CN205118425U - Ball valve examines and repair sealed machinery and locks spindle bolt - Google Patents
Ball valve examines and repair sealed machinery and locks spindle bolt Download PDFInfo
- Publication number
- CN205118425U CN205118425U CN201520874964.9U CN201520874964U CN205118425U CN 205118425 U CN205118425 U CN 205118425U CN 201520874964 U CN201520874964 U CN 201520874964U CN 205118425 U CN205118425 U CN 205118425U
- Authority
- CN
- China
- Prior art keywords
- throwing
- function nut
- sleeve
- ball valve
- back function
- 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.)
- Withdrawn - After Issue
Links
- 238000012423 maintenance Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
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- Transmission Devices (AREA)
Abstract
(B, ) the utility model discloses a ball valve examines and repair sealed machinery and locks spindle bolt, including mechanical locking lever (1), mechanical locking lever (1) upper end outside is equipped with to throw moves back function nut (2), throws to move back function nut (2) upper end outside and be equipped with setting stick (3), and setting stick (3) one side is equipped with to throw and moves back the function nut and support (5), throws to move back the function nut and support (5) bottom and be equipped with sleeve (6), sleeve (6) are inside to be equipped with spacing ring (7), and sleeve (6) tip is equipped with uide pin (8), machinery locking lever (1) lower extreme lies in sleeve (6) outside. The utility model has the characteristics of easy operation and operating time lack, can reduce intensity of labour, extension mechanical lock spindle bolt life and improve the absorbed rate of accuracy of locking lever etc. (B, )
Description
Technical field
the utility model relate 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.
Model utility content
the purpose of this utility model is to provide a kind of ball valve 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.
the technical solution of the utility model: 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 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 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 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 utility model, 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 utility model 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 utility model.
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 utility model is further described, but not as the foundation limited the utility model.
embodiment.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 utility model: 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. 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. 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. 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. 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. 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 |
|---|---|---|---|
| CN201520874964.9U CN205118425U (en) | 2015-11-05 | 2015-11-05 | Ball valve examines and repair sealed machinery and locks spindle bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520874964.9U CN205118425U (en) | 2015-11-05 | 2015-11-05 | Ball valve examines and repair sealed machinery and locks spindle bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205118425U true CN205118425U (en) | 2016-03-30 |
Family
ID=55574039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520874964.9U Withdrawn - After Issue CN205118425U (en) | 2015-11-05 | 2015-11-05 | Ball valve examines and repair sealed machinery and locks spindle bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205118425U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240610A (en) * | 2015-11-05 | 2016-01-13 | 国家电网公司 | Mechanical locking bolt for maintaining and sealing ball valve |
-
2015
- 2015-11-05 CN CN201520874964.9U patent/CN205118425U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240610A (en) * | 2015-11-05 | 2016-01-13 | 国家电网公司 | Mechanical locking bolt for maintaining and sealing ball valve |
| CN105240610B (en) * | 2015-11-05 | 2017-07-04 | 国家电网公司 | A kind of ball valve maintenance sealing machine lock ingot bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160330 Effective date of abandoning: 20170704 |