CN216668986U - Offline vibration measuring device for HPR1000 unit rotating equipment - Google Patents

Abstract

The utility model relates to an off-line vibration measuring device for HPR1000 unit rotating equipment, which is used for measuring a vibration amplitude measuring component of the amplitude of the rotating equipment and a vibration phase measuring component of the phase of the rotating equipment; the vibration amplitude measuring assembly comprises a first bracket detachably mounted on the rotating equipment and an amplitude measuring unit mounted on the first bracket and used for measuring the amplitude of the rotating equipment; the vibration phase measurement assembly comprises a second bracket detachably mounted on the rotating equipment and a phase measurement unit mounted on the second bracket and used for measuring the phase of the rotating equipment. The off-line vibration measuring device for the HPR1000 unit rotating equipment is convenient to use, can be quickly installed and used, and realizes a vibration measuring function; the maintenance cost is low, when the damage occurs, only part of the elements are needed to be replaced, and the whole elements are not needed to be replaced; the application range is wide.

Description

Offline vibration measuring device for HPR1000 unit rotating equipment

Technical Field

The utility model relates to the field of nuclear power, in particular to an offline vibration measuring device for HPR1000 unit rotating equipment.

Background

In a nuclear power plant, a rotating device, such as a reactor coolant pump of an HPR1000 unit, is used as a power system for cooling a core, and has a main function of circulating a coolant to transfer heat generated by nuclear fission in the core to a secondary circuit through steam generation, and simultaneously cooling the core to prevent fuel elements from being burnt or damaged. The vibration parameters are used as characteristic data of the equipment running state and can reflect the equipment running state. The acquisition of the vibration parameters is generally measured when the online vibration system is available, and when the online vibration system is unavailable, no measuring device is used for performing offline vibration measurement on the online vibration system, so that the operating state of the reaction equipment cannot be known.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an improved offline vibration measuring device for HPR1000 unit rotating equipment.

The technical scheme adopted by the utility model for solving the technical problems is as follows: constructing an off-line vibration measuring device for HPR1000 unit rotating equipment, a vibration amplitude measuring component for measuring the amplitude of the rotating equipment and a vibration phase measuring component for measuring the phase of the rotating equipment;

the vibration amplitude measuring assembly comprises a first bracket detachably mounted on the rotating equipment and an amplitude measuring unit mounted on the first bracket and used for measuring the amplitude of the rotating equipment;

the vibration phase measurement assembly comprises a second support detachably mounted on the rotating equipment and a phase measurement unit mounted on the second support and used for measuring the phase of the rotating equipment.

Preferably, the first support comprises a first support rod and a second support rod connected with the first support rod and arranged perpendicular to the first support rod;

one end of the first supporting rod, which is far away from the second supporting rod, is provided with a connecting piece connected with the rotating equipment; the amplitude measuring unit is arranged at one end, far away from the first supporting rod, of the second supporting rod.

Preferably, the second support rod is a hollow structure with two through ends, and a wiring channel can be formed on the inner side of the second support rod.

Preferably, one end of the first support rod is welded to the second support rod.

Preferably, the amplitude measuring unit includes a vibration displacement sensor.

Preferably, the second support includes that the actuation is fixed in magnetism base on the rotating equipment, set up in dead lever on the magnetism base, with the dead lever is connected and can towards dead lever length direction is relative motion's connecting rod, connect the connecting rod with the first coupling mechanism of dead lever and set up in connect on the connecting rod phase place measuring unit's second coupling mechanism.

Preferably, the first connecting mechanism comprises a first connecting seat body; the first connecting seat body is provided with a first through hole for the fixed rod to penetrate through and a second through hole for the connecting rod to penetrate through; the first and second perforations are arranged side by side.

Preferably, the first connecting seat body comprises a first opening and closing part and a second opening and closing part matched with the first opening and closing part; the first through hole and the second through hole are arranged between the first opening and closing part and the second opening and closing part;

the first connecting mechanism further comprises a first adjusting piece, and the first adjusting piece is arranged on the first opening and closing part and the second opening and closing part to drive the first opening and closing part and the second opening and closing part to move relatively so as to adjust the aperture of the first perforation;

the first connecting mechanism further comprises a second adjusting piece, and the second adjusting piece is arranged on the first opening and closing portion and the second opening and closing portion to drive the first opening and closing portion and the second opening and closing portion to move relatively so as to adjust the aperture of the second through hole.

