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CN-122014720-A - Oil cylinder synchronous amplifier of multi-path servo valve

CN122014720ACN 122014720 ACN122014720 ACN 122014720ACN-122014720-A

Abstract

The invention discloses an oil cylinder synchronous amplifier of a multi-path servo valve, which belongs to the field of amplifiers and mainly comprises a shell, a circuit board, a frame body, a first power connection plate, a second power connection plate, an inserting plate and a clamp mechanism. The invention relates to a circuit board wire disconnection-free wire disconnection device, which comprises a first board strip, a second board strip, a clamp mechanism, a single-side button, a push block, a control block, a fixed reed and other core transmission components, wherein the first board strip and the second board strip are arranged on an inserting plate, the clamp mechanism comprises a push block, the control block, the fixed reed and other core transmission components which are linked with the button, when the single-side button is pressed independently, the transmission hook is limited, the clamp block stretches out under the force of a spring to provide a non-interference independent wiring space, when the first-side double button is pressed simultaneously, the push block group jointly presses the control block to stretch into an adjacent amplifier through the push rod transmission inserting plate to realize cascade power supply, the potential safety hazard of parallel wiring is avoided, and when the second-side double button is pressed simultaneously, the push block group presses the fixed reed to unlock a frame body, the wire disconnection-free wire disconnection device is simple in circuit, the potential safety hazard is reduced, and the maintenance is simple and convenient, and the efficiency is improved.

Inventors

  • SHAO JIANGBO
  • ZHAO SHIJIAN
  • XU ZHOUZHOU
  • ZHAO XINBO
  • WEI DENGKE

Assignees

  • 杭州励贝电液科技有限公司

Dates

Publication Date
20260512
Application Date
20260312

Claims (10)

