A high-precision electro-hydraulic beam liquid supply pressure regulating device with multiple pressures and multiple paths

By introducing components such as acid-base detection and permeability filter plates into the electro-hydraulic beam liquid supply and regulating pressure device, the problem of lowering acidity of acid-based solutions is solved, ensuring the processing quality of the electro-hydraulic beam and the saving of equipment.

CN115815718BActive Publication Date: 2025-07-25YIXING XINYU TECH CO LTD
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Patent Information

Application Number
CN202211445817.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-18
Publication Date
2025-07-25
Estimated Expiration
2042-11-18

AI Technical Summary

Technical Problem

The acid-based solution reacts with alkaline substances in oxygen during storage or transportation, resulting in a decrease in acidity, affecting the quality of subsequent processing and producing salt, and affecting the working effect of the electro-hydraulic beam.

Method used

A multi-pressure and multi-path high-precision electro-hydraulic beam liquid pressure regulating device is designed, including a substrate, a bracket, a pressure regulating component, a liquid storage tank, an acid-base detection device and an osmotic filter plate. The acidity is detected through an acid-base detector, a beep alarm, a high-concentration acid-based liquid is added, agitation and mixing, and the liquid extraction pump extracts and filters salt through the osmotic filter plate to adjust the pressure to ensure the quality of the liquid.

Benefits of technology

Effectively maintain the acidity of the acid-based solution, prevent the generation of salt, improve the working quality of the electro-hydraulic beam and the savings of the equipment, and ensure processing effect.

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Abstract

The present invention relates to the technical field of voltage regulating equipment, and discloses a high-precision electro-hydraulic beam liquid supply voltage regulating device with multiple pressures and multiple paths, including a substrate. A bracket is fixedly connected to the left side of the top of the substrate, and a voltage regulating component is fixedly connected to the top of the bracket. The number of the voltage regulating components is three. A first functional board is fixedly connected to the left side of the voltage regulating component, and a second functional board is fixedly connected to the right side of the voltage regulating component. The use of the permeable filter plate can filter the salts generated by the reaction of the acid-based liquid, thereby preventing the acid-based liquid carrying salts from being unable to quickly process metal objects due to the blockage of salts during the electro-hydraulic beam operation, thus improving the working quality of the equipment. Moreover, the combined use of the door panel, hinge and opening and closing handle enables the user to extract the salts filtered by the permeable filter plate, thereby reducing the waste of salts and improving the economy of the equipment.
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Description

Technical Field

[0001] The present invention relates to the technical field of voltage regulating equipment, and specifically relates to a high-precision electro-hydraulic beam liquid supply voltage regulating device with multiple pressures and multiple paths. Background Technique

[0002] The electro-hydraulic beam processing technology is a cold processing technology. It mainly supplies the acid-based solution to the power equipment through a liquid supply device. Then, under the action of an electric field, the acid-based solution is cathodized, and then sprayed onto the processed part through the capillary glass tube of the power equipment, and then small holes are formed on the processed part. In this process, the liquid supply voltage regulating device used for transporting the acid-based solution plays an extremely important role.

[0003] At present, the high-precision electro-hydraulic beam liquid supply voltage regulating device with multiple pressures and multiple paths on the market mainly consists of a substrate, a liquid infusion device, solenoid valves, a pressure gauge, and a liquid storage tank. Users need to first pour the acid-based solution into the interior of the liquid storage tank, then transport the liquid to multiple solenoid valves through the liquid infusion device, then detect the liquid pressure of multiple solenoid valves through the pressure gauge, and finally regulate the pressure through the solenoid valves. However, during the storage or transportation of the acid-based solution, it usually reacts with alkaline substances in oxygen, which reduces the acidity of the acid-based solution itself. Therefore, when the equipment transports the acid-based solution, due to the reduction of the acidity of the acid-based solution itself, the subsequent working quality of the acid-based solution will be reduced. Moreover, when the acid-based solution reacts with alkaline substances, a certain amount of salt will be generated. This salt body will reduce the contact area between the acid-based solution and the processed part during the electro-hydraulic beam work of the acid-based solution, thereby affecting the electro-hydraulic beam quality. It will also be directly discharged into the waste liquid by the user during recovery, thus causing the flow rate of the salt. Therefore, this application provides a high-precision electro-hydraulic beam liquid supply voltage regulating device with multiple pressures and multiple paths. Summary of the Invention

[0004] The technical problem solved by the present invention is that during the storage or transportation of the acid-based solution, it usually reacts with alkaline substances in oxygen, which reduces the acidity of the acid-based solution itself, and when the acid-based solution reacts with alkaline substances, a certain amount of salt will be generated, and this salt body will affect the subsequent working quality of the acid-based solution.

