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CN-224229001-U - Driving control assembly for electrohydraulic integrated push rod

CN224229001UCN 224229001 UCN224229001 UCN 224229001UCN-224229001-U

Abstract

The utility model discloses a driving control assembly for an electrohydraulic integrated push rod, which comprises a driving module, a valve block, an oil tank assembly and a PLC (programmable logic controller), wherein the valve block is arranged at the tail end of the oil tank assembly, the driving module comprises a driving motor, the driving motor is arranged at the rear end of the valve block, the controlled end of the driving motor is connected with the output end of the PLC, a motor shaft of the driving motor penetrates through the center of the valve block to be connected with a bidirectional gear pump, the bidirectional gear pump is arranged in the oil tank assembly, the front end of the oil tank assembly is provided with a mounting flange which is convenient to connect with a hydraulic cylinder, and the periphery of the tail end of the oil tank assembly is provided with an ear plate which is convenient to connect with the valve block.

Inventors

  • WANG JUNLONG
  • LIANG LIWEI
  • LI YANZHI

Assignees

  • 石家庄市液压有限责任公司

Dates

Publication Date
20260512
Application Date
20250623

Claims (10)

  1. 1. A driving control assembly for an electrohydraulic integrated push rod is characterized by comprising a driving module (210), a valve block (220), an oil tank assembly (230) and a PLC (programmable logic controller), wherein the valve block (220) is arranged at the tail end of the oil tank assembly (230), the driving module (210) comprises a driving motor (2100), the driving motor (2100) is arranged at the rear end of the valve block (220), a controlled end of the driving motor (2100) is connected with the output end of the PLC, a motor shaft of the driving motor (2100) penetrates through the center of the valve block (220) to be connected with a bidirectional gear pump (2102), the bidirectional gear pump (2102) is arranged inside the oil tank assembly (230), a mounting flange which is convenient to connect with a hydraulic cylinder is arranged at the front end of the oil tank assembly (230), and an ear plate (2307) which is convenient to connect with the valve block (220) is arranged at the periphery of the tail end of the oil tank assembly (230).
  2. 2. The drive control assembly for the electro-hydraulic integrated push rod, as set forth in claim 1, wherein the oil tank assembly (230) comprises an oil tank main body (2300), an oil tank inner cavity (2301) is arranged in the center of the oil tank main body (2300), two oil tank oil delivery pipes (2304) are arranged on the side wall of the oil tank main body (2300) in an opposite mode, oil outlets of the oil tank oil delivery pipes (2304) are respectively connected with oil pipes on the hydraulic cylinder, oil inlets of the oil tank oil delivery pipes (2304) are connected with the valve block (220), an oil suction pipe (2302) communicated with the bidirectional gear pump (2102) is arranged on the side wall of the oil tank main body (2300), and the other end of the oil suction pipe (2302) is communicated with the valve block (220).
  3. 3. The drive control assembly for the electro-hydraulic integrated push rod, as set forth in claim 2, wherein a base plug (240) is disposed at the front end of the oil tank cavity (2301), a piston (250) is mounted inside the oil tank cavity (2301) near the base plug (240), and the piston (250) is connected with the base plug (240) through a spring (260).
  4. 4. The drive control assembly for an electro-hydraulic integrated push rod according to claim 2, wherein a tank oil inlet pipe (2305) and a tank exhaust seat (2306) which are communicated with a tank inner cavity (2301) are further arranged on the side wall of the tank main body (2300), and the tank oil inlet pipe (2305) is communicated with the tank.
