CN214222162U - Special hand wheel pole of pneumatic control valve pushes away a set subassembly - Google Patents
Special hand wheel pole of pneumatic control valve pushes away a set subassembly Download PDFInfo
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- CN214222162U CN214222162U CN202022594459.2U CN202022594459U CN214222162U CN 214222162 U CN214222162 U CN 214222162U CN 202022594459 U CN202022594459 U CN 202022594459U CN 214222162 U CN214222162 U CN 214222162U
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Abstract
The utility model relates to a nuclear power equipment field especially relates to special hand wheel pole pushing disk subassembly of pneumatic control valve of wearless. The assembly comprises: the device comprises a push disc, a stop disc, a hand wheel rod, a plane thrust bearing and a pin shaft; the push disc is disc-shaped; a first through hole is formed in the outer side of the central line of the push disc; the section of the stopping disc is in a shape like a Chinese character 'ji', and one side of the outer diameter of the stopping disc is welded with the push disc; the side surface of the stop disk is provided with a notch; a second through hole is formed in the center of the notch; the hand wheel rod is perpendicular to the push disc, and the lower part of the hand wheel rod is embedded into the notch of the stop disc; the hand wheel rod transmits the force of the hand wheel to the push disc through the thrust bearing; the plane thrust bearing is arranged in the stop disc and is positioned between the hand wheel rod and the push disc; the pin shaft is inserted into the first through hole and the second through hole. The utility model discloses can effectively avoid hand wheel pole pine to take off, diaphragm damage and valve function inefficacy from pushing away the dish when realizing pneumatic control valve's manually operation.
Description
Technical Field
The utility model relates to a nuclear power equipment field especially relates to a special hand wheel pole pushing disk assembly of pneumatic control valve.
Background
The pneumatic regulating valve is an important device for realizing medium regulation in a nuclear power plant, and the membrane type actuating mechanism is the most commonly used pneumatic regulating valve actuating mechanism. After compressed air enters the diaphragm chamber, the compressed air pushes the push rod of the actuating mechanism to move so as to drive the valve rod and the valve core to move, change the cross section area of medium circulation and adjust medium process parameters; the actuator relies on a compression spring to effect the return.
The pneumatic regulating valve of the nuclear power plant is generally provided with a hand wheel device so as to realize manual operation under debugging, maintenance or emergency working conditions. The traditional hand wheel rod pushing disc assembly has the problems that the pushing disc is easy to damage, the hand wheel rod is easy to separate from the pushing disc, and the rubber diaphragm is damaged and the valve function fails.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a special hand wheel pole of pneumatic control valve pushes away a set subassembly can promote the diaphragm downstream, and then drives actuating mechanism push rod and valve rod and move down, realizes the medium and adjusts, can avoid traditional device probability of failure height problem simultaneously.
The utility model provides a special hand wheel pole pushing disk subassembly of pneumatic control valve, include: the device comprises a push disc, a stop disc, a hand wheel rod, a plane thrust bearing and a pin shaft;
the push disc is disc-shaped; a first through hole is formed in the outer side of the central line of the push disc;
the section of the stopping disc is in a shape like a Chinese character 'ji', and one side of the outer diameter of the stopping disc is welded with the push disc; the side surface of the stop disk is provided with a notch; a second through hole is formed in the center of the notch;
the hand wheel rod is perpendicular to the push disc, and the lower part of the hand wheel rod is embedded into the notch of the stop disc; the hand wheel rod transmits the force of the hand wheel to the push disc through the thrust bearing;
the plane thrust bearing is arranged in the stop disc and is positioned between the hand wheel rod and the push disc;
the pin shaft is inserted into the first through hole and the second through hole.
Preferably, a first through hole is formed in the position 12mm outside the central line of the push disc, and the diameter of the first through hole is 1.6 mm.
Preferably, the outer diameter of the push disc is 64mm, the bottom chamfer is 5 x 1.5mm, and the thickness is 5 mm.
Preferably, the width of the cut is 20 mm.
Preferably, a second through hole is formed in the position 12mm outside the center line of the stop disc, and the diameter of the second through hole is 1.6 mm.
Preferably, the stop disc has a lower outer diameter of 64mm, an upper outer diameter of 42mm, a wall thickness of 3mm, an upper central bore diameter of 14mm and an overall height of 19 mm.
Preferably, the hand wheel lever comprises a first optical axis, a second optical axis, and a tool withdrawal groove arranged between the first optical axis and the second optical axis;
threads are respectively arranged at two ends of the first optical axis;
the other end of the second optical axis, which is far away from the tool withdrawal groove, is sequentially provided with a transition section and a thrust head respectively.
