CN207406901U - The ball valve position hydraulic pressure locking device being installed on pivoted arm - Google Patents
The ball valve position hydraulic pressure locking device being installed on pivoted arm Download PDFInfo
- Publication number
- CN207406901U CN207406901U CN201721512850.5U CN201721512850U CN207406901U CN 207406901 U CN207406901 U CN 207406901U CN 201721512850 U CN201721512850 U CN 201721512850U CN 207406901 U CN207406901 U CN 207406901U
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- China
- Prior art keywords
- lock ingot
- end cap
- ball valve
- hole
- ingot
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- 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.)
- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000012856 packing Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 238000003754 machining Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of ball valve position hydraulic pressure locking device being installed on pivoted arm.Chamber oil connection, lock ingot pin connection bolt, lock ingot pin, sleeve, pivoted arm, ball valve body, screw, position instruction disk, lock ingot input position detecting switch, lock ingot are exited including piston rod, end cap fastening bolt, outer end cap, lock ingot input chamber oil connection, large sealing packing ring, cylinder body, small sealing ring, valve seat fastening bolt, inner end cap, lock ingot and exits position detecting switch, position detecting switch stent, and the present apparatus can be used for the standard-sized sheet of turbine-generator units water intake ball valve and the mechanical-hydraulic lock ingot of closed positions.
Description
Technical field
The utility model is related to a kind of ball valve position hydraulic pressure locking devices being installed on pivoted arm.
Background technology
Water turbine set water intake ball valve volume and weight are very big, and the general servomotor using by high pressure oil control carries out ball valve
Opening and closing action, when compressor emergency shutdown ball valve be in closed positions, for prevent servomotor malfunction opening ball valve, it is necessary to
Ball valve closed positions lock ingot is carried out, it is necessary to carry out lock ingot to the fully open position of ball valve equally in unit maintenance.Traditional locks ingot fills
It puts and is typically designed at servomotor telescopic rod, but since the operating work of high pressure oil is larger, malfunctioned in the event of servomotor,
It can make servomotor telescopic rod that telescopic rod be caused to deform and then destroy servomotor sealing, influence unit fortune by larger shearing force
Row safety, cause economic loss, in addition, conventional locking mechanisms using in-site installation go forward side by side row position measuring and calculating adjust, work on the spot
Amount is big.
The content of the invention
The purpose of this utility model is to provide one kind can be rapidly completed ball valve standard-sized sheet and fully closed position by hydraulic control system
It the lock ingot input put and exits, accurate feedback locking device input and state can be exited, beneficial to the peace for realizing automation control
Loaded on the ball valve position hydraulic pressure locking device being installed on pivoted arm on pivoted arm.The technical solution of the utility model is：A kind of peace
Loaded on the ball valve position hydraulic pressure locking device on pivoted arm, the first oil-through-hole (21), the first oil-through-hole are processed inside outer end cap (3)
(21) close to upper surface be threaded hole for install lock ingot input chamber oil connection (4), inner end cap (9) is internal to process second
Oil-through-hole (22), the second oil-through-hole (22) close to upper surface be threaded hole for install lock ingot exit chamber oil connection
(10), cylinder body (6) both ends difference fixed outer ends lid (3), inner end cap (9), outer end cap (3), inner end cap (9) and end cap fasten spiral shell
Bolt (2) is equipped to be fixed, and piston rod (1) is located in cylinder body (6) and forms the valve body portion that surges, outer end cap (3), inner end cap
(9) and on piston rod (1) seal element machining card slot is distinguished, card slot is used to install large sealing packing ring (5) and small sealing ring (7), piston
Bar (1) right-hand rod head rest end is machined with annular groove, casing and connecting hole is machined on the left of lock ingot pin (12), by locking ingot pin connection
Stopper rod (1) is connected by bolt (11) with lock ingot pin (12), and head center is threaded hole on the left of piston rod (1), passes through spiral shell
(16) connection installation site instruction disk (17) is followed closely, position detecting switch stent (20) is installed on by bolt on pivoted arm (14), position
It puts that lock ingot input position detecting switch (18) on the left of detection switch stent (20) is installed respectively and locks ingot and exits position detecting switch
(19), sleeve (13) is welded in the circular hole on pivoted arm (14), and lock ingot pin (12) is slidably matched with sleeve (13), ball valve lock ingot hole
(15) for the mechanical caging of valve standard-sized sheet and closed positions.