  5. 5. The drive control assembly for the electro-hydraulic integrated push rod, as set forth in claim 2, wherein the valve block (220) comprises a valve block main body (2200), a threaded joint (2201) in threaded connection with the inner wall of the tail end of the oil tank main body (2300) is arranged at the front end of the valve block main body (2200), an oil inlet (2203) communicated with an oil suction pipe (2302) on the side wall of the oil tank main body is arranged on the end face of the threaded joint (2201), an oil passing port (2204) communicated with an oil tank oil conveying pipe (2304) is arranged on the end face of the valve block main body (2200), the oil inlet (2203) is connected with the oil passing port (2204) through valve block oil conveying pipes (2207) arranged on the valve block main body (2200), and an overflow pipeline (2208) is further arranged in the valve block main body (2200), and the overflow pipeline (2208) is communicated with the inner cavity (2301).
  6. 6. The drive control assembly for the electro-hydraulic integrated push rod of claim 5, wherein a pressure sensor (2205) and a hydraulic joint (2206) are installed on the top end surface of the valve block main body (2200), a second one-way valve (2213), a third overflow valve (2214), a second hydraulic one-way valve (2215) and a third hydraulic one-way valve (2216) are installed on the front side surface of the valve block main body (2200), a first overflow valve (2209), a first one-way valve (2210), a second overflow valve (2211) and a first hydraulic one-way valve (2212) are installed on the rear side surface of the valve block main body (2200), the output end of the pressure sensor (2205) is connected with the input end of the PLC, and the controlled ends of the first overflow valve (2209), the first one-way valve (2210), the second overflow valve (2211), the first hydraulic one-way valve (2212), the second one-way valve (2213), the third overflow valve (2214), the second hydraulic one-way valve (2215) and the third hydraulic one-way valve (2216) are respectively connected with the output end of the PLC.
  7. 7. The drive control assembly for the electro-hydraulic integrated push rod, as set forth in claim 6, wherein an oil inlet of the first one-way valve (2210) is communicated with an oil tank cavity (2301), an oil outlet of the first one-way valve (2210) is communicated with a left oil inlet of the bidirectional gear pump (2102), a left oil outlet of the bidirectional gear pump (2102) is communicated with a left oil flow path, the left oil flow path is composed of a left valve block oil delivery pipe (2207) in the valve block (220), a left oil tank oil delivery pipe and a left long oil pipe in the hydraulic cylinder, and the second overflow valve (2211) is arranged on a left overflow pipe (2208) which is communicated with the left oil flow path and the oil tank cavity (2301).
  8. 8. The drive control assembly for the electro-hydraulic integrated push rod, as set forth in claim 6, wherein an oil inlet of the second one-way valve (2213) is communicated with an oil tank inner cavity (2301), an oil outlet of the second one-way valve (2213) is communicated with a right oil inlet of the bidirectional gear pump (2102), a right oil outlet of the bidirectional gear pump (2102) is communicated with a right oil flow path, the right oil flow path is composed of a right valve block oil conveying pipe (2207), a right oil tank oil conveying pipe and a right short oil pipe inside the hydraulic cylinder, and the second one-way valve (2215) and the third one-way valve (2216) are sequentially arranged on the right oil flow path.
  9. 9. The drive control assembly for an electro-hydraulic integrated push rod of claim 8, wherein the first overflow valve (2209) is arranged on a right high-pressure overflow pipeline (2208) which is communicated with a right oil flow path and an oil tank cavity (2301), the right high-pressure overflow pipeline (2208) is arranged on a right oil flow path positioned at the front end of a third hydraulic control one-way valve (2216) along the oil conveying direction, the third overflow valve (2214) is arranged on a right low-pressure overflow pipeline (2208) which is communicated with the right oil flow path and the oil tank cavity (2301), and the right low-pressure overflow pipeline (2208) is arranged on a right oil flow path close to a right oil outlet of a bidirectional gear pump along the oil conveying direction.
  10. 10. The drive control assembly for an electro-hydraulic integrated push rod according to claim 8, wherein the right oil flow path is communicated with an inner cavity (2301) of the oil tank through a branch pipe, the first hydraulic control one-way valve (2212) is arranged on the branch pipe, and the branch pipe is arranged on the front side of the right low-pressure overflow pipeline (2208) along the oil conveying direction.