Preferably, the total length of the hand wheel rod is 178.5mm, the length of the thread at one end of the first optical axis is 10mm, the thread is used for installing a hand wheel fixing nut, and the length of the thread at the other end of the first optical axis is 80mm, and the hand wheel rod is matched with the valve rod nut to realize the up-and-down movement of the hand wheel rod; the length of an optical axis between threads at two ends is 10 mm;
the length of the tool withdrawal groove is 3 mm;
the second optical axis is 69mm long; the size of the transition section is phi 7 multiplied by 4 mm;
the size of the cutter pushing head is phi 10 multiplied by 2.5 mm.
Preferably, the dimensions of the flat thrust bearing are phi 6 x phi 10 x 3 mm.
Preferably, the size of the pin shaft is phi 1.5 x 22 mm.
Compared with the prior art, the utility model discloses a special hand wheel pole pushing tray subassembly of pneumatic governing valve can realize pneumatic governing valve's manually operation to can avoid hand wheel pole lower end and push away the friction of dish, locking dish, cause hand wheel pole and push away the dish pine and take off, directly push up the diaphragm and cause the diaphragm damage, valve function inefficacy.
Drawings
Fig. 1 shows a schematic structural view of the hand wheel lever pushing plate assembly of the present invention.
Detailed Description
For further understanding of the present invention, embodiments of the present invention are described below with reference to examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the present invention.
The embodiment of the utility model discloses a special hand wheel pole pushing disk subassembly of pneumatic control valve, as shown in figure 1, include: the device comprises a push disc 1, a stop disc 2, a hand wheel rod 3, a plane thrust bearing 4 and a pin shaft 5;
the hand wheel rod transmits the force of the hand wheel to the push disc through the thrust bearing, and then the diaphragm of the valve is pushed to move downwards. And the hand wheel (right-handed thread) is rotated anticlockwise, the hand wheel rod moves upwards, and the diaphragm moves upwards under the action of the spring force to drive the valve rod to move upwards.
The size of the hand wheel rod pushing disc assembly can be modified according to the design parameters of the pneumatic regulating valve.
The push disc 2 is disc-shaped; a first through hole is formed in the position 12mm outside the center line of the push disc 2, the diameter of the first through hole is 1.6mm, and the first through hole is used for installing a pin shaft; the outer diameter of the push disc is 64mm, the bottom chamfer angle is 5 multiplied by 1.5mm, namely the bottom diameter phi 54 is equal to the thickness of the push disc is 5 mm;
the cross section of the stop disc 2 is in a shape like a Chinese character 'ji', and one side of the outer diameter of the stop disc 2 is welded with the push disc 1; the side surface of the stop disk 2 is provided with a notch, and the width of the notch is 20 mm; a second through hole is formed in the position 12mm outside the central line of the notch, the diameter of the second through hole is 1.6mm, and the second through hole corresponds to the first through hole and is used for mounting a pin shaft;
the outer diameter of the lower part of the stop disc is 64mm, the outer diameter of the upper part of the stop disc is 42mm, the wall thickness of the stop disc is 3mm, the central hole diameter of the upper part of the stop disc is 14mm, and the total height of the stop disc is 19 mm.
The hand wheel rod 3 is arranged perpendicular to the push disc 1, and the lower part of the hand wheel rod is embedded into the notch of the stop disc 2; the hand wheel rod 3 transmits the force of the hand wheel to the push disc 1 through the thrust bearing;
the hand wheel rod is in a shaft shape and is used for transmitting the force of the hand wheel. The optical axis adjusting device comprises a first optical axis, a second optical axis and a tool withdrawal groove arranged between the first optical axis and the second optical axis;
threads are respectively arranged at two ends of the first optical axis;
the other end of the second optical axis, which is far away from the tool withdrawal groove, is sequentially provided with a transition section and a thrust head respectively. The total length of the hand wheel rod is 178.5mm, the length of the thread at one end of the first optical axis is 10mm, the thread is used for installing a hand wheel fixing nut, and the length of the thread at the other end of the first optical axis is 80mm, and the hand wheel rod is matched with the valve rod nut to realize the up-and-down movement of the hand wheel rod; the length of an optical axis between threads at two ends is 10 mm;
the length of the tool withdrawal groove is 3 mm;
a second optical axis is arranged below the tool withdrawal groove, the dimension phi is 12mm multiplied by 69mm, and the second optical axis plays a guiding role in the hand wheel rod bracket;
the size of the transition section is phi 7 multiplied by 4 mm;
the size of the cutter pushing head is phi 10 multiplied by 2.5 mm.
The plane thrust bearing 4 is arranged in the stopping disc 2 and is positioned between the hand wheel rod 3 and the pushing disc 1; the function is to eliminate the rotation of the hand wheel rod, avoid wearing and tearing the push disk and transmit hand wheel rod moment. The size of the plane thrust bearing is phi 6 multiplied by phi 10 multiplied by 3mm, and the plane thrust bearing is matched with the size of a thrust head of a hand wheel rod.