The operation principle of the utility model：
When unit, which is in closed positions, to be needed to put into lock ingot, ball valve machinery hydraulic pressure control system will lock ingot input chamber oil pipe
Lock ingot is exited chamber oil connection 10 and takes back oil by 4 cut-in pressure of connector oil, and pressure oil is injected into the left chamber of hydraulic operated valve, promotes and lives
Stopper rod 1 moves right to right end, and piston rod 1 will promote lock ingot pin 12 to complete lock ingot input into ball valve lock ingot hole 15 at this time
Action, while the position instruction disk 17 being connected with piston rod 1 will be moved into 18 top of lock ingot input position detecting switch, make it
Locking device input signal is sent to monitoring system.When needing to exit lock ingot before unit starting, ball valve mechanical-hydraulic control system
System will move out 10 cut-in pressure of chamber oil connection oil, lock ingot input chamber oil connection 4 be taken back oil, pressure oil is injected into hydraulic operated valve
Right chamber, piston rod 1 is promoted to be moved to the left to left end, piston rod 1 will promote lock ingot pin 12 to exit ball valve lock ingot hole at this time, complete
Action is exited into lock ingot, while the position instruction disk 17 being connected with piston rod 1 will be moved into lock ingot and exit position detecting switch
19 tops, make it send locking device to monitoring system and exit signal.
When needing to put into lock ingot in closed positions when unit maintenance, ball valve machinery hydraulic pressure control system will lock ingot input
Lock ingot is exited chamber oil connection 10 and takes back oil by 4 cut-in pressure of chamber oil connection oil, and pressure oil is injected into the left chamber of hydraulic operated valve,
Piston rod 1 is promoted to move right to right end, piston rod 1 will promote lock ingot pin 12 to complete lock into ball valve lock ingot hole 15 at this time
Ingot input acts, while the position instruction disk 17 being connected with piston rod 1 will be moved on lock ingot input position detecting switch 18
Side makes it send locking device input signal to monitoring system.When unit maintenance is completed to need to exit lock ingot, ball valve machinery liquid
Pressure control system will move out 10 cut-in pressure of chamber oil connection oil, and lock ingot input chamber oil connection 4 is taken back oil, pressure oil injection
To the right chamber of hydraulic operated valve, piston rod 1 is promoted to be moved to the left to left end, piston rod 1 will promote lock ingot pin 12 to exit ball valve at this time
Ingot hole is locked, lock ingot is completed and exits action, while the position instruction disk 17 being connected with piston rod 1 will be moved into lock ingot and exit position
19 top of detection switch, makes it send locking device to monitoring system and exits signal.
The advantages of the utility model：
1. the utility model design and installation on pivoted arm body, is filled different from the traditional locks ingot being installed on servomotor telescopic rod
It puts, advantage is pivoted arm body section product much larger than servomotor telescopic rod, therefore can bear sufficiently large shearing force, even if ball valve connects
Malfunction, which occurs, for power device will not cause pivoted arm body to deform, and servomotor radial seal will not be had an impact, and meet equipment use
Safety requirements.
2. doing circular arc rotation with pivoted arm body when locking device works, lock ingot hole site can pass through meter in the design phase
It calculates and is accurately positioned, can ensure that machining accuracy, this locking device has all been assembled in factory with ball valve body synchronous processing
Into, it not only ensure that construction precision, but also building-site workload is alleviated, it is advantageously ensured that the construction period.