  1. 1. The oil cylinder synchronous amplifier of the multi-path servo valve is characterized by comprising: The shell (1), the said shell (1) has connecting grooves (3); the frame body (4) is positioned in the shell (1); The circuit board (55) is fixedly connected to the frame body (4) and is positioned in the shell (1); A first power receiving plate (48) and a second power receiving plate (49) which are positioned in the shell (1), wherein the first power receiving plate (48) and the second power receiving plate (49) are electrically connected with the circuit board (55); The plugboard (43) is arranged in the shell (1) in a sliding manner along the front-back direction, a first lath (44) and a second lath (45) are arranged on the plugboard (43), the first lath (44) is electrically connected with the first electric connection plate (48), and the second lath (45) is electrically connected with the second electric connection plate (49); two groups of clamp mechanisms are respectively arranged on the first side and the second side of the shell (1); The clamping mechanism comprises a first button (21), a second button (23) and two groups of clamping jaw assemblies corresponding to the first button (21) and the second button (23) respectively, wherein the first button (21) and the second button (23) are both in sliding connection with the shell (1); the clamp mechanism further comprises a first push block (25) and a second push block (27) which are respectively linked with the lower ends of the first button (21) and the second button (23), and a hook (14) which is rotatably arranged in the shell (1); When the first button (21) or the second button (23) is pressed independently, the corresponding first pushing block (25) or the second pushing block (27) is driven to trigger the hook (14) to deflect so as to release the limit of the corresponding clamp block (8), and the clamp block (8) extends out of the shell (1); A control block (33) and a push rod (42) which is linked with one end of the plugboard (43) are arranged below the clamp mechanism corresponding to the first side in the shell (1), when the first button (21) and the second button (23) on the first side are pressed simultaneously, the first push block (25) and the second push block (27) on the first side jointly press down the control block (33), and the plugboard (43) is driven by the push rod (42) to extend outwards into the connecting groove (3) of the adjacent amplifier; The fixed reed (51) used for locking the frame body (4) is arranged below the clamp mechanism corresponding to the second side in the shell (1), and when the first button (21) and the second button (23) on the second side are pressed simultaneously, the first push block (25) and the second push block (27) on the second side are pressed down together and drive the fixed reed (51) to elastically deform so as to release the locking of the fixed reed (51) and the frame body (4).
  2. 2. The cylinder synchronous amplifier of the multi-way servo valve according to claim 1, wherein the control block (33) is slidably arranged in the shell (1) and positioned below the clamp mechanism at the first side, a hook plate (34) is arranged below the control block (33), and a hook plate inclined plane (35) is arranged at the front side of the hook plate (34); the amplifier further comprises an unlocking plate (36), wherein the unlocking plate (36) is arranged on the control block (33) in a sliding mode and is located above the hook plate (34), and an unlocking inclined plane (37) is arranged on the front side of the unlocking plate (36).
  3. 3. The cylinder synchronous amplifier of a multi-way servo valve according to claim 2, wherein the amplifier further comprises a lock pin (38) and a lock pin spring (40); The lock pin (38) is positioned at the front side of the control block (33), and a lock pin inclined plane (39) which can be matched with the hook plate inclined plane (35) and the unlocking inclined plane (37) is arranged at the rear side of the lock pin (38); The lock pin spring (40) is located in the housing (1) and is used for driving the lock pin (38) to move backwards so as to position the control block (33).
  4. 4. The cylinder synchronous amplifier of the multi-way servo valve according to claim 1, wherein the amplifier further comprises a connecting rod (41) and a tension spring (50); The lower end of the push rod (42) is rotatably connected in the shell (1), and the upper end of the push rod (42) is propped against the plugboard (43); One end of the connecting rod (41) is hinged with the control block (33), and the other end of the connecting rod is hinged with the push rod (42); One end of the tension spring (50) is rotationally connected with the shell (1), and the other end of the tension spring is rotationally connected with the plugboard (43) and is used for driving the plugboard (43) to move towards the direction of shrinking into the shell (1).
  5. 5. The cylinder synchronous amplifier of a multi-way servo valve as set forth in claim 1, wherein said clamp mechanism further comprises a first pawl torsion spring (29), a second pawl torsion spring (30), a first button spring (31) and a second button spring (32); The lower end of the first button (21) is provided with a first limiting pin (22), and the lower end of the second button (23) is provided with a second limiting pin (24); The first push block (25) is hinged with the lower end of the first button (21), a first pawl (26) is arranged at the upper end of the first push block (25), the second push block (27) is hinged with the lower end of the second button (23), and a second pawl (28) is arranged at the upper end of the second push block (27); The first pawl torsion spring (29) is positioned in the first push block (25) and used for driving the first push block (25) to rotate towards the direction that the first pawl (26) approaches the first limiting pin (22), and the second pawl torsion spring (30) is positioned in the second push block (27) and used for driving the second push block (27) to rotate towards the direction that the second pawl (28) approaches the second limiting pin (24); the first button spring (31) and the second button spring (32) are respectively arranged below the corresponding buttons and used for driving the buttons to reset.
  6. 6. The cylinder synchronous amplifier of the multi-way servo valve according to claim 5, wherein the clamping jaw assembly further comprises a clamping jaw (16), a chute pin (17), a lifting plate (11), a lifting spring (13) and a hook torsion spring (15); the clamp block (8) is in sliding connection with the position grooves (2), and the clamp block (8) is provided with a control groove group consisting of vertical grooves (10) and inclined grooves (9) which are communicated with each other; The clamping jaw (16) is rotationally connected with the clamp block (8), and the chute pin (17) is fixedly arranged in the position groove (2) and is in sliding fit with the control groove group; The lifting plate (11) is arranged below the clamp block (8) in a sliding manner, the upper end of the lifting plate (11) is hinged with the clamp block (8), and the lower end of the lifting plate is provided with a limiting groove (12); the hook torsion spring (15) is arranged in the hook (14) and used for driving the hook (14) to rotate towards the direction extending into the limit groove (12); The lifting spring (13) is positioned in the shell (1) and is used for driving the lifting plate (11) to move upwards after the lifting plate is released from limit.
  7. 7. The cylinder synchronous amplifier of the multi-way servo valve as set forth in claim 1, wherein the amplifier further comprises a runner plate (46); The chute plate (46) is fixedly arranged in the shell (1), and the first power connection plate (48) and the second power connection plate (49) are fixedly arranged on the chute plate (46); a sliding groove (47) is arranged below the sliding groove plate (46), and the inserting plate (43) is connected with the sliding groove (47) in a sliding mode.
  8. 8. The oil cylinder synchronous amplifier of the multi-way servo valve according to claim 1, wherein the frame body (4) is provided with a fixed block (7); the fixed reed (51) is fixedly arranged in the shell (1), a fixed hook (54) is arranged on the fixed reed (51), and the fixed hook (54) is positioned above the fixed block (7) to lock the frame body; the fixed reed (51) is also provided with a driving inclined plane (52) and a reed inclined plane (53), and the first pushing block (25) and the second pushing block (27) on the second side can jointly press down the driving inclined plane (52).
  9. 9. The cylinder synchronous amplifier of the multi-way servo valve according to claim 1, wherein the clamping jaw assembly further comprises a contact (6), a power receiving sleeve (18), a power receiving rod (19) and a power receiving spring (20); A support plate (5) is arranged on the frame body (4), and a contact piece (56) is arranged on the clamp block (8); The contact (6) is fixedly connected to the support plate (5), and the contact (6) is electrically connected with the circuit board (55); the power receiving sleeve (18) is arranged in the shell (1) in a sliding manner, and the power receiving sleeve (18) is propped against the contact piece (56); The electric connection rod (19) is arranged in the shell (1) in a sliding way, the electric connection rod (19) is connected with the electric connection sleeve (18) in a sliding way, and the electric connection rod (19) is propped against the contact (6); the power receiving spring (20) is arranged in the power receiving rod (19) and is used for driving the power receiving rod (19) and the power receiving sleeve (18) to move in a direction away from each other and providing a pressing force.
  10. 10. The cylinder synchronous amplifier of a multi-way servo valve as set forth in claim 9, wherein said first button (21) is electrically connected to said first power receiving plate (48) corresponding to said power receiving rod (19) in said jaw assembly and said second button (23) is electrically connected to said second power receiving plate (49) corresponding to said power receiving rod (19) in said jaw assembly, within said fixture mechanism on a first side of said housing (1).