The pin shaft is inserted into the first through hole and the second through hole, so that the hand wheel rod and the plane thrust bearing are prevented from being separated. The dimension phi is 1.5 multiplied by 22 mm.
The above description of the embodiments is only intended to help understand the method of the present invention and its core ideas. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a special hand wheel pole pushing disk subassembly of pneumatic control valve which characterized in that includes: the device comprises a push disc, a stop disc, a hand wheel rod, a plane thrust bearing and a pin shaft;
the push disc is disc-shaped; a first through hole is formed in the outer side of the central line of the push disc;
the section of the stopping disc is in a shape like a Chinese character 'ji', and one side of the outer diameter of the stopping disc is welded with the push disc; the side surface of the stop disk is provided with a notch; a second through hole is formed in the center of the notch;
the hand wheel rod is perpendicular to the push disc, and the lower part of the hand wheel rod is embedded into the notch of the stop disc; the hand wheel rod transmits the force of the hand wheel to the push disc through the thrust bearing;
the plane thrust bearing is arranged in the stop disc and is positioned between the hand wheel rod and the push disc;
the pin shaft is inserted into the first through hole and the second through hole.
2. The hand wheel rod push disc assembly special for the pneumatic regulating valve is characterized in that a first through hole is formed in the position 12mm outside the center line of the push disc, and the diameter of the first through hole is 1.6 mm.
3. The hand wheel rod push disc assembly special for the pneumatic adjusting valve as claimed in claim 2, wherein the outer diameter of the push disc is 64mm, the bottom chamfer is 5 x 1.5mm, and the thickness is 5 mm.
4. The hand wheel lever push plate assembly special for the pneumatic adjusting valve as claimed in claim 2, wherein the width of the notch is 20 mm.
5. The hand wheel rod pushing disc assembly special for the pneumatic regulating valve as claimed in claim 4, wherein a second through hole is formed in the position 12mm outside the center line of the stop disc, and the diameter of the second through hole is 1.6 mm.
6. The hand wheel rod pushing disc assembly special for the pneumatic adjusting valve is characterized in that the stop disc is 64mm in lower outer diameter, 42mm in upper outer diameter, 3mm in wall thickness, 14mm in upper central hole diameter and 19mm in total height.
7. The hand wheel lever push plate assembly special for the pneumatic adjusting valve as claimed in claim 1, wherein the hand wheel lever comprises a first optical axis, a second optical axis, and a tool withdrawal groove arranged between the first optical axis and the second optical axis;
threads are respectively arranged at two ends of the first optical axis;
the other end of the second optical axis, which is far away from the tool withdrawal groove, is sequentially provided with a transition section and a thrust head respectively.
8. The hand wheel rod pushing disc assembly special for the pneumatic adjusting valve is characterized in that the total length of the hand wheel rod is 178.5mm, the thread length of one end of the first optical axis is 10mm and is used for installing a hand wheel fixing nut, and the thread length of the other end of the first optical axis is 80mm and is used for being matched with a valve rod nut to realize the up-and-down movement of the hand wheel rod; the length of an optical axis between threads at two ends is 10 mm;
the length of the tool withdrawal groove is 3 mm;
the second optical axis is 69mm long;
the size of the transition section is phi 7 multiplied by 4 mm;
the size of the thrust head is phi 10 multiplied by 2.5 mm.
9. The hand wheel rod push disc assembly special for the pneumatic adjusting valve as claimed in claim 8, wherein the size of the plane thrust bearing is phi 6 x phi 10 x 3 mm.
10. The hand wheel rod pushing disc assembly special for the pneumatic adjusting valve as claimed in claim 8, wherein the size of the pin shaft is phi 1.5 x 22 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022594459.2U CN214222162U (en) | 2020-11-11 | 2020-11-11 | Special hand wheel pole of pneumatic control valve pushes away a set subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022594459.2U CN214222162U (en) | 2020-11-11 | 2020-11-11 | Special hand wheel pole of pneumatic control valve pushes away a set subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214222162U true CN214222162U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022594459.2U Active CN214222162U (en) | 2020-11-11 | 2020-11-11 | Special hand wheel pole of pneumatic control valve pushes away a set subassembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303321A (en) * | 2020-11-11 | 2021-02-02 | 福建福清核电有限公司 | Special hand wheel pole of pneumatic control valve pushes away a set subassembly |
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2020
- 2020-11-11 CN CN202022594459.2U patent/CN214222162U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112303321A (en) * | 2020-11-11 | 2021-02-02 | 福建福清核电有限公司 | Special hand wheel pole of pneumatic control valve pushes away a set subassembly |
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