CN218865495U

CN218865495U - Monitoring and early warning tool capable of freely moving vertical pipe valve in rotation prevention mode

Info

Publication number: CN218865495U
Application number: CN202223093811.XU
Authority: CN
Inventors: 刘鹏龙; 王啸; 郭贤光
Original assignee: State Grid Henan Baoquan Pumped Storage Co ltd; State Grid Xinyuan Co Ltd
Current assignee: State Grid Henan Baoquan Pumped Storage Co ltd; State Grid Xinyuan Co Ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-04-14
Anticipated expiration: 2032-11-22

Abstract

The utility model provides a monitoring early warning instrument is prevented changeing by free movable standpipe valve, including base, swing mechanism, the grating body, laser emitter and laser receiver, swing mechanism installs and puts at base upper portion central point, swing mechanism includes the core bar, and the upper end vertical fixation of this core bar has the pendulum rod, installs the pilot pin at the end of pendulum rod, has installed the grating body at the lower extreme of core bar, laser emitter and laser receiver are located the upside and the downside of the grating body respectively and correspond the position. The utility model discloses the instrument can remove at any time and settle in the peripheral region of valve fixed, and can contact with the amplitude rod of best pendulum rod angle and valve, forms the combination that detects valve pivoted.

Description

Monitoring and early warning tool capable of freely moving vertical pipe valve in rotation prevention mode

Technical Field

The utility model belongs to the technical field of pumped storage valve control, concretely relates to monitoring early warning instrument is prevented changeing by free movable standpipe valve.

Background

The pipeline laying in the pumped storage underground factory building is increasingly complex, the number of valves on the pipeline is large, and the unit is frequently started and stopped, so that the number of unstable transition process conditions of the unit is large, the unit vibrates greatly in the transition process operation process, and the problem of valve loosening is also caused, and normal pipeline operation is influenced.

Because the pipelines are more, the number of valves installed on each pipeline is large, the problem of valve looseness is often difficult to monitor, the problem of valve inversion is easy to occur, accidents are caused, and a tool capable of flexibly and movably monitoring any important valve in real time is needed.

SUMMERY OF THE UTILITY MODEL

To in the present pumped storage field, the pipeline is more and valve is in large quantity, is difficult to the supervision, appears the valve easily and reverses the problem, causes the problem of accident, the utility model provides a monitoring early warning instrument is prevented changeing by free movable standpipe valve can remove at any time and settle in the peripheral region of valve fixed, and can contact with the amplitude rod of best pendulum rod angle and valve, forms the combination that detects valve pivoted.

The utility model provides a scheme that its technical problem adopted is: the utility model provides a monitoring early warning instrument is prevented changeing by free movable standpipe valve, includes base, swing mechanism, the grating body, laser emitter and laser receiver, swing mechanism installs and puts at base upper portion central point, swing mechanism includes the core bar, and the upper end vertical fixation of this core bar has the pendulum rod, installs the pilot pin at the end of pendulum rod, installs the grating body at the lower extreme of core bar, laser emitter and laser receiver are located the upside and the downside of the grating body respectively and correspond the position.

And a magnet is fixedly arranged below the base, and the tool can be attracted to any proper position close to the valve through the magnet.

The upper part of the base is provided with a closed accommodating chamber, the center of the accommodating chamber is provided with a fixed sleeve, a composite outer pipe is sleeved in the fixed sleeve in a matching way, and a limit stop table is arranged between the fixed sleeve and the composite outer pipe, so that the fixed sleeve and the composite outer pipe can only rotate but can not axially move; the core rod is sleeved in the composite outer tube in a matching mode, and the side faces of the composite outer tube and the core rod are provided with convex-concave embedded structures along the axial direction or are milled with planes, so that the composite outer tube and the core rod can only stretch along the axial direction and cannot rotate. And furthermore, the outer side of the composite outer pipe is provided with a locking wire, the composite outer pipe and the core rod can be locked by the locking wire, and the composite outer pipe and the core rod cannot axially move in a locking state.

The upper end of the core rod is vertically fixed with a swing rod, the tail end of the swing rod is fixed with a needle seat, and a positioning needle is vertically arranged below the needle seat.

The grating body is a sector, the upper surface and the lower surface of the grating body are respectively sector, and a series of through seams are uniformly distributed between the upper surface and the lower surface at equal angles.

The laser transmitter and the laser receiver are respectively connected with signal lines, and each signal line is respectively connected with a signal sending end and a signal receiving end of the controller. The controller controls the buzzer to send out an alarm signal according to the trigger signal of the laser receiver.

