CN217058656U - Nuclear-grade rotating equipment coupler centering device - Google Patents
Nuclear-grade rotating equipment coupler centering device Download PDFInfo
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- CN217058656U CN217058656U CN202123410012.6U CN202123410012U CN217058656U CN 217058656 U CN217058656 U CN 217058656U CN 202123410012 U CN202123410012 U CN 202123410012U CN 217058656 U CN217058656 U CN 217058656U
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Abstract
The utility model belongs to the technical field of nuclear level rotation equipment overhauls engineering, concretely relates to nuclear level rotates equipment shaft coupling centering device, the device includes: support horizontal pole, support montant, middle and small horizontal pole, centering table pole, percentage table and percentage table frame, two support horizontal poles are connected respectively in the both ends of torsion bar, support the montant and install on supporting the horizontal pole, and the little horizontal pole of centering is installed on supporting the montant, and centering table pole is connected with the little horizontal pole of centering, and percentage table frame is connected with centering table pole, and the percentage table is installed on percentage table frame. The device of the utility model is simple in structure, installation steps are succinct, and stability is stronger in the use, can not produce and rock, and measurement accuracy is higher.
Description
Technical Field
The utility model belongs to the technical field of nuclear level rotation equipment overhauls engineering, concretely relates to nuclear level rotates equipment shaft coupling centering device.
Background
The coupler centering of nuclear grade rotating equipment of a nuclear power station is an indispensable maintenance technology, the centering quality of two shafts directly influences the vibration level and the service life of the equipment, and therefore in each disassembly overhaul, the center of the coupler needs to be adjusted to be within a standard range according to the requirements of a technical manual.
When the nuclear-grade rotating equipment coupler centering work is performed, the coupler centering device obviously shakes originally, so that the dial indicator swings greatly, the reading is not accurate enough, the centering quality is seriously influenced, and the original device has more parts, a more complex structure and longer time consumption in installation and use.
Therefore, a new coupling centering device for nuclear-grade rotating equipment is needed to be developed, so that the defects existing in the existing coupling centering device can be overcome.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a nuclear level rotating equipment shaft coupling centering device, the device simple structure, installation steps is succinct, and stability is stronger in the use, can not produce and rock, and measurement accuracy is higher.
Realize the utility model discloses the technical scheme of purpose:
a nuclear grade rotating equipment coupling centering device, the device comprising: support horizontal pole, support montant, middle and small horizontal pole, centering table pole, percentage table and percentage table frame, two support horizontal poles are connected respectively in the both ends of torsion bar, support the montant and install on supporting the horizontal pole, and the little horizontal pole of centering is installed on supporting the montant, and centering table pole is connected with the little horizontal pole of centering, and percentage table frame is connected with centering table pole, and the percentage table is installed on percentage table frame.
The support cross bar is fixed to the torsion bar by a support cross bar locking bolt and a support cross bar locking nut.
The supporting vertical rods can freely slide on the supporting cross rods and are fixed on the supporting cross rods through the supporting vertical rod locking bolts.
The centering small cross rod can freely slide on the supporting vertical rod, and is fixed on the supporting vertical rod through a locking bolt of the centering small cross rod.
The centering meter rod is connected with the centering small cross rod through the fastening sleeve, the centering meter rod is located above the centering small cross rod and is placed in parallel, and the centering meter rod and the centering small cross rod are fixed at relative positions through the centering meter rod fastening knob.
The fastening sleeve can rotate 360 degrees on the small centering cross rod.
And a fine adjustment knob is arranged at the free end of the centering meter rod.
The dial indicator stand is circumferentially adjusted relative to the centering indicator rod, and the dial indicator stand is locked with the centering indicator rod through the dial indicator stand fixing knob.
The dial indicator is fixed on the dial indicator frame through the dial indicator fastening knob.