[0005] The technical solution of the present invention is a high-precision electro-hydraulic beam liquid supply and pressure regulating device with multiple pressures and multiple paths, including a substrate. On the left side of the top of the substrate, a bracket is fixedly connected. On the top of the bracket, a pressure regulating component is fixedly connected. The pressure regulating component includes a liquid passing plate. On the top of the liquid passing plate, a first motor is fixedly connected. At the bottom of the first motor, a first rotating rod is fixedly connected. At the bottom of the first rotating rod, a ball valve is fixedly connected. The number of the pressure regulating components is three. On the left side of the pressure regulating component, a first functional plate is fixedly connected. On the left side of the first functional plate, a liquid outlet pipe is fixedly connected. On the right side of the first functional plate, a liquid inlet pipe is fixedly connected. At the front end and the rear end of the inner cavity of the first functional plate, partitions are fixedly connected. On the right side of the pressure regulating component, a second functional plate is fixedly connected. At the center of the inner cavity of the second functional plate, a permeable filter plate is fixedly connected. On the left side of the second functional plate, a liquid passing pipe is fixedly connected. The outer surface of the liquid passing pipe is adapted to the inner surface of the liquid passing plate. At the center of the top of the substrate, an infusion component is fixedly connected. On the right side of the top of the substrate, a liquid storage tank is fixedly connected. At the bottom of the front end of the liquid storage tank, an acid-base detection device is fixedly connected. At the center of the top of the liquid storage tank, a mixing device is fixedly connected.

[0006] Preferably, a liquid inlet pipe is provided at the right side of the rear end of the top of the liquid storage tank. The liquid inlet pipe can be connected to external equipment, so that the acid-base liquid can enter the inside of the liquid inlet pipe through the external equipment in a sealed manner. On the inner surface of the right top of the liquid storage tank, a liquid adding tank is fixedly connected. The provision of the liquid adding tank allows the user to add high-concentration acid-base liquid into the liquid storage tank. The left side of the liquid adding tank is located inside the liquid storage tank.

[0007] Preferably, the infusion component includes a liquid pumping pump. The liquid pumping pump can pump the acid-base liquid inside the liquid storage tank through the liquid suction pipe, and then transmit it to the inside of the second functional plate through the liquid discharge pipe. On the right side of the liquid pumping pump, a liquid suction pipe is fixedly connected. The right side of the liquid suction pipe penetrates through the liquid storage tank and extends into its inside. On the left side of the liquid pumping pump, a liquid discharge pipe is fixedly connected. The left side of the liquid discharge pipe penetrates through the second functional plate and extends into its inside.

[0008] Preferably, the mixing device includes a second motor. The second motor can make the stirring rod mix and stir the two acid-base liquids inside the liquid storage tank. At the bottom of the second motor, a second rotating rod is fixedly connected. On the outer surface of the second rotating rod, a stirring rod is fixedly connected.

[0009] Preferably, the acid-base detection device includes an acid-base detector. The acid-base detector enables the acid-base detection rod to detect the acidity of the acid-base liquid inside the liquid storage tank, thereby preventing the acid-base liquid from being unable to perform the electro-hydraulic beam operation quickly due to its low acidity. A buzzer is fixedly connected to the top of the acid-base detector. The buzzer can perform a beeping alarm operation, thereby giving a prompt to the user. The acid-base detection rod is fixedly connected to the rear end of the acid-base detector, and the rear end of the acid-base detection rod penetrates through the liquid storage tank and extends into it.

[0010] Preferably, the bracket includes columns. The columns can support the cross plate. The number of the columns is two. A cross plate is fixedly connected between the two columns. The use of the cross plate can support and fix the pressure regulating component, thereby preventing the pressure regulating component from falling. The top of the cross plate is connected to the bottoms of the three pressure regulating components.