Preferably, the vibration phase measurement assembly further comprises a mounting seat arranged on the second support and used for mounting the phase measurement unit, and a connecting column connected with the second connecting mechanism is arranged on the mounting seat;

the second connecting mechanism comprises a second connecting seat body; and the second connecting seat body is provided with a third through hole for the connecting rod to penetrate through and a fourth through hole for the connecting column to penetrate through.

Preferably, the phase measurement unit comprises a phase sensor.

The off-line vibration measuring device for the HPR1000 unit rotating equipment has the following beneficial effects: the offline vibration measuring device for the HPR1000 unit rotating equipment can be detachably mounted on the rotating equipment through the first support of the vibration amplitude measuring assembly and can carry out amplitude measurement on the rotating equipment through the amplitude measuring unit on the first support, and can also be detachably mounted on the rotating equipment through the second support of the vibration phase measuring assembly and can measure the phase of the rotating equipment through the phase measuring unit on the second support, so that offline vibration measurement can be carried out on the rotating equipment when an online vibration system is unavailable. The off-line vibration measuring device for the HPR1000 unit rotating equipment is convenient to use, can be quickly installed and used, and realizes a vibration measuring function; the maintenance cost is low, when the damage occurs, only part of the elements are needed to be replaced, and the whole elements are not needed to be replaced; the application range is wide.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic diagram of a vibration amplitude measurement assembly of an off-line vibration measurement device for HPR1000 unit rotating equipment in some embodiments of the present invention;

FIG. 2 is a schematic view of another angle configuration of the vibration amplitude measurement assembly of FIG. 1;

FIG. 3 is a schematic structural diagram of a vibration phase measurement assembly of the off-line vibration measurement device for the rotating equipment of the HPR1000 unit shown in FIG. 1;

FIG. 4 is a schematic structural view of a first coupling mechanism of the vibration phase measurement assembly of FIG. 3;

FIG. 5 is a schematic structural view of a second coupling mechanism of the vibration phase measurement assembly of FIG. 3;

fig. 6 is a schematic view of the installation of the off-line vibration measuring device for a rotating machine of an HPR1000 unit according to the present invention on the rotating machine.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

Fig. 1 shows some preferred embodiments of the off-line vibration measuring device of the utility model for HPR1000 unit rotating equipment. The offline vibration measurement device for the HPR1000 unit rotating equipment can realize offline vibration measurement on the rotating equipment when an online vibration system is unavailable. The off-line vibration measuring device for the HPR1000 unit rotating equipment is convenient to use, can be quickly installed and used, and realizes a vibration measuring function; the maintenance cost is low, when the damage occurs, only part of the elements are needed to be replaced, and the whole elements are not needed to be replaced; the application range is wide. In some embodiments, the rotating device may be a reactor coolant pump, particularly applicable to a reactor coolant pump of an HPR1000 plant, i.e., a reactor coolant pump of a hualong No. one plant.

As shown in fig. 1 and 6, in some embodiments, the off-line vibration measuring apparatus for the rotating equipment of the HPR1000 unit may include a vibration amplitude measuring component 10 and a vibration phase measuring component 20. The vibration amplitude measurement assembly 10 is detachably mounted to the rotating device for measuring the amplitude of the rotating device, and in particular, it may be used for measuring the amplitude of the motor of a reactor coolant pump. In some embodiments, the vibration phase measurement assembly 20 is removably mounted to the rotating equipment for measuring the phase of the rotating equipment, and in some embodiments, the vibration phase measurement assembly 20 may be used to measure the phase of the rotating shaft 101 of the electric motor of the reactor coolant pump.

As shown in fig. 1 to 2, further, in some embodiments, the vibration amplitude measurement assembly 10 may include a first bracket 11 and an amplitude measurement unit 12. The first bracket 11 is detachably mounted on the rotating device, and specifically, the first bracket 11 is mounted on the rotating shaft 101 of the electric motor of the reactor coolant pump. The amplitude measuring unit 12 may be mounted on the first bracket 11 for measuring an amplitude of the rotating device, and in particular, may be used for measuring an amplitude of a reactor coolant pump.

