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CN-121974264-A - Hydraulic pump station with pressure protection structure and protection method thereof

CN121974264ACN 121974264 ACN121974264 ACN 121974264ACN-121974264-A

Abstract

The invention relates to the technical field of hydraulic pump stations and discloses a hydraulic pump station with a pressure protection structure and a protection method thereof, the hydraulic pump station comprises a hydraulic pump station, a jack is arranged at the side wall of the hydraulic pump station, a male head is fixedly connected at the side wall of a threaded pipe II, aiming at the problem that pressure imbalance is caused by residual air in a female head entering a hydraulic system when a self-sealing joint is spliced, a pressure mechanism is arranged in equipment, hydraulic oil in an inclined plane through hole flows into the position of the through hole and fills the inner space of the through hole when a sliding pipe slides towards the threaded pipe, then a worker loosens the sliding pipe, the through hole is overlapped with a flow groove again, the hydraulic oil in the through hole is discharged outwards through the sliding pipe, finally the hydraulic oil is accumulated at an annular groove position, so that the hydraulic oil accumulated in the female head is preferentially discharged out of gas in the female head when the female head is spliced with the male head, and the hydraulic oil is driven to synchronously flow when the subsequent liquid is prevented.

Inventors

  • ZHANG QIUSHENG
  • JI CHENGPENG
  • LI KUN
  • QIAO DANDAN
  • ZHANG LIMING

Assignees

  • 江苏西尔德建设工程有限公司

Dates

Publication Date
20260505
Application Date
20260123

Claims (10)