[0011] Preferably, a door panel is provided on the right side of the top of the second functional plate. Hinges are fixedly connected to the front end and the rear end of the left side of the top of the door panel. An opening and closing handle is fixedly connected to the right side of the top of the door panel. When the opening and closing handle is subjected to pressure, the door panel can be opened, thereby enabling the user to recycle the salt body at the permeable filter plate.

[0012] Preferably, the outer surface of the liquid inlet pipe is adapted to the inner surface of the liquid passing plate. A pressure detector is fixedly connected to the top of the first functional plate. The use of the pressure detector enables the pressure detection rod to detect the pressure. The number of the pressure detectors is three, and pressure detection rods are fixedly connected to the bottoms of the three pressure detectors.

[0013] Preferably, the number of the partition plates is two. The two partition plates divide the interior of the first functional plate into three chambers. The bottoms of the three pressure detection rods penetrate through the first functional plate and extend into the three chambers respectively. The three pressure detection rods extending into the three chambers through the first functional plate enable the pressure detection rods to detect the pressure in the three chambers.

[0014] The beneficial effects of the present invention are:

[0015] 1. The high-precision electro-hydraulic beam liquid supply and pressure regulating device with multiple pressures and multiple paths can allow external acid-based liquids to enter the interior of the liquid storage tank through the use of the liquid addition tank. The use of the acid-base detector enables the acid-base detection rod to detect the acidity and alkalinity of the liquid inside the liquid storage tank. When it detects a decrease in the acidity of the liquid, it can carry out a beeping alarm through the buzzer, enabling the user to add higher-concentration acid-based liquid into the liquid storage tank through the liquid inlet pipe. The use of the second motor enables the second rotating rod to drive the stirring rod to rotate, and then enables the stirring rod to mix and stir the liquid inside the liquid storage tank, thus enabling the higher-concentration acid-based liquid to be mixed with the acid-based liquid with reduced concentration. Therefore, when the liquid infusion component conducts liquid transmission, it can ensure that the acid-based liquid transmitted by the liquid infusion component is in an optimal state, thereby ensuring the working quality of the equipment.

[0016] 2. The high-precision electro-hydraulic beam liquid supply and pressure regulating device with multiple pressures and multiple paths can use the liquid extraction pump to enable the liquid extraction pipe to extract the acid-based liquid inside the liquid storage tank, and then transmit the liquid to the interior of the second functional plate through the liquid discharge pipe. The use of the permeable filter plate can filter the salts generated by the reaction of the acid-based liquid, thereby preventing the acid-based liquid carrying salts from being unable to quickly process metal objects due to the blockage of salts during the electro-hydraulic beam operation, thus improving the working quality of the equipment. The combined use of the door panel, hinge, and opening and closing handle allows the user to extract the salts filtered by the permeable filter plate, thereby reducing salt waste and improving the economy of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the main structure diagram of the present invention;

[0018] Figure 2 is the front cross-sectional view of the structure of the present invention;

[0019] Figure 3 is the structure of the present invention Figure 2 partial enlarged view;

[0020] Figure 4 is the top cross-sectional view of the structure of the present invention;

[0021] Figure 5 is the cross-sectional view of the structure of the present invention from the right side to the center of the first functional plate;

[0022] Figure 6 is the cross-sectional view of the structure of the present invention from the right side to the center of the liquid storage tank.

[0023] Wherein: 1. Substrate; 2. Bracket; 21. Support pillar; 22. Cross plate; 3. Pressure regulating assembly; 31. Liquid passing plate; 32. First motor; 33. First rotating rod; 34. Ball valve; 4. First functional plate; 41. Liquid outlet pipe; 42. Liquid inlet pipe; 43. Partition board; 44. Pressure detector; 45. Pressure detection rod; 5. Second functional plate; 51. Osmotic filter plate; 52. Liquid passing pipe; 53. Door panel; 54. Hinge; 55. Opening and closing handle; 6. Liquid infusion assembly; 61. Liquid pumping pump; 62. Liquid pumping pipe; 63. Liquid discharge pipe; 7. Liquid storage tank; 71. Liquid inlet pipe; 72. Liquid adding tank; 8. Acid-base detection device; 81. Acid-base detector; 82. Buzzer; 83. Acid-base detection rod; 9. Mixing device; 91. Second motor; 92. Second rotating rod; 93. Stirring rod. Detailed implementation manners