The utility model has the advantages of:
1. the utility model discloses a nuclear-grade equipment coupling centering device which has simple structure and convenient operation; interference with field equipment can be effectively avoided;
2. the nuclear-grade equipment coupling centering device of the utility model has adjustable angle, and can meet the angle requirement in a certain range;
3. the utility model discloses a nuclear-grade equipment shaft coupling centering device each part connect tightly, can effectively solve centering device registration display unstable problem;
4. the utility model discloses a nuclear level equipment shaft coupling centering device compact structure can wholly assemble and demolish, can improve centering work efficiency.
Drawings
Fig. 1 is a front view of a coupling centering device for nuclear-grade rotating equipment provided by the present invention; FIG. 2 is a front view of a half section of the centering device for a nuclear-grade rotating equipment coupling for measuring eccentricity, according to the present invention;
fig. 3 is a partial front view of a device for centering a coupling of nuclear-grade rotating equipment for measuring the amount of opening;
fig. 4 is a partial front view of the nuclear-grade rotating equipment coupling centering device for measuring eccentricity provided by the present invention;
fig. 5 is a half sectional view a-a of fig. 4.
In the figure: 1-a torsion bar; 2-supporting cross bar locking bolts; 3-a support rail; 4-supporting the cross bar locking nut; 5-supporting vertical rods; 6-a removable part; 7-supporting vertical rod locking bolts; 8-electromagnet locking bolt; 9-locking bolts for the small middle cross rods; 10-centering the small cross bar; 11-centering the watch rod; 12-fine tuning knob; 13-centering the meter rod fastening knob; 14-a fastening sleeve; 15-dial indicator; 16-dial indicator stand fixing knob; 17-dial indicator stand; and (18) fastening a knob by using the dial indicator.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1-2, the utility model provides a pair of nuclear level rotating equipment shaft coupling centering device, include: support horizontal pole 3, support montant 5, middle and small horizontal pole 10, centering table pole 11, percentage table 15 and percentage table frame 17, two support horizontal poles 3 and connect respectively in the both ends of torsion bar 1, support montant 5 and install on supporting horizontal pole 3, centering small horizontal pole 10 is installed on supporting montant 5, centering table pole 11 is connected with centering small horizontal pole 10, percentage table frame 17 is connected with centering table pole 11, percentage table 15 is installed on percentage table frame 17.
As shown in fig. 1, the support rail 3 is fixed to the torsion bar 1 by a support rail lock bolt 2 and a support rail lock nut 4; the supporting vertical rods 5 can freely slide on the supporting cross rods 3, and the supporting vertical rods 5 are fixed on the supporting cross rods 3 through supporting vertical rod locking bolts 7; the centering small cross rod 10 can freely slide on the supporting vertical rod 5, and the centering small cross rod 10 is fixed on the supporting vertical rod 5 through a centering small cross rod locking bolt 9.
As shown in fig. 2-5, the centering stick 11 is connected with the centering small cross bar 10 through a fastening sleeve 14, the centering stick 11 is positioned above the centering small cross bar 10, the centering stick and the centering small cross bar are placed in parallel, the relative position of the centering stick 11 can be adjusted, and the relative position of the centering stick 11 and the centering small cross bar 10 is fixed through a centering stick fastening knob 13; the clamping sleeve 14 can be rotated on the small central crossbar 10 by 360 °.
As shown in fig. 2-4, a fine adjustment knob 12 is installed at the free end of the centering rod 11, and the relative position relationship between the centering rod 11 and the dial gauge frame 17 is adjusted by the fine adjustment knob 12.
As shown in fig. 2-4, the dial indicator frame 17 performs circumferential position adjustment relative to the centering indicator rod 11, and the dial indicator frame 17 is locked with the centering indicator rod 11 through the dial indicator frame fixing knob 16; the dial indicator 15 is fixed on the dial indicator frame 17 through a dial indicator fastening knob 18.
The electromagnet locking bolt 8 is used for fixing the removable part, namely the pump barrel and the electromagnet part, and can effectively avoid interference with field equipment.