Further, in some embodiments, the first bracket 11 may include a first supporting rod 111 and a second supporting rod 112, and one end of the first supporting rod 111 may be connected to one end of the second supporting rod 112, in particular, in some embodiments, the first supporting rod 111 may be fixedly connected to the second supporting rod 112, and further, one end of the first supporting rod 111 may be welded to the second supporting rod 112. The first supporting rod 111 can be disposed perpendicular to the second supporting rod 112. In some embodiments, the first support bar 111 and the second support bar 112 can be steel pipes. The second supporting rod 112 can be a hollow structure with two through ends, and a cable channel 1121 can be formed on the inner side thereof for a cable to pass through and connect with the amplitude measuring unit 12 located at one end of the second supporting rod 112. That is, the cable can be threaded out from the opening of the second support rod 112, thereby avoiding the risk of involving the rotating equipment, and realizing the measurement of the vibration amplitude of the reactor coolant pump. In some embodiments, the first support rod 111 and the second support rod 112 are both cylindrical. In some embodiments, an end of the second supporting rod 112 may be provided with a mounting portion 1121 for inserting and mounting an end of the first supporting rod 111, and the mounting portion 1121 may have a cylindrical shape with a diameter larger than that of the other end of the first supporting rod 111.

Further, in some embodiments, the amplitude measuring unit 12 can be connected to an end of the second supporting rod 112 far away from the first supporting rod 111. In some embodiments, the amplitude measuring unit 13 may be connected to one end of the first support rod 111 by the connection nut 14. In some embodiments, the amplitude measurement unit 12 may be a vibratory displacement sensor. Of course, it will be appreciated that in other embodiments, the amplitude measurement unit 12 may not be limited to being a vibratory displacement sensor.

Further, in some embodiments, an end of the first support rod 111 away from the second support rod 112 may be provided with a connector 13, and the connector 13 may be used for connecting with a rotating device. In particular, in some embodiments, the connector 13 may be a bolt that may be secured to the motor shaft 101 inside the cavity of the reactor coolant pump.

As shown in fig. 3 to 6, in some embodiments, the vibration phase measurement assembly 20 may include a second bracket 21 and a phase measurement unit 22. The second bracket 21 is detachably mounted on the rotating apparatus for mounting the phase measuring unit 22. In some embodiments, the phase measuring unit 22 may be mounted on the second bracket 21 for measuring the phase of a rotating device, and in particular, in some embodiments, the phase measuring unit 22 may be used for measuring the phase of the rotating shaft 101 of the motor in the reactor coolant pump.

Further, the second bracket 21 may include a magnetic base 211, a fixing rod 212, a connecting rod 213, a first connecting mechanism 214, and a second connecting mechanism 215. Further, in some embodiments, the magnetic base 211 may be suction-fixed to the rotating device, and in particular, the magnetic base 211 may be suction-fixed to the pump body of the reactor coolant pump, so as to facilitate detachable mounting with the reactor coolant pump. In some embodiments, the magnetic base 211 may be cylindrical and may be a magnet. In some embodiments, the fixing rod 212 may be disposed on the magnetic base 211 and may be disposed perpendicular to the magnetic base 211. The fixing rod 212 may be cylindrical and may be fixed on the magnetic base 211. In some embodiments, the connecting rod 213 may have a cylindrical shape, which may be connected to the fixing rod 212 through the first connecting mechanism 214, and the connecting rod 213 may be connected to the phase measuring unit 22 through the second connecting mechanism 215. The connecting rod 213 can be disposed to move toward the length direction of the fixing rod 212, so as to adjust the height of the phase measuring unit 22. In some embodiments, the first connection mechanism 214 can be used to connect the connection rod 213 and the fixation rod 212; the second connection mechanism 215 may be used to connect the connection rod 213 and the phase measurement unit 22. The first connection 214 and the second connection 215 can be used to switch the height and direction of the phase measuring unit 22.