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 6 , a high-precision electro-hydraulic beam liquid supply and pressure regulating device with multiple pressures and multiple paths, including a substrate 1. A bracket 2 is fixedly connected to the left side of the top of the substrate 1. The bracket 2 includes support pillars 21. The use of the support pillars 21 can support and fix the cross plate 22, and then can cooperate with the cross plate 22 to support and fix three liquid passing plates 31. The number of support pillars 21 is two. A cross plate 22 is fixedly connected between the two support pillars 21. The top of the cross plate 22 is connected to the bottom of the three pressure regulating assemblies 3.

[0026] Wherein, a pressure regulating assembly 3 is fixedly connected to the top of the bracket 2. The pressure regulating assembly 3 includes a liquid passing plate 31. A first motor 32 is fixedly connected to the top of the liquid passing plate 31. The first motor 32 is a solenoid valve motor with the model JL-V0930-001 in the prior art. When the first motor 32 operates, it can make the first rotating rod 33 drive the ball valve 34 to rotate, and then can change the flow rate of the liquid inside the liquid passing plate 31, and further change the pressure of the liquid. A first rotating rod 33 is fixedly connected to the bottom of the first motor 32. A ball valve 34 is fixedly connected to the bottom of the first rotating rod 33.

[0027] Among them, the number of the pressure regulating components 3 is three. A first functional board 4 is fixedly connected to the left side of the pressure regulating component 3, and a second functional board 5 is fixedly connected to the right side of the pressure regulating component 3. A permeable filter plate 51 is fixedly connected to the center of the inner cavity of the second functional board 5. The use of the permeable filter plate 51 can filter the acid-based liquid at the second functional board 5, and then filter out the salt body generated by the reaction of the acid-based liquid. A liquid passing pipe 52 is fixedly connected to the left side of the second functional board 5. The liquid passing pipe 52 can cooperate with the second functional board 5 to divert the liquid inside the second functional board 5 to three liquid passing plates 31. The outer surface of the liquid passing pipe 52 is adapted to the inner surface of the liquid passing plate 31. A door plate 53 is opened on the right side of the top of the second functional board 5. Hinges 54 are fixedly connected to the front end and the rear end of the left side of the top of the door plate 53, and an opening and closing handle 55 is fixedly connected to the right side of the top of the door plate 53. When the opening and closing handle 55 is under pressure, the door plate 53 can be opened, and then the user can recycle the salt body at the permeable filter plate 51.

[0028] A liquid infusion component 6 is fixedly connected to the center of the top of the base plate 1. The liquid infusion component 6 includes a liquid extraction pump 61. The liquid extraction pump 61 is a pipeline centrifugal pump with the model of 20-110 in the prior art. When the liquid extraction pump 61 operates, the liquid extraction pipe 62 can extract the acid-based liquid inside the liquid storage tank 7, and then discharge it into the inside of the second functional board 5 through the liquid discharge pipe 63. A liquid extraction pipe 62 is fixedly connected to the right side of the liquid extraction pump 61. The right side of the liquid extraction pipe 62 penetrates through the liquid storage tank 7 and extends to its inside. A liquid discharge pipe 63 is fixedly connected to the left side of the liquid extraction pump 61. The left side of the liquid discharge pipe 63 penetrates through the second functional board 5 and extends to its inside.

[0029] A liquid storage tank 7 is fixedly connected to the right side of the top of the base plate 1. A liquid inlet pipe 71 is opened on the right side of the rear end of the top of the liquid storage tank 7. The opening of the liquid inlet pipe 71 allows the user to add liquid. A liquid adding tank 72 is fixedly connected to the inner surface of the right top of the liquid storage tank 7. The liquid adding tank 72 can be connected to external equipment, and then extract the external acid-based liquid. The left side of the liquid adding tank 72 is located inside the liquid storage tank 7.

