A multifunctional device for a vacuum circulating oil injection pump

CN224634678UActive Publication Date: 2026-08-14XIAN FENGZHOU ENERGY TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-25
Publication Date
2026-08-14

AI Technical Summary

Technical Problem

[0004]本实用新型的目的在于提供一种真空循环注油泵的多功能装置,以解决上述背景技术中提出现有的注油设备只能进行单一油品的注油操作,且缺乏加热功能,无法在低温环境下保证油品的流动性的问题

Benefits of technology

[0012]与现有技术相比,本实用新型的有益效果是能够同时进行多种油品的注油操作,具备油温加热功能,并能在油压过大时自动卸压,保护仪器和油管,该真空循环注油泵的多功能装置设置有三个独立的循环系统:分别为加温注油循环系统、注硅油循环系统和注液压油循环系统;每个循环系统包括储油罐、循环泵、过滤器、压力表和卸荷阀,三系统共用一台真空泵:

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Patent Text Reader

Abstract

This utility model discloses a multifunctional device for a vacuum circulating oil injection pump, including a heated oil injection circulation structure, a silicone oil injection circulation structure, and a hydraulic oil injection circulation structure, and the three structures can operate independently. This multifunctional device for a vacuum circulating oil injection pump can simultaneously perform oil injection operations for multiple types of oil and for different instruments. It has an oil temperature heating function and an automatic pressure relief protection function when the oil pressure is too high, which effectively improves the oil injection efficiency and protects the safety of instruments and oil pipes.
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Description

Technical Field

[0001] This utility model relates to the field of oil injection equipment technology for petroleum instruments, specifically a multifunctional device for a vacuum circulating oil injection pump. Background Technology

[0002] In the use of oil logging instruments and formation testing instruments, oil injection is a crucial step to ensure the normal operation of the instruments. Traditional oil injection equipment can usually only perform oil injection operations for a single type of oil and lacks heating function, making it impossible to guarantee the fluidity of the oil in low-temperature environments. In addition, existing oil injection equipment cannot perform oil injection operations for multiple types of oil simultaneously, resulting in low efficiency. Therefore, there is an urgent need for a multifunctional vacuum circulation oil injection pump device that can simultaneously inject multiple types of oil and has oil temperature heating function.

[0003] To address the aforementioned issues, we have implemented an innovative design based on the existing vacuum circulation oil injection pump device structure. Utility Model Content

[0004] The purpose of this utility model is to provide a multifunctional device for a vacuum circulating oil injection pump, so as to solve the problem mentioned in the background art that the existing oil injection equipment can only perform oil injection operations for a single type of oil and lacks heating function, and cannot ensure the fluidity of the oil in a low-temperature environment.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multifunctional device for a vacuum circulation oil pump, comprising a heating oil circulation structure, a silicone oil circulation structure, and a hydraulic oil circulation structure, wherein the three structures operate independently; comprising: a heating oil circulation structure: a first vacuum valve (13), a second vacuum valve (1), and a third vacuum valve (2) arranged in parallel, respectively connected to a liquid heating tank (20), a silicone oil tank (23), and a hydraulic oil tank (6); a trolley (9), a trolley (9) integrating all components, the front end of which is provided with a vacuum pump control box (37) and a heating oil circulation system control box (38). ), Silicon oil circulation system control box (22), hydraulic oil circulation system control box (39); heating tank (20), the top right side is connected to the first oil suction valve (16) and the first oil inlet valve (40) through the first filter (17); the top left side is connected to the pressure reducing valve (28) and the oil mist filter (29); the lower first outlet is connected to the inlet of the first circulation pump (36), the outlet end of the first circulation pump (36) is connected to the oil outlet pipeline through the first oil outlet valve (21); the lower second outlet is connected to the first single pipe oil outlet valve (31); heating oil circulation system control box (38) independently controls the operation of the heating circulation oil circulation circuit. Silicone oil injection circulation structure: Silicone oil tank (23), the top right side is connected to the second suction valve (18) and the second inlet valve (25) through the second filter (19); the top left side is connected to the vacuum pump oil-water separator (35) through the second vacuum valve (1); the lower first outlet is connected to the inlet of the second circulation pump (24), and the outlet end of the second circulation pump (24) is connected to the outlet pipeline through the second outlet valve (8); the lower second outlet is connected to the second single-pipe outlet valve (43); the silicone oil injection circulation system control box (22) independently controls the operation of the silicone oil injection circulation circuit. Hydraulic oil injection circulation structure: Hydraulic oil tank (6), the third suction valve (4) and the third inlet valve (44) are connected through the third filter (5); the lower first outlet is connected to the inlet of the third circulation pump (30), and the outlet end of the third circulation pump (30) is connected to the outlet pipeline through the third outlet valve (7); the lower second outlet is connected to the third single-pipe outlet valve (34); the hydraulic oil injection circulation system control box (39) independently controls the operation of the hydraulic oil injection circulation circuit.