Adopt the utility model provides a pair of nuclear level rotating equipment shaft coupling centering device carries out nuclear level rotating equipment shaft coupling centering work, specifically includes following step:
step (1) installation of a centering device:
checking and confirming that the main pump turning gear is installed completely, adding lubricating oil in an upper cross and a lower cross of a motor of a main pump is completed, inching the turning gear, and confirming that the equipment turns correctly and is anticlockwise when viewed from the direction of the motor;
step (1.2) checking that a main pump motor torsion bar clamp is installed and fastened, a fastening bolt is locked, and the torsion bar 1 is stable;
step (1.3) checking that the centering surface against which the pointer of the dial indicator is attached is clean and smooth, has no scratch or foreign matter, and if the scratch is obvious, the pointer of the dial indicator should be avoided in the rotating process;
step (1.4), fixing the support cross rod 3 on the torsion bar 1 through the support cross rod locking bolt 2 and the support cross rod locking nut 4, and checking to confirm that the support cross rod locking bolt 2 and the support cross rod locking nut 4 are fastened in place, so that the support cross rod 2 and the torsion bar 1 are in good contact and close in fitting;
step (1.5), fixing a support vertical rod 5 on a support cross rod 3 through a support vertical rod locking bolt 7, moving the position of the support vertical rod 5 to the outer side of the support cross rod 3 to avoid interference with a field pipeline, an electromagnet cooling water pipe connecting nozzle and the like in the turning process, checking and confirming that the support vertical rod locking bolt 7 is fastened in place, and fixing the support vertical rod 5 firmly;
step (1.6), the centering small cross bar 10 is fixed on the supporting vertical bar 5 through the centering small cross bar locking bolt 9, the position of the centering small cross bar 10 needs to be moved to the lowest side of the supporting cross bar 5, the centering small cross bar locking bolt 9 is checked and confirmed to be fastened in place, the centering small cross bar 10 is firmly fixed, the centering small cross bar 10 can be adjusted by 360 degrees according to actual conditions on site, and the centering small cross bar 10 is preferably selected to vertically point to a pump body under normal conditions;
step (1.7), the centering meter rod 11 is connected with the centering small cross rod 10 through a fastening sleeve 14, the fastening sleeve 14 needs to adjust the relative position on the centering small cross rod 10 according to the actual situation on site, the fastening sleeve 14 can rotate on the centering small cross rod 10 for 360 degrees, and corresponding angle adjustment is carried out according to the actual situation;
step (1.8), adjusting the relative position of the centering meter rod 11 through the fastening sleeve 14, and after the position is determined, screwing the fastening knob 13 of the centering meter rod and fixing the positions of the fastening sleeve 14 and the centering small cross rod 10 at the same time;
step (1.9) measuring an opening value, fixing a dial indicator 15 on a dial indicator frame 17 through a dial indicator fastening knob 18 to enable the dial indicator 15 to be perpendicular to a centering indicator rod 11, wherein the position of the dial indicator 15 is shown in figure 3, after the position is confirmed, screwing the dial indicator frame fastening knob 16 for fixing, adjusting the compression amount of the dial indicator to 1/2 of a measuring range, and confirming that each fastening piece is fastened in place;
measuring an eccentric value, fixing a dial indicator 15 on a dial indicator frame 17 through a dial indicator fastening knob 18 to enable the dial indicator 15 to be parallel to a centering indicator rod 11, wherein the position of the dial indicator is shown in figure 4, after the position is confirmed, screwing the dial indicator frame fastening knob 16 for fixing, and adjusting the compression amount of the dial indicator to 1/2 of a measuring range to confirm that each fastening piece is fastened in place;
step (1.11) checking that each fastening knob is fastened in place, and confirming that the centering device is not interfered with field equipment components and the like;
and (2) measuring the centering value:
step (2.1) evenly dividing 8 points on the upper layer of the centering surface of the removable component 6 by using a marker pen for one circle, and inching a barring gear to place two dial indicators 15 at positions 1 and 8 respectively;
step (2.2) measuring a mouth opening value, adjusting the position of the dial indicator 15 according to the step (1.9), confirming that the pointer of the dial indicator is zero, starting a turning gear, stopping and recording numerical values of each point, respectively recording the numerical values of 8 points after rotating for one circle, calculating, adjusting if the requirement is not met, and measuring the eccentric value of the next step if the requirement is met;
and (2.3) measuring an eccentric value, adjusting the position of the dial indicator 15 according to the step (1.10), confirming that the pointer of the dial indicator is zero, starting the barring gear, stopping and recording numerical values of each point, respectively recording the numerical values of 8 points after rotating for one circle, calculating, adjusting if the requirements are not met, finishing centering work if the requirements are met, and cleaning a work site.
