CN218476612U

CN218476612U - Safety and stability control device in nuclear power overhaul

Info

Publication number: CN218476612U
Application number: CN202222462465.1U
Authority: CN
Inventors: 陈志高; 马海花; 韩耕
Original assignee: Zhejiang Fengfa Energy Engineering Co ltd
Current assignee: Zhejiang Fengfa Energy Engineering Co ltd
Priority date: 2022-09-17
Filing date: 2022-09-17
Publication date: 2023-02-14
Anticipated expiration: 2032-09-17

Abstract

The utility model relates to a stabilising arrangement especially relates to a safety and stability control device in nuclear power overhaul. The safety and stability control device can provide accurate installation and is installed quickly in nuclear power overhaul. A safety and stability control device in nuclear power overhaul comprises a base, an object stage, a positioning rod, a cylindrical device, a sensor diaphragm, a support frame, a guide rod and the like; the locating lever is connected to bilateral symmetry rotary type around the objective table right side, and the objective table is connected to two common slidingtype in locating lever left sides, and base left side longitudinal symmetry is equipped with the support frame, sliding type connection guide bar on the support frame. Under the action of the second limiting block and the guide rod, the guide rod and the second limiting block can be lifted vertically and smoothly, so that the operation can be stably performed during installation, and the error degree can be reduced during installation; under the action of the spiral spring and the baffle, the cylindrical device can be firmly fixed and cannot deviate in the installation process.

Description

Safety and stability control device in nuclear power overhaul

Technical Field

The utility model relates to a stabilising arrangement especially relates to a safety and stability controlling means during nuclear power overhauls.

Background

The liquid level transmitter is an extension and development of the pressure transmitter technology, and realizes accurate measurement and transmission of the volume, liquid height and weight of water, oil and paste according to the principle that the pressure generated by liquids with different specific gravities at different heights is in a linear relation.

The nuclear power overhaul mainly comprises daily maintenance and overhaul (overhaul), the hydraulic transmitter in the reactor core needs to be overhauled during the overhaul of the reactor core water tank narrow-range hydraulic transmitter, the internal sensor diaphragm needs to be disassembled and overhauled during the overhaul of the reactor core water tank narrow-range hydraulic transmitter, the thickness of the diaphragm is lower than 0.1 mm, the diaphragm needs to be carefully and carefully taken after being disassembled, if no problem exists in detection, the sensor diaphragm needs to be installed back, the sensor diaphragm is installed by fastening and attaching two semicylinders, and in the existing disassembly and installation, the manual operation is adopted, the installation precision is judged through limb sense organs and tools, so that the installation precision has high requirements, multiple times of adjustment are needed, the installation time is long, if the precision of the installed components has large deviation, irrecoverable accidents can be caused by the deviation and dislocation of a certain part of the reactor core after operation.

Aiming at the problems, a safety and stability control device capable of providing accurate installation and being installed quickly in nuclear power overhaul is designed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome the longer shortcoming of artifical dismouting sensor diaphragm installation time, the to-be-solved technical problem of the utility model is to provide one kind can provide accurate installation, and install quick nuclear power and overhaul in the safety and stability control device.

In order to solve the technical problem, the utility model provides a such safety and stability control device in nuclear power overhaul, the on-line screen storage device comprises a base, the objective table, the locating lever, the cylinder device, the sensor diaphragm, a support frame, the guide bar, first stopper, the cylinder spring, second stopper and gag lever post, bilateral symmetry rotary type connecting positioning pole around the base right side, the objective table is connected to the common slidingtype in two locating lever left sides, base left side longitudinal symmetry is equipped with the support frame, sliding type connecting guide bar on the support frame, the first stopper of guide bar top rigid coupling, the cylinder spring is established to the cover on the guide bar, the common rigid coupling second stopper of two support frames, the gag lever post is connected to both sides slidingtype around the second stopper bottom, the second stopper is located directly over the objective table, and the cylinder device has all been placed on second stopper and the objective table, the sensor diaphragm has been placed on the cylinder device on the objective table.

Preferably, still including the cylinder, support frame middle part rigid coupling cylinder, cylinder output shaft and second stopper pass through the key-type connection.

Preferably, still including the lead screw, the base right side is run through the screw thread formula and is connected the lead screw, and is connected with the baffle rotary type.

Preferably, the device also comprises a spiral spring and a baffle plate, the baffle plate is fixedly connected to the objective table, and the spiral spring is arranged between the baffle plate and the base.