[0030] At the bottom of the front end of the liquid storage tank 7, there is a fixed connection with an acid-base detection device 8. The acid-base detection device 8 includes an acid-base detector 81. The acid-base detector 81 is an acid-base detector with the model number 20-110 in the prior art. The acid-base detection rod 83 is a sensing rod body connected to the 20-110 acid-base detector. When the acid-base detector 81 operates upon receiving a signal from the upper computer, the acid-base detection rod 83 can detect the acidity and alkalinity inside the liquid storage tank 7, and then transmit the detection data to the upper computer. At the top of the acid-base detector 81, there is a fixed connection with a buzzer 82. The buzzer 82 is a buzzer with the model number YS-MEBZ2316 in the prior art. When the buzzer 82 receives an operation signal from the upper computer, it can perform a buzzer alarm operation. At the rear end of the acid-base detector 81, there is a fixed connection with an acid-base detection rod 83. The rear end of the acid-base detection rod 83 penetrates through the liquid storage tank 7 and extends into its interior.

[0031] At the center of the top of the liquid storage tank 7, there is a fixed connection with a mixing device 9. The mixing device 9 includes a second motor 91. The second motor 91 is a servo motor with the model number 180M-16030C5-EB in the prior art. When the second motor 91 operates, the second rotating rod 92 can drive the stirring rod 93 to perform a rotating operation. At the bottom of the second motor 91, there is a fixed connection with a second rotating rod 92. On the outer surface of the second rotating rod 92, there is a fixed connection with a stirring rod 93.

[0032] Please refer to Figure 4 and Figure 5 , on the left side of the first function board 4, there is a fixed connection with a liquid outlet pipe 41. On the right side of the first function board 4, there is a fixed connection with a liquid inlet pipe 42. The outer surface of the liquid inlet pipe 42 is adapted to the inner surface of the liquid passing board 31. At the front end and the rear end of the inner cavity of the first function board 4, there are fixed connections with partition plates 43. The number of partition plates 43 is two. The two partition plates 43 divide the interior of the first function board 4 into three chambers. The bottoms of the three pressure detection rods 45 penetrate through the first function board 4 and extend into the interiors of the three chambers respectively. At the top of the first function board 4, there is a fixed connection with a pressure detector 44. The pressure detector 44 is a pressure detector with the model number SPMK221S in the prior art. The pressure detection rod 45 is a sensing rod body connected to the SPMK221S pressure detector. When the pressure detector 44 operates, the pressure detection rod 45 can detect the liquid pressure inside the three chambers. The number of pressure detectors 44 is three. At the bottoms of the three pressure detectors 44, there are fixed connections with pressure detection rods 45.

[0033] Working principle: For this high-precision electro-hydraulic beam liquid supply and pressure regulating device with multiple pressures and multiple paths, during operation, it is necessary to first drain the acid-based liquid into the interior of the liquid storage tank 7 through the liquid addition tank 72, and then operate the acid-base detector 81. Subsequently, the acid-base detection rod 83 detects the acidity and alkalinity of the liquid inside the liquid storage tank 7. When it is detected that the acidity of the liquid decreases, the buzzer 82 can perform a beeping alarm operation, enabling the user to add a higher-concentration acid-based liquid into the liquid storage tank 7 through the liquid inlet pipe 71. Then, operate the second motor 91, and the second rotating rod 92 drives the stirring rod 93 to rotate, enabling the stirring rod 93 to mix and stir the liquid inside the liquid storage tank 7, so that the higher-concentration acid-based liquid is mixed with the acid-based liquid with reduced concentration. Then, operate the liquid extraction pump 61 to extract the acid-based liquid inside the liquid storage tank 7 through the liquid extraction pipe 62, and then the liquid can be transmitted to the interior of the second function board 5 through the liquid discharge pipe 63. Then, the liquid is divided into the interior of the liquid passing board 31 through the liquid passing pipe 52, and finally, the liquid is discharged to multiple external devices through the first function board 4 and the liquid outlet pipe 41 respectively. Among them, the permeable filter board 51 can filter the salts generated by the reaction of the acid-based liquid, preventing the acid-based liquid carrying salts. The use of the pressure detector 44 can detect the liquid pressure at the first function board 4. When the pressure is too high or too low, the first motor 32 can be operated, and the first rotating rod 33 drives the ball valve 34 to rotate, thereby changing the liquid pressure.

