance of the oil filling device.

[0045] like Figures 1 to 6 As shown, further, a U-shaped handle 5 is provided on the side wall of the oil cup 1 .

[0046] The beneficial effect of adopting the above further technical solution is that the provision of the U-shaped handle makes it convenient for the user to take and place the oil filling device, and to hang the oil filling device according to actual needs.

[0047] like Figures 1 to 6 As shown, further, the top of the oil cup 1 is provided with an opening, and a cup cover is provided at the opening position.

[0048] The beneficial effects of adopting the above further technical solution are: the top of the oil cup is open, which is convenient for injecting lubricating oil into the oil cup. The setting of the cup cover is convenient for sealing the oil cup and improving the cleanliness of the lubricating oil.

[0049] like Figures 1 to 6 As shown, further, two ends of the pipeline 4 between the oil cup 1 and the oil valve 2 are connected to the oil cup 1 and the oil valve 2 respectively through threads.

[0050] The beneficial effect of adopting the above further technical solution is that the pipeline is connected to the oil cup and the oil valve through threads, which facilitates the quick connection of the oil cup and the oil valve, and facilitates the installation and maintenance of the oil cup and the oil valve.

[0051] like Figures 1 to 6 As shown, further, the joint 3 includes: a first joint 6, a second joint 7 and a third joint 8, the first joint 6 and the second joint 7 are both stepped tubular structures, the third joint 8 is an annular structure, one end of the first joint 6 is connected to the oil valve 2, one end of the second joint 7 is connected to the other end of the first joint 6, and the third joint 8 is connected to the other end of the second joint 7.

[0052] The beneficial effect of adopting the above further technical solution is that the arrangement of the first joint, the second joint and the third joint facilitates adapting to the oil filling ports of different electric actuators through joints of different sizes, thereby improving the applicability of the oil filling device.

[0053] like Figures 1 to 6 As shown, further, both ends of the first joint 6 are respectively provided with external threads, both ends of the second joint 7 are respectively provided with internal threads and external threads, both ends of the third joint 8 are respectively provided with internal threads and external threads, the diameter of the other end of the first joint 6 is smaller than the diameter of one end of the first joint 6, and the diameter of the other end of the second joint 7 is smaller than the diameter of one end of the second joint 7; one end of the first joint 6 is connected to the oil valve 2 through an external thread, one end of the second joint 7 is sleeved on the external thread of the other end of the first joint 6 through an internal thread, and the third joint 8 is sleeved on the external thread of the other end of the second joint 7 through an internal thread.

[0054] The beneficial effect of adopting the above further technical solution is that the first joint, the second joint and the third joint are arranged so as to adapt to different oil filling ports of electric actuators through joints of different sizes, thereby improving the applicability of the oil filling device. The first joint, the second joint and the third joint are threadedly connected so as to facilitate installation and removal of the corresponding joints according to actual needs, thereby realizing rapid matching with the oil filling port of the electric actuator.

[0055] The present invention is based on the innovative transformation of lubricating oil replacement during maintenance of electric actuators. Starting from the convenience of operation and practicality, the invention realizes the fast and convenient operation of replacing and adding lubricating oil to electric actuators, and combines a fast adding lubricating oil filling cup for electric actuators (adding lubricating oil filling device for electric actuators). It overcomes the traditional method of adding lubricating oil with a syringe and prevents the syringe accessories from falling into the electric actuator.

[0056] like Figure 7 As shown, in addition, the present invention also provides a method for adding lubricating oil to an electric actuator, based on a device for adding lubricating oil to an electric actuator as described in any one of the above, the method for adding lubricating oil to an electric actuator includes: S1, connecting an oil cup, an oil valve and a connector; S2, connecting the connector to the oil filling port of the electric actuator; S3, injecting lubricating oil into the oil cup; S4, opening the oil valve to fill the electric actuator with lubricating oil.

[0057] The beneficial effect of the technical solution of the present invention is: the oil filling port of the electric actuator can be quickly connected through the joint, and then lubricating oil is added to the oil cup and the oil valve is opened to achieve rapid oil filling. It is convenient and efficient, and prevents the oil filling device from falling into the electric actuator.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A device for adding lubricating oil to an electric actuator, characterized in that: include: An oil cup, an oil valve and a joint, wherein the oil cup is connected to the oil valve through a pipeline, and the oil valve is connected to the joint.

2. The device for adding lubricating oil to an electric actuator according to claim 1, characterized in that: The joint is adapted to the oil filling port of the electric actuator.

3. The device for adding lubricating oil to an electric actuator according to claim 1, characterized in that: The oil filling port of the electric actuator is provided with a sealing thread, and the joint is provided with a thread matching the sealing thread.

4. The device for adding lubricating oil to an electric actuator according to claim 1, characterized in that: Lubricating oil is provided in the oil cup, the oil cup is a conical structure, and the oil cup and the joint are made of stainless steel.

5. The device for adding lubricating oil to an electric actuator according to claim 1, characterized in that: A U-shaped handle is provided on the side wall of the oil cup.

6. The device for adding lubricating oil to an electric actuator according to claim 1, characterized in that: The top of the oil cup is provided with an opening, and a cup cover is provided at the opening position.

7. The device for adding lubricating oil to an electric actuator according to claim 1, characterized in that: Two ends of the pipeline between the oil cup and the oil valve are connected to the oil cup and the oil valve respectively through threads.

8. The device for adding lubricating oil to an electric actuator according to claim 1, characterized in that: The joint includes: a first joint, a second joint and a third joint, the first joint and the second joint are both stepped tubular structures, the third joint is an annular structure, one end of the first joint is connected to the oil valve, one end of the second joint is connected to the other end of the first joint, and the third joint is connected to the other end of the second joint.

9. The device for adding lubricating oil to an electric actuator according to claim 8, characterized in that: The two ends of the first joint are respectively provided with external threads, the two ends of the second joint are respectively provided with internal threads and external threads, the two ends of the third joint are respectively provided with internal threads and external threads, the diameter of the other end of the first joint is smaller than the diameter of one end of the first joint, and the diameter of the other end of the second joint is smaller than the diameter of one end of the second joint; one end of the first joint is connected to the oil valve through an external thread, one end of the second joint is sleeved on the external thread of the other end of the first joint through an internal thread, and the third joint is sleeved on the external thread of the other end of the second joint through an internal thread.

10. A method for adding lubricating oil to an electric actuator, characterized in that: Based on the device for adding lubricating oil to an electric actuator according to any one of claims 1 to 9, the method for adding lubricating oil to an electric actuator comprises: S1. Connect the oil cup, oil valve and joint; S2. Connect the connector to the oil filling port of the electric actuator; S3, inject lubricating oil into the oil cup; S4. Open the oil valve and fill the electric actuator with lubricating oil.

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