[0006] Preferably, a first pressure gauge (14), a second pressure gauge (15), and a third pressure gauge (3) are respectively installed on the outside of the heating tank (20), the silicone oil tank (23), and the hydraulic oil tank (6) for pressure monitoring of the heating tank (20), the silicone oil tank (23), and the hydraulic oil tank (6).

[0007] Preferably, the heating tank (20), the silicone oil tank (23) and the hydraulic oil tank (6) are respectively connected to a first oil suction valve (16), a second oil suction valve (18) and a third oil suction valve (4) through a first filter (17), a second filter (19) and a third filter (5).

[0008] Preferably, a vacuum pump (11) is fixedly installed inside the trolley (9), and the vacuum pump (11) is connected to the first vacuum valve (13), the second vacuum valve (1) and the third vacuum valve (2) through the vacuum pump oil-water separator (35); and the gas is discharged through the vacuum pump oil mist filter (10).

[0009] Preferably, the trolley (9) is fixedly installed with a vacuum pump control box (37), a heating oil circulation system control box (38), a silicone oil circulation system control box (22), and a hydraulic oil circulation system control box (39), and the control box integrates a first temperature controller (12), a second temperature controller (41), and a third temperature controller (42).

[0010] Preferably, the first circulation pump (36), the second circulation pump (24) and the third circulation pump (30) are respectively equipped with a first unloading valve (27), a second unloading valve (32) and a third unloading valve (33).

[0011] Preferably, the heating tank (20) has a fourth pressure gauge (26), a vacuum valve (13), a pressure reducing valve (28), and an oil mist filter (29) connected to the outside of its vacuum port.

[0012] Compared with the prior art, the advantages of this utility model are that it can simultaneously perform oil injection operations for multiple types of oil, has an oil temperature heating function, and can automatically relieve pressure when the oil pressure is too high, protecting the instruments and oil pipes. This multi-functional vacuum circulating oil injection pump is equipped with three independent circulation systems: a heating oil injection circulation system, a silicone oil injection circulation system, and a hydraulic oil injection circulation system. Each circulation system includes an oil storage tank, a circulation pump, a filter, a pressure gauge, and a relief valve. The three systems share a single vacuum pump. 1. Heating device: Each oil storage tank is equipped with a heating rod, which is connected to a temperature controller to heat the oil. The temperature is adjustable and controllable. 2. Oil outlet valve: Each circulation system is equipped with an unloading valve at the oil outlet. When the oil pressure output by the circulation pump exceeds the set value, the unloading valve will automatically open, allowing the oil to flow back to the oil storage tank to prevent excessive internal pressure of the instrument or rupture of the oil pipe. 3. Vacuum system: The vacuum pump can perform a vacuuming operation on the system before oil injection to ensure that no air bubbles are generated during the oil injection process. The corresponding circulation system can be switched to vacuuming via the valve, or vacuuming can be performed simultaneously.