Description

Oil cylinder synchronous amplifier of multi-path servo valve Technical Field The invention belongs to the technical field of amplifiers, and particularly relates to an oil cylinder synchronous amplifier of a multi-way servo valve. Background The amplifier is a special controller for driving and controlling the electrohydraulic servo valve. The function of the servo valve is to compare, amplify and calculate the input command signal (voltage) and the system feedback signal (voltage), and then output a control current proportional to the deviation voltage signal to the servo valve torque motor control coil, so as to control the valve core opening of the servo valve. The electrohydraulic servo valve with amplifier is matched with various hydraulic equipment and measuring sensor to form electrohydraulic servo system for controlling position, speed, acceleration, force, etc. In a system for controlling an oil cylinder to synchronously stretch out and draw back by using a multi-path servo valve, an oil cylinder synchronous amplifier of the multi-path servo valve is a core element of an electrohydraulic servo control system, can control high-power hydraulic energy output by means of low-power electric signals and plays a key role in static and dynamic characteristics of the system, however, the existing multi-path servo valve oil cylinder synchronous amplifier exposes significant defects in practical engineering application: When the oil cylinder synchronous amplifier of the existing multi-path servo valve is used, a plurality of wires are required to be connected, because the existing structure of the amplifier causes the distance between the wires to be too short and the space to be narrow, the wires are difficult to connect and detach, and a large amount of time is required to be consumed. In the existing oil cylinder synchronous telescopic system, a plurality of oil cylinders need to be controlled to synchronously telescopic by a plurality of multi-path servo valves, and each multi-path servo valve needs to be controlled by an amplifier. In the prior art, these amplifiers are generally connected to the same power supply through wires, so that the number of wires is large, the circuit is complex, the situation that a plurality of wires are connected to one connection point cannot be avoided, the operation is complex when the wires are connected, and a large potential safety hazard occurs. In the prior art, when the amplifier is maintained, all wires connected with the amplifier are required to be removed, the amplifier can be taken out from the electric control cabinet for maintenance, and all wires are required to be reconnected after the maintenance, so that the amplifier needs to be connected with a plurality of electric elements, and the wires are numerous, so that the maintenance work is heavy and the efficiency is low. Disclosure of Invention The technical problem to be solved is that the oil cylinder synchronous amplifier of the multi-way servo valve can solve the above-mentioned problems. In order to achieve the purpose, the oil cylinder synchronous amplifier of the multi-way servo valve adopts the following technical scheme that the oil cylinder synchronous amplifier comprises a shell, wherein a connecting groove is formed in the shell; the frame body is positioned in the shell; the circuit board is fixedly connected to the frame body and is positioned in the shell; the first power connection plate and the second power connection plate are positioned in the shell, the first power connection plate and the second power connection plate are electrically connected with the circuit board, the plugboard is arranged in the shell in a sliding mode along the front-back direction, a first lath and a second lath are arranged on the plugboard, the first lath is electrically connected with the first power connection plate, the second lath is electrically connected with the second power connection plate, two groups of clamp mechanisms are respectively arranged on the first side and the second side of the shell (1), each clamp mechanism comprises a first button, a second button and two groups of clamping jaw assemblies corresponding to the first button and the second button respectively, the first button and the second button are respectively connected with the shell in a sliding mode, each clamping jaw assembly comprises a clamp block connected with the shell in a sliding mode, each clamp mechanism further comprises a first push block and a second push block respectively connected with the lower ends of the first button and the second button, and a hook is arranged in the shell in a rotating mode, when the clamp mechanisms are arranged in the shell in a rotating mode, the first push block and the hook are respectively corresponding to the first push block and the second push block are respectively, and the hook is respectively pushed down, and when the first push block and the hook are respectively pushed down, the