Further, in some embodiments, the first connecting mechanism 214 may include a first connecting seat 2140, and the first connecting seat 2140 may be used for the fixing rod 212 and the connecting rod 213 to pass through. In some embodiments, the first connecting seat 2140 may include a first opening and closing portion 2141 and a second opening and closing portion 2142. The first opening and closing portion 2141 and the second opening and closing portion 2142 may be matched with each other, in some embodiments, the first opening and closing portion 2141 and the second opening and closing portion 2142 may be plate-shaped, and the middle portions of the first opening and closing portion 2141 and the second opening and closing portion 2142 may be connected to each other, which may adjust the aperture of the first through hole 2143 and the second through hole 2144 by opening and closing. In some embodiments, the first connecting seat 2140 has a first through hole 2143 and a second through hole 2144; the first through hole 2143 is used for the fixing rod 212 to pass through, and the second through hole 2144 is used for the connecting rod 213 to pass through. In some embodiments, the first through hole 2143 and the second through hole 2144 may be disposed between the first opening and closing portion 2141 and the second opening and closing portion 2142, and may be disposed side by side. In some embodiments, the first connecting mechanism 214 may include a first adjusting member 2145, the first adjusting member 2145 may be disposed on the first opening/closing portion 2141 and the second opening/closing portion 2142, and specifically, the first adjusting member 2145 may be disposed on a side close to the first connecting seat 2140 by an opening formed between the first opening/closing portion 2141 and the second opening/closing portion 2142, in some embodiments, the first adjusting member 2145 may be a knob, which may be screwed with the first opening/closing portion 2141 and the second opening/closing portion 2142, and the first opening/closing portion 2141 and the second opening/closing portion 2142 may be driven to move relatively by rotating the first adjusting member 2145, so as to adjust the aperture of the first through hole 2143 to match the fixing rods 212 with different apertures. In some embodiments, the first connecting mechanism 214 may further include a second adjusting member 2146, the second adjusting member 2146 may be disposed on the first opening and closing portion 2141 and the second opening and closing portion 2142, specifically, in some embodiments, the second adjusting member 2146 may be disposed near the other side of the first connecting base 2140 by an opening formed between the first opening and closing portion 2141 and the second opening and closing portion 2142, in some embodiments, the second adjusting member 2146 may be a knob, which may be screwed with the first opening and closing portion 2141 and the second opening and closing portion 2142, and the second adjusting member 2146 may be rotated to drive the first opening and closing portion 2141 and the second opening and closing portion 2142 to move relatively, so that the aperture of the second through hole 2144 may be adjusted to match the connecting rods 213 with different diameters.

Further, in some embodiments, the second connecting mechanism 215 may include a second connecting seat 2151, the second connecting seat 2151 may be rectangular, and the second connecting seat 2151 may have a third through hole 2152 and a fourth through hole 2153. The third through hole 2152 and the fourth through hole 2153 may be located on different sides of the second connection housing 2151. In some embodiments, an opening may be disposed at one side of the third through hole 2152, the second connecting mechanism 215 may further include a third adjusting member 2154, the third adjusting member 2154 may be disposed adjacent to the opening of the third through hole 2152 and penetrate the second connecting seat 2151 along a radial direction of the third through hole 2152, in some embodiments, the third adjusting member 2154 may be a knob, which may be screwed with the second connecting seat 2152, and by rotating the knob, the diameter of the third through hole 2152 may be adjusted to match the connecting rods 213 with different diameters. In some embodiments, an opening is formed at one side of the fourth through hole 2153, the second connecting mechanism 215 may further include a fourth adjusting member 2155, the fourth adjusting member 2155 may be disposed near the opening of the fourth through hole 2153 and may be inserted into the second connecting seat 2151 along a radial direction of the fourth through hole 2152, which may be screwed with the second connecting seat 2152, and the diameter of the fourth through hole 2153 may be adjusted to match the connecting posts 232 with different diameters by rotating the knob.

Further, in some embodiments, the phase measurement unit 22 may include a phase sensor, which in some embodiments may be a laser tachometer. In some embodiments, the phase measurement unit 22 may be mounted on the connection rod 213 by a mounting seat 23.

Further, in some embodiments, the vibration phase measurement assembly 20 may also include a mount 23, and the mount 23 may be used for mounting the phase measurement unit 22. In some embodiments, the mounting base 23 may include a base 231 and a connecting post 232, the base 231 may be configured for the phase measuring unit 22 to pass through, and the connecting post 232 may be connected to one side of the base 231 and may pass through the fourth through hole 2153.