[0013] 4. Control Box: The control box includes a vacuum pump control box, a heating and oil injection circulation system control box, a silicone oil injection circulation system control box, and a hydraulic oil injection circulation system control box. The control box integrates a first temperature controller, a second temperature controller, and a third temperature controller. The control panel has a circulation pump switch, a vacuum pump switch, and temperature controller buttons, allowing users to adjust the oil injection temperature and pressure as needed. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 This is a schematic diagram of the overall bottom view of the present invention; Figure 3 This is a schematic diagram of the overall distribution structure of the hydraulic oil tank, heating tank, and silicone oil tank of this utility model; Figure 4 This is a schematic diagram of the overall front view of the present invention; Figure 5 This is a top view of the overall structure of this utility model.

[0015] In the diagram: 1. Second vacuum valve; 2. Third vacuum valve; 3. Third pressure gauge; 4. Third oil suction valve; 5. Third filter; 6. Hydraulic oil tank; 7. Third oil outlet valve; 8. Second oil outlet valve; 9. Trolley; 10. Vacuum pump oil mist filter; 11. Vacuum pump; 12. First temperature controller; 13. First vacuum valve; 14. First pressure gauge; 15. Second pressure gauge; 16. First oil suction valve; 17. First filter; 18. Second oil suction valve; 19. Second filter; 20. Heating tank; 21. First oil outlet valve; 22. Silicone oil circulation system control box; 23. Silicone oil tank; 24. 25. Second circulation pump; 26. Second inlet valve; 27. Fourth pressure gauge; 28. First unloading valve; 29. ​​Pressure reducing valve; 30. Oil mist filter; 31. Third circulation pump; 32. First single-pipe outlet valve; 33. Second unloading valve; 34. Third single-pipe outlet valve; 35. Vacuum pump oil-water separator; 36. First circulation pump; 37. Vacuum pump control box; 38. Heating and oil injection circulation system control box; 39. Hydraulic oil injection circulation system control box; 40. First inlet valve; 41. Second temperature controller; 42. Third temperature controller; 43. Second single-pipe outlet valve; 44. Third inlet valve. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0017] Please see Figures 1-5This utility model provides a technical solution: a multifunctional device for a vacuum circulation oil injection pump, comprising: a heating oil injection circulation structure, a silicone oil injection circulation structure, and a hydraulic oil injection circulation structure, with the three structures operating independently; comprising: a heating oil injection circulation structure: a first vacuum valve (13), a second vacuum valve (1), and a third vacuum valve (2) arranged in parallel, respectively connected to a liquid heating tank (20), a silicone oil tank (23), and a hydraulic oil tank (6); a trolley (9), a trolley (9) integrating all components, with a vacuum pump control box (37), a heating oil injection circulation system control box (38), and an injection pump control box (39) at its front end. Silicon oil circulation system control box (22), hydraulic oil circulation system control box (39); heating tank (20), the top right side is connected to the first oil suction valve (16) and the first oil inlet valve (40) through the first filter (17); the top left side is connected to the pressure reducing valve (28) and the oil mist filter (29); the lower first outlet is connected to the inlet of the first circulation pump (36), the outlet end of the first circulation pump (36) is connected to the oil outlet pipeline through the first oil outlet valve (21); the lower second outlet is connected to the first single pipe oil outlet valve (31); heating oil circulation system control box (38), independently controls the operation of the heating circulation oil injection circuit. Silicone oil injection circulation structure: Silicone oil tank (23), the top right side is connected to the second suction valve (18) and the second inlet valve (25) through the second filter (19); the top left side is connected to the vacuum pump oil-water separator (35) through the second vacuum valve (1); the lower first outlet is connected to the inlet of the second circulation pump (24), and the outlet end of the second circulation pump (24) is connected to the outlet pipeline through the second outlet valve (8); the lower second outlet is connected to the second single-pipe outlet valve (43); the silicone oil injection circulation system control box (22) independently controls the operation of the silicone oil injection circulation circuit. Hydraulic oil injection circulation structure: Hydraulic oil tank (6), the third suction valve (4) and the third inlet valve (44) are connected through the third filter (5); the lower first outlet is connected to the inlet of the third circulation pump (30), and the outlet end of the third circulation pump (30) is connected to the outlet pipeline through the third outlet valve (7); the lower second outlet is connected to the third single-pipe outlet valve (34); the hydraulic oil injection circulation system control box (39) independently controls the operation of the hydraulic oil injection circulation circuit.