The core bar is fixedly connected with the grating body through a connecting rod, a hanging hole is formed in the middle of the connecting rod, and tension springs are connected to two sides of the hanging hole respectively to form a balance repulsion relationship.

And an anchor ear is fixed below the base and is fixed with the pipe body through the anchor ear. A limit stop is fixed in the accommodating chamber.

The utility model has the advantages that: the utility model discloses the instrument can remove at any time and settle in the peripheral region of valve fixed, and can contact with the amplitude rod of best pendulum rod angle and valve, forms the combination that detects valve pivoted.

The utility model discloses a grating can the small condition of rotating of high accuracy detection valve to provide detected signal.

The utility model discloses can remove the instrument during use and adsorb near valve suitable position, then rotate the core bar and reach suitable angle, loosen the lock silk again, with the outside pulling of core bar, the outside pulling of pendulum rod and the pilot pin of writing strides the inside locking again behind the valve bracelet, makes the auxiliary rod of pilot pin laminating valve, screws up the lock silk, is in monitoring status.

Drawings

Fig. 1 is the appearance structure diagram of the monitoring and early warning tool of the utility model.

Fig. 2 is a diagram showing the installation relationship of the grating body in fig. 1.

Fig. 3 is a state diagram of the use of the grating body of fig. 2.

Reference numbers in the figures: the device comprises a base 1, an accommodating chamber 2, a fixing sleeve 3, a composite outer tube 4, a core rod 5, a locking wire 6, a swing rod 7, a needle seat 8, a positioning needle 9, a grating body 10, a laser transmitter 11, a laser receiver 12, a connecting rod 13, a tension spring 14 and a magnet 15.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Example 1: the utility model provides a tool for being used for carrying out monitoring early warning to pumped storage power station pipeline valve as shown in figure 1 to the present pumped storage lacks the effective instrument to pipeline valve detection to and there is the precision difference in current instrument, problem and the improvement of easy erroneous judgement. The monitoring and early warning tool can freely movably prevent the rotation of the vertical pipe valve and is mainly composed of a base 1, a magnet 15, a swing mechanism, a grating body 10, a laser transmitter 11, a laser receiver 12 and the like.

Specifically, as shown in fig. 1, a disc is adopted as the base 1, a magnet 15 is fixedly arranged below the disc, and the tool can be attracted to any suitable position close to the valve through the magnet 15.

The upper part of the base 1 is provided with a closed containing chamber 2, the center of the containing chamber 2 is provided with a fixed sleeve 3, a composite outer tube 4 is sleeved in the fixed sleeve 3 in a matching way, and a limit stop table is arranged between the fixed sleeve 3 and the composite outer tube 4, so that the fixed sleeve 3 and the composite outer tube can only rotate but cannot move axially.

The core rod 5 is sleeved in the composite outer tube 4 in a matching manner, and the side surfaces of the composite outer tube 4 and the core rod 5 are provided with convex-concave mosaic structures along the axial direction or are milled with planes, so that the composite outer tube and the core rod can only stretch along the axial direction but cannot rotate. And furthermore, the outer side of the composite outer tube 4 is provided with a locking wire 6, the composite outer tube 4 and the core rod 5 can be locked through the locking wire 6, and the locking wire and the core rod cannot move axially in a locking state.

A swing rod 7 is vertically fixed at the upper end of the core rod 5, a needle seat 8 is fixed at the tail end of the swing rod 7, and a positioning needle 9 is vertically installed below the needle seat 8. When the positioning needle is used, the positioning needle 9 is tightly attached to one side of the amplitude rod rotating direction of the valve, and when the utility model rotates reversely, the positioning needle 9 is driven to move at first.

A grating body 10 is mounted at the lower end of the composite outer tube 4, specifically, a fan-shaped grating body 10 as shown in fig. 2 is mounted in the accommodating chamber 2. As can be seen, the grating body 10 is a sector, the upper surface and the lower surface of the grating body are respectively a sector, and a series of through slits are uniformly distributed between the upper surface and the lower surface at equal angles.

As shown in fig. 3, a laser transmitter 11 is located above the grating body 10, a laser receiver 12 is located below the grating body, and the laser transmitter 11 and the laser receiver 12 are respectively located at corresponding positions on the upper side and the lower side of the grating body 10. As can be seen from fig. 1, the laser transmitter 11 is fixed at a perforated position above the housing chamber and the laser receiver 12 is fixed at the bottom of the housing chamber 2. The laser transmitter 11 and the laser receiver 12 are respectively connected to signal lines, and each signal line is respectively connected to a signal sending end and a signal receiving end of the controller. The controller controls the buzzer to send out an alarm signal according to the trigger signal of the laser receiver 12.