Preferably, a sliding damper is arranged inside the hole for connecting the support frame and the guide rod.

Preferably, the contact surface of the object stage and the base is connected through a sliding groove and completely matched, and the error is within 0.05 mm.

Preferably, the object stage and the second limiting block are completely matched with the groove of the cylindrical device, and the error is within 0.05 mm.

The beneficial effects of the utility model are that:

under the action of the second limiting block and the guide rod, the guide rod can be stably operated during installation through the vertical and smooth lifting of the second limiting block, so that the error degree can be reduced during installation, the operation process is simpler, and the installation operation time is reduced.

Under the action of the spiral spring and the baffle, the cylindrical device can be firmly fixed and cannot deviate in the installation process.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective sectional structural view of the stage, the sensor diaphragm, the limiting rod and other components.

Fig. 3 is a schematic perspective view of the support frame, the first stopper, the second stopper, and other components.

The labels in the figures are: 1-a base, 2-an object stage, 3-a positioning rod, 4-a cylindrical device, 5-a sensor membrane, 6-a spiral spring, 7-a baffle, 8-a support frame, 9-a guide rod, 10-a first limiting block, 11-a cylindrical spring, 12-a second limiting block, 13-an air cylinder, 14-a screw rod and 15-a limiting rod.

Detailed Description

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

Example 1

The utility model provides a safety and stability control device in nuclear power overhaul, as shown in FIG. 1-3, including base 1, objective table 2, locating lever 3, cylinder device 4, sensor diaphragm 5, support frame 8, guide bar 9, first stopper 10, cylindrical spring 11, second stopper 12 and gag lever post 15, locating lever 3 is connected to bilateral symmetry rotary type around 1 right side of base, objective table 2 is connected to the common slidingtype in two locating lever 3 left sides, objective table 2 passes through the spout with base 1's contact surface and is connected, and agree with completely, the error is at 0.03 millimeter, base 1 left side longitudinal symmetry is equipped with support frame 8, sliding type connection guide bar 9 on support frame 8, the inside slip damping that is equipped with in the hole that support frame 8 and guide bar 9 are connected, guide bar 9 top bolt first stopper 10, cylindrical spring 11 is established to the cover on the guide bar 9, two support frames 8 weld second stopper 12 jointly, both sides slidingtype connection gag lever 15 around second stopper 12 bottom, second stopper 12 is located directly over objective table 2, and objective table 12 and 2 upper equal objective table 4 devices 4, the equal recess of placing of stopper and cylinder device on cylinder device 4 millimeter, the error of cylinder device 0.03 is placed, the equal stopper 4 millimeter on the second stopper 2.

As shown in fig. 2, the device further comprises a cylinder 13, the middle part of the support frame 8 is bolted with the cylinder 13, and an output shaft of the cylinder 13 is connected with the second limiting block 12 through a key.

When the device is required to be used, the cylindrical device 4 is placed in the groove of the object stage 2, after the groove of the object stage 2 is completely attached to the cylindrical device 4, the limiting rod 15 is pushed outwards to enable the limiting rod 15 to be far away from each other, then, another cylindrical device 4 is supported by hands and placed in the groove of the second limiting rod 12, after the complete attachment is confirmed, the limiting rod 15 is pushed to be close to each other, the cylindrical device 4 can be limited by the limiting rod 15, then the cylindrical device is pushed to move upwards, the second limiting rod 12 moves upwards along the direction of the guide rod 9 to compress the cylindrical spring 11, after the two cylindrical devices 4 are placed, the sensor diaphragm 5 which needs to be installed after detection is placed on the cylindrical device 4, the circular hole in the center of the cylindrical device 4 and the sensor diaphragm 5 is aligned, then, the cylindrical device 4 above is moved downwards, the second limiting rod 12 vertically moves downwards along the direction of the guide rod 9, the second spring is reset, the sliding damping at the joint of the guide rod 9 and the support frame 8 enables the second limiting block 12 to drive the cylindrical device 4 to slowly move downwards until the two cylindrical devices 4 are contacted and jointed, the sensor diaphragm 5 and the cylindrical device 4 are installed, stable operation can be realized during installation by the vertical and smooth lifting of the guide rod 9 and the second limiting block, meanwhile, the joint of the components is a fixed angle, so that the offset angle is low, the error degree can be reduced during installation, meanwhile, in order to further reduce the operation steps during operation, the cylinder 13 can be started, the output shaft of the cylinder 13 retracts, the output shaft retracts to enable the second limiting block 12 to move upwards, when the second limiting block 12 moves upwards to a certain distance, the cylindrical device 4 can be clamped in the second limiting block 12, the cylindrical device is fixed well through the limiting rod 15, and then the cylinder 13 is started, so that the output shaft of the cylinder 13 moves downwards, and the second limiting block 12 drives the installed cylindrical device 4 to be in butt joint with the cylindrical device 4 on the objective table 2, thereby completing installation.