[0018] A first pressure gauge (14), a second pressure gauge (15), and a third pressure gauge (3) are respectively installed on the outside of the heating tank (20), the silicone oil tank (23), and the hydraulic oil tank (6) for pressure monitoring. The heating tank (20), the silicone oil tank (23), and the hydraulic oil tank (6) are respectively connected to a first oil suction valve (16), a second oil suction valve (18), and a third oil suction valve (4) through a first filter (17), a second filter (19), and a third filter (5). A vacuum pump (11) is fixedly installed inside the trolley (9), and the vacuum pump (11) is connected to a first vacuum valve (13), a second vacuum valve (1), and a third vacuum valve (35) through a vacuum pump oil-water separator (35). Valve (2); gas is discharged through vacuum pump oil mist filter (10); vacuum pump control box (37), heating oil circulation system control box (38), silicone oil circulation system control box (22), and hydraulic oil circulation system control box (39) are fixedly installed inside the trolley (9), and the control box integrates the first temperature controller (12), the second temperature controller (41), and the third temperature controller (42); the first circulation pump (36), the second circulation pump (24), and the third circulation pump (30) are respectively equipped with the first unloading valve (27), the second unloading valve (32), and the third unloading valve (33); the heating tank (20) is connected to the outside of its vacuum port with the fourth pressure gauge (26), the vacuum valve (13), the pressure reducing valve (28), and the oil mist filter (29); For one of the circulation systems of the equipment, preparations before oil filling: connect the oil inlet of the instrument to be oiled to the corresponding oil outlet valve, and connect the oil outlet to the corresponding oil inlet valve. Turn on the vacuum pump 11 to perform a vacuuming operation on the system to ensure that there are no air bubbles in the system. Oil filling operation: Start the corresponding circulation pump. The oil is transported from the corresponding oil tank to the instrument through the circulation pump. During the oil filling process, if the oil pressure exceeds the set value, the unloading valve will open automatically and return the oil to the corresponding oil tank to prevent damage to the instrument and oil pipes. Heating function: The oil temperature is set by the thermostat, and the heating rod heats the corresponding oil in the tank to ensure that the oil is injected at a suitable temperature. Multiple structures working simultaneously: The three circulation mechanisms can work simultaneously to perform lubrication operations on different instruments without interfering with each other; Working Principle: Before oil filling, the vacuum pump is turned on to evacuate the system, ensuring no air bubbles are present. The circulation pump is then started, and oil is transported from the oil tank to the instrument via the circulation pump. If the oil pressure exceeds the set value, the unloading valve automatically opens, returning the oil to the oil tank to prevent damage to the instrument and oil pipes. The oil temperature is set via a temperature controller, which controls the heating rod to heat the oil in the tank until it reaches a suitable temperature. This multi-functional vacuum circulation oil filling pump has multiple circulation systems, enabling simultaneous oil filling operations for different instruments. It features oil temperature heating and automatic pressure relief protection, effectively improving oil filling efficiency and protecting the safety of the instrument and oil pipes.