It is to be understood that the foregoing examples, while indicating the preferred embodiments of the utility model, are given by way of illustration and description, and are not to be construed as limiting the scope of the utility model; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims (10)

1. An off-line vibration measuring device for HPR1000 unit rotating equipment is characterized by a vibration amplitude measuring component (10) for measuring the amplitude of the rotating equipment and a vibration phase measuring component (20) for measuring the phase of the rotating equipment;

the vibration amplitude measuring assembly (10) comprises a first bracket (11) detachably mounted on the rotating equipment and an amplitude measuring unit (12) mounted on the first bracket (11) and used for measuring the amplitude of the rotating equipment;

the vibration phase measurement assembly (20) comprises a second bracket (21) detachably mounted on the rotating equipment and a phase measurement unit (22) mounted on the second bracket (21) and used for measuring the phase of the rotating equipment.

2. The off-line vibration measuring device for the rotating equipment of the HPR1000 plant according to claim 1, characterized in that the first bracket (11) comprises a first support bar (111) and a second support bar (112) connected to the first support bar (111) and arranged perpendicular to the first support bar (111);

one end of the first supporting rod (111) far away from the second supporting rod (112) is provided with a connecting piece (13) connected with the rotating equipment; the amplitude measuring unit (12) is arranged at one end of the second supporting rod (112) far away from the first supporting rod (111).

3. The off-line vibration measuring device for the rotating equipment of the HPR1000 unit according to claim 2, wherein the second supporting rod (112) is a hollow structure with two ends penetrating through, and a wiring channel (1121) can be formed on the inner side of the hollow structure.

4. The off-line vibration measuring device for the rotating equipment of the HPR1000 plant according to claim 2, wherein one end of the first support rod (111) is welded to the second support rod (112).

5. The offline vibration measurement device for an HPR1000 train rotation apparatus according to claim 1, characterized in that the amplitude measurement unit (12) comprises a vibration displacement sensor.

6. The off-line vibration measuring device for the rotating equipment of the HPR1000 unit as claimed in claim 1, wherein the second bracket (21) comprises a magnetic base (211) which can be fixed on the rotating equipment in a suction manner, a fixing rod (212) which is arranged on the magnetic base (211), a connecting rod (213) which is connected with the fixing rod (212) and can move relatively towards the length direction of the fixing rod (212), a first connecting mechanism (214) which connects the connecting rod (213) and the fixing rod (212), and a second connecting mechanism (215) which is arranged on the connecting rod (213) and is connected with the phase measuring unit (22).

7. The offline vibration measurement device for an HPR1000 train rotating apparatus according to claim 6, wherein the first connection mechanism (214) comprises a first connection housing (2140); the first connecting seat body (2140) is provided with a first through hole (2143) for the fixing rod (212) to penetrate through and a second through hole (2144) for the connecting rod (213) to penetrate through; the first through hole (2143) and the second through hole (2144) are arranged side by side.

8. The offline vibration measurement device for the rotating equipment of HPR1000 plant according to claim 7, wherein the first connection seat (2140) comprises a first opening and closing part (2141) and a second opening and closing part (2142) matched with the first opening and closing part (2141); the first through hole (2143) and the second through hole (2144) are disposed between the first opening and closing portion (2141) and the second opening and closing portion (2142);

the first connecting mechanism (214) further comprises a first adjusting member (2145), and the first adjusting member (2145) is disposed on the first opening/closing portion (2141) and the second opening/closing portion (2142) to drive the first opening/closing portion (2141) and the second opening/closing portion (2142) to move relatively, so as to adjust the aperture of the first through hole (2143);

the first connecting mechanism (214) further includes a second adjusting member (2146), and the second adjusting member (2146) is disposed on the first opening/closing portion (2141) and the second opening/closing portion (2142) to drive the first opening/closing portion (2141) and the second opening/closing portion (2142) to move relatively so as to adjust an aperture of the second through hole (2144).

9. The off-line vibration measuring device for the rotating equipment of the HPR1000 plant according to claim 6, wherein the vibration phase measuring assembly (20) further comprises a mounting seat (23) arranged on the second bracket (21) for mounting the phase measuring unit (22), and a connecting column (232) connected with the second connecting mechanism (215) is arranged on the mounting seat (23);

the second connection mechanism (215) comprises a second connection housing (2151); and a third through hole (2152) for the connecting rod (213) to penetrate through and a fourth through hole (2153) for the connecting column (232) to penetrate through are formed in the second connecting seat body (2151).

10. The offline vibration measurement device for an HPR1000 train rotation apparatus according to claim 1, characterized in that the phase measurement unit (22) comprises a phase sensor.

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