Example 2

In addition to embodiment 1, as shown in fig. 1, the device further includes a screw rod 14, and the right side of the base 1 is connected with the screw rod 14 in a threaded manner and rotatably connected with the baffle 7.

As shown in fig. 1, the device further comprises a coil spring 6 and a baffle 7, the baffle 7 is fixedly connected to the objective table 2, and the coil spring 6 is arranged between the baffle 7 and the base 1.

In order to prevent the displacement of the cylindrical device 4 on the object stage 2, the spiral spring 6 pushes the baffle 7 to be close to the cylindrical device 4 to extrude the cylindrical device 4, the cylindrical device 4 can be stabilized, after the sensor diaphragm 5 and the cylindrical device 4 are installed, the first limiting block 10 is pushed to be away from each other, the first limiting block 10 does not limit the cylindrical device 4 above, the second limiting block 12 is pushed upwards at the same time, the second limiting block 12 slides upwards slowly, the cylindrical spring 11 is compressed at the same time, after the second limiting block 12 moves upwards, the cylindrical device 4 is separated from the second limiting block 12, then the object stage 2 is pushed rightwards, the object stage 2 slides along the direction of the bottom groove and the positioning rod 3, the baffle 7 and the spiral spring 6 are compressed at the same time, after the cylindrical device 4 on the object stage 2 slides to a proper distance, in order to prevent errors from being considered in the moving process, the screw rod 14 is additionally arranged on the baffle 7, the screw rod 14 rotates anticlockwise, the screw rod 14 rotates slowly to slide out on the base 1, so as to drive the baffle 7 to pull the object stage 2 together, the cylindrical device 4 and the sensor 5 can be taken out after moving to a certain narrow distance, the water tank and the sensor can be taken out.

The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a safety and stability controlling means in nuclear power overhaul, including base (1), a serial communication port, still including locating lever (3), cylinder device (4), sensor diaphragm (5), support frame (8), guide bar (9), first stopper (10), cylindrical spring (11), second stopper (12) and gag lever post (15), locating lever (3) is connected to bilateral symmetry rotary type around base (1) right side, objective table (2) is connected to two common slidingtype in locating lever (3) left side, base (1) left side longitudinal symmetry is equipped with support frame (8), sliding type connection guide bar (9) on support frame (8), guide bar (9) top rigid coupling first stopper (10), cylindrical spring (11) are established to the cover on guide bar (9), common rigid coupling second stopper (12) of two support frames (8), both sides slidingtype connection gag lever (15) around second stopper (12) bottom, second stopper (12) are located objective table (2) directly over, and equal diaphragm (12) and objective table (2) have been placed, cylinder device (4) on the cylinder device (2).

2. The safety and stability control device in nuclear power overhaul according to claim 1, further comprising a cylinder (13), wherein the cylinder (13) is fixedly connected to the middle of the support frame (8), and an output shaft of the cylinder (13) is connected with the second limiting block (12) through a key.

3. The safety and stability control device in nuclear power overhaul according to claim 1, further comprising a screw rod (14), wherein the screw rod (14) is connected with the right side of the base (1) in a threaded manner and rotatably connected with the baffle (7).

4. The safety and stability control device in nuclear power overhaul according to claim 1, further comprising a coil spring (6) and a baffle (7), wherein the baffle (7) is fixedly connected to the objective table (2), and the coil spring (6) is arranged between the baffle (7) and the base (1).

5. The safety and stability control device in nuclear power overhaul according to claim 1, wherein a sliding damper is arranged inside a hole for connecting the support frame (8) and the guide rod (9).

6. The safety and stability control device in nuclear power overhaul according to claim 1, wherein the contact surface of the object stage (2) and the base (1) is connected through a sliding groove and completely matched, and the error is within 0.05 mm.

7. The safety and stability control device in nuclear power overhaul according to claim 1, wherein the object stage (2) and the second limiting block (12) are completely matched with the groove of the cylindrical device (4), and the error is within 0.05 mm.