The present invention has been described in detail with reference to the drawings and examples, but the present invention is not limited to the above examples, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art. The present invention can adopt the prior art for the content which is not described in detail in the present invention.
Claims (9)
1. A nuclear grade rotating equipment coupling centering device, comprising: support horizontal pole (3), support montant (5), middle and small horizontal pole (10), centering table pole (11), percentage table (15) and percentage table frame (17), two support horizontal poles (3) are connected respectively in the both ends of torsion bar (1), support montant (5) and install on supporting horizontal pole (3), install on supporting montant (5) centering small horizontal pole (10), centering table pole (11) are connected with centering small horizontal pole (10), percentage table frame (17) is connected with centering table pole (11), percentage table (15) are installed on percentage table frame (17).
2. The nuclear grade rotational device coupling centering device of claim 1, wherein the support beam (3) is fixed to the torsion bar (1) by a support beam lock bolt (2) and a support beam lock nut (4).
3. The centering device for the coupling of the nuclear-grade rotating equipment according to claim 2, wherein the vertical supporting rod (5) can slide freely on the horizontal supporting rod (3), and the vertical supporting rod (5) is fixed on the horizontal supporting rod (3) through a vertical supporting rod locking bolt (7).
4. The centering device for the coupling of the nuclear-grade rotating equipment according to claim 3, wherein the centering small cross rod (10) can freely slide on the supporting vertical rod (5), and the centering small cross rod (10) is fixed on the supporting vertical rod (5) through a centering small cross rod locking bolt (9).
5. The centering device for the coupling of the nuclear-grade rotating equipment according to claim 4, characterized in that the centering meter rod (11) is connected with the centering small cross rod (10) through a fastening sleeve (14), the centering meter rod (11) is positioned above the centering small cross rod (10) and is arranged in parallel, and the centering meter rod (11) and the centering small cross rod (10) are fixed in relative positions through a centering meter rod fastening knob (13).
6. The centering device of a nuclear grade rotating equipment coupling according to claim 5, characterized in that the tightening sleeve (14) can rotate 360 ° on the centering small cross bar (10).
7. A nuclear grade rotary equipment coupling centering device according to claim 6, characterized in that the free end of the centering meter bar (11) is mounted with a fine adjustment knob (12).
8. The centering device for the coupling of the nuclear-grade rotating equipment according to claim 7, wherein the dial indicator frame (17) performs circumferential position adjustment relative to the centering indicator rod (11), and the dial indicator frame (17) is locked with the centering indicator rod (11) through a dial indicator frame fixing knob (16).
9. The centering device of a nuclear grade rotary equipment coupling according to claim 8, characterized in that the dial indicator (15) is fixed on the dial indicator stand (17) by a dial indicator fastening knob (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123410012.6U CN217058656U (en) | 2021-12-31 | 2021-12-31 | Nuclear-grade rotating equipment coupler centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123410012.6U CN217058656U (en) | 2021-12-31 | 2021-12-31 | Nuclear-grade rotating equipment coupler centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217058656U true CN217058656U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123410012.6U Active CN217058656U (en) | 2021-12-31 | 2021-12-31 | Nuclear-grade rotating equipment coupler centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217058656U (en) |
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2021
- 2021-12-31 CN CN202123410012.6U patent/CN217058656U/en active Active
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