Description of the drawings
Fig. 1 is the structure diagram of the utility model
Fig. 2 is the utility model operating position schematic diagram
Specific embodiment
As shown in Figure 1, a kind of ball valve position hydraulic pressure locking device being installed on pivoted arm, fastens including piston rod 1, end cap
Bolt 2, outer end cap 3, lock ingot input chamber oil connection 4, large sealing packing ring 5, cylinder body 6, small sealing ring 7, valve seat fastening bolt 8,
Inner end cap 9, lock ingot exit chamber oil connection 10, lock ingot pin connection bolt 11, lock ingot pin 12, sleeve 13, pivoted arm 14, ball valve lock ingot
Hole 15, screw 16, position instruction disk 17, lock ingot input position detecting switch 18, lock ingot exit position detecting switch 19, position inspection
Slowdown monitoring switch stent 20.
3 the first oil-through-hole 21 of inside processing of outer end cap, the first oil-through-hole 21 are threaded hole for pacifying close to upper surface
Dress lock ingot input chamber oil connection 4, to connect external control oil.
9 the second oil-through-hole 22 of inside processing of inner end cap, the second oil-through-hole 22 are threaded hole for pacifying close to upper surface
Dress lock ingot exits chamber oil connection 10, to connect external control oil.
Outer end cap 3, inner end cap 9 collectively constitute the valve body that surges by end cap fastening bolt 2 and cylinder body 6 and piston rod 1
Part, seal element machining card slot respectively on outer end cap 3, inner end cap 9 and piston rod 1, for installing large sealing packing ring 5 and small sealing ring
7, pressure oil is sealed.
1 right-hand rod head rest end of piston rod is machined with annular groove, and 12 left side of lock ingot pin is machined with casing and connecting hole, passes through lock
Stopper rod 1 is connected by ingot pin connection bolt 11 with lock ingot pin 12.
1 left side head center of piston rod is threaded hole, and connecting installation site by screw 16 indicates disk 17.
Position detecting switch stent 20 is installed on by bolt on pivoted arm 14, and 20 left side of position detecting switch stent is pacified respectively
Dress lock ingot input position detecting switch 18 and lock ingot exit position detecting switch 19.
Sleeve 13 is welded in the circular hole on pivoted arm 14, and lock ingot pin 12 can be free to slide in sleeve 13, ball valve lock ingot hole
15 are used for the mechanical caging of valve standard-sized sheet and closed positions.
As shown in Fig. 2, when ball valve servomotor is in most long elongation, it is living inside ball valve by the way that pivoted arm is driven to rotarily open
Door is allowed to be in maximum opening, and ball valve is shown in a fully open operation at this time, and locking device is located at the location A of diagram at this time.
As shown in Fig. 2, when ball valve servomotor is in minimum elongation amount, it is living inside pivoted arm rotary closing ball valve by driving
Door is allowed to be in full off state, and ball valve is in full off state at this time, and locking device is located at the B location of diagram at this time.
Ball valve lock ingot hole 15 at location A and B location is used for the mechanical caging of valve standard-sized sheet and closed positions.With B location
Illustrate to lock ingot input exemplified by closed positions and exit operation, when ball valve pivoted arm, which is rotated to B location, to be needed to put into lock ingot, ball valve
Machinery hydraulic pressure control system will lock 4 cut-in pressure oil of ingot input chamber oil connection, and lock ingot is exited chamber oil connection 10 and takes back oil,
Pressure oil is injected into the left chamber of hydraulic operated valve, and piston rod 1 is promoted to move right to right end, and piston rod 1, which will promote, at this time locks ingot pin
12, into ball valve lock ingot hole 15, complete the input action of lock ingot, while the position instruction disk 17 being connected with piston rod 1 will be moved into
18 top of ingot input position detecting switch is locked, it is made to send locking device input signal to monitoring system.When B location needs exit
When locking ingot, ball valve machinery hydraulic pressure control system will move out 10 cut-in pressure of chamber oil connection oil, by lock ingot input chamber oil connection 4
Oil is taken back, pressure oil is injected into the right chamber of hydraulic operated valve, and piston rod 1 is promoted to be moved to the left to left end, and piston rod 1 will promote at this time
Lock ingot pin 12 exits ball valve lock ingot hole, completes lock ingot and exits action, while the position instruction disk 17 being connected with piston rod 1 will move
It moves lock ingot and exits 19 top of position detecting switch, it is made to send locking device to monitoring system and exits signal.