When the tool is used, the tool is moved and adsorbed to a proper position near the valve (due to the fact that the position of a width rod of the valve is uncertain, the tool is fixed to the proper position through moving, the swinging position of the swing rod 7 and the positioning needle 9 is facilitated), then the core rod 5 is rotated to a proper angle, the locking wire 6 is loosened, the core rod 5 is pulled outwards, the written swing rod 7 and the writing positioning needle 9 are pulled outwards, the locking wire is locked inwards after the swing rod and the writing positioning needle cross over a valve bracelet, the positioning needle 9 is attached to an auxiliary rod of the valve, the locking wire is screwed, and the tool is in a monitoring state.

Example 2: in example 1, as shown in fig. 2, the core bar 5 is fixedly connected to the grating body 10 through a connecting rod 13, a hanging hole is formed in the middle of the connecting rod 13, and tension springs 14 are connected to both sides of the hanging hole, respectively, so as to form a balanced repulsion relationship.

Example 3: the hoop is fixed below the base 1 and fixed with the pipe body through the hoop. A limit stop is fixed in the accommodating chamber 2, and when the railing 13 swings for a certain angle, the railing contacts with the limit stop and does not rotate any more, so that the swing rod 7 and the positioning needle 9 can form a locking relation with a width rod of the valve.

It should be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a monitoring early warning instrument is prevented changeing by free mobile standpipe valve, its characterized in that includes base (1), swing mechanism, grating body (10), laser emitter (11) and laser receiver (12), swing mechanism installs and puts at base (1) upper portion central point, swing mechanism includes core bar (5), and the upper end vertical fixation of this core bar (5) has pendulum rod (7), installs pilot pin (9) at the end of pendulum rod (7), installs grating body (10) at the lower extreme of core bar (5), laser emitter (11) and laser receiver (12) are located the upside and the downside corresponding position of grating body (10) respectively.

2. The tool for monitoring and warning against rotation of a standpipe valve, which can be freely moved, as claimed in claim 1, wherein a magnet (15) is fixedly mounted below the base (1), and the tool can be attracted to any suitable position close to the valve by the magnet (15).

3. The anti-rotation monitoring and early warning tool for the freely movable standpipe valve as claimed in claim 1, wherein a closed accommodating chamber (2) is provided at the upper part of the base (1), a fixed sleeve (3) is provided at the center of the accommodating chamber (2), a composite outer tube (4) is fittingly sleeved in the fixed sleeve (3), and a limit stop table is provided between the fixed sleeve (3) and the composite outer tube (4) to enable the fixed sleeve and the composite outer tube to rotate but not to move axially; the core rod (5) is sleeved in the composite outer tube (4) in a matching mode, the side faces of the composite outer tube (4) and the core rod (5) are provided with convex-concave embedded structures along the axial direction, or planes are milled, so that the composite outer tube (4) and the core rod can only stretch out and draw back along the axial direction and cannot rotate, the locking wire (6) is further installed on the outer side of the composite outer tube (4), the composite outer tube (4) and the core rod (5) can be locked through the locking wire (6), and the locking wire and the core rod cannot move axially under the locking state.

4. The tool for monitoring and warning against rotation of a standpipe valve, which is freely movable, according to claim 1, is characterized in that a swing rod (7) is vertically fixed at the upper end of the core rod (5), a needle seat (8) is fixed at the tail end of the swing rod (7), and a positioning needle (9) is vertically installed below the needle seat (8).

5. The tool for monitoring and warning against rotation of a freely movable standpipe valve as claimed in claim 1, wherein the grating body (10) is a sector-shaped body, the upper surface and the lower surface of the grating body are respectively sector-shaped, and a series of through slits are uniformly distributed between the upper surface and the lower surface at equal angles.

6. The tool for monitoring and warning against rotation of a freely movable standpipe valve of claim 1, wherein the laser transmitter (11) and the laser receiver (12) are respectively connected with signal lines, each signal line is respectively connected with a signal sending end and a signal receiving end of the controller, and the controller controls the buzzer to send out an alarm signal according to a trigger signal of the laser receiver (12).

7. The tool for monitoring and warning against rotation of a freely movable standpipe valve of claim 1, wherein the core rod (5) is fixedly connected with the grating body (10) through a connecting rod (13), a hanging hole is formed in the middle of the connecting rod (13), and tension springs (14) are respectively connected to two sides of the hanging hole to form a balanced repulsion relationship.

8. The tool for monitoring and warning against rotation of a standpipe valve, which can be freely moved, as claimed in claim 1, wherein a hoop is fixed below the base (1), and is fixed to the pipe body through the hoop, and a limit stop is fixed in the accommodation chamber (2).