Description

Driving control assembly for electrohydraulic integrated push rod Technical Field The utility model relates to the technical field of electro-hydraulic push rods, in particular to a drive control assembly for an electro-hydraulic integrated push rod. Background The electrohydraulic push rod is a hydraulic driving manipulator integrating machine, electricity and liquid, is suitable for reciprocating push-pull straight reciprocating rotation at a certain angle, is driven by a servo motor, a cylinder and the like in general, and is widely applied to the departments of metallurgy, mine, electric power, coal, machinery, traffic, grain, chemical industry, cement, water conservancy, building materials, transportation and the like. In the use process of the electro-hydraulic push rod, the servo motor is controlled to forward and reverse, the bidirectional gear pump is driven to forward and reverse output pressure oil, the pressure oil is sent to the oil cylinder through the hydraulic control valve, the reciprocating motion of the oil cylinder piston rod is also realized, and then the basic working mode of the hydraulic control valve is realized, but the hydraulic control valve and the bidirectional gear pump in the existing driving control assembly are mainly integrated with the hydraulic cylinder, and when the hydraulic control valve needs to be maintained, the whole equipment needs to be removed, so that the damaged driving control assembly cannot be maintained independently. Disclosure of utility model The utility model aims to solve the technical problem of providing a drive control assembly for an electrohydraulic integrated push rod, which can realize split connection of the drive control assembly and a hydraulic cylinder and further independently maintain the drive control assembly. In order to solve the technical problems, the technical scheme adopted by the utility model is as follows. The driving control assembly for the electrohydraulic integrated push rod comprises a driving module, a valve block, an oil tank assembly and a PLC (programmable logic controller), wherein the valve block is arranged at the tail end of the oil tank assembly, the driving module comprises a driving motor, the driving motor is arranged at the rear end of the valve block, a controlled end of the driving motor is connected with the output end of the PLC, a motor shaft of the driving motor penetrates through the center of the valve block to be connected with a bidirectional gear pump, the bidirectional gear pump is arranged inside the oil tank assembly, the front end of the oil tank assembly is provided with a mounting flange which is convenient to connect with a hydraulic cylinder, and the periphery of the tail end of the oil tank assembly is provided with an ear plate which is convenient to connect with the valve block. The driving control assembly for the electro-hydraulic integrated push rod comprises an oil tank main body, wherein an oil tank inner cavity is formed in the center of the oil tank main body, two oil tank oil delivery pipes which are arranged oppositely are arranged on the side wall of the oil tank main body, oil outlets of the oil tank oil delivery pipes are respectively connected with oil pipes on a hydraulic cylinder, oil inlets of the oil tank oil delivery pipes are connected with a valve block, an oil suction pipe communicated with a bidirectional gear pump is arranged on the side wall of the oil tank main body, and the other end of the oil suction pipe is communicated with the valve block. Above-mentioned drive control assembly for integrated push rod of electricity liquid, the front end of oil tank inner chamber is provided with the base end cap, and the oil tank inner chamber inboard that is close to the base end cap is installed the piston, passes through spring coupling between piston and the base end cap. Above-mentioned integrated push rod of electricity liquid is with drive control assembly, still be provided with on the oil tank main part lateral wall with oil tank oil feed pipe and the oil tank exhaust seat of oil tank inner chamber intercommunication, oil tank oil feed pipe and oil tank intercommunication. The driving control assembly for the electro-hydraulic integrated push rod comprises a valve block main body, wherein a threaded joint in threaded connection with the inner wall of the tail end of an oil tank main body is arranged at the front end of the valve block main body, an oil inlet communicated with an oil suction pipe on the side wall of the oil tank main body is formed in the end face of the threaded joint, an oil passing port communicated with an oil delivery pipe of the oil tank is formed in the end face of the valve block main body, the oil inlet and the oil passing port are respectively connected through the valve block oil delivery pipe arranged on the valve block main body, and an overflow pipeline is further arranged in the valve block main body and communicated with an inner ca