CN112303321A - 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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- CN112303321A CN112303321A CN202011253348.3A CN202011253348A CN112303321A CN 112303321 A CN112303321 A CN 112303321A CN 202011253348 A CN202011253348 A CN 202011253348A CN 112303321 A CN112303321 A CN 112303321A
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- hand wheel
- disc
- wheel rod
- push
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims description 32
- 230000007704 transition Effects 0.000 claims description 6
- 239000012528 membrane Substances 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention relates to the field of nuclear power equipment, in particular to a hand wheel rod push disc assembly special for a pneumatic regulating valve. 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 invention can realize the manual operation of the pneumatic regulating valve and effectively avoid the loosening of the hand wheel rod from the push disc, the damage of the membrane and the failure of the valve function.
Description
Technical Field
The invention relates to the field of nuclear power equipment, in particular to a hand wheel rod push disc assembly special for a pneumatic regulating 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.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: 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 invention provides a hand wheel rod pushing disc assembly special for a pneumatic regulating valve, which 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.
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 hand wheel rod push disc assembly special for the pneumatic regulating valve can realize the manual operation of the pneumatic regulating valve, and can avoid the friction between the lower end of the hand wheel rod and the push disc and the friction between the lower end of the hand wheel rod and the stop disc, the loosening of the hand wheel rod and the push disc, the damage to a diaphragm caused by directly pushing the diaphragm and the failure of the valve function.
Drawings
Fig. 1 shows a schematic structural view of a hand wheel lever push plate assembly of the present invention.
Detailed Description
For a further understanding of the invention, embodiments of the invention are described below in conjunction with the examples, but it should be understood that these descriptions are included merely to further illustrate features and advantages of the invention, and are not intended to limit the invention.
The embodiment of the invention discloses a hand wheel rod pushing disc assembly special for a pneumatic regulating valve, which comprises the following components in part by weight as shown in figure 1: 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 facilitate the understanding of the method of the invention and its core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
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 special hand wheel rod pushing disc assembly for the pneumatic adjusting valve as claimed in claim 1, wherein the total length of the hand wheel rod is 178.5mm, the thread length of one end of the first optical axis is 10mm for mounting a hand wheel fixing nut, and the thread length of the other end of the first optical axis is 80mm for matching 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 cutter pushing 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 |
|---|---|---|---|
| CN202011253348.3A CN112303321A (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 |
|---|---|---|---|
| CN202011253348.3A CN112303321A (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 |
|---|---|
| CN112303321A true CN112303321A (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011253348.3A Pending CN112303321A (en) | 2020-11-11 | 2020-11-11 | Special hand wheel pole of pneumatic control valve pushes away a set subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112303321A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030038266A1 (en) * | 2001-08-24 | 2003-02-27 | Hallden Donald F. | Reduced torque gate valve with roller screw |
| CN204922183U (en) * | 2015-08-18 | 2015-12-30 | 杭州佳能阀门有限公司 | A hand wheel mechanism for among pneumatic control valve |
| CN205884077U (en) * | 2016-08-08 | 2017-01-18 | 江苏省安庆源农业发展有限公司 | Can be according to soil environment fertilizer irrigation's mushroom culture apparatus |
| CN107906218A (en) * | 2017-10-30 | 2018-04-13 | 福建福清核电有限公司 | A kind of nuclear power station condensation water precision processing system exports main pipe regulation ball valve |
| CN110513529A (en) * | 2019-08-20 | 2019-11-29 | 吴忠仪表有限责任公司 | High thrust top fills handwheel |
| CN214222162U (en) * | 2020-11-11 | 2021-09-17 | 福建福清核电有限公司 | Special hand wheel pole of pneumatic control valve pushes away a set subassembly |
-
2020
- 2020-11-11 CN CN202011253348.3A patent/CN112303321A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030038266A1 (en) * | 2001-08-24 | 2003-02-27 | Hallden Donald F. | Reduced torque gate valve with roller screw |
| CN204922183U (en) * | 2015-08-18 | 2015-12-30 | 杭州佳能阀门有限公司 | A hand wheel mechanism for among pneumatic control valve |
| CN205884077U (en) * | 2016-08-08 | 2017-01-18 | 江苏省安庆源农业发展有限公司 | Can be according to soil environment fertilizer irrigation's mushroom culture apparatus |
| CN107906218A (en) * | 2017-10-30 | 2018-04-13 | 福建福清核电有限公司 | A kind of nuclear power station condensation water precision processing system exports main pipe regulation ball valve |
| CN110513529A (en) * | 2019-08-20 | 2019-11-29 | 吴忠仪表有限责任公司 | High thrust top fills handwheel |
| CN214222162U (en) * | 2020-11-11 | 2021-09-17 | 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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