[0019] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0020] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multifunctional device of a vacuum circulating oil injection pump, comprising a heating oil injection circulating structure, a silicone oil injection circulating structure and a hydraulic oil injection circulating structure, and the three structures can be independently operated; characterized in that, include: Heated oil injection circulation structure: The first vacuum valve (13), the second vacuum valve (1), and the third vacuum valve (2) are connected in parallel and are respectively connected to the liquid heating tank (20), the silicone oil tank (23), and the pressure oil tank (6). The trolley (9) integrates all components and has a vacuum pump control box (37), a heating oil circulation system control box (38), a silicone oil circulation system control box (22), and a hydraulic oil circulation system control box (39) at its front end. The heating tank (20) has a first oil suction valve (16) and a first oil inlet valve (40) connected to the right side of the top via a first filter (17); a pressure reducing valve (28) and an oil mist filter (29) connected to the left side of the top; the first outlet at the bottom is connected to the inlet of the first circulating pump (36), and the outlet of the first circulating pump (36) is connected to the oil outlet pipeline via a first oil outlet valve (21); the second outlet at the bottom is connected to the first single-pipe oil outlet valve (31). The heating and oil injection circulation system control box (38) independently controls the operation of the heating and oil injection circuit; Silicone oil injection circulation structure: The silicone oil tank (23) has a second oil suction valve (18) and a second oil inlet valve (25) connected to the right side of the top via a second filter (19); a vacuum pump oil-water separator (35) connected to the left side of the top via a second vacuum valve (1); the first outlet at the bottom is connected to the inlet of the second circulation pump (24), and the outlet of the second circulation pump (24) is connected to the oil outlet pipeline via a second oil outlet valve (8); the second outlet at the bottom is connected to the second single-pipe oil outlet valve (43). The silicone oil circulation system control box (22) independently controls the operation of the silicone oil circulation and injection circuit. Hydraulic oil circulation structure: The hydraulic oil tank (6) is connected to the third suction valve (4) and the third inlet valve (44) through the third filter (5); the first outlet at the lower end is connected to the inlet of the third circulation pump (30), and the outlet end of the third circulation pump (30) is connected to the outlet pipeline through the third outlet valve (7); the second outlet at the lower end is connected to the third single-pipe outlet valve (34). The hydraulic oil circulation system control box (39) independently controls the operation of the hydraulic oil circulation and injection circuit.

2. The multifunctional device for a vacuum circulating oil injection pump according to claim 1, characterized in that: The heating tank (20), silicone oil tank (23) and hydraulic oil tank (6) are respectively equipped with a first pressure gauge (14), a second pressure gauge (15) and a third pressure gauge (3) for pressure monitoring of the heating tank (20), silicone oil tank (23) and hydraulic oil tank (6).

3. The multi-functional device of claim 1, wherein: The heating tank (20), the silicone oil tank (23), and the hydraulic oil tank (6) are respectively connected to the first oil suction valve (16), the second oil suction valve (18), and the third oil suction valve (4) through the first filter (17), the second filter (19), and the third filter (5).

4. The multi-functional device of claim 1, wherein: A vacuum pump (11) is fixedly installed inside the trolley (9), and the vacuum pump (11) is connected to the first vacuum valve (13), the second vacuum valve (1) and the third vacuum valve (2) through the vacuum pump oil-water separator (35); the gas is discharged through the vacuum pump oil mist filter (10).

5. The multi-functional device of claim 1, wherein: The trolley (9) is fixedly installed with a vacuum pump control box (37), a heating oil circulation system control box (38), a silicone oil circulation system control box (22), and a hydraulic oil circulation system control box (39), and the control box integrates a first temperature controller (12), a second temperature controller (41), and a third temperature controller (42).

6. The multi-functional device of claim 1, wherein: The first circulating pump (36), the second circulating pump (24) and the third circulating pump (30) are respectively equipped with a first unloading valve (27), a second unloading valve (32) and a third unloading valve (33).

7. The multi-functional device of claim 1, wherein: The heating tank (20) has a fourth pressure gauge (26), a vacuum valve (13), a pressure reducing valve (28), and an oil mist filter (29) connected to the outside of its vacuum port.