The locking device input of location A and to exit operation similar with B location.
Claims (1)
1. a kind of ball valve position hydraulic pressure locking device being installed on pivoted arm, it is characterized in that：Processing first is logical inside outer end cap (3)
Oilhole (21), the first oil-through-hole (21) close to upper surface be threaded hole for install lock ingot put into chamber oil connection (4), it is interior
The second oil-through-hole of processing (22) inside end cap (9), the second oil-through-hole (22) close to upper surface be threaded hole for install lock
Ingot exits chamber oil connection (10), cylinder body (6) both ends difference fixed outer ends lid (3), inner end cap (9), outer end cap (3), inner end
(9) and the equipped fixation of end cap fastening bolt (2) are covered, piston rod (1) is located in cylinder body (6) and forms the valve body portion that surges,
On outer end cap (3), inner end cap (9) and piston rod (1) distinguish seal element machining card slot, card slot for install large sealing packing ring (5) and
Small sealing ring (7), piston rod (1) right-hand rod head rest end are machined with annular groove, casing and connection are machined on the left of lock ingot pin (12)
Stopper rod (1) is connected by hole by locking ingot pin connection bolt (11) with lock ingot pin (12), and head center adds on the left of piston rod (1)
Work has threaded hole, and connecting installation site by screw (16) indicates disk (17), and position detecting switch stent (20) is pacified by bolt
Loaded on pivoted arm (14), installation lock ingot puts into position detecting switch (18) and lock ingot respectively on the left of position detecting switch stent (20)
Position detecting switch (19) is exited, sleeve (13) is welded in the circular hole on pivoted arm (14), and lock ingot pin (12) is sliding with sleeve (13)
Dynamic cooperation, ball valve lock ingot hole (15) are used for the mechanical caging of valve standard-sized sheet and closed positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721512850.5U CN207406901U (en) | 2017-11-14 | 2017-11-14 | The ball valve position hydraulic pressure locking device being installed on pivoted arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721512850.5U CN207406901U (en) | 2017-11-14 | 2017-11-14 | The ball valve position hydraulic pressure locking device being installed on pivoted arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207406901U true CN207406901U (en) | 2018-05-25 |
Family
ID=62319060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721512850.5U Expired - Fee Related CN207406901U (en) | 2017-11-14 | 2017-11-14 | The ball valve position hydraulic pressure locking device being installed on pivoted arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207406901U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357071A (en) * | 2018-12-07 | 2019-02-19 | 天津国际机械有限公司 | A kind of ball valve locking mechanism controlled by pressure medium |
| CN111577923A (en) * | 2020-05-18 | 2020-08-25 | 邵立坤 | Gas anti-theft ball valve |
| CN112983729A (en) * | 2021-03-29 | 2021-06-18 | 中国长江电力股份有限公司 | Non-contact type locking state judgment device and use method |
-
2017
- 2017-11-14 CN CN201721512850.5U patent/CN207406901U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357071A (en) * | 2018-12-07 | 2019-02-19 | 天津国际机械有限公司 | A kind of ball valve locking mechanism controlled by pressure medium |
| CN111577923A (en) * | 2020-05-18 | 2020-08-25 | 邵立坤 | Gas anti-theft ball valve |
| CN112983729A (en) * | 2021-03-29 | 2021-06-18 | 中国长江电力股份有限公司 | Non-contact type locking state judgment device and use method |
| CN112983729B (en) * | 2021-03-29 | 2022-12-20 | 中国长江电力股份有限公司 | Non-contact type locking state judgment device and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180525 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |