CN105240610A - Mechanical locking bolt for maintaining and sealing ball valve - Google Patents
Mechanical locking bolt for maintaining and sealing ball valve Download PDFInfo
- Publication number
- CN105240610A CN105240610A CN201510743254.7A CN201510743254A CN105240610A CN 105240610 A CN105240610 A CN 105240610A CN 201510743254 A CN201510743254 A CN 201510743254A CN 105240610 A CN105240610 A CN 105240610A
- Authority
- CN
- China
- Prior art keywords
- throwing
- function nut
- sleeve
- back function
- ball valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- F16K43/00—Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose
- F16K43/001—Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose an auxiliary valve being actuated independently of the main valve
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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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
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a mechanical locking bolt for maintaining and sealing a ball valve. The mechanical locking bolt comprises a mechanical locking rod (1), wherein the outer part of the upper end of the mechanical locking rod (1) is provided with a feed-back function nut (2); the outer part of the upper end of the feed-back function nut (2) is provided with a hand disc (3); one side of the hand disc (3) is provided with a feed-back function nut support (5); the bottom end of the feed-back function nut support (5) is provided with a sleeve (6); the inner part of the sleeve (6) is provided with a limiting ring (7); the end part of the sleeve (6) is provided with a guide pin (8); and the lower end of the mechanical locking rod (1) is positioned on the outer part of the sleeve (6). The mechanical locking bolt has the characteristics of being simple to operate, short in operation time, capable of reducing labor intensity, prolonging the service life of the mechanical locking bolt and improving an accuracy rate of putting in the locking rod, and the like.
Description
Technical field
the present invention relates to a kind of bolt, particularly a kind of ball valve maintenance sealing machine lock ingot bolt.
Background technique
present Large Hydropower Station inlet valve all adopts ball valve mostly, and ball valve is generally made up of parts such as valve body, working seal, maintenance sealing, bypass valve, needs unit water intake ball valve to be carried out safety, reliably isolate when the large-scale maintenance of unit, avoids the generation of accident.When the closedown of ball valve, ball valve is overhauled sealing machine lock ingot bolt to drop into, play the effect of effective isolated high-voltage water.When dropping into mechanical lock ingot bolt overhaul, need to carry out operation throwing with adjustable spanner and move back function nut and mechanical lock rod withstood ball valve and overhaul air-tight movable ring, the required operating time is longer, too increases the operation easier of workman; And because manual operations is firmly uneven in the process dropped into, cause the in different size of the frictional force of mechanical lock rod, there is rotation in various degree in the direct driving mechanical locking bar of meeting, causes mechanical lock rod to drop into and put in place; In addition, the position at mechanical lock ingot bolt place is higher, for the narrow space of operative, adds operation easier and the labor intensity of workman; Add ambient humidity comparatively large, bolt is easy to get rusty, and is just more unfavorable for operation; Frictional force simultaneously owing to producing during operation is very large, the serious wear of each component of mechanical lock ingot bolt, shortens mechanical lock ingot bolt working life.Therefore, existing mechanical lock ingot bolt also exists that operation easier is large, the operating time is long, labor intensity that is workman is high, mechanical lock ingot bolt working life is short and the problem such as the accurate low power of locking bar.
Summary of the invention
a kind of ball valve is the object of the present invention is to provide to overhaul sealing machine lock ingot bolt.It has simple to operate and the operating time is short, can reduce labor intensity, prolonged mechanical lock ingot bolt working life and improve the features such as accuracy rate that locking bar drops into.
technological scheme of the present invention: a kind of ball valve maintenance sealing machine lock ingot bolt, comprise mechanical lock rod, outside, mechanical lock rod upper end is provided with throwing and moves back function nut, throwing is moved back outside, function nut upper end and is provided with setting stick, setting stick upper end is provided with setting stick locking nut, setting stick lower end is provided with throwing and moves back function nut support, and throwing is moved back function nut support bottom and is provided with sleeve; Described sleeve inner is provided with limited ring, and sleeve ends is provided with guide finger; Described throwing is moved back function nut support outer surface and is provided with anti-reverse loosening screw thread, and throwing is moved back function nut support side and is also provided with position locking nut.
in aforesaid a kind of ball valve maintenance sealing machine lock ingot bolt, described throwing is moved back between function nut support moves back function nut surface of contact at setting stick and throwing and is equipped with wear-resistant, throws and moves back the cylinder that function nut support is hollow structure.
in aforesaid a kind of ball valve maintenance sealing machine lock ingot bolt, the cylindrical structure centered by function nut main body with through hole is moved back in described throwing, and cylinder ends is provided with boss structure, and throwing the connection of moving back between function nut and mechanical lock rod is that square threaded form connects.
in aforesaid a kind of ball valve maintenance sealing machine lock ingot bolt, described guide finger is connected with guiding cotter way, and guiding cotter way is connected with sleeve ends, and guide finger, guiding cotter way and limited ring are all positioned at throwing moves back function nut support.
compared with prior art, throwing is moved back function nut and is connected with setting stick by the present invention, and by square threaded form transmitting torque, directly rotary manipulation carried out to function nut thus indirectly axial moving up and down carried out to mechanical lock rod, operation is made to become simple, shorten the operating time, only need rotate setting stick simultaneously and just mechanical lock rod can be dropped into, alleviate the labor intensity of workman; The frictional force of function nut in rotary movement can be alleviated by arranging wear-resistant, making operation lighter, extending working life; Guide finger is installed and can guarantees that mechanical lock rod can only axially move up and down in the process moved up and down, and there will not be rotation, guarantee the normal input of mechanical lock rod; Mounting limit ring in sleeve, can the position exited of limit mechanical locking bar, makes it to exit too many thus has influence on other component.Therefore, the present invention has simple to operate and the operating time is short, can reduce labor intensity, prolonged mechanical lock ingot bolt working life and improve the features such as accuracy rate that locking bar drops into.
Accompanying drawing explanation
fig. 1 is structural representation of the present invention.
description of symbols in accompanying drawing: 1-mechanical lock rod, 2-throws and moves back function nut, 3-setting stick, 4-setting stick locking nut, 5-throws and moves back function nut support, 6-sleeve, 7-limited ring, 8-guide finger, the anti-reverse loosening screw thread of 9-, 10-position locking nut, wear-resistant of 11-, 12-lead cotter way.
Embodiment
below in conjunction with drawings and Examples, the present invention is further illustrated, but not as the foundation limited the present invention.
embodiment.A kind of ball valve maintenance sealing machine lock ingot bolt, form as shown in Figure 1, comprise mechanical lock rod 1, outside, mechanical lock rod 1 upper end is provided with throwing and moves back function nut 2, throwing is moved back outside, function nut 2 upper end and is provided with setting stick 3, setting stick 3 upper end is provided with setting stick locking nut 4, and setting stick 3 lower end is provided with throwing and moves back function nut support 5, and throwing is moved back function nut support 5 bottom and is provided with sleeve 6; Described sleeve 6 inside is provided with limited ring 7, and sleeve 6 end is provided with guide finger 8; Described throwing is moved back function nut support 5 outer surface and is provided with anti-reverse loosening screw thread 9, and throwing is moved back function nut support 5 side and is also provided with position locking nut 10.
described throwing move back function nut support 5 setting stick 3 and throw move back function nut 2 surface of contact between be equipped with wear-resistant 11, throw and move back the cylinder that function nut support 5 is hollow structure.
the cylindrical structure centered by function nut 2 main body with through hole is moved back in described throwing, and cylinder ends is provided with boss structure, and throwing the connection of moving back between function nut 2 and mechanical lock rod 1 is that square threaded form connects.
described guide finger 8 is connected with guiding cotter way 12, and guiding cotter way 12 is connected with sleeve 6 end, and guide finger 8, lead cotter way 12 and limited ring 7 are all positioned at throwing and move back function nut support 5.
working principle of the present invention: be arranged on by lock bolt on anti-reverse loosening screw thread 9, fixes to throw with this and moves back function nut support 5, ensure that throwing is moved back function nut support 5 and can not arbitrarily be loosened; Utilize setting stick locking nut 5 to fix setting stick, throwing moved back function nut 2 with position locking nut 10 and move back function nut support 5 with throwing and be connected and fix; Setting stick 3 and throwing are moved back function nut 2 and are connected, directly moving back function nut 2 to throwing carries out rotary manipulation, the power of sense of rotation is transformed into axial force, thus indirectly can carry out axial moving up and down to mechanical lock rod 1, function nut 2 is moved back in throwing and mechanical lock rod 1 adopts square threaded form to carry out transmitting torque, makes its moment transmitted larger more reliable; Be provided with guide finger 8 above sleeve 6, so ensure that the moving line of mechanical lock rod 1, guarantee that mechanical lock rod can only axially move, and there will not be the phenomenon of rotation.Rotate setting stick 3, driving mechanical locking bar 1 does axial downward movement, thus achieve the input of mechanical lock rod 1, when setting stick 3 rotates in the opposite direction, mechanical lock rod 1 does and axially moves upward, thus mechanical lock rod 1 is exited, and is provided with limited ring 7 in sleeve 6, can the position exited of limit mechanical locking bar 1, make it to exit too many thus have influence on other component.
described sleeve 6 is divided into upper and lower two-part, and upper and lower two-part internal diameter is equal and be all greater than the diameter of mechanical lock rod 1, and top external diameter is greater than lower outer diameter, and upper inside wall and mechanical lock rod 1 seal, bottom outer wall and valve seal; The length of sleeve 6 is less than the length of mechanical lock rod 1.The effect of sleeve 6 is and coordinating between ball valve body and mechanical lock rod 1, water in ball valve maintenance Seal cage is sealed, when sleeve 6 carries operable lock ingot bolt, suffered power is delivered to the effect of valve body, sleeve 6 also plays the effect of location and guiding to whole mechanical lock rod 1.
