CN219189248U - Underwater continuous hydraulic grabbing beam pin pulling and releasing device - Google Patents

Abstract

The utility model provides a continuous type hydraulic pressure grabs roof beam and wears out round pin device under water, including hydraulic cylinder, the round pin axle, outer sleeve and magnetostriction displacement sensor, the right-hand member fixedly connected with end cover of outer sleeve, the left end of outer sleeve is uncovered, the left end fixed connection of outer sleeve is on the right side of the lug on right side, hydraulic cylinder coaxial arrangement is in the outer sleeve, the round pin axle sleeve is in the outside of hydraulic cylinder and coaxial sliding arrangement in the outer sleeve, the outer circumference of round pin axle and the interior circumference sliding contact of outer sleeve, the piston rod left end of hydraulic cylinder stretches into in the blind hole and with round pin axle fixed connection, the left end of round pin axle stretches out the left end of outer sleeve, magnetostriction displacement sensor supporting is installed on round pin axle and outer sleeve and is monitored the removal of round pin axle in succession. The utility model can judge the position of the pin shaft when the pin pulling-out device works and whether the pin pulling-out device is in place, so that the pin shaft position of the hydraulic grab beam pin pulling-out device is visible, the reliability is increased, and safer operation guarantee is provided for safe lifting of the gate.

Description

Underwater continuous hydraulic grabbing beam pin pulling and releasing device

Technical Field

The utility model belongs to the technical field of hydraulic engineering gate maintenance, unit overhaul or flood prevention, and particularly relates to an underwater continuous hydraulic grab beam threading and releasing pin device.

Background

In hydraulic engineering, especially in the processes of gate maintenance, unit overhaul or flood prevention of projects such as reservoirs, hydropower stations and hydraulic hubs, various gates are frequently required to be lifted by using a gate hoist or a trolley hoist, and most gates are out of water and cannot be directly and manually hung, so that a grabbing beam is required to be connected with the gates, the gates can be lifted, and the grabbing beam which is frequently used mainly comprises a mechanical grabbing beam and a hydraulic grabbing beam. The hydraulic grab beam is often used for working at the position with the water depth of about tens of meters to about hundreds of meters, the underwater working condition is complex, the water pressure is high, and along with the increase of the water depth, the hydraulic grab beam has higher requirements on the working reliability and safety.

Whether the hydraulic grab beam is put on or off in place is guaranteed by safe operation, if the operation is improper, the gate cannot be opened or closed, and a great safety accident can be caused, so that the underwater continuous hydraulic grab beam putting on or off pin device is specially designed.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the underwater continuous hydraulic grabbing beam pin pulling-out device, which can judge the position of a pin shaft and whether the pin pulling-out device is in place when the pin pulling-out device works, so that the pin shaft position of the hydraulic grabbing beam pin pulling-out device is visible, the reliability is improved, and safer operation guarantee is provided for safe lifting of a gate.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a continuous type hydraulic grab beam wears out round pin device under water, set up on two lugs of grab beam bottom, including hydraulic cylinder, the round pin axle, outer sleeve and magnetostriction displacement sensor, the central line coincidence of hydraulic cylinder, round pin axle and outer sleeve sets up along left and right sides level, the right-hand member fixedly connected with end cover of outer sleeve, the left end of outer sleeve is uncovered, the left end fixedly connected with of outer sleeve is on the right side of lug on the right side and with the coaxial corresponding setting of pinhole of lug, hydraulic cylinder sets up in the outer sleeve coaxially, hydraulic cylinder's piston rod stretches out to the left, hydraulic cylinder's cylinder body right-hand member passes the end cover and passes fastening bolt and fixed connection with the end cover, the blind hole of right side uncovered is seted up to the inside concentric center of round pin axle, the round pin axle cover is in the outside of hydraulic cylinder and coaxial slip setting in the outer sleeve, the piston rod left end of hydraulic cylinder stretches into in the blind hole and with round pin axle fixed connection, the left end of round pin axle stretches out the left end of outer sleeve, hydraulic cylinder drive round pin axle left and right movement is pegged graft with the pinhole of two lugs and realize wearing out round pin work, magnetostriction displacement sensor is supporting to be installed on round pin axle and outer sleeve and the lug and is monitored to the removal continuously.