  1. 1. The utility model provides a hydraulic power unit with pressure protection structure, includes hydraulic power unit (13), jack (14) have been placed to the lateral wall department of hydraulic power unit (13), its characterized in that still includes: The auxiliary mechanism (1), the said auxiliary mechanism (1) is fixedly connected to the sidewall of the hydraulic pump station (13); the pressure mechanism (2) is connected to the inner wall of the auxiliary mechanism (1) in a sliding manner; the limiting mechanism (3) is fixedly connected to the inner wall of the auxiliary mechanism (1); The hydraulic pump station (13) is connected with the two jacks (14) through self-sealing joints, and the hydraulic pump station (13) controls synchronous expansion and contraction of the two jacks (14).
  2. 2. A hydraulic pump station with a pressure protection structure according to claim 1, characterized in that the auxiliary mechanism (1) comprises: The installation assembly (12), the said installation assembly (12) is fixedly connected to the outer wall of the hydraulic pump station (13); The connecting component (11) is clamped at the outer wall of the mounting component (12); The connecting assembly (11) is limited by conventional balls, the connecting assembly (11) and the mounting assembly (12) are spliced, and external hydraulic oil can enter the inner wall of the hydraulic pump station (13) through the auxiliary mechanism (1).
  3. 3. A hydraulic pump station with a pressure protection structure according to claim 2, characterized in that the pressure mechanism (2) comprises: The circulating assembly (21), the said circulating assembly (21) is fixedly connected to offer in the inner wall of the connecting assembly (11); -a sliding assembly (22), said sliding assembly (22) being slidingly connected at the inner wall of the flow-through assembly (21); Under normal conditions, the sliding component (22) and the limiting mechanism (3) block part of the position of the circulating component (21), so that the tightness of the connecting component (11) is ensured.
  4. 4. A hydraulic pump station with a pressure protection structure according to claim 3, characterized in that the limiting mechanism (3) comprises: a blocking assembly (31), the blocking assembly (31) being arranged at the inner wall of the auxiliary mechanism (1); the airtight assembly (32), the airtight assembly (32) is rotatably connected at the outer wall of the connecting assembly (11); Under normal conditions, the sealing component (32) cannot seal the circulation component (21), and when hydraulic oil in the equipment flows and the pressure is increased, the sealing component (32) seals the position of the circulation component (21).
  5. 5. The hydraulic pump station with the pressure protection structure according to claim 4, wherein the installation component (12) comprises a threaded pipe II (122) fixedly connected to the side wall of the hydraulic pump station (13), a male head (121) is fixedly connected to the side wall of the threaded pipe II (122), a fixed ring II (123) is fixedly connected to the inner wall of the male head (121), a spring II (124) is slidingly connected to the inner wall of the fixed ring II (123), and a blocking block II (125) is fixedly connected to the side wall of the spring II (124); the side wall of the second spring (124) is fixedly connected with a third spring, and in a normal state, the third spring is in a semi-compression state and forces the second blocking block (125) to be blocked on the inner wall of the male head (121); The connecting assembly (11) comprises a female head (111), a threaded pipe I (112) is fixedly connected to the side wall of the female head (111), a sliding pipe (113) is slidably connected to the outer wall of the female head (111), a fixed ring I (114) is fixedly connected to the inner wall of the threaded pipe I (112), a spring I (115) is fixedly connected to the side wall of the fixed ring I (114), a sliding plate I (116) is fixedly connected to one end, far away from the fixed ring I (114), of the spring I (115), and a blocking block I (117) is fixedly connected to the side wall of the sliding plate I (116); Wherein, the first spring (115) is in a half-compression state in normal state and continuously generates a pushing force outwards to force the first blocking block (117) to block the inner wall inclined surface of the female head (111).
  6. 6. The hydraulic pump station with the pressure protection structure according to claim 5, wherein the circulation assembly (21) comprises a sliding groove (211) formed at the inner wall of the female head (111), an inclined through hole (212) is formed at the side wall of the sliding groove (211), and a flow groove (213) is formed at the inner wall of the female head (111); Wherein, the circulation assembly (21) and the sliding assembly (22) are four groups and are uniformly distributed on the outer wall of the female head (111), and the sliding groove (211), the inclined plane through hole (212) and the flow groove (213) are in an intercommunicating state.
  7. 7. The hydraulic pump station with the pressure protection structure according to claim 5, wherein the sliding assembly (22) comprises a U-shaped plate (221) fixedly connected to the side wall of the sliding pipe (113), a flow hole (222) is formed in the bottom of the U-shaped plate (221), and a rubber plate (223) is fixedly connected to the outer wall of the flow hole (222); When the sliding tube (113) slides, the sliding tube (113) and the sliding assembly (22) are driven to slide in the same direction, and in the process, the rubber plate (223) slides along the inner wall of the sliding groove (211), and the flowing groove (213) and the flowing hole (222) are in an intercommunicating state in a normal state.
  8. 8. The hydraulic pump station with the pressure protection structure according to claim 5, wherein the plugging assembly (31) comprises an annular groove (311) formed in the inner wall of the female head (111), and a squeezing ring (312) is fixedly connected to the side wall of the male head (121); When a worker pulls the sliding tube (113), the spring in the sliding tube (113) drives the sliding tube (113) to reset, and in the process, hydraulic oil accumulated in the sliding assembly (22) is transmitted to the annular groove (311) through the sliding tube (113).
  9. 9. A hydraulic pump station with a pressure protection structure according to claim 5, wherein the sealing assembly (32) comprises a blocking plate (321) rotatably connected to the inner wall of the first sliding plate (116), and a sealing ring (322) is fixedly connected to the side wall of the blocking plate (321); The connecting position of the blocking plate (321) and the sliding plate I (116) is fixedly connected with a metal spring piece, the metal spring piece is in a compressed state in a normal state, and when the sliding plate I (116) slides, the metal spring piece can release potential energy to pop outwards.
  10. 10. A protection method of a hydraulic pump station with a pressure protection structure is provided, which is characterized by comprising the following steps of, The method comprises the following steps of S1, mounting equipment, namely, before use, placing a hydraulic pump station (13) and a jack (14) at a required position, and then connecting the hydraulic pump station (13) and the jack (14) through a high-pressure pipeline; And S2, controlling contraction, wherein the hydraulic pump station (13) can control the jack (14) to stretch and retract through a high-pressure pipeline.

Description

Hydraulic pump station with pressure protection structure and protection method thereof Technical Field The invention relates to the technical field of hydraulic pump stations, in particular to a hydraulic pump station with a pressure protection structure and a protection method thereof. Background The LXB intelligent synchronous continuous pushing system consists of a plurality of continuous pushing jacks, an intelligent synchronous hydraulic pump station and a main control console, wherein each two continuous pushing jacks are matched with one intelligent synchronous hydraulic pump station and are connected with a data acquisition cable through a high-pressure oil pipe, and the hydraulic pump stations are transmitted to the main control console through an Internet signal line. The main control platform carries out background logic calculation analysis combination through signals transmitted back by each liquefaction pressure pump station, then transmits each data control signal source back to the corresponding hydraulic pump station, the hydraulic pump station distributes signals to the relay through the PLC control element in the hydraulic pump station, then drives the electromagnetic reversing valve through the energizing and de-energizing signals of the relay to control the corresponding cylinder stretching and withdrawing actions, and the process forms a closed loop system capable of automatically adjusting various actions of the jack. The hydraulic system is connected by adopting a self-sealing joint, the female joint is spliced outside the male joint, in the working process, the end part of the female joint is in an inward concave shape, in the male joint inserting process, part of air originally in a concave position enters the hydraulic system, and when excessive air remains in the hydraulic system, the pressure imbalance between two continuous pushing jacks is caused, so that the following scheme is provided for the problems. Disclosure of Invention In order to solve the technical problems, the invention provides a hydraulic pump station with a pressure protection structure, which comprises a hydraulic pump station, wherein a jack is arranged at the side wall of the hydraulic pump station, and the hydraulic pump station further comprises: the auxiliary mechanism is fixedly connected to the side wall of the hydraulic pump station; The pressure mechanism is connected to the inner wall of the auxiliary mechanism in a sliding manner; The limiting mechanism is fixedly connected to the inner wall of the auxiliary mechanism; The hydraulic pump station is connected with the two jacks through the self-sealing connector, and the hydraulic pump station controls the synchronous expansion of the two jacks. Preferably, the auxiliary mechanism includes: the installation component is fixedly connected to the outer wall of the hydraulic pump station; The connecting component is clamped at the outer wall of the mounting component; the connecting assembly is limited by conventional balls, the connecting assembly and the mounting assembly are spliced, and external hydraulic oil can enter the inner wall of the hydraulic pump station through the auxiliary mechanism. Preferably, the pressure mechanism comprises: The circulating assembly is fixedly connected to the inner wall of the connecting assembly; The sliding component is connected to the inner wall of the circulation component in a sliding way; under normal state, the sliding component and the limiting mechanism are used for blocking part of the position of the circulating component, so that the tightness of the connecting component is ensured. Preferably, the restriction mechanism includes: The plugging assembly is arranged at the inner wall of the auxiliary mechanism; The airtight assembly is rotationally connected to the outer wall of the connecting assembly; Under normal conditions, the airtight assembly cannot seal the circulation assembly, and when hydraulic oil in the equipment flows and the pressure is increased, the airtight assembly seals the position of the circulation assembly. Preferably, the installation component comprises a threaded pipe II fixedly connected to the side wall of the hydraulic pump station, a male head is fixedly connected to the side wall of the threaded pipe II, a fixing ring II is fixedly connected to the inner wall of the male head, a spring II is slidably connected to the inner wall of the fixing ring II, and a blocking block II is fixedly connected to the side wall of the spring II; The second spring is fixedly connected with the third spring at the side wall of the second spring, and in a normal state, the third spring is in a semi-compression state and forces the second blocking block to be blocked on the inner wall of the male head; The connecting assembly comprises a female head, a threaded pipe I is fixedly connected to the side wall of the female head, a sliding pipe is slidably connected to the outer wall of the female