Claims (5)
1. a ball valve maintenance sealing machine lock ingot bolt, it is characterized in that: comprise mechanical lock rod (1), mechanical lock rod (1) outside, upper end is provided with throwing and moves back function nut (2), throwing is moved back function nut (2) outside, upper end and is provided with setting stick (3), setting stick (3) upper end is provided with setting stick locking nut (4), setting stick (3) lower end is provided with throwing and moves back function nut support (5), and throwing is moved back function nut support (5) bottom and is provided with sleeve (6); Described sleeve (6) inside is provided with limited ring (7), and sleeve (6) end is provided with guide finger (8); It is outside that described mechanical lock rod (1) lower end is positioned at sleeve (6).
2. a kind of ball valve maintenance sealing machine lock ingot bolt according to claim 1, it is characterized in that: described throwing is moved back between function nut support (5) moves back function nut (2) surface of contact at setting stick (3) and throwing and is equipped with wear-resistant (11), throws and moves back the cylinder that function nut support (5) is hollow structure.
3. a kind of ball valve maintenance sealing machine lock ingot bolt according to claim 1, it is characterized in that: the cylindrical structure centered by function nut (2) main body with through hole is moved back in described throwing, cylinder ends is provided with boss structure, and throwing the connection of moving back between function nut (2) and mechanical lock rod (1) is that square threaded form connects.
4. a kind of ball valve maintenance sealing machine lock ingot bolt according to claim 1, it is characterized in that: described guide finger (8) is connected with guiding cotter way (12), guiding cotter way (12) is connected with sleeve (6) end, and guide finger (8), lead cotter way (12) and limited ring (7) are all positioned at throwing and move back function nut support (5).
5. a kind of ball valve maintenance sealing machine lock ingot bolt according to claim 1, it is characterized in that: described throwing is moved back function nut support (5) outer surface and is provided with anti-reverse loosening screw thread (9), throwing is moved back function nut support (5) side and is also provided with position locking nut (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510743254.7A CN105240610B (en) | 2015-11-05 | 2015-11-05 | A kind of ball valve maintenance sealing machine lock ingot bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510743254.7A CN105240610B (en) | 2015-11-05 | 2015-11-05 | A kind of ball valve maintenance sealing machine lock ingot bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105240610A true CN105240610A (en) | 2016-01-13 |
| CN105240610B CN105240610B (en) | 2017-07-04 |
Family
ID=55038376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510743254.7A Active CN105240610B (en) | 2015-11-05 | 2015-11-05 | A kind of ball valve maintenance sealing machine lock ingot bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105240610B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2566503B1 (en) * | 1984-06-20 | 1986-12-19 | Joucomatic Sa | SAFETY DEVICE FOR MOTORIZED OR MANUAL VALVES OR VALVES |
| CN101844343A (en) * | 2009-03-26 | 2010-09-29 | 胡立峰 | Hand wheel type nondestructive pin pulling-out mechanism |
| CN202280871U (en) * | 2011-10-31 | 2012-06-20 | 中阀科技(长沙)阀门有限公司 | Novel main seal structure of hydroelectric water inlet ball valve |
| CN203035441U (en) * | 2012-11-20 | 2013-07-03 | 天津市科音自控设备有限公司 | Manual operated mechanism of locking ingot type hydraulic servomotor |
| CN203779437U (en) * | 2014-03-24 | 2014-08-20 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Fast detaching tool for high pressure water valve group valve seat |
| CN204140896U (en) * | 2014-09-29 | 2015-02-04 | 铁岭特种阀门股份有限公司 | There is the double seals butterfly valve of body movable sealing ring auxiliary drive |
| CN205118425U (en) * | 2015-11-05 | 2016-03-30 | 国家电网公司 | Ball valve examines and repair sealed machinery and locks spindle bolt |
-
2015
- 2015-11-05 CN CN201510743254.7A patent/CN105240610B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2566503B1 (en) * | 1984-06-20 | 1986-12-19 | Joucomatic Sa | SAFETY DEVICE FOR MOTORIZED OR MANUAL VALVES OR VALVES |
| CN101844343A (en) * | 2009-03-26 | 2010-09-29 | 胡立峰 | Hand wheel type nondestructive pin pulling-out mechanism |
| CN202280871U (en) * | 2011-10-31 | 2012-06-20 | 中阀科技(长沙)阀门有限公司 | Novel main seal structure of hydroelectric water inlet ball valve |
| CN203035441U (en) * | 2012-11-20 | 2013-07-03 | 天津市科音自控设备有限公司 | Manual operated mechanism of locking ingot type hydraulic servomotor |
| CN203779437U (en) * | 2014-03-24 | 2014-08-20 | 甘肃酒钢集团宏兴钢铁股份有限公司 | Fast detaching tool for high pressure water valve group valve seat |
| CN204140896U (en) * | 2014-09-29 | 2015-02-04 | 铁岭特种阀门股份有限公司 | There is the double seals butterfly valve of body movable sealing ring auxiliary drive |
| CN205118425U (en) * | 2015-11-05 | 2016-03-30 | 国家电网公司 | Ball valve examines and repair sealed machinery and locks spindle bolt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105240610B (en) | 2017-07-04 |
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