The magnetostrictive displacement sensor comprises an electronic chamber, a waveguide tube and a magnetic ring, wherein the electronic chamber is arranged at the right end part of the upper side of the outer circumference of the outer sleeve through a fixing seat, the waveguide tube is horizontally arranged right above the outer sleeve along the left-right direction, the right end of the waveguide tube is connected to the middle part of the left side of the electronic chamber, a vertical support is fixedly arranged at the left end part of the upper side of the outer circumference of the outer sleeve, the left end of the waveguide tube penetrates through the upper side part of the vertical support and is fixedly supported on the vertical support, a long opening between the electronic chamber and the vertical support is formed in the upper side part of the outer circumference of the outer sleeve along the left-right direction, a stand column is fixedly arranged at the right end part of the upper side of the outer circumference of the pin shaft, the stand column penetrates through the long opening upwards and stretches out of the outer sleeve, and the magnetic ring is fixedly connected to the top of the stand column through a connecting frame and concentrically sleeved on the waveguide tube.

The right end of the cylinder body of the hydraulic cylinder is connected with a hydraulic pipeline which is connected with an external hydraulic station.

The upper part of the right side of the end cover is fixedly connected with a pull rod which is fixedly connected with the grab beam.

Compared with the prior art, the utility model has substantial characteristics and progress, specifically, the magnetostrictive displacement sensor is combined with the pin pulling and releasing device, the magnetic ring can be driven to move together when the pin pulling device is driven by the hydraulic oil cylinder to move, the magnetic ring can move along the waveguide, and according to the working principle of the magnetostrictive displacement sensor, the position of the pin pulling and releasing device can be judged by the magnetic ring when the pin pulling and releasing device works and whether the pin pulling and releasing device is in place, so that the pin pulling position of the hydraulic grab beam pin pulling and releasing device is visible, the reliability is increased, and safer operation guarantee is provided for safe lifting of the gate.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Detailed Description

Embodiments of the present utility model are further described below with reference to the accompanying drawings.

As shown in fig. 1, the underwater continuous hydraulic grab beam penetrating and releasing pin device is arranged on two lifting lugs 2 at the bottom of a grab beam 1 and comprises a hydraulic cylinder 14, a pin shaft 3, an outer sleeve 4 and a magnetostrictive displacement sensor, wherein the central lines of the hydraulic cylinder 14, the pin shaft 3 and the outer sleeve 4 are overlapped and horizontally arranged along the left and right directions, the right end of the outer sleeve 4 is fixedly connected with an end cover 5, the left end of the outer sleeve 4 is open, the left end of the outer sleeve 4 is fixedly connected to the right side surface of the lifting lug 2 on the right side and coaxially and correspondingly arranged with a pin hole of the lifting lug 2, the hydraulic cylinder 14 is coaxially arranged in the outer sleeve 4, a piston rod of the hydraulic cylinder 14 extends leftwards, the right end of a cylinder body of the hydraulic cylinder 14 penetrates through the end cover 5 and is fixedly connected with the end cover 5 through a fastening bolt 15, a blind hole (not shown in the figure) with the right side opening is concentrically arranged in the pin shaft 3, the pin shaft 3 is sleeved outside the hydraulic cylinder 14 and coaxially and slidably arranged in the outer sleeve 4, the outer circumference of the pin shaft 3 is slidably contacted with the circumference of the outer sleeve 4, the left end of the hydraulic cylinder 14 extends into the blind hole and is fixedly connected with the pin shaft 3, the left end of the outer sleeve 4 extends out of the left end of the outer sleeve 4 and coaxially and correspondingly arranged with the pin hole 3, the left end of the outer sleeve 4 extends beyond the left end 4, the left end of the lifting lug 4 and the left cylinder 4 is rotatably driven by the left cylinder 4 and continuously moves, and is rotatably driven by the pin rod 2 and is rotatably and rotatably arranged on the pin 4.

The magnetostrictive displacement sensor comprises an electronic chamber 6, a waveguide tube 7 and a magnetic ring 8, wherein the electronic chamber 6 is arranged at the right end part of the upper side of the outer circumference of the outer sleeve 4 through a fixing seat 9, the waveguide tube 7 is horizontally arranged right above the outer sleeve 4 along the left-right direction, the right end of the waveguide tube 7 is connected to the middle part of the left side of the electronic chamber 6, the left end part of the upper side of the outer circumference of the outer sleeve 4 is fixedly provided with a vertical support 10, the left end of the waveguide tube 7 penetrates through the upper side part of the vertical support 10 and is fixedly supported on the vertical support 10, the upper side part of the outer circumference of the outer sleeve 4 is provided with a long opening 11 positioned between the electronic chamber 6 and the vertical support 10 along the left-right direction, the right end part of the upper side of the outer circumference of the pin shaft 3 is fixedly provided with a stand column 12, the stand column 12 penetrates through the long opening 11 upwards and stretches out of the outer sleeve 4, and the magnetic ring 8 is fixedly connected to the top of the stand column 12 through a connecting frame 13 and is concentrically sleeved on the waveguide tube 7.

The right end of the cylinder body of the hydraulic cylinder 14 is connected with a hydraulic pipeline 16, and the hydraulic pipeline 16 is connected with an external hydraulic station (not shown).

The upper right part of the end cover 5 is fixedly connected with a pull rod 17 which is fixedly connected with the grab beam 1.

According to the utility model, the magnetostrictive displacement sensor is combined with the pin pulling-out and pulling-in device, when the pin pulling-in shaft 3 is driven to move through the hydraulic oil cylinder 14, the magnetic ring 8 can be driven to move together, the magnetic ring 8 moves along the waveguide 7, and according to the working principle of the magnetostrictive displacement sensor, the position of the pin pulling-in shaft 3 and whether the pin pulling-out and pulling-in are in place when the pin pulling-out and pulling-in device works can be judged through the magnetic ring 8, so that the position of the pin pulling-in shaft 3 of the hydraulic grab beam pin pulling-out device is visible, the reliability is improved, and safer operation guarantee is provided for safe lifting of a gate.

The magnetostrictive displacement sensor and the hydraulic station are both in the prior art, the specific structure and the working principle are not repeated, the signal control and the hydraulic control related by the utility model are both conventional technologies, and a new computer program is not related.

The above embodiments are merely for illustrating the technical aspects of the present utility model, and it should be understood by those skilled in the art that the present utility model is described in detail with reference to the above embodiments; modifications and equivalents may be made thereto without departing from the spirit and scope of the utility model, which is intended to be encompassed by the claims.

Claims (4)

1. The utility model provides a continuous type hydraulic pressure grab beam wears out round pin device under water, sets up on two lugs of grab beam bottom, its characterized in that: the hydraulic cylinder, the pin shaft and the central line of the outer sleeve are overlapped and horizontally arranged along the left-right direction, the right end of the outer sleeve is fixedly connected with an end cover, the left end of the outer sleeve is open, the left end of the outer sleeve is fixedly connected to the right side surface of a lifting lug on the right side and coaxially corresponds to a pin hole of the lifting lug, the hydraulic cylinder is coaxially arranged in the outer sleeve, a piston rod of the hydraulic cylinder stretches out leftwards, the right end of a cylinder body of the hydraulic cylinder penetrates through the end cover and is fixedly connected with the end cover through a fastening bolt, a blind hole with the open right side is concentrically arranged in the pin shaft, the pin shaft is sleeved outside the hydraulic cylinder and coaxially and slidably arranged in the outer sleeve, the outer circumference of the pin shaft is in sliding contact with the inner circumference of the outer sleeve, the left end of the piston rod of the hydraulic cylinder stretches into the blind hole and is fixedly connected with the pin shaft, the left end of the pin shaft stretches out of the left end of the outer sleeve, the hydraulic cylinder drives the pin shaft to move left and right to be in plug with the pin holes of the two lifting lugs to realize pin penetrating and releasing work, and the magnetostrictive displacement sensor is arranged on the pin shaft and the outer sleeve in a matched manner and continuously monitors the movement of the pin shaft.

2. The underwater continuous hydraulic grab beam pin pulling-out and pulling-in device according to claim 1, wherein: the magnetostrictive displacement sensor comprises an electronic chamber, a waveguide tube and a magnetic ring, wherein the electronic chamber is arranged at the right end part of the upper side of the outer circumference of the outer sleeve through a fixing seat, the waveguide tube is horizontally arranged right above the outer sleeve along the left-right direction, the right end of the waveguide tube is connected to the middle part of the left side of the electronic chamber, a vertical support is fixedly arranged at the left end part of the upper side of the outer circumference of the outer sleeve, the left end of the waveguide tube penetrates through the upper side part of the vertical support and is fixedly supported on the vertical support, a long opening between the electronic chamber and the vertical support is formed in the upper side part of the outer circumference of the outer sleeve along the left-right direction, a stand column is fixedly arranged at the right end part of the upper side of the outer circumference of the pin shaft, the stand column penetrates through the long opening upwards and stretches out of the outer sleeve, and the magnetic ring is fixedly connected to the top of the stand column through a connecting frame and concentrically sleeved on the waveguide tube.

3. The underwater continuous hydraulic grab beam pin pulling-out and pulling-in device according to claim 1, wherein: the right end of the cylinder body of the hydraulic cylinder is connected with a hydraulic pipeline which is connected with an external hydraulic station.

4. The underwater continuous hydraulic grab beam pin pulling-out and pulling-in device according to claim 1, wherein: the upper part of the right side of the end cover is fixedly connected with a pull rod which is fixedly connected with the grab beam.

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