[0034] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-precision electro-hydraulic beam liquid supply and pressure regulating device with multiple pressures and multiple paths, comprising a substrate (1), characterized in that: On the left side of the top of the substrate (1), a bracket (2) is fixedly connected. On the top of the bracket (2), a pressure regulating component (3) is fixedly connected. The pressure regulating component (3) includes a liquid passing plate (31). On the top of the liquid passing plate (31), a first motor (32) is fixedly connected. At the bottom of the first motor (32), a first rotating rod (33) is fixedly connected. At the bottom of the first rotating rod (33), a ball valve (34) is fixedly connected. The number of the pressure regulating components (3) is three. On the left side of the pressure regulating component (3), a first functional plate (4) is fixedly connected. On the left side of the first functional plate (4), a liquid outlet pipe (41) is fixedly connected. On the right side of the first functional plate (4), a liquid inlet pipe (42) is fixedly connected. At the front end and the rear end of the inner cavity of the first functional plate (4), partition plates (43) are fixedly connected. On the right side of the pressure regulating component (3), a second functional plate (5) is fixedly connected. At the center of the inner cavity of the second functional plate (5), a permeable filter plate (51) is fixedly connected. On the left side of the second functional plate (5), a liquid passing pipe (52) is fixedly connected. The outer surface of the liquid passing pipe (52) is adapted to the inner surface of the liquid passing plate (31). At the center of the top of the substrate (1), an infusion component (6) is fixedly connected. On the right side of the top of the substrate (1), a liquid storage tank (7) is fixedly connected. At the bottom of the front end of the liquid storage tank (7), an acid-base detection device (8) is fixedly connected. At the center of the top of the liquid storage tank (7), a mixing device (9) is fixedly connected; On the right side of the rear end of the top of the liquid storage tank (7), a liquid inlet pipe (71) is provided. On the inner surface of the right top of the liquid storage tank (7), a liquid adding groove (72) is fixedly connected. The left side of the liquid adding groove (72) is located inside the liquid storage tank (7); The infusion component (6) includes a liquid pumping pump (61). On the right side of the liquid pumping pump (61), a liquid pumping pipe (62) is fixedly connected. The right side of the liquid pumping pipe (62) penetrates through the liquid storage tank (7) and extends into its interior. On the left side of the liquid pumping pump (61), a liquid discharging pipe (63) is fixedly connected. The left side of the liquid discharging pipe (63) penetrates through the second functional plate (5) and extends into the interior of the second functional plate (5); The mixing device (9) includes a second motor (91). At the bottom of the second motor (91), a second rotating rod (92) is fixedly connected. On the outer surface of the second rotating rod (92), stirring rods (93) are fixedly connected; The acid-base detection device (8) includes an acid-base detector (81). On the top of the acid-base detector (81), a buzzer (82) is fixedly connected. At the rear end of the acid-base detector (81), an acid-base detection rod (83) is fixedly connected. The rear end of the acid-base detection rod (83) penetrates through the liquid storage tank (7) and extends into its interior.

2. The high-precision electro-hydraulic beam liquid supply pressure regulating device with multiple pressures and multiple paths according to claim 1, wherein: The bracket (2) includes columns (21). The number of the columns (21) is two. Between the two columns (21), a cross plate (22) is fixedly connected. The top of the cross plate (22) is connected to the bottoms of the three pressure regulating components (3).

3. The high-precision electro-hydraulic beam liquid supply and pressure regulating device with multiple pressures and multiple paths according to claim 1, characterized in that: A door panel (53) is provided on the right side of the top of the second functional board (5). Hinges (54) are fixedly connected to the front end and the rear end of the left side of the top of the door panel (53), and an opening and closing handle (55) is fixedly connected to the right side of the top of the door panel (53).

4. A high-precision electro-hydraulic beam liquid supply pressure regulating device with multiple pressures and multiple paths according to claim 1, characterized in that: The outer surface of the liquid inlet pipe (42) is adapted to the inner surface of the liquid passing board (31). A pressure detector (44) is fixedly connected to the top of the first functional board (4). The number of the pressure detectors (44) is three, and pressure detection rods (45) are fixedly connected to the bottoms of the three pressure detectors (44).

5. The high-precision electro-hydraulic beam liquid supply pressure regulating device with multiple pressures and multiple paths according to claim 4, characterized in that: The number of the partition boards (43) is two. The two partition boards (43) divide the interior of the first functional board (4) into three chambers, and the bottoms of the three pressure detection rods (45) penetrate through the first functional board (4) and extend into the interiors of the three chambers respectively.

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